Environment - simulationEnvironment: startTime=0 stopTime=172800 tolerance=1e-08 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./AixLib_AixLib.Fluid.HeatExchangers.Examples.WaterCooler_T -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 without homotopy method. LOG_STDOUT | info | ##IDA## -4 error occurred at time = 68400.0134787688 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 68400 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.008083s reading init.xml | | | | | | 0.000760487s reading info.xml | | | | | | 0.000156233s [ 1.1%] pre-initialization | | | | | | 0.000184997s [ 1.3%] initialization | | | | | | 0.0001657s [ 1.1%] steps | | | | | | 0.00389603s [ 26.8%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 9.6048e-05s [ 0.7%] event-handling | | | | | | 0.00315051s [ 21.6%] overhead | | | | | | 0.00690744s [ 47.5%] simulation | | | | | | 0.014557s [100.0%] total | | | | | events | | | | | | 3 state events | | | | | | 0 time events | | | | | solver: ida | | | | | | 1855 steps taken | | | | | | 2645 calls of functionODE | | | | | | 372 evaluations of jacobian | | | | | | 139 error test failures | | | | | | 13 convergence test failures | | | | | | 0.00133399s time of jacobian evaluation