svcomp_openbsd_cstrlen_alloca.c

contents

/*
 * Date: 17.12.2013
 * Author: Thomas Ströder
 */
#include <stdlib.h>

extern int __VERIFIER_nondet_int(void);

size_t
cstrlen(const char *str)
{
	const char *s;

	for (s = str; *s; ++s)
		;
	return (s - str);
}

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

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