{"abstract":"Slow movers occupy slots with ergonomic score exactly 8 that are reserved for fast movers.","category":"Warehouse slotting and bin packing","checks":8,"contract":"skus [[sku, weekly_picks, kg]], slots [[slot, level 1-5, ergonomic_score]]. Process SKUs by picks desc then sku. Each takes the best free eligible slot by score desc, level asc, slot id. Items over 20 kg may not be above level 2. Slots scoring 8+ are reserved for SKUs with at least 50 picks. No eligible slot -> None. Return [[sku, slot]] sorted by sku.","evaluation_group":"w2-warehouse-slotting-golden-zone","failed_approach":"Tightening the pick threshold to more than 50 wrongly excludes SKUs with exactly 50 picks from reserved slots.","family":"w2-warehouse-slotting-golden-zone-fast-mover-reservation","id":"FA-94876","implementations":{"attempt":{"sha256":"9d7dae422b3dae904c5ee0985ca465cf5855bc168e556a0c925ddf389e2bb0dd","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(skus, slots):\n    order = sorted(skus, key=lambda r: (-r[1], r[0]))\n    used = set()\n    out = {}\n    for sku, picks, kg in order:\n        best = None\n        for s in sorted(slots, key=lambda s: (-s[2], s[1], s[0])):\n            sid, lvl, score = s\n            if sid in used:\n                continue\n            if kg > 20 and lvl > 2:\n                continue\n            if score >= 8 and picks <= 50:\n                continue\n            best = sid\n            break\n        if best is not None:\n            used.add(best)\n        out[sku] = best\n    return [[k, out[k]] for k in sorted(out)]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['generated mix 5', [[['K0', 10, 15], ['K1', 80, 2], ['K2', 49, 21], ['K3', 50, 15]], [['L0', 1, 5], ['L1', 4, 8], ['L2', 4, 9], ['L3', 1, 6], ['L4', 4, 8], ['L5', 2, 3]]], [['K0', 'L0'], ['K1', 'L2'], ['K2', 'L3'], ['K3', 'L1']]], ['heavy on level 2 ok', [[['h', 60, 25]], [['a', 3, 9], ['b', 2, 7]]], [['h', 'b']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['two skus compete', [[['a', 90, 1], ['b', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['exactly 20 kg is not heavy', [[['e', 5, 20]], [['t', 4, 7], ['u', 1, 3]]], [['e', 't']]], ['reservation at 50 picks', [[['f', 50, 5], ['s', 49, 5]], [['g', 2, 8], ['n', 1, 6]]], [['f', 'g'], ['s', 'n']]], ['generated mix 7', [[['K0', 51, 15], ['K1', 80, 30], ['K2', 10, 21]], [['L0', 1, 8], ['L1', 2, 3]]], [['K0', 'L1'], ['K1', 'L0'], ['K2', None]]], ['generated mix 15', [[['K0', 120, 21], ['K1', 0, 30], ['K2', 0, 21], ['K3', 80, 15], ['K4', 50, 2], ['K5', 80, 30]], [['L0', 5, 8], ['L1', 1, 3], ['L2', 3, 8], ['L3', 3, 6], ['L4', 2, 6], ['L5', 3, 10]]], [['K0', 'L4'], ['K1', None], ['K2', None], ['K3', 'L5'], ['K4', 'L2'], ['K5', 'L1']]]], [['generated mix 59', [[['K0', 0, 21], ['K1', 51, 20], ['K2', 120, 15]], [['L0', 2, 8], ['L1', 5, 10], ['L2', 4, 5], ['L3', 3, 9], ['L4', 3, 5], ['L5', 3, 8]]], [['K0', None], ['K1', 'L3'], ['K2', 'L1']]], ['generated mix 24', [[['K0', 50, 30], ['K1', 10, 30], ['K2', 10, 21]], [['L0', 2, 3], ['L1', 4, 10], ['L2', 4, 6], ['L3', 1, 10], ['L4', 4, 3], ['L5', 2, 5], ['L6', 4, 9]]], [['K0', 'L3'], ['K1', 'L5'], ['K2', 'L0']]], ['no eligible slot', [[['w', 5, 40]], [['a', 4, 5]]], [['w', None]]], ['tie in feed order', [[['b', 90, 1], ['a', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['heavy on level 2 ok', [[['h', 60, 25]], [['a', 3, 9], ['b', 2, 7]]], [['h', 'b']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['generated mix 9', [[['K0', 50, 20], ['K1', 50, 30], ['K2', 0, 21], ['K3', 10, 20], ['K4', 10, 20], ['K5', 51, 