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constant overflow forbidden interval

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-01-15 09:46:45 -08:00
parent a68bbb53e4
commit 677e261bb1
5 changed files with 28 additions and 10 deletions
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4
src/sat/smt/polysat/forbidden_intervals.cpp
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@ -118,7 +118,7 @@ namespace polysat {
rational A = div(bound, b2.val());
rational B = div(bound + A, A) - 1;
if (A >= 4 && B >= 4) {
if (!e2.is_val() && A >= 4 && B >= 4) {
_backtrack.released = false;
return false;
}
@ -149,7 +149,7 @@ namespace polysat {
// := div(2^N + A - 1, A)
rational A = div(bound, b2.val()) + 1;
rational B = div(bound + A, A);
if (A >= 4 && B >= 4) {
if (!e2.is_val() && A >= 4 && B >= 4) {
_backtrack.released = false;
return false;
}