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 r3531602 = x;
double r3531603 = y;
double r3531604 = r3531602 * r3531603;
double r3531605 = z;
double r3531606 = t;
double r3531607 = r3531605 * r3531606;
double r3531608 = r3531604 + r3531607;
double r3531609 = a;
double r3531610 = b;
double r3531611 = r3531609 * r3531610;
double r3531612 = r3531608 + r3531611;
double r3531613 = c;
double r3531614 = i;
double r3531615 = r3531613 * r3531614;
double r3531616 = r3531612 + r3531615;
return r3531616;
}
herbie shell --seed 2019171 +o rules:numerics
(FPCore (x y z t a b c i)
:name "Linear.V4:$cdot from linear-1.19.1.3"
(+ (+ (+ (* x y) (* z t)) (* a b)) (* c i)))