2]], [['L0', 3, 9], ['L1', 4, 6], ['L2', 2, 3]]], [['K0', 'L1'], ['K1', 'L2'], ['K2', None], ['K3', None], ['K4', None], ['K5', 'L0']]], ['generated mix 17', [[['K0', 50, 30]], [['L0', 3, 3], ['L1', 2, 5], ['L2', 2, 10], ['L3', 2, 10], ['L4', 3, 10]]], [['K0', 'L2']]]], [['generated mix 27', [[['K0', 49, 2], ['K1', 120, 2], ['K2', 80, 21]], [['L0', 4, 8], ['L1', 1, 8], ['L2', 3, 9], ['L3', 5, 6], ['L4', 5, 5]]], [['K0', 'L3'], ['K1', 'L2'], ['K2', 'L1']]], ['generated mix 37', [[['K0', 49, 2], ['K1', 0, 20], ['K2', 50, 20], ['K3', 120, 21], ['K4', 10, 30]], [['L0', 4, 6], ['L1', 3, 5], ['L2', 2, 8], ['L3', 1, 8]]], [['K0', 'L0'], ['K1', 'L1'], ['K2', 'L2'], ['K3', 'L3'], ['K4', None]]], ['exactly 20 kg is not heavy', [[['e', 5, 20]], [['t', 4, 7], ['u', 1, 3]]], [['e', 't']]], ['reservation at 50 picks', [[['f', 50, 5], ['s', 49, 5]], [['g', 2, 8], ['n', 1, 6]]], [['f', 'g'], ['s', 'n']]], ['no eligible slot', [[['w', 5, 40]], [['a', 4, 5]]], [['w', None]]], ['tie in feed order', [[['b', 90, 1], ['a', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['generated mix 20', [[['K0', 50, 15]], [['L0', 4, 3], ['L1', 3, 10], ['L2', 4, 8], ['L3', 5, 9]]], [['K0', 'L1']]], ['generated mix 29', [[['K0', 50, 20]], [['L0', 4, 3], ['L1', 4, 10], ['L2', 5, 6]]], [['K0', 'L1']]]], [['generated mix 69', [[['K0', 50, 30], ['K1', 49, 2], ['K2', 51, 30], ['K3', 0, 15]], [['L0', 4, 8], ['L1', 5, 5], ['L2', 1, 3], ['L3', 4, 3]]], [['K0', None], ['K1', 'L1'], ['K2', 'L2'], ['K3', 'L3']]], ['generated mix 58', [[['K0', 10, 30], ['K1', 50, 15], ['K2', 80, 30], ['K3', 120, 15]], [['L0', 4, 8], ['L1', 2, 8], ['L2', 4, 8], ['L3', 2, 3]]], [['K0', None], ['K1', 'L0'], ['K2', 'L3'], ['K3', 'L1']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['two skus compete', [[['a', 90, 1], ['b', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['exactly 20 kg is not heavy', [[['e', 5, 20]], [['t', 4, 7], ['u', 1, 3]]], [['e', 't']]], ['reservation at 50 picks', [[['f', 50, 5], ['s', 49, 5]], [['g', 2, 8], ['n', 1, 6]]], [['f', 'g'], ['s', 'n']]], ['generated mix 31', [[['K0', 0, 21], ['K1', 10, 21], ['K2', 80, 2], ['K3', 0, 21], ['K4', 80, 2]], [['L0', 2, 5], ['L1', 4, 6], ['L2', 4, 3], ['L3', 2, 3], ['L4', 3, 8]]], [['K0', 'L3'], ['K1', 'L0'], ['K2', 'L4'], ['K3', None], ['K4', 'L1']]], ['generated mix 39', [[['K0', 0, 2], ['K1', 80, 15]], [['L0', 5, 8], ['L1', 1, 5], ['L2', 5, 8], ['L3', 1, 9], ['L4', 5, 9]]], [['K0', 'L1'], ['K1', 'L3']]]], [['generated mix 40', [[['K0', 49, 20], ['K1', 50, 21], ['K2', 51, 15], ['K3', 10, 15]], [['L0', 2, 10], ['L1', 4, 8], ['L2', 1, 5], ['L3', 5, 10], ['L4', 2, 10], ['L5', 1, 9], ['L6', 4, 6]]], [['K0', 'L6'], ['K1', 'L4'], ['K2', 'L0'], ['K3', 'L2']]], ['generated mix 77', [[['K0', 50, 2]], [['L0', 5, 3], ['L1', 5, 5], ['L2', 5, 8], ['L3', 4, 9], ['L4', 4, 5], ['L5', 1, 10], ['L6', 5, 8]]], [['K0', 'L5']]], ['tie in feed order', [[['b', 90, 1], ['a', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['heavy on level 2 ok', [[['h', 60, 25]], [['a', 3, 9], ['b', 2, 7]]], [['h', 'b']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['two skus compete', [[['a', 90, 1], ['b', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['generated mix 43', [[['K0', 120, 21], ['K1', 49, 21], ['K2', 80, 21], ['K3', 49, 21], ['K4', 80, 30]], [['L0', 2, 5], ['L1', 4, 9], ['L2', 5, 3], ['L3', 2, 5], ['L4', 2, 3], ['L5', 1, 9], ['L6', 1, 8]]], [['K0', 'L5'], ['K1', 'L3'], ['K2', 'L6'], ['K3', 'L4'], ['K4', 'L0']]], ['generated mix 51', [[['K0', 0, 21], ['K1', 80, 2], ['K2', 10, 20], ['K3', 80, 20]], [['L0', 5, 9], ['L1', 5, 9], ['L2', 