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arrays (#4684)

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* arrays

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* arrays

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* arrays

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fill

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* update drat and fix euf bugs

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* const qualifiers

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* reorg ba

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* reorg

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* build warnings

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-09-13 19:29:59 -07:00 • committed by GitHub
parent d56dd1db7b
commit 796e2fd9eb
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79 changed files with 2571 additions and 1850 deletions
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19
src/ast/euf/euf_enode.cpp
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@ -31,7 +31,8 @@ namespace euf {
VERIFY(found_root);
VERIFY(found_this);
VERIFY(this != m_root || class_size == m_class_size);
if (this == m_root) {
if (is_root()) {
VERIFY(!m_target);
for (enode* p : enode_parents(this)) {
bool found = false;
for (enode* arg : enode_args(p)) {
@ -69,8 +70,24 @@ namespace euf {
return true;
}
bool enode::acyclic() const {
enode const* n = this;
enode const* p = this;
while (n) {
n = n->m_target;
if (n) {
p = p->m_target;
n = n->m_target;
}
if (n == p)
return false;
}
return true;
}
bool enode::reaches(enode* n) const {
enode const* r = this;
SASSERT(acyclic());
while (r) {
if (r == n)
return true;