mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2026-05-29 13:26:29 +00:00
Code Activity

replace seq::le by generic expr_ref

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2026-05-16 23:10:44 -07:00
parent e72c082818
commit b75acc5c14
8 changed files with 184 additions and 201 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/smt/seq/seq_nielsen.cpp
View file

@ -45,7 +45,7 @@ NSB review:
namespace seq {
void deps_to_lits(dep_tracker deps, svector<enode_pair> &eqs, svector<sat::literal> &lits, vector<le>& les) {
void deps_to_lits(dep_tracker deps, svector<enode_pair> &eqs, svector<sat::literal> &lits, vector<expr_ref>& es) {
vector<dep_source> vs;
dep_manager::s_linearize(deps, vs);
for (dep_source const &d : vs) {
@ -54,7 +54,7 @@ namespace seq {
else if (std::holds_alternative<sat::literal>(d))
lits.push_back(std::get<sat::literal>(d));
else
les.push_back(std::get<le>(d));
es.push_back(std::get<expr_ref>(d));
}
}
@ -552,13 +552,12 @@ namespace seq {
void nielsen_graph::add_le_dependency(dep_tracker& dep, nielsen_node* n, expr* lhs, expr* rhs) {
SASSERT(lhs);
SASSERT(rhs);
expr_ref lhs_ref(lhs, m);
expr_ref rhs_ref(rhs, m);
expr_ref le(a.mk_le(lhs, rhs), m);
// just assume it to be correct
dep_tracker d = m_dep_mgr.mk_leaf(le{ lhs_ref, rhs_ref });
dep_tracker d = m_dep_mgr.mk_leaf(le);
// Just add the constraint - we do not have to recompute it
// [also it is on the set of side-conditions if we assert a satisfied node]
n->add_constraint(constraint(a.mk_le(lhs_ref, rhs_ref), d, m));
n->add_constraint(constraint(le, d, m));
dep = m_dep_mgr.mk_join(dep, d);
}
@ -4261,7 +4260,7 @@ namespace seq {
// NSB review: this is one of several methods exposed for testing
void nielsen_graph::test_aux_explain_conflict(svector<enode_pair>& eqs,
svector<sat::literal>& mem_literals,
vector<le>& les) const {
vector<expr_ref>& es) const {
SASSERT(m_root);
auto deps = collect_conflict_deps();
vector<dep_source> vs;
@ -4271,8 +4270,8 @@ namespace seq {
eqs.push_back(std::get<enode_pair>(d));
else if (std::holds_alternative<sat::literal>(d))
mem_literals.push_back(std::get<sat::literal>(d));
else if (std::holds_alternative<le>(d))
les.push_back(std::get<le>(d));
else if (std::holds_alternative<expr_ref>(d))
es.push_back(std::get<expr_ref>(d));
}
}