../../td/ElasticConstantsCubic__TD_011862047401_006/runner:120: RuntimeWarning: Maximum number of iterations has been exceeded. fmin(self.energy_from_scale, 0, xtol=0, ftol=1e-7, maxiter=2000) {"realtime":6.62,"usertime":8.64,"systime":14.95,"memmax":167780,"memavg":0}