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tinker with bound atom (#80)

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-08-27 20:48:11 -07:00 committed by Lev Nachmanson
parent 89d086fff0
commit 64ecefdf07
1 changed files with 8 additions and 6 deletions
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14
src/smt/theory_lra.cpp
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@ -2075,7 +2075,6 @@ public:
niil::lemma m_lemma;
lbool check_aftermath_niil(lbool r) {
TRACE("arith", tout << "niil: " << r << "\n";);
switch (r) {
case l_false: {
literal_vector core;
@ -2083,14 +2082,15 @@ public:
bool is_lower = true, pos = true, is_eq = false;
switch (ineq.m_cmp) {
case lp::LE: is_lower = false; pos = true; break;
case lp::LT: is_lower = true; pos = false; break;
case lp::GE: is_lower = true; pos = true; break;
case lp::GT: is_lower = true; pos = false; break;
case lp::LE: is_lower = false; pos = false; break;
case lp::LT: is_lower = true; pos = true; break;
case lp::GE: is_lower = true; pos = false; break;
case lp::GT: is_lower = false; pos = true; break;
case lp::EQ: is_eq = true; pos = true; break;
case lp::NE: is_eq = true; pos = false; break;
default: UNREACHABLE();
}
TRACE("arith", tout << "is_lower: " << is_lower << " pos " << pos << "\n";);
app_ref atom(m);
if (is_eq) {
atom = mk_eq(ineq.m_term);
@ -3205,9 +3205,11 @@ public:
for (auto const& eq : m_eqs) {
m_core.push_back(th.mk_eq(eq.first->get_owner(), eq.second->get_owner(), false));
}
for (auto & c : m_core) {
for (literal & c : m_core) {
c.neg();
ctx().mark_as_relevant(c);
}
TRACE("arith", ctx().display_literals_verbose(tout, m_core););
ctx().mk_th_axiom(get_id(), m_core.size(), m_core.c_ptr());
}
}