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added QBMC backend based on quantified bit-vectors

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-10-22 08:12:01 -07:00
parent 294da9acff
commit 67b57c8c28
6 changed files with 408 additions and 60 deletions
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15
lib/dl_context.cpp
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@ -589,6 +589,7 @@ namespace datalog {
ensure_pdr();
return m_pdr->get_num_levels(pred);
case BMC_ENGINE:
case QBMC_ENGINE:
throw default_exception("get_num_levels is unsupported for bmc");
default:
throw default_exception("unknown engine");
@ -604,6 +605,7 @@ namespace datalog {
ensure_pdr();
return m_pdr->get_cover_delta(level, pred);
case BMC_ENGINE:
case QBMC_ENGINE:
throw default_exception("operation is unsupported for BMC engine");
default:
throw default_exception("unknown engine");
@ -620,6 +622,7 @@ namespace datalog {
m_pdr->add_cover(level, pred, property);
break;
case BMC_ENGINE:
case QBMC_ENGINE:
throw default_exception("operation is unsupported for BMC engine");
default:
throw default_exception("unknown engine");
@ -751,6 +754,7 @@ namespace datalog {
check_positive_predicates(r);
break;
case BMC_ENGINE:
case QBMC_ENGINE:
check_existential_tail(r);
check_positive_predicates(r);
break;
@ -969,12 +973,14 @@ namespace datalog {
PRIVATE_PARAMS(p.insert(":inline-linear-branch", CPK_BOOL, "try linear inlining method with potential expansion"););
pdr::dl_interface::collect_params(p);
bmc::collect_params(p);
insert_timeout(p);
}
void context::updt_params(params_ref const& p) {
m_params.copy(p);
if (m_pdr.get()) m_pdr->updt_params();
}
void context::collect_predicates(decl_set & res) {
@ -1109,11 +1115,13 @@ namespace datalog {
void context::cancel() {
m_cancel = true;
if (m_pdr.get()) m_pdr->cancel();
if (m_bmc.get()) m_bmc->cancel();
}
void context::cleanup() {
m_cancel = false;
if (m_pdr.get()) m_pdr->cleanup();
if (m_bmc.get()) m_bmc->cleanup();
}
class context::engine_type_proc {
@ -1157,6 +1165,9 @@ namespace datalog {
else if (e == symbol("bmc")) {
m_engine = BMC_ENGINE;
}
else if (e == symbol("qbmc")) {
m_engine = QBMC_ENGINE;
}
if (m_engine == LAST_ENGINE) {
expr_fast_mark1 mark;
@ -1190,6 +1201,7 @@ namespace datalog {
case QPDR_ENGINE:
return pdr_query(query);
case BMC_ENGINE:
case QBMC_ENGINE:
return bmc_query(query);
default:
UNREACHABLE();
@ -1450,6 +1462,7 @@ namespace datalog {
m_last_answer = m_pdr->get_answer();
return m_last_answer.get();
case BMC_ENGINE:
case QBMC_ENGINE:
ensure_bmc();
m_last_answer = m_bmc->get_answer();
return m_last_answer.get();
@ -1471,6 +1484,7 @@ namespace datalog {
m_pdr->display_certificate(out);
return true;
case BMC_ENGINE:
case QBMC_ENGINE:
m_bmc->display_certificate(out);
return true;
default:
@ -1490,6 +1504,7 @@ namespace datalog {
m_pdr->collect_statistics(st);
break;
case BMC_ENGINE:
case QBMC_ENGINE:
m_bmc->collect_statistics(st);
break;
default: