bool process_mutex(ModelAction *curr);
bool process_thread_action(ModelAction *curr);
void process_relseq_fixup(ModelAction *curr, work_queue_t *work_queue);
bool process_mutex(ModelAction *curr);
bool process_thread_action(ModelAction *curr);
void process_relseq_fixup(ModelAction *curr, work_queue_t *work_queue);