X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2FnCicParamod.ml;h=79ea569a2927a82af9c6d2c828a8fe92d23de55d;hb=57e9e88aa1340997956b1e96ce7d470417a21412;hp=6c1aa695ee231f91692a89d46ca9accefb1e09e8;hpb=f49a2aa0634549cc4fb44067225514ba7de46fec;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/nCicParamod.ml b/helm/software/components/ng_paramodulation/nCicParamod.ml
index 6c1aa695e..79ea569a2 100644
--- a/helm/software/components/ng_paramodulation/nCicParamod.ml
+++ b/helm/software/components/ng_paramodulation/nCicParamod.ml
@@ -25,17 +25,19 @@ let nparamod rdb metasenv subst context t table =
   in
   let module P = Paramod.Paramod(B) in
   let module Pp = Pp.Pp(B) in
-  let bag, maxvar = Terms.M.empty, 0 in
+  let bag, maxvar = Terms.empty_bag, 0 in
   let (bag,maxvar), passives = 
     HExtlib.list_mapi_acc (fun x _ a -> P.mk_passive a x) (bag,maxvar) table
   in
   let (bag,maxvar), goals = 
     HExtlib.list_mapi_acc (fun x _ a -> P.mk_goal a x) (bag,maxvar) [t]
   in
-  let solutions = 
+  match 
     P.paramod ~max_steps:max_int ~timeout:(Unix.gettimeofday () +. 300.0) 
       ~g_passives:goals ~passives (bag,maxvar) 
-  in
+  with 
+  | P.Error _ | P.GaveUp | P.Timeout _ -> []
+  | P.Unsatisfiable solutions ->
   List.map 
     (fun (bag,i,l) ->
       (* List.iter (fun x ->