Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_latest_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature.conf.json 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/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/Modelica_DeviceDrivers 2.1.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/package.mo", uses=false) Using package AixLib with version 1.4.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/package.mo) 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-master/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 ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_latest_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature") translateModel(AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_latest_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001037/0.001037, allocations: 112.2 kB / 16.42 MB, free: 6.445 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009965/0.0009965, allocations: 189.4 kB / 17.35 MB, free: 5.703 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.27/1.27, allocations: 222.9 MB / 241.1 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1-master/package.mo): time 0.06046/0.06046, allocations: 12.04 MB / 303.3 MB, free: 3.105 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0005147/0.0005147, allocations: 23.97 kB / 356.3 MB, free: 13.98 MB / 302.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-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. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-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 1.4.0-development/BoundaryConditions/InternalGains/Examples/InternalGains/Lights.mo:27:20-27:398: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 1.4.0-development/package.mo): time 1.847/1.847, allocations: 272.3 MB / 0.6657 GB, free: 18.3 MB / 478.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002037/0.002037, allocations: 111.8 kB / 0.8936 GB, free: 15.06 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4559/0.4579, allocations: 109.1 MB / 1 GB, free: 8.23 MB / 0.6857 GB Notification: Performance of NFInst.instantiate(AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature): time 0.001948/0.4599, allocations: 1.475 MB / 1.002 GB, free: 7.078 MB / 0.6857 GB Notification: Performance of NFInst.instExpressions: time 0.0001809/0.4601, allocations: 62.06 kB / 1.002 GB, free: 7.027 MB / 0.6857 GB Notification: Performance of NFInst.updateImplicitVariability: time 3.022e-05/0.4602, allocations: 0 / 1.002 GB, free: 7.027 MB / 0.6857 GB Notification: Performance of NFTyping.typeComponents: time 2.118e-05/0.4602, allocations: 0 / 1.002 GB, free: 7.027 MB / 0.6857 GB Notification: Performance of NFTyping.typeBindings: time 5.554e-05/0.4602, allocations: 16.98 kB / 1.002 GB, free: 7.012 MB / 0.6857 GB Notification: Performance of NFTyping.typeClassSections: time 0.0001617/0.4604, allocations: 18.3 kB / 1.002 GB, free: 7 MB / 0.6857 GB Notification: Performance of NFFlatten.flatten: time 6.497e-05/0.4605, allocations: 39.19 kB / 1.002 GB, free: 6.977 MB / 0.6857 GB Notification: Performance of NFFlatten.resolveConnections: time 7.642e-05/0.4606, allocations: 11.3 kB / 1.002 GB, free: 6.969 MB / 0.6857 GB Notification: Performance of NFEvalConstants.evaluate: time 4.065e-05/0.4606, allocations: 15.66 kB / 1.002 GB, free: 6.961 MB / 0.6857 GB Notification: Performance of NFSimplifyModel.simplify: time 4.591e-05/0.4607, allocations: 12.27 kB / 1.002 GB, free: 6.953 MB / 0.6857 GB Notification: Performance of NFPackage.collectConstants: time 1.707e-05/0.4607, allocations: 3.281 kB / 1.002 GB, free: 6.953 MB / 0.6857 GB Notification: Performance of NFFlatten.collectFunctions: time 1.272e-05/0.4607, allocations: 2.125 kB / 1.002 GB, free: 6.953 MB / 0.6857 GB Notification: Performance of NFScalarize.scalarize: time 1.574e-05/0.4607, allocations: 5.062 kB / 1.002 GB, free: 6.949 MB / 0.6857 GB Notification: Performance of NFVerifyModel.verify: time 3.231e-05/0.4608, allocations: 17.48 kB / 1.002 GB, free: 6.938 MB / 0.6857 GB Notification: Performance of NFConvertDAE.convert: time 7.238e-05/0.4608, allocations: 44.44 kB / 1.002 GB, free: 6.906 MB / 0.6857 GB Notification: Performance of FrontEnd - DAE