Use the --timeout flag to change the timeout.
\frac{\left(-b_2\right) + \sqrt{b_2 \cdot b_2 - a \cdot c}}{a}double f(double a, double b_2, double c) {
double r25607 = b_2;
double r25608 = -r25607;
double r25609 = r25607 * r25607;
double r25610 = a;
double r25611 = c;
double r25612 = r25610 * r25611;
double r25613 = r25609 - r25612;
double r25614 = sqrt(r25613);
double r25615 = r25608 + r25614;
double r25616 = r25615 / r25610;
return r25616;
}
herbie shell --seed 2019194
(FPCore (a b_2 c)
:name "quad2p (problem 3.2.1, positive)"
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a))