Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness,fileNamePrefix="Buildings_maint_8_0_x_Buildings_BoundaryConditions_SolarIrradiation_BaseClasses_Examples_SkyBrightness",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness,fileNamePrefix="Buildings_maint_8_0_x_Buildings_BoundaryConditions_SolarIrradiation_BaseClasses_Examples_SkyBrightness",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.468/1.468, allocations: 288.4 MB / 303.6 MB, free: 8.062 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009335/0.0009335, allocations: 172.5 kB / 372.2 MB, free: 10.14 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.175/1.175, allocations: 205.4 MB / 0.631 GB, free: 9.895 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0006978/0.0006976, allocations: 90.81 kB / 0.7444 GB, free: 5.809 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0003486/0.0003489, allocations: 16.42 kB / 0.8676 GB, free: 141.8 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1572/0.1575, allocations: 115.3 MB / 0.9802 GB, free: 27.27 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness): time 0.003327/0.1609, allocations: 3.58 MB / 0.9837 GB, free: 23.66 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.4549/0.6158, allocations: 136.4 MB / 1.117 GB, free: 2.422 MB / 0.6823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002923/0.6161, allocations: 14.94 kB / 1.117 GB, free: 2.418 MB / 0.6823 GB Notification: Performance of NFTyping.typeComponents: time 0.0003586/0.6165, allocations: 128.5 kB / 1.117 GB, free: 2.359 MB / 0.6823 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-105:25:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘ contains a call to impure function ‘Modelica.Utilities.Streams.readLine‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-48:21:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLongitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-48:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLatitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-47:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getTimeZoneTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. Notification: Performance of NFTyping.typeBindings: time 0.0008064/0.6173, allocations: 355.7 kB / 1.117 GB, free: 2.266 MB / 0.6823 GB Notification: Performance of NFTyping.typeClassSections: time 0.001172/0.6185, allocations: 0.5936 MB / 1.118 GB, free: 2.211 MB / 0.6823 GB Notification: Performance of NFFlatten.flatten: time 0.0008424/0.6194, allocations: 1.039 MB / 1.119 GB, free: 2.039 MB / 0.6823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006794/0.62, allocations: 0.6275 MB / 1.12 GB, free: 1.914 MB / 0.6823 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003136/0.6204, allocations: 299.4 kB / 1.12 GB, free: 1.832 MB / 0.6823 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003406/0.6207, allocations: 320.8 kB / 1.12 GB, free: 1.738 MB / 0.6823 GB Notification: Performance of NFPackage.collectConstants: time 7.182e-05/0.6208, allocations: 22.28 kB / 1.12 GB, free: 1.738 MB / 0.6823 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000479/0.6213, allocations: 273.5 kB / 1.12 GB, free: 1.723 MB / 0.6823 GB Notification: Performance of NFScalarize.scalarize: time 0.0001628/0.6215, allocations: 174.1 kB / 1.121 GB, free: 1.684 MB / 0.6823 GB Notification: Performance of NFVerifyModel.verify: time 0.0003213/0.6218, allocations: 410.9 kB / 1.121 GB, free: 17.5 MB / 0.698 GB Notification: Performance of NFConvertDAE.convert: time 0.0008361/0.6226, allocations: 1.074 MB / 1.122 GB, free: 17.42 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 3.797e-06/0.6226, allocations: 0 / 1.122 GB, free: 17.42 MB / 0.698 GB Notification: Performance of FrontEnd: time 1.072e-06/0.6226, allocations: 0 / 1.122 GB, free: 17.42 MB / 0.698 GB Notification: Performance of Transformations before backend: time 1.139e-05/0.6227, allocations: 1.344 kB / 1.122 GB, free: 17.42 MB / 0.698 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 223 * Number of variables: 223 Notification: Performance of Generate backend data structure: time 0.001612/0.6243, allocations: 1.139 MB / 1.123 GB, free: 16.7 MB / 0.698 GB Notification: Performance of prepare preOptimizeDAE: time 3.425e-05/0.6243, allocations: 16.31 kB / 1.123 GB, free: 16.7 MB / 0.698 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001375/0.6245, allocations: 141.7 kB / 1.123 GB, free: 16.66 MB / 0.698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001235/0.6257, allocations: 275.7 kB / 1.124 GB, free: 16.59 MB / 0.698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007903/0.6265, allocations: 0.7291 MB / 1.124 GB, free: 16.26 MB / 0.698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.63e-05/0.6266, allocations: 65.12 kB / 1.124 GB, free: 16.25 MB / 0.698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001006/0.6267, allocations: 85 kB / 1.124 GB, free: 16.25 MB / 0.698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001488/0.6282, allocations: 0.9655 MB / 1.125 GB, free: 16.1 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.95e-05/0.6282, allocations: 1.344 kB / 1.125 GB, free: 16.1 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.539e-05/0.6283, allocations: 35.66 kB / 1.125 GB, free: 16.1 