Environment - simulationEnvironment: startTime=0 stopTime=1 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.0004 Regular simulation: ./Chemical_master_Chemical.Examples.GasSolubility_NIST1 -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_STDOUT | info | Chattering detected around time 0.373647859262..0.373658003751 (100 state events in a row with a total time delta less than the step size 0.0004). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: O2_dissolutionE_NIST.rear.n_flow >= 0.0 LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.