1, 8], ['L3', 2, 3], ['L4', 1, 9], ['L5', 4, 8], ['L6', 4, 9]]], [['K0', None], ['K1', 'L4'], ['K2', 'L3'], ['K3', 'L6']]]]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"a9ebb9db4cbc6df1b1ec140e9f6abb35bd3ab0932f675b9d78b9166e18107db5","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(skus, slots):\n    order = sorted(skus, key=lambda r: (-r[1], r[0]))\n    used = set()\n    out = {}\n    for sku, picks, kg in order:\n        best = None\n        for s in sorted(slots, key=lambda s: (-s[2], s[1], s[0])):\n            sid, lvl, score = s\n            if sid in used:\n                continue\n            if kg > 20 and lvl > 2:\n                continue\n            if score > 8 and picks < 50:\n                continue\n            best = sid\n            break\n        if best is not None:\n            used.add(best)\n        out[sku] = best\n    return [[k, out[k]] for k in sorted(out)]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['generated mix 5', [[['K0', 10, 15], ['K1', 80, 2], ['K2', 49, 21], ['K3', 50, 15]], [['L0', 1, 5], ['L1', 4, 8], ['L2', 4, 9], ['L3', 1, 6], ['L4', 4, 8], ['L5', 2, 3]]], [['K0', 'L0'], ['K1', 'L2'], ['K2', 'L3'], ['K3', 'L1']]], ['heavy on level 2 ok', [[['h', 60, 25]], [['a', 3, 9], ['b', 2, 7]]], [['h', 'b']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['two skus compete', [[['a', 90, 1], ['b', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['exactly 20 kg is not heavy', [[['e', 5, 20]], [['t', 4, 7], ['u', 1, 3]]], [['e', 't']]], ['reservation at 50 picks', [[['f', 50, 5], ['s', 49, 5]], [['g', 2, 8], ['n', 1, 6]]], [['f', 'g'], ['s', 'n']]], ['generated mix 7', [[['K0', 51, 15], ['K1', 80, 30], ['K2', 10, 21]], [['L0', 1, 8], ['L1', 2, 3]]], [['K0', 'L1'], ['K1', 'L0'], ['K2', None]]], ['generated mix 15', [[['K0', 120, 21], ['K1', 0, 30], ['K2', 0, 21], ['K3', 80, 15], ['K4', 50, 2], ['K5', 80, 30]], [['L0', 5, 8], ['L1', 1, 3], ['L2', 3, 8], ['L3', 3, 6], ['L4', 2, 6], ['L5', 3, 10]]], [['K0', 'L4'], ['K1', None], ['K2', None], ['K3', 'L5'], ['K4', 'L2'], ['K5', 'L1']]]], [['generated mix 59', [[['K0', 0, 21], ['K1', 51, 20], ['K2', 120, 15]], [['L0', 2, 8], ['L1', 5, 10], ['L2', 4, 5], ['L3', 3, 9], ['L4', 3, 5], ['L5', 3, 8]]], [['K0', None], ['K1', 'L3'], ['K2', 'L1']]], ['generated mix 24', [[['K0', 50, 30], ['K1', 10, 30], ['K2', 10, 21]], [['L0', 2, 3], ['L1', 4, 10], ['L2', 4, 6], ['L3', 1, 10], ['L4', 4, 3], ['L5', 2, 5], ['L6', 4, 9]]], [['K0', 'L3'], ['K1', 'L5'], ['K2', 'L0']]], ['no eligible slot', [[['w', 5, 40]], [['a', 4, 5]]], [['w', None]]], ['tie in feed order', [[['b', 90, 1], ['a', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['heavy on level 2 ok', [[['h', 60, 25]], [['a', 3, 9], ['b', 2, 7]]], [['h', 'b']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['generated mix 9', [[['K0', 50, 20], ['K1', 50, 30], ['K2', 0, 21], ['K3', 10, 20], ['K4', 10, 20], ['K5', 51, 2]], [['L0', 3, 9], ['L1', 4, 6], ['L2', 2, 3]]], [['K0', 'L1'], ['K1', 'L2'], ['K2', None], ['K3', None], ['K4', None], ['K5', 'L0']]], ['generated mix 17', [[['K0', 50, 30]], [['L0', 3, 3], ['L1', 2, 5], ['L2', 2, 10], ['L3', 2, 10], ['L4', 3, 10]]], [['K0', 'L2']]]], [['generated mix 27', [[['K0', 49, 2], ['K1', 120, 2], ['K2', 80, 21]], [['L0', 4, 8], ['L1', 1, 8], ['L2', 3, 9], ['L3', 5, 6], ['L4', 5, 5]]], [['K0', 'L3'], ['K1', 'L2'], ['K2', 'L1']]], ['generated mix 37', [[['K0', 49, 2], ['K1', 0, 20], ['K2', 50, 20], ['K3', 120, 21], ['K4', 10, 30]], [['L0', 4, 6], ['L1', 3, 5], ['L2', 2, 8], ['L3', 1, 8]]], [['K0', 'L0'], ['K1', 'L1'], ['K2', 'L2'], ['K3', 