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fix #2640

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-16 20:40:03 -07:00
parent ca498e20d1
commit 4ce6b53d95
7 changed files with 190 additions and 150 deletions
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5
src/ast/seq_decl_plugin.cpp
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@ -913,6 +913,11 @@ app* seq_decl_plugin::mk_string(zstring const& s) {
}
bool seq_decl_plugin::is_considered_uninterpreted(func_decl * f) {
seq_util util(*m_manager);
return util.str.is_nth_u(f);
}
bool seq_decl_plugin::is_value(app* e) const {
while (true) {
if (is_app_of(e, m_family_id, OP_SEQ_EMPTY)) {