(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS f1)) (VAR A B) (RULES f1(A, B) -> Com_1(f3(A, A)) [ A >= 1 ] f3(A, B) -> Com_1(f3(A, B - 1)) [ A - B >= 0 /\ A - 1 >= 0 /\ B >= 1 ] f3(A, B) -> Com_1(f3(A - 1, A - 1)) [ A - B >= 0 /\ A - 1 >= 0 /\ 0 >= B /\ A >= 2 ] )