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fixing #1520

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-07-28 18:03:13 -07:00
commit 1cb3f7c792
27 changed files with 340 additions and 272 deletions
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14
src/smt/smt_internalizer.cpp
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@ -678,8 +678,18 @@ namespace smt {
push_trail(set_merge_tf_trail(n));
n->m_merge_tf = true;
lbool val = get_assignment(v);
if (val != l_undef)
push_eq(n, val == l_true ? m_true_enode : m_false_enode, eq_justification(literal(v, val == l_false)));
switch (val) {
case l_undef:
break;
case l_true:
if (n->get_root() != m_true_enode->get_root())
push_eq(n, m_true_enode, eq_justification(literal(v, false)));
break;
case l_false:
if (n->get_root() != m_false_enode->get_root())
push_eq(n, m_false_enode, eq_justification(literal(v, true)));
break;
}
}
}