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 r5136 = x;
        double r5137 = cosh(r5136);
        double r5138 = asin(r5137);
        double r5139 = r5136 + r5138;
        return r5139;
}