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remove iff

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-05-16 18:35:38 -07:00 • committed by Arie Gurfinkel
parent ecf15ab07d
commit ff0f257102
47 changed files with 199 additions and 264 deletions
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4
src/smt/smt_conflict_resolution.cpp
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@ -771,7 +771,7 @@ namespace smt {
app * fact = to_app(m_manager.get_fact(pr));
app * n1_owner = n1->get_owner();
app * n2_owner = n2->get_owner();
bool is_eq = m_manager.is_eq(fact) || m_manager.is_iff(fact);
bool is_eq = m_manager.is_eq(fact);
if (!is_eq || (fact->get_arg(0) != n2_owner && fact->get_arg(1) != n2_owner)) {
CTRACE("norm_eq_proof_bug", !m_ctx.is_true(n2) && !m_ctx.is_false(n2),
tout << "n1: #" << n1->get_owner_id() << ", n2: #" << n2->get_owner_id() << "\n";
@ -794,7 +794,7 @@ namespace smt {
TRACE("norm_eq_proof",
tout << "#" << n1->get_owner_id() << " = #" << n2->get_owner_id() << "\n";
tout << mk_ll_pp(pr, m_manager, true, false););
SASSERT(m_manager.is_eq(fact) || m_manager.is_iff(fact));
SASSERT(m_manager.is_eq(fact));
SASSERT((fact->get_arg(0) == n1->get_owner() && fact->get_arg(1) == n2->get_owner()) ||
(fact->get_arg(1) == n1->get_owner() && fact->get_arg(0) == n2->get_owner()));
if (fact->get_arg(0) == n1_owner && fact->get_arg(1) == n2_owner)