src/HOL/Tools/ATP/atp_systems.ML
author blanchet
Tue Dec 21 03:56:51 2010 +0100 (2010-12-21)
changeset 41335 66edbd0f7a2e
parent 41334 3cb52cbf0eed
child 41725 7cca2de89296
permissions -rw-r--r--
added "smt_triggers" option to experiment with triggers in Sledgehammer;
renamings (for consistency)
blanchet@38047
     1
(*  Title:      HOL/Tools/ATP/atp_systems.ML
wenzelm@28592
     2
    Author:     Fabian Immler, TU Muenchen
blanchet@36371
     3
    Author:     Jasmin Blanchette, TU Muenchen
wenzelm@28592
     4
blanchet@36376
     5
Setup for supported ATPs.
wenzelm@28592
     6
*)
wenzelm@28592
     7
blanchet@36376
     8
signature ATP_SYSTEMS =
wenzelm@28592
     9
sig
blanchet@39491
    10
  type failure = ATP_Proof.failure
blanchet@38023
    11
blanchet@40059
    12
  type atp_config =
blanchet@38092
    13
    {exec: string * string,
blanchet@38092
    14
     required_execs: (string * string) list,
blanchet@41313
    15
     arguments: bool -> Time.time -> (unit -> (string * real) list) -> string,
blanchet@38645
    16
     has_incomplete_mode: bool,
blanchet@38023
    17
     proof_delims: (string * string) list,
blanchet@38023
    18
     known_failures: (failure * string) list,
blanchet@38744
    19
     default_max_relevant: int,
blanchet@38631
    20
     explicit_forall: bool,
blanchet@38631
    21
     use_conjecture_for_hypotheses: bool}
blanchet@38023
    22
blanchet@41313
    23
  (* for experimentation purposes -- do not use in production code *)
blanchet@41335
    24
  val e_weights : bool Unsynchronized.ref
blanchet@41313
    25
  val e_weight_factor : real Unsynchronized.ref
blanchet@41313
    26
  val e_default_weight : real Unsynchronized.ref
blanchet@41313
    27
blanchet@40059
    28
  val eN : string
blanchet@40059
    29
  val spassN : string
blanchet@40059
    30
  val vampireN : string
blanchet@40059
    31
  val sine_eN : string
blanchet@40059
    32
  val snarkN : string
blanchet@40060
    33
  val remote_prefix : string
blanchet@40059
    34
  val add_atp : string * atp_config -> theory -> theory
blanchet@40059
    35
  val get_atp : theory -> string -> atp_config
blanchet@40059
    36
  val available_atps : theory -> string list
blanchet@40059
    37
  val is_atp_installed : theory -> string -> bool
blanchet@35867
    38
  val refresh_systems_on_tptp : unit -> unit
blanchet@35867
    39
  val setup : theory -> theory
wenzelm@28592
    40
end;
wenzelm@28592
    41
blanchet@36376
    42
structure ATP_Systems : ATP_SYSTEMS =
wenzelm@28592
    43
struct
wenzelm@28596
    44
blanchet@39491
    45
open ATP_Proof
boehmes@32864
    46
blanchet@40059
    47
(* ATP configuration *)
boehmes@32864
    48
blanchet@40059
    49
type atp_config =
blanchet@38092
    50
  {exec: string * string,
blanchet@38092
    51
   required_execs: (string * string) list,
blanchet@41313
    52
   arguments: bool -> Time.time -> (unit -> (string * real) list) -> string,
blanchet@38645
    53
   has_incomplete_mode: bool,
blanchet@36370
    54
   proof_delims: (string * string) list,
blanchet@36370
    55
   known_failures: (failure * string) list,
blanchet@38744
    56
   default_max_relevant: int,
blanchet@38631
    57
   explicit_forall: bool,
blanchet@38631
    58
   use_conjecture_for_hypotheses: bool}
wenzelm@28596
    59
blanchet@38061
    60
val known_perl_failures =
blanchet@38094
    61
  [(CantConnect, "HTTP error"),
blanchet@38094
    62
   (NoPerl, "env: perl"),
blanchet@38065
    63
   (NoLibwwwPerl, "Can't locate HTTP")]
wenzelm@28596
    64
blanchet@40059
    65
(* named ATPs *)
blanchet@40059
    66
blanchet@40059
    67
val eN = "e"
blanchet@40059
    68
val spassN = "spass"
blanchet@40059
    69
val vampireN = "vampire"
blanchet@40059
    70
val sine_eN = "sine_e"
blanchet@40059
    71
val snarkN = "snark"
blanchet@40060
    72
val remote_prefix = "remote_"
blanchet@38001
    73
blanchet@38023
    74
structure Data = Theory_Data
blanchet@38023
    75
(
blanchet@40059
    76
  type T = (atp_config * stamp) Symtab.table
blanchet@38023
    77
  val empty = Symtab.empty
blanchet@38023
    78
  val extend = I
blanchet@38023
    79
  fun merge data : T = Symtab.merge (eq_snd op =) data
blanchet@38023
    80
    handle Symtab.DUP name => error ("Duplicate ATP: " ^ quote name ^ ".")
