Thread * take_step(ModelAction *curr);
- void check_recency(ModelAction *curr, const ModelAction *rf);
+ bool check_recency(ModelAction *curr, const ModelAction *rf) const;
ModelAction * get_last_fence_conflict(ModelAction *act) const;
ModelAction * get_last_conflict(ModelAction *act) const;
void set_backtracking(ModelAction *act);