cstrncat_reverse_alloca_true-termination.c.i

typedef long unsigned int size_t;
typedef short unsigned int wchar_t;
typedef long int ptrdiff_t;
typedef signed char __int8_t;
typedef unsigned char __uint8_t;
typedef short int __int16_t;
typedef short unsigned int __uint16_t;
typedef int __int32_t;
typedef unsigned int __uint32_t;
typedef long int __int64_t;
typedef long unsigned int __uint64_t;
typedef signed char __int_least8_t;
typedef unsigned char __uint_least8_t;
typedef short int __int_least16_t;
typedef short unsigned int __uint_least16_t;
typedef int __int_least32_t;
typedef unsigned int __uint_least32_t;
typedef long int __int_least64_t;
typedef long unsigned int __uint_least64_t;
typedef long int __intptr_t;
typedef long unsigned int __uintptr_t;
typedef void *_LOCK_T;
void __cygwin_lock_init(_LOCK_T *);
void __cygwin_lock_init_recursive(_LOCK_T *);
void __cygwin_lock_fini(_LOCK_T *);
void __cygwin_lock_lock(_LOCK_T *);
int __cygwin_lock_trylock(_LOCK_T *);
void __cygwin_lock_unlock(_LOCK_T *);
typedef long _off_t;
typedef short __dev_t;
typedef unsigned short __uid_t;
typedef unsigned short __gid_t;
__extension__ typedef long long _off64_t;
typedef long _fpos_t;
typedef _off64_t _fpos64_t;
typedef long signed int _ssize_t;
typedef unsigned int wint_t;
typedef struct
{
  int __count;
  union
  {
    wint_t __wch;
    unsigned char __wchb[4];
  } __value;
} _mbstate_t;
typedef _LOCK_T _flock_t;
typedef void *_iconv_t;
typedef unsigned int __ULong;
struct _reent;
struct _Bigint
{
  struct _Bigint *_next;
  int _k, _maxwds, _sign, _wds;
  __ULong _x[1];
};
struct __tm
{
  int __tm_sec;
  int __tm_min;
  int __tm_hour;
  int __tm_mday;
  int __tm_mon;
  int __tm_year;
  int __tm_wday;
  int __tm_yday;
  int __tm_isdst;
};
struct _on_exit_args {
 void * _fnargs[32];
 void * _dso_handle[32];
 __ULong _fntypes;
 __ULong _is_cxa;
};
struct _atexit {
 struct _atexit *_next;
 int _ind;
 void (*_fns[32])(void);
        struct _on_exit_args _on_exit_args;
};
struct __sbuf {
 unsigned char *_base;
 int _size;
};
struct __sFILE {
  unsigned char *_p;
  int _r;
  int _w;
  short _flags;
  short _file;
  struct __sbuf _bf;
  int _lbfsize;
  void * _cookie;
  _ssize_t (__attribute__((__cdecl__)) * _read) (struct _reent *, void *, char *, size_t);
  _ssize_t (__attribute__((__cdecl__)) * _write) (struct _reent *, void *, const char *, size_t);
  _fpos_t (__attribute__((__cdecl__)) * _seek) (struct _reent *, void *, _fpos_t, int);
  int (__attribute__((__cdecl__)) * _close) (struct _reent *, void *);
  struct __sbuf _ub;
  unsigned char *_up;
  int _ur;
  unsigned char _ubuf[3];
  unsigned char _nbuf[1];
  struct __sbuf _lb;
  int _blksize;
  _off_t _offset;
  struct _reent *_data;
  _flock_t _lock;
  _mbstate_t _mbstate;
  int _flags2;
};
struct __sFILE64 {
  unsigned char *_p;
  int _r;
  int _w;
  short _flags;
  short _file;
  struct __sbuf _bf;
  int _lbfsize;
  struct _reent *_data;
  void * _cookie;
  _ssize_t (__attribute__((__cdecl__)) * _read) (struct _reent *, void *, char *, size_t);
  _ssize_t (__attribute__((__cdecl__)) * _write) (struct _reent *, void *, const char *, size_t);
  _fpos_t (__attribute__((__cdecl__)) * _seek) (struct _reent *, void *, _fpos_t, int);
  int (__attribute__((__cdecl__)) * _close) (struct _reent *, void *);
  struct __sbuf _ub;
  unsigned char *_up;
  int _ur;
  unsigned char _ubuf[3];
  unsigned char _nbuf[1];
  struct __sbuf _lb;
  int _blksize;
  int _flags2;
  _off64_t _offset;
  _fpos64_t (__attribute__((__cdecl__)) * _seek64) (struct _reent *, void *, _fpos64_t, int);
  _flock_t _lock;
  _mbstate_t _mbstate;
};
typedef struct __sFILE64 __FILE;
struct _glue
{
  struct _glue *_next;
  int _niobs;
  __FILE *_iobs;
};
struct _rand48 {
  unsigned short _seed[3];
  unsigned short _mult[3];
  unsigned short _add;
};
struct _reent
{
  int _errno;
  __FILE *_stdin, *_stdout, *_stderr;
  int _inc;
  char _emergency[25];
  int _current_category;
  const char *_current_locale;
