==> YES, main.fstb terminates. max_dim = 1

+-----------------------------------------------------------------------------+
|                             Ranking Function                                |
+-----------------------------------------------------------------------------+

state start:
41

state lbl91:
41+(-1*E)

state lbl111:
42+(-1*E)

state stop:
0

state start0:
42

state ____start0:
43


+-----------------------------------------------------------------------------+
|                         Worst Case Execution Time                           |
+-----------------------------------------------------------------------------+

/---
/
| -1+B__o' >= 0
| 1 >= 0
\

(((1+40)+1)+1)+1

/
| B__o' = 0
| 1 >= 0
\

((((1+40)+40)+1)+1)+1

\---