SPECIFICATION SafetySpec

CHECK_DEADLOCK TRUE

\* Repeated fencing with delayed outcomes, lease loss, and replacement.
\* MaxAttempts=3 stresses token replacement; fault budgets kept at 1 for TLC size.
CONSTANTS
    Jobs = {j1}
    Workers = {w1, w2}
    InitialWorkers = {w1}
    NoJob = NoJob
    NoWorker = NoWorker
    MaxAttempts = 3
    MaxProgress = 1
    LeaseLimit = 1
    ReservationLimit = 1
    LocalLimit = 1
    GlobalLimit = 1
    FaultsEnabled = TRUE
    FaultServices = {"Coordination"}
    MaxCoordLosses = 1
    MaxPartitions = 1
    MaxCredentialIntents = 0

INVARIANTS
    TypeOK
    StateConsistency
    AllocatedTokensUsed
    LiveProgressWellFormed
    LiveProgressCompatibleWithLiveLease
    AtMostOneLiveLeasePerJob
    AuthorityWellFormed
    CommittedResultConsistent
    CancellationSafety
    PermitSafety
    ResumeValidity
    StagingOwnership
    CredentialLifecycleWellFormed
    NoOrphanSecrets

PROPERTIES
    TerminalStateIsImmutable
    FencingTokensMonotonic
    CommitIsFencedCAS
    FailureDispositionHonored