mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-07-18 02:16:40 +00:00
Code Activity

fix crash reported in #784

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-11-12 08:58:03 -08:00
parent 865c0c0109
commit e0613b6737
2 changed files with 6 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/sat/sat_simplifier.cpp
View file

@ -141,6 +141,8 @@ namespace sat {
CASSERT("sat_solver", s.check_invariant()); CASSERT("sat_solver", s.check_invariant());
TRACE("before_simplifier", s.display(tout);); TRACE("before_simplifier", s.display(tout););
m_sub_todo.reset();
m_sub_bin_todo.reset();
s.m_cleaner(true); s.m_cleaner(true);
m_last_sub_trail_sz = s.m_trail.size(); m_last_sub_trail_sz = s.m_trail.size();
TRACE("after_cleanup", s.display(tout);); TRACE("after_cleanup", s.display(tout););

4
src/sat/sat_solver.cpp
View file

@ -3078,6 +3078,10 @@ namespace sat {
m_binary_clause_graph[l1.index()].push_back(l2); m_binary_clause_graph[l1.index()].push_back(l2);
m_binary_clause_graph[l2.index()].push_back(l1); m_binary_clause_graph[l2.index()].push_back(l1);
} }
for (unsigned i = 0; i < lits.size(); ++i) {
m_binary_clause_graph.reserve(lits[i].index() + 1);
m_binary_clause_graph.reserve((~lits[i]).index() + 1);
}
bool non_empty = true; bool non_empty = true;
m_seen[0].reset(); m_seen[0].reset();
while (non_empty) { while (non_empty) {