{"criteria": {"c1": "not_met", "c2": "not_met", "c3": "not_met", "c4": "not_met", "c5": "not_met"}, "note": "Only one-line assertions: no induction for the merge lemma, permutation is argued with sets (which loses duplicates) instead of multisets, termination just says the list gets shorter without covering both halves or base cases, and the merge sort induction is not carried out."}