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 r101234 = x;
double r101235 = y;
double r101236 = r101234 * r101235;
double r101237 = z;
double r101238 = t;
double r101239 = r101237 * r101238;
double r101240 = r101236 + r101239;
double r101241 = a;
double r101242 = b;
double r101243 = r101241 * r101242;
double r101244 = r101240 + r101243;
double r101245 = c;
double r101246 = i;
double r101247 = r101245 * r101246;
double r101248 = r101244 + r101247;
return r101248;
}
herbie shell --seed 2020042
(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)))