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fix #4493, use standard model evaluation for variables that have not been regiestered with solver (e.g., they are non-shared and unconstrained)

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-06-02 00:57:49 -07:00
parent 48f07932f7
commit 29ce22cfb1
1 changed files with 2 additions and 2 deletions
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4
src/smt/theory_lra.cpp
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@ -3389,7 +3389,7 @@ public:
if (t.is_term()) {
m_todo_terms.push_back(std::make_pair(t, rational::one()));
TRACE("nl_value", tout << t.to_string() << "\n";);
TRACE("nl_value", tout << "v" << v << " " << t.to_string() << "\n";);
TRACE("nl_value", tout << "v" << v << " := w" << t.to_string() << "\n";
lp().print_term(lp().get_term(t), tout) << "\n";);
@ -3427,7 +3427,7 @@ public:
model_value_proc * mk_value(enode * n, model_generator & mg) {
theory_var v = n->get_th_var(get_id());
expr* o = n->get_owner();
if (use_nra_model()) {
if (use_nra_model() && lp().external_to_local(v) != lp::null_lpvar) {
anum const& an = nl_value(v, *m_a1);
if (a.is_int(o) && !m_nla->am().is_int(an)) {
return alloc(expr_wrapper_proc, a.mk_numeral(rational::zero(), a.is_int(o)));