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FA-57651 / Auction allocation rules / Open access

Seller supply amendment: freeze supply increase · case 01

Frozen supply permits increases or blocks permitted decreases.

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

ROOT CAUSE

Frozen supply permits increases or blocks permitted decreases.

VERIFIED REPAIR

For freeze supply increase, apply the stipulated decision {l:(min(q,x["old"][l]) if x["frozen"] else q) for l,q in x["new"].items()}.

Unsuccessful approach: The attempted repair uses x["old"] if x["frozen"] else x["new"]; 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 freeze-supply-increase: For freeze supply increase, apply the stipulated decision {l:(min(q,x["old"][l]) if x["frozen"] else q) 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)+x["reserved"].get(l,0)) for l,q in x["new"].items()}
    v2 = x["new"]
    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    v4 = {l:max(0,x["old"][l]-x["awarded"].get(l,0)-x["reserved"].get(l,0)) for l in x["withdrawn"]}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 = [('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': 5, 'B': 5}, {'A': 10, 'B': 10}, {'A': 15, 'B': 15}, {'A': 20, 'B': 20}, {'A': 25, 'B': 25}]), ('amendment approved / 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': 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': 5, 'B': 5}, {'A': 10, 'B': 10}, {'A': 15, 'B': 15}, {'A': 20, 'B': 20}, {'A': 25, 'B': 25}]), ('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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 2, 'B': 7}, {'A': 4, 'B': 14}, {'A': 6, 'B': 21}, {'A': 8, 'B': 28}, {'A': 10, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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))['freeze-supply-increase'], 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
supply frozen{'A': 5, 'B': 7}{'A': 5, 'B': 5}Failed
amendment approved / supply frozen{'A': 5, 'B': 7}{'A': 5, 'B': 5}Failed
normal contract{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
amendment approved{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
below awarded supply{'A': 2, 'B': 7}{'A': 2, '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': 5, 'B': 7}{'A': 5, 'B': 7}Passed
wrong actor{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
all withdrawn{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed

SHA-256 / 0253cf64bca510f11a69609fca2c8e0e89c2d4b4162a8f31a06663e96341197f

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 = x["old"] if x["frozen"] else x["new"]
    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 = [('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': 5, 'B': 5}, {'A': 10, 'B': 10}, {'A': 15, 'B': 15}, {'A': 20, 'B': 20}, {'A': 25, 'B': 25}]), ('amendment approved / 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': 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': 5, 'B': 5}, {'A': 10, 'B': 10}, {'A': 15, 'B': 15}, {'A': 20, 'B': 20}, {'A': 25, 'B': 25}]), ('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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 2, 'B': 7}, {'A': 4, 'B': 14}, {'A': 6, 'B': 21}, {'A': 8, 'B': 28}, {'A': 10, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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))['freeze-supply-increase'], 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
supply frozen{'A': 8, 'B': 5}{'A': 5, 'B': 5}Failed
amendment approved / supply frozen{'A': 8, 'B': 5}{'A': 5, 'B': 5}Failed
normal contract{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
amendment approved{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
below awarded supply{'A': 2, 'B': 7}{'A': 2, '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': 5, 'B': 7}{'A': 5, 'B': 7}Passed
wrong actor{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
all withdrawn{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed

SHA-256 / fe5d6ed353d604e84dd1e0c30d8b5def55252ac986f3fe0831b68fdd1dfd5e07

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 = [('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': 5, 'B': 5}, {'A': 10, 'B': 10}, {'A': 15, 'B': 15}, {'A': 20, 'B': 20}, {'A': 25, 'B': 25}]), ('amendment approved / 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': 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': 5, 'B': 5}, {'A': 10, 'B': 10}, {'A': 15, 'B': 15}, {'A': 20, 'B': 20}, {'A': 25, 'B': 25}]), ('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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 2, 'B': 7}, {'A': 4, 'B': 14}, {'A': 6, 'B': 21}, {'A': 8, 'B': 28}, {'A': 10, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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': 5, 'B': 7}, {'A': 10, 'B': 14}, {'A': 15, 'B': 21}, {'A': 20, 'B': 28}, {'A': 25, '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))['freeze-supply-increase'], 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
supply frozen{'A': 5, 'B': 5}{'A': 5, 'B': 5}Passed
amendment approved / supply frozen{'A': 5, 'B': 5}{'A': 5, 'B': 5}Passed
normal contract{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
amendment approved{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
below awarded supply{'A': 2, 'B': 7}{'A': 2, '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': 5, 'B': 7}{'A': 5, 'B': 7}Passed
wrong actor{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed
all withdrawn{'A': 5, 'B': 7}{'A': 5, 'B': 7}Passed

SHA-256 / 8c159352b87ea21cbdb977ce7f933f4e08d09ff8ad72e1355edc3881647edc6f

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 2026-09-29T14:46:18.956040+00:00.

Case digest / cb826e06a2ba8c14a22c0460d53cdca6fb892477a75152d2cea0213dfc9b186c