Use the --timeout flag to change the timeout.
\frac{\cos th}{\sqrt{2}} \cdot \left(a1 \cdot a1\right) + \frac{\cos th}{\sqrt{2}} \cdot \left(a2 \cdot a2\right)double f(double a1, double a2, double th) {
double r54825023 = th;
double r54825024 = cos(r54825023);
double r54825025 = 2.0;
double r54825026 = sqrt(r54825025);
double r54825027 = r54825024 / r54825026;
double r54825028 = a1;
double r54825029 = r54825028 * r54825028;
double r54825030 = r54825027 * r54825029;
double r54825031 = a2;
double r54825032 = r54825031 * r54825031;
double r54825033 = r54825027 * r54825032;
double r54825034 = r54825030 + r54825033;
return r54825034;
}
herbie shell --seed 2019125
(FPCore (a1 a2 th)
:name "Migdal et al, Equation (64)"
(+ (* (/ (cos th) (sqrt 2)) (* a1 a1)) (* (/ (cos th) (sqrt 2)) (* a2 a2))))