I am a few days from completion of an industrial internship that is required for my Masters degree. I have had a bad experience with the supervisor of this internship, who has insulted me several times during my internship period. He is mean, he gets angry very easily, he is bad-tempered and most importantly he is ignorant: he never knew what I must do as a trainee, it is me who proposes the tasks to him. Finally, now that I have finished the main task of my internship, he says it is useless.

Completing the internship and the degree involves reporting on my internship to an academic jury. Given this bad experience, how should I handle my report?

In particular:

1. I do not want to give an acknowledgement to my field supervisor in my report: is this a bad thing to do? I mean, will the jury ask me why I did not write an acknowledgement?
2. If the jury asks about my evaluation of the company where I did the internship, should I be honest in telling them what happened, or should I lie and tell them everything was fine?