--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/HOL/Tools/ATP/atp_systems.ML Wed Jul 28 19:01:34 2010 +0200
@@ -0,0 +1,219 @@
+(* Title: HOL/Tools/ATP_Manager/atp_systems.ML
+ Author: Fabian Immler, TU Muenchen
+ Author: Jasmin Blanchette, TU Muenchen
+
+Setup for supported ATPs.
+*)
+
+signature ATP_SYSTEMS =
+sig
+ datatype failure =
+ Unprovable | IncompleteUnprovable | CantConnect | TimedOut |
+ OutOfResources | OldSpass | MalformedInput | MalformedOutput | UnknownError
+
+ type prover_config =
+ {executable: string * string,
+ required_executables: (string * string) list,
+ arguments: bool -> Time.time -> string,
+ proof_delims: (string * string) list,
+ known_failures: (failure * string) list,
+ max_new_relevant_facts_per_iter: int,
+ prefers_theory_relevant: bool,
+ explicit_forall: bool}
+
+ val add_prover: string * prover_config -> theory -> theory
+ val get_prover: theory -> string -> prover_config
+ val available_atps: theory -> unit
+ val refresh_systems_on_tptp : unit -> unit
+ val default_atps_param_value : unit -> string
+ val setup : theory -> theory
+end;
+
+structure ATP_Systems : ATP_SYSTEMS =
+struct
+
+(* prover configuration *)
+
+datatype failure =
+ Unprovable | IncompleteUnprovable | CantConnect | TimedOut | OutOfResources |
+ OldSpass | MalformedInput | MalformedOutput | UnknownError
+
+type prover_config =
+ {executable: string * string,
+ required_executables: (string * string) list,
+ arguments: bool -> Time.time -> string,
+ proof_delims: (string * string) list,
+ known_failures: (failure * string) list,
+ max_new_relevant_facts_per_iter: int,
+ prefers_theory_relevant: bool,
+ explicit_forall: bool}
+
+
+(* named provers *)
+
+structure Data = Theory_Data
+(
+ type T = (prover_config * stamp) Symtab.table
+ val empty = Symtab.empty
+ val extend = I
+ fun merge data : T = Symtab.merge (eq_snd op =) data
+ handle Symtab.DUP name => error ("Duplicate ATP: " ^ quote name ^ ".")
+)
+
+fun add_prover (name, config) thy =
+ Data.map (Symtab.update_new (name, (config, stamp ()))) thy
+ handle Symtab.DUP name => error ("Duplicate ATP: " ^ quote name ^ ".")
+
+fun get_prover thy name =
+ the (Symtab.lookup (Data.get thy) name) |> fst
+ handle Option.Option => error ("Unknown ATP: " ^ name ^ ".")
+
+fun available_atps thy =
+ priority ("Available ATPs: " ^
+ commas (sort_strings (Symtab.keys (Data.get thy))) ^ ".")
+
+fun available_atps thy =
+ priority ("Available ATPs: " ^
+ commas (sort_strings (Symtab.keys (Data.get thy))) ^ ".")
+
+fun to_generous_secs time = (Time.toMilliseconds time + 999) div 1000
+
+(* E prover *)
+
+val tstp_proof_delims =
+ ("# SZS output start CNFRefutation.", "# SZS output end CNFRefutation")
+
+val e_config : prover_config =
+ {executable = ("E_HOME", "eproof"),
+ required_executables = [],
+ arguments = fn _ => fn timeout =>
+ "--tstp-in --tstp-out -l5 -xAutoDev -tAutoDev --silent --cpu-limit=" ^
+ string_of_int (to_generous_secs timeout),
+ proof_delims = [tstp_proof_delims],
+ known_failures =
+ [(Unprovable, "SZS status: CounterSatisfiable"),
+ (Unprovable, "SZS status CounterSatisfiable"),
+ (TimedOut, "Failure: Resource limit exceeded (time)"),
+ (TimedOut, "time limit exceeded"),
+ (OutOfResources,
+ "# Cannot determine problem status within resource limit"),
+ (OutOfResources, "SZS status: ResourceOut"),
+ (OutOfResources, "SZS status ResourceOut")],
+ max_new_relevant_facts_per_iter = 80 (* FIXME *),
+ prefers_theory_relevant = false,
+ explicit_forall = false}
+val e = ("e", e_config)
+
+
+(* The "-VarWeight=3" option helps the higher-order problems, probably by
+ counteracting the presence of "hAPP". *)
+val spass_config : prover_config =
+ {executable = ("ISABELLE_ATP_MANAGER", "scripts/spass"),
+ required_executables = [("SPASS_HOME", "SPASS")],
+ (* "div 2" accounts for the fact that SPASS is often run twice. *)
+ arguments = fn complete => fn timeout =>
