Timeout in 10.0m

Use the --timeout flag to change the timeout.

\[1 - \left(\frac{1}{1 + 0.32759110000000002 \cdot \left|x\right|} \cdot \left(0.25482959199999999 + \frac{1}{1 + 0.32759110000000002 \cdot \left|x\right|} \cdot \left(-0.284496735999999972 + \frac{1}{1 + 0.32759110000000002 \cdot \left|x\right|} \cdot \left(1.42141374100000006 + \frac{1}{1 + 0.32759110000000002 \cdot \left|x\right|} \cdot \left(-1.45315202700000001 + \frac{1}{1 + 0.32759110000000002 \cdot \left|x\right|} \cdot 1.0614054289999999\right)\right)\right)\right)\right) \cdot e^{-\left|x\right| \cdot \left|x\right|}\]
1 - \left(\frac{1}{1 + 0.32759110000000002 \cdot \left|x\right|} \cdot \left(0.25482959199999999 + \frac{1}{1 + 0.32759110000000002 \cdot \left|x\right|} \cdot \left(-0.284496735999999972 + \frac{1}{1 + 0.32759110000000002 \cdot \left|x\right|} \cdot \left(1.42141374100000006 + \frac{1}{1 + 0.32759110000000002 \cdot \left|x\right|} \cdot \left(-1.45315202700000001 + \frac{1}{1 + 0.32759110000000002 \cdot \left|x\right|} \cdot 1.0614054289999999\right)\right)\right)\right)\right) \cdot e^{-\left|x\right| \cdot \left|x\right|}
double f(double x) {
        double r290726 = 1.0;
        double r290727 = 0.3275911;
        double r290728 = x;
        double r290729 = fabs(r290728);
        double r290730 = r290727 * r290729;
        double r290731 = r290726 + r290730;
        double r290732 = r290726 / r290731;
        double r290733 = 0.254829592;
        double r290734 = -0.284496736;
        double r290735 = 1.421413741;
        double r290736 = -1.453152027;
        double r290737 = 1.061405429;
        double r290738 = r290732 * r290737;
        double r290739 = r290736 + r290738;
        double r290740 = r290732 * r290739;
        double r290741 = r290735 + r290740;
        double r290742 = r290732 * r290741;
        double r290743 = r290734 + r290742;
        double r290744 = r290732 * r290743;
        double r290745 = r290733 + r290744;
        double r290746 = r290732 * r290745;
        double r290747 = r290729 * r290729;
        double r290748 = -r290747;
        double r290749 = exp(r290748);
        double r290750 = r290746 * r290749;
        double r290751 = r290726 - r290750;
        return r290751;
}

Reproduce

herbie shell --seed 2020083 
(FPCore (x)
  :name "Jmat.Real.erf"
  :precision binary64
  (- 1 (* (* (/ 1 (+ 1 (* 0.3275911 (fabs x)))) (+ 0.254829592 (* (/ 1 (+ 1 (* 0.3275911 (fabs x)))) (+ -0.284496736 (* (/ 1 (+ 1 (* 0.3275911 (fabs x)))) (+ 1.421413741 (* (/ 1 (+ 1 (* 0.3275911 (fabs x)))) (+ -1.453152027 (* (/ 1 (+ 1 (* 0.3275911 (fabs x)))) 1.061405429))))))))) (exp (- (* (fabs x) (fabs x)))))))