Promela and Model Description
5) Data types
  bit or bool, range(0..1)
byte, short, range(0..266), range(-2^15 - 1 .. 2^15 – 1)
int, range(-2^31 - 1 .. 2^31 – 1)
    Array type
  ex1: byte A[N]
    Process type
ex1: proctype A() {
byte state;
state = 3
}