blanchet@38023
    81
)
blanchet@38017
    82
blanchet@38737
    83
fun to_secs bonus time = (Time.toMilliseconds time + bonus + 999) div 1000
blanchet@36142
    84
blanchet@39491
    85
blanchet@40059
    86
(* E *)
wenzelm@28596
    87
blanchet@40344
    88
(* Give E an extra second to reconstruct the proof. Older versions even get two
blanchet@40344
    89
   seconds, because the "eproof" script wrongly subtracted an entire second to
blanchet@40344
    90
   account for the overhead of the script itself, which is in fact much
blanchet@40344
    91
   lower. *)
blanchet@38737
    92
fun e_bonus () =
blanchet@41334
    93
  if string_ord (getenv "E_VERSION", "1.1") = LESS then 2000 else 1000
blanchet@38737
    94
blanchet@36369
    95
val tstp_proof_delims =
blanchet@36369
    96
  ("# SZS output start CNFRefutation.", "# SZS output end CNFRefutation")
blanchet@36369
    97
blanchet@41335
    98
val e_weights = Unsynchronized.ref true
blanchet@41334
    99
val e_weight_factor = Unsynchronized.ref 40.0
blanchet@41313
   100
val e_default_weight = Unsynchronized.ref 0.5
blanchet@41313
   101
blanchet@41335
   102
fun e_weight_arguments weights =
blanchet@41335
   103
  if !e_weights andalso string_ord (getenv "E_VERSION", "1.2w") <> LESS then
blanchet@41314
   104
    "--split-clauses=4 --split-reuse-defs --simul-paramod --forward-context-sr \
blanchet@41314
   105
    \--destructive-er-aggressive --destructive-er --presat-simplify \
blanchet@41314
   106
    \--prefer-initial-clauses -tKBO6 -winvfreqrank -c1 -Ginvfreqconjmax -F1 \
blanchet@41314
   107
    \--delete-bad-limit=150000000 -WSelectMaxLComplexAvoidPosPred \
blanchet@41314
   108
    \-H'(4*FunWeight(SimulateSOS, " ^
blanchet@41313
   109
    string_of_int (Real.ceil (!e_default_weight * !e_weight_factor)) ^
blanchet@41314
   110
    ",20,1.5,1.5,1" ^
blanchet@41313
   111
    (weights ()
blanchet@41313
   112
     |> map (fn (s, w) => "," ^ s ^ ":" ^
blanchet@41313
   113
                          string_of_int (Real.ceil (w * !e_weight_factor)))
blanchet@41314
   114
     |> implode) ^
blanchet@41314
   115
    "),3*ConjectureGeneralSymbolWeight(PreferNonGoals,200,100,200,50,50,1,100,\
blanchet@41314
   116
    \1.5,1.5,1),1*Clauseweight(PreferProcessed,1,1,1),1*\
blanchet@41314
   117
    \FIFOWeight(PreferProcessed))'"
blanchet@41313
   118
  else
blanchet@41314
   119
    "-xAutoDev"
blanchet@41313
   120
blanchet@40059
   121
val e_config : atp_config =
blanchet@38092
   122
  {exec = ("E_HOME", "eproof"),
blanchet@38092
   123
   required_execs = [],
blanchet@41313
   124
   arguments = fn _ => fn timeout => fn weights =>
blanchet@41335
   125
     "--tstp-in --tstp-out -l5 " ^ e_weight_arguments weights ^ " -tAutoDev \
blanchet@41313
   126
     \--silent --cpu-limit=" ^ string_of_int (to_secs (e_bonus ()) timeout),
blanchet@38645
   127
   has_incomplete_mode = false,
blanchet@36369
   128
   proof_delims = [tstp_proof_delims],
blanchet@36265
   129
   known_failures =
blanchet@37995
   130
     [(Unprovable, "SZS status: CounterSatisfiable"),
