src/HOL/Tools/res_atp.ML
author mengj
Wed Sep 20 13:53:03 2006 +0200 (2006-09-20)
changeset 20643 267f30cbe2cb
parent 20532 64181717e37c
child 20661 46832fee1215
permissions -rw-r--r--
Removed include_min_comb and include_combS.
mengj@19194
     1
(*  Author: Jia Meng, Cambridge University Computer Laboratory, NICTA
paulson@15608
     2
    ID: $Id$
paulson@15608
     3
    Copyright 2004 University of Cambridge
paulson@15347
     4
paulson@15347
     5
ATPs with TPTP format input.
paulson@15347
     6
*)
paulson@15452
     7
paulson@20457
     8
(*FIXME: Do we need this signature?*)
wenzelm@16802
     9
signature RES_ATP =
wenzelm@16802
    10
sig
paulson@17306
    11
  val prover: string ref
wenzelm@16802
    12
  val custom_spass: string list ref
paulson@17484
    13
  val destdir: string ref
paulson@17849
    14
  val helper_path: string -> string -> string
paulson@17484
    15
  val problem_name: string ref
paulson@17690
    16
  val time_limit: int ref
mengj@19194
    17
   
mengj@19194
    18
  datatype mode = Auto | Fol | Hol
paulson@19450
    19
  val linkup_logic_mode : mode ref
mengj@19722
    20
  val write_subgoal_file: bool -> mode -> Proof.context -> thm list -> thm list -> int -> string
mengj@19194
    21
  val vampire_time: int ref
mengj@19194
    22
  val eprover_time: int ref
mengj@19722
    23
  val spass_time: int ref
mengj@19194
    24
  val run_vampire: int -> unit
mengj@19194
    25
  val run_eprover: int -> unit
mengj@19722
    26
  val run_spass: int -> unit
mengj@19194
    27
  val vampireLimit: unit -> int
mengj@19194
    28
  val eproverLimit: unit -> int
mengj@19722
    29
  val spassLimit: unit -> int
wenzelm@20289
    30
  val atp_method: (Proof.context -> thm list -> int -> tactic) ->
wenzelm@20289
    31
    Method.src -> Proof.context -> Proof.method
mengj@19194
    32
  val cond_rm_tmp: string -> unit
mengj@19194
    33
  val keep_atp_input: bool ref
mengj@19194
    34
  val fol_keep_types: bool ref
mengj@19194
    35
  val hol_full_types: unit -> unit
mengj@19194
    36
  val hol_partial_types: unit -> unit
mengj@19194
    37
  val hol_const_types_only: unit -> unit
mengj@19194
    38
  val hol_no_types: unit -> unit
mengj@19194
    39
  val hol_typ_level: unit -> ResHolClause.type_level
paulson@20246
    40
  val include_all: bool ref
mengj@19194
    41
  val run_relevance_filter: bool ref
mengj@19768
    42
  val run_blacklist_filter: bool ref
paulson@20372
    43
  val blacklist: string list ref
paulson@19894
    44
  val add_all : unit -> unit
mengj@19227
    45
  val add_claset : unit -> unit
mengj@19227
    46
  val add_simpset : unit -> unit
mengj@19227
    47
  val add_clasimp : unit -> unit
mengj@19227
    48
  val add_atpset : unit -> unit
paulson@19894
    49
  val rm_all : unit -> unit
mengj@19227
    50
  val rm_claset : unit -> unit
mengj@19227
    51
  val rm_simpset : unit -> unit
mengj@19227
    52
  val rm_atpset : unit -> unit
mengj@19227
    53
  val rm_clasimp : unit -> unit
paulson@15347
    54
end;
paulson@15347
    55
paulson@20457
    56
structure ResAtp =
paulson@15347
    57
struct
paulson@15347
    58
mengj@19194
    59
(********************************************************************)
mengj@19194
    60
(* some settings for both background automatic ATP calling procedure*)
mengj@19194
    61
(* and also explicit ATP invocation methods                         *)
mengj@19194
    62
(********************************************************************)
mengj@19194
    63
mengj@19194
    64
(*** background linkup ***)
mengj@19194
    65
val call_atp = ref false; 
quigley@17150
    66
val hook_count = ref 0;
paulson@20419
    67
val time_limit = ref 80;
paulson@17404
    68
val prover = ref "E";   (* use E as the default prover *)
paulson@17305
    69
val custom_spass =   (*specialized options for SPASS*)
paulson@17690
    70
      ref ["-Auto=0","-FullRed=0","-IORe","-IOFc","-RTaut","-RFSub","-RBSub"];
paulson@17484
    71
val destdir = ref "";   (*Empty means write files to /tmp*)
paulson@17484
    72
val problem_name = ref "prob";
paulson@17484
    73
paulson@17819
    74
(*Return the path to a "helper" like SPASS or tptp2X, first checking that
paulson@17819
    75
  it exists.  FIXME: modify to use Path primitives and move to some central place.*)  
paulson@17819
    76
fun helper_path evar base =
paulson@17819
    77
  case getenv evar of
paulson@17819
    78
      "" => error  ("Isabelle environment variable " ^ evar ^ " not defined")
paulson@17819
    79
    | home => 
paulson@17819
    80
        let val path = home ^ "/" ^ base
paulson@17819
    81
        in  if File.exists (File.unpack_platform_path path) then path 
paulson@17819
    82
	    else error ("Could not find the file " ^ path)
paulson@17819
    83
	end;  
paulson@17819
    84
paulson@17717
    85
fun probfile_nosuffix _ = 
paulson@17484
    86
  if !destdir = "" then File.platform_path (File.tmp_path (Path.basic (!problem_name)))
paulson@17484
    87
  else if File.exists (File.unpack_platform_path (!destdir))
paulson@17484
    88
  then !destdir ^ "/" ^ !problem_name
paulson@17484
    89
  else error ("No such directory: " ^ !destdir);
quigley@15644
    90
paulson@17717
    91
fun prob_pathname n = probfile_nosuffix n ^ "_" ^ Int.toString n;
paulson@17717
    92
mengj@19194
    93
mengj@19194
    94
(*** ATP methods ***)
mengj@19194
    95
val vampire_time = ref 60;
mengj@19194
    96
val eprover_time = ref 60;
mengj@19722
    97
val spass_time = ref 60;
mengj@19722
    98
mengj@19194
    99
fun run_vampire time =  
mengj@19194
   100
    if (time >0) then vampire_time:= time
mengj@19194
   101
    else vampire_time:=60;
mengj@19194
   102
mengj@19194
   103
fun run_eprover time = 
mengj@19194
   104
    if (time > 0) then eprover_time:= time
mengj@19194
   105
    else eprover_time:=60;
mengj@19194
   106
mengj@19722
   107
fun run_spass time = 
mengj@19722
   108
    if (time > 0) then spass_time:=time
mengj@19722
   109
    else spass_time:=60;
mengj@19722
   110
mengj@19722
   111
mengj@19194
   112
fun vampireLimit () = !vampire_time;
mengj@19194
   113
fun eproverLimit () = !eprover_time;
mengj@19722
   114
fun spassLimit () = !spass_time;
mengj@19194
   115
mengj@19194
   116
val keep_atp_input = ref false;
mengj@19194
   117
val fol_keep_types = ResClause.keep_types;
mengj@19194
   118
val hol_full_types = ResHolClause.full_types;
mengj@19194
   119
val hol_partial_types = ResHolClause.partial_types;
mengj@19194
   120
val hol_const_types_only = ResHolClause.const_types_only;
