Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr AixLib_latest_AixLib.Airflow.Multizone.Examples.NaturalVentilation.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo", uses=false) Using package SDF with version 0.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo) Using package Modelica_DeviceDrivers with version 2.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package AixLib with version 1.3.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/package.mo) Running command: "" <> buildModelFMU(AixLib.Airflow.Multizone.Examples.NaturalVentilation,fileNamePrefix="AixLib_latest_AixLib_Airflow_Multizone_Examples_NaturalVentilation",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(AixLib.Airflow.Multizone.Examples.NaturalVentilation,fileNamePrefix="AixLib_latest_AixLib_Airflow_Multizone_Examples_NaturalVentilation",fmuType="me",version="2.0",platforms={"static"}) [:1:1-1:32:writable] Error: Class GC_set_max_heap_size not found in scope (looking for a function or record). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/BoundaryConditions/InternalGains/Examples/InternalGains/Lights.mo:27:20-27:398:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/BoundaryConditions/InternalGains/Examples/InternalGains/Machines.mo:31:20-31:400:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/DataBase/CHP/CHPDataSimple/CHP_Cleanergy_C9G.mo:36:34-36:594:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:588:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:3852:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_NE_SE_SW_NW_Hor.mo:5:35-5:324:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_Hor.mo:5:35-5:320:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_RoofN_Roof_S.mo:5:35-5:362:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6228:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6853:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:8435:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:9369:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:11505:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:12875:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:2066:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:4252:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/ThermalZones/HighOrder/Components/Examples/DryAir/DryAir_test.mo:71:18-71:405:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/package.mo): time 1.591/1.591, allocations: 265 MB / 272.3 MB, free: 8.723 MB / 218.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00103/0.00103, allocations: 189.2 kB / 329.7 MB, free: 284 kB / 266.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.316/1.316, allocations: 221.4 MB / 0.5941 GB, free: 14.51 MB / 458.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009828/0.0009829, allocations: 108 kB / 0.6993 GB, free: 2.625 MB / 0.5418 GB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo): time 0.04916/0.04916, allocations: 11.9 MB / 0.816 GB, free: 65.52 MB / 0.5418 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo:9:42-9:258:writable] Notification: This is an open source dummy package of a commercial library. If you want it to be supported, you will need to add an implemention on our github repository: https://github.com/Modelica-OpenVendorSpecificLibraries. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0004406/0.0004406, allocations: 20.03 kB / 0.924 GB, free: 86.88 MB / 0.573 GB Notification: Performance of FrontEnd - loaded program: time 0.2309/0.2313, allocations: 117.8 MB / 1.039 GB, free: 9.105 MB / 0.5887 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2314/0.4628, allocations: 110.2 MB / 1.147 GB, free: 10.79 MB / 0.698 GB Notification: Performance of FrontEnd - scodeFlatten: time 3.976/4.438, allocations: 1.904 GB / 3.051 GB, free: 299.9 MB / 0.9324 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002518/4.439, allocations: 84.2 kB / 3.051 GB, free: 299.9 MB / 0.9324 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 214 * Number of variables: 214 Notification: Performance of Generate backend data structure: time 2.157/6.596, allocations: 0.6654 GB / 3.716 GB, free: 164.2 MB / 0.9324 GB Notification: Performance of prepare preOptimizeDAE: time 4.342e-05/6.596, allocations: 10.5 kB / 3.716 GB, free: 164.2 MB / 0.9324 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002641/6.598, allocations: 397.3 kB / 3.717 GB, free: 164.2 MB / 0.9324 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001609/6.6, allocations: 0.8749 MB / 3.718 GB, free: 163.9 MB / 0.9324 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.974e-05/6.6, allocations: 