> takes the terminal in an infinite state!
> 1.Am I doing the right way?
> 2.How much time will it take to give output?
Programs generated by Csmith often run forever, you should kill them
after a few seconds. But to crash the compiler you do not never need to
run the generated code.
> 3.Do I need to build an older version of GCC and csmith for the sample
> test cases?.
You should just ignore those.
John