Goal:
    G : t  HI : invariants  n : Z  x : V.t  y : V.t  xy : lsp x y = None
  ============================
   (False -> exists k : Z, None = Some k /\ n <= k)


DEBUG:Going to execute:
t

Goals:

DEBUG:Going to execute:
easy

Goals:

DEBUG:Going to execute:
easy0 || (solve [ intuition eauto  3 with core terms ])