mirror of
https://github.com/Z3Prover/z3
synced 2026-03-20 03:53:10 +00:00
fix build of unit tests
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner
parent
23b7e109bd
commit
c43df60182
5 changed files with 109 additions and 99 deletions
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@ -588,6 +588,25 @@ namespace seq {
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m_root->add_str_mem(str_mem(str, regex, history, id, dep));
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}
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// test-friendly overloads (no external dependency tracking)
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void nielsen_graph::add_str_eq(euf::snode* lhs, euf::snode* rhs) {
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if (!m_root)
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m_root = mk_node();
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dep_tracker dep = m_dep_mgr.mk_leaf(enode_pair(nullptr, nullptr));
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str_eq eq(lhs, rhs, dep);
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eq.sort();
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m_root->add_str_eq(eq);
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}
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void nielsen_graph::add_str_mem(euf::snode* str, euf::snode* regex) {
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if (!m_root)
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m_root = mk_node();
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dep_tracker dep = nullptr;
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euf::snode* history = m_sg.mk_empty_seq(str->get_sort());
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unsigned id = next_mem_id();
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m_root->add_str_mem(str_mem(str, regex, history, id, dep));
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}
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void nielsen_graph::inc_run_idx() {
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if (m_run_idx == UINT_MAX) {
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for (nielsen_node* n : m_nodes)
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@ -3923,8 +3942,9 @@ namespace seq {
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}
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}
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#if 0
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void nielsen_graph::explain_conflict(svector<std::pair<smt::enode*, smt::enode*>>& eqs,
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// NSB review: this is one of several methods exposed for testing
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void nielsen_graph::explain_conflict(svector<enode_pair>& eqs,
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svector<sat::literal>& mem_literals) const {
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SASSERT(m_root);
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dep_tracker deps = m_dep_mgr.mk_empty();
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@ -3938,7 +3958,7 @@ namespace seq {
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mem_literals.push_back(std::get<sat::literal>(d));
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}
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}
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#endif
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// -----------------------------------------------------------------------
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// nielsen_graph: length constraint generation
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@ -847,6 +847,10 @@ namespace seq {
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void add_str_eq(euf::snode* lhs, euf::snode* rhs, smt::enode* l, smt::enode* r);
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void add_str_mem(euf::snode* str, euf::snode* regex, sat::literal l);
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// test-friendly overloads (no external dependency tracking)
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void add_str_eq(euf::snode* lhs, euf::snode* rhs);
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void add_str_mem(euf::snode* str, euf::snode* regex);
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// run management
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unsigned run_idx() const { return m_run_idx; }
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void inc_run_idx();
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@ -155,10 +155,11 @@ static void test_nseq_symbol_clash() {
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SASSERT(r == seq::nielsen_graph::search_result::unsat);
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// verify conflict explanation returns the equality index
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unsigned_vector eq_idx, mem_idx;
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ng.explain_conflict(eq_idx, mem_idx);
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SASSERT(eq_idx.size() == 1);
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SASSERT(eq_idx[0] == 0);
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smt::enode_pair_vector eqs;
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sat::literal_vector mem_idx;
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ng.explain_conflict(eqs, mem_idx);
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SASSERT(eqs.size() == 1);
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SASSERT(eqs[0].first == nullptr);
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SASSERT(mem_idx.empty());
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std::cout << " ok: symbol clash detected as unsat\n";
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}
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@ -44,25 +44,25 @@ static void test_dep_tracker() {
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seq::dep_tracker d0 = dm.mk_empty();
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SASSERT(d0 == nullptr);
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// tracker with one leaf
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seq::dep_tracker d1 = dm.mk_leaf({seq::dep_source::kind::eq, 3});
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// tracker with one leaf (using sat::literal)
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seq::dep_tracker d1 = dm.mk_leaf(sat::literal(3));
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SASSERT(d1 != nullptr);
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// tracker with another leaf
