Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.SeriesFanVVF.Subsequences.Validation.ActiveAirFlow -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_STDOUT | info | Chattering detected around time 358.56..358.56 (100 state events in a row with a total time delta less than the step size 1.44). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: actAirSet.cooDowMod.k == reaToInt2.y LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.