Timeout in 10.0m

Use the --timeout flag to change the timeout.

\[\sqrt{x + 1} - \sqrt{x}\]
\sqrt{x + 1} - \sqrt{x}
double f(double x) {
        double r48863488 = x;
        double r48863489 = 1.0;
        double r48863490 = r48863488 + r48863489;
        double r48863491 = sqrt(r48863490);
        double r48863492 = sqrt(r48863488);
        double r48863493 = r48863491 - r48863492;
        return r48863493;
}

Reproduce

herbie shell --seed 2019112 
(FPCore (x)
  :name "2sqrt (example 3.1)"

  :herbie-target
  (/ 1 (+ (sqrt (+ x 1)) (sqrt x)))

  (- (sqrt (+ x 1)) (sqrt x)))