(*Not used - proof that the first preliminary version of effcore_diagram is transitive*)
Goal (*Lemma effdiagram_injinj:*) forall
(core_data12 : Type)
(match_core12 : core_data12 -> SM_Injection -> C1 -> mem -> C2 -> mem -> Prop)
(core_ord12 : core_data12 -> core_data12 -> Prop)
(eff_diagram12 : forall (st1 : C1) (m1 : mem) (st1' : C1) (m1' : mem)
                   (U1 : block -> Z -> bool),
                 effstep Sem1 g1 U1 st1 m1 st1' m1' ->
                 forall (cd : core_data12) (st2 : C2) (mu : SM_Injection)
                   (m2 : mem),
                 match_core12 cd mu st1 m1 st2 m2 ->
                 exists
                   (st2' : C2) (m2' : mem) (cd' : core_data12) (mu' : SM_Injection),
                   intern_incr mu mu' /\
                   sm_inject_separated mu mu' m1 m2 /\
                   sm_locally_allocated mu mu' m1 m2 m1' m2' /\
                   match_core12 cd' mu' st1' m1' st2' m2' /\
                   (exists U2 : block -> Z -> bool,
                      (effstep_plus Sem2 g2 U2 st2 m2 st2' m2' \/
                       (effstep_star Sem2 g2 U2 st2 m2 st2' m2' /\
                        core_ord12 cd' cd))
                    /\ forall b ofs, U2 b ofs = true ->
                         (Mem.valid_block m2 b /\
                           (locBlocksTgt mu b = false ->
                           exists b1 delta1, foreign_of mu b1 = Some(b,delta1) /\
                           Mem.valid_block m1 b1 /\ U1 b1 (ofs-delta1) = true))))
(core_data23 : Type)
(match_core23 : core_data23 -> SM_Injection -> C2 -> mem -> C3 -> mem -> Prop)
(core_ord23 : core_data23 -> core_data23 -> Prop)
(eff_diagram23 : forall (st1 : C2) (m1 : mem) (st1' : C2) (m1' : mem)
                   (U1 : block -> Z -> bool),
                 effstep Sem2 g2 U1 st1 m1 st1' m1' ->
                 forall (cd : core_data23) (st2 : C3) (mu : SM_Injection)
                   (m2 : mem),
                 match_core23 cd mu st1 m1 st2 m2 ->
                 exists
                   (st2' : C3) (m2' : mem) (cd' : core_data23) (mu' : SM_Injection),
                   intern_incr mu mu' /\
                   sm_inject_separated mu mu' m1 m2 /\
                   sm_locally_allocated mu mu' m1 m2 m1' m2' /\
                   match_core23 cd' mu' st1' m1' st2' m2' /\
                   (exists U2 : block -> Z -> bool,
                      (effstep_plus Sem3 g3 U2 st2 m2 st2' m2' \/
                       (effstep_star Sem3 g3 U2 st2 m2 st2' m2' /\
                        core_ord23 cd' cd))
                    /\ forall b ofs, U2 b ofs = true ->
                         (Mem.valid_block m2 b /\
                           (locBlocksTgt mu b = false->
                           exists b1 delta1, foreign_of mu b1 = Some(b,delta1) /\
                           Mem.valid_block m1 b1 /\ U1 b1 (ofs-delta1) = true))))
 (match_sm_wd12 : forall (d : core_data12) (mu : SM_Injection) (c1 : C1)
                  (m1 : mem) (c2 : C2) (m2 : mem),
                match_core12 d mu c1 m1 c2 m2 -> SM_wd mu)
 (match_validblock12 : forall (d : core_data12) (j : SM_Injection) (c1 : C1)
                       (m1 : mem) (c2 : C2) (m2 : mem),
                     match_core12 d j c1 m1 c2 m2 -> sm_valid j m1 m2)
