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 r144877 = x;
double r144878 = y;
double r144879 = r144877 * r144878;
double r144880 = z;
double r144881 = t;
double r144882 = r144880 * r144881;
double r144883 = r144879 + r144882;
double r144884 = a;
double r144885 = b;
double r144886 = r144884 * r144885;
double r144887 = r144883 + r144886;
double r144888 = c;
double r144889 = i;
double r144890 = r144888 * r144889;
double r144891 = r144887 + r144890;
return r144891;
}
herbie shell --seed 2020042 +o rules:numerics
(FPCore (x y z t a b c i)
:name "Linear.V4:$cdot from linear-1.19.1.3, C"
:precision binary64
(+ (+ (+ (* x y) (* z t)) (* a b)) (* c i)))