From: Enrico Tassi <enrico.tassi@inria.fr>
Date: Mon, 13 Jul 2009 08:56:24 +0000 (+0000)
Subject: matitaprover is now flexible enough to allow the computation of statistics on
X-Git-Tag: make_still_working~3692
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=72aa8b2087285826b14fc39a389632f0317c51b6;p=helm.git

matitaprover is now flexible enough to allow the computation of statistics on
the clauses and then choose an ordering to be used for the proof search
---

diff --git a/helm/software/components/binaries/matitaprover/matitaprover.ml b/helm/software/components/binaries/matitaprover/matitaprover.ml
index 1c837f18d..f516552bc 100644
--- a/helm/software/components/binaries/matitaprover/matitaprover.ml
+++ b/helm/software/components/binaries/matitaprover/matitaprover.ml
@@ -79,6 +79,8 @@ module MakeBlob(C:LeafComparer) : Terms.Blob
 ;;
 
 let success_msg bag l (pp : ?margin:int -> leaf Terms.unit_clause -> string) ord =
+  (* TODO: do some sort of poor man lock (open + OEXCL) so that
+   *       just one thread at a time prints the proof *)
   print_endline ("% SZS status Unsatisfiable for " ^ 
     Filename.basename !problem_file);
   print_endline ("% SZS output start CNFRefutation for " ^ 
@@ -110,24 +112,16 @@ let start_msg passives g_passives (pp : leaf Terms.unit_clause -> string) oname
 
 let report_error s =  prerr_endline (string_of_int (Unix.getpid())^": "^s);;
 
-module Main(C:Orderings.Blob with type t = leaf) = struct
- let main goal hypotheses =
-   let module B = C in
-   let module Pp = Pp.Pp(B) in
-   let module P = Paramod.Paramod(B) in
-   let bag = Terms.empty_bag, 0 in
-   let bag, g_passives = P.mk_goal bag goal in
-   let bag, passives = 
-     HExtlib.list_mapi_acc (fun x _ b -> P.mk_passive b x) bag hypotheses 
-   in
-   start_msg passives g_passives Pp.pp_unit_clause C.name;
+module Main(P : Paramod.Paramod with type t = leaf) = struct
+   
+ let run bag g_passives passives pp_unit_clause name = 
    match 
      P.paramod 
       ~max_steps:max_int bag ~g_passives:[g_passives] ~passives 
    with
    | P.Error s -> report_error s; 3
    | P.Unsatisfiable ((bag,_,l)::_) -> 
-         success_msg bag l Pp.pp_unit_clause C.name; 0
+         success_msg bag l pp_unit_clause name; 0
    | P.Unsatisfiable ([]) -> 
          report_error "Unsatisfiable but no solution output"; 3
    | P.GaveUp -> 2
@@ -135,6 +129,43 @@ module Main(C:Orderings.Blob with type t = leaf) = struct
  ;;
 end
 
