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fix #5674

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-11-18 21:14:50 -08:00
parent 4587575649
commit 518ef9f916
7 changed files with 31 additions and 1 deletions
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11
src/ast/seq_decl_plugin.cpp
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@ -705,6 +705,17 @@ bool seq_decl_plugin::is_value(app* e) const {
}
}
bool seq_decl_plugin::is_model_value(app* e) const {
if (is_app_of(e, m_family_id, OP_SEQ_EMPTY))
return true;
if (is_app_of(e, m_family_id, OP_STRING_CONST))
return true;
if (is_app_of(e, m_family_id, OP_SEQ_UNIT) &&
m_manager->is_value(e->get_arg(0)))
return true;
return false;
}
bool seq_decl_plugin::are_equal(app* a, app* b) const {
if (a == b) return true;
// handle concatenations