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moving to resource managed cancellation

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-11 13:13:11 -08:00
parent 61dbb6168e
commit 32b6b2da44
41 changed files with 55 additions and 280 deletions
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19
src/muz/bmc/dl_bmc_engine.cpp
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@ -483,7 +483,7 @@ namespace datalog {
}
proof_ref get_proof(model_ref& md, func_decl* pred, app* prop, unsigned level) {
if (b.m_cancel) {
if (!m.limit().inc()) {
return proof_ref(0, m);
}
TRACE("bmc", tout << "Predicate: " << pred->get_name() << "\n";);
@ -1172,7 +1172,7 @@ namespace datalog {
private:
void get_model(unsigned level) {
if (b.m_cancel) {
if (!m.limit().inc()) {
return;
}
rule_manager& rm = b.m_ctx.get_rule_manager();
@ -1426,8 +1426,7 @@ namespace datalog {
m_solver(m, m_fparams),
m_rules(ctx),
m_query_pred(m),
m_answer(m),
m_cancel(false) {
m_answer(m) {
}
bmc::~bmc() {}
@ -1510,21 +1509,11 @@ namespace datalog {
}
void bmc::checkpoint() {
if (m_cancel) {
if (!m.limit().inc()) {
throw default_exception("bmc canceled");
}
}
void bmc::cancel() {
m_cancel = true;
m_solver.cancel();
}
void bmc::cleanup() {
m_cancel = false;
m_solver.reset();
}
void bmc::display_certificate(std::ostream& out) const {
out << mk_pp(m_answer, m) << "\n";
}

5
src/muz/bmc/dl_bmc_engine.h
View file

@ -38,7 +38,6 @@ namespace datalog {
rule_set m_rules;
func_decl_ref m_query_pred;
expr_ref m_answer;
volatile bool m_cancel;
void checkpoint();
@ -59,10 +58,6 @@ namespace datalog {
lbool query(expr* query);
void cancel();
void cleanup();
void display_certificate(std::ostream& out) const;
void collect_statistics(statistics& st) const;