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fix #4108

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-26 20:22:02 -07:00
parent 735888145e
commit f7a7b9e1f4
1 changed files with 4 additions and 2 deletions
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6
src/ast/rewriter/pb2bv_rewriter.cpp
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@ -819,7 +819,9 @@ struct pb2bv_rewriter::imp {
return false; return false;
} }
} }
if (m.is_ite(a, c, th, el) && au.is_numeral(th, r1) && au.is_numeral(el, r2)) { if (m.is_ite(a, c, th, el) &&
au.is_numeral(th, r1) &&
au.is_numeral(el, r2)) {
r1 *= mul; r1 *= mul;
r2 *= mul; r2 *= mul;
if (r1 < r2) { if (r1 < r2) {
@ -832,7 +834,7 @@ struct pb2bv_rewriter::imp {
m_coeffs.push_back(r1-r2); m_coeffs.push_back(r1-r2);
m_k -= r2; m_k -= r2;
} }
return m_k.is_int(); return m_k.is_int() && (r1-r2).is_int();
} }
return false; return false;
} }