Understand the failure.
Verify the repair.
Small, reproducible software failures. The broken implementation, the fix that didn’t work, and the one that passed—preserved together.
Explore the cases ↓How results are verified ↗WHAT THE ARCHIVE CONTAINS
100840 executable cases. 20168 are open.
Every case records the implementation that fails, the fix that did not work, and the repair that passed its checks—with recorded outputs and source hashes. This release adds 100840 cases across 20168 failure mechanisms and 254 domains.
The open tier gives you the failure and the unsuccessful fix for one case in every mechanism. The remaining 80672 cases, 5 variants per mechanism, are member-only: the verified repair, its recorded checks, and the full fixture suite are held in the member archive. Read the methodology ↗
A RECORD OF WHAT WENT WRONG
Browse the archive / 100840
Award forfeiture: alternate offer expiry · case 01
Alternate acceptance uses the original bidder deadline.
Award forfeiture: alternate offer expiry · case 02
Alternate acceptance uses the original bidder deadline.
Award forfeiture: alternate offer expiry · case 03
Alternate acceptance uses the original bidder deadline.
Award forfeiture: alternate offer expiry · case 04
Alternate acceptance uses the original bidder deadline.
Award forfeiture: alternate offer expiry · case 05
Alternate acceptance uses the original bidder deadline.
Award forfeiture: alternate disqualification · case 01
A banned or unqualified alternate receives the re-award.
Award forfeiture: alternate disqualification · case 02
A banned or unqualified alternate receives the re-award.
Award forfeiture: alternate disqualification · case 03
A banned or unqualified alternate receives the re-award.
Award forfeiture: alternate disqualification · case 04
A banned or unqualified alternate receives the re-award.
Award forfeiture: alternate disqualification · case 05
A banned or unqualified alternate receives the re-award.
Award forfeiture: affirmative alternate consent · case 01
A provisional alternate becomes owner before affirmative acceptance.
Award forfeiture: affirmative alternate consent · case 02
A provisional alternate becomes owner before affirmative acceptance.
Award forfeiture: affirmative alternate consent · case 03
A provisional alternate becomes owner before affirmative acceptance.
Award forfeiture: affirmative alternate consent · case 04
A provisional alternate becomes owner before affirmative acceptance.
Award forfeiture: affirmative alternate consent · case 05
A provisional alternate becomes owner before affirmative acceptance.
Award forfeiture: escrow forfeit ceiling · case 01
Forfeiture seizes more escrow than held or more than stipulated penalty.
Award forfeiture: escrow forfeit ceiling · case 02
Forfeiture seizes more escrow than held or more than stipulated penalty.
Award forfeiture: escrow forfeit ceiling · case 03
Forfeiture seizes more escrow than held or more than stipulated penalty.
Award forfeiture: escrow forfeit ceiling · case 04
Forfeiture seizes more escrow than held or more than stipulated penalty.
Award forfeiture: escrow forfeit ceiling · case 05
Forfeiture seizes more escrow than held or more than stipulated penalty.
Award forfeiture: escrow residue · case 01
Alternate payment is confused with the original bidder refundable escrow residue.
Award forfeiture: escrow residue · case 02
Alternate payment is confused with the original bidder refundable escrow residue.
Award forfeiture: escrow residue · case 03
Alternate payment is confused with the original bidder refundable escrow residue.
Award forfeiture: escrow residue · case 04
Alternate payment is confused with the original bidder refundable escrow residue.
Award forfeiture: escrow residue · case 05
Alternate payment is confused with the original bidder refundable escrow residue.
Award forfeiture: ownership transfer gate · case 01
Ownership switches on alternate offer rather than accepted consensual transfer.
Award forfeiture: ownership transfer gate · case 02
Ownership switches on alternate offer rather than accepted consensual transfer.
Award forfeiture: ownership transfer gate · case 03
Ownership switches on alternate offer rather than accepted consensual transfer.
Award forfeiture: ownership transfer gate · case 04
Ownership switches on alternate offer rather than accepted consensual transfer.
Award forfeiture: ownership transfer gate · case 05
Ownership switches on alternate offer rather than accepted consensual transfer.
Award forfeiture: declined alternate skip · case 01
Exhausted alternates fall back to a bidder who already declined.
Award forfeiture: declined alternate skip · case 02
Exhausted alternates fall back to a bidder who already declined.
Award forfeiture: declined alternate skip · case 03
Exhausted alternates fall back to a bidder who already declined.
Award forfeiture: declined alternate skip · case 04
Exhausted alternates fall back to a bidder who already declined.
Award forfeiture: declined alternate skip · case 05
Exhausted alternates fall back to a bidder who already declined.
Award forfeiture: resale payment recognition · case 01
An unaccepted alternate offer is booked as realized resale proceeds.
Award forfeiture: resale payment recognition · case 02
An unaccepted alternate offer is booked as realized resale proceeds.
Award forfeiture: resale payment recognition · case 03
An unaccepted alternate offer is booked as realized resale proceeds.
Award forfeiture: resale payment recognition · case 04
An unaccepted alternate offer is booked as realized resale proceeds.
Award forfeiture: resale payment recognition · case 05
An unaccepted alternate offer is booked as realized resale proceeds.
Deposit admission: cleared admission · case 01
Pending deposit transfers are counted as cleared collateral.
Deposit admission: cleared admission · case 02
Pending deposit transfers are counted as cleared collateral.
Deposit admission: cleared admission · case 03
Pending deposit transfers are counted as cleared collateral.
Deposit admission: cleared admission · case 04
Pending deposit transfers are counted as cleared collateral.
Deposit admission: cleared admission · case 05
Pending deposit transfers are counted as cleared collateral.
