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delay-initialize solver to avoid conflicts with global parameters #3076

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-03-10 11:34:49 -07:00
parent bed2097fc4
commit 9e41e88392
1 changed files with 11 additions and 6 deletions
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17
src/qe/qsat.cpp
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@ -545,12 +545,11 @@ namespace qe {
public:
kernel(ast_manager& m):
m(m),
m_solver(mk_smt_solver(m, m_params, symbol::null))
m_solver(nullptr)
{
m_params.set_bool("model", true);
m_params.set_uint("relevancy", 0);
m_params.set_uint("case_split_strategy", CS_ACTIVITY_WITH_CACHE);
m_solver->updt_params(m_params);
}
solver& s() { return *m_solver; }
@ -559,9 +558,14 @@ namespace qe {
void init() {
m_solver = mk_smt_solver(m, m_params, symbol::null);
}
void collect_statistics(statistics & st) const {
if (m_solver)
m_solver->collect_statistics(st);
}
void reset_statistics() {
init();
}
void clear() {
m_solver = nullptr;
}
@ -712,8 +716,8 @@ namespace qe {
void clear() {
m_st.reset();
m_fa.s().collect_statistics(m_st);
m_ex.s().collect_statistics(m_st);
m_fa.collect_statistics(m_st);
m_ex.collect_statistics(m_st);
m_pred_abs.collect_statistics(m_st);
m_level = 0;
m_answer.reset();
@ -1062,6 +1066,7 @@ namespace qe {
*/
expr_ref elim(app_ref_vector& vars, expr* _fml) {
expr_ref fml(_fml, m);
TRACE("qe", tout << vars << ": " << fml << "\n";);
expr_ref_vector defs(m);
if (has_quantifiers(fml)) {
return expr_ref(m);
@ -1236,7 +1241,6 @@ namespace qe {
m_was_sat(false),
m_gt(m)
{
reset();
}
~qsat() override {
@ -1262,6 +1266,8 @@ namespace qe {
// fail if cores. (TBD)
// fail if proofs. (TBD)
TRACE("qe", tout << fml << "\n";);
if (m_mode == qsat_qe_rec) {
fml = elim_rec(fml);
in->reset();
@ -1272,7 +1278,6 @@ namespace qe {
}
reset();
TRACE("qe", tout << fml << "\n";);
if (m_mode != qsat_sat) {
fml = push_not(fml);
}