  int __sdidinit;
  void (__attribute__((__cdecl__)) * __cleanup) (struct _reent *);
  struct _Bigint *_result;
  int _result_k;
  struct _Bigint *_p5s;
  struct _Bigint **_freelist;
  int _cvtlen;
  char *_cvtbuf;
  union
    {
      struct
        {
          unsigned int _unused_rand;
          char * _strtok_last;
          char _asctime_buf[26];
          struct __tm _localtime_buf;
          int _gamma_signgam;
          __extension__ unsigned long long _rand_next;
          struct _rand48 _r48;
          _mbstate_t _mblen_state;
          _mbstate_t _mbtowc_state;
          _mbstate_t _wctomb_state;
          char _l64a_buf[8];
          char _signal_buf[24];
          int _getdate_err;
          _mbstate_t _mbrlen_state;
          _mbstate_t _mbrtowc_state;
          _mbstate_t _mbsrtowcs_state;
          _mbstate_t _wcrtomb_state;
          _mbstate_t _wcsrtombs_state;
   int _h_errno;
        } _reent;
      struct
        {
          unsigned char * _nextf[30];
          unsigned int _nmalloc[30];
        } _unused;
    } _new;
  struct _atexit *_atexit;
  struct _atexit _atexit0;
  void (**(_sig_func))(int);
  struct _glue __sglue;
  __FILE __sf[3];
};
extern struct _reent *_impure_ptr ;
extern struct _reent *const _global_impure_ptr ;
void _reclaim_reent (struct _reent *);
  struct _reent * __attribute__((__cdecl__)) __getreent (void);
char *mkdtemp (char *);
__uint32_t arc4random(void);
void arc4random_addrandom(unsigned char *, int);
void arc4random_buf(void *, size_t);
void arc4random_stir(void);
__uint32_t arc4random_uniform(__uint32_t);
const char *getprogname (void);
void setprogname (const char *);
char *canonicalize_file_name (const char *);
int unsetenv (const char *);
char *initstate (unsigned seed, char *state, size_t size);
long random (void);
char *setstate (const char *state);
void srandom (unsigned);
char *ptsname (int);
int ptsname_r(int, char *, size_t);
int getpt (void);
int grantpt (int);
int unlockpt (int);
int posix_openpt (int);
int posix_memalign (void **, size_t, size_t);
extern void * memalign (size_t, size_t);
extern void * valloc (size_t);

typedef struct
{
  int quot;
  int rem;
} div_t;
typedef struct
{
  long quot;
  long rem;
} ldiv_t;
typedef struct
{
  long long int quot;
  long long int rem;
} lldiv_t;
typedef int (*__compar_fn_t) (const void *, const void *);
int __attribute__((__cdecl__)) __locale_mb_cur_max (void);
void __attribute__((__cdecl__)) abort (void) __attribute__ ((__noreturn__));
int __attribute__((__cdecl__)) abs (int);
int __attribute__((__cdecl__)) atexit (void (*__func)(void));
double __attribute__((__cdecl__)) atof (const char *__nptr);
float __attribute__((__cdecl__)) atoff (const char *__nptr);
int __attribute__((__cdecl__)) atoi (const char *__nptr);
int __attribute__((__cdecl__)) _atoi_r (struct _reent *, const char *__nptr);
long __attribute__((__cdecl__)) atol (const char *__nptr);
long __attribute__((__cdecl__)) _atol_r (struct _reent *, const char *__nptr);
void * __attribute__((__cdecl__)) bsearch (const void * __key, const void * __base, size_t __nmemb, size_t __size, __compar_fn_t _compar);
void * __attribute__((__cdecl__)) calloc (size_t __nmemb, size_t __size) ;
div_t __attribute__((__cdecl__)) div (int __numer, int __denom);
void __attribute__((__cdecl__)) exit (int __status) __attribute__ ((__noreturn__));
void __attribute__((__cdecl__)) free (void *) ;
char * __attribute__((__cdecl__)) getenv (const char *__string);
char * __attribute__((__cdecl__)) _getenv_r (struct _reent *, const char *__string);
char * __attribute__((__cdecl__)) _findenv (const char *, int *);
char * __attribute__((__cdecl__)) _findenv_r (struct _reent *, const char *, int *);
extern char *suboptarg;
int __attribute__((__cdecl__)) getsubopt (char **, char * const *, char **);
long __attribute__((__cdecl__)) labs (long);
ldiv_t __attribute__((__cdecl__)) ldiv (long __numer, long __denom);
void * __attribute__((__cdecl__)) malloc (size_t __size) ;
