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