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recfun

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-10-23 08:16:26 -07:00
parent fac114872f
commit aa6e1badf2
9 changed files with 95 additions and 33 deletions
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2
src/smt/smt_context_inv.cpp
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@ -303,7 +303,7 @@ namespace smt {
for (bool_var v = 0; v < num; v++) {
if (has_enode(v)) {
enode * n = bool_var2enode(v);
if (n->is_eq() && is_relevant(n) && get_assignment(v) == l_false) {
if (n->is_eq() && is_relevant(n) && get_assignment(v) == l_false && !m_manager.is_iff(n->get_owner())) {
TRACE("check_th_diseq_propagation", tout << "checking: #" << n->get_owner_id() << " " << mk_bounded_pp(n->get_owner(), m_manager) << "\n";);
enode * lhs = n->get_arg(0)->get_root();
enode * rhs = n->get_arg(1)->get_root();