; @xtcfilename "./TRS_Relative/INVY_15/#3.23_rand.xml"
(format TRS)
(fun s 1)
(fun f 2)
(fun |0| 0)
(fun rand 1)
(rule (f |0| y) |0|)
(rule (f (s x) y) (f (f x y) y))
(rule (rand x) x :cost 0)
(rule (rand x) (rand (s x)) :cost 0)