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fix backtracking of m_needs_congruence

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Jakob Rath 2023-07-18 16:00:26 +02:00
parent a96df2292e
commit 28ed3bd7ab
3 changed files with 32 additions and 6 deletions
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src/math/polysat/slicing.h
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@ -214,6 +214,7 @@ namespace polysat {
pvar mk_slice_extract(enode* src, unsigned hi, unsigned lo);
bool invariant() const;
bool invariant_needs_congruence() const;
/** Get variable representing x[hi:lo] */
pvar mk_extract_var(pvar x, unsigned hi, unsigned lo);
@ -243,6 +244,8 @@ namespace polysat {
void add_value(pvar v, rational const& value);
void add_constraint(signed_constraint c);
bool can_propagate() const;
// update congruences, egraph
void propagate();