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Merge branch 'master' of https://github.com/z3prover/z3

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This commit is contained in:
Nikolaj Bjorner 2018-04-27 17:49:51 +02:00
commit c64d044e60
2 changed files with 4 additions and 4 deletions
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6
src/opt/wmax.cpp
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@ -84,6 +84,9 @@ namespace opt {
if (m.canceled()) {
is_sat = l_undef;
}
if (is_sat == l_undef) {
break;
}
if (is_sat == l_false) {
TRACE("opt", tout << "Unsat\n";);
break;
@ -97,9 +100,6 @@ namespace opt {
//DEBUG_CODE(verify_cores(cores););
s().assert_expr(fml);
}
else {
//DEBUG_CODE(verify_cores(cores););
}
update_cores(wth(), cores);
wth().init_min_cost(m_upper - m_lower);
trace_bounds("wmax");

2
src/smt/theory_str.cpp
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@ -8096,7 +8096,7 @@ namespace smt {
rational nn1Len, nn2Len;
bool nn1Len_exists = get_len_value(lhs, nn1Len);
bool nn2Len_exists = get_len_value(rhs, nn2Len);
expr * emptyStr = mk_string("");
expr_ref emptyStr(mk_string(""), m);
if (nn1Len_exists && nn1Len.is_zero()) {
if (!in_same_eqc(lhs, emptyStr) && rhs != emptyStr) {