+ ("-Auto -PGiven=0 -PProblem=0 -Splits=0 -FullRed=0 -DocProof \
+ \-VarWeight=3 -TimeLimit=" ^
+ string_of_int (to_generous_secs timeout div 2))
+ |> not complete ? prefix "-SOS=1 ",
+ proof_delims = [("Here is a proof", "Formulae used in the proof")],
+ known_failures =
+ [(IncompleteUnprovable, "SPASS beiseite: Completion found"),
+ (TimedOut, "SPASS beiseite: Ran out of time"),
+ (OutOfResources, "SPASS beiseite: Maximal number of loops exceeded"),
+ (MalformedInput, "Undefined symbol"),
+ (MalformedInput, "Free Variable"),
+ (OldSpass, "tptp2dfg")],
+ max_new_relevant_facts_per_iter = 26 (* FIXME *),
+ prefers_theory_relevant = true,
+ explicit_forall = true}
+val spass = ("spass", spass_config)
+
+(* Vampire *)
+
+val vampire_config : prover_config =
+ {executable = ("VAMPIRE_HOME", "vampire"),
+ required_executables = [],
+ arguments = fn _ => fn timeout =>
+ "--mode casc -t " ^ string_of_int (to_generous_secs timeout) ^
+ " --input_file ",
+ proof_delims =
+ [("=========== Refutation ==========",
+ "======= End of refutation ======="),
+ ("% SZS output start Refutation", "% SZS output end Refutation"),
+ ("% SZS output start Proof", "% SZS output end Proof")],
+ known_failures =
+ [(Unprovable, "UNPROVABLE"),
+ (IncompleteUnprovable, "CANNOT PROVE"),
+ (Unprovable, "Satisfiability detected"),
+ (OutOfResources, "Refutation not found")],
+ max_new_relevant_facts_per_iter = 40 (* FIXME *),
+ prefers_theory_relevant = false,
+ explicit_forall = false}
+val vampire = ("vampire", vampire_config)
+
+(* Remote prover invocation via SystemOnTPTP *)
+
+val systems = Synchronized.var "atp_systems" ([]: string list)
+
+fun get_systems () =
+ case bash_output "\"$ISABELLE_ATP_MANAGER/scripts/remote_atp\" -w" of
+ (answer, 0) => split_lines answer
+ | (answer, _) =>
+ error ("Failed to get available systems at SystemOnTPTP:\n" ^
+ perhaps (try (unsuffix "\n")) answer)
+
+fun refresh_systems_on_tptp () =
+ Synchronized.change systems (fn _ => get_systems ())
+
+fun get_system prefix = Synchronized.change_result systems (fn systems =>
+ (if null systems then get_systems () else systems)
+ |> `(find_first (String.isPrefix prefix)));
+
+fun the_system prefix =
+ (case get_system prefix of
+ NONE => error ("System " ^ quote prefix ^ " not available at SystemOnTPTP.")
+ | SOME sys => sys);
+
+val remote_known_failures =
+ [(CantConnect, "HTTP-Error"),
+ (TimedOut, "says Timeout"),
+ (MalformedOutput, "Remote script could not extract proof")]
+
+fun remote_config atp_prefix
+ ({proof_delims, known_failures, max_new_relevant_facts_per_iter,
+ prefers_theory_relevant, explicit_forall, ...} : prover_config)
+ : prover_config =
+ {executable = ("ISABELLE_ATP_MANAGER", "scripts/remote_atp"),
+ required_executables = [],
+ arguments = fn _ => fn timeout =>
+ " -t " ^ string_of_int (to_generous_secs timeout) ^ " -s " ^
+ the_system atp_prefix,
+ proof_delims = insert (op =) tstp_proof_delims proof_delims,
+ known_failures = remote_known_failures @ known_failures,
+ max_new_relevant_facts_per_iter = max_new_relevant_facts_per_iter,
+ prefers_theory_relevant = prefers_theory_relevant,
+ explicit_forall = explicit_forall}
+
+val remote_name = prefix "remote_"
+
+fun remote_prover (name, config) atp_prefix =
+ (remote_name name, remote_config atp_prefix config)
+
+val remote_e = remote_prover e "EP---"
+val remote_vampire = remote_prover vampire "Vampire---9"
+
+fun is_installed ({executable, required_executables, ...} : prover_config) =
+ forall (curry (op <>) "" o getenv o fst) (executable :: required_executables)
+fun maybe_remote (name, config) =
+ name |> not (is_installed config) ? remote_name
+
+fun default_atps_param_value () =
+ space_implode " " ([maybe_remote e] @
+ (if is_installed (snd spass) then [fst spass] else []) @
+ [remote_name (fst vampire)])
+
+val provers = [e, spass, vampire, remote_e, remote_vampire]
+val setup = fold add_prover provers
+
+end;