void create_cv(const ModelAction *parent = NULL);
ClockVector * get_cv() const { return cv; }
void read_from(const ModelAction *act);
+ void synchronize_with(const ModelAction *act);
+ bool has_synchronized_with(const ModelAction *act) const;
bool happens_before(const ModelAction *act) const;
inline bool operator <(const ModelAction& act) const {