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Avoid crashing on cancel

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This commit is contained in:
Arie Gurfinkel 2018-06-27 09:16:51 -04:00
parent f6dcc6fc72
commit 2b4d92821a
1 changed files with 1 additions and 1 deletions
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2
src/muz/spacer/spacer_context.cpp
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@ -1361,7 +1361,7 @@ lbool pred_transformer::is_reachable(pob& n, expr_ref_vector* core,
if (is_sat == l_true || is_sat == l_undef) {
if (core) { core->reset(); }
if (model) {
if (model && model->get()) {
r = find_rule(**model, is_concrete, reach_pred_used, num_reuse_reach);
TRACE ("spacer", tout << "reachable "
<< "is_concrete " << is_concrete << " rused: ";