SPECIFICATION QueueSpec
CONSTANTS
    Mode = "Unordered"
    GoalBound = 1
    EditBound = 2
    StampBound = 0
    TurnBound = 1
    FailBound = 1
INVARIANTS TypeOK AutoProvenance SuccessReset FailureEvidence NoEarlyResume UsageEvidence StopCancels HumanStops
PROPERTIES QueueProgress
CHECK_DEADLOCK FALSE