* http://cs.unibo.it/helm/.
*)
-(* $Id$ *)
+let _profiler = <:profiler<_profiler>>;;
-(* <:profiler<"saturation">> *)
+(* $Id$ *)
open Inference;;
open Utils;;
let maxwidth = ref 3;;
type new_proof =
- Equality.goal_proof * Equality.proof * Subst.substitution * Cic.metasenv
+ Equality.goal_proof * Equality.proof * int * Subst.substitution * Cic.metasenv
type result =
| ParamodulationFailure of string
| ParamodulationSuccess of new_proof
let compare eq1 eq2 =
match Equality.meta_convertibility_eq eq1 eq2 with
| true -> 0
- | false ->
+ | false ->
let w1, _, (ty,left, right, _), m1,_ = Equality.open_equality eq1 in
let w2, _, (ty',left', right', _), m2,_ = Equality.open_equality eq2 in
match Pervasives.compare w1 w2 with
(ignore(Indexing.check_target c current "infer1");
ignore(List.map (function current -> Indexing.check_target c current "infer2") active_list));
let new_pos =
- let maxm, res =
- Indexing.superposition_right !maxmeta env active_table current in
+ let maxm, copy_of_current = Equality.fix_metas !maxmeta current in
+ maxmeta := maxm;
+ let active_table = Indexing.index active_table copy_of_current in
+ let _ = <:start<current contro active>> in
+ let maxm, res =
+ Indexing.superposition_right !maxmeta env active_table current
+ in
+ let _ = <:stop<current contro active>> in
if Utils.debug_metas then
ignore(List.map
(function current ->
| [] -> []
| equality::tl ->
let maxm, res =
- Indexing.superposition_right !maxmeta env table equality in
+ Indexing.superposition_right ~subterms_only:true !maxmeta env table equality
+ in
maxmeta := maxm;
if Utils.debug_metas then
ignore
let pos = infer_positive table tl in
res @ pos
in
+(*
let maxm, copy_of_current = Equality.fix_metas !maxmeta current in
maxmeta := maxm;
+*)
let curr_table = Indexing.index Indexing.empty current in
- let pos = infer_positive curr_table (copy_of_current::active_list)
- in
+ let _ = <:start<active contro current>> in
+ let pos = infer_positive curr_table ((*copy_of_current::*)active_list) in
+ let _ = <:stop<active contro current>> in
if Utils.debug_metas then
ignore(List.map
(function current ->
Indexing.check_target c current "sup3") pos);
- res @ pos
+ res @ pos
in
derived_clauses := !derived_clauses + (List.length new_pos);
match !maximal_retained_equality with
let check_for_deep_subsumption env active_table eq =
let _,_,(eq_ty, left, right, order),metas,id = Equality.open_equality eq in
- if id = 14242 then assert false;
-
let check_subsumed deep l r =
let eqtmp =
Equality.mk_tmp_equality(0,(eq_ty,l,r,Utils.Incomparable),metas)in
match Indexing.subsumption env active_table eqtmp with
| None -> false
- | Some (s,eq') ->
-(*
- prerr_endline
- ("\n\n " ^ Equality.string_of_equality ~env eq ^
- "\nis"^(if deep then " CONTEXTUALLY " else " ")^"subsumed by \n " ^
- Equality.string_of_equality ~env eq' ^ "\n\n");
-*)
- true
+ | Some _ -> true
in
let rec aux b (ok_so_far, subsumption_used) t1 t2 =
match t1,t2 with
| t1, t2 when not ok_so_far -> ok_so_far, subsumption_used
| t1, t2 when subsumption_used -> t1 = t2, subsumption_used
-(* VERSIONE ERRATA
- | Cic.Appl (h1::l),Cic.Appl (h2::l') when h1 = h2 ->
- let rc = check_subsumed b t1 t1 in
- if rc then
- true, true
- else if h1 = h2 then
- (try
- List.fold_left2
- (fun (ok_so_far, subsumption_used) t t' ->
- aux true (ok_so_far, subsumption_used) t t')
- (ok_so_far, subsumption_used) l l'
- with Invalid_argument _ -> false,subsumption_used)
