From: Enrico Tassi Date: Thu, 18 May 2006 11:06:40 +0000 (+0000) Subject: existential variables in goal supported X-Git-Tag: make_still_working~7353 X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=2cd538bfba517fa5a300f3b5d32afaa380a7f59f;p=helm.git existential variables in goal supported --- diff --git a/helm/software/components/tactics/paramodulation/equality.ml b/helm/software/components/tactics/paramodulation/equality.ml index b6c3dc66a..34b69718f 100644 --- a/helm/software/components/tactics/paramodulation/equality.ml +++ b/helm/software/components/tactics/paramodulation/equality.ml @@ -465,18 +465,19 @@ let pp_proof names goalproof proof = ((List.map (fun (_,i,_,_) -> string_of_int i) goalproof))) ;; -let build_goal_proof l initial ty = - let proof = +let build_goal_proof l initial ty se = + let se = List.map (fun i -> Cic.Meta (i,[])) se in + let proof,se = List.fold_left - (fun current_proof (pos,id,subst,pred) -> + (fun (current_proof,se) (pos,id,subst,pred) -> let p,l,r = proof_of_id id in let p = build_proof_term p in let pos = if pos = Utils.Left then Utils.Right else Utils.Left in - build_proof_step subst current_proof p pos l r pred) - initial l + build_proof_step subst current_proof p pos l r pred, + List.map (fun x -> Subst.apply_subst subst x) se) + (initial,se) l in - proof - (*canonical (contextualize_rewrites proof ty)*) + canonical (contextualize_rewrites proof ty), se ;; let refl_proof ty term = @@ -486,8 +487,9 @@ let refl_proof ty term = ty; term] ;; -let metas_of_proof p = - Utils.metas_of_term (build_proof_term p) +let metas_of_proof p = + let p = build_proof_term p in + Utils.metas_of_term p ;; let relocate newmeta menv = @@ -520,7 +522,7 @@ let fix_metas newmeta eq = let fix_proof = function | Exact p -> Exact (Subst.apply_subst subst p) | Step (s,(r,id1,(pos,id2),pred)) -> - Step (Subst.concat_substs s subst,(r,id1,(pos,id2), pred)) + Step (Subst.concat s subst,(r,id1,(pos,id2), pred)) in let p = fix_proof p in let eq = mk_equality (w, p, (ty, left, right, o), metasenv) in diff --git a/helm/software/components/tactics/paramodulation/equality.mli b/helm/software/components/tactics/paramodulation/equality.mli index d2c58041d..c86cbdeac 100644 --- a/helm/software/components/tactics/paramodulation/equality.mli +++ b/helm/software/components/tactics/paramodulation/equality.mli @@ -57,10 +57,14 @@ val compare : equality -> equality -> int val string_of_equality : ?env:Utils.environment -> equality -> string val string_of_proof : ?names:(Cic.name option)list -> proof -> goal_proof -> string -val build_proof_term: proof -> Cic.term +val build_proof_term: + proof -> Cic.term +(* given a proof and a list of meta indexes we are interested in the + * instantiation gives back the cic proof and the list of instantiations *) (* build_goal_proof [goal_proof] [initial_proof] [ty] * [ty] is the type of the goal *) -val build_goal_proof: goal_proof -> Cic.term -> Cic.term-> Cic.term +val build_goal_proof: + goal_proof -> Cic.term -> Cic.term-> int list -> Cic.term * Cic.term list val refl_proof: Cic.term -> Cic.term -> Cic.term (** ensures that metavariables in equality are unique *) val fix_metas: int -> equality -> int * equality diff --git a/helm/software/components/tactics/paramodulation/indexing.ml b/helm/software/components/tactics/paramodulation/indexing.ml index fd3caa345..2c560cb55 100644 --- a/helm/software/components/tactics/paramodulation/indexing.ml +++ b/helm/software/components/tactics/paramodulation/indexing.ml @@ -437,20 +437,9 @@ let subsumption_aux