disabled coercions when refining paramod proofs (attemt to understand the slowdown...

diff --git a/components/tactics/paramodulation/saturation.ml b/components/tactics/paramodulation/saturation.ml
index 6e792201964824db331fce7d3fc7813bac10be2a..9739f1ccf44ac84767adc0ea018210d601e3d75f 100644 (file)
--- a/components/tactics/paramodulation/saturation.ml
+++ b/components/tactics/paramodulation/saturation.ml
@@ -1361,20 +1361,33 @@ let build_proof
     prerr_endline "THE PROOF DOES NOT TYPECHECK! <end>";
     raise exn
   in
+  let old_insert_coercions = !CicRefine.insert_coercions in
   let goal_proof,goal_ty,real_menv,_ = 
     (* prerr_endline ("parte la refine per: " ^ (CicPp.pp goal_proof names)); *)
     try
             debug_print (lazy (CicPp.ppterm goal_proof));
-      CicRefine.type_of_aux' real_menv context goal_proof CicUniv.empty_ugraph
+            CicRefine.insert_coercions := false;
+            let res = 
+              CicRefine.type_of_aux' 
+                real_menv context goal_proof CicUniv.empty_ugraph
+            in
+            CicRefine.insert_coercions := old_insert_coercions;
+            res
     with 
       | CicRefine.RefineFailure s 
       | CicRefine.Uncertain s 
       | CicRefine.AssertFailure s as exn -> 
+          CicRefine.insert_coercions := old_insert_coercions;
           pp_error goal_proof names (Lazy.force s) exn
       | CicUtil.Meta_not_found i as exn ->
+          CicRefine.insert_coercions := old_insert_coercions;
           pp_error goal_proof names ("META NOT FOUND: "^string_of_int i) exn
       | Invalid_argument "list_fold_left2" as exn ->
+          CicRefine.insert_coercions := old_insert_coercions;
           pp_error goal_proof names "Invalid_argument: list_fold_left2" exn 
+      | exn ->
+          CicRefine.insert_coercions := old_insert_coercions;
+          raise exn
   in     
   let subst_side_effects,real_menv,_ = 
     try