24.97 kB / 3.718 GB, free: 163.9 MB / 0.9324 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001189/6.6, allocations: 52.84 kB / 3.718 GB, free: 163.9 MB / 0.9324 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.001224/6.602, allocations: 0.771 MB / 3.718 GB, free: 163.9 MB / 0.9324 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001256/6.603, allocations: 0.9112 MB / 3.719 GB, free: 163.7 MB / 0.9324 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.124e-05/6.603, allocations: 9.219 kB / 3.719 GB, free: 163.7 MB / 0.9324 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.705e-05/6.603, allocations: 0 / 3.719 GB, free: 163.7 MB / 0.9324 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.858e-05/6.603, allocations: 42.09 kB / 3.719 GB, free: 163.7 MB / 0.9324 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004192/6.607, allocations: 4.506 MB / 3.724 GB, free: 161.1 MB / 0.9324 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008569/6.608, allocations: 0.6352 MB / 3.724 GB, free: 161.1 MB / 0.9324 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005917/6.609, allocations: 455.5 kB / 3.725 GB, free: 161.1 MB / 0.9324 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005074/6.609, allocations: 0.6732 MB / 3.725 GB, free: 160.3 MB / 0.9324 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.059e-05/6.609, allocations: 39.03 kB / 3.726 GB, free: 160.3 MB / 0.9324 GB Notification: Performance of pre-optimization done (n=70): time 2.755e-06/6.609, allocations: 3.312 kB / 3.726 GB, free: 160.3 MB / 0.9324 GB Notification: Performance of matching and sorting (n=70): time 0.001752/6.611, allocations: 0.7755 MB / 3.726 GB, free: 160.2 MB / 0.9324 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.801e-05/6.611, allocations: 62.28 kB / 3.726 GB, free: 160.1 MB / 0.9324 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005018/6.611, allocations: 485.3 kB / 3.727 GB, free: 160 MB / 0.9324 GB Notification: Performance of collectPreVariables (initialization): time 4.843e-05/6.612, allocations: 28.95 kB / 3.727 GB, free: 160 MB / 0.9324 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001602/6.612, allocations: 326.9 kB / 3.727 GB, free: 159.8 MB / 0.9324 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001703/6.612, allocations: 245 kB / 3.727 GB, free: 159.7 MB / 0.9324 GB Notification: Performance of simplifyInitialFunctions (initialization): time 3.407e-05/6.612, allocations: 0 / 3.727 GB, free: 159.7 MB / 0.9324 GB Notification: Performance of setup shared object (initialization): time 8.94e-05/6.612, allocations: 385.2 kB / 3.728 GB, free: 159.4 MB / 0.9324 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003372/6.612, allocations: 272.8 kB / 3.728 GB, free: 159.4 MB / 0.9324 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003891/6.613, allocations: 370.2 kB / 3.728 GB, free: 159.3 MB / 0.9324 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005655/6.613, allocations: 349.3 kB / 3.729 GB, free: 159.3 MB / 0.9324 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.406e-06/6.613, allocations: 0 / 3.729 GB, free: 159.3 MB / 0.9324 GB Notification: Performance of matching and sorting (n=82) (initialization): time 0.001157/6.615, allocations: 0.7859 MB / 3.729 GB, free: 159.2 MB / 0.9324 GB Notification: Performance of prepare postOptimizeDAE: time 1.906e-05/6.615, allocations: 7.188 kB / 3.729 GB, free: 159.2 MB / 0.9324 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.765e-06/6.615, allocations: 6.969 kB / 3.729 GB, free: 159.2 MB / 0.9324 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.132e-05/6.615, allocations: 7.75 kB / 3.729 GB, free: 159.2 MB / 0.9324 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000707/6.615, allocations: 149.5 kB / 3.73 GB, free: 159.2 MB / 0.9324 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.857e-06/6.615, allocations: 3.875 kB / 3.73 GB, free: 159.2 MB / 0.9324 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001011/6.616, allocations: 80.98 kB / 3.73 GB, free: 159.2 MB / 0.9324 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.377e-05/6.616, allocations: 28.88 kB / 3.73 GB, free: 159.2 MB / 0.9324 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (82): * Single equations (assignments): 82 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.000127/6.617, allocations: 115.7 kB / 3.73 GB, free: 159.1 MB / 0.9324 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001303/6.617, allocations: 86.81 kB / 3.73 GB, free: 159.1 MB / 0.9324 