src/HOL/Tools/Nitpick/nitpick.ML
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(*  Title:      HOL/Tools/Nitpick/nitpick.ML
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    Author:     Jasmin Blanchette, TU Muenchen
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    Copyright   2008, 2009, 2010
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Finite model generation for HOL formulas using Kodkod.
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*)
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signature NITPICK =
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sig
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  type styp = Nitpick_Util.styp
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  type term_postprocessor = Nitpick_Model.term_postprocessor
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  type params =
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    {cards_assigns: (typ option * int list) list,
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     maxes_assigns: (styp option * int list) list,
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     iters_assigns: (styp option * int list) list,
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     bitss: int list,
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     bisim_depths: int list,
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     boxes: (typ option * bool option) list,
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     finitizes: (typ option * bool option) list,
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     monos: (typ option * bool option) list,
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     stds: (typ option * bool) list,
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     wfs: (styp option * bool option) list,
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     sat_solver: string,
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     blocking: bool,
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     falsify: bool,
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     debug: bool,
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     verbose: bool,
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     overlord: bool,
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     user_axioms: bool option,
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     assms: bool,
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     whacks: term list,
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     merge_type_vars: bool,
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     binary_ints: bool option,
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     destroy_constrs: bool,
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     specialize: bool,
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     star_linear_preds: bool,
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     fast_descrs: bool,
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     peephole_optim: bool,
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     datatype_sym_break: int,
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     kodkod_sym_break: int,
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     timeout: Time.time option,
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     tac_timeout: Time.time option,
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     max_threads: int,
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     show_datatypes: bool,
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     show_consts: bool,
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     evals: term list,
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     formats: (term option * int list) list,
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     atomss: (typ option * string list) list,
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     max_potential: int,
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     max_genuine: int,
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     check_potential: bool,
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     check_genuine: bool,
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     batch_size: int,
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     expect: string}
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  val register_frac_type : string -> (string * string) list -> theory -> theory
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  val unregister_frac_type : string -> theory -> theory
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  val register_codatatype : typ -> string -> styp list -> theory -> theory
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  val unregister_codatatype : typ -> theory -> theory
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  val register_term_postprocessor :
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    typ -> term_postprocessor -> theory -> theory
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  val unregister_term_postprocessor : typ -> theory -> theory
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  val pick_nits_in_term :
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    Proof.state -> params -> bool -> int -> int -> int -> (term * term) list
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    -> term list -> term -> string * Proof.state
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  val pick_nits_in_subgoal :
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    Proof.state -> params -> bool -> int -> int -> string * Proof.state
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end;
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structure Nitpick : NITPICK =
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struct
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open Nitpick_Util
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open Nitpick_HOL
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open Nitpick_Preproc
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open Nitpick_Mono
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open Nitpick_Scope
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open Nitpick_Peephole
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open Nitpick_Rep
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open Nitpick_Nut
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open Nitpick_Kodkod
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open Nitpick_Model
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structure KK = Kodkod
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type params =
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  {cards_assigns: (typ option * int list) list,
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   maxes_assigns: (styp option * int list) list,
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   iters_assigns: (styp option * int list) list,
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   bitss: int list,
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   bisim_depths: int list,
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   boxes: (typ option * bool option) list,
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   finitizes: (typ option * bool option) list,
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   monos: (typ option * bool option) list,
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   stds: (typ option * bool) list,
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   wfs: (styp option * bool option) list,
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   sat_solver: string,
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   blocking: bool,
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   falsify: bool,
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   debug: bool,
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   verbose: bool,
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   overlord: bool,
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   user_axioms: bool option,
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   assms: bool,
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   whacks: term list,
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   merge_type_vars: bool,
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   binary_ints: bool option,
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   destroy_constrs: bool,
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   specialize: bool,
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   star_linear_preds: bool,
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   fast_descrs: bool,
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   peephole_optim: bool,
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   datatype_sym_break: int,
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   kodkod_sym_break: int,
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   timeout: Time.time option,
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   tac_timeout: Time.time option,
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   max_threads: int,
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   show_datatypes: bool,
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   show_consts: bool,
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   evals: term list,
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   formats: (term option * int list) list,
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   atomss: (typ option * string list) list,
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   max_potential: int,
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   max_genuine: int,
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   check_potential: bool,
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   check_genuine: bool,
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   batch_size: int,
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   expect: string}
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type problem_extension =
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  {free_names: nut list,
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   sel_names: nut list,
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   nonsel_names: nut list,
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   rel_table: nut NameTable.table,
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   unsound: bool,
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   scope: scope}
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type rich_problem = KK.problem * problem_extension
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fun pretties_for_formulas _ _ [] = []
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  | pretties_for_formulas ctxt s ts =
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    [Pretty.str (s ^ plural_s_for_list ts ^ ":"),
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     Pretty.indent indent_size (Pretty.chunks
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         (map2 (fn j => fn t =>
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                   Pretty.block [t |> shorten_names_in_term
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                                   |> Syntax.pretty_term ctxt,
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                                 Pretty.str (if j = 1 then "." else ";")])
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               (length ts downto 1) ts))]
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fun install_java_message () =
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  "Nitpick requires a Java 1.5 virtual machine called \"java\"."
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fun install_kodkodi_message () =
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  "Nitpick requires the external Java program Kodkodi. To install it, download \
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  \the package from Isabelle's web page and add the \"kodkodi-x.y.z\" \
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  \directory's full path to \"" ^
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  Path.implode (Path.expand (Path.appends
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      (Path.variable "ISABELLE_HOME_USER" ::
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       map Path.basic ["etc", "components"]))) ^ "\" on a line of its own."
