searching for pointers to 18 not-freed blocks.
checked ... bytes.

24 (8 direct, 16 indirect) bytes in 1 blocks are definitely lost in loss record 15 of 18
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: mk (leak-cycle.c:11)
   by 0x........: mkcycle (leak-cycle.c:22)
   by 0x........: main (leak-cycle.c:36)


24 (8 direct, 16 indirect) bytes in 1 blocks are definitely lost in loss record 16 of 18
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: mk (leak-cycle.c:11)
   by 0x........: mkcycle (leak-cycle.c:22)
   by 0x........: main (leak-cycle.c:37)


48 (8 direct, 40 indirect) bytes in 1 blocks are definitely lost in loss record 17 of 18
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: mk (leak-cycle.c:11)
   by 0x........: mkcycle (leak-cycle.c:22)
   by 0x........: main (leak-cycle.c:45)


48 (8 direct, 40 indirect) bytes in 1 blocks are definitely lost in loss record 18 of 18
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: mk (leak-cycle.c:11)
   by 0x........: mkcycle (leak-cycle.c:22)
   by 0x........: main (leak-cycle.c:59)

LEAK SUMMARY:
   definitely lost: 32 bytes in 4 blocks.
   indirectly lost: 112 bytes in 14 blocks.
     possibly lost: 0 bytes in 0 blocks.
   still reachable: 0 bytes in 0 blocks.
        suppressed: 0 bytes in 0 blocks.
Reachable blocks (those to which a pointer was found) are not shown.
To see them, rerun with: --show-reachable=yes

ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
malloc/free: in use at exit: 144 bytes in 18 blocks.
malloc/free: 18 allocs, 0 frees, 144 bytes allocated.
For a detailed leak analysis,  rerun with: --leak-check=yes
For counts of detected errors, rerun with: -v