Environment - simulationEnvironment: startTime=432000 stopTime=864000 tolerance=1e-07 numberOfIntervals=480 stepSize=900 Regular simulation (ida: SUNDIALS IDA): (cd run_ida && ../Buildings_latest_Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.Guideline36Winter_Autosizing -abortSlowSimulation -alarm=240 -lv LOG_STATS -inputPath=.. -s ida) EnergyPlus Starting EnergyPlus, Version 24.2.0-638b8408fd (No OpenGL), YMD=2026.10.22 14:35 Initializing Response Factors Calculating CTFs for "ATTIC NON-RES FLOOR" Calculating CTFs for "ATTIC NON-RES ROOF" Calculating CTFs for "INTERIORFURNISHINGS" Calculating CTFs for "MASS NON-RES EXT WALL" Calculating CTFs for "EXT-SLAB" Calculating CTFs for "INT-WALLS" Initializing Window Optical Properties Initializing Solar Calculations Allocate Solar Module Arrays Initializing Zone and Enclosure Report Variables Initializing Surface (Shading) Report Variables Determining Shadowing Combinations Computing Window Shade Absorption Factors Proceeding with Initializing Solar Calculations Initializing Surfaces Initializing Outdoor environment for Surfaces Setting up Surface Reporting Variables Initializing Temperature and Flux Histories Initializing Window Shading Computing Interior Absorption Factors Computing Interior Diffuse Solar Absorption Factors Initializing Solar Heat Gains Initializing Internal Heat Gains Initializing Interior Solar Distribution Initializing Interior Convection Coefficients Gathering Information for Predefined Reporting Completed Initializing Surface Heat Balance Calculate Outside Surface Heat Balance Calculate Inside Surface Heat Balance Calculate Air Heat Balance Initializing HVAC Warming up Warming up Warming up Warming up Warming up Warming up Performing Zone Sizing Simulation ...for Sizing Period: #1 CHICAGO ANN CLG .4% CONDNS WB=>MDB Warming up Warming up Warming up Warming up Warming up Warming up Performing Zone Sizing Simulation ...for Sizing Period: #2 CHICAGO ANN HTG 99.6% CONDNS DB Adjusting Air System Sizing Adjusting Standard 62.1 Ventilation Sizing Initializing Simulation Reporting Surfaces Beginning Primary Simulation Initializing New Environment Parameters Warming up {1} Warming up {2} Warming up {3} Warming up {4} Warming up {5} Warming up {6} Warming up {7} Warming up {8} Warming up {9} Warming up {10} Warming up {11} Starting Simulation at 01/06/2006 for SPAWN-RUNPERIOD LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Examples/VAVReheat/BaseClasses/VAVReheatBox.mo:70:3-74:57:writable] | | | | The following assertion has been violated at time 432000.000000 | | | | ((hvac.VAVBox[1].VSup_flow >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.VAVBox[1].VSup_flow, has value: -4.20836e-13" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Examples/VAVReheat/BaseClasses/VAVReheatBox.mo:70:3-74:57:writable] | | | | The following assertion has been violated at time 432000.000000 | | | | ((hvac.VAVBox[2].VSup_flow >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.VAVBox[2].VSup_flow, has value: -3.73538e-13" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Examples/VAVReheat/BaseClasses/VAVReheatBox.mo:70:3-74:57:writable] | | | | The following assertion has been violated at time 432000.000000 | | | | ((hvac.VAVBox[3].VSup_flow >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.VAVBox[3].VSup_flow, has value: -3.69515e-13" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Examples/VAVReheat/BaseClasses/VAVReheatBox.mo:70:3-74:57:writable] | | | | The following assertion has been violated at time 432000.000000 | | | | ((hvac.VAVBox[4].VSup_flow >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.VAVBox[4].VSup_flow, has value: -4.10956e-13" LOG_ASSERT | warning | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Examples/VAVReheat/BaseClasses/VAVReheatBox.mo:70:3-74:57:writable] | | | | The following assertion has been violated at time 432000.000000 | | | | ((hvac.VAVBox[5].VSup_flow >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.VAVBox[5].VSup_flow, has value: -3.59023e-13" LOG_SUCCESS | info | The initialization finished successfully with 3 homotopy steps. LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:101:3-101:89:writable] | | | | The following assertion has been violated at time 432000.000004 | | | | ((hvac.fanSup.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.fanSup.etaHyd, has value: -2.48918e-13" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Fluid/Movers/BaseClasses/PowerInterface.mo:46:3-47:27:writable] | | | | The following assertion has been violated at time 432000.000004 | | | | ((hvac.fanSup.heaDis.