CicTypeChecker.type_of_aux' metasenv' context right ugraph;
()
with
- CicUtil.Meta_not_found _ as exn ->
- begin
- prerr_endline msg;
- prerr_endline (CicPp.ppterm left);
- prerr_endline (CicPp.ppterm right);
- raise exn
- end
+ CicUtil.Meta_not_found _ as exn ->
+ begin
+ prerr_endline msg;
+ prerr_endline (CicPp.ppterm left);
+ prerr_endline (CicPp.ppterm right);
+ raise exn
+ end
*)
type retrieval_mode = Matching | Unification;;
function
None -> "None"
| Some (t, s, m, u, ((p,e), eq_URI)) ->
- Printf.sprintf "Some: (%s, %s, %s)"
- (Utils.string_of_pos p)
- (Inference.string_of_equality ?env e)
- (CicPp.ppterm t)
+ Printf.sprintf "Some: (%s, %s, %s)"
+ (Utils.string_of_pos p)
+ (Equality.string_of_equality ?env e)
+ (CicPp.ppterm t)
;;
let print_res ?env res =
prerr_endline
(String.concat "\n"
(List.map
- (fun (p, e) ->
- Printf.sprintf "| (%s, %s)" (Utils.string_of_pos p)
- (Inference.string_of_equality ?env e))
- res));
+ (fun (p, e) ->
+ Printf.sprintf "| (%s, %s)" (Utils.string_of_pos p)
+ (Equality.string_of_equality ?env e))
+ res));
;;
let indexing_retrieval_time = ref 0.;;
-let apply_subst = CicMetaSubst.apply_subst
+let apply_subst = Equality.apply_subst
let index = Index.index
let remove_index = Index.remove_index
let check_disjoint_invariant subst metasenv msg =
if (List.exists
- (fun (i,_,_) -> (List.exists (fun (j,_) -> i=j) subst)) metasenv)
+ (fun (i,_,_) -> (Equality.is_in_subst i subst)) metasenv)
then
begin
prerr_endline ("not disjoint: " ^ msg);
;;
let check_for_duplicates metas msg =
-let _ =
- try
- ignore(CicUtil.lookup_meta 190 metas);
- prerr_endline ("eccoci in " ^ msg);
- with
- CicUtil.Meta_not_found _ -> () in
-if List.length metas <>
+ if List.length metas <>
List.length (HExtlib.list_uniq (List.sort Pervasives.compare metas)) then
begin
prerr_endline ("DUPLICATI " ^ msg);
let check_res res msg =
match res with
Some (t, subst, menv, ug, (eq_found, eq_URI)) ->
- let eqs = Inference.string_of_equality (snd eq_found) in
- check_disjoint_invariant subst menv msg;
- check_for_duplicates menv (msg ^ "\nchecking " ^ eqs);
+ let eqs = Equality.string_of_equality (snd eq_found) in
+ check_disjoint_invariant subst menv msg;
+ check_for_duplicates menv (msg ^ "\nchecking " ^ eqs);
| None -> ()
;;
let check_target context target msg =
- let w, proof, (eq_ty, left, right, order), metas, args = target in
+ let w, proof, (eq_ty, left, right, order), metas,_ =
+ Equality.open_equality target in
(* check that metas does not contains duplicates *)
- let eqs = Inference.string_of_equality target in
+ let eqs = Equality.string_of_equality target in
let _ = check_for_duplicates metas (msg ^ "\nchecking " ^ eqs) in
- let actual = (Inference.metas_of_term left)@(Inference.metas_of_term right)
- @(Inference.metas_of_term eq_ty)@(Inference.metas_of_proof proof) in
+ let actual = (Utils.metas_of_term left)@(Utils.metas_of_term right)
+ @(Utils.metas_of_term eq_ty)@(Equality.metas_of_proof proof) in
let menv = List.filter (fun (i, _, _) -> List.mem i actual) metas in
let _ = if menv <> metas then
begin
prerr_endline ("right: " ^ (CicPp.ppterm right));
prerr_endline ("ty: " ^ (CicPp.ppterm eq_ty));
assert false
- end
- else () in
+ end
+ else () in ()
+(*
try
- CicTypeChecker.type_of_aux'
- metas context (Inference.build_proof_term proof) CicUniv.empty_ugraph
+ ignore(CicTypeChecker.type_of_aux'
+ metas context (Inference.build_proof_term proof) CicUniv.empty_ugraph)
with e ->
prerr_endline msg;
prerr_endline (Inference.string_of_proof proof);
prerr_endline (CicPp.ppterm (Inference.build_proof_term proof));
prerr_endline ("+++++++++++++left: " ^ (CicPp.ppterm left));
prerr_endline ("+++++++++++++right: " ^ (CicPp.ppterm right));
- raise e
-;;
+ raise e
+*)
(* returns a list of all the equalities in the tree that are in relation
the position will always be Left, and if the ordering is left < right,
position will be Right.
