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fix #5239

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-05-03 11:44:44 -07:00
parent 2c97799564
commit 60cf482cea
5 changed files with 18 additions and 6 deletions
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2
src/sat/smt/bv_internalize.cpp
View file

@ -570,7 +570,7 @@ namespace bv {
}
void solver::internalize_ac_binary(app* e, std::function<void(unsigned, expr* const*, expr* const*, expr_ref_vector&)>& fn) {
SASSERT(e->get_num_args() >= 2);
SASSERT(e->get_num_args() >= 1);
expr_ref_vector bits(m), new_bits(m), arg_bits(m);
unsigned i = e->get_num_args() - 1;
get_arg_bits(e, i, bits);

8
src/sat/smt/dt_solver.cpp
View file

@ -693,6 +693,10 @@ namespace dt {
void solver::add_value(euf::enode* n, model& mdl, expr_ref_vector& values) {
theory_var v = n->get_th_var(get_id());
if (v == euf::null_theory_var) {
values.set(n->get_root_id(), mdl.get_fresh_value(n->get_sort()));
return;
}
v = m_find.find(v);
SASSERT(v != euf::null_theory_var);
enode* con = m_var_data[v]->m_constructor;
@ -705,10 +709,10 @@ namespace dt {
bool solver::add_dep(euf::enode* n, top_sort<euf::enode>& dep) {
if (!is_datatype(n->get_expr()))
return true;
return false;
theory_var v = n->get_th_var(get_id());
if (v == euf::null_theory_var)
return true;
return false;
euf::enode* con = m_var_data[m_find.find(v)]->m_constructor;
if (con->num_args() == 0)
dep.insert(n, nullptr);

1
src/sat/smt/euf_model.cpp
View file

@ -208,6 +208,7 @@ namespace euf {
fi = alloc(func_interp, m, arity);
mdl->register_decl(f, fi);
}
TRACE("euf", tout << f->get_name() << "\n";);
args.reset();
for (enode* arg : enode_args(n))
args.push_back(m_values.get(arg->get_root_id()));