Section ST.
Context {B : BaseParams}.
Context {M : MultiParams B}.
Context {F : FailureParams M}.
Variable R : network -> list (name * (input + list output)) -> Prop.
Variable T : list (name * (input + list output)) -> Prop.
Hypothesis T_snoc_inv : forall ev tr, T (tr ++ [ev]) -> T tr.
Hypothesis RT_init : T [] -> R step_async_init [].
Definition RT_deliver : Prop :=
forall net failed tr xs p ys out d l,
step_failure_star step_failure_init (failed, net) tr ->
T tr ->
R net tr ->
nwPackets net = xs ++ p :: ys ->
net_handlers (pDst p) (pSrc p) (pBody p) (nwState net (pDst p)) = (out, d, l) ->
R (mkNetwork (send_packets (pDst p) l ++ xs ++ ys)
(update name_eq_dec (nwState net) (pDst p) d))
(tr ++ [(pDst p, inr out)]).
Hypothesis H_RT_deliver : RT_deliver.
Definition RT_input : Prop :=
forall net failed tr h i out d l,
step_failure_star step_failure_init (failed, net) tr ->
T (tr ++ [(h, inl i)]) ->
R net tr ->
input_handlers h i (nwState net h) = (out, d, l) ->
R (mkNetwork (send_packets h l ++ nwPackets net)
(update name_eq_dec (nwState net) h d))
(tr ++ [(h, inl i); (h, inr out)]).
Hypothesis H_RT_input : RT_input.
Definition RT_drop : Prop :=
forall net failed tr xs p ys,
step_failure_star step_failure_init (failed, net) tr ->
T tr ->
R net tr ->
nwPackets net = xs ++ p :: ys ->
R (mkNetwork (xs ++ ys) (nwState net))
tr.
Hypothesis H_RT_drop : RT_drop.
Definition RT_dup : Prop :=
forall net failed tr xs p ys,
step_failure_star step_failure_init (failed, net) tr ->
T tr ->
R net tr ->
nwPackets net = xs ++ p :: ys ->
R (mkNetwork (p :: xs ++ p :: ys) (nwState net))
tr.
Hypothesis H_RT_dup : RT_dup.
Definition RT_reboot : Prop :=
forall net failed tr h,
step_failure_star step_failure_init (failed, net) tr ->
T tr ->
R net tr ->
R (mkNetwork (nwPackets net) (update name_eq_dec (nwState net) h (reboot (nwState net h))))
tr.
Hypothesis H_RT_reboot : RT_reboot.

(* Specifications: *)
Lemma state_trace_invariant_invariant :
forall failed net tr,
step_failure_star step_failure_init (failed, net) tr ->
T tr ->
R net tr.