*)
-let local_max = ref 100;;
-
-let make_variant (p,eq) =
- let maxmeta, eq = Inference.fix_metas !local_max eq in
- local_max := maxmeta;
- p, eq
-;;
let get_candidates ?env mode tree term =
let t1 = Unix.gettimeofday () in
res
;;
+let profiler = HExtlib.profile "P/Indexing.get_candidates"
+
+let get_candidates ?env mode tree term =
+ profiler.HExtlib.profile (get_candidates ?env mode tree) term
let match_unif_time_ok = ref 0.;;
let match_unif_time_no = ref 0.;;
function
| [] -> None
| candidate::tl ->
- let pos, (_, proof, (ty, left, right, o), metas, args) = candidate in
+ let pos, equality = candidate in
+ let (_, proof, (ty, left, right, o), metas,_) =
+ Equality.open_equality equality in
if Utils.debug_metas then
- ignore(check_target context (snd candidate) "find_matches");
+ ignore(check_target context (snd candidate) "find_matches");
if Utils.debug_res then
- begin
- let c = "eq = " ^ (Inference.string_of_equality (snd candidate)) ^ "\n"in
- let t = "t = " ^ (CicPp.ppterm term) ^ "\n" in
- let m = "metas = " ^ (CicMetaSubst.ppmetasenv [] metas) ^ "\n" in
- let p = "proof = " ^ (CicPp.ppterm (Inference.build_proof_term proof)) ^ "\n" in
- check_for_duplicates metas "gia nella metas";
- check_for_duplicates (metasenv @ metas) ("not disjoint" ^ c ^ t ^ m ^ p)
- end;
+ begin
+ let c="eq = "^(Equality.string_of_equality (snd candidate)) ^ "\n"in
+ let t="t = " ^ (CicPp.ppterm term) ^ "\n" in
+ let m="metas = " ^ (CicMetaSubst.ppmetasenv [] metas) ^ "\n" in
+ let p="proof = "^
+ (CicPp.ppterm(Equality.build_proof_term_old (snd proof)))^"\n"
+ in
+ check_for_duplicates metas "gia nella metas";
+ check_for_duplicates (metasenv@metas) ("not disjoint"^c^t^m^p)
+ end;
if check && not (fst (CicReduction.are_convertible
~metasenv context termty ty ugraph)) then (
find_matches metasenv context ugraph lift_amount term termty tl
match_unif_time_ok := !match_unif_time_ok +. (t2 -. t1);
r
with
- | Inference.MatchingFailure as e ->
+ | Inference.MatchingFailure as e ->
let t2 = Unix.gettimeofday () in
match_unif_time_no := !match_unif_time_no +. (t2 -. t1);
raise e
- | CicUtil.Meta_not_found _ as exn -> raise exn
+ | CicUtil.Meta_not_found _ as exn -> raise exn
in
Some (C.Rel (1 + lift_amount), subst', metasenv', ugraph',
(candidate, eq_URI))
in
if o <> U.Incomparable then
let res =
- try
- do_match c eq_URI
+ try
+ do_match c eq_URI
with Inference.MatchingFailure ->
- find_matches metasenv context ugraph lift_amount term termty tl
- in
- if Utils.debug_res then ignore (check_res res "find1");
- res
+ find_matches metasenv context ugraph lift_amount term termty tl
+ in
+ if Utils.debug_res then ignore (check_res res "find1");
+ res
else
let res =
try do_match c eq_URI
find_matches metasenv context ugraph lift_amount term termty tl
;;
-
(*
as above, but finds all the matching equalities, and the matching condition
can be either Inference.matching or Inference.unification
function
| [] -> []
| candidate::tl ->
- let pos, (_, _, (ty, left, right, o), metas, args) = candidate in
+ let pos, equality = candidate in
+ let (_,_,(ty,left,right,o),metas,_)=Equality.open_equality equality in
let do_match c eq_URI =
let subst', metasenv', ugraph' =
let t1 = Unix.gettimeofday () in
lift_amount term termty tl
;;
+let find_all_matches
+ ?unif_fun metasenv context ugraph lift_amount term termty l
+=
+ let rc =
+ find_all_matches
+ ?unif_fun metasenv context ugraph lift_amount term termty l
+ in
+ (*prerr_endline "CANDIDATES:";
+ List.iter (fun (_,x)->prerr_endline (Inference.string_of_equality x)) l;
+ prerr_endline ("MATCHING:" ^ CicPp.ppterm term ^ " are " ^ string_of_int
+ (List.length rc));*)
+ rc
(*
returns true if target is subsumed by some equality in table
*)
-let subsumption env table target =
- let _, _, (ty, left, right, _), tmetas, _ = target in
- let metasenv, context, ugraph = env in
- let metasenv = metasenv @ tmetas in
- let samesubst subst subst' =
- let tbl = Hashtbl.create (List.length subst) in
- List.iter (fun (m, (c, t1, t2)) -> Hashtbl.add tbl m (c, t1, t2)) subst;
- List.for_all
- (fun (m, (c, t1, t2)) ->
- try
- let c', t1', t2' = Hashtbl.find tbl m in
- if (c = c') && (t1 = t1') && (t2 = t2') then true
- else false
- with Not_found ->
- true)
- subst'
+let subsumption env table target =
+ (*
+ let print_res l =
+ prerr_endline (String.concat "\n" (List.map (fun (_, subst, menv, ug,
