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Added unsat core support to the macro-finder.

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This commit is contained in:
Christoph M. Wintersteiger 2017-08-25 20:21:57 +01:00
parent 31496b6625
commit b8a81bcb09
11 changed files with 169 additions and 125 deletions
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12
src/tactic/ufbv/macro_finder_tactic.cpp
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@ -49,9 +49,9 @@ class macro_finder_tactic : public tactic {
SASSERT(g->is_well_sorted());
mc = 0; pc = 0; core = 0;
tactic_report report("macro-finder", *g);
fail_if_unsat_core_generation("macro-finder", g);
bool produce_proofs = g->proofs_enabled();
bool unsat_core_enabled = g->unsat_core_enabled();
simplifier simp(m_manager);
basic_simplifier_plugin * bsimp = alloc(basic_simplifier_plugin, m_manager);
@ -69,17 +69,21 @@ class macro_finder_tactic : public tactic {
expr_ref_vector forms(m_manager), new_forms(m_manager);
proof_ref_vector proofs(m_manager), new_proofs(m_manager);
unsigned size = g->size();
expr_dependency_ref_vector deps(m_manager), new_deps(m_manager);
unsigned size = g->size();
for (unsigned idx = 0; idx < size; idx++) {
forms.push_back(g->form(idx));
proofs.push_back(g->pr(idx));
deps.push_back(g->dep(idx));
}
mf(forms.size(), forms.c_ptr(), proofs.c_ptr(), new_forms, new_proofs);
mf(forms.size(), forms.c_ptr(), proofs.c_ptr(), deps.c_ptr(), new_forms, new_proofs, new_deps);
g->reset();
for (unsigned i = 0; i < new_forms.size(); i++)
g->assert_expr(new_forms.get(i), produce_proofs ? new_proofs.get(i) : 0, 0);
g->assert_expr(new_forms.get(i),
produce_proofs ? new_proofs.get(i) : 0,
unsat_core_enabled ? new_deps.get(i) : 0);
extension_model_converter * evmc = alloc(extension_model_converter, mm.get_manager());
unsigned num = mm.get_num_macros();

52
src/tactic/ufbv/quasi_macros_tactic.cpp
View file

@ -35,22 +35,22 @@ class quasi_macros_tactic : public tactic {
imp(ast_manager & m, params_ref const & p) : m_manager(m) {
updt_params(p);
}
ast_manager & m() const { return m_manager; }
void operator()(goal_ref const & g,
goal_ref_buffer & result,
model_converter_ref & mc,
void operator()(goal_ref const & g,
goal_ref_buffer & result,
model_converter_ref & mc,
proof_converter_ref & pc,
expr_dependency_ref & core) {
SASSERT(g->is_well_sorted());
mc = 0; pc = 0; core = 0;
tactic_report report("quasi-macros", *g);
fail_if_unsat_core_generation("quasi-macros", g);
bool produce_proofs = g->proofs_enabled();
bool produce_unsat_cores = g->unsat_core_enabled();
simplifier simp(m_manager);
basic_simplifier_plugin * bsimp = alloc(basic_simplifier_plugin, m_manager);
bsimp->set_eliminate_and(true);
@ -61,34 +61,40 @@ class quasi_macros_tactic : public tactic {
bv_simplifier_params bv_params;
bv_simplifier_plugin * bvsimp = alloc(bv_simplifier_plugin, m_manager, *bsimp, bv_params);
simp.register_plugin(bvsimp);
macro_manager mm(m_manager, simp);
quasi_macros qm(m_manager, mm, simp);
bool more = true;
expr_ref_vector forms(m_manager), new_forms(m_manager);
proof_ref_vector proofs(m_manager), new_proofs(m_manager);
expr_dependency_ref_vector deps(m_manager), new_deps(m_manager);
unsigned size = g->size();
for (unsigned i = 0; i < size; i++) {
forms.push_back(g->form(i));
proofs.push_back(g->pr(i));
deps.push_back(g->dep(i));
}
while (more) { // CMW: use repeat(...) ?
if (m().canceled())
throw tactic_exception(m().limit().get_cancel_msg());
new_forms.reset();
new_proofs.reset();
more = qm(forms.size(), forms.c_ptr(), proofs.c_ptr(), new_forms, new_proofs);
new_deps.reset();
more = qm(forms.size(), forms.c_ptr(), proofs.c_ptr(), deps.c_ptr(), new_forms, new_proofs, new_deps);
forms.swap(new_forms);
proofs.swap(new_proofs);
proofs.swap(new_proofs);
deps.swap(new_deps);
}
g->reset();
for (unsigned i = 0; i < new_forms.size(); i++)
g->assert_expr(new_forms.get(i), produce_proofs ? new_proofs.get(i) : 0, 0);
g->assert_expr(forms.get(i),
produce_proofs ? proofs.get(i) : 0,
produce_unsat_cores ? deps.get(i) : 0);
extension_model_converter * evmc = alloc(extension_model_converter, mm.get_manager());
unsigned num = mm.get_num_macros();
@ -108,7 +114,7 @@ class quasi_macros_tactic : public tactic {
void updt_params(params_ref const & p) {
}
};
imp * m_imp;
params_ref m_params;
@ -121,7 +127,7 @@ public:
virtual tactic * translate(ast_manager & m) {
return alloc(quasi_macros_tactic, m, m_params);
}
virtual ~quasi_macros_tactic() {
dealloc(m_imp);
}
@ -136,19 +142,19 @@ public:
insert_produce_models(r);
insert_produce_proofs(r);
}
virtual void operator()(goal_ref const & in,
goal_ref_buffer & result,
model_converter_ref & mc,
virtual void operator()(goal_ref const & in,
goal_ref_buffer & result,
model_converter_ref & mc,
proof_converter_ref & pc,
expr_dependency_ref & core) {
(*m_imp)(in, result, mc, pc, core);
}
virtual void cleanup() {
ast_manager & m = m_imp->m();
imp * d = alloc(imp, m, m_params);
std::swap(d, m_imp);
std::swap(d, m_imp);
dealloc(d);
}