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import more from csp

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-02-11 13:09:28 -08:00
parent 02c85dd6de
commit 22783a4bcb
5 changed files with 21 additions and 17 deletions
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4
src/sat/sat_solver.cpp
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@ -95,7 +95,7 @@ namespace sat {
if (ext) ext->set_solver(this);
}
void solver::copy(solver const & src) {
void solver::copy(solver const & src, bool copy_learned) {
pop_to_base_level();
del_clauses(m_clauses);
del_clauses(m_learned);
@ -192,7 +192,7 @@ namespace sat {
// copy high quality lemmas
unsigned num_learned = 0;
for (clause* c : src.m_learned) {
if (c->glue() <= 2 || (c->size() <= 40 && c->glue() <= 8)) {
if (copy_learned || c->glue() <= 2 || (c->size() <= 40 && c->glue() <= 8)) {
buffer.reset();
for (literal l : *c) buffer.push_back(l);
clause* c1 = mk_clause_core(buffer.size(), buffer.c_ptr(), true);