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fix #3057

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-20 20:41:59 -08:00
parent f604fad779
commit 84b12dddac
1 changed files with 1 additions and 1 deletions
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2
src/qe/nlqsat.cpp
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@ -608,7 +608,7 @@ namespace qe {
if (a.is_div(n, n1, n2) && a.is_numeral(n2, r) && !r.is_zero()) { if (a.is_div(n, n1, n2) && a.is_numeral(n2, r) && !r.is_zero()) {
return; return;
} }
if (a.is_power(n, n1, n2) && a.is_numeral(n2, r) && r.is_unsigned()) { if (a.is_power(n, n1, n2) && a.is_numeral(n2, r) && r.is_unsigned() && r.is_pos()) {
return; return;
} }
if (a.is_div(n) && s.m_mode == qsat_t && is_ground(n)) { if (a.is_div(n) && s.m_mode == qsat_t && is_ground(n)) {