about to do 14 [0]
Invalid read of size 4
   at 0x........: main (xor.c:14)
   by 0x........: __libc_start_main (...libc...)
   by 0x........: ...
 Address 0x........ is not derived from any known block
about to do 14 [-1]

Invalid read of size 4
   at 0x........: main (xor.c:14)
   by 0x........: __libc_start_main (...libc...)
   by 0x........: ...
 Address 0x........ is not derived from any known block
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 4
   at 0x........: main (xor.c:20)
   by 0x........: __libc_start_main (...libc...)
   by 0x........: ...
 Address 0x........ is not derived from any known block
about to do 20 [-1]

Invalid read of size 4
   at 0x........: main (xor.c:20)
   by 0x........: __libc_start_main (...libc...)
   by 0x........: ...
 Address 0x........ is not derived from any known block
about to do 22 [0]
about to do 22 [-1]
about to do 23 [0]
about to do 23 [-1]
about to do 25 [0]
about to do 25 [-1]
about to do 26 [0]
about to do 26 [-1]
about to do 28 [0]

Invalid read of size 4
   at 0x........: main (xor.c:28)
   by 0x........: __libc_start_main (...libc...)
   by 0x........: ...
 Address 0x........ is not derived from any known block
about to do 28 [-1]

Invalid read of size 4
   at 0x........: main (xor.c:28)
   by 0x........: __libc_start_main (...libc...)
   by 0x........: ...
 Address 0x........ is not derived from any known block
about to do 29 [0]
about to do 29 [-1]
about to do 30 [0]
about to do 30 [-1]
about to do 31 [0]

Invalid read of size 4
   at 0x........: main (xor.c:31)
   by 0x........: __libc_start_main (...libc...)
   by 0x........: ...
 Address 0x........ is not derived from any known block
about to do 31 [-1]

Invalid read of size 4
   at 0x........: main (xor.c:31)
   by 0x........: __libc_start_main (...libc...)
   by 0x........: ...
 Address 0x........ is not derived from any known block
about to do 33 [0]
about to do 33 [-1]
about to do 34 [0]
about to do 34 [-1]
about to do 36 [0]
about to do 36 [-1]
about to do 37 [0]
about to do 37 [-1]


ERROR SUMMARY: 8 errors from 8 contexts (suppressed: 0 from 0)