Environment - simulationEnvironment: startTime=0 stopTime=172800 tolerance=1e-08 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./AixLib_latest_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 | | | | | | 0.00877176s reading init.xml | | | | | | 0.00077278s reading info.xml | | | | | | 0.00017601s [ 1.4%] pre-initialization | | | | | | 0.000204844s [ 1.6%] initialization | | | | | | 0.00015458s [ 1.2%] steps | | | | | | 0.00329999s [ 26.4%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 8.9002e-05s [ 0.7%] event-handling | | | | | | 0.00266035s [ 21.3%] overhead | | | | | | 0.00590529s [ 47.3%] simulation | | | | | | 0.0124901s [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 | | | | | | 0.00114173s time of jacobian evaluation