Environment - simulationEnvironment: startTime=1.6848e+07 stopTime=1.728e+07 tolerance=1e-07 numberOfIntervals=480 stepSize=900 Regular simulation: ./Buildings_latest_Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.Guideline36Summer_Autosizing -abortSlowSimulation -alarm=240 -lv LOG_STATS LOG_STDOUT | warning | Numerical Jacobians without coloring are currently not supported by GBODE. Colored numerical Jacobian will be used. EnergyPlus Starting EnergyPlus, Version 24.2.0-638b8408fd (No OpenGL), YMD=2026.10.08 11:37 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 07/15/2006 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 16848000.000000 | | | | ((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 16848000.000000 | | | | ((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 16848000.000000 | | | | ((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 16848000.000000 | | | | ((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 16848000.000000 | | | | ((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 16848000.000001 | | | | ((hvac.fanSup.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.fanSup.etaHyd, has value: -1.38579e-16" 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 16848000.000001 | | | | ((hvac.fanSup.heaDis.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.fanSup.heaDis.etaHyd, has value: -2.54128e-12" 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 16848000.000001 | | | | ((hvac.VOut1.V_flow >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.VOut1.V_flow, has value: -5.94172e-11" 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 16870533.390597 | | | | ((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 16870533.390597 | | | | ((hvac.conVAV[2].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 16870533.390597 | | | | ((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 16870533.390597 | | | | ((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/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 16870533.390597 | | | | ((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 16870533.390597 | | | | ((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 16870533.390597 | | | | ((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/Fluid/HeatExchangers/WetCoilEffectivenessNTU.mo:78:3-83:35:writable] | | | | The following assertion has been violated at time 16916520.000000 | | | | ((hvac.cooCoi.SHR >= 0.0 and hvac.cooCoi.SHR <= 1.0)) --> "Variable violating min/max constraint: 0.0 <= hvac.cooCoi.SHR <= 1.0, has value: -1.23667e-33" 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 16916520.000000 | | | | ((hvac.pumCooCoi.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.pumCooCoi.etaHyd, has value: -2.17193e-25" 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 16916520.000000 | | | | ((hvac.pumCooCoi.m_flow >= 0.0 and hvac.pumCooCoi.m_flow <= 1e5)) --> "Variable violating min/max constraint: 0.0 <= hvac.pumCooCoi.m_flow <= 1e5, has value: -1.33108e-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 16916520.000000 | | | | ((hvac.pumCooCoi.heaDis.etaHyd >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.pumCooCoi.heaDis.etaHyd, has value: -2.38248e-23" 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 16956019.537782 | | | | ((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/Controls/OBC/CDL/Utilities/Assert.mo:11:3-11:45:writable] | | | | The following assertion has been violated at time 16956300.000000 | | | | ((hvac.conVAV[4].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 17089233.153874 | | | | ((hvac.fanSup.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.fanSup.eff.yMot, has value: -3.51724e-102" 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 17089233.153874 | | | | ((hvac.pumCooCoi.eff.yMot >= 0.0)) --> "Variable violating min constraint: 0.0 <= hvac.pumCooCoi.eff.yMot, has value: -6.33761e-47" 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 17134075.924759 | | | | ((hvac.conVAV[1].ala.not1.y)) --> "Warning: airflow is less than 50% of the setpoint." LOG_STATS | info | gbode (single-rate integration): radauIIA3 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.24358s reading init.xml | | | | | | 0.0230812s reading info.xml | | | | | | 0.0006861s [ 0.0%] pre-initialization | | | | | | 5.74808s [ 27.7%] initialization | | | | | | 0.00310823s [ 0.0%] steps | | | | | | 0s [ 0.0%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 2.2105s [ 10.6%] event-handling | | | | | | 0.0478071s [ 0.2%] overhead | | | | | | 12.7503s [ 61.4%] simulation | | | | | | 20.7605s [100.0%] total | | | | | events | | | | | | 1061 state events | | | | | | 4987 time events | | | | | solver: gbode | | | | | | 25944 steps taken | | | | | | 127376 calls of functionODE | | | | | | 7001 evaluations of jacobian | | | | | | 8 error test failures | | | | | | 1435 convergence test failures | | | | | | 5.43551s time of jacobian evaluation LOG_SUCCESS | info | The simulation finished successfully. Writing final SQL reports EnergyPlus Run Time=00hr 00min 15.41sec EnergyPlus Completed Successfully.