blanchet@37995
   131
      (Unprovable, "SZS status CounterSatisfiable"),
blanchet@36370
   132
      (TimedOut, "Failure: Resource limit exceeded (time)"),
blanchet@36370
   133
      (TimedOut, "time limit exceeded"),
blanchet@36370
   134
      (OutOfResources,
blanchet@36370
   135
       "# Cannot determine problem status within resource limit"),
blanchet@36370
   136
      (OutOfResources, "SZS status: ResourceOut"),
blanchet@36370
   137
      (OutOfResources, "SZS status ResourceOut")],
blanchet@38744
   138
   default_max_relevant = 500 (* FUDGE *),
blanchet@38631
   139
   explicit_forall = false,
blanchet@38631
   140
   use_conjecture_for_hypotheses = true}
blanchet@38454
   141
blanchet@40059
   142
val e = (eN, e_config)
wenzelm@28596
   143
wenzelm@28596
   144
blanchet@39491
   145
(* SPASS *)
blanchet@39491
   146
blanchet@36219
   147
(* The "-VarWeight=3" option helps the higher-order problems, probably by
blanchet@36219
   148
   counteracting the presence of "hAPP". *)
blanchet@40059
   149
val spass_config : atp_config =
blanchet@38092
   150
  {exec = ("ISABELLE_ATP", "scripts/spass"),
blanchet@39002
   151
   required_execs = [("SPASS_HOME", "SPASS"), ("SPASS_HOME", "tptp2dfg")],
blanchet@41313
   152
   arguments = fn complete => fn timeout => fn _ =>
blanchet@37962
   153
     ("-Auto -PGiven=0 -PProblem=0 -Splits=0 -FullRed=0 -DocProof \
blanchet@38737
   154
      \-VarWeight=3 -TimeLimit=" ^ string_of_int (to_secs 0 timeout))
blanchet@37514
   155
     |> not complete ? prefix "-SOS=1 ",
blanchet@38645
   156
   has_incomplete_mode = true,
blanchet@36369
   157
   proof_delims = [("Here is a proof", "Formulae used in the proof")],
blanchet@36289
   158
   known_failures =
blanchet@38061
   159
     known_perl_failures @
blanchet@37413
   160
     [(IncompleteUnprovable, "SPASS beiseite: Completion found"),
blanchet@36370
   161
      (TimedOut, "SPASS beiseite: Ran out of time"),
blanchet@36965
   162
      (OutOfResources, "SPASS beiseite: Maximal number of loops exceeded"),
blanchet@37413
   163
      (MalformedInput, "Undefined symbol"),
blanchet@37414
   164
      (MalformedInput, "Free Variable"),
blanchet@39263
   165
      (SpassTooOld, "tptp2dfg"),
blanchet@39263
   166
      (InternalError, "Please report this error")],
blanchet@38744
   167
   default_max_relevant = 350 (* FUDGE *),
blanchet@38631
   168
   explicit_forall = true,
blanchet@38631
   169
   use_conjecture_for_hypotheses = true}
blanchet@38454
   170
blanchet@40059
   171
val spass = (spassN, spass_config)
wenzelm@28596
   172
blanchet@38454
   173
blanchet@37509
   174
(* Vampire *)
blanchet@37509
   175
blanchet@40059
   176
val vampire_config : atp_config =
blanchet@38092
   177
  {exec = ("VAMPIRE_HOME", "vampire"),
blanchet@38092
   178
   required_execs = [],
blanchet@41313
   179
   arguments = fn complete => fn timeout => fn _ =>
blanchet@41203
   180
     (* This would work too but it's less tested: "--proof tptp " ^ *)
blanchet@41203
   181
     "--mode casc -t " ^ string_of_int (to_secs 0 timeout) ^
