Hint Resolve tree_rep_valid_pointer: valid_pointer.

(* Specifications: *)
Lemma treebox_rep_saturate_local:
forall t b, treebox_rep t b |-- !! field_compatible (tptr t_struct_tree) [] b.
Lemma treebox_rep_saturate_local:
forall t b, treebox_rep t b |-- !! field_compatible (tptr t_struct_tree) [] b.
Lemma treebox_rep_saturate_local:
forall t b, treebox_rep t b |-- !! field_compatible (tptr t_struct_tree) [] b.