src/HOL/Tools/Nitpick/nitpick.ML
author blanchet
Tue, 03 Aug 2010 15:15:17 +0200
changeset 38182 747f8077b09a
parent 38171 5f2ea92319e0
child 38188 7f12a03c513c
permissions -rw-r--r--
more helpful message
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
33982
1ae222745c4a fixed paths in Nitpick's ML file headers
blanchet
parents: 33955
diff changeset
     1
(*  Title:      HOL/Tools/Nitpick/nitpick.ML
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
     2
    Author:     Jasmin Blanchette, TU Muenchen
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
     3
    Copyright   2008, 2009, 2010
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
     4
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
     5
Finite model generation for HOL formulas using Kodkod.
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
     6
*)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
     7
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
     8
signature NITPICK =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
     9
sig
33705
947184dc75c9 removed a few global names in Nitpick (styp, nat_less, pairf)
blanchet
parents: 33580
diff changeset
    10
  type styp = Nitpick_Util.styp
35711
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35696
diff changeset
    11
  type term_postprocessor = Nitpick_Model.term_postprocessor
36390
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    12
  type params =
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    13
    {cards_assigns: (typ option * int list) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    14
     maxes_assigns: (styp option * int list) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    15
     iters_assigns: (styp option * int list) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    16
     bitss: int list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    17
     bisim_depths: int list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    18
     boxes: (typ option * bool option) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    19
     finitizes: (typ option * bool option) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    20
     monos: (typ option * bool option) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    21
     stds: (typ option * bool) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    22
     wfs: (styp option * bool option) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    23
     sat_solver: string,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    24
     blocking: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    25
     falsify: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    26
     debug: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    27
     verbose: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    28
     overlord: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    29
     user_axioms: bool option,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    30
     assms: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    31
     merge_type_vars: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    32
     binary_ints: bool option,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    33
     destroy_constrs: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    34
     specialize: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    35
     star_linear_preds: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    36
     fast_descrs: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    37
     peephole_optim: bool,
38124
6538e25cf5dd started implementation of custom sym break
blanchet
parents: 38123
diff changeset
    38
     datatype_sym_break: int,
6538e25cf5dd started implementation of custom sym break
blanchet
parents: 38123
diff changeset
    39
     kodkod_sym_break: int,
36390
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    40
     timeout: Time.time option,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    41
     tac_timeout: Time.time option,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    42
     max_threads: int,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    43
     show_datatypes: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    44
     show_consts: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    45
     evals: term list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    46
     formats: (term option * int list) list,
37260
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37257
diff changeset
    47
     atomss: (typ option * string list) list,
36390
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    48
     max_potential: int,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    49
     max_genuine: int,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    50
     check_potential: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    51
     check_genuine: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    52
     batch_size: int,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    53
     expect: string}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    54
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    55
  val register_frac_type : string -> (string * string) list -> theory -> theory
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    56
  val unregister_frac_type : string -> theory -> theory
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    57
  val register_codatatype : typ -> string -> styp list -> theory -> theory
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    58
  val unregister_codatatype : typ -> theory -> theory
35711
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35696
diff changeset
    59
  val register_term_postprocessor :
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35696
diff changeset
    60
    typ -> term_postprocessor -> theory -> theory
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35696
diff changeset
    61
  val unregister_term_postprocessor : typ -> theory -> theory
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    62
  val pick_nits_in_term :
35335
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
    63
    Proof.state -> params -> bool -> int -> int -> int -> (term * term) list
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
    64
    -> term list -> term -> string * Proof.state
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    65
  val pick_nits_in_subgoal :
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
    66
    Proof.state -> params -> bool -> int -> int -> string * Proof.state
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    67
end;
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    68
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    69
structure Nitpick : NITPICK =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    70
struct
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    71
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33192
diff changeset
    72
open Nitpick_Util
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33192
diff changeset
    73
open Nitpick_HOL
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
    74
open Nitpick_Preproc
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33192
diff changeset
    75
open Nitpick_Mono
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33192
diff changeset
    76
open Nitpick_Scope
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33192
diff changeset
    77
open Nitpick_Peephole
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33192
diff changeset
    78
open Nitpick_Rep
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33192
diff changeset
    79
open Nitpick_Nut
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33192
diff changeset
    80
open Nitpick_Kodkod
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33192
diff changeset
    81
open Nitpick_Model
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
    82
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
    83
structure KK = Kodkod
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
    84
36390
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    85
type params =
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    86
  {cards_assigns: (typ option * int list) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    87
   maxes_assigns: (styp option * int list) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    88
   iters_assigns: (styp option * int list) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    89
   bitss: int list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    90
   bisim_depths: int list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    91
   boxes: (typ option * bool option) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    92
   finitizes: (typ option * bool option) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    93
   monos: (typ option * bool option) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    94
   stds: (typ option * bool) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    95
   wfs: (styp option * bool option) list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    96
   sat_solver: string,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    97
   blocking: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    98
   falsify: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
    99
   debug: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   100
   verbose: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   101
   overlord: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   102
   user_axioms: bool option,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   103
   assms: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   104
   merge_type_vars: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   105
   binary_ints: bool option,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   106
   destroy_constrs: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   107
   specialize: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   108
   star_linear_preds: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   109
   fast_descrs: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   110
   peephole_optim: bool,
38124
6538e25cf5dd started implementation of custom sym break
blanchet
parents: 38123
diff changeset
   111
   datatype_sym_break: int,
6538e25cf5dd started implementation of custom sym break
blanchet
parents: 38123
diff changeset
   112
   kodkod_sym_break: int,
36390
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   113
   timeout: Time.time option,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   114
   tac_timeout: Time.time option,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   115
   max_threads: int,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   116
   show_datatypes: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   117
   show_consts: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   118
   evals: term list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   119
   formats: (term option * int list) list,
37260
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37257
diff changeset
   120
   atomss: (typ option * string list) list,
36390
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   121
   max_potential: int,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   122
   max_genuine: int,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   123
   check_potential: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   124
   check_genuine: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   125
   batch_size: int,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   126
   expect: string}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   127
36390
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   128
type problem_extension =
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   129
  {free_names: nut list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   130
   sel_names: nut list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   131
   nonsel_names: nut list,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   132
   rel_table: nut NameTable.table,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   133
   unsound: bool,
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   134
   scope: scope}
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   135
 
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   136
type rich_problem = KK.problem * problem_extension
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   137
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   138
fun pretties_for_formulas _ _ [] = []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   139
  | pretties_for_formulas ctxt s ts =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   140
    [Pretty.str (s ^ plural_s_for_list ts ^ ":"),
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   141
     Pretty.indent indent_size (Pretty.chunks
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   142
         (map2 (fn j => fn t =>
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 34039
diff changeset
   143
                   Pretty.block [t |> shorten_names_in_term
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   144
                                   |> Syntax.pretty_term ctxt,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   145
                                 Pretty.str (if j = 1 then "." else ";")])
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   146
               (length ts downto 1) ts))]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   147
35696
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   148
fun install_java_message () =
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   149
  "Nitpick requires a Java 1.5 virtual machine called \"java\"."
33568
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   150
fun install_kodkodi_message () =
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   151
  "Nitpick requires the external Java program Kodkodi. To install it, download \
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   152
  \the package from Isabelle's web page and add the \"kodkodi-x.y.z\" \
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   153
  \directory's full path to \"" ^
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   154
  Path.implode (Path.expand (Path.appends
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   155
      (Path.variable "ISABELLE_HOME_USER" ::
36266
28188e3650ee clarify error message
blanchet
parents: 36128
diff changeset
   156
       map Path.basic ["etc", "components"]))) ^ "\" on a line of its own."
