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checked ite-expressions as shared for bounds detection

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-04-23 19:59:33 +02:00
parent 3ba2e712b2
commit ffc3a36dcb
4 changed files with 35 additions and 244 deletions
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6
src/smt/smt_context.cpp
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@ -3879,9 +3879,13 @@ namespace smt {
bool context::is_shared(enode * n) const {
n = n->get_root();
unsigned num_th_vars = n->get_num_th_vars();
if (m_manager.is_ite(n->get_owner())) {
return true;
}
switch (num_th_vars) {
case 0:
case 0: {
return false;
}
case 1: {
if (m_qmanager->is_shared(n))
return true;