(GOAL COMPLEXITY)
(STARTTERM (FUNCTIONSYMBOLS evalfstart))
(VAR A B)
(RULES
  evalfstart(A, B) -> Com_1(evalfentryin(A, B))
  evalfentryin(A, B) -> Com_1(evalfbb3in(B, A)) [ A >= 1 /\ B >= A + 1 ]
  evalfbb3in(A, B) -> Com_1(evalfreturnin(A, B)) [ B - 1 >= 0 /\ 0 >= A ]
  evalfbb3in(A, B) -> Com_1(evalfbb4in(A, B)) [ B - 1 >= 0 /\ A >= 1 ]
  evalfbb4in(A, B) -> Com_1(evalfbbin(A, B)) [ B - 1 >= 0 /\ A + B - 2 >= 0 /\ A - 1 >= 0 /\ 0 >= C + 1 ]
  evalfbb4in(A, B) -> Com_1(evalfbbin(A, B)) [ B - 1 >= 0 /\ A + B - 2 >= 0 /\ A - 1 >= 0 /\ C >= 1 ]
  evalfbb4in(A, B) -> Com_1(evalfreturnin(A, B)) [ B - 1 >= 0 /\ A + B - 2 >= 0 /\ A - 1 >= 0 ]
  evalfbbin(A, B) -> Com_1(evalfbb1in(A, B)) [ B - 1 >= 0 /\ A + B - 2 >= 0 /\ A - 1 >= 0 /\ B >= A + 1 ]
  evalfbbin(A, B) -> Com_1(evalfbb2in(A, B)) [ B - 1 >= 0 /\ A + B - 2 >= 0 /\ A - 1 >= 0 /\ A >= B ]
  evalfbb1in(A, B) -> Com_1(evalfbb3in(A + 1, B)) [ B - 2 >= 0 /\ A + B - 3 >= 0 /\ -A + B - 1 >= 0 /\ A - 1 >= 0 ]
  evalfbb2in(A, B) -> Com_1(evalfbb3in(A - B, B)) [ A - B >= 0 /\ B - 1 >= 0 /\ A + B - 2 >= 0 /\ A - 1 >= 0 ]
  evalfreturnin(A, B) -> Com_1(evalfstop(A, B)) [ B - 1 >= 0 ]
)