'L3'], ['K4', None]]], ['exactly 20 kg is not heavy', [[['e', 5, 20]], [['t', 4, 7], ['u', 1, 3]]], [['e', 't']]], ['reservation at 50 picks', [[['f', 50, 5], ['s', 49, 5]], [['g', 2, 8], ['n', 1, 6]]], [['f', 'g'], ['s', 'n']]], ['no eligible slot', [[['w', 5, 40]], [['a', 4, 5]]], [['w', None]]], ['tie in feed order', [[['b', 90, 1], ['a', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['generated mix 20', [[['K0', 50, 15]], [['L0', 4, 3], ['L1', 3, 10], ['L2', 4, 8], ['L3', 5, 9]]], [['K0', 'L1']]], ['generated mix 29', [[['K0', 50, 20]], [['L0', 4, 3], ['L1', 4, 10], ['L2', 5, 6]]], [['K0', 'L1']]]], [['generated mix 69', [[['K0', 50, 30], ['K1', 49, 2], ['K2', 51, 30], ['K3', 0, 15]], [['L0', 4, 8], ['L1', 5, 5], ['L2', 1, 3], ['L3', 4, 3]]], [['K0', None], ['K1', 'L1'], ['K2', 'L2'], ['K3', 'L3']]], ['generated mix 58', [[['K0', 10, 30], ['K1', 50, 15], ['K2', 80, 30], ['K3', 120, 15]], [['L0', 4, 8], ['L1', 2, 8], ['L2', 4, 8], ['L3', 2, 3]]], [['K0', None], ['K1', 'L0'], ['K2', 'L3'], ['K3', 'L1']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['two skus compete', [[['a', 90, 1], ['b', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['exactly 20 kg is not heavy', [[['e', 5, 20]], [['t', 4, 7], ['u', 1, 3]]], [['e', 't']]], ['reservation at 50 picks', [[['f', 50, 5], ['s', 49, 5]], [['g', 2, 8], ['n', 1, 6]]], [['f', 'g'], ['s', 'n']]], ['generated mix 31', [[['K0', 0, 21], ['K1', 10, 21], ['K2', 80, 2], ['K3', 0, 21], ['K4', 80, 2]], [['L0', 2, 5], ['L1', 4, 6], ['L2', 4, 3], ['L3', 2, 3], ['L4', 3, 8]]], [['K0', 'L3'], ['K1', 'L0'], ['K2', 'L4'], ['K3', None], ['K4', 'L1']]], ['generated mix 39', [[['K0', 0, 2], ['K1', 80, 15]], [['L0', 5, 8], ['L1', 1, 5], ['L2', 5, 8], ['L3', 1, 9], ['L4', 5, 9]]], [['K0', 'L1'], ['K1', 'L3']]]], [['generated mix 40', [[['K0', 49, 20], ['K1', 50, 21], ['K2', 51, 15], ['K3', 10, 15]], [['L0', 2, 10], ['L1', 4, 8], ['L2', 1, 5], ['L3', 5, 10], ['L4', 2, 10], ['L5', 1, 9], ['L6', 4, 6]]], [['K0', 'L6'], ['K1', 'L4'], ['K2', 'L0'], ['K3', 'L2']]], ['generated mix 77', [[['K0', 50, 2]], [['L0', 5, 3], ['L1', 5, 5], ['L2', 5, 8], ['L3', 4, 9], ['L4', 4, 5], ['L5', 1, 10], ['L6', 5, 8]]], [['K0', 'L5']]], ['tie in feed order', [[['b', 90, 1], ['a', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['heavy on level 2 ok', [[['h', 60, 25]], [['a', 3, 9], ['b', 2, 7]]], [['h', 'b']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['two skus compete', [[['a', 90, 1], ['b', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['generated mix 43', [[['K0', 120, 21], ['K1', 49, 21], ['K2', 80, 21], ['K3', 49, 21], ['K4', 80, 30]], [['L0', 2, 5], ['L1', 4, 9], ['L2', 5, 3], ['L3', 2, 5], ['L4', 2, 3], ['L5', 1, 9], ['L6', 1, 8]]], [['K0', 'L5'], ['K1', 'L3'], ['K2', 'L6'], ['K3', 'L4'], ['K4', 'L0']]], ['generated mix 51', [[['K0', 0, 21], ['K1', 80, 2], ['K2', 10, 20], ['K3', 80, 20]], [['L0', 5, 9], ['L1', 5, 9], ['L2', 1, 8], ['L3', 2, 3], ['L4', 1, 9], ['L5', 4, 8], ['L6', 4, 9]]], [['K0', None], ['K1', 'L4'], ['K2', 'L3'], ['K3', 'L6']]]]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"fixed":{"sha256":"0c28e54b85e2e0d9b329ee1ef9c1988526776728de17ba1dbbad15548567c927","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(skus, slots):\n    order = sorted(skus, key=lambda r: (-r[1], r[0]))\n    used = set()\n    out = {}\n    for sku, picks, kg in order:\n        best = None\n        for s in sorted(slots, key=lambda s: (-s[2], s[1], s[0])):\n            sid, lvl, score = s\n            if sid in used:\n                continue\n            if kg > 20 and lvl > 