+uint64_t ModelHistory::query_last_read(void * location, thread_id_t tid)
+{
+ SnapVector<func_id_list_t> * thrd_func_list = model->get_execution()->get_thrd_func_list();
+ uint32_t id = id_to_int(tid);
+
+ ASSERT( thrd_func_list->size() > id );
+ uint32_t func_id = (*thrd_func_list)[id].back();
+ FuncNode * func_node = func_nodes[func_id];
+
+ uint64_t last_read_val = 0xdeadbeef;
+ if (func_node != NULL) {
+ last_read_val = func_node->query_last_read(location, tid);
+ }
+
+ return last_read_val;
+}
+
+void ModelHistory::add_to_write_history(void * location, uint64_t write_val)
+{
+ write_set_t * write_set = write_history.get(location);
+
+ if (write_set == NULL) {
+ write_set = new write_set_t();
+ write_history.put(location, write_set);
+ }
+
+ write_set->add(write_val);
+ write_locations.add(location);
+}
+
+void ModelHistory::print_write()
+{
+}
+
+void ModelHistory::print_func_node()