Timeout in 10.0m

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\[\alpha \gt -1 \land \beta \gt -1\]
\[\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1.0}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1.0}\]
\frac{\frac{\frac{\left(\left(\alpha + \beta\right) + \beta \cdot \alpha\right) + 1.0}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\alpha + \beta\right) + 2 \cdot 1}}{\left(\left(\alpha + \beta\right) + 2 \cdot 1\right) + 1.0}
double f(double alpha, double beta) {
        double r49345845 = alpha;
        double r49345846 = beta;
        double r49345847 = r49345845 + r49345846;
        double r49345848 = r49345846 * r49345845;
        double r49345849 = r49345847 + r49345848;
        double r49345850 = 1.0;
        double r49345851 = r49345849 + r49345850;
        double r49345852 = 2.0;
        double r49345853 = 1.0;
        double r49345854 = r49345852 * r49345853;
        double r49345855 = r49345847 + r49345854;
        double r49345856 = r49345851 / r49345855;
        double r49345857 = r49345856 / r49345855;
        double r49345858 = r49345855 + r49345850;
        double r49345859 = r49345857 / r49345858;
        return r49345859;
}

Reproduce

herbie shell --seed 2019107 +o rules:numerics
(FPCore (alpha beta)
  :name "Octave 3.8, jcobi/3"
  :pre (and (> alpha -1) (> beta -1))
  (/ (/ (/ (+ (+ (+ alpha beta) (* beta alpha)) 1.0) (+ (+ alpha beta) (* 2 1))) (+ (+ alpha beta) (* 2 1))) (+ (+ (+ alpha beta) (* 2 1)) 1.0)))