about to do 14 [0]
about to do 14 [-1]
Invalid read of size 8
   at 0x........: main (base.c:14)
 Address 0x........ is 8 bytes before the accessing pointer's
 legitimate range, a block of size 80 alloc'd
   at 0x........: malloc (vg_replace_malloc.c:...)
   by 0x........: main (arith_include2.c:22)

about to do 16 [0]
about to do 16 [-1]
about to do 18 [0]
about to do 18 [-1]
about to do 20 [0]
Invalid read of size 8
   at 0x........: main (base.c:20)
 Address 0x........ is not derived from any known block

about to do 20 [-1]
Invalid read of size 8
   at 0x........: main (base.c:20)
 Address 0x........ is not derived from any known block

about to do 22 [0]
Invalid read of size 8
   at 0x........: main (base.c:22)
 Address 0x........ is not derived from any known block

about to do 22 [-1]
Invalid read of size 8
   at 0x........: main (base.c:22)
 Address 0x........ is not derived from any known block


ERROR SUMMARY: 5 errors from 5 contexts (suppressed: 0 from 0)