public class trace {
public void mnonnullelements(int[] a) {
int i = 0;
//@ assert i == 0 && \nonnullelements(a);
return ;
}
public void mnotmodified(int i) {
//@ assert \not_modified(i);
i = 4;
//@ assert i == 4 && \not_modified(i);
return ;
}
}