File: main.c

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cbmc 5.2-1~bpo8%2B1
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#ifdef _MSC_VER

// No _Static_assert in Visual Studio
#define _Static_assert(condition, message) \
  int some_array##__LINE__[(condition) ? 1 : -1];

#endif

// sizeof is unsigned
_Static_assert( 1 - sizeof(int) >=0, "sizeof is unsigned" );

// same with cast to signed
_Static_assert( 1 - (int)sizeof(int) <0, "int is signed" );

// the size of sizeof!
_Static_assert(sizeof(sizeof(int)) == sizeof(void *), "size of sizeof" );

int main()
{
}