FA-57036 / Auction allocation rules / Open access
Performance bond: timely claim survives expiry · case 01
Bond expiration or award completion destroys claims properly presented before the claim deadline.
ROOT CAUSE
Bond expiration or award completion destroys claims properly presented before the claim deadline.
VERIFIED REPAIR
For timely claim survives expiry, apply the stipulated decision [i for i,t in x["presented_claims"] if t<=x["claim_deadline"]].
Unsuccessful approach: The attempted repair uses [i for i,t in x["presented_claims"] if t<=x["claim_deadline"] and not x["completion"]]; the explicit regression cases demonstrate that this still violates the stipulated auction rule.
Case contract
A toy winning-bid bond secures post-award performance separately from payment. Bond tranches mature on distinct milestones; surety substitutions require explicit approval; partial calls consume the remaining callable face amount. Bond identifiers are unique strings. Named decision timely-claim-survives-expiry: For timely claim survives expiry, apply the stipulated decision [i for i,t in x["presented_claims"] if t<=x["claim_deadline"]].
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 = max(0,x["face"]-x["called"])
v1 = min(x["request"],max(0,x["face"]-x["called"]))
v2 = 0 if x["expired"] else min(x["request"],max(0,x["face"]-x["called"]))
v3 = x["retention"] if x["completion"] else x["face"]
v4 = sum(q for m,q in zip(x["milestones"],x["tranches"]) if m in x["done"])
v5 = x["proposed"] if x["proposed"] in x["approved"] else x["surety"]
v6 = x["replaced"] and x["proposed"] in x["approved"]
v7 = set(x["claim_lots"])<=set(x["guaranteed"])
v8 = x["claimant"]==x["beneficiary"] and not x["expired"]
v9 = [] if x["expired"] else [i for i,t in x["presented_claims"] if t<=x["claim_deadline"]]
return {'callable-face':v0,'claim-call-cap':v1,'expiry-call-block':v2,'retention-after-completion':v3,'milestone-tranche-release':v4,'surety-substitution-approval':v5,'old-bond-discharge':v6,'guarantee-lot-coverage':v7,'beneficiary-claim-authority':v8,'timely-claim-survives-expiry':v9}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('expired', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': True, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('partly guaranteed claim / expired', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': True, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L1', 'L3'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('completion', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': True, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('partly guaranteed claim / completion', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': True, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L1', 'L3'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('normal contract', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('partly guaranteed claim', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L1', 'L3'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('claim too large', {'face': 30, 'called': 8, 'request': 40, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('bond exhausted', {'face': 30, 'called': 30, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('all milestones', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship', 'inspect'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('substitution approved', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1', 's2'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('substitution finalized', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': True, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']])]
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))['timely-claim-survives-expiry'], 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 fixture | Actual | Expected | Outcome |
|---|---|---|---|
| expired | [] | ['c1'] | Failed |
| partly guaranteed claim / expired | [] | ['c1'] | Failed |
| completion | ['c1'] | ['c1'] | Passed |
| partly guaranteed claim / completion | ['c1'] | ['c1'] | Passed |
| normal contract | ['c1'] | ['c1'] | Passed |
| partly guaranteed claim | ['c1'] | ['c1'] | Passed |
| claim too large | ['c1'] | ['c1'] | Passed |
| bond exhausted | ['c1'] | ['c1'] | Passed |
| all milestones | ['c1'] | ['c1'] | Passed |
| substitution approved | ['c1'] | ['c1'] | Passed |
| substitution finalized | ['c1'] | ['c1'] | Passed |
SHA-256 / 98937f701db0b4d9c374088f7ced1145898eb1f27e27deb5de3e010b43ea2de7
2 / The unsuccessful fix
Exit 1"""Failure Map reference implementation. Python standard library only."""