mengj@19194
   121
val hol_no_types = ResHolClause.no_types;
mengj@19194
   122
fun hol_typ_level () = ResHolClause.find_typ_level ();
mengj@19194
   123
fun is_typed_hol () = 
mengj@19194
   124
    let val tp_level = hol_typ_level()
mengj@19194
   125
    in
mengj@19194
   126
	not (tp_level = ResHolClause.T_NONE)
mengj@19194
   127
    end;
mengj@19194
   128
mengj@19194
   129
fun atp_input_file () =
mengj@19194
   130
    let val file = !problem_name 
mengj@19194
   131
    in
mengj@19194
   132
	if !destdir = "" then File.platform_path (File.tmp_path (Path.basic file))
mengj@19194
   133
	else if File.exists (File.unpack_platform_path (!destdir))
mengj@19194
   134
	then !destdir ^ "/" ^ file
mengj@19194
   135
	else error ("No such directory: " ^ !destdir)
mengj@19194
   136
    end;
mengj@19194
   137
paulson@19894
   138
val include_all = ref false;
mengj@19194
   139
val include_simpset = ref false;
mengj@19194
   140
val include_claset = ref false; 
mengj@19194
   141
val include_atpset = ref true;
paulson@20246
   142
paulson@20246
   143
(*Tests show that follow_defs gives VERY poor results with "include_all"*)
paulson@20246
   144
fun add_all() = (include_all:=true; ReduceAxiomsN.follow_defs := false);
paulson@20246
   145
fun rm_all() = include_all:=false;
paulson@20246
   146
paulson@20246
   147
fun add_simpset() = include_simpset:=true;
paulson@20246
   148
fun rm_simpset() = include_simpset:=false;
paulson@20246
   149
paulson@20246
   150
fun add_claset() = include_claset:=true;
paulson@20246
   151
fun rm_claset() = include_claset:=false;
paulson@20246
   152
paulson@20246
   153
fun add_clasimp() = (include_simpset:=true;include_claset:=true);
paulson@20246
   154
fun rm_clasimp() = (include_simpset:=false;include_claset:=false);
paulson@20246
   155
paulson@20246
   156
fun add_atpset() = include_atpset:=true;
paulson@20246
   157
fun rm_atpset() = include_atpset:=false;
mengj@19194
   158
mengj@19194
   159
mengj@19194
   160
(**** relevance filter ****)
paulson@20457
   161
val run_relevance_filter = ReduceAxiomsN.run_relevance_filter;
mengj@19768
   162
val run_blacklist_filter = ref true;
mengj@19194
   163
mengj@19194
   164
(******************************************************************)
mengj@19194
   165
(* detect whether a given problem (clauses) is FOL/HOL/HOLC/HOLCS *)
mengj@19194
   166
(******************************************************************)
mengj@19194
   167
mengj@19194
   168
datatype logic = FOL | HOL | HOLC | HOLCS;
mengj@19194
   169
mengj@19194
   170
fun string_of_logic FOL = "FOL"
mengj@19194
   171
  | string_of_logic HOL = "HOL"
mengj@19194
   172
  | string_of_logic HOLC = "HOLC"
mengj@19194
   173
  | string_of_logic HOLCS = "HOLCS";
mengj@19194
   174
mengj@19194
   175
fun is_fol_logic FOL = true
mengj@19194
   176
  | is_fol_logic  _ = false
mengj@19194
   177
mengj@19194
   178
(*HOLCS will not occur here*)
mengj@19194
   179
fun upgrade_lg HOLC _ = HOLC
mengj@19194
   180
  | upgrade_lg HOL HOLC = HOLC
mengj@19194
   181
  | upgrade_lg HOL _ = HOL
mengj@19194
   182
  | upgrade_lg FOL lg = lg; 
mengj@19194
   183
mengj@19194
   184
(* check types *)
mengj@19451
   185
fun has_bool_hfn (Type("bool",_)) = true
mengj@19451
   186
  | has_bool_hfn (Type("fun",_)) = true
mengj@19451
   187
  | has_bool_hfn (Type(_, Ts)) = exists has_bool_hfn Ts
mengj@19451
   188
  | has_bool_hfn _ = false;
mengj@19194
   189
mengj@19451
   190
fun is_hol_fn tp =
mengj@19194
   191
    let val (targs,tr) = strip_type tp
mengj@19194
   192
    in
mengj@19451
   193
	exists (has_bool_hfn) (tr::targs)
mengj@19194
   194
    end;
mengj@19194
   195
mengj@19451
   196
fun is_hol_pred tp =
mengj@19451
   197
    let val (targs,tr) = strip_type tp
mengj@19451
   198
    in
mengj@19451
   199
	exists (has_bool_hfn) targs
mengj@19451
   200
    end;
mengj@19194
   201
mengj@19194
   202
exception FN_LG of term;
mengj@19194
   203
mengj@19194
   204
fun fn_lg (t as Const(f,tp)) (lg,seen) = 
mengj@19451
   205
    if is_hol_fn tp then (upgrade_lg HOL lg, t ins seen) else (lg, t ins seen) 
mengj@19194
   206
  | fn_lg (t as Free(f,tp)) (lg,seen) = 
mengj@19451
   207
    if is_hol_fn tp then (upgrade_lg HOL lg, t ins seen) else (lg, t ins seen) 
mengj@19194
   208
  | fn_lg (t as Var(f,tp)) (lg,seen) =
mengj@19451
   209
    if is_hol_fn tp then (upgrade_lg HOL lg,t ins seen) else (lg,t ins seen)
mengj@19194
   210
  | fn_lg (t as Abs(_,_,_)) (lg,seen) = (upgrade_lg HOLC lg,t ins seen)
mengj@19194
   211
  | fn_lg f _ = raise FN_LG(f); 
mengj@19194
   212
mengj@19194
   213
mengj@19194
   214
fun term_lg [] (lg,seen) = (lg,seen)
mengj@19194
   215
  | term_lg (tm::tms) (FOL,seen) =
paulson@20457
   216
      let val (f,args) = strip_comb tm
paulson@20457
   217
	  val (lg',seen') = if f mem seen then (FOL,seen) 
paulson@20457
   218
			    else fn_lg f (FOL,seen)
paulson@20457
   219
      in
paulson@20457
   220
	if is_fol_logic lg' then ()
paulson@20457
   221
        else Output.debug ("Found a HOL term: " ^ Display.raw_string_of_term f);
paulson@20457
   222
        term_lg (args@tms) (lg',seen')
paulson@20457
   223
      end
mengj@19194
   224
  | term_lg _ (lg,seen) = (lg,seen)
mengj@19194
   225
mengj@19194
   226
exception PRED_LG of term;
mengj@19194
   227
mengj@19194
   228
fun pred_lg (t as Const(P,tp)) (lg,seen)= 
paulson@20457
   229
      if is_hol_pred tp then (upgrade_lg HOL lg, t ins seen) else (lg,t ins seen) 
mengj@19194
   230
  | pred_lg (t as Free(P,tp)) (lg,seen) =
paulson@20457
   231
      if is_hol_pred tp then (upgrade_lg HOL lg, t ins seen) else (lg,t ins seen)
mengj@19194
   232
  | pred_lg (t as Var(_,_)) (lg,seen) = (upgrade_lg HOL lg, t ins seen)
mengj@19194
   233
  | pred_lg P _ = raise PRED_LG(P);
mengj@19194
   234
mengj@19194
   235
mengj@19194
   236
fun lit_lg (Const("Not",_) $ P) (lg,seen) = lit_lg P (lg,seen)
mengj@19194
   237
  | lit_lg P (lg,seen) =
paulson@20457
   238
      let val (pred,args) = strip_comb P
paulson@20457
   239
	  val (lg',seen') = if pred mem seen then (lg,seen) 
paulson@20457
   240
			    else pred_lg pred (lg,seen)
paulson@20457
   241
      in
paulson@20457
   242
	if is_fol_logic lg' then ()
paulson@20457
   243
	else Output.debug ("Found a HOL predicate: " ^ Display.raw_string_of_term pred);
mengj@19194
   244
	term_lg args (lg',seen')
paulson@20457
   245
      end;
mengj@19194
   246
mengj@19194
   247
fun lits_lg [] (lg,seen) = (lg,seen)
mengj@19194
   248
