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Fixed bug in sat model converter. Fixes #1148.

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This commit is contained in:
Christoph M. Wintersteiger 2017-07-15 20:25:13 +01:00
parent 8a57e081f7
commit da34de340d
4 changed files with 45 additions and 24 deletions
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27
src/sat/sat_model_converter.cpp
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@ -32,7 +32,7 @@ namespace sat {
void model_converter::reset() {
m_entries.finalize();
}
void model_converter::operator()(model & m) const {
vector<entry>::const_iterator begin = m_entries.begin();
vector<entry>::const_iterator it = m_entries.end();
@ -46,7 +46,7 @@ namespace sat {
literal_vector::const_iterator it2 = it->m_clauses.begin();
literal_vector::const_iterator end2 = it->m_clauses.end();
for (; it2 != end2; ++it2) {
literal l = *it2;
literal l = *it2;
if (l == null_literal) {
// end of clause
if (!sat) {
@ -56,6 +56,7 @@ namespace sat {
sat = false;
continue;
}
if (sat)
continue;
bool sign = l.sign();
@ -125,7 +126,7 @@ namespace sat {
}
return ok;
}
model_converter::entry & model_converter::mk(kind k, bool_var v) {
m_entries.push_back(entry(k, v));
entry & e = m_entries.back();
@ -218,7 +219,7 @@ namespace sat {
out << *it2;
}
out << ")";
}
}
out << ")\n";
}
@ -237,4 +238,22 @@ namespace sat {
}
}
unsigned model_converter::max_var(unsigned min) const {
unsigned result = min;
vector<entry>::const_iterator it = m_entries.begin();
vector<entry>::const_iterator end = m_entries.end();
for (; it != end; ++it) {
literal_vector::const_iterator lvit = it->m_clauses.begin();
literal_vector::const_iterator lvend = it->m_clauses.end();
for (; lvit != lvend; ++lvit) {
literal l = *lvit;
if (l != null_literal) {
if (l.var() > result)
result = l.var();
}
}
}
return result;
}
};