33568
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   157
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   158
val max_unsound_delay_ms = 200
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   159
val max_unsound_delay_percent = 2
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   160
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   161
fun unsound_delay_for_timeout NONE = max_unsound_delay_ms
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   162
  | unsound_delay_for_timeout (SOME timeout) =
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   163
    Int.max (0, Int.min (max_unsound_delay_ms,
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   164
                         Time.toMilliseconds timeout
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   165
                         * max_unsound_delay_percent div 100))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   166
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   167
fun passed_deadline NONE = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   168
  | passed_deadline (SOME time) = Time.compare (Time.now (), time) <> LESS
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   169
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   170
fun none_true assigns = forall (not_equal (SOME true) o snd) assigns
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   171
34038
a2736debeabd make Nitpick output the message "Hint: Maybe you forgot a type constraint?" only for syntactic classes
blanchet
parents: 33982
diff changeset
   172
val syntactic_sorts =
a2736debeabd make Nitpick output the message "Hint: Maybe you forgot a type constraint?" only for syntactic classes
blanchet
parents: 33982
diff changeset
   173
  @{sort "{default,zero,one,plus,minus,uminus,times,inverse,abs,sgn,ord,eq}"} @
a2736debeabd make Nitpick output the message "Hint: Maybe you forgot a type constraint?" only for syntactic classes
blanchet
parents: 33982
diff changeset
   174
  @{sort number}
a2736debeabd make Nitpick output the message "Hint: Maybe you forgot a type constraint?" only for syntactic classes
blanchet
parents: 33982
diff changeset
   175
fun has_tfree_syntactic_sort (TFree (_, S as _ :: _)) =
a2736debeabd make Nitpick output the message "Hint: Maybe you forgot a type constraint?" only for syntactic classes
blanchet
parents: 33982
diff changeset
   176
    subset (op =) (S, syntactic_sorts)
a2736debeabd make Nitpick output the message "Hint: Maybe you forgot a type constraint?" only for syntactic classes
blanchet
parents: 33982
diff changeset
   177
  | has_tfree_syntactic_sort _ = false
a2736debeabd make Nitpick output the message "Hint: Maybe you forgot a type constraint?" only for syntactic classes
blanchet
parents: 33982
diff changeset
   178
val has_syntactic_sorts = exists_type (exists_subtype has_tfree_syntactic_sort)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   179
33568
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   180
fun plazy f = Pretty.blk (0, pstrs (f ()))
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   181
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   182
fun pick_them_nits_in_term deadline state (params : params) auto i n step
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   183
                           subst assm_ts orig_t =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   184
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   185
    val timer = Timer.startRealTimer ()
34935
cb011ba38950 removed the Nitpick code that loaded the "Nitpick" theory explicitly if it's not already loaded, because this didn't work properly and is of doubtful value
blanchet
parents: 34126
diff changeset
   186
    val thy = Proof.theory_of state
cb011ba38950 removed the Nitpick code that loaded the "Nitpick" theory explicitly if it's not already loaded, because this didn't work properly and is of doubtful value
blanchet
parents: 34126
diff changeset
   187
    val ctxt = Proof.context_of state
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   188
(* FIXME: reintroduce code before new release:
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   189
37216
3165bc303f66 modernized some structure names, keeping a few legacy aliases;
wenzelm
parents: 37213
diff changeset
   190
    val nitpick_thy = Thy_Info.get_theory "Nitpick"
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   191
    val _ = Theory.subthy (nitpick_thy, thy) orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   192
            error "You must import the theory \"Nitpick\" to use Nitpick"
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   193
*)
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   194
    val {cards_assigns, maxes_assigns, iters_assigns, bitss, bisim_depths,
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   195
         boxes, finitizes, monos, stds, wfs, sat_solver, falsify, debug,
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   196
         verbose, overlord, user_axioms, assms, merge_type_vars, binary_ints,
36389
8228b3a4a2ba remove "skolemize" option from Nitpick, since Skolemization is always useful
blanchet
parents: 36388
diff changeset
   197
         destroy_constrs, specialize, star_linear_preds, fast_descrs,
38124
6538e25cf5dd started implementation of custom sym break
blanchet
parents: 38123
diff changeset
   198
         peephole_optim, datatype_sym_break, kodkod_sym_break, tac_timeout,
6538e25cf5dd started implementation of custom sym break
blanchet
parents: 38123
diff changeset
   199
         max_threads, show_datatypes, show_consts, evals, formats, atomss,
6538e25cf5dd started implementation of custom sym break
blanchet
parents: 38123
diff changeset
   200
         max_potential, max_genuine, check_potential, check_genuine, batch_size,
6538e25cf5dd started implementation of custom sym break
blanchet
parents: 38123
diff changeset
   201
         ...} = params
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   202
    val state_ref = Unsynchronized.ref state
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   203
    val pprint =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   204
      if auto then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   205
        Unsynchronized.change state_ref o Proof.goal_message o K
33561
ab01b72715ef introduced Auto Nitpick in addition to Auto Quickcheck;
blanchet
parents: 33558
diff changeset
   206
        o Pretty.chunks o cons (Pretty.str "") o single
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   207
        o Pretty.mark Markup.hilite
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   208
      else
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   209
        (fn s => (priority s; if debug then tracing s else ()))
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   210
        o Pretty.string_of
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   211
    fun pprint_m f = () |> not auto ? pprint o f
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   212
    fun pprint_v f = () |> verbose ? pprint o f
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   213
    fun pprint_d f = () |> debug ? pprint o f
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   214
    val print = pprint o curry Pretty.blk 0 o pstrs
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   215
    val print_g = pprint o Pretty.str
33568
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   216
    val print_m = pprint_m o K o plazy
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   217
    val print_v = pprint_v o K o plazy
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   218
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   219
    fun check_deadline () =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   220
      if debug andalso passed_deadline deadline then raise TimeLimit.TimeOut
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   221
      else ()
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   222
    fun do_interrupted () =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   223
      if passed_deadline deadline then raise TimeLimit.TimeOut
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   224
      else raise Interrupt
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   225
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   226
    val assm_ts = if assms orelse auto then assm_ts else []
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   227
    val _ =
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   228
      if step = 0 then
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   229
        print_m (fn () => "Nitpicking formula...")
