Environment - simulationEnvironment: startTime=0 stopTime=86400 tolerance=1e-06 numberOfIntervals=5017 stepSize=17.2214 Regular simulation: ./Modelica_trunk_Modelica.Fluid.Examples.TraceSubstances.RoomCO2WithControls -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Fluid/Interfaces.mo:846:3-846:50:writable] | | | | The following assertion has been violated at time 32400.000003 | | | | ((ductIn.mCs[2,1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= ductIn.mCs[2,1], has value: -8.41702e-19" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Fluid/Interfaces.mo:849:3-849:64:writable] | | | | The following assertion has been violated at time 32400.000003 | | | | ((ductIn.mCs_scaled[2,1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= ductIn.mCs_scaled[2,1], has value: -5.54116e-18" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/Fluid/Interfaces.mo:850:3-850:74:writable] | | | | The following assertion has been violated at time 32400.000003 | | | | ((ductIn.Cs[2,1] >= 0.0)) --> "Variable violating min constraint: 0.0 <= ductIn.Cs[2,1], has value: -1.59189e-17" LOG_STDOUT | info | Chattering detected around time 39656.9324623..39656.9817201 (100 state events in a row with a total time delta less than the step size 17.2214470799). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: (-ductOut.m_flows[1]) > 0.0 LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.