generated: time 3.206e-06/0.4608, allocations: 0 / 1.002 GB, free: 6.906 MB / 0.6857 GB Notification: Performance of FrontEnd: time 1.733e-06/0.4608, allocations: 0 / 1.002 GB, free: 6.906 MB / 0.6857 GB Notification: Performance of Transformations before backend: time 4.549e-06/0.4609, allocations: 1.031 kB / 1.002 GB, free: 6.906 MB / 0.6857 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 3 * Number of variables: 3 Notification: Performance of Generate backend data structure: time 0.0003245/0.4612, allocations: 339.6 kB / 1.002 GB, free: 6.539 MB / 0.6857 GB Notification: Performance of prepare preOptimizeDAE: time 3.299e-05/0.4612, allocations: 8.25 kB / 1.002 GB, free: 6.539 MB / 0.6857 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 2.844e-05/0.4613, allocations: 3.75 kB / 1.002 GB, free: 6.539 MB / 0.6857 GB Notification: Performance of preOpt evaluateParameters (simulation): time 6.633e-05/0.4613, allocations: 176.6 kB / 1.002 GB, free: 6.332 MB / 0.6857 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.448e-06/0.4613, allocations: 1.281 kB / 1.002 GB, free: 6.332 MB / 0.6857 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.345e-06/0.4614, allocations: 5.625 kB / 1.002 GB, free: 6.328 MB / 0.6857 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001553/0.4615, allocations: 51.08 kB / 1.002 GB, free: 6.285 MB / 0.6857 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.592e-06/0.4615, allocations: 192 / 1.002 GB, free: 6.285 MB / 0.6857 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.071e-05/0.4615, allocations: 5.125 kB / 1.002 GB, free: 6.281 MB / 0.6857 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.517e-06/0.4616, allocations: 0 / 1.002 GB, free: 6.281 MB / 0.6857 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001473/0.4617, allocations: 29.56 kB / 1.002 GB, free: 6.27 MB / 0.6857 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0003648/0.4621, allocations: 280.6 kB / 1.003 GB, free: 5.969 MB / 0.6857 GB Notification: Performance of preOpt comSubExp (simulation): time 9.296e-05/0.4622, allocations: 39.75 kB / 1.003 GB, free: 5.93 MB / 0.6857 GB Notification: Performance of preOpt resolveLoops (simulation): time 7.474e-05/0.4623, allocations: 21.66 kB / 1.003 GB, free: 5.914 MB / 0.6857 GB Notification: Performance of preOpt evalFunc (simulation): time 1.072e-05/0.4623, allocations: 0 / 1.003 GB, free: 5.914 MB / 0.6857 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.394e-05/0.4623, allocations: 35.84 kB / 1.003 GB, free: 5.871 MB / 0.6857 GB Notification: Performance of pre-optimization done (n=1): time 9.52e-07/0.4623, allocations: 0 / 1.003 GB, free: 5.871 MB / 0.6857 GB Notification: Performance of matching and sorting (n=1): time 0.0003004/0.4626, allocations: 77.39 kB / 1.003 GB, free: 5.816 MB / 0.6857 GB Notification: Performance of inlineWhenForInitialization (initialization): time 1.486e-05/0.4626, allocations: 52.5 kB / 1.003 GB, free: 5.754 MB / 0.6857 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 4.381e-05/0.4627, allocations: 105.2 kB / 1.003 GB, free: 5.648 MB / 0.6857 GB Notification: Performance of collectPreVariables (initialization): time 8.325e-06/0.4627, allocations: 25.7 kB / 1.003 GB, free: 5.617 MB / 0.6857 GB Notification: Performance of collectInitialEqns (initialization): time 2.274e-05/0.4627, allocations: 97.31 kB / 1.003 GB, free: 5.52 MB / 0.6857 GB Notification: Performance of collectInitialBindings (initialization): time 1.088e-05/0.4627, allocations: 1.219 kB / 1.003 GB, free: 5.52 MB / 0.6857 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.435e-05/0.4628, allocations: 10.84 kB / 1.003 GB, free: 5.504 MB / 0.6857 GB Notification: Performance of setup shared object (initialization): time 3.666e-05/0.4628, allocations: 319.9 kB / 1.003 GB, free: 5.184 MB / 0.6857 GB Notification: Performance of preBalanceInitialSystem (initialization): time 7.585e-05/0.4629, allocations: 12.67 kB / 1.003 GB, free: 5.18 MB / 0.6857 GB Notification: Performance of partitionIndependentBlocks (initialization): time 6.581e-05/0.463, allocations: 16.38 kB / 1.003 GB, free: 5.172 MB / 0.6857 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001311/0.4631, allocations: 