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add back minimize vars

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-01-26 18:01:26 -08:00
parent 6df23fbce3
commit be790b8892
8 changed files with 32 additions and 7 deletions
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8
src/math/polysat/solver.cpp
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@ -1040,6 +1040,14 @@ namespace polysat {
return p.subst_val(s);
}
pdd solver::subst(assignment_t const& sub, pdd const& p) const {
unsigned sz = p.manager().power_of_2();
pdd s = p.manager().mk_val(1);
for (auto const [var, val] : sub)
if (size(var) == sz)
s = p.manager().subst_add(s, var, val);
return p.subst_val(s);
}
/** Check that boolean assignment and constraint evaluation are consistent */
bool solver::assignment_invariant() {