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   230
      else
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   231
        pprint_m (fn () => Pretty.chunks (
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   232
            pretties_for_formulas ctxt ("Nitpicking " ^
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   233
                (if i <> 1 orelse n <> 1 then
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   234
                   "subgoal " ^ string_of_int i ^ " of " ^ string_of_int n
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   235
                 else
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   236
                   "goal")) [Logic.list_implies (assm_ts, orig_t)]))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   237
    val neg_t = if falsify then Logic.mk_implies (orig_t, @{prop False})
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   238
                else orig_t
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   239
    val tfree_table =
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   240
      if merge_type_vars then
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   241
        merged_type_var_table_for_terms (neg_t :: assm_ts @ evals)
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   242
      else
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   243
        []
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   244
    val neg_t = merge_type_vars_in_term merge_type_vars tfree_table neg_t
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   245
    val assm_ts = map (merge_type_vars_in_term merge_type_vars tfree_table)
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   246
                      assm_ts
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   247
    val evals = map (merge_type_vars_in_term merge_type_vars tfree_table) evals
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   248
    val original_max_potential = max_potential
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   249
    val original_max_genuine = max_genuine
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   250
    val max_bisim_depth = fold Integer.max bisim_depths ~1
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   251
    val case_names = case_const_names thy stds
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37213
diff changeset
   252
    val (defs, built_in_nondefs, user_nondefs) = all_axioms_of ctxt subst
35335
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
   253
    val def_table = const_def_table ctxt subst defs
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   254
    val nondef_table = const_nondef_table (built_in_nondefs @ user_nondefs)
35335
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
   255
    val simp_table = Unsynchronized.ref (const_simp_table ctxt subst)
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
   256
    val psimp_table = const_psimp_table ctxt subst
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35711
diff changeset
   257
    val choice_spec_table = const_choice_spec_table ctxt subst
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35711
diff changeset
   258
    val user_nondefs =
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35711
diff changeset
   259
      user_nondefs |> filter_out (is_choice_spec_axiom thy choice_spec_table)
35335
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
   260
    val intro_table = inductive_intro_table ctxt subst def_table
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   261
    val ground_thm_table = ground_theorem_table thy
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   262
    val ersatz_table = ersatz_table thy
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   263
    val (hol_ctxt as {wf_cache, ...}) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   264
      {thy = thy, ctxt = ctxt, max_bisim_depth = max_bisim_depth, boxes = boxes,
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   265
       stds = stds, wfs = wfs, user_axioms = user_axioms, debug = debug,
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   266
       binary_ints = binary_ints, destroy_constrs = destroy_constrs,
36389
8228b3a4a2ba remove "skolemize" option from Nitpick, since Skolemization is always useful
blanchet
parents: 36388
diff changeset
   267
       specialize = specialize, star_linear_preds = star_linear_preds,
8228b3a4a2ba remove "skolemize" option from Nitpick, since Skolemization is always useful
blanchet
parents: 36388
diff changeset
   268
       fast_descrs = fast_descrs, tac_timeout = tac_timeout, evals = evals,
8228b3a4a2ba remove "skolemize" option from Nitpick, since Skolemization is always useful
blanchet
parents: 36388
diff changeset
   269
       case_names = case_names, def_table = def_table,
8228b3a4a2ba remove "skolemize" option from Nitpick, since Skolemization is always useful
blanchet
parents: 36388
diff changeset
   270
       nondef_table = nondef_table, user_nondefs = user_nondefs,
8228b3a4a2ba remove "skolemize" option from Nitpick, since Skolemization is always useful
blanchet
parents: 36388
diff changeset
   271
       simp_table = simp_table, psimp_table = psimp_table,
8228b3a4a2ba remove "skolemize" option from Nitpick, since Skolemization is always useful
blanchet
parents: 36388
diff changeset
   272
       choice_spec_table = choice_spec_table, intro_table = intro_table,
8228b3a4a2ba remove "skolemize" option from Nitpick, since Skolemization is always useful
blanchet
parents: 36388
diff changeset
   273
       ground_thm_table = ground_thm_table, ersatz_table = ersatz_table,
8228b3a4a2ba remove "skolemize" option from Nitpick, since Skolemization is always useful
blanchet
parents: 36388
diff changeset
   274
       skolems = Unsynchronized.ref [], special_funs = Unsynchronized.ref [],
33580
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33568
diff changeset
   275
       unrolled_preds = Unsynchronized.ref [], wf_cache = Unsynchronized.ref [],
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33568
diff changeset
   276
       constr_cache = Unsynchronized.ref []}
38170
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   277
    val pseudo_frees = fold Term.add_frees assm_ts []
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   278
    val real_frees = subtract (op =) pseudo_frees (Term.add_frees neg_t [])
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   279
    val _ = null (fold Term.add_tvars (neg_t :: assm_ts) []) orelse
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   280
            raise NOT_SUPPORTED "schematic type variables"
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   281
    val (nondef_ts, def_ts, got_all_mono_user_axioms, no_poly_user_axioms,
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   282
         binarize) = preprocess_formulas hol_ctxt finitizes monos assm_ts neg_t
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   283
    val got_all_user_axioms =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   284
      got_all_mono_user_axioms andalso no_poly_user_axioms
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   285
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   286
    fun print_wf (x, (gfp, wf)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   287
      pprint (Pretty.blk (0,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   288
          pstrs ("The " ^ (if gfp then "co" else "") ^ "inductive predicate \"")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   289
          @ Syntax.pretty_term ctxt (Const x) ::
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   290
          pstrs (if wf then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   291
                   "\" was proved well-founded. Nitpick can compute it \
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   292
                   \efficiently."
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   293
                 else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   294
                   "\" could not be proved well-founded. Nitpick might need to \
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   295
                   \unroll it.")))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   296
    val _ = if verbose then List.app print_wf (!wf_cache) else ()
38171
5f2ea92319e0 fix soundness bug w.r.t. "Suc" with "binary_ints"
blanchet
parents: 38170
diff changeset
   297
    val das_wort_formula = if falsify then "Negated conjecture" else "Formula"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   298
    val _ =
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   299
      pprint_d (fn () => Pretty.chunks
38171
5f2ea92319e0 fix soundness bug w.r.t. "Suc" with "binary_ints"
blanchet
parents: 38170
diff changeset
   300
          (pretties_for_formulas ctxt das_wort_formula [hd nondef_ts] @
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   301
           pretties_for_formulas ctxt "Relevant definitional axiom" def_ts @
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   302
           pretties_for_formulas ctxt "Relevant nondefinitional axiom"
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   303
                                 (tl nondef_ts)))
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   304
    val _ = List.app (ignore o Term.type_of) (nondef_ts @ def_ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   305
            handle TYPE (_, Ts, ts) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   306
                   raise TYPE ("Nitpick.pick_them_nits_in_term", Ts, ts)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   307
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   308
    val nondef_us = map (nut_from_term hol_ctxt Eq) nondef_ts
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   309
    val def_us = map (nut_from_term hol_ctxt DefEq) def_ts
33558
a2db56854b83 optimized Nitpick's encoding and rendering of datatypes whose constructors don't appear in the problem
blanchet
parents: 33556
diff changeset
   310
    val (free_names, const_names) =
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   311
      fold add_free_and_const_names (nondef_us @ def_us) ([], [])
33558
a2db56854b83 optimized Nitpick's encoding and rendering of datatypes whose constructors don't appear in the problem
blanchet
parents: 33556
diff changeset
   312
    val (sel_names, nonsel_names) =
a2db56854b83 optimized Nitpick's encoding and rendering of datatypes whose constructors don't appear in the problem
blanchet
parents: 33556
diff changeset
   313
      List.partition (is_sel o nickname_of) const_names
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   314
    val sound_finitizes =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   315
      none_true (filter_out (fn (SOME (Type (@{type_name fun}, _)), _) => true
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   316
                          | _ => false) finitizes)
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   317
    val standard = forall snd stds
33558
a2db56854b83 optimized Nitpick's encoding and rendering of datatypes whose constructors don't appear in the problem
blanchet
parents: 33556
diff changeset
   318
(*
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   319
    val _ = List.app (print_g o string_for_nut ctxt) (nondef_us @ def_us)
33558
a2db56854b83 optimized Nitpick's encoding and rendering of datatypes whose constructors don't appear in the problem
blanchet
parents: 33556
diff changeset
   320
*)
a2db56854b83 optimized Nitpick's encoding and rendering of datatypes whose constructors don't appear in the problem
blanchet
parents: 33556
diff changeset
   321
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 34039
diff changeset
   322
    val unique_scope = forall (curry (op =) 1 o length o snd) cards_assigns
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   323
    fun monotonicity_message Ts extra =
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   324
      let val ss = map (quote o string_for_type ctxt) Ts in
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   325
        "The type" ^ plural_s_for_list ss ^ " " ^
36380
1e8fcaccb3e8 stop referring to Sledgehammer_Util stuff all over Nitpick code; instead, redeclare any needed function in Nitpick_Util as synonym for the Sledgehammer_Util function of the same name
blanchet
parents: 36266
diff changeset
   326
        space_implode " " (serial_commas "and" ss) ^ " " ^
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   327
        (if none_true monos then
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   328
           "passed the monotonicity test"
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   329
         else
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   330
           (if length ss = 1 then "is" else "are") ^ " considered monotonic") ^
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   331
        ". " ^ extra
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   332
      end
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   333
    fun is_type_fundamentally_monotonic T =
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37213
diff changeset
   334
      (is_datatype ctxt stds T andalso not (is_quot_type thy T) andalso
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37213
diff changeset
   335
       (not (is_pure_typedef ctxt T) orelse is_univ_typedef ctxt T)) orelse
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   336
      is_number_type thy T orelse is_bit_type T
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   337
    fun is_type_actually_monotonic T =
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   338
      formulas_monotonic hol_ctxt binarize T (nondef_ts, def_ts)
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   339
    fun is_type_kind_of_monotonic T =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   340
      case triple_lookup (type_match thy) monos T of
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   341
        SOME (SOME false) => false
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   342
      | _ => is_type_actually_monotonic T
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   343
    fun is_type_monotonic T =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   344
      unique_scope orelse
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   345
      case triple_lookup (type_match thy) monos T of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   346
        SOME (SOME b) => b
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   347
      | _ => is_type_fundamentally_monotonic T orelse
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   348
             is_type_actually_monotonic T
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   349
    fun is_shallow_datatype_finitizable (T as Type (@{type_name fin_fun}, _)) =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   350
        is_type_kind_of_monotonic T
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   351
      | is_shallow_datatype_finitizable (T as Type (@{type_name fun_box}, _)) =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   352
        is_type_kind_of_monotonic T
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   353
      | is_shallow_datatype_finitizable T =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   354
        case triple_lookup (type_match thy) finitizes T of
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   355
          SOME (SOME b) => b
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   356
        | _ => is_type_kind_of_monotonic T
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   357
    fun is_datatype_deep T =
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   358
      not standard orelse T = nat_T orelse is_word_type T orelse
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   359
      exists (curry (op =) T o domain_type o type_of) sel_names
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   360
    val all_Ts = ground_types_in_terms hol_ctxt binarize (nondef_ts @ def_ts)
35408
b48ab741683b modernized structure Term_Ord;
wenzelm
parents: 35386
diff changeset
   361
                 |> sort Term_Ord.typ_ord
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   362
    val _ = if verbose andalso binary_ints = SOME true andalso
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   363
               exists (member (op =) [nat_T, int_T]) all_Ts then
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   364
              print_v (K "The option \"binary_ints\" will be ignored because \
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   365
                         \of the presence of rationals, reals, \"Suc\", \
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   366
                         \\"gcd\", or \"lcm\" in the problem or because of the \
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   367
                         \\"non_std\" option.")
