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#5336

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This commit is contained in:
Nikolaj Bjorner 2021-07-11 21:00:58 +02:00
parent 18a76ab82c
commit cab1076514
4 changed files with 35 additions and 16 deletions
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8
src/sat/smt/euf_solver.cpp
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@ -302,13 +302,17 @@ namespace euf {
size_t* c = to_ptr(l);
SASSERT(is_literal(c));
SASSERT(l == get_literal(c));
if (!sign && n->is_equality()) {
if (n->value_conflict()) {
euf::enode* nb = sign ? mk_false() : mk_true();
m_egraph.merge(n, nb, c);
}
else if (!sign && n->is_equality()) {
SASSERT(!m.is_iff(e));
euf::enode* na = n->get_arg(0);
euf::enode* nb = n->get_arg(1);
m_egraph.merge(na, nb, c);
}
else if (n->merge_tf() || n->value_conflict()) {
else if (n->merge_tf()) {
euf::enode* nb = sign ? mk_false() : mk_true();
m_egraph.merge(n, nb, c);
}