; @xtcfilename "./TRS_Relative/INVY_15/#3.47_rand.xml"
(format TRS)
(fun s 1)
(fun c 1)
(fun f 2)
(fun rand 1)
(rule (f x (c y)) (f x (s (f y y))))
(rule (f (s x) y) (f x (s (c y))))
(rule (rand x) x :cost 0)
(rule (rand x) (rand (s x)) :cost 0)