src/HOL/Tools/res_atp_methods.ML

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/HOL/Tools/res_atp_methods.ML	Wed Oct 19 06:33:24 2005 +0200
@@ -0,0 +1,50 @@
+(* ID: $Id$
+   Author: Jia Meng
+*)
+
+
+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
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