  | lits_lg (lit::lits) (FOL,seen) =
paulson@20457
   249
      let val (lg,seen') = lit_lg lit (FOL,seen)
paulson@20457
   250
      in
paulson@20457
   251
	if is_fol_logic lg then ()
paulson@20457
   252
	else Output.debug ("Found a HOL literal: " ^ Display.raw_string_of_term lit);
mengj@19227
   253
	lits_lg lits (lg,seen')
paulson@20457
   254
      end
mengj@19194
   255
  | lits_lg lits (lg,seen) = (lg,seen);
mengj@19194
   256
mengj@19227
   257
fun dest_disj_aux (Const ("op |", _) $ t $ t') disjs = 
mengj@19227
   258
    dest_disj_aux t (dest_disj_aux t' disjs)
mengj@19227
   259
  | dest_disj_aux t disjs = t::disjs;
mengj@19227
   260
mengj@19227
   261
fun dest_disj t = dest_disj_aux t [];
mengj@19227
   262
mengj@19194
   263
fun logic_of_clause tm (lg,seen) =
mengj@19194
   264
    let val tm' = HOLogic.dest_Trueprop tm
mengj@19227
   265
	val disjs = dest_disj tm'
mengj@19194
   266
    in
mengj@19194
   267
	lits_lg disjs (lg,seen)
mengj@19194
   268
    end;
mengj@19194
   269
mengj@19194
   270
fun logic_of_clauses [] (lg,seen) = (lg,seen)
mengj@19194
   271
  | logic_of_clauses (cls::clss) (FOL,seen) =
mengj@19227
   272
    let val (lg,seen') = logic_of_clause cls (FOL,seen)
wenzelm@19641
   273
	val _ =
wenzelm@19641
   274
          if is_fol_logic lg then ()
paulson@19746
   275
          else Output.debug ("Found a HOL clause: " ^ Display.raw_string_of_term cls)
mengj@19227
   276
    in
mengj@19227
   277
	logic_of_clauses clss (lg,seen')
mengj@19227
   278
    end
mengj@19194
   279
  | logic_of_clauses (cls::clss) (lg,seen) = (lg,seen);
mengj@19194
   280
mengj@19194
   281
fun problem_logic_goals_aux [] (lg,seen) = lg
mengj@19194
   282
  | problem_logic_goals_aux (subgoal::subgoals) (lg,seen) = 
mengj@19194
   283
    problem_logic_goals_aux subgoals (logic_of_clauses subgoal (lg,seen));
mengj@19194
   284
    
mengj@19194
   285
fun problem_logic_goals subgoals = problem_logic_goals_aux subgoals (FOL,[]);
mengj@19194
   286
mengj@19768
   287
(***************************************************************)
mengj@19768
   288
(* Retrieving and filtering lemmas                             *)
mengj@19768
   289
(***************************************************************)
mengj@19768
   290
mengj@19768
   291
(*** white list and black list of lemmas ***)
mengj@19768
   292
mengj@19768
   293
(*The rule subsetI is frequently omitted by the relevance filter.*)
mengj@19768
   294
val whitelist = ref [subsetI]; 
mengj@19768
   295
paulson@20444
   296
(*Names of theorems and theorem lists to be banned. The final numeric suffix of
paulson@20444
   297
  theorem lists is first removed.
paulson@20444
   298
paulson@20444
   299
  These theorems typically produce clauses that are prolific (match too many equality or
mengj@19768
   300
  membership literals) and relate to seldom-used facts. Some duplicate other rules.
mengj@19768
   301
  FIXME: this blacklist needs to be maintained using theory data and added to using
mengj@19768
   302
  an attribute.*)
mengj@19768
   303
val blacklist = ref
paulson@20526
   304
  ["Datatype.prod.size",
paulson@20526
   305
   "Datatype.unit.induct", (*"unit" thms cause unsound proofs; unit.nchotomy is caught automatically*)
paulson@20372
   306
   "Datatype.unit.inducts",
paulson@20526
   307
   "Datatype.unit.split_asm", 
paulson@20372
   308
   "Datatype.unit.split",
paulson@20444
   309
   "Datatype.unit.splits",
mengj@19768
   310
   "Divides.dvd_0_left_iff",
mengj@19768
   311
   "Finite_Set.card_0_eq",
mengj@19768
   312
   "Finite_Set.card_infinite",
mengj@19768
   313
   "Finite_Set.Max_ge",
mengj@19768
   314
   "Finite_Set.Max_in",
mengj@19768
   315
   "Finite_Set.Max_le_iff",
mengj@19768
   316
   "Finite_Set.Max_less_iff",
mengj@19768
   317
   "Finite_Set.max.f_below_strict_below.below_f_conv", (*duplicates in Orderings.*)
mengj@19768
   318
   "Finite_Set.max.f_below_strict_below.strict_below_f_conv", (*duplicates in Orderings.*)
mengj@19768
   319
   "Finite_Set.Min_ge_iff",
mengj@19768
   320
   "Finite_Set.Min_gr_iff",
mengj@19768
   321
   "Finite_Set.Min_in",
mengj@19768
   322
   "Finite_Set.Min_le",
mengj@19768
   323
   "Finite_Set.min_max.below_inf_sup_Inf_Sup.inf_Sup_absorb", 
mengj@19768
   324
   "Finite_Set.min_max.below_inf_sup_Inf_Sup.sup_Inf_absorb", 
mengj@19768
   325
   "Finite_Set.min.f_below_strict_below.below_f_conv",        (*duplicates in Orderings.*)
mengj@19768
   326
   "Finite_Set.min.f_below_strict_below.strict_below_f_conv", (*duplicates in Orderings.*)
paulson@20526
   327
   "Fun.vimage_image_eq",   (*involves an existential quantifier*)
paulson@20526
   328
   "HOL.split_if_asm",     (*splitting theorem*)
paulson@20457
   329
   "HOL.split_if",         (*splitting theorem*)
paulson@20526
   330
   "IntDef.abs_split",
mengj@19768
   331
   "IntDef.Integ.Abs_Integ_inject",
mengj@19768
   332
   "IntDef.Integ.Abs_Integ_inverse",
mengj@19768
   333
   "IntDiv.zdvd_0_left",
mengj@19768
   334
   "List.append_eq_append_conv",
mengj@19768
   335
   "List.hd_Cons_tl",   (*Says everything is [] or Cons. Probably prolific.*)
mengj@19768
   336
   "List.in_listsD",
mengj@19768
   337
   "List.in_listsI",
mengj@19768
   338
   "List.lists.Cons",
mengj@19768
   339
   "List.listsE",
mengj@19768
   340
   "Nat.less_one", (*not directional? obscure*)
mengj@19768
   341
   "Nat.not_gr0",
mengj@19768
   342
   "Nat.one_eq_mult_iff", (*duplicate by symmetry*)
mengj@19768
   343
   "NatArith.of_nat_0_eq_iff",
mengj@19768
   344
   "NatArith.of_nat_eq_0_iff",
mengj@19768
   345
   "NatArith.of_nat_le_0_iff",
mengj@19768
   346
   "NatSimprocs.divide_le_0_iff_number_of",  (*too many clauses*)
mengj@19768
   347
   "NatSimprocs.divide_less_0_iff_number_of",
mengj@19768
   348
   "NatSimprocs.equation_minus_iff_1",  (*not directional*)
mengj@19768
   349
   "NatSimprocs.equation_minus_iff_number_of", (*not directional*)
mengj@19768
   350
   "NatSimprocs.le_minus_iff_1", (*not directional*)
mengj@19768
   351
   "NatSimprocs.le_minus_iff_number_of",  (*not directional*)
mengj@19768
   352
   "NatSimprocs.less_minus_iff_1", (*not directional*)
mengj@19768
   353
   "NatSimprocs.less_minus_iff_number_of", (*not directional*)
mengj@19768
   354
   "NatSimprocs.minus_equation_iff_number_of", (*not directional*)
mengj@19768
   355
   "NatSimprocs.minus_le_iff_1", (*not directional*)
mengj@19768
   356
   "NatSimprocs.minus_le_iff_number_of", (*not directional*)
mengj@19768
   357
   "NatSimprocs.minus_less_iff_1", (*not directional*)
