#include <stdio.h>
#include <assert.h>
#include <math.h>
int main(int argc, char **argv){
    assert( sqrt( 42 * 42) == 42 );
    assert( sqrt( -1 * -1) == -1 );
    return 0;
}

t: t.c:7: main: Assertion `sqrt( -1 * -1) == -1' failed.

Disallowed system call: SYS_kill