(***********************************************************************)
(*
- Time-stamp: <Last modified on 2013-04-24 23:14:46 CEST by Kim Nguyen>
+ Time-stamp: <Last modified on 2013-04-25 16:20:41 CEST by Kim Nguyen>
*)
INCLUDE "utils.ml"
unsat : StateSet.t;
todo : TransList.t;
summary : node_summary;
- (** optimization infos,
- not taken into account during hashconsing *)
- mutable round : int;
}
module Config = Hcons.Make(struct
-let dummy_config = Config.make { sat = StateSet.empty;
- unsat = StateSet.empty;
- todo = TransList.nil;
- summary = dummy_summary;
- round = 0;
- }
+let dummy_config =
+ Config.make { sat = StateSet.empty;
+ unsat = StateSet.empty;
+ todo = TransList.nil;
+ summary = dummy_summary
+ }
let create s ss =
let n2 = ref 0 in
Cache.N2.iteri (fun _ _ _ b -> if b then incr n2) auto.cache2;
Cache.N4.iteri (fun _ _ _ _ _ b -> if b then incr n4) auto.cache4;
- Format.eprintf "STATS: automaton %i, cache2: %i entries, cache6: %i entries\n%!"
+ Logger.msg `STATS "automaton %i, cache2: %i entries, cache6: %i entries"
(auto.id :> int) !n2 !n4;
let c2l, c2u = Cache.N2.stats auto.cache2 in
let c4l, c4u = Cache.N4.stats auto.cache4 in
- Format.eprintf "STATS: cache2: length: %i, used: %i, occupation: %f\n%!" c2l c2u (float c2u /. float c2l);
- Format.eprintf "STATS: cache4: length: %i, used: %i, occupation: %f\n%!" c4l c4u (float c4u /. float c4l)
+ Logger.msg `STATS
+ "cache2: length: %i, used: %i, occupation: %f"
+ c2l c2u (float c2u /. float c2l);
+ Logger.msg `STATS
+ "cache4: length: %i, used: %i, occupation: %f"
+ c4l c4u (float c4u /. float c4l)
);
auto
let reset a =
- a.cache2 <- Cache.N2.create (Cache.N2.dummy a.cache2);
a.cache4 <- Cache.N4.create (Cache.N4.dummy a.cache4)
+let full_reset a =
+ reset a;
+ a.cache2 <- Cache.N2.create (Cache.N2.dummy a.cache2)
+
let get_trans_aux a tag states =
StateSet.fold (fun q acc0 ->
(states.StateSet.id :> int) trs; trs)
else trs
-
-(*
-let eval_form phi fcs nss ps ss is_left is_right has_left has_right kind =
- let rec loop phi =
- begin match SFormula.expr phi with
- Formula.True | Formula.False -> phi
- | Formula.Atom a ->
- let p, b, q = Atom.node a in begin
- match p with
- | First_child ->
- if b == StateSet.mem q fcs then SFormula.true_ else phi
- | Next_sibling ->
- if b == StateSet.mem q nss then SFormula.true_ else phi
- | Parent | Previous_sibling ->
- if b == StateSet.mem q ps then SFormula.true_ else phi
- | Stay ->
- if b == StateSet.mem q ss then SFormula.true_ else phi
- | Is_first_child -> SFormula.of_bool (b == is_left)
- | Is_next_sibling -> SFormula.of_bool (b == is_right)
- | Is k -> SFormula.of_bool (b == (k == kind))
- | Has_first_child -> SFormula.of_bool (b == has_left)
- | Has_next_sibling -> SFormula.of_bool (b == has_right)
- end
- | Formula.And(phi1, phi2) -> SFormula.and_ (loop phi1) (loop phi2)
- | Formula.Or (phi1, phi2) -> SFormula.or_ (loop phi1) (loop phi2)
- end
- in
- loop phi
-
-let int_of_conf is_left is_right has_left has_right kind =
- ((Obj.magic kind) lsl 4) lor
- ((Obj.magic is_left) lsl 3) lor
- ((Obj.magic is_right) lsl 2) lor
- ((Obj.magic has_left) lsl 1) lor
- (Obj.magic has_right)
-
-let eval_trans auto ltrs fcs nss ps ss is_left is_right has_left has_right kind =
- let n = int_of_conf is_left is_right has_left has_right kind
- and k = (fcs.StateSet.id :> int)
- and l = (nss.StateSet.id :> int)
- and m = (ps.StateSet.id :> int) in
- let rec loop ltrs ss =
- let i = (ltrs.TransList.id :> int)
- and j = (ss.StateSet.id :> int) in
- let (new_ltrs, new_ss) as res =
- let res = Cache.N6.find auto.cache6 i j k l m n in
- if res == dummy6 then
- let res =
- TransList.fold (fun trs (acct, accs) ->
- let q, lab, phi = Transition.node trs in
- if StateSet.mem q accs then (acct, accs) else
- let new_phi =
- eval_form
- phi fcs nss ps accs
- is_left is_right has_left has_right kind
- in
- if SFormula.is_true new_phi then
- (acct, StateSet.add q accs)
- else if SFormula.is_false new_phi then
- (acct, accs)
- else
- let new_tr = Transition.make (q, lab, new_phi) in
- (TransList.cons new_tr acct, accs)
- ) ltrs (TransList.nil, ss)
- in
- Cache.N6.add auto.cache6 i j k l m n res; res
- else
- res
- in
- if new_ss == ss then res else
- loop new_ltrs new_ss
- in
- loop ltrs ss
-
-*)
-
let simplify_atom atom pos q { Config.node=config; _ } =
if (pos && StateSet.mem q config.sat)
|| ((not pos) && StateSet.mem q config.unsat) then SFormula.true_