mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-07-19 10:52:02 +00:00
Code Activity

working on tab

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-01-17 08:17:21 -08:00
parent 50bf845b40
commit b19a47176b
7 changed files with 131 additions and 70 deletions
Download patch file Download diff file Expand all files Collapse all files

55
src/muz_qe/dl_context.cpp
View file

@ -544,14 +544,16 @@ namespace datalog {
unsigned context::get_num_levels(func_decl* pred) {
switch(get_engine()) {
case DATALOG_ENGINE:
throw default_exception("get_num_levels is unsupported for datalog engine");
throw default_exception("get_num_levels is not supported for datalog engine");
case PDR_ENGINE:
case QPDR_ENGINE:
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");
throw default_exception("get_num_levels is not supported for bmc");
case TAB_ENGINE:
throw default_exception("get_num_levels is not supported for tab");
default:
throw default_exception("unknown engine");
}
@ -560,14 +562,16 @@ namespace datalog {
expr_ref context::get_cover_delta(int level, func_decl* pred) {
switch(get_engine()) {
case DATALOG_ENGINE:
throw default_exception("operation is unsupported for datalog engine");
throw default_exception("operation is not supported for datalog engine");
case PDR_ENGINE:
case QPDR_ENGINE:
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");
throw default_exception("operation is not supported for BMC engine");
case TAB_ENGINE:
throw default_exception("operation is not supported for TAB engine");
default:
throw default_exception("unknown engine");
}
@ -576,7 +580,7 @@ namespace datalog {
void context::add_cover(int level, func_decl* pred, expr* property) {
switch(get_engine()) {
case DATALOG_ENGINE:
throw default_exception("operation is unsupported for datalog engine");
throw default_exception("operation is not supported for datalog engine");
case PDR_ENGINE:
case QPDR_ENGINE:
ensure_pdr();
@ -584,7 +588,9 @@ namespace datalog {
break;
case BMC_ENGINE:
case QBMC_ENGINE:
throw default_exception("operation is unsupported for BMC engine");
throw default_exception("operation is not supported for BMC engine");
case TAB_ENGINE:
throw default_exception("operation is not supported for TAB engine");
default:
throw default_exception("unknown engine");
}
@ -720,7 +726,11 @@ namespace datalog {
case QBMC_ENGINE:
check_existential_tail(r);
check_positive_predicates(r);
break;
break;
case TAB_ENGINE:
check_existential_tail(r);
check_positive_predicates(r);
break;
default:
UNREACHABLE();
break;
@ -921,6 +931,7 @@ namespace datalog {
if (m_pdr.get()) m_pdr->cancel();
if (m_bmc.get()) m_bmc->cancel();
if (m_rel.get()) m_rel->cancel();
if (m_tab.get()) m_tab->cancel();
}
void context::cleanup() {
@ -928,6 +939,7 @@ namespace datalog {
if (m_pdr.get()) m_pdr->cleanup();
if (m_bmc.get()) m_bmc->cleanup();
if (m_rel.get()) m_rel->cleanup();
if (m_tab.get()) m_tab->cleanup();
}
class context::engine_type_proc {
@ -974,6 +986,9 @@ namespace datalog {
else if (e == symbol("qbmc")) {
m_engine = QBMC_ENGINE;
}
else if (e == symbol("tab")) {
m_engine = TAB_ENGINE;
}
if (m_engine == LAST_ENGINE) {
expr_fast_mark1 mark;
@ -1008,6 +1023,8 @@ namespace datalog {
case BMC_ENGINE:
case QBMC_ENGINE:
return bmc_query(query);
case TAB_ENGINE:
return tab_query(query);
default:
UNREACHABLE();
return rel_query(query);
@ -1064,6 +1081,17 @@ namespace datalog {
return m_bmc->query(query);
}
void context::ensure_tab() {
if (!m_tab.get()) {
m_tab = alloc(tab, *this);
}
}
lbool context::tab_query(expr* query) {
ensure_tab();
return m_tab->query(query);
}
void context::ensure_rel() {
if (!m_rel.get()) {
m_rel = alloc(rel_context, *this);
@ -1100,6 +1128,10 @@ namespace datalog {
ensure_rel();
m_last_answer = m_rel->get_last_answer();
return m_last_answer.get();
case TAB_ENGINE:
ensure_tab();
m_last_answer = m_tab->get_answer();
return m_last_answer.get();
default:
UNREACHABLE();
}
@ -1120,6 +1152,10 @@ namespace datalog {
ensure_bmc();
m_bmc->display_certificate(out);
return true;
case TAB_ENGINE:
ensure_tab();
m_tab->display_certificate(out);
return true;
default:
return false;
}
@ -1151,6 +1187,11 @@ namespace datalog {
m_bmc->collect_statistics(st);
}
break;
case TAB_ENGINE:
if (m_tab) {
m_tab->collect_statistics(st);
}
break;
default:
break;
}