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trigger also parity constraints in linear case

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-12-06 05:18:50 -08:00
parent ef811a3dd8
commit fdba85e39f
2 changed files with 3 additions and 2 deletions
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2
src/math/polysat/saturation.cpp
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@ -643,8 +643,6 @@ namespace polysat {
signed_constraint a_is_odd, x_is_odd, b_is_odd;
if (!is_AxB_eq_0(x, axb_l_y, a, b, y))
return false;
if (a.is_val())
return false;
if (!is_forced_odd(b, b_is_odd)) {
if (!is_forced_odd(a, a_is_odd))
return false;

3
src/math/polysat/ule_constraint.cpp
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@ -184,6 +184,9 @@ namespace polysat {
signed_constraint sc(this, is_positive);
if (sc.bvar() == 31) {
IF_VERBOSE(0, verbose_stream() << "Narrow " << sc << " with " << p << " " << q << "\n");
}
LOG_H3("Narrowing " << sc);
LOG_V("Assignment: " << assignments_pp(s));
LOG_V("Substituted LHS: " << lhs() << " := " << p);