+(*
+ ||M|| This file is part of HELM, an Hypertextual, Electronic
+ ||A|| Library of Mathematics, developed at the Computer Science
+ ||T|| Department, University of Bologna, Italy.
+ ||I||
+ ||T|| HELM is free software; you can redistribute it and/or
+ ||A|| modify it under the terms of the GNU General Public License
+ \ / version 2 or (at your option) any later version.
+ \ / This software is distributed as is, NO WARRANTY.
+ V_______________________________________________________________ *)
+
+(* $Id: orderings.ml 9869 2009-06-11 22:52:38Z denes $ *)
+
module OT = struct type t = string let compare = Pervasives.compare end
module HC = Map.Make(OT)
hash "==";;
hash "_";;
+let problem_file = ref "no-file-given";;
+let tptppath = ref "./";;
+let seconds = ref 300;;
+
+let fail_msg () =
+ print_endline ("% SZS status Timeout for " ^
+ Filename.basename !problem_file)
+;;
+
let main () =
- let problem_file = ref "no-file-given" in
- let tptppath = ref "./" in
+ let _ =
+ Sys.signal 24 (Sys.Signal_handle (fun _ -> fail_msg (); exit 1)) in
+ let _ =
+ Sys.signal Sys.sigalrm
+ (Sys.Signal_handle (fun _ -> fail_msg (); exit 1)) in
Arg.parse [
- "--tptppath", Arg.String (fun p -> tptppath := p), "[path] TPTP lib root"
+ "--tptppath", Arg.String (fun p -> tptppath := p),
+ ("[path] TPTP lib root, default " ^ !tptppath);
+ "--timeout", Arg.Int (fun p -> seconds := p),
+ ("[seconds] timeout, default " ^ string_of_int !seconds);
] (fun x -> problem_file := x) "matitaprover [problemfile]";
let hypotheses, goals = Tptp_cnf.parse ~tptppath:!tptppath !problem_file in
let goal = match goals with [x] -> x | _ -> assert false in
HExtlib.list_mapi_acc (fun x _ b -> P.mk_passive b x) bag hypotheses
in
prerr_endline "Order";
- HC.iter (fun _ (w,x) -> prerr_endline (" " ^ x ^ " is " ^ string_of_int w)) !cache;
+ HC.iter
+ (fun _ (w,x) -> prerr_endline (" " ^ x ^ " is " ^ string_of_int w)) !cache;
prerr_endline "Facts";
List.iter (fun x -> prerr_endline (" " ^ Pp.pp_unit_clause x)) passives;
prerr_endline "Goal";
prerr_endline (" " ^ Pp.pp_unit_clause g_passives);
- ignore(P.paramod bag ~g_passives:[g_passives] ~passives);
- ()
+ let _ = Unix.alarm !seconds in
+ match P.paramod ~max_steps:max_int bag ~g_passives:[g_passives] ~passives with
+ | [] -> fail_msg ()
+ | (bag,_,l)::_ ->
+ print_endline ("% SZS status Unsatisfiable for " ^
+ Filename.basename !problem_file);
+ print_endline ("% SZS output start CNFRefutation for " ^
+ Filename.basename !problem_file);
+ flush stdout;
+ List.iter (fun x ->
+ print_endline (Pp.pp_unit_clause ~margin:max_int
+ (fst(Terms.M.find x bag)))) l;
+ print_endline ("% SZS output end CNFRefutation for " ^
+ Filename.basename !problem_file);
;;
main ()
(* $Id: orderings.ml 9869 2009-06-11 22:52:38Z denes $ *)
- (*let debug s = prerr_endline s ;;*)
- let debug _ = ();;
+let debug s = prerr_endline s ;;
+let debug _ = ();;
-let max_nb_iter = max_int ;;
-let amount_of_time = 300.0 ;;
-
module Paramod (B : Terms.Blob) = struct
exception Failure of string * B.t Terms.bag * int * int