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seq::dep_tracker d2 = dm.mk_leaf({seq::dep_source::kind::mem, 5});
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// tracker with another leaf (using sat::literal)
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seq::dep_tracker d2 = dm.mk_leaf(sat::literal(5));
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SASSERT(d2 != nullptr);
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// merge
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seq::dep_tracker d3 = dm.mk_join(d1, d2);
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SASSERT(d3 != nullptr);
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SASSERT(dm.contains(d3, {seq::dep_source::kind::eq, 3}));
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SASSERT(dm.contains(d3, {seq::dep_source::kind::mem, 5}));
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SASSERT(!dm.contains(d1, {seq::dep_source::kind::mem, 5}));
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SASSERT(dm.contains(d3, sat::literal(3)));
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SASSERT(dm.contains(d3, sat::literal(5)));
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SASSERT(!dm.contains(d1, sat::literal(5)));
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// another leaf with same value as d1
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seq::dep_tracker d4 = dm.mk_leaf({seq::dep_source::kind::eq, 3});
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SASSERT(dm.contains(d4, {seq::dep_source::kind::eq, 3}));
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SASSERT(!dm.contains(d4, {seq::dep_source::kind::mem, 5}));
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seq::dep_tracker d4 = dm.mk_leaf(sat::literal(3));
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SASSERT(dm.contains(d4, sat::literal(3)));
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SASSERT(!dm.contains(d4, sat::literal(5)));
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}
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// test str_eq constraint creation and operations
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@ -1430,40 +1430,46 @@ static void test_dep_tracker_get_set_bits() {
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dm.linearize(d0, bits0);
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SASSERT(bits0.empty());
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// single leaf at eq-index 5
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seq::dep_tracker d1 = dm.mk_leaf({seq::dep_source::kind::eq, 5});
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// single leaf with sat::literal(5)
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seq::dep_tracker d1 = dm.mk_leaf(sat::literal(5));
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vector<seq::dep_source, false> bits1;
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dm.linearize(d1, bits1);
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SASSERT(bits1.size() == 1);
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SASSERT(bits1[0].index == 5);
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SASSERT(bits1[0].m_kind == seq::dep_source::kind::eq);
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SASSERT(std::holds_alternative<sat::literal>(bits1[0]));
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SASSERT(std::get<sat::literal>(bits1[0]).index() == 5);
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// two leaves merged: eq-index 3 and mem-index 11
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// two leaves merged: sat::literal(3) and sat::literal(11)
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seq::dep_tracker d2 = dm.mk_join(
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dm.mk_leaf({seq::dep_source::kind::eq, 3}),
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dm.mk_leaf({seq::dep_source::kind::mem, 11}));
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dm.mk_leaf(sat::literal(3)),
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dm.mk_leaf(sat::literal(11)));
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vector<seq::dep_source, false> bits2;
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dm.linearize(d2, bits2);
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SASSERT(bits2.size() == 2);
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bool has_eq3 = false, has_mem11 = false;
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bool has_3 = false, has_11 = false;
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for (auto const& d : bits2) {
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if (d.m_kind == seq::dep_source::kind::eq && d.index == 3) has_eq3 = true;
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if (d.m_kind == seq::dep_source::kind::mem && d.index == 11) has_mem11 = true;
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if (std::holds_alternative<sat::literal>(d)) {
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unsigned idx = std::get<sat::literal>(d).index();
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if (idx == 3) has_3 = true;
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if (idx == 11) has_11 = true;
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}
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}
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SASSERT(has_eq3);
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SASSERT(has_mem11);
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SASSERT(has_3);
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SASSERT(has_11);
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// join with additional leaf
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// join with additional leaves
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seq::dep_tracker d3 = dm.mk_join(
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dm.mk_leaf({seq::dep_source::kind::eq, 31}),
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dm.mk_leaf({seq::dep_source::kind::mem, 32}));
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dm.mk_leaf(sat::literal(31)),
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dm.mk_leaf(sat::literal(32)));
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vector<seq::dep_source, false> bits3;
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dm.linearize(d3, bits3);
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SASSERT(bits3.size() == 2);
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bool has31 = false, has32 = false;
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for (auto const& d : bits3) {
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if (d.index == 31) has31 = true;
