(*      semax vars G (fun s => call P (map s vars)) f -> *)
Definition program_proved (p: program) :=
exists G, semax_func G p G
/\ table_get G 0 = Some  (0::nil, lift1 allocpool (eval (Var 0))).

Axiom semax_store: forall x y v c vars G (P: assert),
expcheck vars x = true ->
expcheck vars y = true ->
semax vars G (lift2 mapsto (eval x) (eval y) * P) c ->
semax vars G (lift2 mapsto (eval x) (lift0 v)  * P)  (Do Mem x  := y ; c).