Invalid read of size 4
   at 0x........: addemup (inline.c:10)
   by 0x........: main (inline.c:18)
 Address 0x........ is 0 bytes after a block of size 40 alloc'd
   at 0x........: calloc (vg_replace_malloc.c:...)
   by 0x........: main (inline.c:17)