2:\n                continue\n            if score >= 8 and picks < 50:\n                continue\n            best = sid\n            break\n        if best is not None:\n            used.add(best)\n        out[sku] = best\n    return [[k, out[k]] for k in sorted(out)]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['generated mix 5', [[['K0', 10, 15], ['K1', 80, 2], ['K2', 49, 21], ['K3', 50, 15]], [['L0', 1, 5], ['L1', 4, 8], ['L2', 4, 9], ['L3', 1, 6], ['L4', 4, 8], ['L5', 2, 3]]], [['K0', 'L0'], ['K1', 'L2'], ['K2', 'L3'], ['K3', 'L1']]], ['heavy on level 2 ok', [[['h', 60, 25]], [['a', 3, 9], ['b', 2, 7]]], [['h', 'b']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['two skus compete', [[['a', 90, 1], ['b', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['exactly 20 kg is not heavy', [[['e', 5, 20]], [['t', 4, 7], ['u', 1, 3]]], [['e', 't']]], ['reservation at 50 picks', [[['f', 50, 5], ['s', 49, 5]], [['g', 2, 8], ['n', 1, 6]]], [['f', 'g'], ['s', 'n']]], ['generated mix 7', [[['K0', 51, 15], ['K1', 80, 30], ['K2', 10, 21]], [['L0', 1, 8], ['L1', 2, 3]]], [['K0', 'L1'], ['K1', 'L0'], ['K2', None]]], ['generated mix 15', [[['K0', 120, 21], ['K1', 0, 30], ['K2', 0, 21], ['K3', 80, 15], ['K4', 50, 2], ['K5', 80, 30]], [['L0', 5, 8], ['L1', 1, 3], ['L2', 3, 8], ['L3', 3, 6], ['L4', 2, 6], ['L5', 3, 10]]], [['K0', 'L4'], ['K1', None], ['K2', None], ['K3', 'L5'], ['K4', 'L2'], ['K5', 'L1']]]], [['generated mix 59', [[['K0', 0, 21], ['K1', 51, 20], ['K2', 120, 15]], [['L0', 2, 8], ['L1', 5, 10], ['L2', 4, 5], ['L3', 3, 9], ['L4', 3, 5], ['L5', 3, 8]]], [['K0', None], ['K1', 'L3'], ['K2', 'L1']]], ['generated mix 24', [[['K0', 50, 30], ['K1', 10, 30], ['K2', 10, 21]], [['L0', 2, 3], ['L1', 4, 10], ['L2', 4, 6], ['L3', 1, 10], ['L4', 4, 3], ['L5', 2, 5], ['L6', 4, 9]]], [['K0', 'L3'], ['K1', 'L5'], ['K2', 'L0']]], ['no eligible slot', [[['w', 5, 40]], [['a', 4, 5]]], [['w', None]]], ['tie in feed order', [[['b', 90, 1], ['a', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['heavy on level 2 ok', [[['h', 60, 25]], [['a', 3, 9], ['b', 2, 7]]], [['h', 'b']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['generated mix 9', [[['K0', 50, 20], ['K1', 50, 30], ['K2', 0, 21], ['K3', 10, 20], ['K4', 10, 20], ['K5', 51, 2]], [['L0', 3, 9], ['L1', 4, 6], ['L2', 2, 3]]], [['K0', 'L1'], ['K1', 'L2'], ['K2', None], ['K3', None], ['K4', None], ['K5', 'L0']]], ['generated mix 17', [[['K0', 50, 30]], [['L0', 3, 3], ['L1', 2, 5], ['L2', 2, 10], ['L3', 2, 10], ['L4', 3, 10]]], [['K0', 'L2']]]], [['generated mix 27', [[['K0', 49, 2], ['K1', 120, 2], ['K2', 80, 21]], [['L0', 4, 8], ['L1', 1, 8], ['L2', 3, 9], ['L3', 5, 6], ['L4', 5, 5]]], [['K0', 'L3'], ['K1', 'L2'], ['K2', 'L1']]], ['generated mix 37', [[['K0', 49, 2], ['K1', 0, 20], ['K2', 50, 20], ['K3', 120, 21], ['K4', 10, 30]], [['L0', 4, 6], ['L1', 3, 5], ['L2', 2, 8], ['L3', 1, 8]]], [['K0', 'L0'], ['K1', 'L1'], ['K2', 'L2'], ['K3', 'L3'], ['K4', None]]], ['exactly 20 kg is not heavy', [[['e', 5, 20]], [['t', 4, 7], ['u', 1, 3]]], [['e', 't']]], ['reservation at 50 picks', [[['f', 50, 5], ['s', 49, 5]], [['g', 2, 8], ['n', 1, 6]]], [['f', 'g'], ['s', 'n']]], ['no eligible slot', [[['w', 5, 40]], [['a', 4, 5]]], [['w', None]]], ['tie in feed order', [[['b', 90, 1], ['a', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['generated mix 20', [[['K0', 50, 15]], [['L0', 4, 3], ['L1', 3, 10], ['L2', 4, 8], ['L3', 5, 9]]], [['K0', 'L1']]], ['generated mix 29', [[['K0', 50, 20]], [['L0', 4, 3], ['L1', 4, 10], ['L2', 5, 6]]], [['K0', 'L1']]]], [['generated mix 69', [[['K0', 