Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.Class Decomposition (B : BaseParams) (M : MultiParams B) :=
  {
    state_invariant : (name -> data) -> Prop;
    network_invariant : (name -> data) -> packet -> Prop;
    network_network_invariant : packet -> packet -> Prop;

    network_network_invariant_sym :
      forall p1 p2,
        network_network_invariant p1 p2 ->
        network_network_invariant p2 p1 ;

    state_invariant_init : state_invariant init_handlers;

    state_invariant_maintained_input :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        state_invariant (update name_eq_dec sigma h st');
    state_invariant_maintained_deliver :
      forall p sigma st' out ps,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        state_invariant (update name_eq_dec sigma (pDst p) st');

    network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant (update name_eq_dec sigma h st') p;
    network_invariant_maintained_input_new :
      forall h inp sigma st' out ps p,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        In (pDst p, pBody p) ps ->
        pSrc p = h ->
        network_invariant (update name_eq_dec sigma h st') p;

    network_invariant_maintained_deliver_old :
      forall sigma st' out ps p q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        network_invariant (update name_eq_dec sigma (pDst p) st') q;
    network_invariant_maintained_deliver_new :
      forall sigma st' out ps p p',
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_invariant (update name_eq_dec sigma (pDst p) st') p';

    network_network_invariant_maintained_input_old :
      forall h inp sigma st' out ps p p',
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        In (pDst p', pBody p') ps ->
        pSrc p' = h ->
        network_network_invariant p p';

    network_network_invariant_maintained_input_new :
      forall h inp sigma st' out ps,
        input_handlers h inp (sigma h) = (out, st', ps) ->
        state_invariant sigma ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket h (fst m) (snd m)) ps);

    network_network_invariant_maintained_deliver_old :
      forall sigma st' out ps p p' q,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        network_invariant sigma q ->
        network_network_invariant p q ->
        In (pDst p', pBody p') ps ->
        pSrc p' = pDst p ->
        network_network_invariant p' q;

    network_network_invariant_maintained_deliver_new :
      forall sigma st' out ps p,
        net_handlers (pDst p) (pSrc p) (pBody p) (sigma (pDst p)) = (out, st', ps) ->
        state_invariant sigma ->
        network_invariant sigma p ->
        distinct_pairs_and network_network_invariant (map (fun m => mkPacket (pDst p) (fst m) (snd m)) ps)
  }.(* Fixpoint remove_one {A : Type} (A_eq_dec : forall x y : A, {x = y} + {x <> y}) a l :=
    match l with
      | x :: xs => if A_eq_dec a x then xs else x :: remove_one A_eq_dec a xs
      | [] => []
    end. *)

  Definition packet_eq_dec :
    forall p1 p2 : packet,
      {p1 = p2} + {p1 <> p2}.Definition composed_invariant net :=
    (state_invariant (nwState net)) /\
    (forall p, In p (nwPackets net) -> network_invariant (nwState net) p) /\
    (distinct_pairs_and network_network_invariant (nwPackets net)).

Lemma distinct_pairs_and_app_cons : forall A R xs p ys l, l = (xs ++ p :: ys) -> distinct_pairs_and (A:=A) R l -> distinct_pairs_and R (xs ++ ys).