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avoid crash on quantifiers + sequences

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-05-03 16:24:12 -07:00
parent 52e367417f
commit d11d9bd1de
2 changed files with 25 additions and 6 deletions
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6
src/smt/theory_seq.cpp
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@ -2380,7 +2380,7 @@ void theory_seq::init_model(expr_ref_vector const& es) {
}
void theory_seq::init_model(model_generator & mg) {
m_factory = alloc(seq_factory, get_manager(), get_family_id());
m_factory = alloc(seq_factory, get_manager(), get_family_id(), mg.get_model());
mg.register_factory(m_factory);
for (unsigned j = 0; j < m_nqs.size(); ++j) {
ne const& n = m_nqs[j];
@ -2469,7 +2469,9 @@ model_value_proc * theory_seq::mk_value(enode * n, model_generator & mg) {
for (unsigned i = 0; i < concats.size(); ++i) {
expr* c = concats[i], *c1;
if (m_util.str.is_unit(c, c1)) {
sv->add_dependency(ctx.get_enode(c1));
if (ctx.e_internalized(c1)) {
sv->add_dependency(ctx.get_enode(c1));
}
}
else if (m_util.str.is_string(c)) {
sv->add_string(c);