Environment - simulationEnvironment: startTime=0 stopTime=172800 tolerance=1e-06 numberOfIntervals=2500 stepSize=69.12 Regular simulation: ./Buildings_1.6_Buildings.Examples.VAVCO2.VAVSystemCTControl -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 1.6.0+build.1/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:51:3-51:80:writable] | | | | The following assertion has been violated at time 0.008341 | | | | ((fan32.r_N >= 0.0)) --> "Variable violating min constraint: 0.0 <= fan32.r_N, has value: -3.79259e-20" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Blocks/Interfaces.mo:329:5-330:56:writable] | | | | The following assertion has been violated at time 0.008341 | | | | ((fan32.filter.y >= 0.0 and fan32.filter.y <= 1500.0)) --> "Variable violating min/max constraint: 0.0 <= fan32.filter.y <= 1500.0, has value: -5.68889e-17" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 1.6.0+build.1/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:51:3-51:80:writable] | | | | The following assertion has been violated at time 0.008341 | | | | ((fan56.r_N >= 0.0)) --> "Variable violating min constraint: 0.0 <= fan56.r_N, has value: -3.79259e-20" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Blocks/Interfaces.mo:329:5-330:56:writable] | | | | The following assertion has been violated at time 0.008341 | | | | ((fan56.filter.y >= 0.0 and fan56.filter.y <= 1500.0)) --> "Variable violating min/max constraint: 0.0 <= fan56.filter.y <= 1500.0, has value: -5.68889e-17" LOG_STDOUT | info | Chattering detected around time 0.00834129016733..0.00922057203678 (100 state events in a row with a total time delta less than the step size 34.56). This can be a performance bottleneck. Use -lv LOG_EVENTS for more information. The zero-crossing was: res33.m_flow > 0.0 LOG_ASSERT | debug | Aborting simulation due to chattering being detected and the simulation flags requesting we do not continue further.