Freeing block not previously allocated: 0x00004000 in foo.c(4)
Freeing block not previously allocated: 0x00004000 in foo.c(5)
Freeing block more than once: 0x00001000 in foo.c(7)
Freeing block more than once: 0x00001000 in foo.c(8)
Freeing NULL pointer in foo.c(9)
Freeing NULL pointer in foo.c(10)
Trying to validate NULL pointer in foo.c(11)
Valid pointer assertion (0x00000100) failed in foo.c(12)
  - pointer references memory not previously allocated
Valid pointer assertion (0x00001000) failed in foo.c(13)
  - pointer references a block that has been freed
Trying to validate block starting at NULL
Block assertion (0x00000FFF, size 4) failed in foo.c(17)
  - overlaps with old block at 0x00001000, size 16
Block assertion (0x00001000, size 4) failed in foo.c(18)
  - references memory in old block at 0x00001000, size 16
Block assertion (0x0000100C, size 4) failed in foo.c(19)
  - references memory in old block at 0x00001000, size 16
Block assertion (0x0000100D, size 4) failed in foo.c(20)
  - overlaps with allocated block at 0x00001010, size 16
  - overlaps with old block at 0x00001000, size 16
Block assertion (0x00000FFD, size 18) failed in foo.c(21)
  - overlaps with old block at 0x00001000, size 16
Block assertion (0x00000FFE, size 18) failed in foo.c(22)
  - overlaps with old block at 0x00001000, size 16
Block assertion (0x00001000, size 18) failed in foo.c(23)
  - overlaps with allocated block at 0x00001010, size 16
  - overlaps with old block at 0x00001000, size 16
Block assertion (0x00001FFF, size 4) failed in foo.c(25)
  - overlaps with allocated block at 0x00002000, size 8
Block assertion (0x00002005, size 4) failed in foo.c(28)
  - overlaps with allocated block at 0x00002000, size 8
  - overlaps with old block at 0x00002008, size 8
Block assertion (0x00001FFD, size 10) failed in foo.c(29)
  - overlaps with allocated block at 0x00002000, size 8
Block assertion (0x00001FFE, size 10) failed in foo.c(30)
  - overlaps with allocated block at 0x00002000, size 8
Block assertion (0x00002000, size 10) failed in foo.c(31)
  - overlaps with allocated block at 0x00002000, size 8
  - overlaps with old block at 0x00002008, size 8
Not freed: block at 0x00001010, size 16, allocated in foo.c(1)
Not freed: block at 0x00002000, size 8, allocated in foo.c(2)
Not freed: block at 0x00003000, size 4, allocated in foo.c(3)

Summary Statistics:

  Total allocs       : 5
  Total frees        : 2
  Max. memory blocks : 5
  Max. memory usage  : 52 bytes

  Smallest block     : 4 bytes
  Largest block      : 16 bytes

  Memory leakage     : 28 bytes