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qsat-opt

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-04-28 21:31:16 -07:00
parent c414c6b5fd
commit c75fd02c95
5 changed files with 145 additions and 33 deletions
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18
src/qe/qsat.cpp
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@ -1326,25 +1326,9 @@ namespace qe {
void maximize(expr_ref_vector const& core, model& mdl) {
TRACE("qe", tout << "maximize: " << core << "\n";);
m_was_sat |= !core.empty();
if (core.empty()) {
m_ex.assert_expr(m.mk_false());
m_fa.assert_expr(m.mk_false());
return;
}
expr_ref bound(m);
m_bound = m_mbp.maximize(core, mdl, m_objective, m_value, bound);
switch (m_bound) {
case opt::unbounded:
m_ex.assert_expr(m.mk_false());
m_fa.assert_expr(m.mk_false());
break;
case opt::strict:
m_ex.assert_expr(bound);
break;
case opt::non_strict:
m_ex.assert_expr(bound);
break;
}
m_ex.assert_expr(bound);
}
};