- else
- false, subsumption_used
- | _ -> false, subsumption_used *)
| Cic.Appl (h1::l),Cic.Appl (h2::l') ->
let rc = check_subsumed b t1 t2 in
if rc then
fst (aux false (true,false) left right)
;;
-(*
-let check_for_deep env active_table eq =
- match Indexing.subsumption env active_table eq with
- | None -> false
- | Some _ -> true
-;;
-*)
-
-let profiler = HExtlib.profile "check_for_deep";;
-
-let check_for_deep_subsumption env active_table eq =
- profiler.HExtlib.profile (check_for_deep_subsumption env active_table) eq
-;;
-
(* buttare via sign *)
(** simplifies current using active and passive *)
Indexing.demodulation_equality !maxmeta env table sign current in
maxmeta := newmeta;
if Equality.is_identity env newcurrent then
-(* debug_print *)
-(* (lazy *)
-(* (Printf.sprintf "\ncurrent was: %s\nnewcurrent is: %s\n" *)
-(* (string_of_equality current) *)
-(* (string_of_equality newcurrent))); *)
-(* debug_print *)
-(* (lazy *)
-(* (Printf.sprintf "active is: %s" *)
-(* (String.concat "\n" *)
-(* (List.map (fun (_, e) -> (string_of_equality e)) active_list)))); *)
- None
+ None
else
Some newcurrent
in
(* if Indexing.subsumption env active_table c = None then*)
(match Indexing.subsumption env passive_table c with
| None -> res
- | Some (_,c') ->
+ | Some (_,c',_) ->
None
(*prerr_endline "\n\nPESCO DALLE PASSIVE LA PIU' GENERALE\n\n";
Some c'*))
*)
;;
-type fs_time_info_t = {
- mutable build_all: float;
- mutable demodulate: float;
- mutable subsumption: float;
-};;
-
-let fs_time_info = { build_all = 0.; demodulate = 0.; subsumption = 0. };;
-
-
(** simplifies new using active and passive *)
let forward_simplify_new env new_pos ?passive active =
if Utils.debug_metas then
(fun current -> Indexing.check_target c current "forward new pos")
new_pos;)
end;
- let t1 = Unix.gettimeofday () in
-
let active_list, active_table = active in
let passive_table =
match passive with
| None -> None
| Some ((_, _), pt) -> Some pt
in
- let t2 = Unix.gettimeofday () in
- fs_time_info.build_all <- fs_time_info.build_all +. (t2 -. t1);
-
let demodulate sign table target =
let newmeta, newtarget =
Indexing.demodulation_equality !maxmeta env table sign target in
maxmeta := newmeta;
newtarget
in
- let t1 = Unix.gettimeofday () in
(* we could also demodulate using passive. Currently we don't *)
let new_pos =
List.map (demodulate Positive active_table) new_pos
in
- let t2 = Unix.gettimeofday () in
- fs_time_info.demodulate <- fs_time_info.demodulate +. (t2 -. t1);
-
let new_pos_set =
List.fold_left
(fun s e ->
if not (Equality.is_identity env e) then
- if EqualitySet.mem e s then s
- else EqualitySet.add e s
+ EqualitySet.add e s
else s)
EqualitySet.empty new_pos
in
(fun e -> ((Indexing.subsumption env active_table e = None) &&
(Indexing.subsumption env passive_table e = None)))
in
-(* let t1 = Unix.gettimeofday () in *)
-(* let t2 = Unix.gettimeofday () in *)
-(* fs_time_info.subsumption <- fs_time_info.subsumption +. (t2 -. t1); *)
let is_duplicate =
match passive_table with
| None ->
not ((Indexing.in_index active_table e) ||
(Indexing.in_index passive_table e)))
in
- List.filter subs (List.filter is_duplicate new_pos)
+ List.filter subs (List.filter is_duplicate new_pos)
;;
active, passive, newa, newp *)
;;
-
let close env new' given =
let new_pos, new_table, min_weight =
List.fold_left
in
