Environment - simulationEnvironment: startTime=0 stopTime=250 tolerance=1e-06 numberOfIntervals=5078 stepSize=0.049232 Regular simulation: ./Modelica_4.0.0_Modelica.Electrical.Digital.Examples.Multiplexer -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 0.00100000000039..0.0492319811637 (100 state events in a row with a total time delta less than the step size 0.0492319810949). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: integer(delay(0, FF.RS1.TD1.xr, FF.RS1.TD1.delayTime, FF.RS1.TD1.delayTime), 1) LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.