number of processes is 4
process 4
has arrived -- total of 1
process 3
has arrived -- total of 2
process 2
has arrived -- total of 3
process 1
has arrived -- total of 4
process 4
has arrived -- total of 1
process 3
has arrived -- total of 2
process 2
has arrived -- total of 3
process 1
has arrived -- total of 4
process 4
has arrived -- total of 1
process 3
has arrived -- total of 2
process 2
has arrived -- total of 3
process 1
has arrived -- total of 4
process 4
has arrived -- total of 1
process 3
has arrived -- total of 2
process 2
has arrived -- total of 3
process 1
has arrived -- total of 4
process 4
has arrived -- total of 1
process 3
has arrived -- total of 2
process 2
has arrived -- total of 3
process 1
has arrived -- total of 4
process 4
has arrived -- total of 1
process 3
has arrived -- total of 2
process 2
has arrived -- total of 3
process 1
has arrived -- total of 4
process 4
has arrived -- total of 1
process 3
has arrived -- total of 2
process 2
has arrived -- total of 3
process 1
has arrived -- total of 4
process 4
has arrived -- total of 1
process 3
has arrived -- total of 2
process 2
has arrived -- total of 3
process 1
has arrived -- total of 4
process 4
has arrived -- total of 1
process 3
has arrived -- total of 2
process 2
has arrived -- total of 3
process 1
has arrived -- total of 4
process 4
has arrived -- total of 1
process 3
has arrived -- total of 2
process 2
has arrived -- total of 3
process 1
has arrived -- total of 4