mengj@19768
   358
   "NatSimprocs.mult_le_cancel_left_number_of", (*excessive case analysis*)
mengj@19768
   359
   "NatSimprocs.mult_le_cancel_right_number_of", (*excessive case analysis*)
mengj@19768
   360
   "NatSimprocs.mult_less_cancel_left_number_of", (*excessive case analysis*)
mengj@19768
   361
   "NatSimprocs.mult_less_cancel_right_number_of", (*excessive case analysis*)
mengj@19768
   362
   "NatSimprocs.zero_le_divide_iff_number_of", (*excessive case analysis*)
mengj@19768
   363
   "NatSimprocs.zero_less_divide_iff_number_of",
mengj@19768
   364
   "OrderedGroup.abs_0_eq", (*duplicate by symmetry*)
mengj@19768
   365
   "OrderedGroup.diff_eq_0_iff_eq", (*prolific?*)
mengj@19768
   366
   "OrderedGroup.join_0_eq_0",
mengj@19768
   367
   "OrderedGroup.meet_0_eq_0",
mengj@19768
   368
   "OrderedGroup.pprt_eq_0",   (*obscure*)
mengj@19768
   369
   "OrderedGroup.pprt_eq_id",   (*obscure*)
mengj@19768
   370
   "OrderedGroup.pprt_mono",   (*obscure*)
paulson@20526
   371
   "Orderings.split_max",      (*splitting theorem*)
paulson@20457
   372
   "Orderings.split_min",      (*splitting theorem*)
mengj@19768
   373
   "Parity.even_nat_power",   (*obscure, somewhat prolilfic*)
mengj@19768
   374
   "Parity.power_eq_0_iff_number_of",
mengj@19768
   375
   "Parity.power_le_zero_eq_number_of",   (*obscure and prolific*)
mengj@19768
   376
   "Parity.power_less_zero_eq_number_of",
mengj@19768
   377
   "Parity.zero_le_power_eq_number_of",   (*obscure and prolific*)
mengj@19768
   378
   "Parity.zero_less_power_eq_number_of",   (*obscure and prolific*)
mengj@19768
   379
   "Power.zero_less_power_abs_iff",
paulson@20526
   380
   "Product_Type.split_eta_SetCompr",   (*involves an existential quantifier*)
paulson@20457
   381
   "Product_Type.split_paired_Ball_Sigma",     (*splitting theorem*)
paulson@20457
   382
   "Product_Type.split_paired_Bex_Sigma",      (*splitting theorem*)
paulson@20526
   383
   "Product_Type.split_split_asm",             (*splitting theorem*)
paulson@20457
   384
   "Product_Type.split_split",                 (*splitting theorem*)
paulson@20526
   385
   "Product_Type.unit_abs_eta_conv",
paulson@20526
   386
   "Product_Type.unit_induct",
mengj@19768
   387
   "Relation.diagI",
paulson@20526
   388
   "Relation.Domain_def",   (*involves an existential quantifier*)
paulson@20526
   389
   "Relation.Image_def",   (*involves an existential quantifier*)
mengj@19768
   390
   "Relation.ImageI",
mengj@19768
   391
   "Ring_and_Field.divide_cancel_left", (*fields are seldom used & often prolific*)
mengj@19768
   392
   "Ring_and_Field.divide_cancel_right",
mengj@19768
   393
   "Ring_and_Field.divide_divide_eq_left",
mengj@19768
   394
   "Ring_and_Field.divide_divide_eq_right",
mengj@19768
   395
   "Ring_and_Field.divide_eq_0_iff",
mengj@19768
   396
   "Ring_and_Field.divide_eq_1_iff",
mengj@19768
   397
   "Ring_and_Field.divide_eq_eq_1",
mengj@19768
   398
   "Ring_and_Field.divide_le_0_1_iff",
mengj@19768
   399
   "Ring_and_Field.divide_le_eq_1_neg",  (*obscure and prolific*)
mengj@19768
   400
   "Ring_and_Field.divide_le_eq_1_pos",  (*obscure and prolific*)
mengj@19768
   401
   "Ring_and_Field.divide_less_0_1_iff",
mengj@19768
   402
   "Ring_and_Field.divide_less_eq_1_neg",  (*obscure and prolific*)
mengj@19768
   403
   "Ring_and_Field.divide_less_eq_1_pos",  (*obscure and prolific*)
mengj@19768
   404
   "Ring_and_Field.eq_divide_eq_1", (*duplicate by symmetry*)
mengj@19768
   405
   "Ring_and_Field.field_mult_cancel_left",
mengj@19768
   406
   "Ring_and_Field.field_mult_cancel_right",
mengj@19768
   407
   "Ring_and_Field.inverse_le_iff_le_neg",
mengj@19768
   408
   "Ring_and_Field.inverse_le_iff_le",
mengj@19768
   409
   "Ring_and_Field.inverse_less_iff_less_neg",
mengj@19768
   410
   "Ring_and_Field.inverse_less_iff_less",
mengj@19768
   411
   "Ring_and_Field.le_divide_eq_1_neg", (*obscure and prolific*)
mengj@19768
   412
   "Ring_and_Field.le_divide_eq_1_pos", (*obscure and prolific*)
mengj@19768
   413
   "Ring_and_Field.less_divide_eq_1_neg", (*obscure and prolific*)
mengj@19768
   414
   "Ring_and_Field.less_divide_eq_1_pos", (*obscure and prolific*)
mengj@19768
   415
   "Ring_and_Field.one_eq_divide_iff",  (*duplicate by symmetry*)
paulson@20444
   416
   "Set.ball_simps", "Set.bex_simps",   (*quantifier rewriting: useless*)
paulson@20526
   417
   "Set.Collect_bex_eq",   (*involves an existential quantifier*)
paulson@20526
   418
   "Set.Collect_ex_eq",   (*involves an existential quantifier*)
mengj@19768
   419
   "Set.Diff_eq_empty_iff", (*redundant with paramodulation*)
mengj@19768
   420
   "Set.Diff_insert0",
paulson@20526
   421
   "Set.disjoint_insert",
paulson@20526
   422
   "Set.empty_Union_conv",   (*redundant with paramodulation*)
paulson@20526
   423
   "Set.full_SetCompr_eq",   (*involves an existential quantifier*)
paulson@20526
   424
   "Set.image_Collect",      (*involves an existential quantifier*)
paulson@20526
   425
   "Set.image_def",          (*involves an existential quantifier*)
paulson@20526
   426
   "Set.insert_disjoint",
paulson@20526
   427
   "Set.Int_UNIV",  (*redundant with paramodulation*)
paulson@20526
   428
   "Set.Inter_iff", (*We already have InterI, InterE*)
paulson@20526
   429
   "Set.Inter_UNIV_conv",
mengj@19768
   430
   "Set.psubsetE",    (*too prolific and obscure*)
mengj@19768
   431
   "Set.psubsetI",
mengj@19768
   432
   "Set.singleton_insert_inj_eq'",
mengj@19768
   433
   "Set.singleton_insert_inj_eq",
mengj@19768
   434
   "Set.singletonD",  (*these two duplicate some "insert" lemmas*)
mengj@19768
   435
   "Set.singletonI",
mengj@19768
   436
   "Set.Un_empty", (*redundant with paramodulation*)
paulson@20526
   437
   "Set.UNION_def",   (*involves an existential quantifier*)
mengj@19768
   438
   "Set.Union_empty_conv", (*redundant with paramodulation*)
mengj@19768
   439
   "Set.Union_iff",              (*We already have UnionI, UnionE*)
mengj@19768
   440
   "SetInterval.atLeastAtMost_iff", (*obscure and prolific*)
mengj@19768
   441
   "SetInterval.atLeastLessThan_iff", (*obscure and prolific*)
mengj@19768
   442
   "SetInterval.greaterThanAtMost_iff", (*obscure and prolific*)
mengj@19768
   443
   "SetInterval.greaterThanLessThan_iff", (*obscure and prolific*)
mengj@19768
   444
   "SetInterval.ivl_subset"];  (*excessive case analysis*)
mengj@19768
   445
mengj@19768
   446
mengj@19768
   447
(*These might be prolific but are probably OK, and min and max are basic.
