Instance CompSpecs : compspecs. make_compspecs prog. Defined.
Definition Vprog : varspecs. mk_varspecs prog. Defined.
Local Open Scope assert.
Parameter mem_mgr: globals -> mpred.
Parameter malloc_token': share -> Z -> val -> mpred.
Parameter malloc_token'_valid_pointer: forall sh sz p, malloc_token' sh sz p |-- valid_pointer p.

Axiom make_mem_mgr: forall gv, emp |-- mem_mgr gv.