+ ((pos,equation),_)) -> Inference.string_of_equality equation)l))
in
+ *)
+ let _, _, (ty, left, right, _), tmetas, _ = Equality.open_equality target in
+ let metasenv, context, ugraph = env in
+ let metasenv = tmetas in
let leftr =
match left with
- | Cic.Meta _ -> []
+ | Cic.Meta _ -> []
| _ ->
let leftc = get_candidates Matching table left in
find_all_matches ~unif_fun:Inference.matching
metasenv context ugraph 0 left ty leftc
in
+(* print_res leftr;*)
let rec ok what = function
- | [] -> false, []
- | (_, subst, menv, ug, ((pos, (_, _, (_, l, r, o), m, _)), _))::tl ->
+ | [] -> None
+ | (_, subst, menv, ug, ((pos,equation),_))::tl ->
+ let _, _, (_, l, r, o), m,_ = Equality.open_equality equation in
try
let other = if pos = Utils.Left then r else l in
let subst', menv', ug' =
let t1 = Unix.gettimeofday () in
try
let r =
- Inference.matching menv m context what other ugraph
- in
+ Inference.matching metasenv m context what other ugraph
+ in
let t2 = Unix.gettimeofday () in
match_unif_time_ok := !match_unif_time_ok +. (t2 -. t1);
r
match_unif_time_no := !match_unif_time_no +. (t2 -. t1);
raise e
in
- if samesubst subst subst' then
- true, subst
- else
- ok what tl
+ (match Equality.merge_subst_if_possible subst subst' with
+ | None -> ok what tl
+ | Some s -> Some (s, equation))
with Inference.MatchingFailure ->
ok what tl
in
- let r, subst = ok right leftr in
- let r, s =
- if r then
- true, subst
- else
+ match ok right leftr with
+ | Some _ as res -> res
+ | None ->
let rightr =
- match right with
- | Cic.Meta _ -> []
- | _ ->
+ match right with
+ | Cic.Meta _ -> []
+ | _ ->
let rightc = get_candidates Matching table right in
- find_all_matches ~unif_fun:Inference.matching
- metasenv context ugraph 0 right ty rightc
+ find_all_matches ~unif_fun:Inference.matching
+ metasenv context ugraph 0 right ty rightc
in
- ok left rightr
- in
+(* print_res rightr;*)
+ ok left rightr
(* (if r then *)
(* debug_print *)
-(* (lazy *)
-(* (Printf.sprintf "SUBSUMPTION! %s\n%s\n" *)
-(* (Inference.string_of_equality target) (Utils.print_subst s)))); *)
- r, s
+(* (lazy *)
+(* (Printf.sprintf "SUBSUMPTION! %s\n%s\n" *)
+(* (Inference.string_of_equality target) (Utils.print_subst s)))); *)
;;
let rec demodulation_aux ?from ?(typecheck=false)
let module M = CicMetaSubst in
let module HL = HelmLibraryObjects in
let candidates =
- get_candidates ~env:(metasenv,context,ugraph) Matching table term in
-(* let candidates = List.map make_variant candidates in *)
+ get_candidates ~env:(metasenv,context,ugraph) (* Unification *) Matching table term in
+ if List.exists (fun (i,_,_) -> i = 2840) metasenv
+ then
+ (prerr_endline ("term: " ^(CicPp.ppterm term));
+ List.iter (fun (_,x) -> prerr_endline (Equality.string_of_equality x))
+ candidates;
+ prerr_endline ("-------");
+ prerr_endline ("+++++++"));
let res =
match term with
| C.Meta _ -> None
| term ->
- let termty, ugraph =
+ let termty, ugraph =
if typecheck then
CicTypeChecker.type_of_aux' metasenv context term ugraph
else
C.Implicit None, ugraph
- in
- let res =
+ in
+ let res =
find_matches metasenv context ugraph lift_amount term termty candidates
- in
+ in
if Utils.debug_res then ignore(check_res res "demod1");
- if res <> None then
+ if res <> None then
res
- else
+ else
match term with
- | C.Appl l ->
- let res, ll =
- List.fold_left
- (fun (res, tl) t ->
- if res <> None then
- (res, tl @ [S.lift 1 t])
- else
- let r =
- demodulation_aux ~from:"1" metasenv context ugraph table
- lift_amount t
- in
- match r with
- | None -> (None, tl @ [S.lift 1 t])
- | Some (rel, _, _, _, _) -> (r, tl @ [rel]))
- (None, []) l
- in (
- match res with
- | None -> None
- | Some (_, subst, menv, ug, eq_found) ->
- Some (C.Appl ll, subst, menv, ug, eq_found)
- )
- | C.Prod (nn, s, t) ->
- let r1 =
- demodulation_aux ~from:"2"
- metasenv context ugraph table lift_amount s in (
- match r1 with
- | None ->
- let r2 =
- demodulation_aux metasenv
- ((Some (nn, C.Decl s))::context) ugraph
- table (lift_amount+1) t
- in (
- match r2 with
- | None -> None
- | Some (t', subst, menv, ug, eq_found) ->
- Some (C.Prod (nn, (S.lift 1 s), t'),
- subst, menv, ug, eq_found)
- )
- | Some (s', subst, menv, ug, eq_found) ->
- Some (C.Prod (nn, s', (S.lift 1 t)),
- subst, menv, ug, eq_found)
- )
- | C.Lambda (nn, s, t) ->
- let r1 =
- demodulation_aux
- metasenv context ugraph table lift_amount s in (
- match r1 with
- | None ->
- let r2 =
