Environment - simulationEnvironment: startTime=0 stopTime=1 tolerance=1e-06 numberOfIntervals=1000 stepSize=0.001 Regular simulation: ./Modelica_4.1.0-beta.om_Modelica.Mechanics.Rotational.Examples.LossyGearDemo3 -abortSlowSimulation -alarm=480 -emit_protected -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 | Chattering detected around time 0.0200000000002..0.0200000000398 (100 state events in a row with a total time delta less than the step size 0.001). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: (pre(gear.mode) == -1 or gear.startBackward) and Inertia1.w < 0.0 LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.