 (match_sm_wd23 : forall (d : core_data23) (mu : SM_Injection) (c1 : C2)
                  (m1 : mem) (c2 : C3) (m2 : mem),
                match_core23 d mu c1 m1 c2 m2 -> SM_wd mu)
 (match_validblock23 : forall (d : core_data23) (j : SM_Injection) (c1 : C2)
                       (m1 : mem) (c2 : C3) (m2 : mem),
                     match_core23 d j c1 m1 c2 m2 -> sm_valid j m1 m2)
 (st1 : C1)
  (m1 : mem)
  (st1' : C1)
  (m1' : mem)
  U1
  (CS1 : effstep Sem1 g1 U1 st1 m1 st1' m1')
  (d12 : core_data12)
  (d23 : core_data23)
  (st3 : C3)
  (m3 : mem)
  (st2 : C2)
  (m2 : mem)
  (mu12 : SM_Injection)
  (mu23 : SM_Injection)
  (INV : locBlocksTgt mu12 = locBlocksSrc mu23 /\
        extBlocksTgt mu12 = extBlocksSrc mu23 /\
        (forall b : block,
         pubBlocksTgt mu12 b = true -> pubBlocksSrc mu23 b = true) /\
        (forall b : block,
         frgnBlocksTgt mu12 b = true -> frgnBlocksSrc mu23 b = true))
  (MC12 : match_core12 d12 mu12 st1 m1 st2 m2)
  (MC23 : match_core23 d23 mu23 st2 m2 st3 m3),
exists
  (st2' : C3) (m2' : mem) (cd' : core_data12 * option C2 * core_data23) (mu' : SM_Injection),
  intern_incr (compose_sm mu12 mu23) mu' /\
  sm_inject_separated (compose_sm mu12 mu23) mu' m1 m3 /\
  sm_locally_allocated (compose_sm mu12 mu23) mu' m1 m3 m1' m2' /\
  (let (y, d2) := cd' in
   let (d1, X) := y in
   exists
     (c0 : C2) (m0 : mem) (mu1 mu2 : SM_Injection),
     X = Some c0 /\
     mu' = compose_sm mu1 mu2 /\
     (locBlocksTgt mu1 = locBlocksSrc mu2 /\
      extBlocksTgt mu1 = extBlocksSrc mu2 /\
      (forall b : block,
       pubBlocksTgt mu1 b = true -> pubBlocksSrc mu2 b = true) /\
      (forall b : block,
       frgnBlocksTgt mu1 b = true -> frgnBlocksSrc mu2 b = true)) /\
     match_core12 d1 mu1 st1' m1' c0 m0 /\ match_core23 d2 mu2 c0 m0 st2' m2') /\
  (exists U3 : block -> Z -> bool,
     (effstep_plus Sem3 g3 U3 st3 m3 st2' m2' \/
      effstep_star Sem3 g3 U3 st3 m3 st2' m2' /\
      clos_trans
        (core_data12 * option C2 * core_data23)
        (sem_compose_ord_eq_eq core_ord12 core_ord23 C2) cd'
        (d12, Some st2, d23)) /\
    (forall b ofs, U3 b ofs = true ->
     (Mem.valid_block m3 b /\
      (locBlocksTgt (compose_sm mu12 mu23) b = false ->
       exists (b1 : block) (delta1 : Z),
         foreign_of (compose_sm mu12 mu23) b1 = Some (b, delta1) /\
         Mem.valid_block m1 b1 /\ U1 b1 (ofs - delta1) = true)))).(*not used - proof that the second preliminary version of effcore_diagram is transitive*)
Goal (*Lemma effdiagram_strong_injinj:*) forall
(core_data12 : Type)
(match_core12 : core_data12 -> SM_Injection -> C1 -> mem -> C2 -> mem -> Prop)
(core_ord12 : core_data12 -> core_data12 -> Prop)
(eff_diagram12 : forall (st1 : C1) (m1 : mem) (st1' : C1) (m1' : mem)
                   (U1 : block -> Z -> bool),
                 effstep Sem1 g1 U1 st1 m1 st1' m1' ->
                 forall (cd : core_data12) (st2 : C2) (mu : SM_Injection)
                   (m2 : mem),
                 (forall b ofs, U1 b ofs = true -> vis mu b = true) ->
                 match_core12 cd mu st1 m1 st2 m2 ->
                 exists
                   (st2' : C2) (m2' : mem) (cd' : core_data12) (mu' : SM_Injection),
                   intern_incr mu mu' /\