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   368
            else
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   369
              ()
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   370
    val (mono_Ts, nonmono_Ts) = List.partition is_type_monotonic all_Ts
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   371
    val _ =
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   372
      if verbose andalso not unique_scope then
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   373
        case filter_out is_type_fundamentally_monotonic mono_Ts of
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   374
          [] => ()
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   375
        | interesting_mono_Ts =>
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   376
          print_v (K (monotonicity_message interesting_mono_Ts
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   377
                         "Nitpick might be able to skip some scopes."))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   378
      else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   379
        ()
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   380
    val (deep_dataTs, shallow_dataTs) =
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37213
diff changeset
   381
      all_Ts |> filter (is_datatype ctxt stds)
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37213
diff changeset
   382
             |> List.partition is_datatype_deep
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   383
    val finitizable_dataTs =
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   384
      shallow_dataTs |> filter_out (is_finite_type hol_ctxt)
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   385
                     |> filter is_shallow_datatype_finitizable
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   386
    val _ =
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   387
      if verbose andalso not (null finitizable_dataTs) then
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   388
        print_v (K (monotonicity_message finitizable_dataTs
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   389
                        "Nitpick can use a more precise finite encoding."))
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   390
      else
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   391
        ()
35183
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   392
    (* This detection code is an ugly hack. Fortunately, it is used only to
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   393
       provide a hint to the user. *)
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   394
    fun is_struct_induct_step (name, (Rule_Cases.Case {fixes, assumes, ...}, _)) =
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   395
      not (null fixes) andalso
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   396
      exists (String.isSuffix ".hyps" o fst) assumes andalso
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   397
      exists (exists (curry (op =) name o shortest_name o fst)
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   398
              o datatype_constrs hol_ctxt) deep_dataTs
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   399
    val likely_in_struct_induct_step =
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   400
      exists is_struct_induct_step (ProofContext.cases_of ctxt)
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   401
    val _ = if standard andalso likely_in_struct_induct_step then
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   402
              pprint_m (fn () => Pretty.blk (0,
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   403
                  pstrs "Hint: To check that the induction hypothesis is \
35177
168041f24f80 various cosmetic changes to Nitpick
blanchet
parents: 35075
diff changeset
   404
                        \general enough, try this command: " @
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   405
                  [Pretty.mark Markup.sendback (Pretty.blk (0,
35183
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   406
                       pstrs ("nitpick [non_std, show_all]")))] @ pstrs "."))
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   407
            else
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   408
              ()
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   409
(*
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   410
    val _ = print_g "Monotonic types:"
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   411
    val _ = List.app (print_g o string_for_type ctxt) mono_Ts
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   412
    val _ = print_g "Nonmonotonic types:"
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   413
    val _ = List.app (print_g o string_for_type ctxt) nonmono_Ts
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   414
*)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   415
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   416
    val incremental = Int.max (max_potential, max_genuine) >= 2
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   417
    val actual_sat_solver =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   418
      if sat_solver <> "smart" then
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   419
        if incremental andalso
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   420
           not (member (op =) (Kodkod_SAT.configured_sat_solvers true)
35333
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   421
                       sat_solver) then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   422
          (print_m (K ("An incremental SAT solver is required: \"SAT4J\" will \
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   423
                       \be used instead of " ^ quote sat_solver ^ "."));
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   424
           "SAT4J")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   425
        else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   426
          sat_solver
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   427
      else
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   428
        Kodkod_SAT.smart_sat_solver_name incremental
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   429
    val _ =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   430
      if sat_solver = "smart" then
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   431
        print_v (fn () =>
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   432
            "Using SAT solver " ^ quote actual_sat_solver ^ ". The following" ^
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   433
            (if incremental then " incremental " else " ") ^
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   434
            "solvers are configured: " ^
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   435
            commas_quote (Kodkod_SAT.configured_sat_solvers incremental) ^ ".")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   436
      else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   437
        ()
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   438
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   439
    val too_big_scopes = Unsynchronized.ref []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   440
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   441
    fun problem_for_scope unsound
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   442
            (scope as {card_assigns, bits, bisim_depth, datatypes, ofs, ...}) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   443
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   444
        val _ = not (exists (fn other => scope_less_eq other scope)
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   445
                            (!too_big_scopes)) orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   446
                raise TOO_LARGE ("Nitpick.pick_them_nits_in_term.\
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   447
                                 \problem_for_scope", "too large scope")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   448
(*
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   449
        val _ = print_g "Offsets:"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   450
        val _ = List.app (fn (T, j0) =>
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   451
                             print_g (string_for_type ctxt T ^ " = " ^
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   452
                                    string_of_int j0))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   453
                         (Typtab.dest ofs)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   454
*)
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   455
        val all_exact = forall (is_exact_type datatypes true) all_Ts
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   456
        val main_j0 = offset_of_type ofs bool_T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   457
        val (nat_card, nat_j0) = spec_of_type scope nat_T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   458
        val (int_card, int_j0) = spec_of_type scope int_T
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   459
        val _ = (nat_j0 = main_j0 andalso int_j0 = main_j0) orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   460
                raise BAD ("Nitpick.pick_them_nits_in_term.problem_for_scope",
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   461
                           "bad offsets")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   462
        val kk = kodkod_constrs peephole_optim nat_card int_card main_j0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   463
        val (free_names, rep_table) =
38170
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   464
          choose_reps_for_free_vars scope pseudo_frees free_names
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   465
                                    NameTable.empty
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   466
        val (sel_names, rep_table) = choose_reps_for_all_sels scope rep_table
38170
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   467
        val (nonsel_names, rep_table) =
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   468
          choose_reps_for_consts scope all_exact nonsel_names rep_table
38182
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   469
        val (guiltiest_party, min_highest_arity) =
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   470
          NameTable.fold (fn (name, R) => fn (s, n) =>
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   471
                             let val n' = arity_of_rep R in
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   472
                               if n' > n then (nickname_of name, n') else (s, n)
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   473
                             end) rep_table ("", 1)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   474
        val min_univ_card =
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   475
          NameTable.fold (Integer.max o min_univ_card_of_rep o snd) rep_table
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   476
                         (univ_card nat_card int_card main_j0 [] KK.True)
38182
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   477
        val _ = check_arity guiltiest_party min_univ_card min_highest_arity
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   478
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   479
        val def_us = map (choose_reps_in_nut scope unsound rep_table true)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   480
                         def_us
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   481
        val nondef_us = map (choose_reps_in_nut scope unsound rep_table false)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   482
                            nondef_us
33745
daf236998f82 comment out debugging code in Nitpick
blanchet
parents: 33744
diff changeset
   483
(*
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   484
        val _ = List.app (print_g o string_for_nut ctxt)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   485
                         (free_names @ sel_names @ nonsel_names @
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   486
                          nondef_us @ def_us)
33745
daf236998f82 comment out debugging code in Nitpick
blanchet
parents: 33744
diff changeset
   487
*)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   488
        val (free_rels, pool, rel_table) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   489
          rename_free_vars free_names initial_pool NameTable.empty
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   490
        val (sel_rels, pool, rel_table) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   491
          rename_free_vars sel_names pool rel_table
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   492
        val (other_rels, pool, rel_table) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   493
          rename_free_vars nonsel_names pool rel_table
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   494
        val nondef_us = map (rename_vars_in_nut pool rel_table) nondef_us
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   495
        val def_us = map (rename_vars_in_nut pool rel_table) def_us
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   496
        val nondef_fs = map (kodkod_formula_from_nut ofs kk) nondef_us
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   497
        val def_fs = map (kodkod_formula_from_nut ofs kk) def_us
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   498
        val formula = fold (fold s_and) [def_fs, nondef_fs] KK.True
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   499
        val comment = (if unsound then "unsound" else "sound") ^ "\n" ^
37146
f652333bbf8e renamed structure PrintMode to Print_Mode, keeping the old name as legacy alias for some time;
wenzelm
parents: 36913
diff changeset
   500
                      Print_Mode.setmp [] multiline_string_for_scope scope
34998
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