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001357/6.618, allocations: 0.8038 MB / 3.731 GB, free: 159 MB / 0.9324 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.687e-06/6.618, allocations: 7.625 kB / 3.731 GB, free: 159 MB / 0.9324 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.66e-06/6.618, allocations: 0 / 3.731 GB, free: 159 MB / 0.9324 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001034/6.619, allocations: 0.8259 MB / 3.732 GB, free: 158.7 MB / 0.9324 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002398/6.622, allocations: 1.786 MB / 3.733 GB, free: 158.4 MB / 0.9324 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.785e-06/6.622, allocations: 0 / 3.733 GB, free: 158.4 MB / 0.9324 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008913/6.622, allocations: 177.9 kB / 3.733 GB, free: 158.4 MB / 0.9324 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.06e-06/6.622, allocations: 0 / 3.733 GB, free: 158.4 MB / 0.9324 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.031e-05/6.622, allocations: 14.02 kB / 3.733 GB, free: 158.4 MB / 0.9324 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.557e-06/6.623, allocations: 6.375 kB / 3.733 GB, free: 158.4 MB / 0.9324 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.074e-06/6.623, allocations: 3.844 kB / 3.733 GB, free: 158.4 MB / 0.9324 GB Notification: Performance of postOpt detectJacobianSparsePattern (simulation): time 0.00153/6.624, allocations: 1.307 MB / 3.735 GB, free: 158.2 MB / 0.9324 GB Notification: Performance of postOpt generateSymbolicLinearization (simulation): time 0.002461/6.627, allocations: 2.228 MB / 3.737 GB, free: 157.7 MB / 0.9324 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003946/6.627, allocations: 255.9 kB / 3.737 GB, free: 157.5 MB / 0.9324 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001341/6.627, allocations: 3.875 kB / 3.737 GB, free: 157.5 MB / 0.9324 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008101/6.628, allocations: 59.38 kB / 3.737 GB, free: 157.5 MB / 0.9324 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.312e-05/6.628, allocations: 44.95 kB / 3.737 GB, free: 157.5 MB / 0.9324 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.253e-05/6.628, allocations: 25.25 kB / 3.737 GB, free: 157.5 MB / 0.9324 GB Notification: Performance of sort global known variables: time 0.0003752/6.628, allocations: 382.5 kB / 3.738 GB, free: 157.4 MB / 0.9324 GB Notification: Performance of remove unused functions: time 0.001872/6.63, allocations: 0.6172 MB / 3.738 GB, free: 157.4 MB / 0.9324 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 8 (volA.dynBal.U,volA.dynBal.m,volA.dynBal.mXi[1],oriOutBot.mExc,oriOutTop.mExc,volOut.dynBal.U,volOut.dynBal.m,volOut.dynBal.mXi[1]) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (70): * Single equations (assignments): 70 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001954/6.632, allocations: 1.78 MB / 3.74 GB, free: 157 MB / 0.9324 GB Notification: Performance of simCode: created initialization part: time 0.0009292/6.633, allocations: 0.6699 MB / 3.741 GB, free: 157 MB / 0.9324 GB Notification: Performance of simCode: created event and clocks part: time 3.086e-06/6.633, allocations: 3.5 kB / 3.741 GB, free: 157 MB / 0.9324 GB Notification: Performance of simCode: created simulation system equations: time 0.0004304/6.634, allocations: 377.9 kB / 3.741 GB, free: 157 MB / 0.9324 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001953/6.636, allocations: 440.4 kB / 3.741 GB, free: 157 MB / 0.9324 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003228/6.639, allocations: 1.778 MB / 3.743 GB, free: 156.6 MB / 0.9324 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009838/6.64, allocations: 1.224 MB / 3.744 GB, free: 155.9 MB / 0.9324 GB Notification: Performance of SimCode: time 2.514e-06/6.64, allocations: 3.844 kB / 3.744 GB, free: 155.9 MB / 0.9324 GB (rm -f AixLib_latest_AixLib.Airflow.Multizone.Examples.NaturalVentilation.pipe ; mkfifo AixLib_latest_AixLib.Airflow.Multizone.Examples.NaturalVentilation.pipe ; head -c 1048576 < AixLib_latest_AixLib.Airflow.Multizone.Examples.NaturalVentilation.pipe >> ../files/AixLib_latest_AixLib.Airflow.Multizone.Examples.NaturalVentilation.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_AixLib_latest_AixLib_Airflow_Multizone_Examples_NaturalVentilation_fmu --startTime=0 --stopTime=7200 --timeout=50 --tolerance=1e-06 AixLib_latest_AixLib_Airflow_Multizone_Examples_NaturalVentilation.fmu > AixLib_latest_AixLib.Airflow.Multizone.Examples.NaturalVentilation.pipe 2>&1)