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fix #1940

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-11-15 09:21:03 -08:00
parent 727929c9af
commit 03bb5a085f
1 changed files with 1 additions and 1 deletions
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2
src/ast/seq_decl_plugin.cpp
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@ -899,7 +899,7 @@ bool seq_decl_plugin::are_distinct(app* a, app* b) const {
}
if (is_app_of(a, m_family_id, OP_SEQ_UNIT) &&
is_app_of(b, m_family_id, OP_SEQ_UNIT)) {
return true;
return m_manager->are_distinct(a->get_arg(0), b->get_arg(0));
}
if (is_app_of(a, m_family_id, OP_SEQ_EMPTY) &&
is_app_of(b, m_family_id, OP_SEQ_UNIT)) {