First sample run (took multiple tries to get a win)

The maximum possible value: 12
Guess a number: 7
Rolling...
First roll: 3
Second roll: 4
Result...
You won!

Process finished with exit code 0

Second sample run (lost)

The maximum possible value: 12
Guess a number: 6
Rolling...
First roll: 2
Second roll: 3
Result...
You have lost.

Process finished with exit code 0

Third run (guessed value was over the maximum value)

The maximum possible value: 12
Guess a number: 14
Guess invalid

Process finished with exit code 0