mengj@19768
   448
   "Orderings.max_less_iff_conj", 
mengj@19768
   449
   "Orderings.min_less_iff_conj",
mengj@19768
   450
   "Orderings.min_max.below_inf.below_inf_conv",
mengj@19768
   451
   "Orderings.min_max.below_sup.above_sup_conv",
mengj@19768
   452
Very prolific and somewhat obscure:
mengj@19768
   453
   "Set.InterD",
mengj@19768
   454
   "Set.UnionI",
mengj@19768
   455
*)
mengj@19768
   456
mengj@19768
   457
(*** retrieve lemmas from clasimpset and atpset, may filter them ***)
mengj@19768
   458
mengj@19768
   459
fun fake_thm_name th = 
paulson@20457
   460
    Context.theory_name (theory_of_thm th) ^ "." ^ gensym"";
mengj@19768
   461
mengj@19768
   462
fun put_name_pair ("",th) = (fake_thm_name th, th)
mengj@19768
   463
  | put_name_pair (a,th)  = (a,th);
mengj@19768
   464
mengj@19768
   465
(*Hashing to detect duplicate and variant clauses, e.g. from the [iff] attribute*)
mengj@19768
   466
mengj@19768
   467
exception HASH_CLAUSE and HASH_STRING;
mengj@19768
   468
mengj@19768
   469
(*Catches (for deletion) theorems automatically generated from other theorems*)
mengj@19768
   470
fun insert_suffixed_names ht x = 
mengj@19768
   471
     (Polyhash.insert ht (x^"_iff1", ()); 
mengj@19768
   472
      Polyhash.insert ht (x^"_iff2", ()); 
mengj@19768
   473
      Polyhash.insert ht (x^"_dest", ())); 
mengj@19768
   474
paulson@20444
   475
(*Are all characters in this string digits?*)
paulson@20444
   476
fun all_numeric s = null (String.tokens Char.isDigit s);
paulson@20444
   477
paulson@20444
   478
(*Delete a suffix of the form _\d+*)
paulson@20444
   479
fun delete_numeric_suffix s =
paulson@20444
   480
  case rev (String.fields (fn c => c = #"_") s) of
paulson@20444
   481
      last::rest => 
paulson@20444
   482
          if all_numeric last 
webertj@20446
   483
          then [s, space_implode "_" (rev rest)]
paulson@20444
   484
          else [s]
paulson@20444
   485
    | [] => [s];
paulson@20444
   486
paulson@20457
   487
fun banned_thmlist s =
paulson@20457
   488
  (Sign.base_name s) mem_string ["induct","inducts","split","splits","split_asm"];
paulson@20457
   489
mengj@19768
   490
fun make_banned_test xs = 
mengj@19768
   491
  let val ht = Polyhash.mkTable (Polyhash.hash_string, op =)
mengj@19768
   492
                                (6000, HASH_STRING)
paulson@20457
   493
      fun banned_aux s = isSome (Polyhash.peek ht s) orelse banned_thmlist s
paulson@20457
   494
      fun banned s = exists banned_aux (delete_numeric_suffix s)
mengj@19768
   495
  in  app (fn x => Polyhash.insert ht (x,())) (!blacklist);
mengj@19768
   496
      app (insert_suffixed_names ht) (!blacklist @ xs); 
mengj@19768
   497
      banned
mengj@19768
   498
  end;
mengj@19768
   499
mengj@19768
   500
(** a hash function from Term.term to int, and also a hash table **)
mengj@19768
   501
val xor_words = List.foldl Word.xorb 0w0;
mengj@19768
   502
mengj@19768
   503
fun hashw_term ((Const(c,_)), w) = Polyhash.hashw_string (c,w)
mengj@19768
   504
  | hashw_term ((Free(_,_)), w) = w
mengj@19768
   505
  | hashw_term ((Var(_,_)), w) = w
mengj@19768
   506
  | hashw_term ((Bound _), w) = w
mengj@19768
   507
  | hashw_term ((Abs(_,_,t)), w) = hashw_term (t, w)
mengj@19768
   508
  | hashw_term ((P$Q), w) = hashw_term (Q, (hashw_term (P, w)));
mengj@19768
   509
mengj@19768
   510
fun hashw_pred (P,w) = 
mengj@19768
   511
    let val (p,args) = strip_comb P
mengj@19768
   512
    in
mengj@19768
   513
	List.foldl hashw_term w (p::args)
mengj@19768
   514
    end;
mengj@19768
   515
mengj@19768
   516
fun hash_literal (Const("Not",_)$P) = Word.notb(hashw_pred(P,0w0))
mengj@19768
   517
  | hash_literal P = hashw_pred(P,0w0);
mengj@19768
   518
mengj@19768
   519
mengj@19768
   520
fun get_literals (Const("Trueprop",_)$P) lits = get_literals P lits
mengj@19768
   521
  | get_literals (Const("op |",_)$P$Q) lits = get_literals Q (get_literals P lits)
mengj@19768
   522
  | get_literals lit lits = (lit::lits);
mengj@19768
   523
mengj@19768
   524
paulson@20457
   525
fun hash_term t = Word.toIntX (xor_words (map hash_literal (get_literals t [])));
mengj@19768
   526
mengj@19768
   527
fun equal_thm (thm1,thm2) = Term.aconv(prop_of thm1, prop_of thm2);
paulson@20457
   528
mengj@19768
   529
(*Create a hash table for clauses, of the given size*)
mengj@19768
   530
fun mk_clause_table n =
paulson@20457
   531
      Polyhash.mkTable (hash_term o prop_of, equal_thm)
mengj@19768
   532
                       (n, HASH_CLAUSE);
mengj@19768
   533
paulson@20457
   534
(*Use a hash table to eliminate duplicates from xs. Argument is a list of
paulson@20457
   535
  (name, theorem) pairs, but the theorems are hashed into the table. *)
paulson@20457
   536
fun make_unique xs = 
paulson@20457
   537
  let val ht = mk_clause_table 2200
paulson@20457
   538
  in
paulson@20457
   539
      (app (ignore o Polyhash.peekInsert ht) (map swap xs);  
paulson@20457
   540
       map swap (Polyhash.listItems ht))
paulson@20457
   541
  end;
mengj@19768
   542
paulson@20457
   543
(*FIXME: SLOW!!!*)
paulson@20022
   544
fun mem_thm th [] = false
paulson@20022
   545
  | mem_thm th ((th',_)::thms_names) = equal_thm (th,th') orelse mem_thm th thms_names;
mengj@19768
   546
paulson@20457
   547
(*FIXME: SLOW!!! These two functions are called only by get_relevant_clauses.