50, 30], ['K1', 49, 2], ['K2', 51, 30], ['K3', 0, 15]], [['L0', 4, 8], ['L1', 5, 5], ['L2', 1, 3], ['L3', 4, 3]]], [['K0', None], ['K1', 'L1'], ['K2', 'L2'], ['K3', 'L3']]], ['generated mix 58', [[['K0', 10, 30], ['K1', 50, 15], ['K2', 80, 30], ['K3', 120, 15]], [['L0', 4, 8], ['L1', 2, 8], ['L2', 4, 8], ['L3', 2, 3]]], [['K0', None], ['K1', 'L0'], ['K2', 'L3'], ['K3', 'L1']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['two skus compete', [[['a', 90, 1], ['b', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['exactly 20 kg is not heavy', [[['e', 5, 20]], [['t', 4, 7], ['u', 1, 3]]], [['e', 't']]], ['reservation at 50 picks', [[['f', 50, 5], ['s', 49, 5]], [['g', 2, 8], ['n', 1, 6]]], [['f', 'g'], ['s', 'n']]], ['generated mix 31', [[['K0', 0, 21], ['K1', 10, 21], ['K2', 80, 2], ['K3', 0, 21], ['K4', 80, 2]], [['L0', 2, 5], ['L1', 4, 6], ['L2', 4, 3], ['L3', 2, 3], ['L4', 3, 8]]], [['K0', 'L3'], ['K1', 'L0'], ['K2', 'L4'], ['K3', None], ['K4', 'L1']]], ['generated mix 39', [[['K0', 0, 2], ['K1', 80, 15]], [['L0', 5, 8], ['L1', 1, 5], ['L2', 5, 8], ['L3', 1, 9], ['L4', 5, 9]]], [['K0', 'L1'], ['K1', 'L3']]]], [['generated mix 40', [[['K0', 49, 20], ['K1', 50, 21], ['K2', 51, 15], ['K3', 10, 15]], [['L0', 2, 10], ['L1', 4, 8], ['L2', 1, 5], ['L3', 5, 10], ['L4', 2, 10], ['L5', 1, 9], ['L6', 4, 6]]], [['K0', 'L6'], ['K1', 'L4'], ['K2', 'L0'], ['K3', 'L2']]], ['generated mix 77', [[['K0', 50, 2]], [['L0', 5, 3], ['L1', 5, 5], ['L2', 5, 8], ['L3', 4, 9], ['L4', 4, 5], ['L5', 1, 10], ['L6', 5, 8]]], [['K0', 'L5']]], ['tie in feed order', [[['b', 90, 1], ['a', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['heavy on level 2 ok', [[['h', 60, 25]], [['a', 3, 9], ['b', 2, 7]]], [['h', 'b']]], ['score tie prefers low level', [[['q', 10, 1]], [['z', 1, 6], ['a', 3, 6]]], [['q', 'z']]], ['two skus compete', [[['a', 90, 1], ['b', 90, 1]], [['s1', 2, 9], ['s2', 3, 5]]], [['a', 's1'], ['b', 's2']]], ['generated mix 43', [[['K0', 120, 21], ['K1', 49, 21], ['K2', 80, 21], ['K3', 49, 21], ['K4', 80, 30]], [['L0', 2, 5], ['L1', 4, 9], ['L2', 5, 3], ['L3', 2, 5], ['L4', 2, 3], ['L5', 1, 9], ['L6', 1, 8]]], [['K0', 'L5'], ['K1', 'L3'], ['K2', 'L6'], ['K3', 'L4'], ['K4', 'L0']]], ['generated mix 51', [[['K0', 0, 21], ['K1', 80, 2], ['K2', 10, 20], ['K3', 80, 20]], [['L0', 5, 9], ['L1', 5, 9], ['L2', 1, 8], ['L3', 2, 3], ['L4', 1, 9], ['L5', 4, 8], ['L6', 4, 9]]], [['K0', None], ['K1', 'L4'], ['K2', 'L3'], ['K3', 'L6']]]]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Greedy stipulated slotting policy; real slotting optimizers weigh many more factors. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"w2-warehouse-slotting-golden-zone-fast-mover-reservation","generated_at":"2026-09-29T14:52:08.509878+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Forward pick slotting places the fastest movers in ergonomic golden-zone locations.","repair":"Reserve every slot scoring 8 or more for SKUs with at least 50 weekly picks.","root_cause":"The reservation test starts at scores above 8, leaving score-8 slots unreserved.","sha256":"83704fa46e7ad20323f44eb8898ec2649abf6f9eaee47d2f6e05e46ea10b8dbf","title":"Golden zone: score-8 slots not reserved · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":44.127,"exit_code":1,"observations":[{"actual":[["K0","L5"],["K1","L2"],["K2","L0"],["K3","L3"]],"check":"generated mix 5","expected":[["K0","L0"],["K1","L2"],["K2","L3"],["K3","L1"]],"passed":false},{"actual":[["h","b"]],"check":"heavy on level 2 ok","expected":[["h","b"]],"passed":true},{"actual":[["q","z"]],"check":"score