type bag = B.t Terms.bag * int
add_passive_clauses g_passives new_goals
;;
- let rec given_clause bag maxvar nb_iter timeout actives passives g_actives g_passives =
- (* prerr_endline "Bag :"; prerr_endline (Pp.pp_bag bag);
- prerr_endline "Active table :";
- (List.iter (fun x -> prerr_endline (Pp.pp_unit_clause x))
- (fst actives)); *)
- let nb_iter = nb_iter + 1 in
- if nb_iter = max_nb_iter then
- raise (Failure ("No iterations left !",bag,maxvar,nb_iter));
- if Unix.gettimeofday () > timeout then
- raise (Failure ("Timeout !",bag,maxvar,nb_iter));
+ let rec given_clause
+ bag maxvar iterno max_steps timeout
+ actives passives g_actives g_passives
+ =
+ let iterno = iterno + 1 in
+ if iterno = max_steps then
+ raise (Failure ("No iterations left !",bag,maxvar,iterno));
+ (* timeout check: gettimeofday called only if timeout set *)
+ (match timeout with
+ | None -> ()
+ | Some timeout ->
+ if Unix.gettimeofday () > timeout then
+ raise (Failure ("Timeout !",bag,maxvar,iterno)));
- let use_age = nb_iter mod 10 = 0 in
+ let use_age = iterno mod 10 = 0 in
let rec aux_select passives g_passives =
let backward,current,passives,g_passives =
forward_infer_step bag maxvar actives passives
g_actives g_passives current
in
+
+ (* prerr_endline "Bag :"; prerr_endline (Pp.pp_bag bag);
+ prerr_endline "Active table :";
+ (List.iter (fun x -> prerr_endline (Pp.pp_unit_clause x))
+ (fst actives)); *)
let bag,maxvar,actives,passives,g_actives,g_passives =
aux_select passives g_passives
(Printf.sprintf "Number of passives : %d"
(passive_set_cardinal passives));
given_clause
- bag maxvar nb_iter timeout actives passives g_actives g_passives
+ bag maxvar iterno max_steps timeout
+ actives passives g_actives g_passives
;;
- let paramod (bag,maxvar) ~g_passives ~passives =
- let timeout = Unix.gettimeofday () +. amount_of_time in
+ let paramod ~max_steps ?timeout (bag,maxvar) ~g_passives ~passives =
+ let initial_timestamp = Unix.gettimeofday () in
let passives = add_passive_clauses passive_empty_set passives in
let g_passives = add_passive_clauses passive_empty_set g_passives in
let g_actives = [] in
let actives = [], IDX.DT.empty in
try
given_clause
- bag maxvar 0 timeout actives passives g_actives g_passives
+ bag maxvar 0 max_steps timeout actives passives g_actives g_passives
with
| Sup.Success (bag, _, (i,_,_,_)) ->
let l =
in
prerr_endline
(Printf.sprintf "Found proof, %fs"
- (Unix.gettimeofday() -. timeout +. amount_of_time));
- (* prerr_endline "Proof:";
- List.iter (fun x -> prerr_endline (string_of_int x);
- prerr_endline (Pp.pp_unit_clause (fst (Terms.M.find x bag)))) l;*)
+ (Unix.gettimeofday() -. initial_timestamp));
+ (*
+ prerr_endline "Proof:";
+ List.iter (fun x ->
+ prerr_endline (Pp.pp_unit_clause (fst(Terms.M.find x bag)))) l;
+ *)
[ bag, i, l ]
- | Failure (msg,_bag,_maxvar,nb_iter) ->
+ | Failure (msg,_bag,_maxvar,iterno) ->
prerr_endline msg;
- prerr_endline (Printf.sprintf "FAILURE in %d iterations" nb_iter);
+ prerr_endline (Printf.sprintf "FAILURE in %d iterations" iterno);
[]
;;
projects / helm.git / commitdiff