+let worker order goal hypotheses =
+   let module C = 
+     struct type t = leaf let cmp (a,_) (b,_) = Pervasives.compare a b end 
+   in
+   let module B = MakeBlob(C) in
+   let module Pp = Pp.Pp(B) in
+   let module O = Orderings.NRKBO(B) in (* just for processing the clauses *)
+   let module P = Paramod.Paramod(O) in
+   let bag = Terms.empty_bag, 0 in
+   let bag, g_passives = P.mk_goal bag goal in
+   let bag, passives = 
+     HExtlib.list_mapi_acc (fun x _ b -> P.mk_passive b x) bag hypotheses 
+   in
+   (* TODO: do stats analysys there and generate a new
+    *       C and then B 
+    * TODO: rebuild clauses, since the ordering has to
+    *       change after the stats are computed *)
+   let module C = C in
+   let module B = MakeBlob(C) in
+   match order with
+   | `NRKBO ->
+       let module O = Orderings.NRKBO(B) in
+       let module Main = Main(Paramod.Paramod(O)) in
+       start_msg passives g_passives Pp.pp_unit_clause O.name;
+       Main.run bag g_passives passives Pp.pp_unit_clause O.name
+   | `KBO ->
+       let module O = Orderings.KBO(B) in
+       let module Main = Main(Paramod.Paramod(O)) in
+       start_msg passives g_passives Pp.pp_unit_clause O.name;
+       Main.run bag g_passives passives Pp.pp_unit_clause O.name
+   | `LPO ->
+       let module O = Orderings.LPO(B) in
+       let module Main = Main(Paramod.Paramod(O)) in
+       start_msg passives g_passives Pp.pp_unit_clause O.name;
+       Main.run bag g_passives passives Pp.pp_unit_clause O.name
+;;
+
 let print_status p = 
   let print_endline s = prerr_endline (string_of_int p ^ ": " ^ s) in
     function
@@ -197,17 +228,11 @@ usage: matitaprover [options] problemfile";
          let pid = Unix.fork () in 
          if pid = 0 then (exit (f ())) else pid)
     [ 
-      (fun () ->     
-        let module M = Main(Orderings.NRKBO(MakeBlob(struct let cmp (a,_) (b,_) = compare a b end))) in
-        M.main goal hypotheses)
+      (fun () -> worker `NRKBO goal hypotheses)
     ;
-      (fun () ->     
-        let module M = Main(Orderings.KBO(MakeBlob(struct let cmp (a,_) (b,_) = compare a b end))) in
-        M.main goal hypotheses)
+      (fun () -> worker `KBO goal hypotheses)
     ;
-      (fun () ->     
-        let module M = Main(Orderings.LPO(MakeBlob(struct let cmp (a,_) (b,_) = compare a b end))) in
-        M.main goal hypotheses)
+      (fun () -> worker `LPO goal hypotheses)
     ];
   let rec aux () =
     if List.length !childs = 0 then
diff --git a/helm/software/components/ng_paramodulation/paramod.ml b/helm/software/components/ng_paramodulation/paramod.ml
index 1cdb9eb5c..f3afc16f4 100644
--- a/helm/software/components/ng_paramodulation/paramod.ml
+++ b/helm/software/components/ng_paramodulation/paramod.ml
@@ -16,7 +16,29 @@ let debug _ = ();;
 
 let monster = 100;;
     
+module type Paramod =
+  sig
+    type t
+    type input
+    type szsontology = 
+      | Unsatisfiable of (t Terms.bag * int * int list) list
+      | GaveUp 
+      | Error of string 
+      | Timeout of int * t Terms.bag
+    type bag = t Terms.bag * int
+    val mk_passive : bag -> input * input -> bag * t Terms.unit_clause
+    val mk_goal : bag -> input * input -> bag * t Terms.unit_clause
+    val paramod : 
+      max_steps:int ->
+      ?timeout:float ->
+      bag -> 
+      g_passives:t Terms.unit_clause list -> 
+      passives:t Terms.unit_clause list -> szsontology
+  end
+
 module Paramod (B : Orderings.Blob) = struct
+  type t = B.t
+  type input = B.input
   type szsontology = 
     | Unsatisfiable of (B.t Terms.bag * int * int list) list
     | GaveUp 
diff --git a/helm/software/components/ng_paramodulation/paramod.mli b/helm/software/components/ng_paramodulation/paramod.mli
index 13fe56fc5..e133036af 100644
--- a/helm/software/components/ng_paramodulation/paramod.mli
+++ b/helm/software/components/ng_paramodulation/paramod.mli
@@ -11,20 +11,25 @@
 
 (* $Id: orderings.ml 9869 2009-06-11 22:52:38Z denes $ *)
 
-module Paramod ( B : Orderings.Blob ) : 
+module type Paramod =
   sig
+    type t
+    type input
     type szsontology = 
-      | Unsatisfiable of (B.t Terms.bag * int * int list) list
+      | Unsatisfiable of (t Terms.bag * int * int list) list
       | GaveUp 
       | Error of string 
-      | Timeout of int * B.t Terms.bag
-    type bag = B.t Terms.bag * int
-    val mk_passive : bag -> B.input * B.input -> bag * B.t Terms.unit_clause
-    val mk_goal : bag -> B.input * B.input -> bag * B.t Terms.unit_clause
+      | Timeout of int * t Terms.bag
+    type bag = t Terms.bag * int
+    val mk_passive : bag -> input * input -> bag * t Terms.unit_clause
+    val mk_goal : bag -> input * input -> bag * t Terms.unit_clause
     val paramod : 
       max_steps:int ->
       ?timeout:float ->
       bag -> 
-      g_passives:B.t Terms.unit_clause list -> 
-      passives:B.t Terms.unit_clause list -> szsontology
+      g_passives:t Terms.unit_clause list -> 
+      passives:t Terms.unit_clause list -> szsontology
   end
+
+module Paramod ( B : Orderings.Blob ) : Paramod
+with type t = B.t and type input = B.input