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quot_rem needs additional constraint: quot <= a

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This commit is contained in:
Jakob Rath 2022-01-12 13:44:30 +01:00
parent e0e03b3fc5
commit 3895d8d6bb
2 changed files with 37 additions and 0 deletions
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src/math/polysat/solver.cpp
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@ -132,6 +132,7 @@ namespace polysat {
add_eq(b * quot + rem - a);
add_noovfl(b, quot);
add_clause(eq(b), ult(rem, b), false);
add_ule(quot, a);
return std::tuple<pdd, pdd>(quot, rem);
}