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debugging nra

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-05-24 21:46:19 -07:00
parent b18dc7d052
commit 1086eaaa1f
7 changed files with 118 additions and 6 deletions
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1
src/smt/smt_model_generator.cpp
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@ -388,6 +388,7 @@ namespace smt {
enode * n = *it3;
if (is_uninterp_const(n->get_owner()) && m_context->is_relevant(n)) {
func_decl * d = n->get_owner()->get_decl();
TRACE("mg_top_sort", tout << d->get_name() << " " << (m_hidden_ufs.contains(d)?"hidden":"visible") << "\n";);
if (m_hidden_ufs.contains(d)) continue;
expr * val = get_value(n);
m_model->register_decl(d, val);

30
src/smt/theory_lra.cpp
View file

@ -425,8 +425,11 @@ namespace smt {
void internalize_mul(app* t, theory_var& v, rational& r) {
SASSERT(a.is_mul(t));
internalize_args(t);
mk_enode(t);
bool _has_var = has_var(t);
if (!_has_var) {
internalize_args(t);
mk_enode(t);
}
r = rational::one();
rational r1;
v = mk_var(t);
@ -451,7 +454,10 @@ namespace smt {
vars.push_back(get_var_index(mk_var(n)));
}
}
m_solver->add_monomial(get_var_index(v), vars);
TRACE("arith", tout << mk_pp(t, m) << "\n";);
if (!_has_var) {
m_solver->add_monomial(get_var_index(v), vars);
}
}
enode * mk_enode(app * n) {
@ -498,6 +504,14 @@ namespace smt {
return m_arith_params.m_arith_reflect || is_underspecified(n);
}
bool has_var(expr* n) {
if (!ctx().e_internalized(n)) {
return false;
}
enode* e = get_enode(n);
return th.is_attached_to_var(e);
}
theory_var mk_var(expr* n, bool internalize = true) {
if (!ctx().e_internalized(n)) {
ctx().internalize(n, false);
@ -2281,6 +2295,7 @@ namespace smt {
}
void set_conflict() {
m_explanation.clear();
m_solver->get_infeasibility_explanation(m_explanation);
set_conflict1();
}
@ -2289,7 +2304,6 @@ namespace smt {
m_eqs.reset();
m_core.reset();
m_params.reset();
m_explanation.clear();
// m_solver->shrink_explanation_to_minimum(m_explanation); // todo, enable when perf is fixed
/*
static unsigned cn = 0;
@ -2340,7 +2354,10 @@ namespace smt {
model_value_proc * mk_value(enode * n, model_generator & mg) {
theory_var v = n->get_th_var(get_id());
return alloc(expr_wrapper_proc, m_factory->mk_value(get_value(v), m.get_sort(n->get_owner())));
expr* o = n->get_owner();
rational r = get_value(v);
if (a.is_int(o) && !r.is_int()) r = floor(r);
return alloc(expr_wrapper_proc, m_factory->mk_value(r, m.get_sort(o)));
}
bool get_value(enode* n, expr_ref& r) {
@ -2366,6 +2383,7 @@ namespace smt {
if (dump_lemmas()) {
ctx().display_lemma_as_smt_problem(m_core.size(), m_core.c_ptr(), m_eqs.size(), m_eqs.c_ptr(), false_literal);
}
if (m_arith_params.m_arith_mode == AS_LRA) return true;
context nctx(m, ctx().get_fparams(), ctx().get_params());
add_background(nctx);
bool result = l_true != nctx.check();
@ -2378,6 +2396,7 @@ namespace smt {
if (dump_lemmas()) {
ctx().display_lemma_as_smt_problem(m_core.size(), m_core.c_ptr(), m_eqs.size(), m_eqs.c_ptr(), lit);
}
if (m_arith_params.m_arith_mode == AS_LRA) return true;
context nctx(m, ctx().get_fparams(), ctx().get_params());
m_core.push_back(~lit);
add_background(nctx);
@ -2389,6 +2408,7 @@ namespace smt {
}
bool validate_eq(enode* x, enode* y) {
if (m_arith_params.m_arith_mode == AS_LRA) return true;
context nctx(m, ctx().get_fparams(), ctx().get_params());
add_background(nctx);
nctx.assert_expr(m.mk_not(m.mk_eq(x->get_owner(), y->get_owner())));