+ uint64_t val = it->next();
+ add_to_val_loc_map(val, loc);
+ }
+}
+
+void FuncNode::update_loc_may_equal_map(void * new_loc, loc_set_t * old_locations)
+{
+ if ( old_locations->contains(new_loc) )
+ return;
+
+ loc_set_t * neighbors = loc_may_equal_map->get(new_loc);
+
+ if (neighbors == NULL) {
+ neighbors = new loc_set_t();
+ loc_may_equal_map->put(new_loc, neighbors);
+ }
+
+ loc_set_iter * loc_it = old_locations->iterator();
+ while (loc_it->hasNext()) {
+ // new_loc: { old_locations, ... }
+ void * member = loc_it->next();
+ neighbors->add(member);
+
+ // for each i in old_locations, i : { new_loc, ... }
+ loc_set_t * _neighbors = loc_may_equal_map->get(member);
+ if (_neighbors == NULL) {
+ _neighbors = new loc_set_t();
+ loc_may_equal_map->put(member, _neighbors);
+ }
+ _neighbors->add(new_loc);
+ }
+}
+
+/* Every time a thread enters a function, set its position to the predicate tree entry */
+void FuncNode::init_predicate_tree_position(thread_id_t tid)
+{
+ int thread_id = id_to_int(tid);
+ if (predicate_tree_position.size() <= (uint) thread_id)
+ predicate_tree_position.resize(thread_id + 1);
+
+ predicate_tree_position[thread_id] = predicate_tree_entry;
+}
+
+void FuncNode::set_predicate_tree_position(thread_id_t tid, Predicate * pred)
+{
+ int thread_id = id_to_int(tid);
+ predicate_tree_position[thread_id] = pred;
+}
+
+/* @return The position of a thread in a predicate tree */
+Predicate * FuncNode::get_predicate_tree_position(thread_id_t tid)
+{
+ int thread_id = id_to_int(tid);
+ return predicate_tree_position[thread_id];
+}
+
+/* Make sure elements of thrd_inst_act_map are initialized properly when threads enter functions */
+void FuncNode::init_inst_act_map(thread_id_t tid)
+{
+ int thread_id = id_to_int(tid);
+ SnapVector<inst_act_map_t *> * thrd_inst_act_map = history->getThrdInstActMap(func_id);
+ uint old_size = thrd_inst_act_map->size();
+
+ if (thrd_inst_act_map->size() <= (uint) thread_id) {
+ uint new_size = thread_id + 1;
+ thrd_inst_act_map->resize(new_size);
+
+ for (uint i = old_size; i < new_size; i++)
+ (*thrd_inst_act_map)[i] = new inst_act_map_t(128);
+ }
+}
+
+/* Reset elements of thrd_inst_act_map when threads exit functions */
+void FuncNode::reset_inst_act_map(thread_id_t tid)
+{
+ int thread_id = id_to_int(tid);
+ SnapVector<inst_act_map_t *> * thrd_inst_act_map = history->getThrdInstActMap(func_id);
+
+ inst_act_map_t * map = (*thrd_inst_act_map)[thread_id];
+ map->reset();
+}
+
+void FuncNode::update_inst_act_map(thread_id_t tid, ModelAction * read_act)
+{
+ int thread_id = id_to_int(tid);
+ SnapVector<inst_act_map_t *> * thrd_inst_act_map = history->getThrdInstActMap(func_id);
+
+ inst_act_map_t * map = (*thrd_inst_act_map)[thread_id];
+ FuncInst * read_inst = get_inst(read_act);
+ map->put(read_inst, read_act);
+}
+
+inst_act_map_t * FuncNode::get_inst_act_map(thread_id_t tid)
+{
+ int thread_id = id_to_int(tid);
+ SnapVector<inst_act_map_t *> * thrd_inst_act_map = history->getThrdInstActMap(func_id);
+
+ return (*thrd_inst_act_map)[thread_id];
+}
+
+/* Add FuncNodes that this node may follow */
+void FuncNode::add_out_edge(FuncNode * other)
+{
+ if ( !edge_table.contains(other) ) {
+ edge_table.put(other, OUT_EDGE);
+ out_edges.push_back(other);
+ return;
+ }
+
+ edge_type_t edge = edge_table.get(other);
+ if (edge == IN_EDGE) {
+ edge_table.put(other, BI_EDGE);
+ out_edges.push_back(other);