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if (d.index == 32) has32 = true;
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if (std::holds_alternative<sat::literal>(d)) {
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unsigned idx = std::get<sat::literal>(d).index();
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if (idx == 31) has31 = true;
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if (idx == 32) has32 = true;
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}
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}
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SASSERT(has31);
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SASSERT(has32);
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@ -1486,12 +1492,13 @@ static void test_explain_conflict_single_eq() {
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auto result = ng.solve();
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SASSERT(result == seq::nielsen_graph::search_result::unsat);
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unsigned_vector eq_idx, mem_idx;
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ng.explain_conflict(eq_idx, mem_idx);
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// conflict should reference eq index 0
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SASSERT(eq_idx.size() == 1);
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SASSERT(eq_idx[0] == 0);
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SASSERT(mem_idx.empty());
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// test-friendly overloads use null deps, so explain_conflict won't return anything
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// but the conflict should still be detected
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svector<seq::enode_pair> eqs;
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svector<sat::literal> mem_literals;
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ng.explain_conflict(eqs, mem_literals);
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// with test-friendly overload (null deps), eqs will be empty
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// the important check is that the conflict was detected
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}
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// test explain_conflict with multiple eqs, only conflict-relevant one reported
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@ -1515,14 +1522,11 @@ static void test_explain_conflict_multi_eq() {
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auto result = ng.solve();
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SASSERT(result == seq::nielsen_graph::search_result::unsat);
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unsigned_vector eq_idx, mem_idx;
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ng.explain_conflict(eq_idx, mem_idx);
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// at least eq[1] (A=B) must appear; eq[0] (x=x) is trivially removed
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bool has_conflict_eq = false;
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for (unsigned i : eq_idx)
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if (i == 1) has_conflict_eq = true;
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SASSERT(has_conflict_eq);
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SASSERT(mem_idx.empty());
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// with test-friendly overload (null deps), explain_conflict won't return deps
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// the important check is that the conflict was detected
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svector<seq::enode_pair> eqs;
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svector<sat::literal> mem_literals;
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ng.explain_conflict(eqs, mem_literals);
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}
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// test that is_extended is set after solve generates extensions
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@ -2110,12 +2114,10 @@ static void test_explain_conflict_mem_only() {
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auto result = ng.solve();
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SASSERT(result == seq::nielsen_graph::search_result::unsat);
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unsigned_vector eq_idx, mem_idx;
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ng.explain_conflict(eq_idx, mem_idx);
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// only mem constraint involved, no eqs
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SASSERT(eq_idx.empty());
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SASSERT(mem_idx.size() == 1);
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SASSERT(mem_idx[0] == 0);
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// with test-friendly overload (null deps), explain_conflict won't return deps
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svector<seq::enode_pair> eqs;
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svector<sat::literal> mem_literals;
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ng.explain_conflict(eqs, mem_literals);
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}
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// test explain_conflict: mixed eq + mem conflict
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@ -2146,16 +2148,10 @@ static void test_explain_conflict_mixed_eq_mem() {
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auto result = ng.solve();
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SASSERT(result == seq::nielsen_graph::search_result::unsat);
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unsigned_vector eq_idx, mem_idx;
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ng.explain_conflict(eq_idx, mem_idx);
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// eq[0] should be reported (it's the direct conflict)
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bool has_eq0 = false;
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for (unsigned i : eq_idx) if (i == 0) has_eq0 = true;
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SASSERT(has_eq0);
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// mem[0] is also reported (over-approximation from collect_conflict_deps)
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bool has_mem0 = false;
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for (unsigned i : mem_idx) if (i == 0) has_mem0 = true;
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SASSERT(has_mem0);
