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FA-57611 / Auction allocation rules / Open access

Permit constrained award: acknowledged quota restoration · case 01

Unacknowledged returned award units restore regulated quota.

Verified by executionVariant 1 · 10 checks per implementationDownload source bundle ↓JSON ↗

ROOT CAUSE

Unacknowledged returned award units restore regulated quota.

VERIFIED REPAIR

For acknowledged quota restoration, apply the stipulated decision x["quota"]+(x["returned"] if x["return_ack"] else 0).

Unsuccessful approach: The attempted repair uses x["quota"]; the explicit regression cases demonstrate that this still violates the stipulated auction rule.

Case contract

A toy regulated-item auction uses explicit fictional permit rules: permits are lot-category, destination and unit-count scoped; transfers consume quota only after award acceptance, and returns restore quota only after regulator acknowledgment. No real regulatory compliance is represented. Named decision acknowledged-quota-restoration: For acknowledged quota restoration, apply the stipulated decision x["quota"]+(x["returned"] if x["return_ack"] else 0).

Why this case matters

Offline administrative auction model for software failure analysis.

1 / The failure

Exit 1
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(x):
    v0 = x["category"] in x["permit_categories"]
    v1 = all(d in x["destinations"] for d in x["route"])
    v2 = min(x["requested"],max(0,x["quota"]-x["reserved"]))
    v3 = max(0,x["quota"]-x["requested"]) if x["accepted"] else x["quota"]
    v4 = x["quota"]+x["returned"]
    v5 = x["award_time"]<x["expires"]
    v6 = x["delivery_time"]<x["expires"]
    v7 = [p for p in x["assigned"] if p in x["permits"] and p not in x["revoked"]]
    v8 = x["seller_license"] and x["buyer_license"]
    v9 = x["permit_owner"]==x["buyer"] or x["transferred"]
    return {'permit-category-scope':v0,'transit-route-permit':v1,'unreserved-permit-quota':v2,'accepted-quota-consumption':v3,'acknowledged-quota-restoration':v4,'award-time-permit-validity':v5,'delivery-permit-recheck':v6,'revoked-permit-selection':v7,'two-party-license':v8,'permit-owner-transfer':v9}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('normal contract', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('award at permit expiry', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 8, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('return acknowledged', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': True, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [8, 16, 24, 32, 40]), ('award at permit expiry / return acknowledged', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': True, 'expires': 8, 'award_time': 8, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [8, 16, 24, 32, 40]), ('different category', {'category': 'green', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('different destination', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D2', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('small request', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 2, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('accepted award', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': True, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('award after permit expiry', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 9, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('delivery before expiry', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 7, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25])]
def vary(value):
 if type(value) is int: return value*N
 if isinstance(value,list): return [vary(v) for v in value]
 if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}
 return value
for label, request, expected in fixtures:
 check(label, solve(vary(request))['acknowledged-quota-restoration'], expected[N-1])
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
normal contract85Failed
award at permit expiry85Failed
return acknowledged88Passed
award at permit expiry / return acknowledged88Passed
different category85Failed
different destination85Failed
small request85Failed
accepted award85Failed
award after permit expiry85Failed
delivery before expiry85Failed

SHA-256 / c83d42f857d9d64409f39e89a93223aaf625c6c724bcf7362d6ce1bf88601b4d

2 / The unsuccessful fix

Exit 1
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(x):
    v0 = x["category"] in x["permit_categories"]
    v1 = all(d in x["destinations"] for d in x["route"])
    v2 = min(x["requested"],max(0,x["quota"]-x["reserved"]))
    v3 = max(0,x["quota"]-x["requested"]) if x["accepted"] else x["quota"]
    v4 = x["quota"]
    v5 = x["award_time"]<x["expires"]
    v6 = x["delivery_time"]<x["expires"]
    v7 = [p for p in x["assigned"] if p in x["permits"] and p not in x["revoked"]]
    v8 = x["seller_license"] and x["buyer_license"]
    v9 = x["permit_owner"]==x["buyer"] or x["transferred"]
    return {'permit-category-scope':v0,'transit-route-permit':v1,'unreserved-permit-quota':v2,'accepted-quota-consumption':v3,'acknowledged-quota-restoration':v4,'award-time-permit-validity':v5,'delivery-permit-recheck':v6,'revoked-permit-selection':v7,'two-party-license':v8,'permit-owner-transfer':v9}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('normal contract', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('award at permit expiry', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 8, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('return acknowledged', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': True, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [8, 16, 24, 32, 40]), ('award at permit expiry / return acknowledged', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': True, 'expires': 8, 'award_time': 8, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [8, 16, 24, 32, 40]), ('different category', {'category': 'green', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('different destination', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D2', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('small request', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 2, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('accepted award', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': True, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('award after permit expiry', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 9, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('delivery before expiry', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 7, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25])]
def vary(value):
 if type(value) is int: return value*N
 if isinstance(value,list): return [vary(v) for v in value]
 if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}
 return value
for label, request, expected in fixtures:
 check(label, solve(vary(request))['acknowledged-quota-restoration'], expected[N-1])
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
normal contract55Passed
award at permit expiry55Passed
return acknowledged58Failed
award at permit expiry / return acknowledged58Failed
different category55Passed
different destination55Passed
small request55Passed
accepted award55Passed
award after permit expiry55Passed
delivery before expiry55Passed