   501
        val kodkod_sat_solver =
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   502
          Kodkod_SAT.sat_solver_spec actual_sat_solver |> snd
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   503
        val bit_width = if bits = 0 then 16 else bits + 1
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   504
        val delay =
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   505
          if unsound then
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   506
            Option.map (fn time => Time.- (time, Time.now ())) deadline
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   507
            |> unsound_delay_for_timeout
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   508
          else
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   509
            0
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   510
        val settings = [("solver", commas_quote kodkod_sat_solver),
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   511
                        ("bit_width", string_of_int bit_width),
38124
6538e25cf5dd started implementation of custom sym break
blanchet
parents: 38123
diff changeset
   512
                        ("symmetry_breaking", string_of_int kodkod_sym_break),
36386
2132f15b366f Fruhjahrsputz: remove three mostly useless Nitpick options
blanchet
parents: 36385
diff changeset
   513
                        ("sharing", "3"),
2132f15b366f Fruhjahrsputz: remove three mostly useless Nitpick options
blanchet
parents: 36385
diff changeset
   514
                        ("flatten", "false"),
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   515
                        ("delay", signed_string_of_int delay)]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   516
        val plain_rels = free_rels @ other_rels
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   517
        val plain_bounds = map (bound_for_plain_rel ctxt debug) plain_rels
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   518
        val plain_axioms = map (declarative_axiom_for_plain_rel kk) plain_rels
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   519
        val sel_bounds = map (bound_for_sel_rel ctxt debug datatypes) sel_rels
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35185
diff changeset
   520
        val dtype_axioms =
38126
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   521
          declarative_axioms_for_datatypes hol_ctxt binarize datatype_sym_break
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   522
                                           bits ofs kk rel_table datatypes
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   523
        val declarative_axioms = plain_axioms @ dtype_axioms
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   524
        val univ_card = Int.max (univ_card nat_card int_card main_j0
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   525
                                     (plain_bounds @ sel_bounds) formula,
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   526
                                 main_j0 |> bits > 0 ? Integer.add (bits + 1))
38126
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   527
        val (built_in_bounds, built_in_axioms) =
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   528
          bounds_and_axioms_for_built_in_rels_in_formulas debug ofs
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   529
              univ_card nat_card int_card main_j0
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   530
              (formula :: declarative_axioms)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   531
        val bounds = built_in_bounds @ plain_bounds @ sel_bounds
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   532
                     |> not debug ? merge_bounds
38126
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   533
        val axioms = built_in_axioms @ declarative_axioms
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   534
        val highest_arity =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   535
          fold Integer.max (map (fst o fst) (maps fst bounds)) 0
38126
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   536
        val formula = fold_rev s_and axioms formula
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   537
        val _ = if bits = 0 then () else check_bits bits formula
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   538
        val _ = if formula = KK.False then ()
38182
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   539
                else check_arity "" univ_card highest_arity
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   540
      in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   541
        SOME ({comment = comment, settings = settings, univ_card = univ_card,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   542
               tuple_assigns = [], bounds = bounds,
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   543
               int_bounds = if bits = 0 then sequential_int_bounds univ_card
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   544
                            else pow_of_two_int_bounds bits main_j0,
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   545
               expr_assigns = [], formula = formula},
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   546
              {free_names = free_names, sel_names = sel_names,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   547
               nonsel_names = nonsel_names, rel_table = rel_table,
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   548
               unsound = unsound, scope = scope})
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   549
      end
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   550
      handle TOO_LARGE (loc, msg) =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   551
             if loc = "Nitpick_Kodkod.check_arity" andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   552
                not (Typtab.is_empty ofs) then
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   553
               problem_for_scope unsound
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35185
diff changeset
   554
                   {hol_ctxt = hol_ctxt, binarize = binarize,
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35185
diff changeset
   555
                    card_assigns = card_assigns, bits = bits,
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35185
diff changeset
   556
                    bisim_depth = bisim_depth, datatypes = datatypes,
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35185
diff changeset
   557
                    ofs = Typtab.empty}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   558
             else if loc = "Nitpick.pick_them_nits_in_term.\
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   559
                           \problem_for_scope" then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   560
               NONE
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   561
             else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   562
               (Unsynchronized.change too_big_scopes (cons scope);
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   563
                print_v (fn () => ("Limit reached: " ^ msg ^
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   564
                                   ". Skipping " ^ (if unsound then "potential"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   565
                                                    else "genuine") ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   566
                                   " component of scope."));
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   567
                NONE)
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   568
           | TOO_SMALL (_, msg) =>
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   569
             (print_v (fn () => ("Limit reached: " ^ msg ^
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   570
                                 ". Skipping " ^ (if unsound then "potential"
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   571
                                                  else "genuine") ^
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   572
                                 " component of scope."));
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   573
              NONE)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   574
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   575
    val das_wort_model =
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   576
      (if falsify then "counterexample" else "model")
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   577
      |> not standard ? prefix "nonstandard "
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   578
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   579
    val scopes = Unsynchronized.ref []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   580
    val generated_scopes = Unsynchronized.ref []
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   581
    val generated_problems = Unsynchronized.ref ([] : rich_problem list)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   582
    val checked_problems = Unsynchronized.ref (SOME [])
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   583
    val met_potential = Unsynchronized.ref 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   584
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   585
    fun update_checked_problems problems =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   586
      List.app (Unsynchronized.change checked_problems o Option.map o cons
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   587
                o nth problems)
35333
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   588
    fun show_kodkod_warning "" = ()
35334
b83b9f2a4b92 show Kodkod warning message even in non-verbose mode
blanchet
parents: 35333
diff changeset
   589
      | show_kodkod_warning s = print_m (fn () => "Kodkod warning: " ^ s ^ ".")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   590
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   591
    fun print_and_check_model genuine bounds
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   592
            ({free_names, sel_names, nonsel_names, rel_table, scope, ...}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   593
             : problem_extension) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   594
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   595
        val (reconstructed_model, codatatypes_ok) =
36390
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   596
          reconstruct_hol_model {show_datatypes = show_datatypes,
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   597
                                 show_consts = show_consts}
38170
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   598
              scope formats atomss real_frees pseudo_frees free_names sel_names
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   599
              nonsel_names rel_table bounds
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   600
        val genuine_means_genuine =
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   601
          got_all_user_axioms andalso none_true wfs andalso
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   602
          sound_finitizes andalso codatatypes_ok
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   603
        fun assms_prop () = Logic.mk_conjunction_list (neg_t :: assm_ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   604
      in
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   605
        (pprint (Pretty.chunks
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   606
             [Pretty.blk (0,
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   607
                  (pstrs ("Nitpick found a" ^
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   608
                          (if not genuine then " potential "
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   609
                           else if genuine_means_genuine then " "
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   610
                           else " quasi genuine ") ^ das_wort_model) @
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   611
                   (case pretties_for_scope scope verbose of
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   612
                      [] => []
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   613
                    | pretties => pstrs " for " @ pretties) @
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   614
                   [Pretty.str ":\n"])),
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   615
              Pretty.indent indent_size reconstructed_model]);
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   616
         if genuine then
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   617
           (if check_genuine andalso standard then
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   618
              case prove_hol_model scope tac_timeout free_names sel_names
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   619
                                   rel_table bounds (assms_prop ()) of
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   620
                SOME true =>
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   621
                print ("Confirmation by \"auto\": The above " ^
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   622
                       das_wort_model ^ " is really genuine.")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   623
              | SOME false =>
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   624
                if genuine_means_genuine then
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   625
                  error ("A supposedly genuine " ^ das_wort_model ^ " was \
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   626
                         \shown to be spurious by \"auto\".\nThis should never \
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   627
                         \happen.\nPlease send a bug report to blanchet\
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   628
                         \te@in.tum.de.")
