Why do you say my program has a memory leak?

Content

31 CPU 0 13.0 0 0 0 0.2 0.5 0.5 49 Memory 276.8 MB 21.560.4 MB 114.2 MB 572.1 MB 1,055.1 MB 6.7 MB 31.2 MB 91.2 MB 1 Disk O MBs 0 MBs 0.1 MBs 0 MBs O MBs 0 MBs O MBs 0.4 MBs 0 Network O Mbr 0 Mbr 0 Mbr 0 Mbr 0 Mbr 0 Mbr 0 Mbr 0 Mbr