- demodulation_aux metasenv
- ((Some (nn, C.Decl s))::context) ugraph
- table (lift_amount+1) t
- in (
- match r2 with
- | None -> None
- | Some (t', subst, menv, ug, eq_found) ->
- Some (C.Lambda (nn, (S.lift 1 s), t'),
- subst, menv, ug, eq_found)
- )
- | Some (s', subst, menv, ug, eq_found) ->
- Some (C.Lambda (nn, s', (S.lift 1 t)),
- subst, menv, ug, eq_found)
- )
- | t ->
- None
+ | C.Appl l ->
+ let res, ll =
+ List.fold_left
+ (fun (res, tl) t ->
+ if res <> None then
+ (res, tl @ [S.lift 1 t])
+ else
+ let r =
+ demodulation_aux ~from:"1" metasenv context ugraph table
+ lift_amount t
+ in
+ match r with
+ | None -> (None, tl @ [S.lift 1 t])
+ | Some (rel, _, _, _, _) -> (r, tl @ [rel]))
+ (None, []) l
+ in (
+ match res with
+ | None -> None
+ | Some (_, subst, menv, ug, eq_found) ->
+ Some (C.Appl ll, subst, menv, ug, eq_found)
+ )
+ | C.Prod (nn, s, t) ->
+ let r1 =
+ demodulation_aux ~from:"2"
+ metasenv context ugraph table lift_amount s in (
+ match r1 with
+ | None ->
+ let r2 =
+ demodulation_aux metasenv
+ ((Some (nn, C.Decl s))::context) ugraph
+ table (lift_amount+1) t
+ in (
+ match r2 with
+ | None -> None
+ | Some (t', subst, menv, ug, eq_found) ->
+ Some (C.Prod (nn, (S.lift 1 s), t'),
+ subst, menv, ug, eq_found)
+ )
+ | Some (s', subst, menv, ug, eq_found) ->
+ Some (C.Prod (nn, s', (S.lift 1 t)),
+ subst, menv, ug, eq_found)
+ )
+ | C.Lambda (nn, s, t) ->
+ let r1 =
+ demodulation_aux
+ metasenv context ugraph table lift_amount s in (
+ match r1 with
+ | None ->
+ let r2 =
+ demodulation_aux metasenv
+ ((Some (nn, C.Decl s))::context) ugraph
+ table (lift_amount+1) t
+ in (
+ match r2 with
+ | None -> None
+ | Some (t', subst, menv, ug, eq_found) ->
+ Some (C.Lambda (nn, (S.lift 1 s), t'),
+ subst, menv, ug, eq_found)
+ )
+ | Some (s', subst, menv, ug, eq_found) ->
+ Some (C.Lambda (nn, s', (S.lift 1 t)),
+ subst, menv, ug, eq_found)
+ )
+ | t ->
+ None
in
if Utils.debug_res then ignore(check_res res "demod_aux output");
res
exception Foo
+let profiler = HExtlib.profile "P/Indexing.demod_eq[build_new_target]"
+
(** demodulation, when target is an equality *)
let rec demodulation_equality ?from newmeta env table sign target =
let module C = Cic in
let module HL = HelmLibraryObjects in
let module U = Utils in
let metasenv, context, ugraph = env in
- let w, proof, (eq_ty, left, right, order), metas, args = target in
+ let w, ((proof_new, proof_old) as proof),
+ (eq_ty, left, right, order), metas, id =
+ Equality.open_equality target in
(* first, we simplify *)
let right = U.guarded_simpl context right in
let left = U.guarded_simpl context left in
let order = !Utils.compare_terms left right in
let stat = (eq_ty, left, right, order) in
let w = Utils.compute_equality_weight stat in
- let target = w, proof, stat, metas, args in
+ (* let target = Equality.mk_equality (w, proof, stat, metas) in *)
if Utils.debug_metas then
ignore(check_target context target "demod equalities input");
let metasenv' = (* metasenv @ *) metas in
if Utils.debug_metas then
begin
ignore(check_for_duplicates menv "input1");
- ignore(check_disjoint_invariant subst menv "input2");
- let substs = CicMetaSubst.ppsubst subst in
- ignore(check_target context (snd eq_found) ("input3" ^ substs))
+ ignore(check_disjoint_invariant subst menv "input2");
+ let substs = Equality.ppsubst subst in
+ ignore(check_target context (snd eq_found) ("input3" ^ substs))
end;
- let pos, (_, proof', (ty, what, other, _), menv', args') = eq_found in
+ let pos, equality = eq_found in
+ let (_, (proof'_new,proof'_old),
+ (ty, what, other, _), menv',id') = Equality.open_equality equality in
let ty =
- try fst (CicTypeChecker.type_of_aux' metasenv context what ugraph)
+ try fst (CicTypeChecker.type_of_aux' metasenv context what ugraph)
with CicUtil.Meta_not_found _ -> ty
in
let what, other = if pos = Utils.Left then what, other else other, what in
let newterm, newproof =
- let bo = Utils.guarded_simpl context (apply_subst subst (S.subst other t)) in
- let name = C.Name ("x_Demod" ^ (string_of_int !demod_counter)) in
+ let bo =
+ Utils.guarded_simpl context (apply_subst subst (S.subst other t)) in
+(* let name = C.Name ("x_Demod" ^ (string_of_int !demod_counter)) in*)
+ let name = C.Name "x" in
incr demod_counter;
let bo' =
let l, r = if is_left then t, S.lift 1 right else S.lift 1 left, t in
in
if sign = Utils.Positive then
(bo,
- Inference.ProofBlock (
