+ HashTable<int, Thread *, int> *thread_map;
+
+ /** Per-object list of actions. Maps an object (i.e., memory location)
+ * to a trace of all actions performed on the object. */
+ HashTable<const void *, action_list_t, uintptr_t, 4> *obj_map;
+
+ /** Per-object list of actions. Maps an object (i.e., memory location)
+ * to a trace of all actions performed on the object. */
+ HashTable<const void *, action_list_t, uintptr_t, 4> *lock_waiters_map;
+
+ HashTable<void *, std::vector<action_list_t>, uintptr_t, 4 > *obj_thrd_map;
+ std::vector< Promise *, SnapshotAlloc<Promise *> > *promises;
+ std::vector< struct PendingFutureValue, SnapshotAlloc<struct PendingFutureValue> > *futurevalues;
+
+ /**
+ * List of pending release sequences. Release sequences might be
+ * determined lazily as promises are fulfilled and modification orders
+ * are established. Each entry in the list may only be partially
+ * filled, depending on its pending status.
+ */
+ std::vector< struct release_seq *, SnapshotAlloc<struct release_seq *> > *pending_rel_seqs;
+
+ std::vector< ModelAction *, SnapshotAlloc<ModelAction *> > *thrd_last_action;
+ NodeStack *node_stack;
+
+ /** Private data members that should be snapshotted. They are grouped
+ * together for efficiency and maintainability. */
+ struct model_snapshot_members *priv;
+
+ /** A special model-checker Thread; used for associating with
+ * model-checker-related ModelAcitons */
+ Thread *model_thread;
+
+ /**
+ * @brief The modification order graph
+ *
+ * A directed acyclic graph recording observations of the modification
+ * order on all the atomic objects in the system. This graph should
+ * never contain any cycles, as that represents a violation of the
+ * memory model (total ordering). This graph really consists of many
+ * disjoint (unconnected) subgraphs, each graph corresponding to a
+ * separate ordering on a distinct object.
+ *
+ * The edges in this graph represent the "ordered before" relation,
+ * such that <tt>a --> b</tt> means <tt>a</tt> was ordered before
+ * <tt>b</tt>.
+ */
+ CycleGraph *mo_graph;
+ bool failed_promise;
+ bool too_many_reads;
+ bool asserted;
+ /** @brief Incorrectly-ordered synchronization was made */
+ bool bad_synchronization;