tie prefers low level","expected":[["q","z"]],"passed":true},{"actual":[["a","s1"],["b","s2"]],"check":"two skus compete","expected":[["a","s1"],["b","s2"]],"passed":true},{"actual":[["e","t"]],"check":"exactly 20 kg is not heavy","expected":[["e","t"]],"passed":true},{"actual":[["f","n"],["s",null]],"check":"reservation at 50 picks","expected":[["f","g"],["s","n"]],"passed":false},{"actual":[["K0","L1"],["K1","L0"],["K2",null]],"check":"generated mix 7","expected":[["K0","L1"],["K1","L0"],["K2",null]],"passed":true},{"actual":[["K0","L4"],["K1",null],["K2",null],["K3","L5"],["K4","L3"],["K5","L1"]],"check":"generated mix 15","expected":[["K0","L4"],["K1",null],["K2",null],["K3","L5"],["K4","L2"],["K5","L1"]],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"generated mix 5\", \"actual\": [[\"K0\", \"L5\"], [\"K1\", \"L2\"], [\"K2\", \"L0\"], [\"K3\", \"L3\"]], \"expected\": [[\"K0\", \"L0\"], [\"K1\", \"L2\"], [\"K2\", \"L3\"], [\"K3\", \"L1\"]], \"passed\": false}, {\"check\": \"heavy on level 2 ok\", \"actual\": [[\"h\", \"b\"]], \"expected\": [[\"h\", \"b\"]], \"passed\": true}, {\"check\": \"score tie prefers low level\", \"actual\": [[\"q\", \"z\"]], \"expected\": [[\"q\", \"z\"]], \"passed\": true}, {\"check\": \"two skus compete\", \"actual\": [[\"a\", \"s1\"], [\"b\", \"s2\"]], \"expected\": [[\"a\", \"s1\"], [\"b\", \"s2\"]], \"passed\": true}, {\"check\": \"exactly 20 kg is not heavy\", \"actual\": [[\"e\", \"t\"]], \"expected\": [[\"e\", \"t\"]], \"passed\": true}, {\"check\": \"reservation at 50 picks\", \"actual\": [[\"f\", \"n\"], [\"s\", null]], \"expected\": [[\"f\", \"g\"], [\"s\", \"n\"]], \"passed\": false}, {\"check\": \"generated mix 7\", \"actual\": [[\"K0\", \"L1\"], [\"K1\", \"L0\"], [\"K2\", null]], \"expected\": [[\"K0\", \"L1\"], [\"K1\", \"L0\"], [\"K2\", null]], \"passed\": true}, {\"check\": \"generated mix 15\", \"actual\": [[\"K0\", \"L4\"], [\"K1\", null], [\"K2\", null], [\"K3\", \"L5\"], [\"K4\", \"L3\"], [\"K5\", \"L1\"]], \"expected\": [[\"K0\", \"L4\"], [\"K1\", null], [\"K2\", null], [\"K3\", \"L5\"], [\"K4\", \"L2\"], [\"K5\", \"L1\"]], \"passed\": false}], \"passed\": false}\n"},"broken":{"elapsed_ms":42.102,"exit_code":1,"observations":[{"actual":[["K0","L4"],["K1","L2"],["K2","L3"],["K3","L1"]],"check":"generated mix 5","expected":[["K0","L0"],["K1","L2"],["K2","L3"],["K3","L1"]],"passed":false},{"actual":[["h","b"]],"check":"heavy on level 2 ok","expected":[["h","b"]],"passed":true},{"actual":[["q","z"]],"check":"score tie prefers low level","expected":[["q","z"]],"passed":true},{"actual":[["a","s1"],["b","s2"]],"check":"two skus compete","expected":[["a","s1"],["b","s2"]],"passed":true},{"actual":[["e","t"]],"check":"exactly 20 kg is not heavy","expected":[["e","t"]],"passed":true},{"actual":[["f","g"],["s","n"]],"check":"reservation at 50 picks","expected":[["f","g"],["s","n"]],"passed":true},{"actual":[["K0","L1"],["K1","L0"],["K2",null]],"check":"generated mix 7","expected":[["K0","L1"],["K1","L0"],["K2",null]],"passed":true},{"actual":[["K0","L4"],["K1",null],["K2",null],["K3","L5"],["K4","L2"],["K5","L1"]],"check":"generated mix 15","expected":[["K0","L4"],["K1",null],["K2",null],["K3","L5"],["K4","L2"],["K5","L1"]],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"generated mix 5\", \"actual\": [[\"K0\", \"L4\"], [\"K1\", \"L2\"], [\"K2\", \"L3\"], [\"K3\", \"L1\"]], \"expected\": [[\"K0\", \"L0\"], [\"K1\", \"L2\"], [\"K2\", \"L3\"], [\"K3\", \"L1\"]], \"passed\": false}, {\"check\": \"heavy on level 2 ok\", \"actual\": [[\"h\", \"b\"]], \"expected\": [[\"h\", \"b\"]], \"passed\": true}, {\"check\": \"score