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block selected configurations from HORN tactic

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-07 19:14:01 -07:00
parent 35f184a6b9
commit 6e7e53e25c
2 changed files with 36 additions and 16 deletions

View file

@ -819,15 +819,15 @@ namespace datalog {
aci.domain=head_sig[i];
expr * exp = h->get_arg(i);
if(is_var(exp)) {
unsigned var_num=to_var(exp)->get_idx();
int2ints::entry * e = var_indexes.find_core(var_num);
if(e) {
unsigned_vector & binding_indexes = e->get_data().m_value;
aci.kind=ACK_BOUND_VAR;
aci.source_column=binding_indexes.back();
SASSERT(aci.source_column<single_res_expr.size()); //we bind only to existing columns
if(binding_indexes.size()>1) {
if (is_var(exp)) {
unsigned var_num = to_var(exp)->get_idx();
int2ints::entry* e = var_indexes.find_core(var_num);
if (e) {
unsigned_vector& binding_indexes = e->get_data().m_value;
aci.kind = ACK_BOUND_VAR;
aci.source_column = binding_indexes.back();
SASSERT(aci.source_column < single_res_expr.size()); //we bind only to existing columns
if (binding_indexes.size() > 1) {
//if possible, we do not want multiple head columns
//point to a single column in the intermediate table,
//since then we would have to duplicate the column
@ -836,13 +836,14 @@ namespace datalog {
}
}
else {
aci.kind=ACK_UNBOUND_VAR;
aci.var_index=var_num;
aci.kind = ACK_UNBOUND_VAR;
aci.var_index = var_num;
}
}
else {
SASSERT(is_app(exp));
SASSERT(m_context.get_decl_util().is_numeral_ext(exp));
if (!m_context.get_decl_util().is_numeral_ext(exp))
throw default_exception("could not process non-numeral in Datalog engine");
aci.kind=ACK_CONSTANT;
aci.constant=to_app(exp);
}