X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2Fparamod.ml;h=0dbd6260aede1286d79976ea364a17e40d1ca5b1;hb=94c7a260ca00f045a3ec1b371f19de757f83003b;hp=45a4e0e0954725e44b0e200d19e2b3e3e6e9f58e;hpb=63741bdebe93f58cef3ea791ca634ef17237bd7f;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/paramod.ml b/helm/software/components/ng_paramodulation/paramod.ml
index 45a4e0e09..0dbd6260a 100644
--- a/helm/software/components/ng_paramodulation/paramod.ml
+++ b/helm/software/components/ng_paramodulation/paramod.ml
@@ -11,8 +11,8 @@
 
 (* $Id: orderings.ml 9869 2009-06-11 22:52:38Z denes $ *)
 
-let debug s = prerr_endline s ;;
-let debug _ = ();;
+let debug s = prerr_endline (Lazy.force s) ;; 
+let debug _ = ();; 
 
 let monster = 100;;
     
@@ -162,11 +162,11 @@ module Paramod (B : Orderings.Blob) = struct
   let backward_infer_step bag maxvar actives passives
                           g_actives g_passives g_current iterno =
     (* superposition left, simplifications on goals *)
-      debug "infer_left step...";
+      debug (lazy "infer_left step...");
       let bag, maxvar, new_goals = 
         Sup.infer_left bag maxvar g_current actives 
       in
-        debug "Performed infer_left step";
+        debug (lazy "Performed infer_left step");
 	let bag = Terms.replace_in_bag (g_current,false,iterno) bag in
         bag, maxvar, actives, passives, g_current::g_actives,
     (add_passive_goals g_passives new_goals)
@@ -184,12 +184,12 @@ module Paramod (B : Orderings.Blob) = struct
      * new = supright e'' A'' *
      * new'= demod A'' new    *
      * P' = P + new'          *)
-    debug "Forward infer step...";
+    debug (lazy "Forward infer step...");
     debug (lazy("Number of actives : " ^ (string_of_int (List.length (fst actives)))));
     let bag, maxvar, actives, new_clauses = 
       Sup.infer_right bag maxvar current actives 
     in
-      debug "Demodulating goals with actives...";
+      debug (lazy "Demodulating goals with actives...");
       (* keep goals demodulated w.r.t. actives and check if solved *)
       let bag, g_actives = 
         List.fold_left 
@@ -295,7 +295,7 @@ module Paramod (B : Orderings.Blob) = struct
               if weight > monster then bag,None 
               else  bag, Some (current,actives)
             else if Sup.orphan_murder bag (fst actives) current then
-	      let _ = debug "Orphan murdered" in
+	      let _ = debug (lazy "Orphan murdered") in
               let bag = Terms.replace_in_bag (current,true,iterno) bag in
                 bag, None
             else Sup.keep_simplified current actives bag maxvar
@@ -350,7 +350,7 @@ module Paramod (B : Orderings.Blob) = struct
   ;;
 
   let paramod ~useage ~max_steps ?timeout (bag,maxvar) ~g_passives ~passives =
-    let initial_timestamp = Unix.gettimeofday () in
+    let _initial_timestamp = Unix.gettimeofday () in
     let passives =
       add_passive_clauses ~no_weight:true passive_empty_set passives
     in
@@ -398,9 +398,6 @@ module Paramod (B : Orderings.Blob) = struct
 		(Printf.sprintf "Id : %d, selected at %d, weight %d by %s"
 		   id it (Order.compute_unit_clause_weight cl) 
 		   (Pp.pp_proof_step proof))) l;*)
-        prerr_endline 
-          (Printf.sprintf "Found proof, %fs" 
-            (Unix.gettimeofday() -. initial_timestamp));
         (* 
         prerr_endline "Proof:"; 
         List.iter (fun x ->