- subst, eq_URI, (name, ty), bo'(* t' *), eq_found, proof))
+ (Equality.Step (subst,(Equality.Demodulation,id,(pos,id'),
+ (*apply_subst subst*) (Cic.Lambda (name, ty, bo')))),
+ Equality.ProofBlock (
+ subst, eq_URI, (name, ty), bo'(* t' *), eq_found, proof_old)))
else
+ assert false
+(*
+ begin
+ prerr_endline "***************************************negative";
let metaproof =
incr maxmeta;
let irl =
CicMkImplicit.identity_relocation_list_for_metavariable context in
-(* debug_print (lazy (Printf.sprintf "\nADDING META: %d\n" !maxmeta)); *)
-(* print_newline (); *)
+(* debug_print (lazy (Printf.sprintf "\nADDING META: %d\n" !maxmeta)); *)
+(* print_newline (); *)
C.Meta (!maxmeta, irl)
in
let eq_found =
- let proof' =
+ let proof'_old' =
let termlist =
if pos = Utils.Left then [ty; what; other]
else [ty; other; what]
in
- Inference.ProofSymBlock (termlist, proof')
+ Equality.ProofSymBlock (termlist, proof'_old)
in
+ let proof'_new' = assert false (* not implemented *) in
let what, other =
if pos = Utils.Left then what, other else other, what
in
- pos, (0, proof', (ty, other, what, Utils.Incomparable),
- menv', args')
+ pos,
+ Equality.mk_equality
+ (0, (proof'_new',proof'_old'),
+ (ty, other, what, Utils.Incomparable),menv')
in
let target_proof =
let pb =
- Inference.ProofBlock (subst, eq_URI, (name, ty), bo',
- eq_found, Inference.BasicProof metaproof)
+ Equality.ProofBlock
+ (subst, eq_URI, (name, ty), bo',
+ eq_found, Equality.BasicProof (Equality.empty_subst,metaproof))
in
- match proof with
- | Inference.BasicProof _ ->
+ assert false, (* not implemented *)
+ (match snd proof with
+ | Equality.BasicProof _ ->
(* print_endline "replacing a BasicProof"; *)
pb
- | Inference.ProofGoalBlock (_, parent_proof) ->
-
+ | Equality.ProofGoalBlock (_, parent_proof) ->
(* print_endline "replacing another ProofGoalBlock"; *)
- Inference.ProofGoalBlock (pb, parent_proof)
- | _ -> assert false
+ Equality.ProofGoalBlock (pb, parent_proof)
+ | _ -> assert false)
in
let refl =
C.Appl [C.MutConstruct (* reflexivity *)
eq_ty; if is_left then right else left]
in
(bo,
- Inference.ProofGoalBlock (Inference.BasicProof refl, target_proof))
+ (assert false, (* not implemented *)
+ Equality.ProofGoalBlock
+ (Equality.BasicProof (Equality.empty_subst,refl), snd target_proof)))
+ end
+*)
in
let newmenv = (* Inference.filter subst *) menv in
let _ =
if Utils.debug_metas then
- try ignore(CicTypeChecker.type_of_aux'
- newmenv context (Inference.build_proof_term newproof) ugraph);
- ()
- with exc ->
+ try ignore(CicTypeChecker.type_of_aux'
+ newmenv context
+ (Equality.build_proof_term_old (snd newproof)) ugraph);
+ ()
+ with exc ->
prerr_endline "sempre lui";
- prerr_endline (CicMetaSubst.ppsubst subst);
- prerr_endline (CicPp.ppterm (Inference.build_proof_term newproof));
+ prerr_endline (Equality.ppsubst subst);
+ prerr_endline (CicPp.ppterm
+ (Equality.build_proof_term_old (snd newproof)));
prerr_endline ("+++++++++++++termine: " ^ (CicPp.ppterm t));
prerr_endline ("+++++++++++++what: " ^ (CicPp.ppterm what));
prerr_endline ("+++++++++++++other: " ^ (CicPp.ppterm other));
- prerr_endline ("+++++++++++++subst: " ^ (CicMetaSubst.ppsubst subst));
- raise exc;
+ prerr_endline ("+++++++++++++subst: " ^ (Equality.ppsubst subst));
+ prerr_endline ("+++++++++++++newmenv: " ^ (CicMetaSubst.ppmetasenv []
+ newmenv));
+ raise exc;
else ()
in
let left, right = if is_left then newterm, right else left, newterm in
build_newtarget_time := !build_newtarget_time +. (time2 -. time1);
let res =
let w = Utils.compute_equality_weight stat in
- (w, newproof, stat,newmenv,args) in
+ Equality.mk_equality (w, newproof, stat,newmenv)
+ in
if Utils.debug_metas then
ignore(check_target context res "buildnew_target output");
!maxmeta, res
in
+ let build_newtarget is_left x =
+ profiler.HExtlib.profile (build_newtarget is_left) x
+ in
let res = demodulation_aux ~from:"3" metasenv' context ugraph table 0 left in
if Utils.debug_res then check_res res "demod result";
let newmeta, newtarget =
match res with
| Some t ->
- let newmeta, newtarget = build_newtarget true t in
- if (Inference.is_weak_identity (metasenv', context, ugraph) newtarget) ||
- (Inference.meta_convertibility_eq target newtarget) then
- newmeta, newtarget
- else
+ let newmeta, newtarget = build_newtarget true t in
+ assert (not (Equality.meta_convertibility_eq target newtarget));