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val max_unsound_delay_ms = 200
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val max_unsound_delay_percent = 2
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fun unsound_delay_for_timeout NONE = max_unsound_delay_ms
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  | unsound_delay_for_timeout (SOME timeout) =
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    Int.max (0, Int.min (max_unsound_delay_ms,
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                         Time.toMilliseconds timeout
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                         * max_unsound_delay_percent div 100))
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fun passed_deadline NONE = false
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  | passed_deadline (SOME time) = Time.compare (Time.now (), time) <> LESS
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fun none_true assigns = forall (not_equal (SOME true) o snd) assigns
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val syntactic_sorts =
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  @{sort "{default,zero,one,plus,minus,uminus,times,inverse,abs,sgn,ord,eq}"} @
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  @{sort number}
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fun has_tfree_syntactic_sort (TFree (_, S as _ :: _)) =
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    subset (op =) (S, syntactic_sorts)
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  | has_tfree_syntactic_sort _ = false
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val has_syntactic_sorts = exists_type (exists_subtype has_tfree_syntactic_sort)
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fun plazy f = Pretty.blk (0, pstrs (f ()))
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fun pick_them_nits_in_term deadline state (params : params) auto i n step
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                           subst assm_ts orig_t =
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  let
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    val timer = Timer.startRealTimer ()
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    val thy = Proof.theory_of state
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    val ctxt = Proof.context_of state
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(* FIXME: reintroduce code before new release:
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    val nitpick_thy = Thy_Info.get_theory "Nitpick"
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    val _ = Theory.subthy (nitpick_thy, thy) orelse
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            error "You must import the theory \"Nitpick\" to use Nitpick"
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*)
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    val {cards_assigns, maxes_assigns, iters_assigns, bitss, bisim_depths,
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         boxes, finitizes, monos, stds, wfs, sat_solver, falsify, debug,
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         verbose, overlord, user_axioms, assms, whacks, merge_type_vars,
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         binary_ints, destroy_constrs, specialize, star_linear_preds,
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         fast_descrs, peephole_optim, datatype_sym_break, kodkod_sym_break,
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         tac_timeout, max_threads, show_datatypes, show_consts, evals, formats,
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         atomss, max_potential, max_genuine, check_potential, check_genuine,
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         batch_size, ...} = params
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    val state_ref = Unsynchronized.ref state
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    val pprint =
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      if auto then
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        Unsynchronized.change state_ref o Proof.goal_message o K
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        o Pretty.chunks o cons (Pretty.str "") o single
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        o Pretty.mark Markup.hilite
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      else
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        (fn s => (priority s; if debug then tracing s else ()))
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        o Pretty.string_of
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    fun pprint_m f = () |> not auto ? pprint o f
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    fun pprint_v f = () |> verbose ? pprint o f
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    fun pprint_d f = () |> debug ? pprint o f
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    val print = pprint o curry Pretty.blk 0 o pstrs
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    val print_g = pprint o Pretty.str
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    val print_m = pprint_m o K o plazy
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    val print_v = pprint_v o K o plazy
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    fun check_deadline () =
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      if debug andalso passed_deadline deadline then raise TimeLimit.TimeOut
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      else ()
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    fun do_interrupted () =
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      if passed_deadline deadline then raise TimeLimit.TimeOut
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      else raise Interrupt
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    val assm_ts = if assms orelse auto then assm_ts else []
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    val _ =
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      if step = 0 then
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        print_m (fn () => "Nitpicking formula...")
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      else
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        pprint_m (fn () => Pretty.chunks (
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            pretties_for_formulas ctxt ("Nitpicking " ^
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                (if i <> 1 orelse n <> 1 then
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                   "subgoal " ^ string_of_int i ^ " of " ^ string_of_int n
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                 else
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                   "goal")) [Logic.list_implies (assm_ts, orig_t)]))
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    val neg_t = if falsify then Logic.mk_implies (orig_t, @{prop False})
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                else orig_t
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    val tfree_table =
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      if merge_type_vars then
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        merged_type_var_table_for_terms (neg_t :: assm_ts @ evals)
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      else
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        []
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    val neg_t = merge_type_vars_in_term merge_type_vars tfree_table neg_t
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    val assm_ts = map (merge_type_vars_in_term merge_type_vars tfree_table)
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                      assm_ts
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    val evals = map (merge_type_vars_in_term merge_type_vars tfree_table) evals
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    val original_max_potential = max_potential
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    val original_max_genuine = max_genuine
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    val max_bisim_depth = fold Integer.max bisim_depths ~1
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    val case_names = case_const_names thy stds
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    val (defs, built_in_nondefs, user_nondefs) = all_axioms_of ctxt subst
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    val def_table = const_def_table ctxt subst defs
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    val nondef_table = const_nondef_table (built_in_nondefs @ user_nondefs)
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    val simp_table = Unsynchronized.ref (const_simp_table ctxt subst)
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    val psimp_table = const_psimp_table ctxt subst
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    val choice_spec_table = const_choice_spec_table ctxt subst
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    val user_nondefs =
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      user_nondefs |> filter_out (is_choice_spec_axiom thy choice_spec_table)
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    val intro_table = inductive_intro_table ctxt subst def_table
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    val ground_thm_table = ground_theorem_table thy
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    val ersatz_table = ersatz_table thy
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    val (hol_ctxt as {wf_cache, ...}) =
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      {thy = thy, ctxt = ctxt, max_bisim_depth = max_bisim_depth, boxes = boxes,
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       stds = stds, wfs = wfs, user_axioms = user_axioms, debug = debug,
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       whacks = whacks, binary_ints = binary_ints,
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       destroy_constrs = destroy_constrs, specialize = specialize,
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       star_linear_preds = star_linear_preds, fast_descrs = fast_descrs,
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       tac_timeout = tac_timeout, evals = evals, case_names = case_names,
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       def_table = def_table, nondef_table = nondef_table,
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       user_nondefs = user_nondefs, simp_table = simp_table,
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   274
       psimp_table = psimp_table, choice_spec_table = choice_spec_table,
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   275
       intro_table = intro_table, ground_thm_table = ground_thm_table,
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   276
       ersatz_table = ersatz_table, skolems = Unsynchronized.ref [],
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   277
       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
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   278
       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
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   279
       constr_cache = Unsynchronized.ref []}
38170
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   280
    val pseudo_frees = fold Term.add_frees assm_ts []
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   281
    val real_frees = subtract (op =) pseudo_frees (Term.add_frees neg_t [])
38169
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   282
    val _ = null (fold Term.add_tvars (neg_t :: assm_ts) []) orelse
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   283
            raise NOT_SUPPORTED "schematic type variables"
35386
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   284
    val (nondef_ts, def_ts, got_all_mono_user_axioms, no_poly_user_axioms,
38169
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diff changeset
   285
         binarize) = preprocess_formulas hol_ctxt finitizes monos assm_ts neg_t
33192
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   286
    val got_all_user_axioms =
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   287
      got_all_mono_user_axioms andalso no_poly_user_axioms
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   288
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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   289
    fun print_wf (x, (gfp, wf)) =
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   290
      pprint (Pretty.blk (0,
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   291
          pstrs ("The " ^ (if gfp then "co" else "") ^ "inductive predicate \"")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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   292
          @ Syntax.pretty_term ctxt (Const x) ::
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   293
          pstrs (if wf then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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diff changeset
   294
                   "\" was proved well-founded. Nitpick can compute it \
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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   295
                   \efficiently."