Printf.sprintf "%d: %s" d (String.concat "; " gl')) 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 ()) ->
+ when UriManager.eq uri (Utils.eq_URI ()) ->
(let goal_equation =
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
- | Some (subst, equality ) ->
+ | Some (subst, equality, swapped ) ->
+ prerr_endline
+ ("GOAL SUBSUMED BY: " ^ Equality.string_of_equality equality);
+ prerr_endline ("SUBST:" ^ Subst.ppsubst subst);
let (_,p,(ty,l,r,_),m,id) = Equality.open_equality equality in
let cicmenv = Subst.apply_subst_metasenv subst (m @ menv) in
- Some (goalproof, p, subst, cicmenv)
+ let p =
+ if swapped then
+ Equality.symmetric eq_ty l id uri m
+ else
+ p
+ in
+ Some (goalproof, p, id, subst, cicmenv)
| None -> None)
| _ -> None
;;
(* in *)
let ok, proof =
(* apply_goal_to_theorems dbd env theorems ~passive active goals in *)
- let iseq uri = UriManager.eq uri (LibraryObjects.eq_URI ()) in
+ let iseq uri = UriManager.eq uri (Utils.eq_URI ()) in
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)
+ true, Some (goalproof, reflproof, 0, Subst.empty_subst,m)
| goal::_ ->
(match check_if_goal_is_subsumed env (snd active) goal with
| None -> false,None
(given_clause_fullred dbd env goals theorems passive) active
*)
-let iseq uri = UriManager.eq uri (LibraryObjects.eq_URI ());;
+let iseq uri = UriManager.eq uri (Utils.eq_URI ());;
let check_if_goal_is_identity env = function
| (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
- Some (goalproof, reflproof,Subst.empty_subst,m)
+ Some (goalproof, reflproof, 0, Subst.empty_subst,m)
+ | (goalproof,m,Cic.Appl[Cic.MutInd(uri,_,ens);eq_ty;left;right])
+ when iseq uri ->
+ (let _,context,_ = env in
+ try
+ let s,m,_ =
+ Inference.unification m m context left right CicUniv.empty_ugraph
+ in
+ let reflproof = Equality.Exact (Equality.refl_proof eq_ty left) in
+ let m = Subst.apply_subst_metasenv s m in
+ Some (goalproof, reflproof, 0, s,m)
+ with _ -> None)
| _ -> None
;;
(fun acc goal ->
match simplify_goal env goal ~passive active with
| _, g -> if find g acc then acc else g::acc)
+ (* active_goals active_goals *)
[] active_goals
in
if List.length active_goals <> List.length simplified then
let selected = hd in
let passive_goals = tl in
let new' = Indexing.superposition_left env (snd active) selected in
- let metasenv, context, ugraph = env in
- let names = names_of_context context in
- List.iter (fun (_,_,x) -> prerr_endline ("X: " ^ CicPp.pp x names)) new';
selected::active_goals, passive_goals @ new'
| _::tl -> aux tl
in
let infer_goal_set_with_current env current goals =
let active_goals, passive_goals = goals in
let _,table,_ = build_table [current] in
+ let _,_,_,_,id = Equality.open_equality current in
active_goals,
List.fold_left
(fun acc g ->
let new' = Indexing.superposition_left env table g in
+ if id = 2 then
+ begin
+ prerr_endline "XXXXXXX";
+ List.iter (fun _,_,e -> prerr_endline (CicPp.ppterm e)) new' ;
+ end;
acc @ new')
passive_goals active_goals
;;
let given_clause
((_,context,_) as env) goals theorems passive active max_iterations max_time
=
+ let names = names_of_context context in
let initial_time = Unix.gettimeofday () in
let iterations_left iterno =
let now = Unix.gettimeofday () in
else if Unix.gettimeofday () > max_time then
(ParamodulationFailure "No more time to spend")
else
+ let _ = prerr_endline "simpl goal with active" in
+ let _ = <:start<simplify goal set active>> in
let goals = simplify_goal_set env goals passive active in
