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fix #3863

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-08 18:34:15 -07:00
parent 6eebfd0629
commit 2673807a7f
2 changed files with 6 additions and 5 deletions
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9
src/muz/base/dl_rule_set.cpp
View file

@ -394,19 +394,18 @@ namespace datalog {
*/
bool rule_set::stratified_negation() {
ptr_vector<rule>::const_iterator it = m_rules.c_ptr();
ptr_vector<rule>::const_iterator end = m_rules.c_ptr()+m_rules.size();
ptr_vector<rule>::const_iterator end = m_rules.c_ptr() + m_rules.size();
for (; it != end; it++) {
rule * r = *it;
app * head = r->get_head();
func_decl * head_decl = head->get_decl();
func_decl * head_decl = r->get_decl();
unsigned n = r->get_uninterpreted_tail_size();
for (unsigned i = r->get_positive_tail_size(); i < n; i++) {
SASSERT(r->is_neg_tail(i));
func_decl * tail_decl = r->get_tail(i)->get_decl();
func_decl * tail_decl = r->get_decl(i);
unsigned neg_strat = get_predicate_strat(tail_decl);
unsigned head_strat = get_predicate_strat(head_decl);
SASSERT(head_strat>=neg_strat); //head strat can never be lower than that of a tail
SASSERT(head_strat >= neg_strat); // head strat can never be lower than that of a tail
if (head_strat == neg_strat) {
return false;
}

2
src/muz/fp/horn_tactic.cpp
View file

@ -358,6 +358,8 @@ class horn_tactic : public tactic {
not_supported("xform.instantiate_arrays");
if (p.xform_magic())
not_supported("xform.magic");
if (p.xform_quantify_arrays())
not_supported("xform.quantify_arrays");
}
void not_supported(char const* s) {