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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   296
                 else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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   297
                   "\" could not be proved well-founded. Nitpick might need to \
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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   298
                   \unroll it.")))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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   299
    val _ = if verbose then List.app print_wf (!wf_cache) else ()
38171
5f2ea92319e0 fix soundness bug w.r.t. "Suc" with "binary_ints"
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diff changeset
   300
    val das_wort_formula = if falsify then "Negated conjecture" else "Formula"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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   301
    val _ =
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
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diff changeset
   302
      pprint_d (fn () => Pretty.chunks
38171
5f2ea92319e0 fix soundness bug w.r.t. "Suc" with "binary_ints"
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diff changeset
   303
          (pretties_for_formulas ctxt das_wort_formula [hd nondef_ts] @
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
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diff changeset
   304
           pretties_for_formulas ctxt "Relevant definitional axiom" def_ts @
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
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diff changeset
   305
           pretties_for_formulas ctxt "Relevant nondefinitional axiom"
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
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diff changeset
   306
                                 (tl nondef_ts)))
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
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diff changeset
   307
    val _ = List.app (ignore o Term.type_of) (nondef_ts @ def_ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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   308
            handle TYPE (_, Ts, ts) =>
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   309
                   raise TYPE ("Nitpick.pick_them_nits_in_term", Ts, ts)
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   310
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
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diff changeset
   311
    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;
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diff changeset
   312
    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
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diff changeset
   313
    val (free_names, const_names) =
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
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diff changeset
   314
      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
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diff changeset
   315
    val (sel_names, nonsel_names) =
a2db56854b83 optimized Nitpick's encoding and rendering of datatypes whose constructors don't appear in the problem
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diff changeset
   316
      List.partition (is_sel o nickname_of) const_names
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
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diff changeset
   317
    val sound_finitizes =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
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diff changeset
   318
      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
   319
                          | _ => 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
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diff changeset
   320
    val standard = forall snd stds
33558
a2db56854b83 optimized Nitpick's encoding and rendering of datatypes whose constructors don't appear in the problem
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diff changeset
   321
(*
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
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diff changeset
   322
    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
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diff changeset
   323
*)
a2db56854b83 optimized Nitpick's encoding and rendering of datatypes whose constructors don't appear in the problem
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diff changeset
   324
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
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diff changeset
   325
    val unique_scope = forall (curry (op =) 1 o length o snd) cards_assigns
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
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diff changeset
   326
    fun monotonicity_message Ts extra =
38188
7f12a03c513c better "Pretty" handling
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diff changeset
   327
      let val pretties = map (pretty_maybe_quote o pretty_for_type ctxt) Ts in
7f12a03c513c better "Pretty" handling
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diff changeset
   328
        Pretty.blk (0,
7f12a03c513c better "Pretty" handling
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diff changeset
   329
          pstrs ("The type" ^ plural_s_for_list pretties ^ " ") @
7f12a03c513c better "Pretty" handling
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diff changeset
   330
          pretty_serial_commas "and" pretties @
7f12a03c513c better "Pretty" handling
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diff changeset
   331
          pstrs (" " ^
7f12a03c513c better "Pretty" handling
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diff changeset
   332
          (if none_true monos then
7f12a03c513c better "Pretty" handling
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diff changeset
   333
             "passed the monotonicity test"
7f12a03c513c better "Pretty" handling
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diff changeset
   334
           else
7f12a03c513c better "Pretty" handling
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diff changeset
   335
             (if length pretties = 1 then "is" else "are") ^ " considered monotonic") ^
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parents: 38182
diff changeset
   336
          ". " ^ extra))
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
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diff changeset
   337
      end
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
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diff changeset
   338
    fun is_type_fundamentally_monotonic T =
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
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diff changeset
   339
      (is_datatype ctxt stds T andalso not (is_quot_type thy T) andalso
0dca1ec52999 thread along context instead of theory for typedef lookup
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parents: 37213
diff changeset
   340
       (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
   341
      is_number_type thy T orelse is_bit_type T
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
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diff changeset
   342
    fun is_type_actually_monotonic T =
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
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diff changeset
   343
      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
   344
    fun is_type_kind_of_monotonic T =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   345
      case triple_lookup (type_match thy) monos T of
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
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parents: 35408
diff changeset
   346
        SOME (SOME false) => false
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
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parents: 35408
diff changeset
   347
      | _ => is_type_actually_monotonic T
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   348
    fun is_type_monotonic T =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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parents:
diff changeset
   349
      unique_scope orelse
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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diff changeset
   350
      case triple_lookup (type_match thy) monos T of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
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parents:
diff changeset
   351
        SOME (SOME b) => b
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   352
      | _ => is_type_fundamentally_monotonic T orelse
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
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parents: 35408
diff changeset
   353
             is_type_actually_monotonic T
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
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parents: 35408
diff changeset
   354
    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
   355
        is_type_kind_of_monotonic T
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   356
      | 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
   357
        is_type_kind_of_monotonic T
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   358
      | is_shallow_datatype_finitizable T =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   359
        case triple_lookup (type_match thy) finitizes T of
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
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parents: 35408
diff changeset
   360
          SOME (SOME b) => b
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
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parents: 35408
diff changeset
   361
        | _ => is_type_kind_of_monotonic T
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   362
    fun is_datatype_deep T =
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
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parents: 35384
diff changeset
   363
      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
   364
      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
   365
    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
   366
                 |> sort Term_Ord.typ_ord
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   367
    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
   368
               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
   369
              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
   370
                         \of the presence of rationals, reals, \"Suc\", \
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
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diff changeset
   371
                         \\"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
   372
                         \\"non_std\" option.")
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   373
            else
c4628a1dcf75 added support for binary nat/int representation to Nitpick
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diff changeset
   374
              ()
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
   375
    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
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diff changeset
   376
    val _ =
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   377
      if verbose andalso not unique_scope then
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35408
diff changeset
   378
        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
   379
          [] => ()
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   380
        | interesting_mono_Ts =>
38188
7f12a03c513c better "Pretty" handling
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parents: 38182
diff changeset
   381
          pprint_v (K (monotonicity_message interesting_mono_Ts
7f12a03c513c better "Pretty" handling
blanchet
parents: 38182
diff changeset
   382
                          "Nitpick might be able to skip some scopes."))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   383
      else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   384
        ()
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   385
    val (deep_dataTs, shallow_dataTs) =
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37213
diff changeset
   386
      all_Ts |> filter (is_datatype ctxt stds)
0dca1ec52999 thread along context instead of theory for typedef lookup
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parents: 37213
diff changeset
   387
             |> List.partition is_datatype_deep
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   388
    val finitizable_dataTs =
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   389
      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
   390
                     |> filter is_shallow_datatype_finitizable
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   391
    val _ =
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   392
      if verbose andalso not (null finitizable_dataTs) then
38188
7f12a03c513c better "Pretty" handling
blanchet
parents: 38182
diff changeset
   393
        pprint_v (K (monotonicity_message finitizable_dataTs
7f12a03c513c better "Pretty" handling
blanchet
parents: 38182
diff changeset
   394
                         "Nitpick can use a more precise finite encoding."))
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   395
      else
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   396
        ()
35183
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   397
    (* 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
   398
       provide a hint to the user. *)
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   399
    fun is_struct_induct_step (name, (Rule_Cases.Case {fixes, assumes, ...}, _)) =
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   400
      not (null fixes) andalso
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   401
      exists (String.isSuffix ".hyps" o fst) assumes andalso
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   402
      exists (exists (curry (op =) name o shortest_name o fst)
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   403
              o datatype_constrs hol_ctxt) deep_dataTs
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   404
    val likely_in_struct_induct_step =
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   405
      exists is_struct_induct_step (ProofContext.cases_of ctxt)
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   406
    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
   407
              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
   408
                  pstrs "Hint: To check that the induction hypothesis is \
35177
168041f24f80 various cosmetic changes to Nitpick
blanchet
parents: 35075
diff changeset
   409
                        \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
   410
                  [Pretty.mark Markup.sendback (Pretty.blk (0,
35183
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   411
                       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
   412
            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
   413
              ()
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   414
(*
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   415
    val _ = print_g "Monotonic types:"
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   416
    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
   417
    val _ = print_g "Nonmonotonic types:"
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   418
    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
   419
*)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   420
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   421
    val incremental = Int.max (max_potential, max_genuine) >= 2
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   422
    val actual_sat_solver =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   423
      if sat_solver <> "smart" then
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   424
        if incremental andalso
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   425
           not (member (op =) (Kodkod_SAT.configured_sat_solvers true)
35333
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   426
                       sat_solver) then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   427
          (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
   428
                       \be used instead of " ^ quote sat_solver ^ "."));
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   429
           "SAT4J")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   430
        else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   431
          sat_solver
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   432
      else
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   433
        Kodkod_SAT.smart_sat_solver_name incremental
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   434
    val _ =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   435
      if sat_solver = "smart" then
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   436
        print_v (fn () =>
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   437
            "Using SAT solver " ^ quote actual_sat_solver ^ ". The following" ^
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   438
            (if incremental then " incremental " else " ") ^
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   439
            "solvers are configured: " ^
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   440
            commas_quote (Kodkod_SAT.configured_sat_solvers incremental) ^ ".")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   441
      else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   442
        ()
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   443
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   444
    val too_big_scopes = Unsynchronized.ref []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   445
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
   446
    fun problem_for_scope unsound
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   447
            (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
   448
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   449
        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
   450
                            (!too_big_scopes)) orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   451
                raise TOO_LARGE ("Nitpick.pick_them_nits_in_term.\
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   452
                                 \problem_for_scope", "too large scope")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   453
(*
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   454
        val _ = print_g "Offsets:"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   455
        val _ = List.app (fn (T, j0) =>
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   456
                             print_g (string_for_type ctxt T ^ " = " ^
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   457
                                    string_of_int j0))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   458
                         (Typtab.dest ofs)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   459
*)
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35384
diff changeset
   460
        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
   461
        val main_j0 = offset_of_type ofs bool_T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   462
        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
   463
        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
   464
        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
   465
                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
   466
                           "bad offsets")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   467
        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
   468
        val (free_names, rep_table) =
38170
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   469
          choose_reps_for_free_vars scope pseudo_frees free_names
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   470
                                    NameTable.empty
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   471
        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
   472
        val (nonsel_names, rep_table) =
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   473
          choose_reps_for_consts scope all_exact nonsel_names rep_table
38182
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   474
        val (guiltiest_party, min_highest_arity) =
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   475
          NameTable.fold (fn (name, R) => fn (s, n) =>
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   476
                             let val n' = arity_of_rep R in
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   477
                               if n' > n then (nickname_of name, n') else (s, n)
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   478
                             end) rep_table ("", 1)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   479
        val min_univ_card =
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   480
          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
   481
                         (univ_card nat_card int_card main_j0 [] KK.True)
38182
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   482
        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
   483
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
   484
        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
   485
                         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
   486
        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
   487
                            nondef_us
33745
daf236998f82 comment out debugging code in Nitpick
blanchet
parents: 33744
diff changeset
   488
(*
36128
a3d8d5329438 make Nitpick output everything to tracing in debug mode;
blanchet
parents: 36126
diff changeset
   489
        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
   490
                         (free_names @ sel_names @ nonsel_names @
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   491
                          nondef_us @ def_us)
33745
daf236998f82 comment out debugging code in Nitpick
blanchet
parents: 33744
diff changeset
   492
*)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   493
        val (free_rels, pool, rel_table) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   494
          rename_free_vars free_names initial_pool NameTable.empty
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   495
        val (sel_rels, pool, rel_table) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   496
          rename_free_vars sel_names pool rel_table
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   497
        val (other_rels, pool, rel_table) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   498
          rename_free_vars nonsel_names pool rel_table
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   499
        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
   500
