mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-24 01:25:31 +00:00
Code Activity

#5429

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-07-30 21:35:09 -07:00
parent 1488bf81ae
commit 53ab931626
6 changed files with 137 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

58
src/shell/drat_frontend.cpp
View file

@ -171,6 +171,34 @@ public:
unsigned_vector params;
ptr_vector<sort> sorts;
void parse_quantifier(sexpr_ref const& sexpr, cmd_context& ctx, quantifier_kind& k, sort_ref_vector& domain, svector<symbol>& names) {
k = quantifier_kind::forall_k;
if (sexpr->get_kind() != sexpr::kind_t::COMPOSITE)
goto bail;
unsigned sz = sexpr->get_num_children();
if (sz == 0)
goto bail;
symbol q = sexpr->get_child(0)->get_symbol();
if (q == "forall")
k = quantifier_kind::forall_k;
else if (q == "exists")
k = quantifier_kind::exists_k;
else if (q == "lambda")
k = quantifier_kind::lambda_k;
else
goto bail;
for (unsigned i = 1; i < sz; ++i) {
std::cout << "parse bound\n";
}
return;
bail:
std::cout << "Could not parse expression\n";
sexpr->display(std::cout);
std::cout << "\n";
exit(0);
}
void parse_sexpr(sexpr_ref const& sexpr, cmd_context& ctx, expr_ref_vector const& args, expr_ref& result) {
params.reset();
sorts.reset();
@ -310,7 +338,17 @@ static void verify_smt(char const* drat_file, char const* smt_file) {
std::istringstream strm(r.m_name);
auto sexpr = parse_sexpr(ctx, strm, p, drat_file);
checker.parse_sexpr(sexpr, ctx, args, e);
exprs.reserve(r.m_node_id+1);
exprs.reserve(r.m_node_id + 1);
exprs.set(r.m_node_id, e);
break;
}
case dimacs::drat_record::tag_t::is_var: {
var_ref e(m);
SASSERT(r.m_args.size() == 1);
std::istringstream strm(r.m_name);
auto srt = parse_smt2_sort(ctx, strm, false, p, drat_file);
e = m.mk_var(r.m_args[0], srt);
exprs.reserve(r.m_node_id + 1);
exprs.set(r.m_node_id, e);
break;
}
@ -331,12 +369,26 @@ static void verify_smt(char const* drat_file, char const* smt_file) {
srt = pd->instantiate(ctx.pm(), sargs.size(), sargs.data());
else
srt = m.mk_uninterpreted_sort(name);
sorts.reserve(r.m_node_id+1);
sorts.reserve(r.m_node_id + 1);
sorts.set(r.m_node_id, srt);
break;
}
case dimacs::drat_record::tag_t::is_quantifier: {
quantifier_ref q(m);
std::istringstream strm(r.m_name);
auto sexpr = parse_sexpr(ctx, strm, p, drat_file);
sort_ref_vector domain(m);
svector<symbol> names;
quantifier_kind k;
checker.parse_quantifier(sexpr, ctx, k, domain, names);
sexpr->display(std::cout << "QQ ");
std::cout << "\n";
exprs.reserve(r.m_node_id + 1);
exprs.set(r.m_node_id, m.mk_true());
break;
}
case dimacs::drat_record::tag_t::is_bool_def:
bool_var2expr.reserve(r.m_node_id+1);
bool_var2expr.reserve(r.m_node_id + 1);
bool_var2expr.set(r.m_node_id, exprs.get(r.m_args[0]));
break;
default: