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introduce try_factor_equality2, disabled as it exposes new bugs. Old bug on bench15.smt2 exposed in debug mode

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2022-12-24 12:05:54 -08:00
parent 4e0604bc22
commit 48cd05c725
3 changed files with 75 additions and 5 deletions
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src/math/polysat/solver.cpp
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@ -1061,6 +1061,7 @@ namespace polysat {
signed_constraint const c = lit2cnstr(lit);
LOG_V(10, "Evaluate: " << lit_pp(*this ,lit));
SASSERT(c.is_currently_true(*this));
VERIFY(c.is_currently_true(*this));
unsigned level = 0;
// NOTE: constraint may be evaluated even if some variables are still unassigned (e.g., 0*x doesn't depend on x).
for (auto v : c->vars())