blanchet@41203
   182
     " --thanks \"Andrei and Krystof\" --input_file"
blanchet@38744
   183
     |> not complete ? prefix "--sos on ",
blanchet@38744
   184
   has_incomplete_mode = true,
blanchet@37509
   185
   proof_delims =
blanchet@37509
   186
     [("=========== Refutation ==========",
blanchet@37509
   187
       "======= End of refutation ======="),
blanchet@38033
   188
      ("% SZS output start Refutation", "% SZS output end Refutation"),
blanchet@38033
   189
      ("% SZS output start Proof", "% SZS output end Proof")],
blanchet@37509
   190
   known_failures =
blanchet@37509
   191
     [(Unprovable, "UNPROVABLE"),
blanchet@37509
   192
      (IncompleteUnprovable, "CANNOT PROVE"),
blanchet@38092
   193
      (TimedOut, "SZS status Timeout"),
blanchet@37509
   194
      (Unprovable, "Satisfiability detected"),
blanchet@38647
   195
      (Unprovable, "Termination reason: Satisfiable"),
blanchet@39263
   196
      (VampireTooOld, "not a valid option"),
blanchet@39263
   197
      (Interrupted, "Aborted by signal SIGINT")],
blanchet@38744
   198
   default_max_relevant = 400 (* FUDGE *),
blanchet@38631
   199
   explicit_forall = false,
blanchet@38680
   200
   use_conjecture_for_hypotheses = true}
blanchet@38454
   201
blanchet@40059
   202
val vampire = (vampireN, vampire_config)
blanchet@37509
   203
blanchet@38454
   204
blanchet@40059
   205
(* Remote ATP invocation via SystemOnTPTP *)
wenzelm@28596
   206
blanchet@38061
   207
val systems = Synchronized.var "atp_systems" ([] : string list)
immler@31835
   208
immler@31835
   209
fun get_systems () =
blanchet@38061
   210
  case bash_output "\"$ISABELLE_ATP/scripts/remote_atp\" -w 2>&1" of
blanchet@39491
   211
    (output, 0) => split_lines output
blanchet@39491
   212
  | (output, _) =>
blanchet@39491
   213
    error (case extract_known_failure known_perl_failures output of
blanchet@40669
   214
             SOME failure => string_for_failure "ATP" failure
blanchet@39491
   215
           | NONE => perhaps (try (unsuffix "\n")) output ^ ".")
immler@31835
   216
blanchet@38690
   217
fun find_system name [] systems = find_first (String.isPrefix name) systems
blanchet@38690
   218
  | find_system name (version :: versions) systems =
blanchet@38690
   219
    case find_first (String.isPrefix (name ^ "---" ^ version)) systems of
blanchet@38690
   220
      NONE => find_system name versions systems
blanchet@38690
   221
    | res => res
blanchet@38690
   222
blanchet@38690
   223
fun get_system name versions =
blanchet@38589
   224
  Synchronized.change_result systems
blanchet@38589
   225
      (fn systems => (if null systems then get_systems () else systems)
blanchet@38690
   226
                     |> `(find_system name versions))
boehmes@32864
   227
blanchet@38690
   228
fun the_system name versions =
blanchet@38690
   229
  case get_system name versions of
blanchet@39010
   230
    SOME sys => sys
blanchet@41269
   231
  | NONE => error ("System " ^ quote name ^
blanchet@41269
   232
                   " is not available at SystemOnTPTP.")