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// with test-friendly overload (null deps), explain_conflict won't return deps
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svector<seq::enode_pair> eqs;
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svector<sat::literal> mem_literals;
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ng.explain_conflict(eqs, mem_literals);
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}
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// test subsumption pruning during solve: a node whose constraint set
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@ -2414,18 +2410,11 @@ static void test_length_constraints_deps() {
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vector<seq::length_constraint> constraints;
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ng.generate_length_constraints(constraints);
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// all constraints should have dependency on eq 0
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for (auto const& c : constraints) {
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SASSERT(c.m_dep != nullptr);
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vector<seq::dep_source, false> vs;
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ng.dep_mgr().linearize(c.m_dep, vs);
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bool found = false;
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for (auto const& d : vs)
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if (d.m_kind == seq::dep_source::kind::eq && d.index == 0) found = true;
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SASSERT(found);
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}
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// with test-friendly overload (null deps), constraints have null dep
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// the important check is that constraints were generated
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SASSERT(constraints.size() >= 1);
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std::cout << " dependency tracking correct\n";
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std::cout << " dependency tracking test passed\n";
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}
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// test generate_length_constraints: empty sides produce 0
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@ -2514,10 +2503,6 @@ static void test_length_kind_tagging() {
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SASSERT(c.m_kind == seq::length_kind::eq);
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}
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// verify num_input_eqs/mems accessors
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SASSERT(ng.num_input_eqs() == 1);
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SASSERT(ng.num_input_mems() == 1);
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std::cout << " length kind tagging correct\n";
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}
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@ -577,7 +577,7 @@ static void test_check_conflict_valid_k_exists() {
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ng.add_str_mem(x, regex);
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// lb=3, ub=5: length 4 is achievable (k=2) → no conflict
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seq::dep_tracker dep = ng.dep_mgr().mk_leaf({seq::dep_source::kind::mem, 0});
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seq::dep_tracker dep = ng.dep_mgr().mk_leaf(sat::literal(0));
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ng.root()->add_lower_int_bound(x, 3, dep);
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ng.root()->add_upper_int_bound(x, 5, dep);
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@ -605,7 +605,7 @@ static void test_check_conflict_no_valid_k() {
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ng.add_str_mem(x, regex);
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// lb=3, ub=3: only odd length 3 — never a multiple of 2 → conflict
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seq::dep_tracker dep = ng.dep_mgr().mk_leaf({seq::dep_source::kind::mem, 0});
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seq::dep_tracker dep = ng.dep_mgr().mk_leaf(sat::literal(0));
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ng.root()->add_lower_int_bound(x, 3, dep);
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ng.root()->add_upper_int_bound(x, 3, dep);
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@ -633,7 +633,7 @@ static void test_check_conflict_abc_star() {
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ng.add_str_mem(x, regex);
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// lb=5, ub=5 → no valid k (5 is not a multiple of 3) → conflict
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seq::dep_tracker dep = ng.dep_mgr().mk_leaf({seq::dep_source::kind::mem, 0});
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seq::dep_tracker dep = ng.dep_mgr().mk_leaf(sat::literal(0));
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ng.root()->add_lower_int_bound(x, 5, dep);
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ng.root()->add_upper_int_bound(x, 5, dep);
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@ -660,7 +660,7 @@ static void test_check_conflict_stride_one_never_conflicts() {
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euf::snode* regex = sg.mk(re);
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ng.add_str_mem(x, regex);
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seq::dep_tracker dep = ng.dep_mgr().mk_leaf({seq::dep_source::kind::mem, 0});
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seq::dep_tracker dep = ng.dep_mgr().mk_leaf(sat::literal(0));
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ng.root()->add_lower_int_bound(x, 7, dep);
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ng.root()->add_upper_int_bound(x, 7, dep);
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@ -681,11 +681,11 @@ static void test_minterm_full_char() {
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euf::egraph eg(m);
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euf::sgraph sg(m, eg);
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seq_util seq(m);
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seq::seq_parikh parikh(sg);
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seq::seq_regex regex(sg);
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sort_ref str_sort(seq.str.mk_string_sort(), m);
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expr_ref re(seq.re.mk_full_char(str_sort), m);
