Cannot sample enough valid points. (more)

\[x + \sin^{-1} \left(\cosh x\right)\]
x + \sin^{-1} \left(\cosh x\right)
double f(double x) {
        double r3996 = x;
        double r3997 = cosh(r3996);
        double r3998 = asin(r3997);
        double r3999 = r3996 + r3998;
        return r3999;
}