(GOAL COMPLEXITY)
(STARTTERM (FUNCTIONSYMBOLS f0))
(VAR A B C)
(RULES
  f4(A,B,C) -> Com_1(f5(A,B,1)) :|: 0 >= A && 0 >= B
  f0(A,B,C) -> Com_1(f2(A,B,1)) :|: A >= 1
  f4(A,B,C) -> Com_1(f4(A,B - 1,C)) :|: B >= 1
  f0(A,B,C) -> Com_1(f4(A,B,0)) :|: 0 >= A
)