+ let _ = <:stop<simplify goal set active>> in
match check_if_goals_set_is_solved env active goals with
| Some p ->
- Printf.eprintf "Found a proof in: %f\n"
- (Unix.gettimeofday() -. initial_time);
+ prerr_endline
+ (Printf.sprintf "Found a proof in: %f\n"
+ (Unix.gettimeofday() -. initial_time));
+(* assert false;*)
ParamodulationSuccess p
| None ->
prerr_endline
kept_clauses := (size_of_passive passive) + (size_of_active active);
(* SELECTION *)
if passive_is_empty passive then
- ParamodulationFailure "No more passive" (* maybe this is a success! *)
+ ParamodulationFailure "No more passive"(*maybe this is a success! *)
else
begin
+ let goals = infer_goal_set env active goals in
+ let goals = infer_goal_set env active goals 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);
+ let _,_,goaltype = List.hd (fst goals) in
+ prerr_endline (Printf.sprintf "Current goal = %s\n"
+ (CicPp.pp goaltype names));
+ prerr_endline (Printf.sprintf "Selected = %s\n"
+ (Equality.string_of_equality ~env current));
(* SIMPLIFICATION OF CURRENT *)
let res =
- forward_simplify env (Positive, current) ~passive active
+ forward_simplify env (Positive, current) (*~passive*) active
in
match res with
| None -> step goals theorems passive active (iterno+1)
| Some current ->
(* GENERATION OF NEW EQUATIONS *)
+ prerr_endline "infer";
let new' = infer env current active in
+ prerr_endline "infer goal";
let goals = infer_goal_set_with_current env current goals in
let active =
- if Equality.is_identity env current then
- assert false
- (* nonsense code, check to se if it can be removed *)
- else
let al, tbl = active in
al @ [current], Indexing.index tbl current
in
(* FORWARD AND BACKWARD SIMPLIFICATION *)
+ prerr_endline "fwd/back simpl";
let rec simplify new' active passive =
let new' = forward_simplify_new env new' ~passive active in
let active, passive, newa, retained, pruned =
backward_simplify env new' ~passive active
in
- let passive = List.fold_left filter_dependent passive pruned in
+ let passive =
+ List.fold_left filter_dependent passive pruned
+ in
match newa, retained with
| None, None -> active, passive, new'
| Some p, None
| Some p, Some rp -> simplify (new' @ p @ rp) active passive
in
let active, passive, new' = simplify new' active passive in
+ if iterno = 36 || iterno = 654 then
+ begin
+ prerr_endline "...................";
+ List.iter
+ (fun x -> prerr_endline (Equality.string_of_equality
+~env:env x)) new';
+ prerr_endline "FINE...................";
+ end;
+ prerr_endline "simpl goal with new";
let goals =
let a,b,_ = build_table new' in
+ let _ = <:start<simplify_goal_set new>> in
+ <:stop<simplify_goal_set new
simplify_goal_set env goals passive (a,b)
+ >>
in
let passive = add_to_passive passive new' in
step goals theorems passive active (iterno+1)
let eq_indexes, equalities, maxm = find_equalities context proof in
let ugraph = CicUniv.empty_ugraph in
let env = (metasenv, context, ugraph) in
- let goal = [], metasenv, type_of_goal in
+ let goal = [], List.filter (fun (i,_,_)->i<>goalno) metasenv, type_of_goal in
let res, time =
let t1 = Unix.gettimeofday () in
let lib_eq_uris, library_equalities, maxm =
context_hyp @ thms, []
else
let refl_equal =
- let us = UriManager.string_of_uri (LibraryObjects.eq_URI ()) in
+ let us = UriManager.string_of_uri (Utils.eq_URI ()) in
UriManager.uri_of_string (us ^ "#xpointer(1/1/1)")
in
