Environment - simulationEnvironment: startTime=0 stopTime=10 tolerance=1e-06 numberOfIntervals=5052 stepSize=0.00197941 Regular simulation: ./Modelica_4.1.0_Modelica.Blocks.Examples.IntegerNetwork1 -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 1.59936658749..1.59936658758 (100 state events in a row with a total time delta less than the step size 0.00197941409343). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: multiSwitch1.firstActiveIndex > 0 LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.