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add recfun rewriting, remove quantifier based recfun

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This commit is contained in:
Nikolaj Bjorner 2020-04-26 12:59:51 -07:00
parent 7f1b147cba
commit f9193809ea
13 changed files with 94 additions and 143 deletions
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9
src/smt/smt_quantifier.cpp
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@ -625,9 +625,6 @@ namespace smt {
if (!m_fparams->m_ematching) {
return;
}
if (false && m.is_rec_fun_def(q) && mbqi_enabled(q)) {
return;
}
bool has_unary_pattern = false;
unsigned num_patterns = q->get_num_patterns();
for (unsigned i = 0; i < num_patterns; i++) {
@ -644,11 +641,7 @@ namespace smt {
app * mp = to_app(q->get_pattern(i));
SASSERT(m.is_pattern(mp));
bool unary = (mp->get_num_args() == 1);
if (m.is_rec_fun_def(q) && i > 0) {
// add only the first pattern
TRACE("quantifier", tout << "skip recursive function body " << mk_ismt2_pp(mp, m) << "\n";);
}
else if (!unary && j >= num_eager_multi_patterns) {
if (!unary && j >= num_eager_multi_patterns) {
TRACE("quantifier", tout << "delaying (too many multipatterns):\n" << mk_ismt2_pp(mp, m) << "\n"
<< "j: " << j << " unary: " << unary << " m_params.m_qi_max_eager_multipatterns: " << m_fparams->m_qi_max_eager_multipatterns
<< " num_eager_multi_patterns: " << num_eager_multi_patterns << "\n";);