Environment - simulationEnvironment: startTime=0 stopTime=25000 tolerance=1e-06 numberOfIntervals=5000 stepSize=5 Regular simulation: ./Modelica_4.1.0-beta.om_Modelica.Fluid.Examples.Tanks.TanksWithOverflow -abortSlowSimulation -alarm=480 -s gbode -emit_protected -lv LOG_STATS LOG_STDOUT | warning | Numerical Jacobians without coloring are currently not supported by GBODE. Colored numerical Jacobian will be used. LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_STDOUT | info | Chattering detected around time 2025.14064652..2025.14064652 (100 state events in a row with a total time delta less than the step size 2.5). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: not upperTank.regularFlow[3] and (upperTank.s[3] > 0.0 or upperTank.portsData[3].height >= upperTank.fluidLevel_max) LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.