tie prefers low level\", \"actual\": [[\"q\", \"z\"]], \"expected\": [[\"q\", \"z\"]], \"passed\": true}, {\"check\": \"two skus compete\", \"actual\": [[\"a\", \"s1\"], [\"b\", \"s2\"]], \"expected\": [[\"a\", \"s1\"], [\"b\", \"s2\"]], \"passed\": true}, {\"check\": \"exactly 20 kg is not heavy\", \"actual\": [[\"e\", \"t\"]], \"expected\": [[\"e\", \"t\"]], \"passed\": true}, {\"check\": \"reservation at 50 picks\", \"actual\": [[\"f\", \"g\"], [\"s\", \"n\"]], \"expected\": [[\"f\", \"g\"], [\"s\", \"n\"]], \"passed\": true}, {\"check\": \"generated mix 7\", \"actual\": [[\"K0\", \"L1\"], [\"K1\", \"L0\"], [\"K2\", null]], \"expected\": [[\"K0\", \"L1\"], [\"K1\", \"L0\"], [\"K2\", null]], \"passed\": true}, {\"check\": \"generated mix 15\", \"actual\": [[\"K0\", \"L4\"], [\"K1\", null], [\"K2\", null], [\"K3\", \"L5\"], [\"K4\", \"L2\"], [\"K5\", \"L1\"]], \"expected\": [[\"K0\", \"L4\"], [\"K1\", null], [\"K2\", null], [\"K3\", \"L5\"], [\"K4\", \"L2\"], [\"K5\", \"L1\"]], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":39.957,"exit_code":0,"observations":[{"actual":[["K0","L0"],["K1","L2"],["K2","L3"],["K3","L1"]],"check":"generated mix 5","expected":[["K0","L0"],["K1","L2"],["K2","L3"],["K3","L1"]],"passed":true},{"actual":[["h","b"]],"check":"heavy on level 2 ok","expected":[["h","b"]],"passed":true},{"actual":[["q","z"]],"check":"score tie prefers low level","expected":[["q","z"]],"passed":true},{"actual":[["a","s1"],["b","s2"]],"check":"two skus compete","expected":[["a","s1"],["b","s2"]],"passed":true},{"actual":[["e","t"]],"check":"exactly 20 kg is not heavy","expected":[["e","t"]],"passed":true},{"actual":[["f","g"],["s","n"]],"check":"reservation at 50 picks","expected":[["f","g"],["s","n"]],"passed":true},{"actual":[["K0","L1"],["K1","L0"],["K2",null]],"check":"generated mix 7","expected":[["K0","L1"],["K1","L0"],["K2",null]],"passed":true},{"actual":[["K0","L4"],["K1",null],["K2",null],["K3","L5"],["K4","L2"],["K5","L1"]],"check":"generated mix 15","expected":[["K0","L4"],["K1",null],["K2",null],["K3","L5"],["K4","L2"],["K5","L1"]],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"generated mix 5\", \"actual\": [[\"K0\", \"L0\"], [\"K1\", \"L2\"], [\"K2\", \"L3\"], [\"K3\", \"L1\"]], \"expected\": [[\"K0\", \"L0\"], [\"K1\", \"L2\"], [\"K2\", \"L3\"], [\"K3\", \"L1\"]], \"passed\": true}, {\"check\": \"heavy on level 2 ok\", \"actual\": [[\"h\", \"b\"]], \"expected\": [[\"h\", \"b\"]], \"passed\": true}, {\"check\": \"score tie prefers low level\", \"actual\": [[\"q\", \"z\"]], \"expected\": [[\"q\", \"z\"]], \"passed\": true}, {\"check\": \"two skus compete\", \"actual\": [[\"a\", \"s1\"], [\"b\", \"s2\"]], \"expected\": [[\"a\", \"s1\"], [\"b\", \"s2\"]], \"passed\": true}, {\"check\": \"exactly 20 kg is not heavy\", \"actual\": [[\"e\", \"t\"]], \"expected\": [[\"e\", \"t\"]], \"passed\": true}, {\"check\": \"reservation at 50 picks\", \"actual\": [[\"f\", \"g\"], [\"s\", \"n\"]], \"expected\": [[\"f\", \"g\"], [\"s\", \"n\"]], \"passed\": true}, {\"check\": \"generated mix 7\", \"actual\": [[\"K0\", \"L1\"], [\"K1\", \"L0\"], [\"K2\", null]], \"expected\": [[\"K0\", \"L1\"], [\"K1\", \"L0\"], [\"K2\", null]], \"passed\": true}, {\"check\": \"generated mix 15\", \"actual\": [[\"K0\", \"L4\"], [\"K1\", null], [\"K2\", null], [\"K3\", \"L5\"], [\"K4\", \"L2\"], [\"K5\", \"L1\"]], \"expected\": [[\"K0\", \"L4\"], [\"K1\", null], [\"K2\", null], [\"K3\", \"L5\"], [\"K4\", \"L2\"], [\"K5\", \"L1\"]], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}