(* ID: $Id$
Author: Jia Meng, NICTA
Functions used for ATP Oracle.
*)
structure ResAtpProvers =
struct
fun if_proof_vampire instr = (TextIO.inputLine instr = "Refutation found. Thanks to Tanya!\n");
fun if_proof_E instr =
let val thisLine = TextIO.inputLine instr
in thisLine <> "" andalso
(thisLine = "# Proof found!\n" orelse if_proof_E instr)
end;
local
fun location s = warning ("ATP input at: " ^ s);
in
fun call_vampire (file:string, time: int) =
let val _ = location file
val runtime = "-t " ^ (string_of_int time)
val vampire = ResAtp.helper_path "VAMPIRE_HOME" "vampire"
val ch:(TextIO.instream,TextIO.outstream) Unix.proc =
Unix.execute(vampire, [runtime,file])
val (instr,outstr) = Unix.streamsOf ch
in if_proof_vampire instr
end;
fun call_eprover (file:string, time:int) =
let val _ = location file
val eprover = ResAtp.helper_path "E_HOME" "/PROVER/eprover"
val runtime = "--cpu-limit=" ^ (string_of_int time)
val ch:(TextIO.instream,TextIO.outstream) Unix.proc =
Unix.execute(eprover, [runtime,"--tptp-format","-tAuto","-xAuto",file])
val (instr,outstr) = Unix.streamsOf ch
in if_proof_E instr
end;
end
fun vampire_o _ (file,time) =
if call_vampire (file,time)
then (warning file; ResAtp.cond_rm_tmp file; HOLogic.mk_Trueprop HOLogic.false_const)
else (ResAtp.cond_rm_tmp file; raise Fail ("vampire oracle failed"));
fun eprover_o _ (file,time) =
if call_eprover (file,time)
then (warning file; ResAtp.cond_rm_tmp file; HOLogic.mk_Trueprop HOLogic.false_const)
else (ResAtp.cond_rm_tmp file; raise Fail ("eprover oracle failed"));
end;