Cadence Design Systems Verification Engineer interview questions

Interview process involved aptitude test which contained questions on counter circuits and other digital circuits, basic aptitude followed by 3 rounds of technical interview and one HR interview. The overall process was very smooth and HR is very cooperative

This is regarding pune location which is tensilica group. During F2F i didn't feel its Cadence. During first round interviewer was asking previous projects and trying to understand what work have done along with some basic questions and if i stuck some were he was giving hints, second person was bit rude and was not interested at all during interview he was going outside, questions were simple though. like swapping and lot of arithmetic operations even i showed them using SV they want it again same thing in C or othey way which might be related to there work or somthing they want specific approch but his behaviour and way of talking was unprofessional that behaviour bounds to think me again to work in this culture and avoid questions.