paulson@20457
   548
  It would be faster to compare names, rather than theorems, and to use
paulson@20457
   549
  a symbol table or hash table.*)
mengj@19768
   550
fun insert_thms [] thms_names = thms_names
mengj@19768
   551
  | insert_thms ((thm,name)::thms_names) thms_names' =
mengj@19768
   552
      if mem_thm thm thms_names' then insert_thms thms_names thms_names' 
mengj@19768
   553
      else insert_thms thms_names ((thm,name)::thms_names');
mengj@19768
   554
paulson@20457
   555
(* filter axiom clauses, but keep supplied clauses and clauses in whitelist *)
paulson@20457
   556
fun get_relevant_clauses thy cls_thms white_cls goals =
paulson@20457
   557
  insert_thms white_cls (ReduceAxiomsN.relevance_filter thy cls_thms goals);
paulson@20457
   558
paulson@20457
   559
mengj@19768
   560
fun display_thms [] = ()
mengj@19768
   561
  | display_thms ((name,thm)::nthms) = 
mengj@19768
   562
      let val nthm = name ^ ": " ^ (string_of_thm thm)
mengj@19768
   563
      in Output.debug nthm; display_thms nthms  end;
mengj@19768
   564
 
paulson@19894
   565
fun all_facts_of ctxt =
paulson@19894
   566
  FactIndex.find (ProofContext.fact_index_of ctxt) ([], [])
paulson@19894
   567
  |> maps #2 |> map (`Thm.name_of_thm);
paulson@19894
   568
mengj@19768
   569
(* get lemmas from claset, simpset, atpset and extra supplied rules *)
mengj@19768
   570
fun get_clasimp_atp_lemmas ctxt user_thms = 
paulson@19894
   571
  let val included_thms =
paulson@19894
   572
	if !include_all 
paulson@20457
   573
	then (tap (fn ths => Output.debug
paulson@20457
   574
	             ("Including all " ^ Int.toString (length ths) ^ " theorems")) 
paulson@19894
   575
	          (all_facts_of ctxt @ PureThy.all_thms_of (ProofContext.theory_of ctxt)))
paulson@19894
   576
	else 
paulson@19894
   577
	let val claset_thms =
paulson@19894
   578
		if !include_claset then ResAxioms.claset_rules_of_ctxt ctxt
paulson@19894
   579
		else []
paulson@19894
   580
	    val simpset_thms = 
paulson@19894
   581
		if !include_simpset then ResAxioms.simpset_rules_of_ctxt ctxt
paulson@19894
   582
		else []
paulson@19894
   583
	    val atpset_thms =
paulson@19894
   584
		if !include_atpset then ResAxioms.atpset_rules_of_ctxt ctxt
paulson@19894
   585
		else []
paulson@19894
   586
	    val _ = if !Output.show_debug_msgs 
paulson@19894
   587
		    then (Output.debug "ATP theorems: "; display_thms atpset_thms) 
paulson@19894
   588
		    else ()		 
paulson@19894
   589
	in  claset_thms @ simpset_thms @ atpset_thms  end
paulson@19894
   590
      val user_rules = map (put_name_pair o ResAxioms.pairname)
paulson@19894
   591
			   (if null user_thms then !whitelist else user_thms)
paulson@19894
   592
  in
paulson@19894
   593
      (map put_name_pair included_thms, user_rules)
paulson@19894
   594
  end;
mengj@19768
   595
paulson@20457
   596
(*Remove lemmas that are banned from the backlist. Also remove duplicates. *)
mengj@19768
   597
fun blacklist_filter thms = 
paulson@19894
   598
  if !run_blacklist_filter then 
paulson@19894
   599
      let val banned = make_banned_test (map #1 thms)
paulson@19894
   600
	  fun ok (a,_) = not (banned a)
paulson@19894
   601
      in  filter ok thms  end
paulson@19894
   602
  else thms;
mengj@19768
   603
paulson@20526
   604
mengj@19194
   605
(***************************************************************)
mengj@19194
   606
(* ATP invocation methods setup                                *)
mengj@19194
   607
(***************************************************************)
mengj@19194
   608
mengj@19194
   609
fun cnf_hyps_thms ctxt = 
wenzelm@20224
   610
    let val ths = Assumption.prems_of ctxt
wenzelm@19617
   611
    in fold (fold (insert Thm.eq_thm) o ResAxioms.skolem_thm) ths [] end;
mengj@19194
   612
paulson@20526
   613
(*Translation mode can be auto-detected, or forced to be first-order or higher-order*)
mengj@19194
   614
datatype mode = Auto | Fol | Hol;
mengj@19194
   615
paulson@19450
   616
val linkup_logic_mode = ref Auto;
paulson@19205
   617
paulson@20526
   618
(*Ensures that no higher-order theorems "leak out"*)
paulson@20526
   619
fun restrict_to_logic logic cls =
wenzelm@20532
   620
  if is_fol_logic logic then filter (Meson.is_fol_term o prop_of o fst) cls 
paulson@20526
   621
	                else cls;
paulson@20526
   622
mengj@20131
   623
fun tptp_writer logic goals filename (axioms,classrels,arities) user_lemmas =
paulson@19445
   624
    if is_fol_logic logic 
paulson@19445
   625
    then ResClause.tptp_write_file goals filename (axioms, classrels, arities)
mengj@20131
   626
    else ResHolClause.tptp_write_file goals filename (axioms, classrels, arities) user_lemmas;
paulson@19445
   627
mengj@20131
   628
fun dfg_writer logic goals filename (axioms,classrels,arities) user_lemmas =
paulson@19445
   629
    if is_fol_logic logic 
paulson@19445
   630
    then ResClause.dfg_write_file goals filename (axioms, classrels, arities)
mengj@20131
   631
    else ResHolClause.dfg_write_file goals filename (axioms, classrels, arities) user_lemmas;
mengj@19194
   632
paulson@20022
   633
(*Called by the oracle-based methods declared in res_atp_methods.ML*)
mengj@19722
   634
fun write_subgoal_file dfg mode ctxt conjectures user_thms n =
mengj@19442
   635
    let val conj_cls = make_clauses conjectures 
paulson@20444
   636
                         |> ResAxioms.assume_abstract_list |> Meson.finish_cnf
mengj@19442
   637
	val hyp_cls = cnf_hyps_thms ctxt
mengj@19194
   638
	val goal_cls = conj_cls@hyp_cls
paulson@20526
   639
	val logic = case mode of 
paulson@20526
   640
                            Auto => problem_logic_goals [map prop_of goal_cls]
paulson@20526
   641
			  | Fol => FOL
paulson@20526
   642
			  | Hol => HOL
paulson@19894
   643
	val (included_thms,user_rules) = get_clasimp_atp_lemmas ctxt user_thms
mengj@20131
   644
	val user_lemmas_names = map #1 user_rules
paulson@20457
   645
	val cla_simp_atp_clauses = included_thms |> blacklist_filter
paulson@20457
   646
	                             |> make_unique |> ResAxioms.cnf_rules_pairs
paulson@20526
   647
                                     |> restrict_to_logic logic 
mengj@19768
   648
	val user_cls = ResAxioms.cnf_rules_pairs user_rules
paulson@20457
   649
	val thy = ProofContext.theory_of ctxt
paulson@20457
   650
	val axclauses = get_relevant_clauses thy cla_simp_atp_clauses
paulson@20022
   651
	                            user_cls (map prop_of goal_cls)
paulson@20526
   652
	val keep_types = if is_fol_logic logic then !fol_keep_types else is_typed_hol ()
mengj@19194
   653
	val classrel_clauses = if keep_types then ResClause.classrel_clauses_thy thy else []
mengj@19194
   654
	val arity_clauses = if keep_types then ResClause.arity_clause_thy thy else []
mengj@19722
   655
        val writer = if dfg then dfg_writer else tptp_writer 
mengj@19194
   656
	val file = atp_input_file()
mengj@19194
   657
    in
paulson@20526
   658
	(writer logic goal_cls file (axclauses,classrel_clauses,arity_clauses) user_lemmas_names;
paulson@19746
   659
	 Output.debug ("Writing to " ^ file);
mengj@19194
   660
	 file)
mengj@19194
   661
    end;
mengj@19194
   662
mengj@19194
   663
mengj@19194
   664
(**** remove tmp files ****)
mengj@19194
   665
fun cond_rm_tmp file = 
paulson@19746
   666
    if !keep_atp_input then Output.debug "ATP input kept..." 