use_unification env table target = let _, _, (_, l, r, o), m,_ = Equality.open_equality equation in try let other = if pos = Utils.Left then r else l in + let what' = Subst.apply_subst subst what in let subst', menv', ug' = - let t1 = Unix.gettimeofday () in - try - let other = Subst.apply_subst subst other in - let r = unif_fun metasenv m context what other ugraph in - let t2 = Unix.gettimeofday () in - match_unif_time_ok := !match_unif_time_ok +. (t2 -. t1); - r - with - | Inference.MatchingFailure - | CicUnification.UnificationFailure _ as e -> - let t2 = Unix.gettimeofday () in - match_unif_time_no := !match_unif_time_no +. (t2 -. t1); - raise e + unif_fun metasenv m context what' other ugraph in (match Subst.merge_subst_if_possible subst subst' with | None -> ok what tl diff --git a/helm/software/components/tactics/paramodulation/saturation.ml b/helm/software/components/tactics/paramodulation/saturation.ml index 351bc11bd..b93f6b091 100644 --- a/helm/software/components/tactics/paramodulation/saturation.ml +++ b/helm/software/components/tactics/paramodulation/saturation.ml @@ -142,10 +142,10 @@ let age_factor = 0.01;; of weight, age and goal-similarity *) -let rec select env goals passive = +let rec select env (goals,_) passive = processed_clauses := !processed_clauses + 1; let goal = - match (List.rev goals) with (_, goal::_)::_ -> goal | _ -> assert false + match (List.rev goals) with goal::_ -> goal | _ -> assert false in let (pos_list, pos_set), passive_table = passive in let remove eq l = List.filter (fun e -> Equality.compare e eq <> 0) l in @@ -654,25 +654,15 @@ let simplify_goals env goals ?passive active = let a_goals, p_goals = goals in let p_goals = List.map - (fun (d, gl) -> - let gl = - List.map (fun g -> snd (simplify_goal env g ?passive active)) gl in - d, gl) + (fun g -> snd (simplify_goal env g ?passive active)) p_goals in - let goals = - List.fold_left - (fun (a, p) (d, gl) -> - let changed = ref false in - let gl = - List.map - (fun g -> - let c, g = simplify_goal env g ?passive active in - changed := !changed || c; g) gl in - if !changed then (a, (d, gl)::p) else ((d, gl)::a, p)) - ([], p_goals) a_goals + let a_goals = + List.map + (fun g -> snd (simplify_goal env g ?passive active)) + a_goals in - goals + a_goals, p_goals ;; @@ -718,8 +708,6 @@ let backward_simplify_active env new_pos new_table min_weight active = else eq::p) newa [] in - if List.length active1 <> List.length (fst active) then - prerr_endline "\n\n\nMANCAVANO DELLE PRUNED!!!!\n\n\n"; match newa with | [] -> (active1,tbl), None, pruned | _ -> (active1,tbl), Some newa, pruned @@ -843,6 +831,9 @@ let make_goals goal = active, passive ;; +let make_goal_set goal = + ([],[goal]) +;; (** initializes the set of theorems *) let make_theorems theorems = @@ -957,8 +948,8 @@ let print_goals goals = ;; let check_if_goal_is_subsumed ((_,ctx,_) as env) table (goalproof,menv,ty) = - let names = names_of_context ctx in - Printf.eprintf "check_goal_subsumed: %s\n" (CicPp.pp ty names); +(* let names = names_of_context ctx in*) +(* Printf.eprintf "check_goal_subsumed: %s\n" (CicPp.pp ty names);*) match ty with | Cic.Appl[Cic.MutInd(uri,_,_);eq_ty;left;right] when UriManager.eq uri (LibraryObjects.eq_URI ()) -> @@ -966,8 +957,8 @@ let check_if_goal_is_subsumed ((_,ctx,_) as env) table (goalproof,menv,ty) = Equality.mk_equality (0,Equality.Exact (Cic.Implicit None),(eq_ty,left,right,Eq),menv) in - match Indexing.subsumption env table goal_equation with -(* match Indexing.unification env table goal_equation with *) +(* match Indexing.subsumption env table goal_equation with*) + match Indexing.unification env table goal_equation with | Some (subst, equality ) -> let (_,p,(ty,l,r,_),m,id) = Equality.open_equality equality in let cicmenv = Subst.apply_subst_metasenv subst (m @ menv) in @@ -982,11 +973,18 @@ let counter = ref 0 let rec given_clause_fullred dbd env goals theorems ~passive active = let goals = simplify_goals env goals ~passive active in let _,context,_ = env in - let ok, goals = activate_goal goals in + let ok, (goals: + (Equality.goal_proof * Cic.metasenv * Cic.term) list * + (Equality.goal_proof * Cic.metasenv * Cic.term) list) = activate_goal + + (goals: + (Equality.goal_proof * Cic.metasenv * Cic.term) list * + (Equality.goal_proof * Cic.metasenv * Cic.term) list) + in (* let theorems = simplify_theorems env theorems ~passive active in *) if ok then let names = List.map (HExtlib.map_option (fun (name,_) -> name)) context in - let _, _, t = List.hd (snd (List.hd (fst goals))) in + let _, _, t = List.hd (fst goals) in let _ = prerr_endline ("goal activated = " ^ (CicPp.pp t names)) in (* let _ = *) (* debug_print *) @@ -1003,12 +1001,12 @@ let rec given_clause_fullred dbd env goals theorems ~passive active = let ok, proof = (* apply_goal_to_theorems dbd env theorems ~passive active goals in *) let iseq uri = UriManager.eq uri (LibraryObjects.eq_URI ()) in - match (fst goals) with - | (_,[goalproof,m,Cic.Appl[Cic.MutInd(uri,_,ens);eq_ty;left;right]])::_ + match fst goals with + | (goalproof,m,Cic.Appl[Cic.MutInd(uri,_,ens);eq_ty;left;right])::_ when left = right && iseq uri -> let reflproof = Equality.Exact (Equality.refl_proof eq_ty left) in true, Some (goalproof, reflproof, Subst.empty_subst,m) - | (_, [goal])::_ -> + | goal::_ -> (match check_if_goal_is_subsumed env (snd active) goal with | None -> false,None | Some p -> @@ -1122,7 +1120,7 @@ and given_clause_fullred_aux dbd env goals theorems passive active = | true -> ParamodulationFailure "" (* given_clause_fullred dbd env goals theorems passive active *) | false -> - let current, passive = select env (fst goals) passive in + let current, passive = select env goals passive in prerr_endline ("Selected = " ^ Equality.string_of_equality ~env current); (* ^ @@ -1270,27 +1268,25 @@ let rec check goal = function ;; let simplify_goal_set env goals passive active = - (* - let supl_goals = - (List.flatten - (List.map (Indexing.superposition_left env (snd active)) - goals)) - in - *) + let active_goals, passive_goals = goals in let simplified = HExtlib.filter_map (fun g -> match simplify_goal env g ~passive active with | true, g -> Some g | false, g -> Some g) - goals + active_goals in + (simplified,passive_goals) + (* HExtlib.list_uniq ~eq:(fun (_,_,t1) (_,_,t2) -> t1 = t2) (List.sort (fun (_,_,t1) (_,_,t2) -> compare t1 t1) ((*goals @*) simplified)) + *) ;; let check_if_goals_set_is_solved env active goals = + let active_goals, passive_goals = goals in List.fold_left (fun proof goal -> match proof with @@ -1299,14 +1295,39 @@ let check_if_goals_set_is_solved env active goals = check goal [ check_if_goal_is_identity env; check_if_goal_is_subsumed env (snd active)]) - None goals + None active_goals ;; -let size_of_goal_set = List.length;; +let infer_goal_set env active goals = + let active_goals, passive_goals = goals in + match passive_goals with + | [] -> goals + | hd::tl -> + let selected = hd in + let passive_goals = tl in + let new' = Indexing.superposition_left env (snd active) selected in + selected::active_goals, passive_goals @ new' +;; + +let infer_goal_set_with_current env current goals = + let active_goals, passive_goals = goals in + let _,table,_ = build_table [current] in + active_goals, + List.fold_left + (fun acc g -> + let new' = Indexing.superposition_left env table g in + acc @ new') + passive_goals active_goals +;; + + + +let size_of_goal_set_a (l,_) = List.length l;; +let size_of_goal_set_p (_,l) = List.length l;; (** given-clause algorithm with full reduction strategy: NEW implementation *) (* here goals is a set of goals in OR *) -let given_clause +let given_clause ((_,context,_) as env) goals theorems passive active max_iterations max_time = let initial_time = Unix.gettimeofday () in @@ -1334,9 +1355,9 @@ let given_clause ParamodulationSuccess p | None -> prerr_endline - (Printf.sprintf "%d #ACTIVES: %d #PASSIVES: %d #GOALSET: %d\n" + (Printf.sprintf "%d #ACTIVES: %d #PASSIVES: %d #GOALSET: %d(%d)\n" iterno (size_of_active active) (size_of_passive passive) - (size_of_goal_set goals)); + (size_of_goal_set_a goals) (size_of_goal_set_p goals)); (* PRUNING OF PASSIVE THAT WILL NEVER BE PROCESSED *) let passive = let selection_estimate = iterations_left iterno in @@ -1355,7 +1376,8 @@ let given_clause ParamodulationFailure "No more passive" (* maybe this is a success! *) else begin - let current, passive = select env [1,goals] passive in + let goals = infer_goal_set env active goals in + let current, passive = select env goals passive in Printf.eprintf "Selected = %s\n" (Equality.string_of_equality ~env current); (* SIMPLIFICATION OF CURRENT *) @@ -1367,6 +1389,7 @@ let given_clause | Some current -> (* GENERATION OF NEW EQUATIONS *) let new' = infer env current active in + let goals = infer_goal_set_with_current env current goals in let active = if Equality.is_identity env current then assert false @@ -1405,7 +1428,7 @@ let rec saturate_equations env goal accept_fun passive active = if !elapsed_time > !time_limit then (active, passive) else - let current, passive = select env [1, [goal]] passive in + let current, passive = select env ([goal],[]) passive in let res = forward_simplify env (Positive, current) ~passive active in match res with | None -> @@ -1652,31 +1675,18 @@ let saturate maxdepth := depth; maxwidth := width; (* CicUnification.unif_ty := false;*) - let proof, goal = status in - let goal' = goal in + let proof, goalno = status in let uri, metasenv, meta_proof, term_to_prove = proof in - let _, context, goal = CicUtil.lookup_meta goal' metasenv in + let _, context, type_of_goal = CicUtil.lookup_meta goalno metasenv in let names = names_of_context context in let eq_indexes, equalities, maxm = find_equalities context proof in - let new_meta_goal, metasenv, type_of_goal = - let irl = - CicMkImplicit.identity_relocation_list_for_metavariable context in - let _, context, ty = CicUtil.lookup_meta goal' metasenv in - debug_print - (lazy (Printf.sprintf "\n\nTIPO DEL GOAL: %s\n" (CicPp.ppterm ty))); - Cic.Meta (maxm+1, irl), - (maxm+1, context, ty)::metasenv, - ty - in let ugraph = CicUniv.empty_ugraph in let env = (metasenv, context, ugraph) in - prerr_endline - ("METASENV DEL GOAL: " ^ CicMetaSubst.ppmetasenv [] metasenv ); - let goal = [], metasenv, goal in + let goal = [], metasenv, type_of_goal in let res, time = let t1 = Unix.gettimeofday () in let lib_eq_uris, library_equalities, maxm = - find_library_equalities dbd context (proof, goal') (maxm+2) + find_library_equalities dbd context (proof, goalno) (maxm+2) in let library_equalities = List.map snd library_equalities in let