startTime=0 stopTime=1000 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.4 Regular simulation: ./Buildings_8_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.CoolingCoilHumidifyingHeating_OpenLoop -abortSlowSimulation -alarm=480 -lv LOG_STATS assert | warning | The following assertion has been violated at time 0.000000 | | | | ahu.sta_b1.p >= 0.0 and ahu.sta_b1.p <= 100000000.0 assert | warning | Variable violating min/max constraint: 0.0 <= ahu.sta_b1.p <= 100000000.0, has value: -2.83992e+06 LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. assert | info | The following assertion has been violated at time 0.800000 | | | | ahu.eleHea.hea.outCon.T >= 0.0 assert | info | Variable violating min constraint: 0.0 <= ahu.eleHea.hea.outCon.T, has value: -18.6941 stdout | info | Chattering detected around time 17.1269556046..17.1691632616 (100 state events in a row with a total time delta less than the step size 0.2). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: ahu.watVal.filter.y > ahu.heaCon.yValSwi + ahu.heaCon.yValDeaBan or ahu.dT.y > ahu.heaCon.dTSwi + ahu.heaCon.dTDeaBan assert | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.