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patching up trim

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-07-25 11:32:20 -07:00
parent 6da4f6815e
commit 0f2fe6031a
1 changed files with 4 additions and 3 deletions
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7
src/sat/sat_proof_trim.cpp
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@ -177,7 +177,8 @@ namespace sat {
IF_VERBOSE(3, verbose_stream() << "core " << cl << "\n"); IF_VERBOSE(3, verbose_stream() << "core " << cl << "\n");
unsigned trail_size0 = s.m_trail.size(); unsigned trail_size0 = s.m_trail.size();
if (!cl.empty()) { bool probe = !cl.empty() && !s.inconsistent();
if (probe) {
SASSERT(!s.inconsistent()); SASSERT(!s.inconsistent());
s.push(); s.push();
unsigned lvl = s.scope_lvl(); unsigned lvl = s.scope_lvl();
@ -214,7 +215,7 @@ namespace sat {
s.reset_mark(v); s.reset_mark(v);
add_dependency(s.get_justification(v)); add_dependency(s.get_justification(v));
} }
if (!cl.empty()) if (probe)
s.pop(1); s.pop(1);
} }
@ -384,7 +385,7 @@ namespace sat {
}; };
if (all_of(m_clause, [&](sat::literal lit) { return s.value(lit) == l_false; })) { if (all_of(m_clause, [&](sat::literal lit) { return s.value(lit) == l_false; })) {
IF_VERBOSE(3, verbose_stream() << "conflict " << m_clause << "\n"); IF_VERBOSE(3, verbose_stream() << "false clause " << m_clause << "\n");
set_conflict(m_clause, cl); set_conflict(m_clause, cl);
return; return;
} }