LOOP: 1
     CALCULATION, 1
LOOP: 2
     CALCULATION, 2
LOOP: 3
     CALCULATION, 3
LOOP: 4
     CALCULATION, 4
LOOP: 5
     CALCULATION, 5
LOOP: 6
     CALCULATION, 6
LOOP: 7
     CALCULATION, 7
LOOP: 8
     CALCULATION, 8
LOOP: 9
     CALCULATION, 9
LOOP: 10
     CALCULATION, 10
LOOP: 11
     CALCULATION, 11
ERROR: File, stderr.log is not empty.