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change functionality to not track ite terms for congruence closure

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This commit is contained in:
Nikolaj Bjorner 2022-11-24 19:45:16 +07:00
parent 15dc7b78a0
commit 5fe2ff84e9
1 changed files with 9 additions and 4 deletions
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13
src/sat/smt/euf_internalize.cpp
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@ -468,12 +468,13 @@ namespace euf {
euf::enode* solver::mk_enode(expr* e, unsigned num, enode* const* args) {
//
// Don't track congruences of Boolean connectives or arguments.
// The assignments to associated literals is sufficient
//
if (si.is_bool_op(e))
num = 0;
enode* n = m_egraph.mk(e, m_generation, num, args);
if (si.is_bool_op(e))
m_egraph.set_cgc_enabled(n, false);
//
// (if p th el) (non-Boolean case) produces clauses
@ -484,6 +485,10 @@ namespace euf {
//
if (m.is_ite(e))
num = 0;
enode* n = m_egraph.mk(e, m_generation, num, args);
if (si.is_bool_op(e))
m_egraph.set_cgc_enabled(n, false);
//
// To track congruences of Boolean children under non-Boolean