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   629
                 else
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   630
                   print ("Refutation by \"auto\": The above " ^
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   631
                          das_wort_model ^ " is spurious.")
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   632
               | NONE => print "No confirmation by \"auto\"."
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   633
            else
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   634
              ();
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   635
            if not standard andalso likely_in_struct_induct_step then
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   636
              print "The existence of a nonstandard model suggests that the \
36126
00d550b6cfd4 cosmetics
blanchet
parents: 35968
diff changeset
   637
                    \induction hypothesis is not general enough or may even be \
00d550b6cfd4 cosmetics
blanchet
parents: 35968
diff changeset
   638
                    \wrong. See the Nitpick manual's \"Inductive Properties\" \
00d550b6cfd4 cosmetics
blanchet
parents: 35968
diff changeset
   639
                    \section for details (\"isabelle doc nitpick\")."
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   640
            else
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   641
              ();
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   642
            if has_syntactic_sorts orig_t then
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   643
              print "Hint: Maybe you forgot a type constraint?"
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   644
            else
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   645
              ();
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   646
            if not genuine_means_genuine then
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   647
              if no_poly_user_axioms then
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   648
                let
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   649
                  val options =
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   650
                    [] |> not got_all_mono_user_axioms
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   651
                          ? cons ("user_axioms", "\"true\"")
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   652
                       |> not (none_true wfs)
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   653
                          ? cons ("wf", "\"smart\" or \"false\"")
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   654
                       |> not sound_finitizes
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   655
                          ? cons ("finitize", "\"smart\" or \"false\"")
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   656
                       |> not codatatypes_ok
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   657
                          ? cons ("bisim_depth", "a nonnegative value")
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   658
                  val ss =
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   659
                    map (fn (name, value) => quote name ^ " set to " ^ value)
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   660
                        options
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   661
                in
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   662
                  print ("Try again with " ^
36380
1e8fcaccb3e8 stop referring to Sledgehammer_Util stuff all over Nitpick code; instead, redeclare any needed function in Nitpick_Util as synonym for the Sledgehammer_Util function of the same name
blanchet
parents: 36266
diff changeset
   663
                         space_implode " " (serial_commas "and" ss) ^
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   664
                         " to confirm that the " ^ das_wort_model ^
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   665
                         " is genuine.")
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   666
                end
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   667
              else
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   668
                print ("Nitpick is unable to guarantee the authenticity of \
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   669
                       \the " ^ das_wort_model ^ " in the presence of \
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   670
                       \polymorphic axioms.")
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   671
            else
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   672
              ();
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   673
            NONE)
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   674
         else
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   675
           if not genuine then
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   676
             (Unsynchronized.inc met_potential;
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   677
              if check_potential then
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   678
                let
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   679
                  val status = prove_hol_model scope tac_timeout free_names
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   680
                                               sel_names rel_table bounds
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   681
                                               (assms_prop ())
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   682
                in
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   683
                  (case status of
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   684
                     SOME true => print ("Confirmation by \"auto\": The \
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   685
                                         \above " ^ das_wort_model ^
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   686
                                         " is genuine.")
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   687
                   | SOME false => print ("Refutation by \"auto\": The above " ^
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   688
                                          das_wort_model ^ " is spurious.")
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   689
                   | NONE => print "No confirmation by \"auto\".");
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   690
                  status
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   691
                end
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   692
              else
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   693
                NONE)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   694
           else
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   695
             NONE)
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   696
        |> pair genuine_means_genuine
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   697
      end
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   698
    fun solve_any_problem (found_really_genuine, max_potential, max_genuine,
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   699
                           donno) first_time problems =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   700
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   701
        val max_potential = Int.max (0, max_potential)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   702
        val max_genuine = Int.max (0, max_genuine)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   703
        fun print_and_check genuine (j, bounds) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   704
          print_and_check_model genuine bounds (snd (nth problems j))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   705
        val max_solutions = max_potential + max_genuine
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   706
                            |> not incremental ? Integer.min 1
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   707
      in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   708
        if max_solutions <= 0 then
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   709
          (found_really_genuine, 0, 0, donno)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   710
        else
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   711
          case KK.solve_any_problem overlord deadline max_threads max_solutions
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   712
                                    (map fst problems) of
35696
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   713
            KK.JavaNotInstalled =>
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   714
            (print_m install_java_message;
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   715
             (found_really_genuine, max_potential, max_genuine, donno + 1))
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   716
          | KK.KodkodiNotInstalled =>
33568
532b915afa14 don't run Nitpick at all if Kodkodi is not installed (as indicated by the $KODKODI variable)
blanchet
parents: 33566
diff changeset
   717
            (print_m install_kodkodi_message;
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   718
             (found_really_genuine, max_potential, max_genuine, donno + 1))
35333
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   719
          | KK.Normal ([], unsat_js, s) =>
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   720
            (update_checked_problems problems unsat_js; show_kodkod_warning s;
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   721
             (found_really_genuine, max_potential, max_genuine, donno))
35333
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   722
          | KK.Normal (sat_ps, unsat_js, s) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   723
            let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   724
              val (lib_ps, con_ps) =
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   725
                List.partition (#unsound o snd o nth problems o fst) sat_ps
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   726
            in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   727
              update_checked_problems problems (unsat_js @ map fst lib_ps);
35333
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   728
              show_kodkod_warning s;
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   729
              if null con_ps then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   730
                let
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   731
                  val genuine_codes =
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   732
                    lib_ps |> take max_potential
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   733
                           |> map (print_and_check false)
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   734
                           |> filter (curry (op =) (SOME true) o snd)
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   735
                  val found_really_genuine =
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   736
                    found_really_genuine orelse exists fst genuine_codes
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   737
                  val num_genuine = length genuine_codes
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   738
                  val max_genuine = max_genuine - num_genuine
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   739
                  val max_potential = max_potential
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   740
                                      - (length lib_ps - num_genuine)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   741
                in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   742
                  if max_genuine <= 0 then
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   743
                    (found_really_genuine, 0, 0, donno)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   744
                  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   745
                    let
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   746
                      (* "co_js" is the list of sound problems whose unsound
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   747
                         pendants couldn't be satisfied and hence that most
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   748
                         probably can't be satisfied themselves. *)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   749
                      val co_js =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   750
                        map (fn j => j - 1) unsat_js
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   751
                        |> filter (fn j =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   752
                                      j >= 0 andalso
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   753
                                      scopes_equivalent
35814
234eaa508359 added one-entry cache around Kodkod invocation
blanchet
parents: 35807
diff changeset
   754
                                          (#scope (snd (nth problems j)),
234eaa508359 added one-entry cache around Kodkod invocation
blanchet
parents: 35807
diff changeset
   755
                                           #scope (snd (nth problems (j + 1)))))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   756
                      val bye_js = sort_distinct int_ord (map fst sat_ps @
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   757
                                                          unsat_js @ co_js)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   758
                      val problems =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   759
                        problems |> filter_out_indices bye_js
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   760
                                 |> max_potential <= 0
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   761