                   sm_inject_separated mu mu' m1 m2 /\
                   sm_locally_allocated mu mu' m1 m2 m1' m2' /\
                   match_core12 cd' mu' st1' m1' st2' m2' /\
                   (exists U2 : block -> Z -> bool,
                      (effstep_plus Sem2 g2 U2 st2 m2 st2' m2' \/
                       (effstep_star Sem2 g2 U2 st2 m2 st2' m2' /\
                        core_ord12 cd' cd))
                    (*/\ (forall b ofs, U2 b ofs = true -> Mem.valid_block m2 b)*)
                    /\ (forall b ofs, U2 b ofs = true ->
                           (Mem.valid_block m2 b /\
                           (locBlocksTgt mu b = false ->
                           exists b1 delta1, foreign_of mu b1 = Some(b,delta1) /\
                           U1 b1 (ofs-delta1) = true)))) )
(core_data23 : Type)
(match_core23 : core_data23 -> SM_Injection -> C2 -> mem -> C3 -> mem -> Prop)
(core_ord23 : core_data23 -> core_data23 -> Prop)
(eff_diagram23 : forall (st1 : C2) (m1 : mem) (st1' : C2) (m1' : mem)
                   (U1 : block -> Z -> bool),
                 effstep Sem2 g2 U1 st1 m1 st1' m1' ->
                 forall (cd : core_data23) (st2 : C3) (mu : SM_Injection)
                   (m2 : mem),
                 (forall b ofs, U1 b ofs = true -> vis mu b = true) ->
                 match_core23 cd mu st1 m1 st2 m2 ->
                 exists
                   (st2' : C3) (m2' : mem) (cd' : core_data23) (mu' : SM_Injection),
                   intern_incr mu mu' /\
                   sm_inject_separated mu mu' m1 m2 /\
                   sm_locally_allocated mu mu' m1 m2 m1' m2' /\
                   match_core23 cd' mu' st1' m1' st2' m2' /\
                   (exists U2 : block -> Z -> bool,
                      (effstep_plus Sem3 g3 U2 st2 m2 st2' m2' \/
                       (effstep_star Sem3 g3 U2 st2 m2 st2' m2' /\
                        core_ord23 cd' cd))
                    /\ (forall b ofs, U2 b ofs = true ->
                          (Mem.valid_block m2 b /\
                           (locBlocksTgt mu b = false->
                           exists b1 delta1, foreign_of mu b1 = Some(b,delta1) /\
                           U1 b1 (ofs-delta1) = true)))))
 (match_sm_wd12 : forall (d : core_data12) (mu : SM_Injection) (c1 : C1)
                  (m1 : mem) (c2 : C2) (m2 : mem),
                match_core12 d mu c1 m1 c2 m2 -> SM_wd mu)
 (match_validblock12 : forall (d : core_data12) (j : SM_Injection) (c1 : C1)
                       (m1 : mem) (c2 : C2) (m2 : mem),
                     match_core12 d j c1 m1 c2 m2 -> sm_valid j m1 m2)
 (match_sm_wd23 : forall (d : core_data23) (mu : SM_Injection) (c1 : C2)
                  (m1 : mem) (c2 : C3) (m2 : mem),
                match_core23 d mu c1 m1 c2 m2 -> SM_wd mu)
 (match_validblock23 : forall (d : core_data23) (j : SM_Injection) (c1 : C2)
                       (m1 : mem) (c2 : C3) (m2 : mem),
                     match_core23 d j c1 m1 c2 m2 -> sm_valid j m1 m2)
 (st1 : C1)
  (m1 : mem)
  (st1' : C1)
  (m1' : mem)
  U1
  (CS1 : effstep Sem1 g1 U1 st1 m1 st1' m1')
  (d12 : core_data12)
  (d23 : core_data23)
  (st3 : C3)
  (m3 : mem)
  (st2 : C2)
  (m2 : mem)
  (mu12 : SM_Injection)
  (mu23 : SM_Injection)
  (INV : locBlocksTgt mu12 = locBlocksSrc mu23 /\
