(* Title: HOL/Tools/atp_wrapper.ML
ID: $Id$
Author: Fabian Immler, TU Muenchen
Wrapper functions for external ATPs.
*)
signature ATP_WRAPPER =
sig
val destdir: string ref
val problem_name: string ref
val external_prover:
((int -> Path.T) -> Proof.context * thm list * thm -> string list * ResHolClause.axiom_name Vector.vector list) ->
Path.T * string ->
(string -> string option) ->
(string * string vector * Proof.context * thm * int -> string) ->
AtpManager.prover
val tptp_prover_opts_full: int -> bool -> bool -> Path.T * string -> AtpManager.prover
val tptp_prover_opts: int -> bool -> Path.T * string -> AtpManager.prover
val tptp_prover: Path.T * string -> AtpManager.prover
val full_prover_opts: int -> bool -> Path.T * string -> AtpManager.prover
val full_prover: Path.T * string -> AtpManager.prover
val vampire_opts: int -> bool -> AtpManager.prover
val vampire: AtpManager.prover
val vampire_opts_full: int -> bool -> AtpManager.prover
val vampire_full: AtpManager.prover
val eprover_opts: int -> bool -> AtpManager.prover
val eprover: AtpManager.prover
val eprover_opts_full: int -> bool -> AtpManager.prover
val eprover_full: AtpManager.prover
val spass_opts: int -> bool -> AtpManager.prover
val spass: AtpManager.prover
val remote_prover_opts: int -> bool -> string -> AtpManager.prover
val remote_prover: string -> AtpManager.prover
end;
structure AtpWrapper: ATP_WRAPPER =
struct
(** generic ATP wrapper **)
(* global hooks for writing problemfiles *)
val destdir = ref ""; (*Empty means write files to /tmp*)
val problem_name = ref "prob";
(* basic template *)
fun external_prover write_problem_files (cmd, args) find_failure produce_answer timeout subgoalno state =
let
(* path to unique problem file *)
val destdir' = ! destdir
val problem_name' = ! problem_name
fun prob_pathname nr =
let val probfile = Path.basic (problem_name' ^ serial_string () ^ "_" ^ string_of_int nr)
in if destdir' = "" then File.tmp_path probfile
else if File.exists (Path.explode (destdir'))
then Path.append (Path.explode (destdir')) probfile
else error ("No such directory: " ^ destdir')
end
(* write out problem file and call prover *)
val (ctxt, (chain_ths, goal)) = Proof.get_goal state
val chain_ths = map (Thm.put_name_hint ResReconstruct.chained_hint) chain_ths
val (filenames, thm_names_list) = write_problem_files prob_pathname (ctxt, chain_ths, goal)
val thm_names = nth thm_names_list (subgoalno - 1)
val cmdline =
if File.exists cmd then File.shell_path cmd ^ " " ^ args
else error ("Bad executable: " ^ Path.implode cmd)
val (proof, rc) = system_out (cmdline ^ " " ^ nth filenames (subgoalno - 1))
(* remove *temporary* files *)
val _ = if destdir' = "" then List.app OS.FileSys.remove filenames else ()
(* check for success and print out some information on failure *)
val failure = find_failure proof
val success = rc = 0 andalso is_none failure
val message =
if isSome failure then "Proof attempt failed."
else if rc <> 0 then "Proof attempt failed: " ^ proof
else "Try this command: " ^ produce_answer (proof, thm_names, ctxt, goal, subgoalno)
val _ = if isSome failure
then Output.debug (fn () => "Sledgehammer failure: " ^ the failure ^ "\nOutput: " ^ proof)
else ()
val _ = if rc <> 0
then Output.debug (fn () => "Sledgehammer exited with return code " ^ string_of_int rc ^ ":\n" ^ proof)
else ()
in (success, message) end;
(** common provers **)
(* generic TPTP-based provers *)
fun tptp_prover_opts_full max_new theory_const full command =
external_prover
(ResAtp.write_problem_files false max_new theory_const)
command
ResReconstruct.find_failure_e_vamp_spass
(if full then ResReconstruct.structured_proof else ResReconstruct.lemma_list_tstp);
(*arbitrary ATP with TPTP input/output and problemfile as last argument*)
fun tptp_prover_opts max_new theory_const =
tptp_prover_opts_full max_new theory_const false;
val tptp_prover = tptp_prover_opts 60 true;
(*for structured proofs: prover must support TSTP*)
fun full_prover_opts max_new theory_const =
tptp_prover_opts_full max_new theory_const true;
val full_prover = full_prover_opts 60 true;
(* Vampire *)
(*NB: Vampire does not work without explicit timelimit*)
fun vampire_opts max_new theory_const timeout = tptp_prover_opts
max_new theory_const
(Path.explode "$VAMPIRE_HOME/vampire",
("--output_syntax tptp --mode casc -t " ^ string_of_int timeout))
timeout;
val vampire = vampire_opts 60 false;
fun vampire_opts_full max_new theory_const timeout = full_prover_opts
max_new theory_const
(Path.explode "$VAMPIRE_HOME/vampire",
("--output_syntax tptp --mode casc -t " ^ string_of_int timeout))
timeout;
val vampire_full = vampire_opts 60 false;
(* E prover *)
fun eprover_opts max_new theory_const = tptp_prover_opts
max_new theory_const
(Path.explode "$E_HOME/eproof", "--tstp-in --tstp-out -l5 -xAutoDev -tAutoDev --silent");
val eprover = eprover_opts 100 false;
fun eprover_opts_full max_new theory_const = full_prover_opts
max_new theory_const
(Path.explode "$E_HOME/eproof", "--tstp-in --tstp-out -l5 -xAutoDev -tAutoDev --silent");
val eprover_full = eprover_opts_full 100 false;
(* SPASS *)
fun spass_opts max_new theory_const = external_prover
(ResAtp.write_problem_files true max_new theory_const)
(Path.explode "$SPASS_HOME/SPASS", "-Auto -SOS=1 -PGiven=0 -PProblem=0 -Splits=0 -FullRed=0 -DocProof")
ResReconstruct.find_failure_e_vamp_spass
ResReconstruct.lemma_list_dfg;
val spass = spass_opts 40 true;
(* remote prover invocation via SystemOnTPTP *)
fun remote_prover_opts max_new theory_const args timeout =
tptp_prover_opts max_new theory_const
(Path.explode "$ISABELLE_HOME/contrib/SystemOnTPTP/remote", args ^ " -t " ^ string_of_int (timeout - 10))
timeout;
val remote_prover = remote_prover_opts 60 false;
end;