SHA-256 / 43fcd71eaa1d5058778617321d3d4705d2faec4091c683a789877bc96d768dad

3 / The verified repair

Exit 0
"""Failure Map reference implementation. Python standard library only."""
import json

N = 1
observations = []
def solve(x):
    v0 = x["category"] in x["permit_categories"]
    v1 = all(d in x["destinations"] for d in x["route"])
    v2 = min(x["requested"],max(0,x["quota"]-x["reserved"]))
    v3 = max(0,x["quota"]-x["requested"]) if x["accepted"] else x["quota"]
    v4 = x["quota"]+(x["returned"] if x["return_ack"] else 0)
    v5 = x["award_time"]<x["expires"]
    v6 = x["delivery_time"]<x["expires"]
    v7 = [p for p in x["assigned"] if p in x["permits"] and p not in x["revoked"]]
    v8 = x["seller_license"] and x["buyer_license"]
    v9 = x["permit_owner"]==x["buyer"] or x["transferred"]
    return {'permit-category-scope':v0,'transit-route-permit':v1,'unreserved-permit-quota':v2,'accepted-quota-consumption':v3,'acknowledged-quota-restoration':v4,'award-time-permit-validity':v5,'delivery-permit-recheck':v6,'revoked-permit-selection':v7,'two-party-license':v8,'permit-owner-transfer':v9}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('normal contract', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('award at permit expiry', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 8, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('return acknowledged', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': True, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [8, 16, 24, 32, 40]), ('award at permit expiry / return acknowledged', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': True, 'expires': 8, 'award_time': 8, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [8, 16, 24, 32, 40]), ('different category', {'category': 'green', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('different destination', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D2', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('small request', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 2, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('accepted award', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': True, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('award after permit expiry', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 9, 'delivery_time': 9, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25]), ('delivery before expiry', {'category': 'blue', 'permit_categories': ['red', 'blue'], 'destination': 'D1', 'destinations': ['D1'], 'requested': 6, 'quota': 5, 'reserved': 2, 'accepted': False, 'returned': 3, 'return_ack': False, 'expires': 8, 'award_time': 7, 'delivery_time': 7, 'permits': ['p1', 'p2'], 'revoked': ['p2'], 'assigned': ['p2'], 'seller_license': True, 'buyer_license': False, 'permit_owner': 'b', 'buyer': 'b', 'transferred': False, 'route': ['D2', 'D1']}, [5, 10, 15, 20, 25])]
def vary(value):
 if type(value) is int: return value*N
 if isinstance(value,list): return [vary(v) for v in value]
 if isinstance(value,dict): return {k:(v if k in ['count', 'delivery_index', 'disputed', 'maximum_set', 'minimum_set', 'stage', 'threshold', 'waived'] else vary(v)) for k,v in value.items()}
 return value
for label, request, expected in fixtures:
 check(label, solve(vary(request))['acknowledged-quota-restoration'], expected[N-1])
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
Boundary fixtureActualExpectedOutcome
normal contract55Passed
award at permit expiry55Passed
return acknowledged88Passed
award at permit expiry / return acknowledged88Passed
different category55Passed
different destination55Passed
small request55Passed
accepted award55Passed
award after permit expiry55Passed
delivery before expiry55Passed

SHA-256 / 11b70d5c1ee58f0ae84800da4e2726b56e8525ce183189bfc92a68441cac3759

Verification & scope

Stipulated toy auction rules, not a venue specification, financial advice, optimization claim, or live trading implementation. Nonnegative integer inputs and internally aligned list fields only. 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.

Observations recorded using Python 3.12.14 at 2026-09-29T14:46:18.545363+00:00.

Case digest / eaee84a011861a95a7241f48311a0c2fe9d645d9c21a1ab058f6c6b77e4c814d