Deposit admission: restricted tranche · case 01
Restricted deposit tranches are available to a new award.
Deposit admission: restricted tranche · case 02
Restricted deposit tranches are available to a new award.
Deposit admission: restricted tranche · case 03
Restricted deposit tranches are available to a new award.
Deposit admission: restricted tranche · case 04
Restricted deposit tranches are available to a new award.
Deposit admission: restricted tranche · case 05
Restricted deposit tranches are available to a new award.
Deposit admission: deposit waiver admission · case 01
A valid deposit waiver does not satisfy admission.
Deposit admission: deposit waiver admission · case 02
A valid deposit waiver does not satisfy admission.
Deposit admission: deposit waiver admission · case 03
A valid deposit waiver does not satisfy admission.
Deposit admission: deposit waiver admission · case 04
A valid deposit waiver does not satisfy admission.
Deposit admission: deposit waiver admission · case 05
A valid deposit waiver does not satisfy admission.
Deposit admission: auction scope · case 01
A deposit for a different auction is assigned to this auction balance.
Deposit admission: auction scope · case 02
A deposit for a different auction is assigned to this auction balance.
Deposit admission: auction scope · case 03
A deposit for a different auction is assigned to this auction balance.
Deposit admission: auction scope · case 04
A deposit for a different auction is assigned to this auction balance.
Deposit admission: auction scope · case 05
A deposit for a different auction is assigned to this auction balance.
Deposit admission: denomination scope · case 01
A nominally sufficient deposit bypasses denomination validation.
Deposit admission: denomination scope · case 02
A nominally sufficient deposit bypasses denomination validation.
Deposit admission: denomination scope · case 03
A nominally sufficient deposit bypasses denomination validation.
Deposit admission: denomination scope · case 04
A nominally sufficient deposit bypasses denomination validation.
Deposit admission: denomination scope · case 05
A nominally sufficient deposit bypasses denomination validation.
Deposit admission: chargeback recovery · case 01
Chargeback reversal leaves admission collateral overstated or negative.
Deposit admission: chargeback recovery · case 02
Chargeback reversal leaves admission collateral overstated or negative.
Deposit admission: chargeback recovery · case 03
Chargeback reversal leaves admission collateral overstated or negative.
Deposit admission: chargeback recovery · case 04
Chargeback reversal leaves admission collateral overstated or negative.
Deposit admission: chargeback recovery · case 05
Chargeback reversal leaves admission collateral overstated or negative.
Deposit admission: withdrawable deposit · case 01
Collateral locked to awards is withdrawn as free deposit.
Deposit admission: withdrawable deposit · case 02
Collateral locked to awards is withdrawn as free deposit.
Deposit admission: withdrawable deposit · case 03
Collateral locked to awards is withdrawn as free deposit.
Deposit admission: withdrawable deposit · case 04
Collateral locked to awards is withdrawn as free deposit.
Deposit admission: withdrawable deposit · case 05
Collateral locked to awards is withdrawn as free deposit.
Deposit admission: beneficial owner · case 01
Third-party beneficiary deposits satisfy bidder-owned collateral checks.
Deposit admission: beneficial owner · case 02
Third-party beneficiary deposits satisfy bidder-owned collateral checks.
Deposit admission: beneficial owner · case 03
Third-party beneficiary deposits satisfy bidder-owned collateral checks.
Deposit admission: beneficial owner · case 04
Third-party beneficiary deposits satisfy bidder-owned collateral checks.
Deposit admission: beneficial owner · case 05
Third-party beneficiary deposits satisfy bidder-owned collateral checks.
Deposit admission: topup posting · case 01
Topups restore an expired deposit or post before confirmation.
Deposit admission: topup posting · case 02
Topups restore an expired deposit or post before confirmation.
Deposit admission: topup posting · case 03
Topups restore an expired deposit or post before confirmation.
Deposit admission: topup posting · case 04
Topups restore an expired deposit or post before confirmation.
Deposit admission: topup posting · case 05
Topups restore an expired deposit or post before confirmation.
Deposit admission: refund available ceiling · case 01
A deposit refund consumes award-locked collateral.
Deposit admission: refund available ceiling · case 02
A deposit refund consumes award-locked collateral.
Deposit admission: refund available ceiling · case 03
A deposit refund consumes award-locked collateral.
Deposit admission: refund available ceiling · case 04
A deposit refund consumes award-locked collateral.
Deposit admission: refund available ceiling · case 05
A deposit refund consumes award-locked collateral.
Delivery acceptance: inspectable units · case 01
Inspection credits units still in transit.
Delivery acceptance: inspectable units · case 02
Inspection credits units still in transit.
Delivery acceptance: inspectable units · case 03
Inspection credits units still in transit.
Delivery acceptance: inspectable units · case 04
Inspection credits units still in transit.
Delivery acceptance: inspectable units · case 05
Inspection credits units still in transit.
Delivery acceptance: accepted unit count · case 01
Uninspected or rejected units become accepted award fulfillment.
Delivery acceptance: accepted unit count · case 02
Uninspected or rejected units become accepted award fulfillment.
Delivery acceptance: accepted unit count · case 03
Uninspected or rejected units become accepted award fulfillment.
Delivery acceptance: accepted unit count · case 04
Uninspected or rejected units become accepted award fulfillment.
Delivery acceptance: accepted unit count · case 05
Uninspected or rejected units become accepted award fulfillment.
INSPECTABLE BY DESIGN
Every result has a runnable source.
Runnable implementations with recorded outputs, source hashes, and explicit contracts. Related variants share a failure mechanism and belong together in evaluation splits.
Read the methodology ↗