==> YES, main.fstb terminates. max_dim = 2

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

state start:
2

state stop:
0

state lbl32:
1
-1+D

state start0:
3

state ____start0:
4


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

/---
/
| -2+A__o' >= 0
| 1 >= 0
\

(((1+1)+(-1+A__o'))+1)+1

/
| 1+(-1*A__o') >= 0
| 1 >= 0
\

((1+1)+1)+1

\---