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 r75186 = x;
double r75187 = y;
double r75188 = r75186 * r75187;
double r75189 = z;
double r75190 = t;
double r75191 = r75189 * r75190;
double r75192 = r75188 + r75191;
double r75193 = a;
double r75194 = b;
double r75195 = r75193 * r75194;
double r75196 = r75192 + r75195;
double r75197 = c;
double r75198 = i;
double r75199 = r75197 * r75198;
double r75200 = r75196 + r75199;
return r75200;
}
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"
:precision binary64
(+ (+ (+ (* x y) (* z t)) (* a b)) (* c i)))