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@ -156,6 +156,7 @@ namespace euf {
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bool interpreted() const { return m_interpreted; }
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bool is_equality() const { return m_is_equality; }
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lbool value() const { return m_value; }
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bool value_conflict() const { return value() != l_undef && get_root()->value() != l_undef && value() != get_root()->value(); }
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sat::bool_var bool_var() const { return m_bool_var; }
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bool is_cgr() const { return this == m_cg; }
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enode* get_cg() const { return m_cg; }
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@ -294,7 +294,7 @@ namespace euf {
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euf::enode* n = m_egraph.find(e);
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if (!n)
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return;
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bool sign = l.sign();
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bool sign = l.sign();
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m_egraph.set_value(n, sign ? l_false : l_true);
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for (auto th : enode_th_vars(n))
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m_id2solver[th.get_id()]->asserted(l);
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@ -308,7 +308,7 @@ namespace euf {
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euf::enode* nb = n->get_arg(1);
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m_egraph.merge(na, nb, c);
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}
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else if (n->merge_tf()) {
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else if (n->merge_tf() || n->value_conflict()) {
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euf::enode* nb = sign ? mk_false() : mk_true();
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m_egraph.merge(n, nb, c);
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}
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