/*
 * Date: 28.09.2015
 * Author: Thomas Ströder
 */
#include <stdlib.h>
#include <alloca.h>

extern int __VERIFIER_nondet_int(void);

int (cstrlen)(const char *s)
 {
     const char *p = s;
     /* Loop over the data in s.  */
     while (*p != '\0')
         p--;
     return (int)(s - p);
 }

int main() {
    int length1 = __VERIFIER_nondet_int();
    if (length1 < 1) {
        length1 = 1;
    }
    char* nondetString1 = (char*) alloca(length1 * sizeof(char));
    nondetString1[0] = '\0';
    nondetString1 += length1 - 1;
    return cstrlen(nondetString1);
}