mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-06 17:44:08 +00:00
Code Activity

change functionality to not track ite terms for congruence closure

Browse source
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
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/sat/smt/euf_internalize.cpp
View file

@ -468,12 +468,13 @@ namespace euf {
euf::enode* solver::mk_enode(expr* e, unsigned num, enode* const* args) { 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)) if (si.is_bool_op(e))
num = 0; 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 // (if p th el) (non-Boolean case) produces clauses
@ -484,6 +485,10 @@ namespace euf {
// //
if (m.is_ite(e)) if (m.is_ite(e))
num = 0; 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 // To track congruences of Boolean children under non-Boolean