+ if (Equality.is_weak_identity newtarget) ||
+ (Equality.meta_convertibility_eq target newtarget) then
+ newmeta, newtarget
+ else
demodulation_equality newmeta env table sign newtarget
| None ->
- let res = demodulation_aux metasenv' context ugraph table 0 right in
- if Utils.debug_res then check_res res "demod result 1";
- match res with
- | Some t ->
- let newmeta, newtarget = build_newtarget false t in
- if (Inference.is_weak_identity (metasenv', context, ugraph) newtarget) ||
- (Inference.meta_convertibility_eq target newtarget) then
- newmeta, newtarget
- else
- demodulation_equality newmeta env table sign newtarget
- | None ->
- newmeta, target
+ let res = demodulation_aux metasenv' context ugraph table 0 right in
+ if Utils.debug_res then check_res res "demod result 1";
+ match res with
+ | Some t ->
+ let newmeta, newtarget = build_newtarget false t in
+ if (Equality.is_weak_identity newtarget) ||
+ (Equality.meta_convertibility_eq target newtarget) then
+ newmeta, newtarget
+ else
+ demodulation_equality newmeta env table sign newtarget
+ | None ->
+ newmeta, target
in
(* newmeta, newtarget *)
newmeta,newtarget
;;
-
(**
Performs the beta expansion of the term "term" w.r.t. "table",
i.e. returns the list of all the terms t s.t. "(t term) = t2", for some t2
r @ res, lifted_term
;;
+let profiler = HExtlib.profile "P/Indexing.betaexpand_term"
+
+let betaexpand_term metasenv context ugraph table lift_amount term =
+ profiler.HExtlib.profile
+ (betaexpand_term metasenv context ugraph table lift_amount) term
+
let sup_l_counter = ref 1;;
returns a list of new clauses inferred with a left superposition step
the negative equation "target" and one of the positive equations in "table"
*)
+let superposition_left newmeta (metasenv, context, ugraph) table target =
+ assert false
+(*
let superposition_left newmeta (metasenv, context, ugraph) table target =
let module C = Cic in
let module S = CicSubstitution in
let module HL = HelmLibraryObjects in
let module CR = CicReduction in
let module U = Utils in
- let weight, proof, (eq_ty, left, right, ordering), menv, _ = target in
+ let weight, proof, (eq_ty, left, right, ordering), menv, id =
+ Equality.open_equality target
+ in
if Utils.debug_metas then
ignore(check_target context target "superpositionleft");
let expansions, _ =
let term = if ordering = U.Gt then left else right in
- begin
- let t1 = Unix.gettimeofday () in
- let res = betaexpand_term metasenv context ugraph table 0 term in
- let t2 = Unix.gettimeofday () in
- beta_expand_time := !beta_expand_time +. (t2 -. t1);
- res
- end
+ betaexpand_term metasenv context ugraph table 0 term
in
let maxmeta = ref newmeta in
let build_new (bo, s, m, ug, (eq_found, eq_URI)) =
(* debug_print (lazy "\nSUPERPOSITION LEFT\n"); *)
let time1 = Unix.gettimeofday () in
- let pos, (_, proof', (ty, what, other, _), menv', args') = eq_found in
+ let pos, equality = eq_found in
+ let _,proof',(ty,what,other,_),menv',id'=Equality.open_equality equality in
+ let proof'_new, proof'_old = proof' in
let what, other = if pos = Utils.Left then what, other else other, what in
let newgoal, newproof =
let bo' = U.guarded_simpl context (apply_subst s (S.subst other bo)) in
if pos = Utils.Left then [ty; what; other]
else [ty; other; what]
in
- Inference.ProofSymBlock (termlist, proof')
+ proof'_new, (* MAH????? *)
+ Equality.ProofSymBlock (termlist, proof'_old)
in
let what, other =
if pos = Utils.Left then what, other else other, what
in
- pos, (0, proof', (ty, other, what, Utils.Incomparable), menv', args')
+ pos,
+ Equality.mk_equality
+ (0, proof', (ty, other, what, Utils.Incomparable), menv')
in
- let target_proof =
+ let target_proof = assert false (*
let pb =
- Inference.ProofBlock (s, eq_URI, (name, ty), bo'', eq_found,
- Inference.BasicProof metaproof)
+ Equality.ProofBlock
+ (s, eq_URI, (name, ty), bo'', eq_found,
+ Equality.BasicProof (Equality.empty_subst,metaproof))
in
match proof with
- | Inference.BasicProof _ ->
+ | Equality.BasicProof _ ->
(* debug_print (lazy "replacing a BasicProof"); *)
pb
- | Inference.ProofGoalBlock (_, parent_proof) ->
+ | Equality.ProofGoalBlock (_, parent_proof) ->
(* debug_print (lazy "replacing another ProofGoalBlock"); *)
- Inference.ProofGoalBlock (pb, parent_proof)
- | _ -> assert false
+ Equality.ProofGoalBlock (pb, parent_proof)
+ | _ -> assert false*)
in
let refl =
C.Appl [C.MutConstruct (* reflexivity *)