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.fanSup.heaDis.etaHyd, has value: -4.56469e-09" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 453900.000000 | | | | ((hvac.conVAV[5].ala.not1.y)) --> "Warning: airflow is less than 50% of the setpoint." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 453900.000000 | | | | ((hvac.conVAV[5].ala.not2.y)) --> "Warning: airflow is less than 70% of the setpoint." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 456107.074584 | | | | ((hvac.conVAV[3].ala.not2.y)) --> "Warning: airflow is less than 70% of the setpoint." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 456305.351776 | | | | ((hvac.conVAV[1].ala.not2.y)) --> "Warning: airflow is less than 70% of the setpoint." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 456587.902029 | | | | ((hvac.conVAV[3].ala.not1.y)) --> "Warning: airflow is less than 50% of the setpoint." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:311:3-315:28:writable] | | | | The following assertion has been violated at time 500430.000000 | | | | ((hvac.fanSup.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.fanSup.eff.yMot, has value: -7.08399e-65" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:101:3-101:89:writable] | | | | The following assertion has been violated at time 504360.000000 | | | | ((hvac.pumHeaCoi.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.pumHeaCoi.etaHyd, has value: -9.29256e-22" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Fluid/Movers/BaseClasses/PartialFlowMachine.mo:117:3-118:81:writable] | | | | The following assertion has been violated at time 504360.000000 | | | | ((hvac.pumHeaCoi.m_flow >= 0.0 and hvac.pumHeaCoi.m_flow <= 1e5)) --> "Variable violating min/max constraint: 0.0 <= hvac.pumHeaCoi.m_flow <= 1e5, has value: -9.94881e-12" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Fluid/Movers/BaseClasses/PowerInterface.mo:46:3-47:27:writable] | | | | The following assertion has been violated at time 504360.000000 | | | | ((hvac.pumHeaCoi.heaDis.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.pumHeaCoi.heaDis.etaHyd, has value: -1.16477e-20" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Fluid/Movers/BaseClasses/FlowMachineInterface.mo:311:3-315:28:writable] | | | | The following assertion has been violated at time 504840.000000 | | | | ((hvac.pumHeaCoi.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.pumHeaCoi.eff.yMot, has value: -1.20423e-227" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Utilities/Psychrometrics/TDewPoi_pW.mo:5:3-9:74:writable] | | | | The following assertion has been violated at time 531600.000000 | | | | ((hvac.cooCoi.dryWetCalcs.TDewIn.p_w >= 100.0)) --> "Variable violating min constraint: 100.0 <= hvac.cooCoi.dryWetCalcs.TDewIn.p_w, has value: 99.897" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 578626.091513 | | | | ((hvac.conVAV[2].ala.not2.y)) --> "Warning: airflow is less than 70% of the setpoint." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 670550.772012 | | | | ((hvac.conVAV[4].ala.not2.y)) --> "Warning: airflow is less than 70% of the setpoint." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Fluid/Sensors/VolumeFlowRate.mo:19:3-26:24:writable] | | | | The following assertion has been violated at time 673295.073939 | | | | ((hvac.VOut1.V_flow >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.VOut1.V_flow, has value: -4.42705e-16" LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 728321.884930 | | | | ((not hvac.conVAV[1].ala.truDel6.y)) --> "Warning: the valve is leaking." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 842416.844961 | | | | ((not hvac.conVAV[3].ala.truDel6.y)) --> "Warning: the valve is leaking." LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 842761.592154 | | | | ((not hvac.conVAV[2].ala.truDel6.y)) --> "Warning: the valve is leaking." LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.227661s reading init.xml | | | | | | 0.0207601s reading info.xml | | | | | | 0.00051618s [ 0.0%] pre-initialization | | | | | | 5.6293s [ 4.7%] initialization | | | | | | 0.00855698s [ 0.0%] steps | | | | | | 11.6316s [ 9.8%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 4.39273s [ 3.7%] event-handling | | | | | | 0.11534s [ 0.1%] overhead | | | | | | 97.1653s [ 81.7%] simulation | | | | | | 118.943s [100.0%] total | | | | | events | | | | | | 5117 state events | | | | | | 4417 time events | | | | | solver: ida | | | | | | 222298 steps taken | | | | | | 293146 calls of functionODE | | | | | | 129997 evaluations of jacobian | | | | | | 6256 error test failures | | | | | | 1368 convergence test failures | | | | | | 88.9166s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully. Writing final SQL reports EnergyPlus Run Time=00hr 01min 53.74sec EnergyPlus Completed Successfully.