Use the --timeout flag to change the timeout.
\left(\left(x \cdot y + z \cdot t\right) + a \cdot b\right) + c \cdot i
double f(double x, double y, double z, double t, double a, double b, double c, double i) {
double r6147584 = x;
double r6147585 = y;
double r6147586 = r6147584 * r6147585;
double r6147587 = z;
double r6147588 = t;
double r6147589 = r6147587 * r6147588;
double r6147590 = r6147586 + r6147589;
double r6147591 = a;
double r6147592 = b;
double r6147593 = r6147591 * r6147592;
double r6147594 = r6147590 + r6147593;
double r6147595 = c;
double r6147596 = i;
double r6147597 = r6147595 * r6147596;
double r6147598 = r6147594 + r6147597;
return r6147598;
}
herbie shell --seed 2019171
(FPCore (x y z t a b c i)
:name "Linear.V4:$cdot from linear-1.19.1.3, C"
(+ (+ (+ (* x y) (* z t)) (* a b)) (* c i)))