Instance raft_params : RaftParams VarD.vard_base_params :=
    raft_params n.Instance base_params : BaseParams :=
    vard_raft_base_params n.Instance multi_params : MultiParams _ :=
    vard_raft_multi_params n.Instance failure_params : FailureParams _ :=
    vard_raft_failure_params n.

Theorem vard_raft_linearizable : forall failed net tr, input_correct tr -> step_failure_star step_failure_init (failed, net) tr -> exists l tr1 st, equivalent _ (import tr) l /\ exported (get_input tr) (get_output tr) l tr1 /\ step_1_star init st tr1.