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fix #1675, regression in core processing in maxres

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-06-19 23:23:19 -07:00
parent 26e9321517
commit 335d672bf1
43 changed files with 246 additions and 321 deletions
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7
src/smt/smt_consequences.cpp
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@ -637,15 +637,14 @@ namespace smt {
model_ref mdl;
for (unsigned i = 0; i < unfixed.size(); ++i) {
push();
for (unsigned j = 0; j < assumptions.size(); ++j) {
assert_expr(assumptions[j]);
}
for (expr* a : assumptions)
assert_expr(a);
TRACE("context", tout << "checking unfixed: " << mk_pp(unfixed[i], m) << "\n";);
lbool is_sat = check();
SASSERT(is_sat != l_false);
if (is_sat == l_true) {
get_model(mdl);
mdl->eval(unfixed[i], tmp);
tmp = (*mdl)(unfixed[i]);
if (m.is_value(tmp)) {
tmp = m.mk_not(m.mk_eq(unfixed[i], tmp));
assert_expr(tmp);