(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS start)) (VAR A B) (RULES start(A, B) -> Com_1(f0(A, B)) f0(A, B) -> Com_1(f0(A, A)) [ A >= 1 /\ B = 0 ] f0(A, B) -> Com_1(f0(A, A)) [ 0 >= A + 1 /\ B = 0 ] )