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set relevancy flag on enode

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This commit is contained in:
Nikolaj Bjorner 2021-12-29 17:57:28 -08:00
parent a90b66134d
commit b87b464e69
10 changed files with 40 additions and 25 deletions
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src/ast/euf/euf_enode.h
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@ -49,6 +49,7 @@ namespace euf {
bool m_interpreted = false;
bool m_merge_enabled = true;
bool m_is_equality = false; // Does the expression represent an equality
bool m_is_relevant = false;
lbool m_value = l_undef; // Assignment by SAT solver for Boolean node
sat::bool_var m_bool_var = sat::null_bool_var; // SAT solver variable associated with Boolean node
unsigned m_class_size = 1; // Size of the equivalence class if the enode is the root.
@ -145,6 +146,8 @@ namespace euf {
unsigned num_parents() const { return m_parents.size(); }
bool interpreted() const { return m_interpreted; }
bool is_equality() const { return m_is_equality; }
bool is_relevant() const { return m_is_relevant; }
void set_relevant(bool b) { m_is_relevant = b; }
lbool value() const { return m_value; }
bool value_conflict() const { return value() != l_undef && get_root()->value() != l_undef && value() != get_root()->value(); }
sat::bool_var bool_var() const { return m_bool_var; }