        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
   501
        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
   502
        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
   503
        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
   504
        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
   505
                      Print_Mode.setmp [] multiline_string_for_scope scope
34998
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
   506
        val kodkod_sat_solver =
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   507
          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
   508
        val bit_width = if bits = 0 then 16 else bits + 1
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   509
        val delay =
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   510
          if unsound then
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   511
            Option.map (fn time => Time.- (time, Time.now ())) deadline
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   512
            |> unsound_delay_for_timeout
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   513
          else
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   514
            0
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   515
        val settings = [("solver", commas_quote kodkod_sat_solver),
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   516
                        ("bit_width", string_of_int bit_width),
38124
6538e25cf5dd started implementation of custom sym break
blanchet
parents: 38123
diff changeset
   517
                        ("symmetry_breaking", string_of_int kodkod_sym_break),
36386
2132f15b366f Fruhjahrsputz: remove three mostly useless Nitpick options
blanchet
parents: 36385
diff changeset
   518
                        ("sharing", "3"),
2132f15b366f Fruhjahrsputz: remove three mostly useless Nitpick options
blanchet
parents: 36385
diff changeset
   519
                        ("flatten", "false"),
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   520
                        ("delay", signed_string_of_int delay)]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   521
        val plain_rels = free_rels @ other_rels
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   522
        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
   523
        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
   524
        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
   525
        val dtype_axioms =
38126
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   526
          declarative_axioms_for_datatypes hol_ctxt binarize datatype_sym_break
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   527
                                           bits ofs kk rel_table datatypes
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   528
        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
   529
        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
   530
                                     (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
   531
                                 main_j0 |> bits > 0 ? Integer.add (bits + 1))
38126
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   532
        val (built_in_bounds, built_in_axioms) =
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   533
          bounds_and_axioms_for_built_in_rels_in_formulas debug ofs
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   534
              univ_card nat_card int_card main_j0
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   535
              (formula :: declarative_axioms)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   536
        val bounds = built_in_bounds @ plain_bounds @ sel_bounds
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   537
                     |> not debug ? merge_bounds
38126
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   538
        val axioms = built_in_axioms @ declarative_axioms
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   539
        val highest_arity =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   540
          fold Integer.max (map (fst o fst) (maps fst bounds)) 0
38126
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 38124
diff changeset
   541
        val formula = fold_rev s_and axioms formula
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   542
        val _ = if bits = 0 then () else check_bits bits formula
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   543
        val _ = if formula = KK.False then ()
38182
747f8077b09a more helpful message
blanchet
parents: 38171
diff changeset
   544
                else check_arity "" univ_card highest_arity
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   545
      in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   546
        SOME ({comment = comment, settings = settings, univ_card = univ_card,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   547
               tuple_assigns = [], bounds = bounds,
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   548
               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
   549
                            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
   550
               expr_assigns = [], formula = formula},
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   551
              {free_names = free_names, sel_names = sel_names,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   552
               nonsel_names = nonsel_names, rel_table = rel_table,
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   553
               unsound = unsound, scope = scope})
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   554
      end
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   555
      handle TOO_LARGE (loc, msg) =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   556
             if loc = "Nitpick_Kodkod.check_arity" andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34935
diff changeset
   557
                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
   558
               problem_for_scope unsound
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35185
diff changeset
   559
                   {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
   560
                    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
   561
                    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
   562
                    ofs = Typtab.empty}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   563
             else if loc = "Nitpick.pick_them_nits_in_term.\
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   564
                           \problem_for_scope" then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   565
               NONE
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   566
             else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   567
               (Unsynchronized.change too_big_scopes (cons scope);
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   568
                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
   569
                                   ". Skipping " ^ (if unsound then "potential"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   570
                                                    else "genuine") ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   571
                                   " component of scope."));
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   572
                NONE)
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   573
           | TOO_SMALL (_, msg) =>
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   574
             (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
   575
                                 ". Skipping " ^ (if unsound then "potential"
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   576
                                                  else "genuine") ^
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   577
                                 " component of scope."));
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   578
              NONE)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   579
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
   580
    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
   581
      (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
   582
      |> not standard ? prefix "nonstandard "
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   583
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   584
    val scopes = Unsynchronized.ref []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   585
    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
   586
    val generated_problems = Unsynchronized.ref ([] : rich_problem list)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   587
    val checked_problems = Unsynchronized.ref (SOME [])
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   588
    val met_potential = Unsynchronized.ref 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   589
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   590
    fun update_checked_problems problems =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   591
      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
   592
                o nth problems)
35333
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   593
    fun show_kodkod_warning "" = ()
35334
b83b9f2a4b92 show Kodkod warning message even in non-verbose mode
blanchet
parents: 35333
diff changeset
   594
      | 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
   595
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   596
    fun print_and_check_model genuine bounds
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   597
            ({free_names, sel_names, nonsel_names, rel_table, scope, ...}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   598
             : problem_extension) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   599
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   600
        val (reconstructed_model, codatatypes_ok) =
36390
eee4ee6a5cbe remove "show_skolems" option and change style of record declarations
blanchet
parents: 36389
diff changeset
   601
          reconstruct_hol_model {show_datatypes = show_datatypes,
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   602
                                 show_consts = show_consts}
38170
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   603
              scope formats atomss real_frees pseudo_frees free_names sel_names
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38169
diff changeset
   604
              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
   605
        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
   606
          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
   607
          sound_finitizes andalso codatatypes_ok
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   608
        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
   609
      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
   610
        (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
   611
             [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
   612
                  (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
   613
                          (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
   614
                           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
   615
                           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
   616
                   (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
   617
                      [] => []
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
                    | 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
   619
                   [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
   620
              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
   621
         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
   622
           (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
   623
              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
   624
                                   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
   625
                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
   626
                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
   627
                       das_wort_model ^ " is really genuine.")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   628
