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introduce fresh term when none is available in context or model to fix #2456

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-08-04 11:57:30 -07:00
parent 59f69bbe0d
commit 01920abf46
1 changed files with 2 additions and 2 deletions
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4
src/smt/smt_model_checker.cpp
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@ -81,8 +81,8 @@ namespace smt {
expr * model_checker::get_type_compatible_term(expr * val) { expr * model_checker::get_type_compatible_term(expr * val) {
for (auto const& kv : m_value2expr) { for (auto const& kv : m_value2expr) {
if (m.get_sort(kv.m_key) == m.get_sort(val) && if (m.get_sort(kv.m_key) == m.get_sort(val) &&
!contains_model_value(kv.m_key)) { !contains_model_value(kv.m_value)) {
return kv.m_key; return kv.m_value;
} }
} }
app* fresh_term = m.mk_fresh_const("sk", m.get_sort(val)); app* fresh_term = m.mk_fresh_const("sk", m.get_sort(val));