mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-06-27 16:38:45 +00:00
Code Activity

expose missed propagations

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-18 08:57:32 -07:00
parent e0e7836c12
commit edea879864
3 changed files with 6 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/sat/sat_lookahead.cpp
View file

@ -408,6 +408,7 @@ namespace sat {
}
bool lookahead::missed_propagation() const {
if (inconsistent()) return false;
for (literal l1 : m_trail) {
SASSERT(is_true(l1));
for (literal l2 : m_binary[l1.index()]) {
@ -1614,7 +1615,7 @@ namespace sat {
}
SASSERT(m_qhead == m_trail.size() || (inconsistent() && m_qhead < m_trail.size()));
//SASSERT(!missed_conflict());
//SASSERT(inconsistent() || !missed_propagation());
VERIFY(!missed_propagation());
TRACE("sat_verbose", display(tout << scope_lvl() << " " << (inconsistent()?"unsat":"sat") << "\n"););
}
@ -1656,6 +1657,7 @@ namespace sat {
unsat = inconsistent();
pop_lookahead1(lit, num_units);
}
// VERIFY(!missed_propagation());
if (unsat) {
TRACE("sat", tout << "backtracking and settting " << ~lit << "\n";);
lookahead_backtrack();