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relax condition on theory disequality propagation fix #4194

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Nikolaj Bjorner 2020-05-03 11:18:31 -07:00
parent fcab7e4f9c
commit d3e4dd69f8
1 changed files with 2 additions and 0 deletions
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2
src/smt/smt_context_inv.cpp
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@ -276,6 +276,8 @@ namespace smt {
enode * rhs = n->get_arg(1)->get_root(); enode * rhs = n->get_arg(1)->get_root();
if (rhs->is_interpreted() && lhs->is_interpreted()) if (rhs->is_interpreted() && lhs->is_interpreted())
continue; continue;
if (lhs == rhs)
continue;
TRACE("check_th_diseq_propagation", tout << "num. theory_vars: " << lhs->get_num_th_vars() << " " TRACE("check_th_diseq_propagation", tout << "num. theory_vars: " << lhs->get_num_th_vars() << " "
<< mk_pp(m.get_sort(lhs->get_owner()), m) << "\n";); << mk_pp(m.get_sort(lhs->get_owner()), m) << "\n";);
theory_var_list * l = lhs->get_th_var_list(); theory_var_list * l = lhs->get_th_var_list();