Timeout in 10.0m

Use the --timeout flag to change the timeout.

\[0 \lt c_p \land 0 \lt c_n\]
\[\frac{{\left(\frac{1}{1 + e^{-s}}\right)}^{c_p} \cdot {\left(1 - \frac{1}{1 + e^{-s}}\right)}^{c_n}}{{\left(\frac{1}{1 + e^{-t}}\right)}^{c_p} \cdot {\left(1 - \frac{1}{1 + e^{-t}}\right)}^{c_n}}\]
\frac{{\left(\frac{1}{1 + e^{-s}}\right)}^{c_p} \cdot {\left(1 - \frac{1}{1 + e^{-s}}\right)}^{c_n}}{{\left(\frac{1}{1 + e^{-t}}\right)}^{c_p} \cdot {\left(1 - \frac{1}{1 + e^{-t}}\right)}^{c_n}}
double f(double c_p, double c_n, double t, double s) {
        double r6086595 = 1.0;
        double r6086596 = s;
        double r6086597 = -r6086596;
        double r6086598 = exp(r6086597);
        double r6086599 = r6086595 + r6086598;
        double r6086600 = r6086595 / r6086599;
        double r6086601 = c_p;
        double r6086602 = pow(r6086600, r6086601);
        double r6086603 = r6086595 - r6086600;
        double r6086604 = c_n;
        double r6086605 = pow(r6086603, r6086604);
        double r6086606 = r6086602 * r6086605;
        double r6086607 = t;
        double r6086608 = -r6086607;
        double r6086609 = exp(r6086608);
        double r6086610 = r6086595 + r6086609;
        double r6086611 = r6086595 / r6086610;
        double r6086612 = pow(r6086611, r6086601);
        double r6086613 = r6086595 - r6086611;
        double r6086614 = pow(r6086613, r6086604);
        double r6086615 = r6086612 * r6086614;
        double r6086616 = r6086606 / r6086615;
        return r6086616;
}

Reproduce

herbie shell --seed 2019143 +o rules:numerics
(FPCore (c_p c_n t s)
  :name "Harley's example"
  :pre (and (< 0 c_p) (< 0 c_n))

  :herbie-target
  (* (pow (/ (+ 1 (exp (- t))) (+ 1 (exp (- s)))) c_p) (pow (/ (+ 1 (exp t)) (+ 1 (exp s))) c_n))

  (/ (* (pow (/ 1 (+ 1 (exp (- s)))) c_p) (pow (- 1 (/ 1 (+ 1 (exp (- s))))) c_n)) (* (pow (/ 1 (+ 1 (exp (- t)))) c_p) (pow (- 1 (/ 1 (+ 1 (exp (- t))))) c_n))))