        extBlocksTgt mu12 = extBlocksSrc mu23 /\
        (forall b : block,
         pubBlocksTgt mu12 b = true -> pubBlocksSrc mu23 b = true) /\
        (forall b : block,
         frgnBlocksTgt mu12 b = true -> frgnBlocksSrc mu23 b = true))
  (MC12 : match_core12 d12 mu12 st1 m1 st2 m2)
  (MC23 : match_core23 d23 mu23 st2 m2 st3 m3)
  (UHyp : forall b ofs, U1 b ofs = true -> vis (compose_sm mu12 mu23) b = true),
exists
  (st2' : C3) (m2' : mem) (cd' : core_data12 * option C2 * core_data23) (mu' : SM_Injection),
  intern_incr (compose_sm mu12 mu23) mu' /\
  sm_inject_separated (compose_sm mu12 mu23) mu' m1 m3 /\
  sm_locally_allocated (compose_sm mu12 mu23) mu' m1 m3 m1' m2' /\
  (let (y, d2) := cd' in
   let (d1, X) := y in
   exists
     (c0 : C2) (m0 : mem) (mu1 mu2 : SM_Injection),
     X = Some c0 /\
     mu' = compose_sm mu1 mu2 /\
     (locBlocksTgt mu1 = locBlocksSrc mu2/\
      extBlocksTgt mu1 = extBlocksSrc mu2/\
      (forall b : block,
       pubBlocksTgt mu1 b = true -> pubBlocksSrc mu2 b = true) /\
      (forall b : block,
       frgnBlocksTgt mu1 b = true -> frgnBlocksSrc mu2 b = true)) /\
     match_core12 d1 mu1 st1' m1' c0 m0 /\ match_core23 d2 mu2 c0 m0 st2' m2') /\
  (exists U3 : block -> Z -> bool,
     (effstep_plus Sem3 g3 U3 st3 m3 st2' m2' \/
      effstep_star Sem3 g3 U3 st3 m3 st2' m2' /\
      clos_trans
        (core_data12 * option C2 * core_data23)
        (sem_compose_ord_eq_eq core_ord12 core_ord23 C2) cd'
        (d12, Some st2, d23))
    /\ (forall b ofs, U3 b ofs = true ->
         (Mem.valid_block m3 b /\
      (locBlocksTgt (compose_sm mu12 mu23) b = false ->
      exists (b1 : block) (delta1 : Z),
        foreign_of (compose_sm mu12 mu23) b1 = Some (b, delta1) /\
        U1 b1 (ofs - delta1) = true)))).

Lemma effcore_diagram_trans: forall (core_data12 : Type) (match_core12 : core_data12 -> SM_Injection -> C1 -> mem -> C2 -> mem -> Prop) (core_ord12 : core_data12 -> core_data12 -> Prop) (eff_diagram12 : forall (st1 : C1) (m1 : mem) (st1' : C1) (m1' : mem) (U1 : block -> Z -> bool), effstep Sem1 g1 U1 st1 m1 st1' m1' -> forall (cd : core_data12) (st2 : C2) (mu : SM_Injection) (m2 : mem), (forall b ofs, U1 b ofs = true -> Mem.valid_block m1 b -> vis mu b = true) -> match_core12 cd mu st1 m1 st2 m2 -> exists (st2' : C2) (m2' : mem) (cd' : core_data12) (mu' : SM_Injection), intern_incr mu mu' /\ sm_inject_separated mu mu' m1 m2 /\ sm_locally_allocated mu mu' m1 m2 m1' m2' /\ match_core12 cd' mu' st1' m1' st2' m2' /\ (exists U2 : block -> Z -> bool, (effstep_plus Sem2 g2 U2 st2 m2 st2' m2' \/ (effstep_star Sem2 g2 U2 st2 m2 st2' m2' /\ core_ord12 cd' cd)) (*/\ (forall b ofs, U2 b ofs = true -> Mem.valid_block m2 b)*) /\ (forall b ofs, U2 b ofs = true -> (Mem.valid_block m2 b /\ (locBlocksTgt mu b = false -> exists b1 delta1, foreign_of mu b1 = Some(b,delta1) /\ U1 b1 (ofs-delta1) = true /\ Mem.perm m1 b1 (ofs-delta1) Max Nonempty)))) ) (core_data23 : Type) (match_core23 : core_data23 -> SM_Injection -> C2 -> mem -> C3 -> mem -> Prop) (core_ord23 : core_data23 -> core_data23 -> Prop) (eff_diagram23 : forall (st1 : C2) (m1 : mem) (st1' : C2) (m1' : mem) (U1 : block -> Z -> bool), effstep Sem2 g2 U1 st1 m1 st1' m1' -> forall (cd : core_data23) (st2 : C3) (mu : SM_Injection) (m2 : mem), (forall b ofs, U1 b ofs = true -> Mem.valid_block m1 b -> vis mu b = true) -> match_core23 cd mu st1 m1 st2 m2 -> exists (st2' : C3) (m2' : mem) (cd' : core_data23) (mu' : SM_Injection), intern_incr mu mu' /\ sm_inject_separated mu mu' m1 m2 /\ sm_locally_allocated mu mu' m1 m2 m1' m2' /\ match_core23 cd' mu' st1' m1' st2' m2' /\ (exists U2 : block -> Z -> bool, (effstep_plus Sem3 g3 U2 st2 m2 st2' m2' \/ (effstep_star Sem3 g3 U2 st2 m2 st2' m2' /\ core_ord23 cd' cd)) /\ (forall b ofs, U2 b ofs = true -> (Mem.valid_block m2 b /\ (locBlocksTgt mu b = false-> exists b1 delta1, foreign_of mu b1 = Some(b,delta1) /\ U1 b1 (ofs-delta1) = true /\ Mem.perm m1 b1 (ofs-delta1) Max Nonempty))))) (match_sm_wd12 : forall (d : core_data12) (mu : SM_Injection) (c1 : C1) (m1 : mem) (c2 : C2) (m2 : mem), match_core12 d mu c1 m1 c2 m2 -> SM_wd mu) (match_validblock12 : forall (d : core_data12) (j : SM_Injection) (c1 : C1) (m1 : mem) (c2 : C2) (m2 : mem), match_core12 d j c1 m1 c2 m2 -> sm_valid j m1 m2) (match_sm_wd23 : forall (d : core_data23) (mu : SM_Injection) (c1 : C2) (m1 : mem) (c2 : C3) (m2 : mem), match_core23 d mu c1 m1 c2 m2 -> SM_wd mu) (match_validblock23 : forall (d : core_data23) (j : SM_Injection) (c1 : C2) (m1 : mem) (c2 : C3) (m2 : mem), match_core23 d j c1 m1 c2 m2 -> sm_valid j m1 m2) (st1 : C1) (m1 : mem) (st1' : C1) (m1' : mem) U1 (CS1 : effstep Sem1 g1 U1 st1 m1 st1' m1') (d12 : core_data12) (d23 : core_data23) (st3 : C3) (m3 : mem) (st2 : C2) (m2 : mem) (mu12 : SM_Injection) (mu23 : SM_Injection) (INV : locBlocksTgt mu12 = locBlocksSrc mu23 /\ extBlocksTgt mu12 = extBlocksSrc mu23 /\ (forall b : block, pubBlocksTgt mu12 b = true -> pubBlocksSrc mu23 b = true) /\ (forall b : block, frgnBlocksTgt mu12 b = true -> frgnBlocksSrc mu23 b = true)) (MC12 : match_core12 d12 mu12 st1 m1 st2 m2) (MC23 : match_core23 d23 mu23 st2 m2 st3 m3) (UHyp : forall b ofs, U1 b ofs = true -> Mem.valid_block m1 b -> vis (compose_sm mu12 mu23) b = true), exists (st2' : C3) (m2' : mem) (cd' : core_data12 * option C2 * core_data23) (mu' : SM_Injection), intern_incr (compose_sm mu12 mu23) mu' /\ sm_inject_separated (compose_sm mu12 mu23) mu' m1 m3 /\ sm_locally_allocated (compose_sm mu12 mu23) mu' m1 m3 m1' m2' /\ (let (y, d2) := cd' in let (d1, X) := y in exists (c0 : C2) (m0 : mem) (mu1 mu2 : SM_Injection), X = Some c0 /\ mu' = compose_sm mu1 mu2 /\ (locBlocksTgt mu1 = locBlocksSrc mu2/\ extBlocksTgt mu1 = extBlocksSrc mu2/\ (forall b : block, pubBlocksTgt mu1 b = true -> pubBlocksSrc mu2 b = true) /\ (forall b : block, frgnBlocksTgt mu1 b = true -> frgnBlocksSrc mu2 b = true)) /\ match_core12 d1 mu1 st1' m1' c0 m0 /\ match_core23 d2 mu2 c0 m0 st2' m2') /\ (exists U3 : block -> Z -> bool, (effstep_plus Sem3 g3 U3 st3 m3 st2' m2' \/ effstep_star Sem3 g3 U3 st3 m3 st2' m2' /\ clos_trans (core_data12 * option C2 * core_data23) (sem_compose_ord_eq_eq core_ord12 core_ord23 C2) cd' (d12, Some st2, d23)) /\ (forall b ofs, U3 b ofs = true -> (Mem.valid_block m3 b /\ (locBlocksTgt (compose_sm mu12 mu23) b = false -> exists (b1 : block) (delta1 : Z), foreign_of (compose_sm mu12 mu23) b1 = Some (b, delta1) /\ U1 b1 (ofs - delta1) = true /\ Mem.perm m1 b1 (ofs-delta1) Max Nonempty)))).