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fix bug reported by Nuno Lopes when query gets sliced

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-03-19 20:23:54 -07:00
parent a8fb15ce2c
commit a9e8045071
1 changed files with 4 additions and 0 deletions
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4
src/muz/bmc/dl_bmc_engine.cpp
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@ -1465,6 +1465,10 @@ namespace datalog {
if (m_rules.get_num_rules() == 0) {
return l_false;
}
if (m_rules.get_predicate_rules(m_query_pred).empty()) {
return l_false;
}
if (is_linear()) {
if (m_ctx.get_engine() == QBMC_ENGINE) {