+/* Evaluate predicate expressions against the given inst_act_map */
+ConcretePredicate * Predicate::evaluate(inst_act_map_t * inst_act_map, thread_id_t tid)
+{
+ ConcretePredicate * concrete = new ConcretePredicate(tid);
+ PredExprSetIter * it = pred_expressions.iterator();
+
+ while (it->hasNext()) {
+ struct pred_expr * ptr = it->next();
+ uint64_t value = 0;
+
+ switch(ptr->token) {
+ case NOPREDICATE:
+ break;
+ case EQUALITY:
+ FuncInst * to_be_compared;
+ ModelAction * last_act;
+
+ to_be_compared = ptr->func_inst;
+ last_act = inst_act_map->get(to_be_compared);
+ value = last_act->get_reads_from_value();
+ break;
+ case NULLITY:
+ break;
+ default:
+ break;
+ }
+
+ concrete->add_expression(ptr->token, value, ptr->value);
+ }
+
+ return concrete;
+}
+
+void Predicate::incr_expl_count()
+{
+ exploration_count++;
+}
+
+void Predicate::incr_fail_count()
+{
+ failure_count++;
+}
+
+void Predicate::incr_sleep_score(uint32_t amount)
+{
+ if (sleep_score + amount > 100)
+ sleep_score = 100;
+ else
+ sleep_score += amount;
+}
+
+void Predicate::decr_sleep_score(uint32_t amount)
+{
+ if (sleep_score > amount)
+ sleep_score -= amount;
+ else
+ sleep_score = 0;
+}
+