(GOAL COMPLEXITY)
(STARTTERM (FUNCTIONSYMBOLS start))
(VAR A)
(RULES
  start(A) -> Com_1(a(A)) [ A >= 1 ]
  start(A) -> Com_1(a(A)) [ A >= 2 ]
  start(A) -> Com_1(a(A)) [ A >= 4 ]
  a(A) -> Com_1(a(B)) [ A - 1 >= 0 /\ 2*B >= 2 /\ A = 2*B ]
  a(A) -> Com_1(a(B)) [ A - 1 >= 0 /\ 2*B >= 1 /\ A = 2*B + 1 ]
)