(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS f3)) (VAR A B C) (RULES f3(A,B) -> Com_1(f0(2,B)) f0(A,B) -> Com_1(f0(A + 1,C)) :|: C >= 1 f0(A,B) -> Com_1(f0(A - 1,C)) :|: 0 >= C )