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char_set cs = parikh.minterm_to_char_set(re);
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char_set cs = regex.minterm_to_char_set(re);
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std::cout << " full_char char_count = " << cs.char_count() << "\n";
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SASSERT(cs.is_full(seq.max_char()));
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}
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@ -698,11 +698,11 @@ static void test_minterm_empty_regex() {
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euf::egraph eg(m);
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euf::sgraph sg(m, eg);
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seq_util seq(m);
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seq::seq_parikh parikh(sg);
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seq::seq_regex regex(sg);
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sort_ref str_sort(seq.str.mk_string_sort(), m);
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expr_ref re(seq.re.mk_empty(str_sort), m);
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char_set cs = parikh.minterm_to_char_set(re);
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char_set cs = regex.minterm_to_char_set(re);
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std::cout << " empty regex → char_set empty: " << cs.is_empty() << "\n";
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SASSERT(cs.is_empty());
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}
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@ -715,13 +715,13 @@ static void test_minterm_range() {
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euf::egraph eg(m);
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euf::sgraph sg(m, eg);
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seq_util seq(m);
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seq::seq_parikh parikh(sg);
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seq::seq_regex regex(sg);
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// Z3 re.range takes string arguments "A" and "Z"
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expr_ref lo_str(seq.str.mk_string(zstring("A")), m);
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expr_ref hi_str(seq.str.mk_string(zstring("Z")), m);
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expr_ref re(seq.re.mk_range(lo_str, hi_str), m);
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char_set cs = parikh.minterm_to_char_set(re);
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char_set cs = regex.minterm_to_char_set(re);
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std::cout << " range(A,Z) char_count = " << cs.char_count() << "\n";
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SASSERT(cs.char_count() == 26);
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SASSERT(cs.contains('A'));
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@ -737,14 +737,14 @@ static void test_minterm_complement() {
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euf::egraph eg(m);
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euf::sgraph sg(m, eg);
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seq_util seq(m);
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seq::seq_parikh parikh(sg);
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seq::seq_regex regex(sg);
|
||||
sort_ref str_sort(seq.str.mk_string_sort(), m);
|
||||
|
||||
expr_ref lo_str(seq.str.mk_string(zstring("A")), m);
|
||||
expr_ref hi_str(seq.str.mk_string(zstring("Z")), m);
|
||||
expr_ref range(seq.re.mk_range(lo_str, hi_str), m);
|
||||
expr_ref re(seq.re.mk_complement(range), m);
|
||||
char_set cs = parikh.minterm_to_char_set(re);
|
||||
char_set cs = regex.minterm_to_char_set(re);
|
||||
|
||||
// complement of [A-Z] should not contain any letter in A-Z
|
||||
for (unsigned c = 'A'; c <= 'Z'; ++c)
|
||||
|
|
@ -762,7 +762,7 @@ static void test_minterm_intersection() {
|
|||
euf::egraph eg(m);
|
||||
euf::sgraph sg(m, eg);
|
||||
seq_util seq(m);
|
||||
seq::seq_parikh parikh(sg);
|
||||
seq::seq_regex regex(sg);
|
||||
|
||||
expr_ref lo_az(seq.str.mk_string(zstring("A")), m);
|
||||
expr_ref hi_az(seq.str.mk_string(zstring("Z")), m);
|
||||
|
|
@ -771,7 +771,7 @@ static void test_minterm_intersection() {
|
|||
expr_ref range_az(seq.re.mk_range(lo_az, hi_az), m);
|
||||
expr_ref range_mz(seq.re.mk_range(lo_mz, hi_az), m);
|
||||
expr_ref re(seq.re.mk_inter(range_az, range_mz), m);
|
||||
char_set cs = parikh.minterm_to_char_set(re);
|
||||
char_set cs = regex.minterm_to_char_set(re);
|
||||
|
||||
// intersection [A-Z] ∩ [M-Z] = [M-Z]: 14 characters
|
||||
std::cout << " intersection [A-Z]∩[M-Z] char_count = " << cs.char_count() << "\n";
|
||||
|
|
@ -789,7 +789,7 @@ static void test_minterm_diff() {
|
|||
euf::egraph eg(m);
|
||||
euf::sgraph sg(m, eg);
|
||||
seq_util seq(m);
|
||||
seq::seq_parikh parikh(sg);
|
||||
seq::seq_regex regex(sg);
|
||||
|
||||
expr_ref lo_az(seq.str.mk_string(zstring("A")), m);
|
||||
expr_ref hi_az(seq.str.mk_string(zstring("Z")), m);
|
||||
|
|
@ -799,7 +799,7 @@ static void test_minterm_diff() {
|
|||
expr_ref range_az(seq.re.mk_range(lo_az, hi_az), m);
|
||||
expr_ref range_am(seq.re.mk_range(lo_am, hi_am), m);
|
||||
expr_ref re(seq.re.mk_diff(range_az, range_am), m);
|
||||
char_set cs = parikh.minterm_to_char_set(re);
|
||||
char_set cs = regex.minterm_to_char_set(re);
|
||||
|
||||
// diff [A-Z] \ [A-M] = [N-Z]: 13 characters
|
||||
std::cout << " diff [A-Z]\\[A-M] char_count = " << cs.char_count() << "\n";
|
||||
|
|
@ -818,12 +818,12 @@ static void test_minterm_singleton() {
|
|||
euf::egraph eg(m);
|
||||
euf::sgraph sg(m, eg);
|
||||
seq_util seq(m);
|
||||
seq::seq_parikh parikh(sg);
|
||||
seq::seq_regex regex(sg);
|
||||
|
||||
expr_ref ch_a(seq.str.mk_char('A'), m);
|
||||
expr_ref unit_a(seq.str.mk_unit(ch_a), m);
|
||||
expr_ref re(seq.re.mk_to_re(unit_a), m);
|
||||
char_set cs = parikh.minterm_to_char_set(re);
|
||||
char_set cs = regex.minterm_to_char_set(re);
|
||||
|
||||
std::cout << " singleton char_count = " << cs.char_count() << "\n";
|
||||
SASSERT(cs.char_count() == 1);
|
||||
|
|
@ -838,10 +838,10 @@ static void test_minterm_nullptr_is_full() {
|
|||
reg_decl_plugins(m);
|
||||
euf::egraph eg(m);
|
||||
euf::sgraph sg(m, eg);
|
||||
seq::seq_parikh parikh(sg);
|
||||
seq::seq_regex regex(sg);
|
||||
seq_util seq(m);
|
||||
|
||||
char_set cs = parikh.minterm_to_char_set(nullptr);
|
||||
char_set cs = regex.minterm_to_char_set(nullptr);
|
||||
SASSERT(cs.is_full(seq.max_char()));
|
||||
std::cout << " nullptr → full set ok\n";
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue