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 r78000 = x;
double r78001 = y;
double r78002 = r78000 * r78001;
double r78003 = z;
double r78004 = t;
double r78005 = r78003 * r78004;
double r78006 = r78002 + r78005;
double r78007 = a;
double r78008 = b;
double r78009 = r78007 * r78008;
double r78010 = r78006 + r78009;
double r78011 = c;
double r78012 = i;
double r78013 = r78011 * r78012;
double r78014 = r78010 + r78013;
return r78014;
}
herbie shell --seed 2020043 +o rules:numerics
(FPCore (x y z t a b c i)
:name "Linear.V4:$cdot from linear-1.19.1.3"
:precision binary64
(+ (+ (+ (* x y) (* z t)) (* a b)) (* c i)))