Environment - simulationEnvironment: startTime=0 stopTime=100 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.04 Regular simulation: ./Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.FanCoilUnits.Subsequences.Validation.FanSpeed -abortSlowSimulation -alarm=800 -emit_protected -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_STDOUT | info | Chattering detected around time 64.16..64.1600000001 (100 state events in a row with a total time delta less than the step size 0.04). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: reaToInt5.y == fanSpe5.unOccMod.k LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.