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FA-56686 / Auction allocation rules / Open access

Proxy instructions: closed auction trigger · case 01

Trigger routing continues proxy offers after auction closure.

Verified by executionVariant 1 · 11 checks per implementationDownload source bundle ↓JSON ↗

ROOT CAUSE

Trigger routing continues proxy offers after auction closure.

THE FAILURE

Trigger routing continues proxy offers after auction closure.

Unsuccessful approach: The attempted repair uses [t for t in x["triggers"] if t in x["allowed"]]; the explicit regression cases demonstrate that this still violates the stipulated auction rule.

Case contract

A bidder authorizes a bounded proxy to submit offers for a specific lot. A proxy instruction specifies a price ceiling, per-step increment, remaining quantity, owner consent and a one-use trigger token. Outputs are actionable submissions, not an optimal bidding strategy. Named decision closed-auction-trigger: For closed auction trigger, apply the stipulated decision [t for t in x["triggers"] if t in x["allowed"]] if x["auction_open"] else [].

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 = min(x["ceiling"],x["current"]+x["increment"])
    v1 = x["current"]<x["ceiling"] and x["increment"]>0
    v2 = max(0,x["quantity"]-x["filled"])
    v3 = x["enabled"] and not x["owner_present"]
    v4 = [] if x["token"]==x["last_token"] else [x["lot"]]
    v5 = x["lot"] in x["authorized_lots"]
    v6 = x["enabled"] and not x["suspended"]
    v7 = x["manual_price"] if x["manual_active"] else x["current"]
    v8 = min(max(0,x["quantity"]-x["filled"]),x["credit"]//max(1,x["unit_hold"]))
    v9 = x["triggers"] if x["auction_open"] else []
    return {'bounded-next-offer':v0,'ceiling-exhaustion':v1,'remaining-proxy-size':v2,'manual-control-handoff':v3,'one-trigger-submission':v4,'lot-mandate':v5,'suspension-resume':v6,'manual-price-precedence':v7,'proxy-collateral-size':v8,'closed-auction-trigger':v9}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('normal contract', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('ceiling reached', {'current': 16, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('auction closed', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': False}, [[], [], [], [], []]), ('ceiling reached / auction closed', {'current': 16, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': False}, [[], [], [], [], []]), ('step exceeds ceiling', {'current': 15, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('disabled instruction', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': False, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('owner controls bid', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': True, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('token replay', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't1', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('wrong lot', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'B', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('suspended', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': True, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('manual override absent', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': False, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']])]
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))['closed-auction-trigger'], 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['outbid', 'outbid', 'price']['outbid', 'outbid']Failed
ceiling reached['outbid', 'outbid', 'price']['outbid', 'outbid']Failed
auction closed[][]Passed
ceiling reached / auction closed[][]Passed
step exceeds ceiling['outbid', 'outbid', 'price']['outbid', 'outbid']Failed
disabled instruction['outbid', 'outbid', 'price']['outbid', 'outbid']Failed
owner controls bid['outbid', 'outbid', 'price']['outbid', 'outbid']Failed
token replay['outbid', 'outbid', 'price']['outbid', 'outbid']Failed
wrong lot['outbid', 'outbid', 'price']['outbid', 'outbid']Failed
suspended['outbid', 'outbid', 'price']['outbid', 'outbid']Failed
manual override absent['outbid', 'outbid', 'price']['outbid', 'outbid']Failed

SHA-256 / 21980704c79b02f894dcf01937946d31c77c6fc963a1e973c03eb3e3435a6645

2 / The unsuccessful fix

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

N = 1
observations = []
def solve(x):
    v0 = min(x["ceiling"],x["current"]+x["increment"])
    v1 = x["current"]<x["ceiling"] and x["increment"]>0
    v2 = max(0,x["quantity"]-x["filled"])
    v3 = x["enabled"] and not x["owner_present"]
    v4 = [] if x["token"]==x["last_token"] else [x["lot"]]
    v5 = x["lot"] in x["authorized_lots"]
    v6 = x["enabled"] and not x["suspended"]
    v7 = x["manual_price"] if x["manual_active"] else x["current"]
    v8 = min(max(0,x["quantity"]-x["filled"]),x["credit"]//max(1,x["unit_hold"]))
    v9 = [t for t in x["triggers"] if t in x["allowed"]]
    return {'bounded-next-offer':v0,'ceiling-exhaustion':v1,'remaining-proxy-size':v2,'manual-control-handoff':v3,'one-trigger-submission':v4,'lot-mandate':v5,'suspension-resume':v6,'manual-price-precedence':v7,'proxy-collateral-size':v8,'closed-auction-trigger':v9}
def check(label, actual, expected):
    observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
fixtures = [('normal contract', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('ceiling reached', {'current': 16, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('auction closed', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': False}, [[], [], [], [], []]), ('ceiling reached / auction closed', {'current': 16, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': False}, [[], [], [], [], []]), ('step exceeds ceiling', {'current': 15, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('disabled instruction', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': False, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('owner controls bid', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': True, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('token replay', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't1', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('wrong lot', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'B', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('suspended', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': True, 'manual_price': 12, 'manual_active': True, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']]), ('manual override absent', {'current': 10, 'ceiling': 16, 'increment': 3, 'quantity': 5, 'filled': 2, 'enabled': True, 'owner_present': False, 'token': 't2', 'last_token': 't1', 'lot': 'A', 'authorized_lots': ['A'], 'suspended': False, 'manual_price': 12, 'manual_active': False, 'credit': 100, 'unit_hold': 8, 'triggers': ['outbid', 'outbid', 'price'], 'allowed': ['outbid'], 'auction_open': True}, [['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid'], ['outbid', 'outbid']])]
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))['closed-auction-trigger'], 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['outbid', 'outbid']['outbid', 'outbid']Passed
ceiling reached['outbid', 'outbid']['outbid', 'outbid']Passed
auction closed['outbid', 'outbid'][]Failed
ceiling reached / auction closed['outbid', 'outbid'][]Failed
step exceeds ceiling['outbid', 'outbid']['outbid', 'outbid']Passed
disabled instruction['outbid', 'outbid']['outbid', 'outbid']Passed
owner controls bid['outbid', 'outbid']['outbid', 'outbid']Passed
token replay['outbid', 'outbid']['outbid', 'outbid']Passed
wrong lot['outbid', 'outbid']['outbid', 'outbid']Passed
suspended['outbid', 'outbid']['outbid', 'outbid']Passed
manual override absent['outbid', 'outbid']['outbid', 'outbid']Passed

SHA-256 / 57baeec9ed187e62a670f0cbd494a1c9443ca150cef822dfacfb80c63514ba4d

HELD IN THE MEMBER ARCHIVE

The verified repair and its recorded checks are member-only.

This mechanism has 11 recorded checks per implementation. The open-access tier publishes the failure and the unsuccessful fix; the repaired source that passes every check, and the observations that prove it, are available to members.

Every case sharing this mechanism uses the same contract and the same repair, so this one record is held back for all of them.

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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 2026-09-29T14:46:09.568987+00:00.

Case digest / 06ec6746553640c2e5e676a0676ec3a56786f93ba70ef5adba162c3b04204635