immler@31835
   233
blanchet@41148
   234
val max_remote_secs = 240 (* give Geoff Sutcliffe's servers a break *)
blanchet@41148
   235
blanchet@38690
   236
fun remote_config system_name system_versions proof_delims known_failures
blanchet@38997
   237
                  default_max_relevant use_conjecture_for_hypotheses
blanchet@40059
   238
                  : atp_config =
blanchet@38092
   239
  {exec = ("ISABELLE_ATP", "scripts/remote_atp"),
blanchet@38092
   240
   required_execs = [],
blanchet@41313
   241
   arguments = fn _ => fn timeout => fn _ =>
blanchet@41148
   242
     " -t " ^ string_of_int (Int.min (max_remote_secs, (to_secs 0 timeout)))
blanchet@41148
   243
     ^ " -s " ^ the_system system_name system_versions,
blanchet@38645
   244
   has_incomplete_mode = false,
blanchet@36369
   245
   proof_delims = insert (op =) tstp_proof_delims proof_delims,
blanchet@38061
   246
   known_failures =
blanchet@38061
   247
     known_failures @ known_perl_failures @
blanchet@38094
   248
     [(TimedOut, "says Timeout")],
blanchet@38744
   249
   default_max_relevant = default_max_relevant,
blanchet@38631
   250
   explicit_forall = true,
blanchet@38631
   251
   use_conjecture_for_hypotheses = use_conjecture_for_hypotheses}
wenzelm@28596
   252
blanchet@38690
   253
fun remotify_config system_name system_versions
blanchet@38744
   254
        ({proof_delims, known_failures, default_max_relevant,
blanchet@40059
   255
          use_conjecture_for_hypotheses, ...} : atp_config) : atp_config =
blanchet@38690
   256
  remote_config system_name system_versions proof_delims known_failures
blanchet@38997
   257
                default_max_relevant use_conjecture_for_hypotheses
blanchet@38023
   258
blanchet@40059
   259
fun remote_atp name system_name system_versions proof_delims known_failures
blanchet@40059
   260
               default_max_relevant use_conjecture_for_hypotheses =
blanchet@40060
   261
  (remote_prefix ^ name,
blanchet@38690
   262
   remote_config system_name system_versions proof_delims known_failures
blanchet@38997
   263
                 default_max_relevant use_conjecture_for_hypotheses)
blanchet@40059
   264
fun remotify_atp (name, config) system_name system_versions =
blanchet@40060
   265
  (remote_prefix ^ name, remotify_config system_name system_versions config)
wenzelm@28592
   266
blanchet@40059
   267
val remote_e = remotify_atp e "EP" ["1.0", "1.1", "1.2"]
blanchet@40059
   268
val remote_vampire = remotify_atp vampire "Vampire" ["0.6", "9.0", "1.0"]
blanchet@38603
   269
val remote_sine_e =
blanchet@40059
   270
  remote_atp sine_eN "SInE" [] [] [(IncompleteUnprovable, "says Unknown")]
blanchet@41238
   271
                600 (* FUDGE *) true
blanchet@38598
   272
val remote_snark =
blanchet@40059
   273
  remote_atp snarkN "SNARK---" [] [("refutation.", "end_refutation.")] []
blanchet@40059
   274
             250 (* FUDGE *) true
blanchet@38454
   275
blanchet@38454
   276
(* Setup *)
blanchet@38454
   277
blanchet@40059
   278
fun add_atp (name, config) thy =
blanchet@40059
   279
  Data.map (Symtab.update_new (name, (config, stamp ()))) thy
blanchet@40059
   280
  handle Symtab.DUP name => error ("Duplicate ATP: " ^ quote name ^ ".")
blanchet@40059
   281
blanchet@40059
   282
fun get_atp thy name =
blanchet@40059
   283
  the (Symtab.lookup (Data.get thy) name) |> fst
blanchet@40059
   284
  handle Option.Option => error ("Unknown ATP: " ^ name ^ ".")
blanchet@40059
   285
blanchet@40059
   286
val available_atps = Symtab.keys o Data.get
blanchet@36371
   287
blanchet@40059
   288
fun is_atp_installed thy name =
blanchet@40059
   289
  let val {exec, required_execs, ...} = get_atp thy name in
blanchet@40059
   290
    forall (curry (op <>) "" o getenv o fst) (exec :: required_execs)
blanchet@40059
   291
  end
blanchet@36371
   292
blanchet@40059
   293
fun refresh_systems_on_tptp () =
blanchet@40059
   294
  Synchronized.change systems (fn _ => get_systems ())
blanchet@40059
   295
blanchet@40059
   296
val atps = [e, spass, vampire, remote_e, remote_vampire, remote_sine_e,
blanchet@40059
   297
            remote_snark]
blanchet@40059
   298
val setup = fold add_atp atps
blanchet@35867
   299
wenzelm@28592
   300
end;