eq_ty; if ordering = U.Gt then right else left]
in
(bo',
- Inference.ProofGoalBlock (Inference.BasicProof refl, target_proof))
+ (Equality.Step (Equality.SuperpositionLeft,id,(pos,id'),
+ assert false), (* il predicato della beta expand non viene tenuto? *)
+ Equality.ProofGoalBlock
+ (Equality.BasicProof (Equality.empty_subst,refl), target_proof)))
in
let left, right =
if ordering = U.Gt then newgoal, right else left, newgoal in
build_newtarget_time := !build_newtarget_time +. (time2 -. time1);
let w = Utils.compute_equality_weight stat in
- (w, newproof, stat, newmenv, [])
+ Equality.mk_equality (w, newproof, stat, newmenv)
in
!maxmeta, List.map build_new expansions
;;
-
+*)
let sup_r_counter = ref 1;;
let module HL = HelmLibraryObjects in
let module CR = CicReduction in
let module U = Utils in
- let w, eqproof, (eq_ty, left, right, ordering), newmetas, args = target in
+ let w, (eqproof1,eqproof2), (eq_ty, left, right, ordering), newmetas,id =
+ Equality.open_equality target
+ in
if Utils.debug_metas then
ignore (check_target context target "superpositionright");
let metasenv' = newmetas in
in
(res left right), (res right left)
in
- let build_new ordering ((bo, s, m, ug, (eq_found, eq_URI)) as input) =
+ let build_new ordering (bo, s, m, ug, (eq_found, eq_URI)) =
if Utils.debug_metas then
ignore (check_target context (snd eq_found) "buildnew1" );
let time1 = Unix.gettimeofday () in
- let pos, (_, proof', (ty, what, other, _), menv', args') = eq_found in
+ let pos, equality = eq_found in
+ let (_, proof', (ty, what, other, _), menv',id') =
+ Equality.open_equality equality in
let what, other = if pos = Utils.Left then what, other else other, what in
let newgoal, newproof =
(* qua *)
let bo' = Utils.guarded_simpl context (apply_subst s (S.subst other bo)) in
- let name = C.Name ("x_SupR_" ^ (string_of_int !sup_r_counter)) in
+(* let name = C.Name ("x_SupR_" ^ (string_of_int !sup_r_counter)) in*)
+ let name = C.Name "x" in
incr sup_r_counter;
let bo'' =
let l, r =
S.lift 1 eq_ty; l; r]
in
bo',
- Inference.ProofBlock (s, eq_URI, (name, ty), bo'', eq_found, eqproof)
+ ( Equality.Step (s,(Equality.SuperpositionRight,
+ id,(pos,id'),(*apply_subst s*) (Cic.Lambda(name,ty,bo'')))),
+ Equality.ProofBlock (s, eq_URI, (name, ty), bo'', eq_found, eqproof2))
+
in
let newmeta, newequality =
let left, right =
else apply_subst s left, newgoal in
let neworder = !Utils.compare_terms left right in
let newmenv = (* Inference.filter s *) m in
- let newargs = args @ args' in
let stat = (eq_ty, left, right, neworder) in
let eq' =
let w = Utils.compute_equality_weight stat in
- (w, newproof, stat, newmenv, newargs) in
+ Equality.mk_equality (w, newproof, stat, newmenv) in
if Utils.debug_metas then
- ignore (check_target context eq' "buildnew3");
- let newm, eq' = Inference.fix_metas !maxmeta eq' in
+ ignore (check_target context eq' "buildnew3");
+ let newm, eq' = Equality.fix_metas !maxmeta eq' in
if Utils.debug_metas then
- ignore (check_target context eq' "buildnew4");
+ ignore (check_target context eq' "buildnew4");
newm, eq'
in
maxmeta := newmeta;
in
let new1 = List.map (build_new U.Gt) res1
and new2 = List.map (build_new U.Lt) res2 in
- let ok e = not (Inference.is_identity (metasenv', context, ugraph) e) in
+ let ok e = not (Equality.is_identity (metasenv', context, ugraph) e) in
(!maxmeta,
(List.filter ok (new1 @ new2)))
;;
let module HL = HelmLibraryObjects in
let metasenv, context, ugraph = env in
let maxmeta = ref newmeta in
- let proof, metas, term = goal in
+ let (cicproof,proof), metas, term = goal in
let term = Utils.guarded_simpl (~debug:true) context term in
- let goal = proof, metas, term in
+ let goal = (cicproof,proof), metas, term in
let metasenv' = metas in
-
+
let build_newgoal (t, subst, menv, ug, (eq_found, eq_URI)) =
- let pos, (_, proof', (ty, what, other, _), menv', args') = eq_found in
+ let pos, equality = eq_found in
+ let (_, (proofnew',proof'), (ty, what, other, _), menv',id) =
+ Equality.open_equality equality in
let what, other = if pos = Utils.Left then what, other else other, what in
let ty =
try fst (CicTypeChecker.type_of_aux' metasenv context what ugraph)
with CicUtil.Meta_not_found _ -> ty
in
- let newterm, newproof =
- let bo = Utils.guarded_simpl context (apply_subst subst (S.subst other t)) in
+ let newterm, newproof, newcicproof =
+ let bo =
+ Utils.guarded_simpl context (apply_subst subst(S.subst other t))