paulson@19746
   667
    else if !destdir <> "" then Output.debug ("ATP input kept in directory " ^ (!destdir))
paulson@19746
   668
    else (Output.debug "deleting ATP inputs..."; OS.FileSys.remove file);
mengj@19194
   669
mengj@19194
   670
mengj@19194
   671
(****** setup ATPs as Isabelle methods ******)
mengj@19194
   672
fun atp_meth' tac ths ctxt = 
mengj@19194
   673
    Method.SIMPLE_METHOD' HEADGOAL
mengj@19194
   674
    (tac ctxt ths);
mengj@19194
   675
mengj@19194
   676
fun atp_meth tac ths ctxt = 
mengj@19194
   677
    let val thy = ProofContext.theory_of ctxt
mengj@19194
   678
	val _ = ResClause.init thy
mengj@19194
   679
	val _ = ResHolClause.init thy
mengj@19194
   680
    in
mengj@19194
   681
	atp_meth' tac ths ctxt
mengj@19194
   682
    end;
mengj@19194
   683
mengj@19194
   684
fun atp_method tac = Method.thms_ctxt_args (atp_meth tac);
mengj@19194
   685
mengj@19194
   686
(***************************************************************)
mengj@19194
   687
(* automatic ATP invocation                                    *)
mengj@19194
   688
(***************************************************************)
mengj@19194
   689
paulson@17306
   690
(* call prover with settings and problem file for the current subgoal *)
paulson@17764
   691
fun watcher_call_provers sign sg_terms (childin, childout, pid) =
wenzelm@16802
   692
  let
paulson@17422
   693
    fun make_atp_list [] n = []
paulson@17717
   694
      | make_atp_list (sg_term::xs) n =
wenzelm@16802
   695
          let
paulson@17717
   696
            val probfile = prob_pathname n
paulson@17690
   697
            val time = Int.toString (!time_limit)
wenzelm@16802
   698
          in
wenzelm@18680
   699
            Output.debug ("problem file in watcher_call_provers is " ^ probfile);
paulson@17764
   700
            (*options are separated by Watcher.setting_sep, currently #"%"*)
paulson@17306
   701
            if !prover = "spass"
wenzelm@16802
   702
            then
paulson@19445
   703
              let val spass = helper_path "SPASS_HOME" "SPASS"
paulson@19445
   704
                  val sopts =
paulson@19445
   705
   "-Auto%-SOS=1%-PGiven=0%-PProblem=0%-Splits=0%-FullRed=0%-DocProof%-TimeLimit=" ^ time
paulson@19445
   706
              in 
paulson@19445
   707
                  ("spass", spass, sopts, probfile) :: make_atp_list xs (n+1)
wenzelm@16802
   708
              end
paulson@17306
   709
            else if !prover = "vampire"
quigley@17235
   710
	    then 
paulson@17819
   711
              let val vampire = helper_path "VAMPIRE_HOME" "vampire"
paulson@19445
   712
                  val casc = if !time_limit > 70 then "--mode casc%" else ""
paulson@19445
   713
                  val vopts = casc ^ "-m 100000%-t " ^ time
wenzelm@16802
   714
              in
paulson@19445
   715
                  ("vampire", vampire, vopts, probfile) :: make_atp_list xs (n+1)
wenzelm@16802
   716
              end
paulson@17306
   717
      	     else if !prover = "E"
paulson@17306
   718
      	     then
paulson@17819
   719
	       let val Eprover = helper_path "E_HOME" "eproof"
paulson@17306
   720
	       in
paulson@19445
   721
		  ("E", Eprover, 
paulson@19744
   722
		     "--tptp-in%-l5%-xAuto%-tAuto%--silent%--cpu-limit=" ^ time, probfile) ::
paulson@19445
   723
		   make_atp_list xs (n+1)
paulson@17306
   724
	       end
paulson@17306
   725
	     else error ("Invalid prover name: " ^ !prover)
wenzelm@16802
   726
          end
paulson@15452
   727
paulson@17422
   728
    val atp_list = make_atp_list sg_terms 1
wenzelm@16802
   729
  in
wenzelm@16802
   730
    Watcher.callResProvers(childout,atp_list);
wenzelm@18680
   731
    Output.debug "Sent commands to watcher!"
wenzelm@16802
   732
  end
paulson@20022
   733
  
paulson@20022
   734
fun trace_array fname =
paulson@20022
   735
  let val path = File.tmp_path (Path.basic fname)
paulson@20022
   736
  in  Array.app (File.append path o (fn s => s ^ "\n"))  end;
quigley@16357
   737
paulson@20457
   738
(*Converting a subgoal into negated conjecture clauses*)
paulson@20457
   739
fun neg_clauses th n =
paulson@20457
   740
  let val tacs = [rtac ccontr, ObjectLogic.atomize_tac, skolemize_tac]
paulson@20457
   741
      val st = Seq.hd (EVERY' tacs n th)
paulson@20457
   742
      val negs = Option.valOf (metahyps_thms n st)
paulson@20457
   743
  in make_clauses negs |> ResAxioms.assume_abstract_list |> Meson.finish_cnf end;
paulson@20457
   744
		                       
paulson@20022
   745
(*We write out problem files for each subgoal. Argument probfile generates filenames,
paulson@18986
   746
  and allows the suppression of the suffix "_1" in problem-generation mode.
