mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2026-04-24 12:53:32 +00:00
Code Activity

Create dummy sat-node to avoid problems in case the preprocessor solves the problem entirely

Browse source
This commit is contained in:
CEisenhofer 2026-03-19 16:02:51 +01:00
parent 9f4e823c8b
commit 51f3996464
3 changed files with 32 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

16
src/smt/seq/seq_nielsen.cpp
View file

@ -573,8 +573,8 @@ namespace seq {
}
void nielsen_graph::add_str_eq(euf::snode* lhs, euf::snode* rhs, smt::enode* l, smt::enode* r) {
if (!m_root)
m_root = mk_node();
if (!root())
create_root();
dep_tracker dep = m_dep_mgr.mk_leaf(enode_pair(l, r));
str_eq eq(lhs, rhs, dep);
eq.sort();
@ -582,8 +582,8 @@ namespace seq {
}
void nielsen_graph::add_str_mem(euf::snode* str, euf::snode* regex, sat::literal l) {
if (!m_root)
m_root = mk_node();
if (!root())
create_root();
dep_tracker dep = m_dep_mgr.mk_leaf(l);
euf::snode* history = m_sg.mk_empty_seq(str->get_sort());
unsigned id = next_mem_id();
@ -592,8 +592,8 @@ namespace seq {
// test-friendly overloads (no external dependency tracking)
void nielsen_graph::add_str_eq(euf::snode* lhs, euf::snode* rhs) {
if (!m_root)
m_root = mk_node();
if (root())
create_root();
dep_tracker dep = m_dep_mgr.mk_leaf(enode_pair(nullptr, nullptr));
str_eq eq(lhs, rhs, dep);
eq.sort();
@ -601,8 +601,8 @@ namespace seq {
}
void nielsen_graph::add_str_mem(euf::snode* str, euf::snode* regex) {
if (!m_root)
m_root = mk_node();
if (!root())
create_root();
dep_tracker dep = nullptr;
euf::snode* history = m_sg.mk_empty_seq(str->get_sort());
unsigned id = next_mem_id();