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FA-57646 / Auction allocation rules / Open access

Seller supply amendment: reservation inventory floor · case 01

A supply amendment preserves awards but removes separately reserved stock.

Verified by executionVariant 1 · 9 checks per implementationDownload source bundle ↓JSON ↗

ROOT CAUSE

A supply amendment preserves awards but removes separately reserved stock.

VERIFIED REPAIR

For reservation inventory floor, apply the stipulated decision {l:max(q,x["awarded"].get(l,0)+x["reserved"].get(l,0)) for l,q in x["new"].items()}.

Unsuccessful approach: The attempted repair uses {l:max(q,x["reserved"].get(l,0)) for l,q in x["new"].items()}; 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 reservation-inventory-floor: For reservation inventory floor, apply the stipulated decision {l:max(q,x["awarded"].get(l,0)+x["reserved"].get(l,0)) for l,q in x["new"].items()}.

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)) 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    v4 = {l:max(0,x["old"][l]-x["awarded"].get(l,0)-x["reserved"].get(l,0)) for l in x["withdrawn"]}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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 8, 'B': 5}, {'A': 16, 'B': 10}, {'A': 24, 'B': 15}, {'A': 32, 'B': 20}, {'A': 40, 'B': 25}]), ('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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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}, [{'A': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}])]
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))['reservation-inventory-floor'], 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 contract{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed
amendment approved{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed
supply frozen{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed
below awarded supply{'A': 4, 'B': 7}{'A': 6, 'B': 7}Failed
unchanged supply{'A': 8, 'B': 5}{'A': 8, 'B': 5}Passed
all reserves released{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
certified increase{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed
wrong actor{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed
all withdrawn{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed

SHA-256 / d61a800d3233ed45c28086a1ad4c5393483ca35746cb3c90758a053d54be53ed

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["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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 8, 'B': 5}, {'A': 16, 'B': 10}, {'A': 24, 'B': 15}, {'A': 32, 'B': 20}, {'A': 40, 'B': 25}]), ('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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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}, [{'A': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}])]
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))['reservation-inventory-floor'], 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 contract{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed
amendment approved{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed
supply frozen{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed
below awarded supply{'A': 2, 'B': 7}{'A': 6, 'B': 7}Failed
unchanged supply{'A': 8, 'B': 5}{'A': 8, 'B': 5}Passed
all reserves released{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
certified increase{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed
wrong actor{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed
all withdrawn{'A': 5, 'B': 7}{'A': 6, 'B': 7}Failed

SHA-256 / 5f6ae466c9ba58298bc6f31487ff11eb92c5622d03a147183a371d3a0344586e

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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 8, 'B': 5}, {'A': 16, 'B': 10}, {'A': 24, 'B': 15}, {'A': 32, 'B': 20}, {'A': 40, 'B': 25}]), ('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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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}, [{'A': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}]), ('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': 6, 'B': 7}, {'A': 12, 'B': 14}, {'A': 18, 'B': 21}, {'A': 24, 'B': 28}, {'A': 30, 'B': 35}])]
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))['reservation-inventory-floor'], 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 contract{'A': 6, 'B': 7}{'A': 6, 'B': 7}Passed
amendment approved{'A': 6, 'B': 7}{'A': 6, 'B': 7}Passed
supply frozen{'A': 6, 'B': 7}{'A': 6, 'B': 7}Passed
below awarded supply{'A': 6, 'B': 7}{'A': 6, 'B': 7}Passed
unchanged supply{'A': 8, 'B': 5}{'A': 8, 'B': 5}Passed
all reserves released{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
certified increase{'A': 6, 'B': 7}{'A': 6, 'B': 7}Passed
wrong actor{'A': 6, 'B': 7}{'A': 6, 'B': 7}Passed
all withdrawn{'A': 6, 'B': 7}{'A': 6, 'B': 7}Passed

SHA-256 / d62fd73c0bcd945e32d58434422e39b4933ddbdb2e839936666869dbf2f1a858

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 2026-09-29T14:46:18.929093+00:00.

Case digest / 1b800cc41d4f93c5d5ded43d9845f000d00eace4c642608216e3906ab8e6b538