+ in
let bo' = apply_subst subst t in
- let name = C.Name ("x_DemodGoal_" ^ (string_of_int !demod_counter)) in
+(* let name = C.Name ("x_DemodGoal_" ^ (string_of_int !demod_counter)) in*)
+ let name = C.Name "x" in
incr demod_counter;
let metaproof =
incr maxmeta;
- let irl =
- CicMkImplicit.identity_relocation_list_for_metavariable context in
+ let irl = [] (*
+ CicMkImplicit.identity_relocation_list_for_metavariable context *) in
(* debug_print (lazy (Printf.sprintf "\nADDING META: %d\n" !maxmeta)); *)
C.Meta (!maxmeta, irl)
in
let eq_found =
- let proof' =
+ let eq_found_proof =
let termlist =
if pos = Utils.Left then [ty; what; other]
else [ty; other; what]
in
- Inference.ProofSymBlock (termlist, proof')
+ Equality.ProofSymBlock (termlist, proof')
in
let what, other =
if pos = Utils.Left then what, other else other, what
in
- pos, (0, proof', (ty, other, what, Utils.Incomparable), menv', args')
+ pos,
+ Equality.mk_equality
+ (0,(proofnew',eq_found_proof), (ty, other, what, Utils.Incomparable), menv')
in
let goal_proof =
let pb =
- Inference.ProofBlock (subst, eq_URI, (name, ty), bo',
- eq_found, Inference.BasicProof metaproof)
+ Equality.ProofBlock
+ (subst, eq_URI, (name, ty), bo',
+ eq_found, Equality.BasicProof (Equality.empty_subst,metaproof))
in
let rec repl = function
- | Inference.NoProof ->
+ | Equality.NoProof ->
(* debug_print (lazy "replacing a NoProof"); *)
pb
- | Inference.BasicProof _ ->
+ | Equality.BasicProof _ ->
(* debug_print (lazy "replacing a BasicProof"); *)
pb
- | Inference.ProofGoalBlock (_, parent_proof) ->
+ | Equality.ProofGoalBlock (_, parent_proof) ->
(* debug_print (lazy "replacing another ProofGoalBlock"); *)
- Inference.ProofGoalBlock (pb, parent_proof)
- | Inference.SubProof (term, meta_index, p) ->
- Inference.SubProof (term, meta_index, repl p)
+ Equality.ProofGoalBlock (pb, parent_proof)
+ | Equality.SubProof (term, meta_index, p) ->
+ prerr_endline "subproof!";
+ Equality.SubProof (term, meta_index, repl p)
| _ -> assert false
in repl proof
in
- bo, Inference.ProofGoalBlock (Inference.NoProof, goal_proof)
+ let newcicproofstep = (pos,id,subst,Cic.Lambda (name,ty,bo')) in
+ bo, Equality.ProofGoalBlock (Equality.NoProof, goal_proof),
+ (newcicproofstep::cicproof)
in
let newmetasenv = (* Inference.filter subst *) menv in
- !maxmeta, (newproof, newmetasenv, newterm)
+ !maxmeta, ((newcicproof,newproof), newmetasenv, newterm)
in
let res =
demodulation_aux (* ~typecheck:true *) metasenv' context ugraph table 0 term
| Some t ->
let newmeta, newgoal = build_newgoal t in
let _, _, newg = newgoal in
- if Inference.meta_convertibility term newg then
- newmeta, newgoal
+ if Equality.meta_convertibility term newg then
+ false, newmeta, newgoal
else
- demodulation_goal newmeta env table newgoal
+ let changed, newmeta, newgoal =
+ demodulation_goal newmeta env table newgoal
+ in
+ true, newmeta, newgoal
| None ->
- newmeta, goal
+ false, newmeta, goal
;;
-
(** demodulation, when the target is a theorem *)
let rec demodulation_theorem newmeta env table theorem =
let module C = Cic in
let metasenv' = metas in
let build_newtheorem (t, subst, menv, ug, (eq_found, eq_URI)) =
- let pos, (_, proof', (ty, what, other, _), menv', args') = eq_found in
+ let pos, equality = eq_found in
+ let (_, proof', (ty, what, other, _), menv',id) =
+ Equality.open_equality equality in
let what, other = if pos = Utils.Left then what, other else other, what in
let newterm, newty =
let bo = Utils.guarded_simpl context (apply_subst subst (S.subst other t)) in
let bo' = apply_subst subst t in
let name = C.Name ("x_DemodThm_" ^ (string_of_int !demod_counter)) in
incr demod_counter;
- let newproof =
- Inference.ProofBlock (subst, eq_URI, (name, ty), bo', eq_found,
- Inference.BasicProof term)
+ let newproofold =
+ Equality.ProofBlock (subst, eq_URI, (name, ty), bo', eq_found,
+ Equality.BasicProof (Equality.empty_subst,term))
in
- (Inference.build_proof_term newproof, bo)
+ (Equality.build_proof_term_old newproofold, bo)
in
-
- let m = Inference.metas_of_term newterm in
!maxmeta, (newterm, newty, menv)
in
let res =
| Some t ->
let newmeta, newthm = build_newtheorem t in
let newt, newty, _ = newthm in
- if Inference.meta_convertibility termty newty then
+ if Equality.meta_convertibility termty newty then
newmeta, newthm
else
demodulation_theorem newmeta env table newthm
projects / helm.git / blobdiff