                                    ? filter_out (#unsound o snd)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   762
                    in
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   763
                      solve_any_problem (found_really_genuine, max_potential,
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   764
                                         max_genuine, donno) false problems
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   765
                    end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   766
                end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   767
              else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   768
                let
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   769
                  val genuine_codes =
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   770
                    con_ps |> take max_genuine
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   771
                           |> map (print_and_check true)
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   772
                  val max_genuine = max_genuine - length genuine_codes
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   773
                  val found_really_genuine =
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   774
                    found_really_genuine orelse exists fst genuine_codes
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   775
                in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   776
                  if max_genuine <= 0 orelse not first_time then
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   777
                    (found_really_genuine, 0, max_genuine, donno)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   778
                  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   779
                    let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   780
                      val bye_js = sort_distinct int_ord
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   781
                                                 (map fst sat_ps @ unsat_js)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   782
                      val problems =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   783
                        problems |> filter_out_indices bye_js
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   784
                                 |> filter_out (#unsound o snd)
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   785
                    in
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   786
                      solve_any_problem (found_really_genuine, 0, max_genuine,
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   787
                                         donno) false problems
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   788
                    end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   789
                end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   790
            end
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   791
          | KK.TimedOut unsat_js =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   792
            (update_checked_problems problems unsat_js; raise TimeLimit.TimeOut)
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   793
          | KK.Interrupted NONE => (checked_problems := NONE; do_interrupted ())
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   794
          | KK.Interrupted (SOME unsat_js) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   795
            (update_checked_problems problems unsat_js; do_interrupted ())
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   796
          | KK.Error (s, unsat_js) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   797
            (update_checked_problems problems unsat_js;
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   798
             print_v (K ("Kodkod error: " ^ s ^ "."));
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   799
             (found_really_genuine, max_potential, max_genuine, donno + 1))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   800
      end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   801
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   802
    fun run_batch j n scopes (found_really_genuine, max_potential, max_genuine,
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   803
                              donno) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   804
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   805
        val _ =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   806
          if null scopes then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   807
            print_m (K "The scope specification is inconsistent.")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   808
          else if verbose then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   809
            pprint (Pretty.chunks
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   810
                [Pretty.blk (0,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   811
                     pstrs ((if n > 1 then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   812
                               "Batch " ^ string_of_int (j + 1) ^ " of " ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   813
                               signed_string_of_int n ^ ": "
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   814
                             else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   815
                               "") ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   816
                            "Trying " ^ string_of_int (length scopes) ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   817
                            " scope" ^ plural_s_for_list scopes ^ ":")),
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   818
                 Pretty.indent indent_size
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   819
                     (Pretty.chunks (map2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   820
                          (fn j => fn scope =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   821
                              Pretty.block (
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   822
                                  (case pretties_for_scope scope true of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   823
                                     [] => [Pretty.str "Empty"]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   824
                                   | pretties => pretties) @
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   825
                                  [Pretty.str (if j = 1 then "." else ";")]))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   826
                          (length scopes downto 1) scopes))])
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   827
          else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   828
            ()
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   829
        fun add_problem_for_scope (scope, unsound) (problems, donno) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   830
          (check_deadline ();
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   831
           case problem_for_scope unsound scope of
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   832
             SOME problem =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   833
             (problems
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   834
              |> (null problems orelse
35814
234eaa508359 added one-entry cache around Kodkod invocation
blanchet
parents: 35807
diff changeset
   835
                  not (KK.problems_equivalent (fst problem, fst (hd problems))))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   836
                  ? cons problem, donno)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   837
           | NONE => (problems, donno + 1))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   838
        val (problems, donno) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   839
          fold add_problem_for_scope
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   840
               (map_product pair scopes
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   841
                    ((if max_genuine > 0 then [false] else []) @
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   842
                     (if max_potential > 0 then [true] else [])))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   843
               ([], donno)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   844
        val _ = Unsynchronized.change generated_problems (append problems)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   845
        val _ = Unsynchronized.change generated_scopes (append scopes)
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   846
        val _ =
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   847
          if j + 1 = n then
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   848
            let
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   849
              val (unsound_problems, sound_problems) =
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   850
                List.partition (#unsound o snd) (!generated_problems)
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   851
            in
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   852
              if not (null sound_problems) andalso
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   853
                 forall (KK.is_problem_trivially_false o fst)
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   854
                        sound_problems then
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   855
                print_m (fn () =>
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   856
                    "Warning: The conjecture either trivially holds for the \
35384
88dbcfe75c45 cosmetics
blanchet
parents: 35335
diff changeset
   857
                    \given scopes or lies outside Nitpick's supported \
88dbcfe75c45 cosmetics
blanchet
parents: 35335
diff changeset
   858
                    \fragment." ^
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   859
                    (if exists (not o KK.is_problem_trivially_false o fst)
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   860
                               unsound_problems then
36913
0010f08e288e improve precision of set constructs in Nitpick
blanchet
parents: 36406
diff changeset
   861
                       " Only potential " ^ das_wort_model ^ "s may be found."
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   862
                     else
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   863
                       ""))
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   864
              else
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   865
                ()
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   866
            end
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   867
          else
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   868
            ()
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   869
      in
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   870
        solve_any_problem (found_really_genuine, max_potential, max_genuine,
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   871
                           donno) true (rev problems)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   872
      end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   873
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   874
    fun scope_count (problems : rich_problem list) scope =
35814
234eaa508359 added one-entry cache around Kodkod invocation
blanchet
parents: 35807
diff changeset
   875
      length (filter (curry scopes_equivalent scope o #scope o snd) problems)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   876
    fun excipit did_so_and_so =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   877
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   878
        val do_filter =
35185
9b8f351cced6 added yet another hint to Nitpick's output, this time warning about problems for which nothing was effectively tested
blanchet
parents: 35183
diff changeset
   879
          if !met_potential = max_potential then filter_out (#unsound o snd)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   880
          else I
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   881
        val total = length (!scopes)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   882
        val unsat =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   883
          fold (fn scope =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   884
                   case scope_count (do_filter (!generated_problems)) scope of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   885
                     0 => I
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   886
                   | n =>
33556
cba22e2999d5 renamed Nitpick option "coalesce_type_vars" to "merge_type_vars" (shorter) and cleaned up old hacks that are no longer necessary
blanchet
parents: 33233
diff changeset
   887
                     scope_count (do_filter (these (!checked_problems)))
cba22e2999d5 renamed Nitpick option "coalesce_type_vars" to "merge_type_vars" (shorter) and cleaned up old hacks that are no longer necessary
blanchet
parents: 33233
diff changeset
   888
                                 scope = n
cba22e2999d5 renamed Nitpick option "coalesce_type_vars" to "merge_type_vars" (shorter) and cleaned up old hacks that are no longer necessary
blanchet
parents: 33233
diff changeset
   889
                     ? Integer.add 1) (!generated_scopes) 0
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   890
      in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   891
        "Nitpick " ^ did_so_and_so ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   892
        (if is_some (!checked_problems) andalso total > 0 then
35696
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   893
           " " ^ string_of_int (Int.min (total - 1, unsat)) ^ " of " ^
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   894
           string_of_int total ^ " scope" ^ plural_s total
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   895
         else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   896
           "") ^ "."
