X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2Fparamod.ml;h=a6f3a93c789f086a4848f3959e9183511a5251fc;hb=a872dba2b03e27967d5b9b51e950e85967340e52;hp=6c3c5118d62362eadc982fa63ecfbd9672b635cc;hpb=94ec1bb0fcb0a82bfaaf965aed6993de3a9e658a;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/paramod.ml b/helm/software/components/ng_paramodulation/paramod.ml
index 6c3c5118d..a6f3a93c7 100644
--- a/helm/software/components/ng_paramodulation/paramod.ml
+++ b/helm/software/components/ng_paramodulation/paramod.ml
@@ -14,7 +14,7 @@
 let debug s = prerr_endline s ;;
 let debug _ = ();;
 
-let monster = 500;;
+let monster = 100;;
     
 module Paramod (B : Terms.Blob) = struct
   exception Failure of string * B.t Terms.bag * int * int
@@ -99,7 +99,7 @@ module Paramod (B : Terms.Blob) = struct
   let mk_clause bag maxvar (t,ty) =
     let (proof,ty) = B.saturate t ty in
     let c, maxvar = Utils.mk_unit_clause maxvar ty proof in
-    let bag, c = Utils.add_to_bag bag c in
+    let bag, c = Terms.add_to_bag c bag in
     (bag, maxvar), c
   ;;
   
@@ -118,7 +118,11 @@ module Paramod (B : Terms.Blob) = struct
         (false,cl,remove_passive_clause passives cl,g_passives)
       else
         let g_cl = pick_min_passive ~use_age:use_age g_passives in
-          if (fst cl <= fst g_cl) then
+	let (id1,_,_,_),(id2,_,_,_) = snd cl, snd g_cl in
+	let cmp = if use_age then id1 <= id2
+	else fst cl <= fst g_cl
+	in
+          if cmp then
             (false,cl,remove_passive_clause passives cl,g_passives)
           else
             (true,g_cl,passives,remove_passive_clause g_passives g_cl)
@@ -218,13 +222,21 @@ module Paramod (B : Terms.Blob) = struct
           end
         else raise (Failure ("Timeout !",bag,maxvar,iterno));
 
-    (* let use_age = iterno mod 10 = 0 in *)
+    let use_age = iterno mod 5 = 0 in
 
     let rec aux_select bag passives g_passives =
       let backward,(weight,current),passives,g_passives =
         select ~use_age:false passives g_passives
       in
+	if use_age && weight > monster then
+	  let bag,cl = Terms.add_to_bag current bag in
+	    if backward then
+	      aux_select bag passives (add_passive_clause g_passives cl)
+	    else
+	      aux_select bag (add_passive_clause passives cl) g_passives
+	else
         if backward then
+          let _ = debug ("Selected goal : " ^ Pp.pp_unit_clause current) in
          match 
            if noinfer then 
              if weight > monster then None else Some (bag,current)
@@ -248,8 +260,8 @@ module Paramod (B : Terms.Blob) = struct
               if weight > monster then bag,None 
               else  bag, Some (current,actives)
             else if Sup.orphan_murder bag (fst actives) current then
-              let (id,_,_,_) = current in
-              let bag = Terms.M.add id (current,true) bag in
+	      let _ = debug "Orphan murdered" in
+              let bag = Terms.replace_in_bag (current,true) bag in
                 bag, None
             else Sup.keep_simplified current actives bag maxvar
           with
@@ -319,7 +331,7 @@ module Paramod (B : Terms.Blob) = struct
     | Sup.Success (bag, _, (i,_,_,_)) ->
         let l =
           let rec traverse ongoal (accg,acce) i =
-            match Terms.M.find i bag with
+            match Terms.get_from_bag i bag with
               | (id,_,_,Terms.Exact _),_ ->
                   if ongoal then [i],acce else
                     if (List.mem i acce) then accg,acce else accg,acce@[i]