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 r205222 = x;
double r205223 = y;
double r205224 = r205222 * r205223;
double r205225 = z;
double r205226 = t;
double r205227 = r205225 * r205226;
double r205228 = r205224 + r205227;
double r205229 = a;
double r205230 = b;
double r205231 = r205229 * r205230;
double r205232 = r205228 + r205231;
double r205233 = c;
double r205234 = i;
double r205235 = r205233 * r205234;
double r205236 = r205232 + r205235;
return r205236;
}
herbie shell --seed 2019362 +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)))