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#5429

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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
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33
src/sat/smt/euf_proof.cpp
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@ -41,12 +41,32 @@ namespace euf {
for (expr* arg : *a)
get_drat().def_add_arg(arg->get_id());
get_drat().def_end();
m_drat_asts.insert(e);
push(insert_obj_trail<ast>(m_drat_asts, e));
}
else {
IF_VERBOSE(0, verbose_stream() << "logging binders is TBD\n");
else if (is_var(e)) {
var* v = to_var(e);
std::stringstream strm;
strm << mk_pp(e->get_sort(), m);
get_drat().def_begin('v', v->get_id(), strm.str());
get_drat().def_add_arg(v->get_idx());
get_drat().def_end();
}
else if (is_quantifier(e)) {
quantifier* q = to_quantifier(e);
std::stringstream strm;
strm << "(";
strm << (is_forall(q) ? "forall" : (is_exists(q) ? "exists" : "lambda"));
for (unsigned i = 0; i < q->get_num_decls(); ++i) {
strm << " (" << q->get_decl_name(i) << " " << mk_pp(q->get_decl_sort(i), m) << ")";
}
strm << ")";
get_drat().def_begin('q', q->get_id(), strm.str());
get_drat().def_add_arg(q->get_expr()->get_id());
get_drat().def_end();
}
else
UNREACHABLE();
m_drat_asts.insert(e);
push(insert_obj_trail<ast>(m_drat_asts, e));
}
void solver::drat_log_expr(expr* e) {
@ -61,6 +81,11 @@ namespace euf {
for (expr* arg : *to_app(e))
if (!m_drat_asts.contains(arg))
m_drat_todo.push_back(arg);
if (is_quantifier(e)) {
expr* arg = to_quantifier(e)->get_expr();
if (!m_drat_asts.contains(arg))
m_drat_todo.push_back(arg);
}
if (m_drat_todo.size() != sz)
continue;
drat_log_expr1(e);