Environment - simulationEnvironment: startTime=0 stopTime=600 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.24 Regular simulation: ./AixLib_latest_AixLib.Fluid.Movers.PumpsPolynomialBased.Examples.PumpHeadControlled -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_STDOUT | warning | Internal Numerical Jacobians without coloring are currently not supported by IDA with KLU. Colored numerical Jacobian will be used. LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 530.923201365323 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 530.923 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.00677307s reading init.xml | | | | | | 0.000491372s reading info.xml | | | | | | 0.000141916s [ 0.6%] pre-initialization | | | | | | 0.000245721s [ 1.1%] initialization | | | | | | 0.000111279s [ 0.5%] steps | | | | | | 0.00301803s [ 13.3%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.000141181s [ 0.6%] event-handling | | | | | | 0.0037669s [ 16.6%] overhead | | | | | | 0.0153196s [ 67.4%] simulation | | | | | | 0.0227446s [100.0%] total | | | | | events | | | | | | 6 state events | | | | | | 1 time events | | | | | solver: ida | | | | | | 788 steps taken | | | | | | 1231 calls of functionODE | | | | | | 227 evaluations of jacobian | | | | | | 30 error test failures | | | | | | 38 convergence test failures | | | | | | 0.000568776s time of jacobian evaluation