# Cook/Podelski/Rybalchenko: Termination Proofs for Systems Code (PLDI 2006)
(VAR x y z)
(RULES
eval(x, y, z) -> eval(x + 1, y, z) :|: y > x && z > x
eval(x, y, z) -> eval(x, y, z + 1) :|: y > x && x >= z
)