+
+ // value_set_t * values_may_read_from;
+
+ /* Run-time position in the predicate tree for each thread
+ * The inner vector is used to deal with recursive functions. */
+ ModelVector< ModelVector<Predicate *> * > thrd_predicate_tree_position;
+
+ ModelVector< ModelVector<predicate_trace_t *> * > thrd_predicate_trace;
+
+ void init_predicate_tree_data_structure(thread_id_t tid);
+ void reset_predicate_tree_data_structure(thread_id_t tid);
+
+ /* Store the relation between this FuncNode and other FuncNodes */
+ HashTable<FuncNode *, edge_type_t, uintptr_t, 0, model_malloc, model_calloc, model_free> edge_table;
+
+ /* FuncNodes that follow this node */
+ ModelList<FuncNode *> out_edges;
+
+ void update_predicate_tree_weight(thread_id_t tid);