2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
12 (* $Id: orderings.ml 9869 2009-06-11 22:52:38Z denes $ *)
15 module B(C : NCicBlob.NCicContext): Orderings.Blob
16 with type t = NCic.term and type input = NCic.term
17 = Orderings.LPO(NCicBlob.NCicBlob(C))
19 module NCicParamod(C : NCicBlob.NCicContext) = Paramod.Paramod(B(C))
21 let nparamod rdb metasenv subst context t table =
24 let metasenv = metasenv
29 let module B = B(C) in
30 let module P = NCicParamod(C) in
31 let module Pp = Pp.Pp(B) in
32 let bag, maxvar = Terms.empty_bag, 0 in
33 let (bag,maxvar), goals =
34 HExtlib.list_mapi_acc (fun x _ a -> P.mk_goal a x) (bag,maxvar) [t]
36 let (bag,maxvar), passives =
37 HExtlib.list_mapi_acc (fun x _ a -> P.mk_passive a x) (bag,maxvar) table
40 P.paramod ~useage:true ~max_steps:max_int ~timeout:(Unix.gettimeofday () +. 300.0)
41 ~g_passives:goals ~passives (bag,maxvar)
43 | P.Error _ | P.GaveUp | P.Timeout _ -> []
44 | P.Unsatisfiable solutions ->
47 (* List.iter (fun x ->
48 print_endline (Pp.pp_unit_clause ~margin:max_int
49 (fst(Terms.M.find x bag)))) l; *)
50 let stamp = Unix.gettimeofday () in
51 let proofterm = NCicProof.mk_proof bag i l in
52 prerr_endline (Printf.sprintf "Got proof term in %fs"
53 (Unix.gettimeofday() -. stamp));
54 let metasenv, proofterm =
55 let rec aux k metasenv = function
56 | NCic.Meta _ as t -> metasenv, t
58 let metasenv, i, _, _ =
59 NCicMetaSubst.mk_meta metasenv context `IsTerm
61 metasenv, NCic.Meta (i,(k,NCic.Irl (List.length context)))
62 | t -> NCicUntrusted.map_term_fold_a
63 (fun _ k -> k+1) k aux metasenv t
65 aux 0 metasenv proofterm
67 let metasenv, subst, proofterm, _prooftype =
69 (rdb#set_coerc_db NCicCoercion.empty_db)
70 metasenv subst context proofterm None
72 proofterm, metasenv, subst)