(***********************************************************************)
(*
- Time-stamp: <Last modified on 2013-04-04 18:45:19 CEST by Kim Nguyen>
+ Time-stamp: <Last modified on 2013-04-19 01:13:47 CEST by Kim Nguyen>
*)
INCLUDE "utils.ml"
let fc = T.first_child tree node in
let ns = T.next_sibling tree node in
let tag = T.tag tree node in
- let states0 = get cache tree node in
- let trans0 = Ata.get_trans auto tag auto.Ata.states in
+ let config0 =
+ let c = get cache tree node in
+ if c == Cache.N1.dummy cache then
+ Ata.Config.make
+ { c.Ata.Config.node with Ata.todo = Ata.get_trans auto tag auto.Ata.states }
+ else c
+ in
+
let () =
- TRACE(Html.trace (T.preorder tree node) _i "Pre States: %a<br/>Pre Trans: %a<br/>"
- StateSet.print states0 (Ata.TransList.print ~sep:"<br/>") trans0)
+ TRACE(
+ let config0 = config0.Ata.node in
+ Html.trace (T.preorder tree node) _i "Config0<br/>sat: %a<br/>unsat: %a<br/>todo: %a<br/>"
+ StateSet.print config0.Ata.sat
+ StateSet.print config0.Ata.unsat
+ (Ata.TransList.print ~sep:"<br/>") config0.Ata.todo)
in
+
let ps = get cache tree parent in
let fcs = get cache tree fc in
let nss = get cache tree ns in
and has_right = ns != T.nil
and kind = T.kind tree node
in
- let trans1, states1 =
- Ata.eval_trans auto trans0
- fcs nss ps states0
+ let config1 =
+ Ata.eval_trans auto fcs nss ps config0
is_left is_right has_left has_right kind
in
let () =
- TRACE(Html.trace (T.preorder tree node) _i "TD States: %a<br/>TD Trans: %a<br/>" StateSet.print states1 (Ata.TransList.print ~sep:"<br/>") trans1)
+ TRACE(
+ let config1 = config1.Ata.node in
+ Html.trace (T.preorder tree node) _i "Config1<br/>sat: %a<br/>unsat: %a<br/>todo: %a<br/>"
+ StateSet.print config1.Ata.sat
+ StateSet.print config1.Ata.unsat
+ (Ata.TransList.print ~sep:"<br/>") config1.Ata.todo)
in
- if states1 != states0 then set cache tree node states1;
+ if config0 != config1 then set cache tree node config1;
let () = loop fc in
let fcs1 = get cache tree fc in
- let trans2, states2 =
- Ata.eval_trans auto trans1
- fcs1 nss ps states1
+ let config2 =
+ Ata.eval_trans auto
+ fcs1 nss ps config1
is_left is_right has_left has_right kind
in
let () =
- TRACE(Html.trace (T.preorder tree node) _i "Left BU States: %a<br/>Left BU Trans: %a<br/>" StateSet.print states2 (Ata.TransList.print ~sep:"<br/>") trans2)
+ TRACE(
+ let config2 = config2.Ata.node in
+ Html.trace (T.preorder tree node) _i "Config2<br/>sat: %a<br/>unsat: %a<br/>todo: %a<br/>"
+ StateSet.print config2.Ata.sat
+ StateSet.print config2.Ata.unsat
+ (Ata.TransList.print ~sep:"<br/>") config2.Ata.todo)
in
- if states2 != states1 then set cache tree node states2;
+
+ if config1 != config2 then set cache tree node config2;
let () = loop ns in
- let _trans3, states3 =
- Ata.eval_trans auto trans2
- fcs1 (get cache tree ns) ps states2
+ let config3 =
+ Ata.eval_trans auto
+ fcs1 (get cache tree ns) ps config2
is_left is_right has_left has_right kind
in
let () =
- TRACE(Html.trace (T.preorder tree node) _i "Right BU States: %a<br/>Right BU Trans: %a<br/>" StateSet.print states3 (Ata.TransList.print ~sep:"<br/>") _trans3)
+ TRACE(
+ let config3 = config3.Ata.node in
+ Html.trace (T.preorder tree node) _i "Config3<br/>sat: %a<br/>unsat: %a<br/>todo: %a<br/>"
+ StateSet.print config3.Ata.sat
+ StateSet.print config3.Ata.unsat
+ (Ata.TransList.print ~sep:"<br/>") config3.Ata.todo)
in
- if states3 != states2 then set cache tree node states3;
- if states0 != states3 && (not !redo) then redo := true
+ if config2 != config3 then set cache tree node config3;
+ (* We do set the redo flat if : *)
+ if not (
+ !redo (* already set *)
+ || (Ata.TransList.nil == config3.Ata.Config.node.Ata.todo) (* no more transition to check *)
+ || (config0 == config3) (* did not gain any new information *)
+ )
+ then redo := true
end
in
loop node;
let acc0 = loop (T.next_sibling tree node) acc in
let acc1 = loop (T.first_child tree node) acc0 in
- if StateSet.intersect (get cache tree node) auto.Ata.selection_states then
+ if StateSet.intersect (get cache tree node).Ata.Config.node.Ata.sat auto.Ata.selection_states then
node::acc1
else
acc1
loop node []
let eval auto tree node =
- let cache = Cache.N1.create StateSet.empty in
+ let cache = Cache.N1.create
+ (Ata.Config.make { Ata.sat = StateSet.empty;
+ Ata.unsat = StateSet.empty;
+ Ata.todo = Ata.TransList.nil })
+ in
let redo = ref true in
let iter = ref 0 in
Ata.reset auto;
while !redo do
+ redo := false;
redo := top_down_run auto tree node cache !iter;
incr iter;
done;
+ at_exit (fun () -> eprintf "INFO: %i iterations\n" !iter);
let r = get_results auto tree node cache in
- TRACE(Html.gen_trace (module T : Tree.Sig.S with type t = T.t) (tree));
+ TRACE(Html.gen_trace (module T : Tree.S with type t = T.t) (tree));
r
end