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fix blast rule for overflow

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-02-05 08:16:34 -08:00
parent 10d56d9af9
commit 187a6b17dd
1 changed files with 3 additions and 4 deletions
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7
src/sat/smt/polysat/saturation.cpp
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@ -226,15 +226,14 @@ namespace polysat {
void saturation::try_umul_blast(umul_ovfl const& sc) {
auto x = sc.p();
auto y = sc.q();
if (!x.is_val())
rational vx, vy;
if (!c.try_eval(x, vx))
return;
if (!y.is_val())
if (!c.try_eval(y, vy))
return;
auto N = x.manager().power_of_2();
auto d = c.get_dependency(sc.id());
auto vx = x.val();
auto vy = y.val();
auto bx = vx.get_num_bits();
auto by = vy.get_num_bits();
if (bx > by) {