import json
N = 1
observations = []
def solve(x):
v0 = max(0,x["face"]-x["called"])
v1 = min(x["request"],max(0,x["face"]-x["called"]))
v2 = 0 if x["expired"] else min(x["request"],max(0,x["face"]-x["called"]))
v3 = x["retention"] if x["completion"] else x["face"]
v4 = sum(q for m,q in zip(x["milestones"],x["tranches"]) if m in x["done"])
v5 = x["proposed"] if x["proposed"] in x["approved"] else x["surety"]
v6 = x["replaced"] and x["proposed"] in x["approved"]
v7 = set(x["claim_lots"])<=set(x["guaranteed"])
v8 = x["claimant"]==x["beneficiary"] and not x["expired"]
v9 = [i for i,t in x["presented_claims"] if t<=x["claim_deadline"] and not x["completion"]]
return {'callable-face':v0,'claim-call-cap':v1,'expiry-call-block':v2,'retention-after-completion':v3,'milestone-tranche-release':v4,'surety-substitution-approval':v5,'old-bond-discharge':v6,'guarantee-lot-coverage':v7,'beneficiary-claim-authority':v8,'timely-claim-survives-expiry':v9}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('expired', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': True, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('partly guaranteed claim / expired', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': True, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L1', 'L3'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('completion', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': True, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('partly guaranteed claim / completion', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': True, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L1', 'L3'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('normal contract', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('partly guaranteed claim', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L1', 'L3'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('claim too large', {'face': 30, 'called': 8, 'request': 40, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('bond exhausted', {'face': 30, 'called': 30, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('all milestones', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship', 'inspect'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('substitution approved', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1', 's2'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('substitution finalized', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': True, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']])]
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))['timely-claim-survives-expiry'], 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 fixture | Actual | Expected | Outcome |
|---|---|---|---|
| expired | ['c1'] | ['c1'] | Passed |
| partly guaranteed claim / expired | ['c1'] | ['c1'] | Passed |
| completion | [] | ['c1'] | Failed |
| partly guaranteed claim / completion | [] | ['c1'] | Failed |
| normal contract | ['c1'] | ['c1'] | Passed |
| partly guaranteed claim | ['c1'] | ['c1'] | Passed |
| claim too large | ['c1'] | ['c1'] | Passed |
| bond exhausted | ['c1'] | ['c1'] | Passed |
| all milestones | ['c1'] | ['c1'] | Passed |
| substitution approved | ['c1'] | ['c1'] | Passed |
| substitution finalized | ['c1'] | ['c1'] | Passed |
SHA-256 / 70c20c612c721024fcd6a45fd54afc6bcb35a08b186311690f0ebaa384754a31
3 / The verified repair
Exit 0"""Failure Map reference implementation. Python standard library only."""
import json
N = 1
observations = []
def solve(x):
v0 = max(0,x["face"]-x["called"])
v1 = min(x["request"],max(0,x["face"]-x["called"]))
v2 = 0 if x["expired"] else min(x["request"],max(0,x["face"]-x["called"]))
v3 = x["retention"] if x["completion"] else x["face"]
v4 = sum(q for m,q in zip(x["milestones"],x["tranches"]) if m in x["done"])
v5 = x["proposed"] if x["proposed"] in x["approved"] else x["surety"]
v6 = x["replaced"] and x["proposed"] in x["approved"]
v7 = set(x["claim_lots"])<=set(x["guaranteed"])
v8 = x["claimant"]==x["beneficiary"] and not x["expired"]
v9 = [i for i,t in x["presented_claims"] if t<=x["claim_deadline"]]
return {'callable-face':v0,'claim-call-cap':v1,'expiry-call-block':v2,'retention-after-completion':v3,'milestone-tranche-release':v4,'surety-substitution-approval':v5,'old-bond-discharge':v6,'guarantee-lot-coverage':v7,'beneficiary-claim-authority':v8,'timely-claim-survives-expiry':v9}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('expired', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': True, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('partly guaranteed claim / expired', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': True, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L1', 'L3'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('completion', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': True, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('partly guaranteed claim / completion', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': True, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L1', 'L3'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('normal contract', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('partly guaranteed claim', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L1', 'L3'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('claim too large', {'face': 30, 'called': 8, 'request': 40, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('bond exhausted', {'face': 30, 'called': 30, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('all milestones', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship', 'inspect'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('substitution approved', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1', 's2'], 'replaced': False, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']]), ('substitution finalized', {'face': 30, 'called': 8, 'request': 10, 'paid_claims': 5, 'expired': False, 'completion': False, 'retention': 4, 'milestones': ['ship', 'inspect'], 'done': ['ship'], 'tranches': [12, 18], 'surety': 's1', 'proposed': 's2', 'approved': ['s1'], 'replaced': True, 'guaranteed': ['L1', 'L2'], 'claim_lots': ['L2'], 'returned': 3, 'beneficiary': 'seller', 'claimant': 'seller', 'claim_ids': ['c1', 'c2', 'c1'], 'presented_claims': [['c1', 3], ['c2', 7]], 'claim_deadline': 5}, [['c1'], ['c1'], ['c1'], ['c1'], ['c1']])]
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))['timely-claim-survives-expiry'], 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 fixture | Actual | Expected | Outcome |
|---|---|---|---|
| expired | ['c1'] | ['c1'] | Passed |
| partly guaranteed claim / expired | ['c1'] | ['c1'] | Passed |
| completion | ['c1'] | ['c1'] | Passed |
| partly guaranteed claim / completion | ['c1'] | ['c1'] | Passed |
| normal contract | ['c1'] | ['c1'] | Passed |
| partly guaranteed claim | ['c1'] | ['c1'] | Passed |
| claim too large | ['c1'] | ['c1'] | Passed |
| bond exhausted | ['c1'] | ['c1'] | Passed |
| all milestones | ['c1'] | ['c1'] | Passed |
| substitution approved | ['c1'] | ['c1'] | Passed |
| substitution finalized | ['c1'] | ['c1'] | Passed |
SHA-256 / 64dd7571e62125375292c0298a439155aa674ffe90c5df2146c17307d8073ba7
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 2026-09-29T14:46:12.915508+00:00.
Case digest / 92e0c42fa903bd22f6e60da32a96622a7bf4cf289a2b41c5ebc4c2dd594c92f8