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fix seg-fault bugs reported by Arie

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-11-22 15:51:47 -08:00
parent d27997aa1b
commit 141236e975
6 changed files with 16 additions and 10 deletions
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2
src/muz_qe/qe_lite.cpp
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@ -342,8 +342,6 @@ class der2 {
void flatten_args(quantifier* q, unsigned& num_args, expr*const*& args) {
expr * e = q->get_expr();
num_args = 1;
args = &e;
if ((q->is_forall() && m.is_or(e)) ||
(q->is_exists() && m.is_and(e))) {
num_args = to_app(e)->get_num_args();