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make get_vars populate all indices with sorts even if variable does not occur in rule. This makes the use of get_vars less prone to callers having to double check for null pointers

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-07-21 17:12:39 +02:00
parent 72fe197bda
commit 4957e71408
8 changed files with 16 additions and 21 deletions
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6
src/muz/transforms/dl_mk_coalesce.cpp
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@ -62,7 +62,7 @@ namespace datalog {
rule_ref r(const_cast<rule*>(&rl), rm);
ptr_vector<sort> sorts;
expr_ref_vector revsub(m), conjs(m);
rl.get_vars(sorts);
rl.get_vars(m, sorts);
revsub.resize(sorts.size());
svector<bool> valid(sorts.size(), true);
for (unsigned i = 0; i < sub.size(); ++i) {
@ -117,8 +117,8 @@ namespace datalog {
rule_ref res(rm);
bool_rewriter bwr(m);
svector<bool> is_neg;
tgt->get_vars(sorts1);
src.get_vars(sorts2);
tgt->get_vars(m, sorts1);
src.get_vars(m, sorts2);
mk_pred(head, src.get_head(), tgt->get_head());
for (unsigned i = 0; i < src.get_uninterpreted_tail_size(); ++i) {