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opt

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-08-16 22:31:54 -07:00
parent 33f74b9c9f
commit f748a03ac7
10 changed files with 60 additions and 51 deletions
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8
src/tactic/bv/bit_blaster_tactic.cpp
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@ -69,6 +69,7 @@ class bit_blaster_tactic : public tactic {
expr_ref new_curr(m());
proof_ref new_pr(m());
unsigned size = g->size();
bool change = false;
for (unsigned idx = 0; idx < size; idx++) {
if (g->inconsistent())
break;
@ -79,10 +80,13 @@ class bit_blaster_tactic : public tactic {
proof * pr = g->pr(idx);
new_pr = m().mk_modus_ponens(pr, new_pr);
}
g->update(idx, new_curr, new_pr, g->dep(idx));
if (curr != new_curr) {
change = true;
g->update(idx, new_curr, new_pr, g->dep(idx));
}
}
if (g->models_enabled())
if (change && g->models_enabled())
mc = mk_bit_blaster_model_converter(m(), m_rewriter.const2bits());
else
mc = 0;