              | 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
   629
                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
   630
                  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
   631
                         \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
   632
                         \happen.\nPlease send a bug report to blanchet\
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   633
                         \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
   634
                 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
   635
                   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
   636
                          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
   637
               | 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
   638
            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
   639
              ();
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
            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
   641
              print "The existence of a nonstandard model suggests that the \
36126
00d550b6cfd4 cosmetics
blanchet
parents: 35968
diff changeset
   642
                    \induction hypothesis is not general enough or may even be \
00d550b6cfd4 cosmetics
blanchet
parents: 35968
diff changeset
   643
                    \wrong. See the Nitpick manual's \"Inductive Properties\" \
00d550b6cfd4 cosmetics
blanchet
parents: 35968
diff changeset
   644
                    \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
   645
            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
   646
              ();
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 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
   648
              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
   649
            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
   650
              ();
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
            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
   652
              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
   653
                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
   654
                  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
   655
                    [] |> 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
   656
                          ? 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
   657
                       |> 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
   658
                          ? 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
   659
                       |> 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
   660
                          ? 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
   661
                       |> 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
   662
                          ? 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
   663
                  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
   664
                    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
   665
                        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
   666
                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
   667
                  print ("Try again with " ^
38188
7f12a03c513c better "Pretty" handling
blanchet
parents: 38182
diff changeset
   668
                         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
   669
                         " 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
   670
                         " 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
   671
                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
   672
              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
   673
                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
   674
                       \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
   675
                       \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
   676
            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
   677
              ();
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
            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
   679
         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
   680
           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
   681
             (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
   682
              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
   683
                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
   684
                  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
   685
                                               sel_names rel_table bounds
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38126
diff changeset
   686
                                               (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
   687
                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
   688
                  (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
   689
                     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
   690
                                         \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
   691
                                         " 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
   692
                   | 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
   693
                                          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
   694
                   | 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
   695
                  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
   696
                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
   697
              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
   698
                NONE)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   699
           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
   700
             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
   701
        |> pair genuine_means_genuine
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   702
      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
   703
    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
   704
                           donno) first_time problems =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   705
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   706
        val max_potential = Int.max (0, max_potential)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   707
        val max_genuine = Int.max (0, max_genuine)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   708
        fun print_and_check genuine (j, bounds) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   709
          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
   710
        val max_solutions = max_potential + max_genuine
36384
76d5fd5a45fb cosmetics
blanchet
parents: 36380
diff changeset
   711
                            |> not incremental ? Integer.min 1
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   712
      in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   713
        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
   714
          (found_really_genuine, 0, 0, donno)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   715
        else
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   716
          case KK.solve_any_problem overlord deadline max_threads max_solutions
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   717
                                    (map fst problems) of
35696
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   718
            KK.JavaNotInstalled =>
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   719
            (print_m install_java_message;
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   720
             (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
   721
          | 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
   722
            (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
   723
             (found_really_genuine, max_potential, max_genuine, donno + 1))
35333
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   724
          | KK.Normal ([], unsat_js, s) =>
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   725
            (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
   726
             (found_really_genuine, max_potential, max_genuine, donno))
35333
f61de25f71f9 distinguish between Kodkodi warnings and errors in Nitpick;
blanchet
parents: 35280
diff changeset
   727
          | KK.Normal (sat_ps, unsat_js, s) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   728
            let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   729
              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
   730
                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
   731
            in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   732
              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
   733
              show_kodkod_warning s;
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   734
              if null con_ps then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   735
                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
   736
                  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
   737
                    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
   738
                           |> 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
   739
                           |> 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
   740
                  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
   741
                    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
   742
                  val num_genuine = length genuine_codes
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   743
                  val max_genuine = max_genuine - num_genuine
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   744
                  val max_potential = max_potential
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   745
                                      - (length lib_ps - num_genuine)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   746
                in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   747
                  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
   748
                    (found_really_genuine, 0, 0, donno)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   749
                  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   750
                    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
   751
                      (* "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
   752
                         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
   753
                         probably can't be satisfied themselves. *)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   754
                      val co_js =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   755
                        map (fn j => j - 1) unsat_js
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   756
                        |> filter (fn j =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   757
                                      j >= 0 andalso
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   758
                                      scopes_equivalent
35814
234eaa508359 added one-entry cache around Kodkod invocation
blanchet
parents: 35807
diff changeset
   759
                                          (#scope (snd (nth problems j)),
234eaa508359 added one-entry cache around Kodkod invocation
blanchet
parents: 35807
diff changeset
   760
                                           #scope (snd (nth problems (j + 1)))))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   761
                      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
   762
                                                          unsat_js @ co_js)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   763
                      val problems =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   764
                        problems |> filter_out_indices bye_js
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   765