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   897
      end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   898
37704
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   899
    val (skipped, the_scopes) =
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   900
      all_scopes hol_ctxt binarize cards_assigns maxes_assigns iters_assigns
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   901
                 bitss bisim_depths mono_Ts nonmono_Ts deep_dataTs
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   902
                 finitizable_dataTs
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   903
    val _ = if skipped > 0 then
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   904
              print_m (fn () => "Too many scopes. Skipping " ^
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   905
                                string_of_int skipped ^ " scope" ^
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   906
                                plural_s skipped ^
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   907
                                ". (Consider using \"mono\" or \
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   908
                                \\"merge_type_vars\" to prevent this.)")
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   909
            else
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   910
              ()
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   911
    val _ = scopes := the_scopes
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   912
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   913
    fun run_batches _ _ []
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   914
                    (found_really_genuine, max_potential, max_genuine, donno) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   915
        if donno > 0 andalso max_genuine > 0 then
35696
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   916
          (print_m (fn () => excipit "checked"); "unknown")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   917
        else if max_genuine = original_max_genuine then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   918
          if max_potential = original_max_potential then
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   919
            (print_m (fn () =>
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   920
                 "Nitpick found no " ^ das_wort_model ^ "." ^
35183
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   921
                 (if not standard andalso likely_in_struct_induct_step then
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   922
                    " This suggests that the induction hypothesis might be \
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   923
                    \general enough to prove this subgoal."
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   924
                  else
37704
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   925
                    "")); if skipped > 0 then "unknown" else "none")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   926
          else
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   927
            (print_m (fn () =>
38123
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   928
                 excipit ("could not find a" ^
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   929
                          (if max_genuine = 1 then
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   930
                             " better " ^ das_wort_model ^ "."
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   931
                           else
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   932
                             "ny better " ^ das_wort_model ^ "s.") ^
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   933
                          " It checked"));
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   934
             "potential")
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   935
        else if found_really_genuine then
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   936
          "genuine"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   937
        else
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   938
          "quasi_genuine"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   939
      | run_batches j n (batch :: batches) z =
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   940
        let val (z as (_, _, max_genuine, _)) = run_batch j n batch z in
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   941
          run_batches (j + 1) n (if max_genuine > 0 then batches else []) z
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   942
        end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   943
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   944
    val batches = batch_list batch_size (!scopes)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   945
    val outcome_code =
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   946
      (run_batches 0 (length batches) batches
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   947
                   (false, max_potential, max_genuine, 0)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   948
       handle Exn.Interrupt => do_interrupted ())
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   949
      handle TimeLimit.TimeOut =>
35696
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   950
             (print_m (fn () => excipit "ran out of time after checking");
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   951
              if !met_potential > 0 then "potential" else "unknown")
35696
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   952
           | Exn.Interrupt =>
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   953
             if auto orelse debug then raise Interrupt
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   954
             else error (excipit "was interrupted after checking")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   955
    val _ = print_v (fn () => "Total time: " ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   956
                              signed_string_of_int (Time.toMilliseconds
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   957
                                    (Timer.checkRealTimer timer)) ^ " ms.")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   958
  in (outcome_code, !state_ref) end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   959
  handle Exn.Interrupt =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   960
         if auto orelse #debug params then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   961
           raise Interrupt
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   962
         else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   963
           if passed_deadline deadline then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   964
             (priority "Nitpick ran out of time."; ("unknown", state))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   965
           else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   966
             error "Nitpick was interrupted."
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   967
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
   968
fun pick_nits_in_term state (params as {debug, timeout, expect, ...}) auto i n
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   969
                      step subst assm_ts orig_t =
37497
71fdbffe3275 distinguish between "unknown" and "no Kodkodi installed" errors
blanchet
parents: 37273
diff changeset
   970
  let val warning_m = if auto then K () else warning in
37213
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   971
    if getenv "KODKODI" = "" then
37497
71fdbffe3275 distinguish between "unknown" and "no Kodkodi installed" errors
blanchet
parents: 37273
diff changeset
   972
      (* The "expect" argument is deliberately ignored if Kodkodi is missing so
71fdbffe3275 distinguish between "unknown" and "no Kodkodi installed" errors
blanchet
parents: 37273
diff changeset
   973
         that the "Nitpick_Examples" can be processed on any machine. *)
37213
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   974
      (warning_m (Pretty.string_of (plazy install_kodkodi_message));
37497
71fdbffe3275 distinguish between "unknown" and "no Kodkodi installed" errors
blanchet
parents: 37273
diff changeset
   975
       ("no_kodkodi", state))
37213
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   976
    else
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   977
      let
37497
71fdbffe3275 distinguish between "unknown" and "no Kodkodi installed" errors
blanchet
parents: 37273
diff changeset
   978
        val unknown_outcome = ("unknown", state)
37213
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   979
        val deadline = Option.map (curry Time.+ (Time.now ())) timeout
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   980
        val outcome as (outcome_code, _) =
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   981
          time_limit (if debug then NONE else timeout)
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   982
              (pick_them_nits_in_term deadline state params auto i n step subst
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   983
                                      assm_ts) orig_t
37213
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   984
          handle TOO_LARGE (_, details) =>
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   985
                 (warning ("Limit reached: " ^ details ^ "."); unknown_outcome)
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   986
               | TOO_SMALL (_, details) =>
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   987
                 (warning ("Limit reached: " ^ details ^ "."); unknown_outcome)
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   988
               | Kodkod.SYNTAX (_, details) =>
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   989
                 (warning ("Ill-formed Kodkodi output: " ^ details ^ ".");
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   990
                  unknown_outcome)
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   991
      in
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   992
        if expect = "" orelse outcome_code = expect then outcome
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   993
        else error ("Unexpected outcome: " ^ quote outcome_code ^ ".")
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   994
      end
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   995
  end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   996
35335
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
   997
fun is_fixed_equation fixes
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
   998
                      (Const (@{const_name "=="}, _) $ Free (s, _) $ Const _) =
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
   999
    member (op =) fixes s
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1000
  | is_fixed_equation _ _ = false
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1001
fun extract_fixed_frees ctxt (assms, t) =
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1002
  let
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1003
    val fixes = Variable.fixes_of ctxt |> map snd
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1004
    val (subst, other_assms) =
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1005
      List.partition (is_fixed_equation fixes) assms
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1006
      |>> map Logic.dest_equals
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1007
  in (subst, other_assms, subst_atomic subst t) end
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1008
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
  1009
fun pick_nits_in_subgoal state params auto i step =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1010
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1011
    val ctxt = Proof.context_of state
33292
affe60b3d864 renamed raw Proof.get_goal to Proof.raw_goal;
wenzelm
parents: 33233
diff changeset
  1012
    val t = state |> Proof.raw_goal |> #goal |> prop_of
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1013
  in
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
  1014
    case Logic.count_prems t of
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
  1015
      0 => (priority "No subgoal!"; ("none", state))
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34938
diff changeset
  1016
    | n =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1017
      let
36406
0a2d5138b77c fixes 2a5c6e7b55cb;
blanchet
parents: 36397
diff changeset
  1018
        val t = Logic.goal_params t i |> fst
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1019
        val assms = map term_of (Assumption.all_assms_of ctxt)
35335
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1020
        val (subst, assms, t) = extract_fixed_frees ctxt (assms, t)
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1021
      in pick_nits_in_term state params auto i n step subst assms t end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1022
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1023
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1024
end;