37.95 kB / 1.004 GB, free: 5.148 MB / 0.6857 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.413e-06/0.4631, allocations: 0 / 1.004 GB, free: 5.148 MB / 0.6857 GB Notification: Performance of matching and sorting (n=1) (initialization): time 0.0001638/0.4633, allocations: 73.97 kB / 1.004 GB, free: 5.09 MB / 0.6857 GB Notification: Performance of prepare postOptimizeDAE: time 1.075e-05/0.4633, allocations: 4.531 kB / 1.004 GB, free: 5.09 MB / 0.6857 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.707e-06/0.4633, allocations: 1.156 kB / 1.004 GB, free: 5.09 MB / 0.6857 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.028e-05/0.4633, allocations: 0 / 1.004 GB, free: 5.09 MB / 0.6857 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 7.222e-05/0.4634, allocations: 9.156 kB / 1.004 GB, free: 5.086 MB / 0.6857 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.298e-06/0.4634, allocations: 0 / 1.004 GB, free: 5.086 MB / 0.6857 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 4.648e-05/0.4635, allocations: 7.734 kB / 1.004 GB, free: 5.082 MB / 0.6857 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.528e-06/0.4635, allocations: 0 / 1.004 GB, free: 5.082 MB / 0.6857 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1): * Single equations (assignments): 1 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 3.736e-05/0.4635, allocations: 113 kB / 1.004 GB, free: 4.965 MB / 0.6857 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.641e-05/0.4635, allocations: 5.156 kB / 1.004 GB, free: 4.961 MB / 0.6857 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 1.496e-05/0.4636, allocations: 8.875 kB / 1.004 GB, free: 4.949 MB / 0.6857 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.043e-06/0.4636, allocations: 3.984 kB / 1.004 GB, free: 4.945 MB / 0.6857 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.272e-06/0.4636, allocations: 1.281 kB / 1.004 GB, free: 4.945 MB / 0.6857 GB Notification: Performance of postOpt removeConstants (simulation): time 1.33e-05/0.4636, allocations: 81.11 kB / 1.004 GB, free: 4.848 MB / 0.6857 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.029e-05/0.4636, allocations: 1.375 kB / 1.004 GB, free: 4.848 MB / 0.6857 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001003/0.4637, allocations: 10.45 kB / 1.004 GB, free: 4.844 MB / 0.6857 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.89e-05/0.4637, allocations: 3.938 kB / 1.004 GB, free: 4.84 MB / 0.6857 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.0001948/0.4639, allocations: 142.8 kB / 1.004 GB, free: 4.715 MB / 0.6857 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.0001904/0.4641, allocations: 232.7 kB / 1.004 GB, free: 4.492 MB / 0.6857 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 7.397e-05/0.4642, allocations: 16.48 kB / 1.004 GB, free: 4.484 MB / 0.6857 GB Notification: Performance of sorting global known variables: time 2.051e-05/0.4642, allocations: 87.64 kB / 1.004 GB, free: 4.402 MB / 0.6857 GB Notification: Performance of Backend: time 1.91e-07/0.4642, allocations: 1.094 kB / 1.004 GB, free: 4.402 MB / 0.6857 GB Notification: Performance of simCode: created initialization part: time 0.0003546/0.4646, allocations: 101.4 kB / 1.004 GB, free: 4.328 MB / 0.6857 GB Notification: Performance of SimCode: time 0.0002789/0.4649, allocations: 0.5757 MB / 1.005 GB, free: 3.727 MB / 0.6857 GB Notification: Performance of Templates: time 0.002456/0.4674, allocations: 0.6962 MB / 1.006 GB, free: 3.402 MB / 0.6857 GB make -j1 -f AixLib_latest_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature.makefile (rm -f AixLib_latest_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature.pipe ; mkfifo AixLib_latest_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature.pipe ; head -c 1048576 < AixLib_latest_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature.pipe >> ../files/AixLib_latest_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature.sim & ./AixLib_latest_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature -abortSlowSimulation -alarm=480 -lv LOG_STATS > AixLib_latest_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.CheckBlackBodySkyTemperature.pipe 2>&1)