Use the --timeout flag to change the timeout.
x + \left(y \cdot z\right) \cdot \left(\tanh \left(\frac{t}{y}\right) - \tanh \left(\frac{x}{y}\right)\right)double f(double x, double y, double z, double t) {
double r20501745 = x;
double r20501746 = y;
double r20501747 = z;
double r20501748 = r20501746 * r20501747;
double r20501749 = t;
double r20501750 = r20501749 / r20501746;
double r20501751 = tanh(r20501750);
double r20501752 = r20501745 / r20501746;
double r20501753 = tanh(r20501752);
double r20501754 = r20501751 - r20501753;
double r20501755 = r20501748 * r20501754;
double r20501756 = r20501745 + r20501755;
return r20501756;
}
herbie shell --seed 2019168 +o rules:numerics
(FPCore (x y z t)
:name "SynthBasics:moogVCF from YampaSynth-0.2"
:herbie-target
(+ x (* y (* z (- (tanh (/ t y)) (tanh (/ x y))))))
(+ x (* (* y z) (- (tanh (/ t y)) (tanh (/ x y))))))