                                 |> 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
   766
                                    ? filter_out (#unsound o snd)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   767
                    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
   768
                      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
   769
                                         max_genuine, donno) false problems
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   770
                    end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   771
                end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   772
              else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   773
                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
   774
                  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
   775
                    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
   776
                           |> 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
   777
                  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
   778
                  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
   779
                    found_really_genuine orelse exists fst genuine_codes
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   780
                in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   781
                  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
   782
                    (found_really_genuine, 0, max_genuine, donno)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   783
                  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   784
                    let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   785
                      val bye_js = sort_distinct int_ord
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   786
                                                 (map fst sat_ps @ unsat_js)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   787
                      val problems =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   788
                        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
   789
                                 |> 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
   790
                    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
   791
                      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
   792
                                         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
   793
                    end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   794
                end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   795
            end
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   796
          | KK.TimedOut 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; raise TimeLimit.TimeOut)
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   798
          | KK.Interrupted NONE => (checked_problems := NONE; do_interrupted ())
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   799
          | KK.Interrupted (SOME unsat_js) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   800
            (update_checked_problems problems unsat_js; do_interrupted ())
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
   801
          | KK.Error (s, unsat_js) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   802
            (update_checked_problems problems unsat_js;
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   803
             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
   804
             (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
   805
      end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   806
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
   807
    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
   808
                              donno) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   809
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   810
        val _ =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   811
          if null scopes then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   812
            print_m (K "The scope specification is inconsistent.")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   813
          else if verbose then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   814
            pprint (Pretty.chunks
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   815
                [Pretty.blk (0,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   816
                     pstrs ((if n > 1 then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   817
                               "Batch " ^ string_of_int (j + 1) ^ " of " ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   818
                               signed_string_of_int n ^ ": "
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   819
                             else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   820
                               "") ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   821
                            "Trying " ^ string_of_int (length scopes) ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   822
                            " scope" ^ plural_s_for_list scopes ^ ":")),
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   823
                 Pretty.indent indent_size
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   824
                     (Pretty.chunks (map2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   825
                          (fn j => fn scope =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   826
                              Pretty.block (
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   827
                                  (case pretties_for_scope scope true of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   828
                                     [] => [Pretty.str "Empty"]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   829
                                   | pretties => pretties) @
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   830
                                  [Pretty.str (if j = 1 then "." else ";")]))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   831
                          (length scopes downto 1) scopes))])
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   832
          else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   833
            ()
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   834
        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
   835
          (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
   836
           case problem_for_scope unsound scope of
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   837
             SOME problem =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   838
             (problems
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   839
              |> (null problems orelse
35814
234eaa508359 added one-entry cache around Kodkod invocation
blanchet
parents: 35807
diff changeset
   840
                  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
   841
                  ? cons problem, donno)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   842
           | NONE => (problems, donno + 1))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   843
        val (problems, donno) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   844
          fold add_problem_for_scope
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   845
               (map_product pair scopes
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   846
                    ((if max_genuine > 0 then [false] else []) @
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   847
                     (if max_potential > 0 then [true] else [])))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   848
               ([], donno)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   849
        val _ = Unsynchronized.change generated_problems (append problems)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   850
        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
   851
        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
   852
          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
   853
            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
   854
              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
   855
                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
   856
            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
   857
              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
   858
                 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
   859
                        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
   860
                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
   861
                    "Warning: The conjecture either trivially holds for the \
35384
88dbcfe75c45 cosmetics
blanchet
parents: 35335
diff changeset
   862
                    \given scopes or lies outside Nitpick's supported \
88dbcfe75c45 cosmetics
blanchet
parents: 35335
diff changeset
   863
                    \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
   864
                    (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
   865
                               unsound_problems then
36913
0010f08e288e improve precision of set constructs in Nitpick
blanchet
parents: 36406
diff changeset
   866
                       " 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
   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
                       ""))
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
   869
              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
   870
                ()
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
   871
            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
   872
          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
   873
            ()
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   874
      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
   875
        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
   876
                           donno) true (rev problems)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   877
      end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   878
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   879
    fun scope_count (problems : rich_problem list) scope =
35814
234eaa508359 added one-entry cache around Kodkod invocation
blanchet
parents: 35807
diff changeset
   880
      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
   881
    fun excipit did_so_and_so =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   882
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   883
        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
   884
          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
   885
          else I
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   886
        val total = length (!scopes)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   887
        val unsat =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   888
          fold (fn scope =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   889
                   case scope_count (do_filter (!generated_problems)) scope of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   890
                     0 => I
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   891
                   | 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
   892
                     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
   893
                                 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
   894
                     ? Integer.add 1) (!generated_scopes) 0
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   895
      in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   896
        "Nitpick " ^ did_so_and_so ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   897
        (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
   898
           " " ^ 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
   899
           string_of_int total ^ " scope" ^ plural_s total
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   900
         else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   901
           "") ^ "."
