Regular simulation: ./AixLib_master_AixLib.Fluid.Storage.Validation.HeatExchangerDynamics -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. stdout | info | ##IDA## -4 error occurred at time = 13499.8428163771 stdout | info | model terminate | Integrator failed. | Simulation terminated at time 13499.8 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.106115s reading init.xml | | | | | | 0.0115438s reading info.xml | | | | | | 0.000279134s [ 0.1%] pre-initialization | | | | | | 0.00120215s [ 0.2%] initialization | | | | | | 0.0343454s [ 6.4%] steps | | | | | | 0.181529s [ 34.0%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.00778876s [ 1.5%] event-handling | | | | | | 0.0184039s [ 3.4%] overhead | | | | | | 0.289908s [ 54.3%] simulation | | | | | | 0.533457s [100.0%] total | | | | | events | | | | | | 8 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 4624 steps taken | | | | | | 8816 calls of functionODE | | | | | | 907 evaluations of jacobian | | | | | | 340 error test failures | | | | | | 36 convergence test failures | | | | | | 0.162753s time of jacobian evaluation