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fix #2777

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This commit is contained in:
Nikolaj Bjorner 2019-12-03 13:53:59 +01:00
parent b35ec49b40
commit 7f61d08496
5 changed files with 27 additions and 23 deletions
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35
src/smt/theory_diff_logic_def.h
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@ -66,6 +66,7 @@ void theory_diff_logic<Ext>::nc_functor::reset() {
template<typename Ext>
void theory_diff_logic<Ext>::init(context * ctx) {
theory::init(ctx);
init_zero();
}
@ -192,10 +193,10 @@ bool theory_diff_logic<Ext>::internalize_atom(app * n, bool gate_ctx) {
found_non_diff_logic_expr(n);
return false;
}
SASSERT(m_signs.size() == m_terms.size());
SASSERT(m_signs.size() == m_terms.size());
if (m_terms.size() == 2 && m_signs[0] != m_signs[1]) {
app* a = m_terms.get(0), *b = m_terms.get(1);
bool sign0 = m_signs[0];
app* a = m_terms.get(0), *b = m_terms.get(1);
bool sign0 = m_signs[0];
target = mk_var(a);
source = mk_var(b);
if (!sign0) {
@ -212,7 +213,7 @@ bool theory_diff_logic<Ext>::internalize_atom(app * n, bool gate_ctx) {
k.neg();
}
if (ctx.b_internalized(n)) return true;
if (ctx.b_internalized(n)) return true;
bv = ctx.mk_bool_var(n);
ctx.set_var_theory(bv, get_id());
literal l(bv);
@ -318,7 +319,7 @@ void theory_diff_logic<Ext>::collect_statistics(::statistics & st) const {
template<typename Ext>
void theory_diff_logic<Ext>::push_scope_eh() {
TRACE("arith", tout << "push\n";);
theory::push_scope_eh();
m_graph.push();
m_scopes.push_back(scope());
@ -330,6 +331,7 @@ void theory_diff_logic<Ext>::push_scope_eh() {
template<typename Ext>
void theory_diff_logic<Ext>::pop_scope_eh(unsigned num_scopes) {
TRACE("arith", tout << "pop " << num_scopes << "\n";);
unsigned lvl = m_scopes.size();
SASSERT(num_scopes <= lvl);
unsigned new_lvl = lvl - num_scopes;
@ -803,9 +805,9 @@ theory_var theory_diff_logic<Ext>::mk_var(app* n) {
context & ctx = get_context();
enode* e = nullptr;
theory_var v = null_theory_var;
if (!ctx.e_internalized(n)) {
ctx.internalize(n, false);
}
if (!ctx.e_internalized(n)) {
ctx.internalize(n, false);
}
e = ctx.get_enode(n);
v = e->get_th_var(get_id());
@ -1154,9 +1156,9 @@ void theory_diff_logic<Ext>::update_simplex(Simplex& S) {
// add objective function as row.
coeffs.reset();
vars.reset();
for (unsigned i = 0; i < objective.size(); ++i) {
coeffs.push_back(objective[i].second.to_mpq());
vars.push_back(node2simplex(objective[i].first));
for (auto const& o : objective) {
coeffs.push_back(o.second.to_mpq());
vars.push_back(node2simplex(o.first));
}
coeffs.push_back(mpq(1));
vars.push_back(w);
@ -1169,11 +1171,11 @@ template<typename Ext>
typename theory_diff_logic<Ext>::inf_eps theory_diff_logic<Ext>::value(theory_var v) {
objective_term const& objective = m_objectives[v];
inf_eps r = inf_eps(m_objective_consts[v]);
for (unsigned i = 0; i < objective.size(); ++i) {
for (auto const& o : objective) {
numeral n = m_graph.get_assignment(v);
rational r1 = n.get_rational().to_rational();
rational r2 = n.get_infinitesimal().to_rational();
r += objective[i].second * inf_eps(rational(0), inf_rational(r1, r2));
r += o.second * inf_eps(rational(0), inf_rational(r1, r2));
}
return r;
}
@ -1190,9 +1192,9 @@ theory_diff_logic<Ext>::maximize(theory_var v, expr_ref& blocker, bool& has_shar
TRACE("arith",
objective_term const& objective = m_objectives[v];
for (unsigned i = 0; i < objective.size(); ++i) {
tout << "Coefficient " << objective[i].second
<< " of theory_var " << objective[i].first << "\n";
for (auto const& o : objective) {
tout << "Coefficient " << o.second
<< " of theory_var " << o.first << "\n";
}
tout << "Free coefficient " << m_objective_consts[v] << "\n";
);
@ -1385,6 +1387,7 @@ theory* theory_diff_logic<Ext>::mk_fresh(context* new_ctx) {
template<typename Ext>
void theory_diff_logic<Ext>::init_zero() {
if (m_izero != null_theory_var) return;
TRACE("arith", tout << "init zero\n";);
context & ctx = get_context();
app* zero;
enode* e;