t2 = Unix.gettimeofday () in @@ -1688,7 +1698,7 @@ let saturate let t1 = Unix.gettimeofday () in let theorems = if full then - let thms = find_library_theorems dbd env (proof, goal') lib_eq_uris in + let thms = find_library_theorems dbd env (proof, goalno) lib_eq_uris in let context_hyp = find_context_hypotheses env eq_indexes in context_hyp @ thms, [] else @@ -1725,12 +1735,9 @@ let saturate let goals = make_goals goal in given_clause_fullred dbd env goals theorems passive active *) - let goals = [goal] in + let goals = make_goal_set goal in let max_iterations = 1000 in - let max_time = - Unix.gettimeofday () +. - 600. (* minutes *) - in + let max_time = Unix.gettimeofday () +. 600. (* minutes *) in given_clause env goals theorems passive active max_iterations max_time in let finish = Unix.gettimeofday () in @@ -1742,153 +1749,88 @@ let saturate | ParamodulationSuccess (goalproof,newproof,subsumption_subst, proof_menv) -> prerr_endline "OK, found a proof!"; - - prerr_endline "NEWPROOF"; - (* prerr_endline (Equality.string_of_proof_new ~names newproof - * goalproof);*) prerr_endline (Equality.pp_proof names goalproof newproof); - -(* assert false; *) - - (* generation of the proof *) - let cic_proof_new = - Equality.build_goal_proof - goalproof (Equality.build_proof_term newproof) type_of_goal + prerr_endline "ENDOFPROOFS"; + (* generation of the CIC proof *) + let side_effects = + List.filter (fun i -> i <> goalno) + (ProofEngineHelpers.compare_metasenvs + ~newmetasenv:metasenv ~oldmetasenv:proof_menv) in - let cic_proof_new = - Subst.apply_subst subsumption_subst cic_proof_new + let free_metas = + List.filter (fun i -> i <> goalno) + (ProofEngineHelpers.compare_metasenvs + ~oldmetasenv:metasenv ~newmetasenv:proof_menv) in - - (* replacing fake mets with real ones *) - let equality_for_replace i t1 = - match t1 with - | C.Meta (n, _) -> n = i - | _ -> false + let goal_proof, side_effects_t = + let initial = Equality.build_proof_term newproof in + Equality.build_goal_proof goalproof initial type_of_goal side_effects in - let mkirl = CicMkImplicit.identity_relocation_list_for_metavariable in - prerr_endline "replacing metas (new)"; - let newproof_menv, what, with_what,_ = - let irl = mkirl context in + let goal_proof = Subst.apply_subst subsumption_subst goal_proof in + let side_effects_t = + List.map (Subst.apply_subst subsumption_subst) side_effects_t + in + (* replacing fake mets with real ones *) + prerr_endline "replacing metas..."; + let irl=CicMkImplicit.identity_relocation_list_for_metavariable context in + let goal_proof_menv, what, with_what,free_meta = List.fold_left (fun (acc1,acc2,acc3,uniq) (i,_,ty) -> match uniq with | Some m -> - acc1, - (Cic.Meta(i,[]))::acc2, - m::acc3, uniq + acc1, (Cic.Meta(i,[]))::acc2, m::acc3, uniq | None -> - [i,context,ty], - (Cic.Meta(i,[]))::acc2, + [i,context,ty], (Cic.Meta(i,[]))::acc2, (Cic.Meta(i,irl)) ::acc3,Some (Cic.Meta(i,irl))) ([],[],[],None) proof_menv in - let cic_proof_new = ProofEngineReduction.replace_lifting - ~equality:(=) - ~what ~with_what - ~where:cic_proof_new - in - - (* pp new/old proof *) -(* prerr_endline "NEWPROOFCIC";*) -(* prerr_endline (CicPp.pp cic_proof_new names); *) - - (* generation of proof metasenv *) - let newmetasenv_new = metasenv@newproof_menv in - let newmetasenv_new = - let i1 = - match new_meta_goal with - | C.Meta (i, _) -> i | _ -> assert false - in - List.filter (fun (i, _, _) -> i <> i1 && i <> goal') newmetasenv_new + let replace where = + ProofEngineReduction.replace_lifting + ~equality:(=) ~what ~with_what ~where in + let goal_proof = replace goal_proof in + (* ok per le meta libere... ma per quelle che c'erano e sono rimaste? + * what mi pare buono, sostituisce solo le meta farlocche *) + let side_effects_t = List.map replace side_effects_t in (* check/refine/... build the new proof *) - let newstatus = - let cic_proof,newmetasenv,proof_menv,ty, ug = - let cic_proof_new,new_ty,newmetasenv_new,newug = - try - (* - prerr_endline "refining ... (new) "; - CicRefine.type_of_aux' - newmetasenv_new context cic_proof_new ugraph - *) - let ty,ug = - prerr_endline "typechecking ... (new) "; - CicTypeChecker.type_of_aux' - newmetasenv_new context cic_proof_new ugraph - in - cic_proof_new, ty, newmetasenv_new, ug - with - | CicTypeChecker.TypeCheckerFailure s -> - prerr_endline "THE PROOF DOESN'T TYPECHECK!!!"; - prerr_endline (Lazy.force s); - assert false - | CicRefine.RefineFailure s - | CicRefine.Uncertain s - | CicRefine.AssertFailure s -> - prerr_endline "FAILURE IN REFINE"; - prerr_endline (Lazy.force s); - assert false - in - if List.length newmetasenv_new <> 0 then - prerr_endline - ("Some METAS are still open: "(* ^ CicMetaSubst.ppmetasenv - [] newmetasenv_new*)); - cic_proof_new, newmetasenv_new, newmetasenv_new,new_ty, newug - (* THE OLD PROOF: cic_proof,newmetasenv,proof_menv,oldty,oldug *) - in - prerr_endline "FINAL PROOF"; - prerr_endline (CicPp.pp cic_proof names); - prerr_endline "ENDOFPROOFS"; - (* - debug_print - (lazy - (Printf.sprintf - "\nGOAL was: %s\nPROOF has type: %s\nconvertible?: %s\n" - (CicPp.pp type_of_goal names) (CicPp.pp ty names) - (string_of_bool - (fst (CicReduction.are_convertible - context type_of_goal ty ug))))); - *) - let real_proof = - ProofEngineReduction.replace - ~equality:equality_for_replace - ~what:[goal'] ~with_what:[cic_proof] - ~where:meta_proof + let replaced_goal = + ProofEngineReduction.replace + ~what:side_effects ~with_what:side_effects_t + ~equality:(fun i t -> match t with Cic.Meta(j,_)->j=i|_->false) + ~where:type_of_goal + in + let subst_side_effects,real_menv,_ = + let fail t s = raise (ProofEngineTypes.Fail (lazy (t^Lazy.force s))) in + let free_metas_menv = + List.map (fun i -> CicUtil.lookup_meta i goal_proof_menv) free_metas in - (* - debug_print - (lazy - (Printf.sprintf "status:\n%s\n%s\n%s\n%s\n" - (match uri with Some uri -> UriManager.string_of_uri uri - | None -> "") - (print_metasenv newmetasenv) - (CicPp.pp real_proof [](* names *)) - (CicPp.pp term_to_prove names))); - *) - let open_goals = List.map (fun (i,_,_) -> i) proof_menv in - (uri, newmetasenv, real_proof, term_to_prove), open_goals + try + CicUnification.fo_unif_subst [] context (metasenv @ free_metas_menv) + replaced_goal type_of_goal CicUniv.empty_ugraph + with + | CicUnification.UnificationFailure s + | CicUnification.Uncertain s + | CicUnification.AssertFailure s -> + fail "Maybe the local context of metas in the goal was not an IRL" s + in + + let final_subst = + (goalno,(context,goal_proof,type_of_goal))::subst_side_effects + in + let proof, real_metasenv = + ProofEngineHelpers.subst_meta_and_metasenv_in_proof + proof goalno (CicMetaSubst.apply_subst final_subst) real_menv in - if Utils.time then - begin - let tall = fs_time_info.build_all in - let tdemodulate = fs_time_info.demodulate in - let tsubsumption = fs_time_info.subsumption in - prerr_endline ( - (Printf.sprintf "\nTIME NEEDED: %.9f" time) ^ - (Printf.sprintf "\ntall: %.9f" tall) ^ - (Printf.sprintf "\ntdemod: %.9f" tdemodulate) ^ - (Printf.sprintf "\ntsubsumption: %.9f" tsubsumption) ^ - (Printf.sprintf "\ninfer_time: %.9f" !infer_time) ^ - (Printf.sprintf "\nforward_simpl_times: %.9f" - !forward_simpl_time) ^ - (Printf.sprintf "\nforward_simpl_new_times: %.9f" - !forward_simpl_new_time) ^ - (Printf.sprintf "\nbackward_simpl_times: %.9f" - !backward_simpl_time) ^ - (Printf.sprintf "\npassive_maintainance_time: %.9f" - !passive_maintainance_time)) - end; - newstatus + let open_goals = + match free_meta with Some (Cic.Meta (m,_)) -> [m] | _ -> [] + in + Printf.eprintf + "GOALS APERTI: %s\nMETASENV PRIMA:\n%s\nMETASENV DOPO:\n%s\n" + (String.concat ", " (List.map string_of_int open_goals)) + (CicMetaSubst.ppmetasenv [] metasenv) + (CicMetaSubst.ppmetasenv [] real_metasenv); + prerr_endline (Printf.sprintf "\nTIME NEEDED: %8.2f" time); + proof, open_goals ;; let retrieve_and_print dbd term metasenv ugraph = @@ -1901,18 +1843,8 @@ let retrieve_and_print dbd term metasenv ugraph = let proof, goals = status in let goal' = List.nth goals 0 in let uri, metasenv, meta_proof, term_to_prove = proof in - let _, context, goal = CicUtil.lookup_meta goal' metasenv in + let _, context, type_of_goal = CicUtil.lookup_meta goal' metasenv in let eq_indexes, equalities, maxm = find_equalities context proof in - let new_meta_goal, metasenv, type_of_goal = - let irl = - CicMkImplicit.identity_relocation_list_for_metavariable context in - let _, context, ty = CicUtil.lookup_meta goal' metasenv in - debug_print - (lazy (Printf.sprintf "\n\nTIPO DEL GOAL: %s\n" (CicPp.ppterm ty))); - Cic.Meta (maxm+1, irl), - (maxm+1, context, ty)::metasenv, - ty - in let ugraph = CicUniv.empty_ugraph in let env = (metasenv, context, ugraph) in let t1 = Unix.gettimeofday () in @@ -2086,8 +2018,8 @@ let demodulate_tac ~dbd ~pattern ((proof,goal) as initialstatus) = if newmeta != maxm then begin let opengoal = Cic.Meta(maxm,irl) in - let proofterm = - Equality.build_goal_proof newproof opengoal ty in + let proofterm,_ = + Equality.build_goal_proof newproof opengoal ty [] in let extended_metasenv = (maxm,context,newty)::metasenv in let extended_status = (curi,extended_metasenv,pbo,pty),goal in diff --git a/helm/software/components/tactics/paramodulation/subst.ml b/helm/software/components/tactics/paramodulation/subst.ml index f738d2f63..819472a15 100644 --- a/helm/software/components/tactics/paramodulation/subst.ml +++ b/helm/software/components/tactics/paramodulation/subst.ml @@ -211,5 +211,6 @@ let merge_subst_if_possible = naif_merge_subst_if_possible;; let empty_subst = [];; -let concat_substs x y = x @ y;; +let concat x y = x @ y;; + diff --git a/helm/software/components/tactics/paramodulation/subst.mli b/helm/software/components/tactics/paramodulation/subst.mli index 3bbf7d00c..9c124d963 100644 --- a/helm/software/components/tactics/paramodulation/subst.mli +++ b/helm/software/components/tactics/paramodulation/subst.mli @@ -39,5 +39,4 @@ val is_in_subst : int -> substitution -> bool val merge_subst_if_possible: substitution -> substitution -> substitution option -val concat_substs: substitution -> substitution -> substitution - +val concat: substitution -> substitution -> substitution diff --git a/helm/software/components/tactics/paramodulation/utils.ml b/helm/software/components/tactics/paramodulation/utils.ml index 18ccd5f79..6a32e2595 100644 --- a/helm/software/components/tactics/paramodulation/utils.ml +++ b/helm/software/components/tactics/paramodulation/utils.ml @@ -429,7 +429,6 @@ let compare_weights ?(normalize=false) | (m, _, n) when m > 0 && n > 0 -> Incomparable | _ -> assert false - ;;