FA-57676 / Auction allocation rules / Open access
Seller supply amendment: seller amendment ownership · case 01
One seller edits another seller auction lot inventory.
ROOT CAUSE
One seller edits another seller auction lot inventory.
VERIFIED REPAIR
For seller amendment ownership, apply the stipulated decision [l for l in x["new"] if x["sellers"][l]==x["actor"]].
Unsuccessful approach: The attempted repair uses [l for l in x["new"] if l in x["consent"]]; the explicit regression cases demonstrate that this still violates the stipulated auction rule.
Case contract
An auction seller may amend offered inventory before freeze. Confirmed awards and firm reservations form a floor; rejected amendments retain the previous inventory. Per-lot changes are simultaneous and cannot use removed supply to satisfy prior awards. Named decision seller-amendment-ownership: For seller amendment ownership, apply the stipulated decision [l for l in x["new"] if x["sellers"][l]==x["actor"]].
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 = {l:max(q,x["awarded"].get(l,0)) for l,q in x["new"].items()}
v1 = {l:max(q,x["awarded"].get(l,0)+x["reserved"].get(l,0)) for l,q in x["new"].items()}
v2 = {l:(min(q,x["old"][l]) if x["frozen"] else q) for l,q in x["new"].items()}
v3 = x["new"] if x["approved"] else x["old"]
v4 = {l:max(0,x["old"][l]-x["awarded"].get(l,0)-x["reserved"].get(l,0)) for l in x["withdrawn"]}
v5 = {l:max(0,q-x["delivered"].get(l,0)) for l,q in x["old"].items()}
v6 = all(max(0,x["new"][l]-x["old"][l])<=x["certified_additions"].get(l,0) for l in x["added"])
v7 = list(x["new"])
v8 = {l:q if l in x["consent"] else x["old"][l] for l,q in x["new"].items()}
v9 = x["expected"]==x["revision"]
return {'award-inventory-floor':v0,'reservation-inventory-floor':v1,'freeze-supply-increase':v2,'supply-approval-atomicity':v3,'withdrawal-unawarded-stock':v4,'delivered-stock-accounting':v5,'certified-added-quantity':v6,'seller-amendment-ownership':v7,'consented-supply-change':v8,'inventory-revision-guard':v9}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('normal contract', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('amendment approved', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': True, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('wrong actor', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'z', 'revision': 2, 'expected': 2}, [[], [], [], [], []]), ('both seller consents', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A', 'B'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('supply frozen', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': True, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('below awarded supply', {'old': {'A': 8, 'B': 5}, 'new': {'A': 2, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('unchanged supply', {'old': {'A': 8, 'B': 5}, 'new': {'A': 8, 'B': 5}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('all reserves released', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 0, 'B': 0}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('certified increase', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 3}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('all withdrawn', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A', 'B'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']])]
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))['seller-amendment-ownership'], 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 |
|---|---|---|---|
| normal contract | ['A', 'B'] | ['A'] | Failed |
| amendment approved | ['A', 'B'] | ['A'] | Failed |
| wrong actor | ['A', 'B'] | [] | Failed |
| both seller consents | ['A', 'B'] | ['A'] | Failed |
| supply frozen | ['A', 'B'] | ['A'] | Failed |
| below awarded supply | ['A', 'B'] | ['A'] | Failed |
| unchanged supply | ['A', 'B'] | ['A'] | Failed |
| all reserves released | ['A', 'B'] | ['A'] | Failed |
| certified increase | ['A', 'B'] | ['A'] | Failed |
| all withdrawn | ['A', 'B'] | ['A'] | Failed |
SHA-256 / 27bb9862f6e272403a9e5ade51eec8634ae4fab394afe9b6ab50a8d92e139a45
2 / The unsuccessful fix
Exit 1"""Failure Map reference implementation. Python standard library only."""
