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potential generalization

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This commit is contained in:
Jakob Rath 2023-02-23 11:24:32 +01:00
parent 645f4620de
commit 9b274f349b
1 changed files with 2 additions and 0 deletions
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src/math/polysat/saturation.cpp
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@ -121,6 +121,8 @@ namespace polysat {
return prop;
}
// Ovfl(x, y) & ~Ovfl(y, z) ==> x > z
// TODO: Ovfl(x, y1) & ~Ovfl(y2, z) & y1 <= y2 ==> x > z
bool saturation::try_umul_ovfl_noovfl(pvar v, signed_constraint c1, conflict& core) {
set_rule("[y] ovfl(x, y) & ~ovfl(y, z) ==> x > z");
SASSERT(c1->is_umul_ovfl());