Timeout in 10.0m

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\[\lambda_1 + \tan^{-1}_* \frac{\left(\sin theta \cdot \sin delta\right) \cdot \cos \phi_1}{\cos delta - \sin \phi_1 \cdot \sin \left(\sin^{-1} \left(\sin \phi_1 \cdot \cos delta + \left(\cos \phi_1 \cdot \sin delta\right) \cdot \cos theta\right)\right)}\]
\lambda_1 + \tan^{-1}_* \frac{\left(\sin theta \cdot \sin delta\right) \cdot \cos \phi_1}{\cos delta - \sin \phi_1 \cdot \sin \left(\sin^{-1} \left(\sin \phi_1 \cdot \cos delta + \left(\cos \phi_1 \cdot \sin delta\right) \cdot \cos theta\right)\right)}
double f(double lambda1, double phi1, double __attribute__((unused)) phi2, double delta, double theta) {
        double r7039702 = lambda1;
        double r7039703 = theta;
        double r7039704 = sin(r7039703);
        double r7039705 = delta;
        double r7039706 = sin(r7039705);
        double r7039707 = r7039704 * r7039706;
        double r7039708 = phi1;
        double r7039709 = cos(r7039708);
        double r7039710 = r7039707 * r7039709;
        double r7039711 = cos(r7039705);
        double r7039712 = sin(r7039708);
        double r7039713 = r7039712 * r7039711;
        double r7039714 = r7039709 * r7039706;
        double r7039715 = cos(r7039703);
        double r7039716 = r7039714 * r7039715;
        double r7039717 = r7039713 + r7039716;
        double r7039718 = asin(r7039717);
        double r7039719 = sin(r7039718);
        double r7039720 = r7039712 * r7039719;
        double r7039721 = r7039711 - r7039720;
        double r7039722 = atan2(r7039710, r7039721);
        double r7039723 = r7039702 + r7039722;
        return r7039723;
}

Reproduce

herbie shell --seed 2019107 
(FPCore (lambda1 phi1 phi2 delta theta)
  :name "Destination given bearing on a great circle"
  (+ lambda1 (atan2 (* (* (sin theta) (sin delta)) (cos phi1)) (- (cos delta) (* (sin phi1) (sin (asin (+ (* (sin phi1) (cos delta)) (* (* (cos phi1) (sin delta)) (cos theta))))))))))