import json
N = 1
observations = []
def solve(x):
v0 = {l:max(q,x["awarded"].get(l,0)) for l,q in x["new"].items()}
v1 = {l:max(q,x["awarded"].get(l,0)+x["reserved"].get(l,0)) for l,q in x["new"].items()}
v2 = {l:(min(q,x["old"][l]) if x["frozen"] else q) for l,q in x["new"].items()}
v3 = x["new"] if x["approved"] else x["old"]
v4 = {l:max(0,x["old"][l]-x["awarded"].get(l,0)-x["reserved"].get(l,0)) for l in x["withdrawn"]}
v5 = {l:max(0,q-x["delivered"].get(l,0)) for l,q in x["old"].items()}
v6 = all(max(0,x["new"][l]-x["old"][l])<=x["certified_additions"].get(l,0) for l in x["added"])
v7 = [l for l in x["new"] if l in x["consent"]]
v8 = {l:q if l in x["consent"] else x["old"][l] for l,q in x["new"].items()}
v9 = x["expected"]==x["revision"]
return {'award-inventory-floor':v0,'reservation-inventory-floor':v1,'freeze-supply-increase':v2,'supply-approval-atomicity':v3,'withdrawal-unawarded-stock':v4,'delivered-stock-accounting':v5,'certified-added-quantity':v6,'seller-amendment-ownership':v7,'consented-supply-change':v8,'inventory-revision-guard':v9}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('normal contract', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('amendment approved', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': True, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('wrong actor', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'z', 'revision': 2, 'expected': 2}, [[], [], [], [], []]), ('both seller consents', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A', 'B'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('supply frozen', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': True, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('below awarded supply', {'old': {'A': 8, 'B': 5}, 'new': {'A': 2, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('unchanged supply', {'old': {'A': 8, 'B': 5}, 'new': {'A': 8, 'B': 5}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('all reserves released', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 0, 'B': 0}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('certified increase', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 3}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('all withdrawn', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A', 'B'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']])]
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))['seller-amendment-ownership'], 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 |
|---|---|---|---|
| normal contract | ['A'] | ['A'] | Passed |
| amendment approved | ['A'] | ['A'] | Passed |
| wrong actor | ['A'] | [] | Failed |
| both seller consents | ['A', 'B'] | ['A'] | Failed |
| supply frozen | ['A'] | ['A'] | Passed |
| below awarded supply | ['A'] | ['A'] | Passed |
| unchanged supply | ['A'] | ['A'] | Passed |
| all reserves released | ['A'] | ['A'] | Passed |
| certified increase | ['A'] | ['A'] | Passed |
| all withdrawn | ['A'] | ['A'] | Passed |
SHA-256 / 4dd6c50414132e6d53a20e64a513b7377820ce121c40f691d4158a91409d7572
3 / The verified repair
Exit 0"""Failure Map reference implementation. Python standard library only."""
import json
N = 1
observations = []
def solve(x):
v0 = {l:max(q,x["awarded"].get(l,0)) for l,q in x["new"].items()}
v1 = {l:max(q,x["awarded"].get(l,0)+x["reserved"].get(l,0)) for l,q in x["new"].items()}
v2 = {l:(min(q,x["old"][l]) if x["frozen"] else q) for l,q in x["new"].items()}
v3 = x["new"] if x["approved"] else x["old"]
v4 = {l:max(0,x["old"][l]-x["awarded"].get(l,0)-x["reserved"].get(l,0)) for l in x["withdrawn"]}
v5 = {l:max(0,q-x["delivered"].get(l,0)) for l,q in x["old"].items()}
v6 = all(max(0,x["new"][l]-x["old"][l])<=x["certified_additions"].get(l,0) for l in x["added"])
v7 = [l for l in x["new"] if x["sellers"][l]==x["actor"]]
v8 = {l:q if l in x["consent"] else x["old"][l] for l,q in x["new"].items()}
v9 = x["expected"]==x["revision"]
return {'award-inventory-floor':v0,'reservation-inventory-floor':v1,'freeze-supply-increase':v2,'supply-approval-atomicity':v3,'withdrawal-unawarded-stock':v4,'delivered-stock-accounting':v5,'certified-added-quantity':v6,'seller-amendment-ownership':v7,'consented-supply-change':v8,'inventory-revision-guard':v9}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('normal contract', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('amendment approved', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': True, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('wrong actor', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'z', 'revision': 2, 'expected': 2}, [[], [], [], [], []]), ('both seller consents', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A', 'B'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('supply frozen', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': True, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('below awarded supply', {'old': {'A': 8, 'B': 5}, 'new': {'A': 2, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('unchanged supply', {'old': {'A': 8, 'B': 5}, 'new': {'A': 8, 'B': 5}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('all reserves released', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 0, 'B': 0}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('certified increase', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 3}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']]), ('all withdrawn', {'old': {'A': 8, 'B': 5}, 'new': {'A': 5, 'B': 7}, 'awarded': {'A': 4, 'B': 2}, 'reserved': {'A': 2, 'B': 1}, 'frozen': False, 'approved': False, 'withdrawn': ['A', 'B'], 'delivered': {'A': 1, 'B': 0}, 'added': ['B'], 'certified_additions': {'B': 1}, 'consent': ['A'], 'sellers': {'A': 'x', 'B': 'y'}, 'actor': 'x', 'revision': 2, 'expected': 2}, [['A'], ['A'], ['A'], ['A'], ['A']])]
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))['seller-amendment-ownership'], 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 |
|---|---|---|---|
| normal contract | ['A'] | ['A'] | Passed |
| amendment approved | ['A'] | ['A'] | Passed |
| wrong actor | [] | [] | Passed |
| both seller consents | ['A'] | ['A'] | Passed |
| supply frozen | ['A'] | ['A'] | Passed |
| below awarded supply | ['A'] | ['A'] | Passed |
| unchanged supply | ['A'] | ['A'] | Passed |
| all reserves released | ['A'] | ['A'] | Passed |
| certified increase | ['A'] | ['A'] | Passed |
| all withdrawn | ['A'] | ['A'] | Passed |
SHA-256 / 1d3c76d694dc4d4e32f6c1871749ccd19ec29a94870151be119479692e735aac
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 2026-09-29T14:46:19.265551+00:00.
Case digest / 58d515b4ec993122b4cb10151c21b9b2ef52266e5a7c21f20bcd6cf780c3f65a