(GOAL COMPLEXITY)
(STARTTERM (FUNCTIONSYMBOLS start))
(VAR A B C)
(RULES
  eval1(A, B, C) -> Com_1(eval2(A, B, C)) [ A >= B + 1 /\ C = A ]
  eval2(A, B, C) -> Com_1(eval2(A - 1, B, C - 1)) [ A - C >= 0 /\ -A + C >= 0 /\ A >= B + 1 ]
  eval2(A, B, C) -> Com_1(eval1(A, B, C)) [ A - C >= 0 /\ -A + C >= 0 /\ B >= A ]
  start(A, B, C) -> Com_1(eval1(A, B, C))
)