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porting bv-sls

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This commit is contained in:
Nikolaj Bjorner 2024-07-08 13:16:28 -07:00
parent e7104ebb93
commit ef54feec3d
18 changed files with 264 additions and 811 deletions
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112
src/tactic/sls/sls_tactic.cpp
View file

@ -124,116 +124,11 @@ public:
};
class bv_sls_tactic : public tactic {
ast_manager& m;
params_ref m_params;
bv::sls* m_sls;
statistics m_st;
public:
bv_sls_tactic(ast_manager& _m, params_ref const& p) :
m(_m),
m_params(p) {
m_sls = alloc(bv::sls, m, p);
}
tactic* translate(ast_manager& m) override {
return alloc(bv_sls_tactic, m, m_params);
}
~bv_sls_tactic() override {
dealloc(m_sls);
}
char const* name() const override { return "bv-sls"; }
void updt_params(params_ref const& p) override {
m_params.append(p);
m_sls->updt_params(m_params);
}
void collect_param_descrs(param_descrs& r) override {
sls_params::collect_param_descrs(r);
}
void run(goal_ref const& g, model_converter_ref& mc) {
if (g->inconsistent()) {
mc = nullptr;
return;
}
for (unsigned i = 0; i < g->size(); i++)
m_sls->assert_expr(g->form(i));
m_sls->init();
std::function<bool(expr*, unsigned)> false_eval = [&](expr* e, unsigned idx) {
return false;
};
m_sls->init_eval(false_eval);
lbool res = m_sls->operator()();
m_st.reset();
m_sls->collect_statistics(m_st);
report_tactic_progress("Number of flips:", m_sls->get_num_moves());
IF_VERBOSE(10, verbose_stream() << res << "\n");
IF_VERBOSE(10, m_sls->display(verbose_stream()));
if (res == l_true) {
if (g->models_enabled()) {
model_ref mdl = m_sls->get_model();
mc = model2model_converter(mdl.get());
TRACE("sls_model", mc->display(tout););
}
g->reset();
}
else
mc = nullptr;
}
void operator()(goal_ref const& g,
goal_ref_buffer& result) override {
result.reset();
TRACE("sls", g->display(tout););
tactic_report report("sls", *g);
model_converter_ref mc;
run(g, mc);
g->add(mc.get());
g->inc_depth();
result.push_back(g.get());
}
void cleanup() override {
auto* d = alloc(bv::sls, m, m_params);
std::swap(d, m_sls);
dealloc(d);
}
void collect_statistics(statistics& st) const override {
st.copy(m_st);
}
void reset_statistics() override {
m_sls->reset_statistics();
m_st.reset();
}
};
static tactic * mk_sls_tactic(ast_manager & m, params_ref const & p) {
return and_then(fail_if_not(mk_is_qfbv_probe()), // Currently only QF_BV is supported.
clean(alloc(sls_tactic, m, p)));
}
tactic* mk_bv_sls_tactic(ast_manager& m, params_ref const& p) {
return and_then(fail_if_not(mk_is_qfbv_probe()), // Currently only QF_BV is supported.
clean(alloc(bv_sls_tactic, m, p)));
}
static tactic * mk_preamble(ast_manager & m, params_ref const & p) {
params_ref simp2_p = p;
@ -268,10 +163,3 @@ tactic * mk_qfbv_sls_tactic(ast_manager & m, params_ref const & p) {
return t;
}
tactic* mk_qfbv_new_sls_tactic(ast_manager& m, params_ref const& p) {
params_ref q = p;
q.set_bool("elim_sign_ext", false);
tactic* t = and_then(mk_preamble(m, q), mk_bv_sls_tactic(m, q));
t->updt_params(q);
return t;
}

8
src/tactic/sls/sls_tactic.h
View file

@ -24,16 +24,8 @@ class tactic;
tactic * mk_qfbv_sls_tactic(ast_manager & m, params_ref const & p = params_ref());
tactic* mk_qfbv_new_sls_tactic(ast_manager& m, params_ref const& p = params_ref());
tactic* mk_bv_sls_tactic(ast_manager& m, params_ref const& p = params_ref());
/*
ADD_TACTIC("qfbv-sls", "(try to) solve using stochastic local search for QF_BV.", "mk_qfbv_sls_tactic(m, p)")
ADD_TACTIC("qfbv-new-sls", "(try to) solve using stochastic local search for QF_BV.", "mk_qfbv_new_sls_tactic(m, p)")
ADD_TACTIC("qfbv-new-sls-core", "(try to) solve using stochastic local search for QF_BV.", "mk_bv_sls_tactic(m, p)")
*/