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

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

state f0:
21

state f5:
(20+(-1*A))+B__o

state f12:
0

state ____f0:
22


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

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

((1+20)+1)+1

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

(1+1)+1

\---