paulson@18986
   747
  FIXME: does not cope with &&, and it isn't easy because one could have multiple
paulson@18986
   748
  subgoals, each involving &&.*)
paulson@20022
   749
fun write_problem_files probfile (ctxt,th)  =
paulson@18753
   750
  let val goals = Thm.prems_of th
mengj@19194
   751
      val _ = Output.debug ("number of subgoals = " ^ Int.toString (length goals))
paulson@17717
   752
      val thy = ProofContext.theory_of ctxt
paulson@20457
   753
      fun get_neg_subgoals [] _ = []
paulson@20526
   754
        | get_neg_subgoals (gl::gls) n = neg_clauses th n :: get_neg_subgoals gls (n+1)
paulson@20526
   755
      val goal_cls = get_neg_subgoals goals 1
paulson@20457
   756
      val logic = case !linkup_logic_mode of
paulson@20526
   757
		Auto => problem_logic_goals (map ((map prop_of)) goal_cls)
paulson@20457
   758
	      | Fol => FOL
paulson@20457
   759
	      | Hol => HOL
paulson@20526
   760
      val (included_thms,white_thms) = get_clasimp_atp_lemmas ctxt []
paulson@20526
   761
      val included_cls = included_thms |> blacklist_filter
paulson@20526
   762
                                       |> make_unique |> ResAxioms.cnf_rules_pairs 
paulson@20526
   763
                                       |> restrict_to_logic logic 
paulson@20526
   764
      val white_cls = ResAxioms.cnf_rules_pairs white_thms
paulson@20526
   765
      (*clauses relevant to goal gl*)
paulson@20526
   766
      val axcls_list = map (fn gl => get_relevant_clauses thy included_cls white_cls [gl])
paulson@20526
   767
                           goals
paulson@20526
   768
      val _ = Output.debug ("clauses = " ^ Int.toString(length included_cls))
paulson@20457
   769
      val keep_types = if is_fol_logic logic then !ResClause.keep_types 
paulson@20457
   770
                       else is_typed_hol ()
paulson@20457
   771
      val classrel_clauses = if keep_types then ResClause.classrel_clauses_thy thy
paulson@20457
   772
                             else []
paulson@20457
   773
      val _ = Output.debug ("classrel clauses = " ^ 
paulson@20457
   774
                            Int.toString (length classrel_clauses))
paulson@20457
   775
      val arity_clauses = if keep_types then ResClause.arity_clause_thy thy 
paulson@20457
   776
                          else []
wenzelm@18680
   777
      val _ = Output.debug ("arity clauses = " ^ Int.toString (length arity_clauses))
mengj@19718
   778
      val writer = if !prover = "spass" then dfg_writer else tptp_writer 
paulson@20526
   779
      fun write_all [] [] _ = []
paulson@20526
   780
	| write_all (ccls::ccls_list) (axcls::axcls_list) k =
paulson@20457
   781
	   (writer logic ccls (probfile k) (axcls,classrel_clauses,arity_clauses) [],
paulson@20457
   782
	    probfile k) 
paulson@20526
   783
	   :: write_all ccls_list axcls_list (k+1)
paulson@20526
   784
      val (clnames::_, filenames) = ListPair.unzip (write_all goal_cls axcls_list 1)
paulson@20022
   785
      val thm_names = Array.fromList clnames
paulson@20022
   786
      val _ = if !Output.show_debug_msgs 
paulson@20022
   787
              then trace_array "thm_names" thm_names else ()
mengj@19194
   788
  in
paulson@20022
   789
      (filenames, thm_names)
mengj@19194
   790
  end;
quigley@15644
   791
paulson@17775
   792
val last_watcher_pid = ref (NONE : (TextIO.instream * TextIO.outstream * 
paulson@17775
   793
                                    Posix.Process.pid * string list) option);
paulson@17775
   794
paulson@17775
   795
fun kill_last_watcher () =
paulson@17775
   796
    (case !last_watcher_pid of 
paulson@17775
   797
         NONE => ()
paulson@19445
   798
       | SOME (_, _, pid, files) => 
wenzelm@18680
   799
	  (Output.debug ("Killing old watcher, pid = " ^ string_of_pid pid);
paulson@17775
   800
	   Watcher.killWatcher pid;  
paulson@17775
   801
	   ignore (map (try OS.FileSys.remove) files)))
wenzelm@18680
   802
     handle OS.SysErr _ => Output.debug "Attempt to kill watcher failed";
paulson@17525
   803
paulson@17525
   804
(*writes out the current clasimpset to a tptp file;
paulson@17525
   805
  turns off xsymbol at start of function, restoring it at end    *)
paulson@17484
   806
val isar_atp = setmp print_mode [] 
paulson@17717
   807
 (fn (ctxt, th) =>
paulson@17717
   808
  if Thm.no_prems th then ()
wenzelm@16802
   809
  else
wenzelm@16802
   810
    let
paulson@17775
   811
      val _ = kill_last_watcher()
paulson@19675
   812
      val (files,thm_names) = write_problem_files prob_pathname (ctxt,th)
paulson@19675
   813
      val (childin, childout, pid) = Watcher.createWatcher (th, thm_names)
paulson@15608
   814
    in
paulson@17772
   815
      last_watcher_pid := SOME (childin, childout, pid, files);
wenzelm@18680
   816
      Output.debug ("problem files: " ^ space_implode ", " files); 
wenzelm@18680
   817
      Output.debug ("pid: " ^ string_of_pid pid);
paulson@17717
   818
      watcher_call_provers (sign_of_thm th) (Thm.prems_of th) (childin, childout, pid)
wenzelm@16802
   819
    end);
paulson@15608
   820
paulson@17422
   821
val isar_atp_writeonly = setmp print_mode [] 
paulson@17717
   822
      (fn (ctxt,th) =>
paulson@17717
   823
       if Thm.no_prems th then ()
paulson@17717
   824
       else 
paulson@20022
   825
         let val probfile = if Thm.nprems_of th = 1 then probfile_nosuffix 
paulson@20022
   826
          	            else prob_pathname
paulson@20022
   827
         in ignore (write_problem_files probfile (ctxt,th)) end);
paulson@15452
   828
quigley@16357
   829
wenzelm@16802
   830
(** the Isar toplevel hook **)
wenzelm@16802
   831
paulson@19205
   832
fun invoke_atp_ml (ctxt, goal) =
paulson@19205
   833
  let val thy = ProofContext.theory_of ctxt;
wenzelm@16802
   834
  in
wenzelm@18680
   835
    Output.debug ("subgoals in isar_atp:\n" ^ 
paulson@19205
   836
		  Pretty.string_of (ProofContext.pretty_term ctxt
paulson@19205
   837
		    (Logic.mk_conjunction_list (Thm.prems_of goal))));
wenzelm@18680
   838
    Output.debug ("current theory: " ^ Context.theory_name thy);
paulson@20419
   839
    inc hook_count;
wenzelm@18680
   840
    Output.debug ("in hook for time: " ^ Int.toString (!hook_count));
paulson@16925
   841
    ResClause.init thy;
mengj@19194
   842
    ResHolClause.init thy;
paulson@17690
   843
    if !destdir = "" andalso !time_limit > 0 then isar_atp (ctxt, goal)
paulson@17502
   844
    else isar_atp_writeonly (ctxt, goal)
paulson@19205
   845
  end;
paulson@19205
   846
paulson@19205
   847
val invoke_atp = Toplevel.no_timing o Toplevel.unknown_proof o Toplevel.keep
paulson@19205
   848
 (fn state =>
paulson@19205
   849
  let val (ctxt, (_, goal)) = Proof.get_goal (Toplevel.proof_of state)
paulson@19205
   850
  in  invoke_atp_ml (ctxt, goal)  end);
quigley@16357
   851
paulson@17091
   852
val call_atpP =
paulson@17746
   853
  OuterSyntax.command 
paulson@17091
   854
    "ProofGeneral.call_atp" 
paulson@17091
   855
    "call automatic theorem provers" 
paulson@17091
   856
    OuterKeyword.diag
paulson@19205
   857
    (Scan.succeed invoke_atp);
paulson@17091
   858
paulson@17091
   859
val _ = OuterSyntax.add_parsers [call_atpP];
paulson@17091
   860
paulson@15347
   861
end;