mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2026-03-18 11:04:09 +00:00
Code Activity

Replace dep_tracker uint_set with scoped_dependency_manager<dep_source> in seq_nielsen (#9014)

Browse source 
* Initial plan

* replace dep_tracker uint_set with scoped_dependency_manager<dep_source>

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* fix test build: update dep_tracker usages in test files and seq_state.h

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
This commit is contained in:
Copilot 2026-03-16 15:52:18 -07:00 • committed by GitHub
parent 39bf6af870
commit ef22ae8871
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
7 changed files with 184 additions and 142 deletions
Download patch file Download diff file Expand all files Collapse all files

16
src/smt/theory_nseq.cpp
View file

@ -453,17 +453,17 @@ namespace smt {
// -----------------------------------------------------------------------
void theory_nseq::deps_to_lits(seq::dep_tracker const& deps, enode_pair_vector& eqs, literal_vector& lits) {
unsigned num_input_eqs = m_nielsen.num_input_eqs();
for (unsigned b : deps) {
if (b < num_input_eqs) {
eq_source const& src = m_state.get_eq_source(b);
vector<seq::dep_source, false> vs;
m_nielsen.dep_mgr().linearize(deps, vs);
for (seq::dep_source const& d : vs) {
if (d.m_kind == seq::dep_source::kind::eq) {
eq_source const& src = m_state.get_eq_source(d.index);
if (src.m_n1->get_root() == src.m_n2->get_root())
eqs.push_back({src.m_n1, src.m_n2});
}
else {
unsigned mem_idx = b - num_input_eqs;
if (mem_idx < m_nielsen_to_state_mem.size()) {
unsigned state_mem_idx = m_nielsen_to_state_mem[mem_idx];
if (d.index < m_nielsen_to_state_mem.size()) {
unsigned state_mem_idx = m_nielsen_to_state_mem[d.index];
mem_source const& src = m_state.get_mem_source(state_mem_idx);
SASSERT(ctx.get_assignment(src.m_lit) == l_true);
lits.push_back(src.m_lit);
@ -481,7 +481,7 @@ namespace smt {
}
void theory_nseq::explain_nielsen_conflict() {
seq::dep_tracker deps;
seq::dep_tracker deps = m_nielsen.dep_mgr().mk_empty();
m_nielsen.collect_conflict_deps(deps);
add_conflict_clause(deps);
}