Environment - simulationEnvironment: startTime=0 stopTime=100 tolerance=1e-08 numberOfIntervals=100 stepSize=1 Regular simulation: ./IDEAS_IDEAS.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.OperationalEnvelope -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_STDOUT | info | Chattering detected around time 9.09494701773e-13..9.09494701732e-11 (100 state events in a row with a total time delta less than the step size 1). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: not opeEnv.swiHeaCoo.u3 LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.