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add backtrack level to cuber interface

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-08 21:44:21 -08:00
parent 0a9946578b
commit 75b8d10f48
22 changed files with 53 additions and 40 deletions
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4
src/sat/sat_solver.cpp
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@ -837,11 +837,11 @@ namespace sat {
return lh.select_lookahead(assumptions, vars);
}
lbool solver::cube(bool_var_vector const& vars, literal_vector& lits) {
lbool solver::cube(bool_var_vector const& vars, literal_vector& lits, unsigned backtrack_level) {
if (!m_cuber) {
m_cuber = alloc(lookahead, *this);
}
lbool result = m_cuber->cube(vars, lits);
lbool result = m_cuber->cube(vars, lits, backtrack_level);
if (result == l_false) {
dealloc(m_cuber);
m_cuber = nullptr;