(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS f3)) (VAR A B C D E F) (RULES f2(A, B, C, D, E, F) -> Com_1(f4(A, B, C, D, E, H)) [ B >= 1 /\ 0 >= A ] f2(A, B, C, D, E, F) -> Com_1(f4(A, G, C, D, E, H)) [ 0 >= B /\ 0 >= G ] f3(A, B, C, D, E, F) -> Com_1(f2(A, B, C, D, E, F)) f2(A, B, C, D, E, F) -> Com_1(f2(A - 1, B - 1, A, B, A - 2, F)) [ A >= 1 /\ B >= 1 ] )