From: Enrico Tassi <enrico.tassi@inria.fr>
Date: Tue, 19 May 2009 10:07:42 +0000 (+0000)
Subject: fixed generation of horn clauses, negated atoms are hypotheses
X-Git-Tag: make_still_working~3959
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=f68f477d76866de24ebdb5351912754a7dccbda5;p=helm.git

fixed generation of horn clauses, negated atoms are hypotheses
---

diff --git a/helm/software/components/tptp_grafite/tptp2grafite.ml b/helm/software/components/tptp_grafite/tptp2grafite.ml
index 63dfe0285..7a714ce07 100644
--- a/helm/software/components/tptp_grafite/tptp2grafite.ml
+++ b/helm/software/components/tptp_grafite/tptp2grafite.ml
@@ -84,11 +84,17 @@ let rec convert_term = function
       PT.Appl (mk_ident name :: List.map convert_term args)
 ;;
 
-let rec atom_of_formula = function
-    | A.Disjunction (a,b) -> 
-        atom_of_formula a @ atom_of_formula b
-    | A.NegAtom a -> [a] (* removes the negation *)
-    | A.Atom a -> [a]
+let rec atom_of_formula neg pos = function
+    | A.Disjunction (a,b) ->
+        let neg, pos = atom_of_formula neg pos a in
+        atom_of_formula neg pos b 
+    | A.NegAtom a -> a::neg, pos 
+    | A.Atom a -> neg, a::pos
+;;
+
+let atom_of_formula f =
+  let neg, pos = atom_of_formula [] [] f in
+  neg @ pos
 ;;
   
 let rec mk_arrow component tail = function
@@ -263,7 +269,12 @@ let convert_ast statements context = function
                   GA.AutoBatch (floc,([],["paramodulation","";
                   "timeout",string_of_int !paramod_timeout]))
               else
-                  GA.AutoBatch (floc,([],["depth",string_of_int !depth]))
+                  GA.AutoBatch (floc,([],[
+                          "depth",string_of_int 5;
+                          "width",string_of_int 5;
+                          "size",string_of_int 20;
+                          "timeout",string_of_int 10;
+                  ]))
             ),
               GA.Semicolon(floc)));
             GA.Executable(floc,GA.Tactic(floc, Some (GA.Try(floc,