ModelAction * get_parent_action(thread_id_t tid);
ModelAction * get_last_seq_cst(const void *location);
void build_reads_from_past(ModelAction *curr);
ModelAction * get_parent_action(thread_id_t tid);
ModelAction * get_last_seq_cst(const void *location);
void build_reads_from_past(ModelAction *curr);