Timeout in 10.0m

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\[\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}\]
\frac{2}{\left(\left(\frac{{t}^{3}}{\ell \cdot \ell} \cdot \sin k\right) \cdot \tan k\right) \cdot \left(\left(1 + {\left(\frac{k}{t}\right)}^{2}\right) + 1\right)}
double f(double t, double l, double k) {
        double r61142980 = 2.0;
        double r61142981 = t;
        double r61142982 = 3.0;
        double r61142983 = pow(r61142981, r61142982);
        double r61142984 = l;
        double r61142985 = r61142984 * r61142984;
        double r61142986 = r61142983 / r61142985;
        double r61142987 = k;
        double r61142988 = sin(r61142987);
        double r61142989 = r61142986 * r61142988;
        double r61142990 = tan(r61142987);
        double r61142991 = r61142989 * r61142990;
        double r61142992 = 1.0;
        double r61142993 = r61142987 / r61142981;
        double r61142994 = pow(r61142993, r61142980);
        double r61142995 = r61142992 + r61142994;
        double r61142996 = r61142995 + r61142992;
        double r61142997 = r61142991 * r61142996;
        double r61142998 = r61142980 / r61142997;
        return r61142998;
}

Reproduce

herbie shell --seed 2019107 
(FPCore (t l k)
  :name "Toniolo and Linder, Equation (10+)"
  (/ 2 (* (* (* (/ (pow t 3) (* l l)) (sin k)) (tan k)) (+ (+ 1 (pow (/ k t) 2)) 1))))