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perf(lra): only call simplex.check if new things were asserted

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This commit is contained in:
Simon Cruanes 2021-02-15 17:09:38 -05:00
parent 2a6c224f08
commit 0634e7c356
1 changed files with 6 additions and 1 deletions
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5
src/arith/lra/sidekick_arith_lra.ml
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@ -379,6 +379,8 @@ module Make(A : ARG) : S with module A = A = struct
simplex. *)
let partial_check_ self si acts trail : unit =
Profile.with_ "lra.partial-check" @@ fun () ->
let changed = ref false in
trail
(fun lit ->
let sign = SI.Lit.sign lit in
@ -395,6 +397,7 @@ module Make(A : ARG) : S with module A = A = struct
(fun k->k "(@[lra.partial-check.assert@ %a@])"
SimpSolver.Constraint.pp constr);
begin
changed := true;
try
SimpSolver.add_var self.simplex v;
SimpSolver.add_constraint self.simplex constr (Tag.Lit lit)
@ -407,7 +410,9 @@ module Make(A : ARG) : S with module A = A = struct
| _ -> ());
(* incremental check *)
if !changed then (
ignore (check_simplex_ self si acts : SimpSolver.Subst.t);
);
()
let final_check_ (self:state) si (acts:SI.actions) (_trail:_ Iter.t) : unit =