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   902
      end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   903
37704
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   904
    val (skipped, the_scopes) =
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   905
      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
   906
                 bitss bisim_depths mono_Ts nonmono_Ts deep_dataTs
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   907
                 finitizable_dataTs
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   908
    val _ = if skipped > 0 then
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   909
              print_m (fn () => "Too many scopes. Skipping " ^
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   910
                                string_of_int skipped ^ " scope" ^
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   911
                                plural_s skipped ^
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   912
                                ". (Consider using \"mono\" or \
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   913
                                \\"merge_type_vars\" to prevent this.)")
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   914
            else
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   915
              ()
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   916
    val _ = scopes := the_scopes
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   917
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
   918
    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
   919
                    (found_really_genuine, max_potential, max_genuine, donno) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   920
        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
   921
          (print_m (fn () => excipit "checked"); "unknown")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   922
        else if max_genuine = original_max_genuine then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   923
          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
   924
            (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
   925
                 "Nitpick found no " ^ das_wort_model ^ "." ^
35183
8580ba651489 reintroduce structural induction hint in Nitpick
blanchet
parents: 35181
diff changeset
   926
                 (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
   927
                    " 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
   928
                    \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
   929
                  else
37704
c6161bee8486 adapt Nitpick to "prod_case" and "*" -> "sum" renaming;
blanchet
parents: 37497
diff changeset
   930
                    "")); if skipped > 0 then "unknown" else "none")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   931
          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
   932
            (print_m (fn () =>
38123
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   933
                 excipit ("could not find a" ^
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   934
                          (if max_genuine = 1 then
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   935
                             " better " ^ das_wort_model ^ "."
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   936
                           else
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   937
                             "ny better " ^ das_wort_model ^ "s.") ^
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   938
                          " It checked"));
36f649db4a6c clarify Nitpick's output in case of a potential counterexample
blanchet
parents: 37928
diff changeset
   939
             "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
   940
        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
   941
          "genuine"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   942
        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
   943
          "quasi_genuine"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   944
      | 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
   945
        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
   946
          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
   947
        end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   948
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   949
    val batches = batch_list batch_size (!scopes)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   950
    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
   951
      (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
   952
                   (false, max_potential, max_genuine, 0)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   953
       handle Exn.Interrupt => do_interrupted ())
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   954
      handle TimeLimit.TimeOut =>
35696
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   955
             (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
   956
              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
   957
           | Exn.Interrupt =>
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   958
             if auto orelse debug then raise Interrupt
17ae461d6133 show nice error message in Nitpick when "java" is not available
blanchet
parents: 35671
diff changeset
   959
             else error (excipit "was interrupted after checking")
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   960
    val _ = print_v (fn () => "Total time: " ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   961
                              signed_string_of_int (Time.toMilliseconds
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   962
                                    (Timer.checkRealTimer timer)) ^ " ms.")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   963
  in (outcome_code, !state_ref) end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   964
  handle Exn.Interrupt =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   965
         if auto orelse #debug params then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   966
           raise Interrupt
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   967
         else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   968
           if passed_deadline deadline then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   969
             (priority "Nitpick ran out of time."; ("unknown", state))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   970
           else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   971
             error "Nitpick was interrupted."
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   972
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
   973
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
   974
                      step subst assm_ts orig_t =
37497
71fdbffe3275 distinguish between "unknown" and "no Kodkodi installed" errors
blanchet
parents: 37273
diff changeset
   975
  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
   976
    if getenv "KODKODI" = "" then
37497
71fdbffe3275 distinguish between "unknown" and "no Kodkodi installed" errors
blanchet
parents: 37273
diff changeset
   977
      (* 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
   978
         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
   979
      (warning_m (Pretty.string_of (plazy install_kodkodi_message));
37497
71fdbffe3275 distinguish between "unknown" and "no Kodkodi installed" errors
blanchet
parents: 37273
diff changeset
   980
       ("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
   981
    else
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   982
      let
37497
71fdbffe3275 distinguish between "unknown" and "no Kodkodi installed" errors
blanchet
parents: 37273
diff changeset
   983
        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
   984
        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
   985
        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
   986
          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
   987
              (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
   988
                                      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
   989
          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
   990
                 (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
   991
               | 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
   992
                 (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
   993
               | 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
   994
                 (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
   995
                  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
   996
      in
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
   997
        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
   998
        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
   999
      end
efcad7594872 fix handling of "split" w.r.t. new definition + fix exception handling w.r.t. "expect" option
blanchet
parents: 37146
diff changeset
  1000
  end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1001
35335
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1002
fun is_fixed_equation fixes
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1003
                      (Const (@{const_name "=="}, _) $ Free (s, _) $ Const _) =
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1004
    member (op =) fixes s
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1005
  | is_fixed_equation _ _ = false
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1006
fun extract_fixed_frees ctxt (assms, t) =
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1007
  let
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1008
    val fixes = Variable.fixes_of ctxt |> map snd
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1009
    val (subst, other_assms) =
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1010
      List.partition (is_fixed_equation fixes) assms
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1011
      |>> map Logic.dest_equals
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1012
  in (subst, other_assms, subst_atomic subst t) end
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1013
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
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
  1015
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1016
    val ctxt = Proof.context_of state
33292
affe60b3d864 renamed raw Proof.get_goal to Proof.raw_goal;
wenzelm
parents: 33233
diff changeset
  1017
    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
  1018
  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
  1019
    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
  1020
      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
  1021
    | n =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1022
      let
36406
0a2d5138b77c fixes 2a5c6e7b55cb;
blanchet
parents: 36397
diff changeset
  1023
        val t = Logic.goal_params t i |> fst
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1024
        val assms = map term_of (Assumption.all_assms_of ctxt)
35335
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1025
        val (subst, assms, t) = extract_fixed_frees ctxt (assms, t)
f715cfde056a support local definitions in Nitpick
blanchet
parents: 35334
diff changeset
  1026
      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
  1027
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1028
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1029
end;