let t = CicUtil.term_of_uri refl_equal in
given_clause_fullred dbd env goals theorems passive active
*)
let goals = make_goal_set goal in
- let max_iterations = 1000 in
- let max_time = Unix.gettimeofday () +. 600. (* minutes *) in
+ let max_iterations = 10000 in
+ let max_time = Unix.gettimeofday () +. 300. (* minutes *) in
given_clause env goals theorems passive active max_iterations max_time
in
let finish = Unix.gettimeofday () in
| ParamodulationFailure s ->
raise (ProofEngineTypes.Fail (lazy ("NO proof found: " ^ s)))
| ParamodulationSuccess
- (goalproof,newproof,subsumption_subst, proof_menv) ->
+ (goalproof,newproof,subsumption_id,subsumption_subst, proof_menv) ->
prerr_endline "OK, found a proof!";
- prerr_endline (Equality.pp_proof names goalproof newproof);
+ prerr_endline
+ (Equality.pp_proof names goalproof newproof subsumption_subst
+ subsumption_id type_of_goal);
+ prerr_endline (CicMetaSubst.ppmetasenv [] proof_menv);
prerr_endline "ENDOFPROOFS";
(* generation of the CIC proof *)
let side_effects =
~newmetasenv:metasenv ~oldmetasenv:proof_menv)
in
let goal_proof, side_effects_t =
- let initial = Equality.build_proof_term newproof in
+ let initial = Equality.add_subst subsumption_subst newproof in
Equality.build_goal_proof goalproof initial type_of_goal side_effects
in
let goal_proof = Subst.apply_subst subsumption_subst goal_proof in
+ let metas_still_open_in_proof = Utils.metas_of_term goal_proof in
+(*prerr_endline (CicPp.pp goal_proof names);*)
+ (* ?? *)
+ 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
| None ->
[i,context,ty], (Cic.Meta(i,[]))::acc2,
(Cic.Meta(i,irl)) ::acc3,Some (Cic.Meta(i,irl)))
- ([],[],[],None) proof_menv
+ ([],[],[],None)
+ (List.filter
+ (fun (i,_,_) -> List.mem i metas_still_open_in_proof)
+ proof_menv)
in
let replace where =
+ (* we need this fake equality since the metas of the hypothesis may be
+ * with a real local context *)
ProofEngineReduction.replace_lifting
- ~equality:(=) ~what ~with_what ~where
+ ~equality:(fun x y ->
+ match x,y with Cic.Meta(i,_),Cic.Meta(j,_) -> i=j | _-> false)
+ ~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?
(ProofEngineHelpers.compare_metasenvs
~oldmetasenv:metasenv ~newmetasenv:goal_proof_menv)
in
+prerr_endline ("freemetas: " ^ String.concat "," (List.map string_of_int free_metas) );
(* check/refine/... build the new proof *)
let replaced_goal =
ProofEngineReduction.replace
let final_subst =
(goalno,(context,goal_proof,type_of_goal))::subst_side_effects
in
+prerr_endline ("MENVreal_menv: " ^ CicMetaSubst.ppmetasenv [] real_menv);
let _ =
try
CicTypeChecker.type_of_aux' real_menv context goal_proof
| CicTypeChecker.AssertFailure _
| Invalid_argument "list_fold_left2" as exn ->
prerr_endline "THE PROOF DOES NOT TYPECHECK!";
- prerr_endline (CicPp.pp goal_proof names);
+ prerr_endline (CicPp.pp goal_proof names);
+ prerr_endline "THE PROOF DOES NOT TYPECHECK!";
raise exn
in
let proof, real_metasenv =
in
if changed then
begin
- let opengoal = Cic.Meta(maxm,irl) in
+ let opengoal = Equality.Exact (Cic.Meta(maxm,irl)) in
let proofterm,_ =
Equality.build_goal_proof newproof opengoal ty [] in
let extended_metasenv = (maxm,context,newty)::metasenv in
let demodulate_tac ~dbd ~pattern =
ProofEngineTypes.mk_tactic (demodulate_tac ~dbd ~pattern)
;;
+
+let get_stats () =
+ <:show<Saturation.>> ^ Indexing.get_stats () ^ Inference.get_stats ();;
+
projects / helm.git / blobdiff