(* ID: $Id$
Author: Jia Meng, NICTA
*)
structure ResAtpMethods =
struct
val vampire_time = ref 60;
val eprover_time = ref 60;
fun run_vampire time =
if (time >0) then vampire_time:= time
else vampire_time:=60;
fun run_eprover time =
if (time > 0) then eprover_time:= time
else eprover_time:=60;
fun vampireLimit () = !vampire_time;
fun eproverLimit () = !eprover_time;
(* convert the negated 1st subgoal into CNF, write to files and call an ATP oracle *)
fun res_atp_tac res_atp_oracle timeLimit ctxt files tfrees n thm =
SELECT_GOAL
((EVERY1 [rtac ccontr,ObjectLogic.atomize_tac, skolemize_tac,
METAHYPS(fn negs =>
HEADGOAL(Tactic.rtac
(res_atp_oracle (ProofContext.theory_of ctxt)
((ResAtpSetup.tptp_form (make_clauses (map make_nnf negs)) n tfrees)::files, timeLimit))))]) handle Fail _ => no_tac) n thm;
(* vampire_tac and eprover_tac *)
val vampire_tac = res_atp_tac vampire_oracle (!vampire_time);
val eprover_tac = res_atp_tac eprover_oracle (!eprover_time);
val ResAtps_setup = [Method.add_methods
[("vampire", ResAtpSetup.atp_method vampire_tac, "A Vampire method"),
("eprover", ResAtpSetup.atp_method eprover_tac, "A E prover method")]];
end