int __attribute__((__cdecl__)) mblen (const char *, size_t);
int __attribute__((__cdecl__)) _mblen_r (struct _reent *, const char *, size_t, _mbstate_t *);
int __attribute__((__cdecl__)) mbtowc (wchar_t *, const char *, size_t);
int __attribute__((__cdecl__)) _mbtowc_r (struct _reent *, wchar_t *, const char *, size_t, _mbstate_t *);
int __attribute__((__cdecl__)) wctomb (char *, wchar_t);
int __attribute__((__cdecl__)) _wctomb_r (struct _reent *, char *, wchar_t, _mbstate_t *);
size_t __attribute__((__cdecl__)) mbstowcs (wchar_t *, const char *, size_t);
size_t __attribute__((__cdecl__)) _mbstowcs_r (struct _reent *, wchar_t *, const char *, size_t, _mbstate_t *);
size_t __attribute__((__cdecl__)) wcstombs (char *, const wchar_t *, size_t);
size_t __attribute__((__cdecl__)) _wcstombs_r (struct _reent *, char *, const wchar_t *, size_t, _mbstate_t *);
char * __attribute__((__cdecl__)) mkdtemp (char *);
int __attribute__((__cdecl__)) mkostemp (char *, int);
int __attribute__((__cdecl__)) mkostemps (char *, int, int);
int __attribute__((__cdecl__)) mkstemp (char *);
int __attribute__((__cdecl__)) mkstemps (char *, int);
char * __attribute__((__cdecl__)) mktemp (char *) __attribute__ ((__warning__ ("the use of `mktemp' is dangerous; use `mkstemp' instead")));
char * __attribute__((__cdecl__)) _mkdtemp_r (struct _reent *, char *);
int __attribute__((__cdecl__)) _mkostemp_r (struct _reent *, char *, int);
int __attribute__((__cdecl__)) _mkostemps_r (struct _reent *, char *, int, int);
int __attribute__((__cdecl__)) _mkstemp_r (struct _reent *, char *);
int __attribute__((__cdecl__)) _mkstemps_r (struct _reent *, char *, int);
char * __attribute__((__cdecl__)) _mktemp_r (struct _reent *, char *) __attribute__ ((__warning__ ("the use of `mktemp' is dangerous; use `mkstemp' instead")));
void __attribute__((__cdecl__)) qsort (void * __base, size_t __nmemb, size_t __size, __compar_fn_t _compar);
int __attribute__((__cdecl__)) rand (void);
void * __attribute__((__cdecl__)) realloc (void * __r, size_t __size) ;
void * __attribute__((__cdecl__)) reallocf (void * __r, size_t __size);
char * __attribute__((__cdecl__)) realpath (const char * path, char * resolved_path);
void __attribute__((__cdecl__)) srand (unsigned __seed);
double __attribute__((__cdecl__)) strtod (const char * __n, char ** __end_PTR);
double __attribute__((__cdecl__)) _strtod_r (struct _reent *,const char * __n, char ** __end_PTR);
float __attribute__((__cdecl__)) strtof (const char * __n, char ** __end_PTR);
long __attribute__((__cdecl__)) strtol (const char * __n, char ** __end_PTR, int __base);
long __attribute__((__cdecl__)) _strtol_r (struct _reent *,const char * __n, char ** __end_PTR, int __base);
unsigned long __attribute__((__cdecl__)) strtoul (const char * __n, char ** __end_PTR, int __base);
unsigned long __attribute__((__cdecl__)) _strtoul_r (struct _reent *,const char * __n, char ** __end_PTR, int __base);
int __attribute__((__cdecl__)) system (const char *__string);
long __attribute__((__cdecl__)) a64l (const char *__input);
char * __attribute__((__cdecl__)) l64a (long __input);
char * __attribute__((__cdecl__)) _l64a_r (struct _reent *,long __input);
int __attribute__((__cdecl__)) on_exit (void (*__func)(int, void *),void * __arg);
void __attribute__((__cdecl__)) _Exit (int __status) __attribute__ ((__noreturn__));
int __attribute__((__cdecl__)) putenv (char *__string);
int __attribute__((__cdecl__)) _putenv_r (struct _reent *, char *__string);
void * __attribute__((__cdecl__)) _reallocf_r (struct _reent *, void *, size_t);
int __attribute__((__cdecl__)) setenv (const char *__string, const char *__value, int __overwrite);
int __attribute__((__cdecl__)) _setenv_r (struct _reent *, const char *__string, const char *__value, int __overwrite);
char * __attribute__((__cdecl__)) gcvt (double,int,char *);
char * __attribute__((__cdecl__)) gcvtf (float,int,char *);
char * __attribute__((__cdecl__)) fcvt (double,int,int *,int *);
