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debug output

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This commit is contained in:
Jakob Rath 2023-03-02 16:06:26 +01:00
parent 5a901e31fd
commit 60de8f165e
1 changed files with 16 additions and 4 deletions
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20
src/math/polysat/solver.cpp
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@ -1625,11 +1625,23 @@ namespace polysat {
for (clause const& cl : m_constraints.clauses()) {
if (cl.size() <= 1) // unit clauses aren't watched
continue;
VERIFY_EQ(count(m_bvars.watch(cl[0]), &cl), 1);
VERIFY_EQ(count(m_bvars.watch(cl[1]), &cl), 1);
for (unsigned i = 2; i < cl.size(); ++i) {
VERIFY_EQ(count(m_bvars.watch(cl[i]), &cl), 0);
size_t const count0 = count(m_bvars.watch(cl[0]), &cl);
size_t const count1 = count(m_bvars.watch(cl[1]), &cl);
size_t count_tail = 0;
for (unsigned i = 2; i < cl.size(); ++i)
count_tail += count(m_bvars.watch(cl[i]), &cl);
if (count0 != 1 || count1 != 1 || count_tail != 0) {
verbose_stream() << "wrong boolean watches: " << cl << "\n";
for (sat::literal lit : cl) {
verbose_stream() << " " << lit_pp(*this, lit);
if (count(m_bvars.watch(lit), &cl) != 0)
verbose_stream() << " (bool-watched)";
verbose_stream() << "\n";
}
}
VERIFY_EQ(count0, 1);
VERIFY_EQ(count1, 1);
VERIFY_EQ(count_tail, 0);
}
// Check for missed boolean propagations:
// - no clause should have exactly one unassigned literal, unless it is already true.