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 r64900198 = 2.0;
        double r64900199 = t;
        double r64900200 = 3.0;
        double r64900201 = pow(r64900199, r64900200);
        double r64900202 = l;
        double r64900203 = r64900202 * r64900202;
        double r64900204 = r64900201 / r64900203;
        double r64900205 = k;
        double r64900206 = sin(r64900205);
        double r64900207 = r64900204 * r64900206;
        double r64900208 = tan(r64900205);
        double r64900209 = r64900207 * r64900208;
        double r64900210 = 1.0;
        double r64900211 = r64900205 / r64900199;
        double r64900212 = pow(r64900211, r64900198);
        double r64900213 = r64900210 + r64900212;
        double r64900214 = r64900213 + r64900210;
        double r64900215 = r64900209 * r64900214;
        double r64900216 = r64900198 / r64900215;
        return r64900216;
}

Reproduce

herbie shell --seed 2019104 
(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))))