char * __attribute__((__cdecl__)) fcvtf (float,int,int *,int *);
char * __attribute__((__cdecl__)) ecvt (double,int,int *,int *);
char * __attribute__((__cdecl__)) ecvtbuf (double, int, int*, int*, char *);
char * __attribute__((__cdecl__)) fcvtbuf (double, int, int*, int*, char *);
char * __attribute__((__cdecl__)) ecvtf (float,int,int *,int *);
char * __attribute__((__cdecl__)) dtoa (double, int, int, int *, int*, char**);
char * __attribute__((__cdecl__)) __itoa (int, char *, int);
char * __attribute__((__cdecl__)) __utoa (unsigned, char *, int);
char * __attribute__((__cdecl__)) itoa (int, char *, int);
char * __attribute__((__cdecl__)) utoa (unsigned, char *, int);
int __attribute__((__cdecl__)) rand_r (unsigned *__seed);
double __attribute__((__cdecl__)) drand48 (void);
double __attribute__((__cdecl__)) _drand48_r (struct _reent *);
double __attribute__((__cdecl__)) erand48 (unsigned short [3]);
double __attribute__((__cdecl__)) _erand48_r (struct _reent *, unsigned short [3]);
long __attribute__((__cdecl__)) jrand48 (unsigned short [3]);
long __attribute__((__cdecl__)) _jrand48_r (struct _reent *, unsigned short [3]);
void __attribute__((__cdecl__)) lcong48 (unsigned short [7]);
void __attribute__((__cdecl__)) _lcong48_r (struct _reent *, unsigned short [7]);
long __attribute__((__cdecl__)) lrand48 (void);
long __attribute__((__cdecl__)) _lrand48_r (struct _reent *);
long __attribute__((__cdecl__)) mrand48 (void);
long __attribute__((__cdecl__)) _mrand48_r (struct _reent *);
long __attribute__((__cdecl__)) nrand48 (unsigned short [3]);
long __attribute__((__cdecl__)) _nrand48_r (struct _reent *, unsigned short [3]);
unsigned short *
       __attribute__((__cdecl__)) seed48 (unsigned short [3]);
unsigned short *
       __attribute__((__cdecl__)) _seed48_r (struct _reent *, unsigned short [3]);
void __attribute__((__cdecl__)) srand48 (long);
void __attribute__((__cdecl__)) _srand48_r (struct _reent *, long);
long long __attribute__((__cdecl__)) atoll (const char *__nptr);
long long __attribute__((__cdecl__)) _atoll_r (struct _reent *, const char *__nptr);
long long __attribute__((__cdecl__)) llabs (long long);
lldiv_t __attribute__((__cdecl__)) lldiv (long long __numer, long long __denom);
long long __attribute__((__cdecl__)) strtoll (const char * __n, char ** __end_PTR, int __base);
long long __attribute__((__cdecl__)) _strtoll_r (struct _reent *, const char * __n, char ** __end_PTR, int __base);
unsigned long long __attribute__((__cdecl__)) strtoull (const char * __n, char ** __end_PTR, int __base);
unsigned long long __attribute__((__cdecl__)) _strtoull_r (struct _reent *, const char * __n, char ** __end_PTR, int __base);
char * __attribute__((__cdecl__)) _dtoa_r (struct _reent *, double, int, int, int *, int*, char**);
int __attribute__((__cdecl__)) _system_r (struct _reent *, const char *);
void __attribute__((__cdecl__)) __eprintf (const char *, const char *, unsigned int, const char *);
extern long double strtold (const char *, char **);

extern int __VERIFIER_nondet_int(void);
char *(cstrncat)(char *s1, const char *s2, int n)
 {
     char *s = s1;
     while (*s != '\0')
         s--;
     while (n != 0 && (*s = *s2--) != '\0') {
         n--;
         s--;
     }
     if (*s != '\0')
         *s = '\0';
     return s1;
 }
int main() {
    int length1 = __VERIFIER_nondet_int();
    int length2 = __VERIFIER_nondet_int();
    int n = __VERIFIER_nondet_int();
    if (length1 < 1) {
        length1 = 1;
    }
    if (length2 < 1) {
        length2 = 1;
    }
    if (n < 1) {
        n = 1;
    }
    if (length1 < n || length1 - n < length2) return 0;
    char* nondetString1 = (char*) __builtin_alloca(length1 * sizeof(char));
    char* nondetString2 = (char*) __builtin_alloca(length2 * sizeof(char));
    nondetString1[0] = '\0';
    nondetString2[0] = '\0';
    nondetString1 += length1 - n - 1;
    nondetString2 += length2 - 1;
    cstrncat(nondetString1, nondetString2, n);
    return 0;
}