Inductive structured_match_callstack mu (m: mem) (tm: mem):
                          callstack -> Values.block -> Values.block -> Prop :=
  | st_mcs_nil:
      forall hi bound tbound,
      match_globalenvs prog (restrict (as_inj mu) (vis mu)) hi ->
      Ple hi bound -> Ple hi tbound ->
      structured_match_callstack mu m tm nil bound tbound
  | st_mcs_cons:
      forall cenv tf e le te sp lo hi cs bound tbound
        (BOUND: Ple hi bound)
        (TBOUND: Plt sp tbound)
        (MTMP: match_temps (restrict (as_inj mu) (vis mu)) le te)
        (MENV: match_env (restrict (as_inj mu) (vis mu)) cenv e sp lo hi)
        (BOUND: match_bounds e m)
        (PERM: padding_freeable (restrict (as_inj mu) (vis mu)) e tm sp tf.(fn_stackspace))
        (SPlocal: locBlocksTgt mu sp = true) (*NEW*)

        (*LENB: Here is the condition me_incr from match_env above,
           but we assert it on the entire as_inj mu*)
        (ME_INCR: forall b tb delta,
               (as_inj mu) b = Some(tb, delta) -> Plt b lo -> Plt tb sp)
        (MCS: structured_match_callstack mu m tm cs lo sp),
      structured_match_callstack mu m tm (Frame cenv tf e le te sp lo hi :: cs) bound tbound.Inductive structured_match_callstack mu (m: mem) (tm: mem):
                          callstack -> Values.block -> Values.block -> Prop :=
  | st_mcs_nil:
      forall hi bound tbound,
      match_globalenvs prog (restrict (as_inj mu) (vis mu)) hi ->
      Ple hi bound -> Ple hi tbound ->
      structured_match_callstack mu m tm nil bound tbound
  | st_mcs_cons:
      forall cenv tf e le te sp lo hi cs bound tbound
        (BOUND: Ple hi bound)
        (TBOUND: Plt sp tbound)
        (MTMP: match_temps (restrict (as_inj mu) (vis mu)) le te)
        (MENV: match_env (restrict (as_inj mu) (vis mu)) cenv e sp lo hi)
        (BOUND: match_bounds e m)
        (PERM: padding_freeable (restrict (as_inj mu) (vis mu)) e tm sp tf.(fn_stackspace))
        (SPlocal: locBlocksTgt mu sp = true) (*NEW*)

        (*LENB: Here is the condition me_incr from match_env above,
           but we assert it on the entire as_inj mu*)
        (ME_INCR: forall b tb delta,
               (as_inj mu) b = Some(tb, delta) -> Plt b lo -> Plt tb sp)
        (MCS: structured_match_callstack mu m tm cs lo sp),
      structured_match_callstack mu m tm (Frame cenv tf e le te sp lo hi :: cs) bound tbound.Inductive structured_match_callstack mu (m: mem) (tm: mem):
                          callstack -> Values.block -> Values.block -> Prop :=
  | st_mcs_nil:
      forall hi bound tbound,
      match_globalenvs prog (restrict (as_inj mu) (vis mu)) hi ->
      Ple hi bound -> Ple hi tbound ->
      structured_match_callstack mu m tm nil bound tbound
  | st_mcs_cons:
      forall cenv tf e le te sp lo hi cs bound tbound
        (BOUND: Ple hi bound)
        (TBOUND: Plt sp tbound)
        (MTMP: match_temps (restrict (as_inj mu) (vis mu)) le te)
        (MENV: match_env (restrict (as_inj mu) (vis mu)) cenv e sp lo hi)
        (BOUND: match_bounds e m)
        (PERM: padding_freeable (restrict (as_inj mu) (vis mu)) e tm sp tf.(fn_stackspace))
        (SPlocal: locBlocksTgt mu sp = true) (*NEW*)

        (*LENB: Here is the condition me_incr from match_env above,
           but we assert it on the entire as_inj mu*)
        (ME_INCR: forall b tb delta,
               (as_inj mu) b = Some(tb, delta) -> Plt b lo -> Plt tb sp)
        (MCS: structured_match_callstack mu m tm cs lo sp),
      structured_match_callstack mu m tm (Frame cenv tf e le te sp lo hi :: cs) bound tbound.

Lemma structured_match_callstack_intern_invariant: forall f1 m1 tm1 f2 m2 tm2 cs bound tbound (WD1: SM_wd f1) (WD2: SM_wd f2), intern_incr f1 f2 -> structured_match_callstack f1 m1 tm1 cs bound tbound -> (forall b ofs p, Plt b bound -> Mem.perm m2 b ofs Max p -> Mem.perm m1 b ofs Max p) -> (forall sp ofs, Plt sp tbound -> Mem.perm tm1 sp ofs Cur Freeable -> Mem.perm tm2 sp ofs Cur Freeable) -> (forall b, Plt b bound -> (as_inj f2) b = (as_inj f1) b) -> (forall b b' delta, (as_inj f2) b = Some(b', delta) -> Plt b' tbound -> (as_inj f1) b = Some(b', delta)) -> structured_match_callstack f2 m2 tm2 cs bound tbound.