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ensure there are enough variables

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2012-11-25 16:53:13 -08:00
parent 93ad91d2f9
commit 008fc648c1
1 changed files with 4 additions and 1 deletions
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5
src/muz_qe/dl_context.cpp
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@ -338,7 +338,7 @@ namespace datalog {
expr_ref context::bind_variables(expr* fml, bool is_forall) { expr_ref context::bind_variables(expr* fml, bool is_forall) {
expr_ref result(m); expr_ref result(m);
app_ref_vector const& vars = m_vars; app_ref_vector & vars = m_vars;
if (vars.empty()) { if (vars.empty()) {
result = fml; result = fml;
} }
@ -352,6 +352,9 @@ namespace datalog {
else { else {
svector<symbol> names; svector<symbol> names;
for (unsigned i = 0; i < sorts.size(); ++i) { for (unsigned i = 0; i < sorts.size(); ++i) {
if (vars.size() == i) {
vars.push_back(m.mk_fresh_const("x", m.mk_bool_sort()));
}
if (!sorts[i]) { if (!sorts[i]) {
sorts[i] = vars[i]->get_decl()->get_range(); sorts[i] = vars[i]->get_decl()->get_range();
} }