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fix #3557

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-03 16:37:59 -07:00
parent 0b856638e9
commit 426e4cc75c
65 changed files with 135 additions and 146 deletions
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10
src/muz/bmc/dl_bmc_engine.cpp
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@ -26,6 +26,7 @@ Revision History:
#include "ast/scoped_proof.h"
#include "smt/smt_solver.h"
#include "tactic/fd_solver/fd_solver.h"
#include "tactic/tactic.h"
#include "muz/base/dl_context.h"
#include "muz/base/dl_rule_transformer.h"
#include "muz/bmc/dl_bmc_engine.h"
@ -35,6 +36,7 @@ Revision History:
#include "muz/transforms/dl_mk_rule_inliner.h"
#include "muz/base/fp_params.hpp"
namespace datalog {
// ---------------------------------------------------------------------------
@ -485,7 +487,7 @@ namespace datalog {
}
proof_ref get_proof(model_ref& md, func_decl* pred, app* prop, unsigned level) {
if (m.canceled()) {
if (!m.inc()) {
return proof_ref(nullptr, m);
}
TRACE("bmc", tout << "Predicate: " << pred->get_name() << "\n";);
@ -1173,7 +1175,7 @@ namespace datalog {
private:
void get_model(unsigned level) {
if (m.canceled()) {
if (!m.inc()) {
return;
}
rule_manager& rm = b.m_ctx.get_rule_manager();
@ -1520,9 +1522,7 @@ namespace datalog {
}
void bmc::checkpoint() {
if (m.canceled()) {
throw default_exception(Z3_CANCELED_MSG);
}
tactic::checkpoint(m);
}
void bmc::display_certificate(std::ostream& out) const {