Environment - simulationEnvironment: startTime=0 stopTime=1 tolerance=1e-06 numberOfIntervals=5003 stepSize=0.00019988 Regular simulation: ./ModelicaTest_4.1.0_ModelicaTest.Electrical.Analog.Ideal.IdealTwoWaySwitches -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_STDOUT | info | Chattering detected around time 0.499900059965..0.499900060038 (100 state events in a row with a total time delta less than the step size 0.000199880071957). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: r1.n.v > controlledTwoWay.level LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.