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.755e-05/0.6283, allocations: 21.69 kB / 1.125 GB, free: 16.1 MB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001746/0.63, allocations: 1.176 MB / 1.127 GB, free: 16.07 MB / 0.698 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003198/0.6333, allocations: 2.612 MB / 1.129 GB, free: 15.22 MB / 0.698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002048/0.6353, allocations: 0.8635 MB / 1.13 GB, free: 15.16 MB / 0.698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005462/0.6359, allocations: 323.7 kB / 1.13 GB, free: 15.15 MB / 0.698 GB Notification: Performance of preOpt evalFunc (simulation): time 6.588e-05/0.636, allocations: 32.53 kB / 1.13 GB, free: 15.15 MB / 0.698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000777/0.6367, allocations: 482.7 kB / 1.131 GB, free: 15.06 MB / 0.698 GB Notification: Performance of pre-optimization done (n=74): time 1.853e-06/0.6367, allocations: 0 / 1.131 GB, free: 15.06 MB / 0.698 GB Notification: Performance of matching and sorting (n=74): time 0.002802/0.6396, allocations: 1.198 MB / 1.132 GB, free: 14.85 MB / 0.698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.336e-05/0.6396, allocations: 196.9 kB / 1.132 GB, free: 14.62 MB / 0.698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005273/0.6402, allocations: 0.5688 MB / 1.133 GB, free: 14.5 MB / 0.698 GB Notification: Performance of collectPreVariables (initialization): time 5.68e-05/0.6402, allocations: 38.39 kB / 1.133 GB, free: 14.47 MB / 0.698 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002153/0.6405, allocations: 404 kB / 1.133 GB, free: 14.25 MB / 0.698 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001511/0.6406, allocations: 242.4 kB / 1.133 GB, free: 14.08 MB / 0.698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 3.279e-05/0.6407, allocations: 13.28 kB / 1.133 GB, free: 14.08 MB / 0.698 GB Notification: Performance of setup shared object (initialization): time 0.0001169/0.6408, allocations: 383.4 kB / 1.134 GB, free: 13.74 MB / 0.698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005178/0.6413, allocations: 252.4 kB / 1.134 GB, free: 13.7 MB / 0.698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005928/0.6419, allocations: 358.3 kB / 1.134 GB, free: 13.57 MB / 0.698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001078/0.643, allocations: 0.6036 MB / 1.135 GB, free: 13.46 MB / 0.698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.715e-06/0.643, allocations: 0 / 1.135 GB, free: 13.46 MB / 0.698 GB Notification: Performance of matching and sorting (n=79) (initialization): time 0.001739/0.6448, allocations: 0.8006 MB / 1.136 GB, free: 13.25 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 1.417e-05/0.6448, allocations: 8.062 kB / 1.136 GB, free: 13.25 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.511e-06/0.6448, allocations: 5.406 kB / 1.136 GB, free: 13.25 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005238/0.6453, allocations: 80.23 kB / 1.136 GB, free: 13.21 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006135/0.6459, allocations: 161.8 kB / 1.136 GB, free: 13.18 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001641/0.6476, allocations: 1.524 MB / 1.137 GB, free: 11.79 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005768/0.6482, allocations: 91.86 kB / 1.138 GB, free: 11.75 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.618e-05/0.6483, allocations: 33.42 kB / 1.138 GB, free: 11.75 MB / 0.698 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition2,$whenCondition1,$PRE.weaDat.conTimMin.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTim.tNext) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (77): * Single equations (assignments): 76 * 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: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 2} Notification: Performance of prepare postOptimizeDAE: time 0.0002967/0.6486, allocations: 252.3 kB / 1.138 GB, free: 11.61 MB / 0.698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000106/0.6487, allocations: 75.59 kB / 1.138 GB, free: 11.57 MB / 0.698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002343/0.651, allocations: 1.094 MB / 1.139 GB, free: 11.25 MB / 0.698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.604e-06/0.651, allocations: 7.906 kB / 1.139 GB, free: 11.25 MB / 0.698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.395e-06/0.651, allocations: 0 / 1.139 GB, free: 11.25 MB / 0.698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.988e-06/0.6511, allocations: 5.609 kB / 1.139 GB, free: 11.25 MB / 0.698 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008611/0.6519, allocations: 0.8784 MB / 1.14 GB, free: 10.83 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.038e-06/0.6519, allocations: 4 kB / 1.14 GB, free: 10.82 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006469/0.6526, allocations: 165.9 kB / 1.14 GB, free: 10.79 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004578/0.6531, allocations: 83.39 kB / 1.14 GB, free: 10.75 MB / 0.698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.828e-05/0.6531, allocations: 23.61 kB / 1.14 GB, free: 10.75 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001559/0.6547, allocations: 1.544 MB / 1.142 GB, free: 9.383 MB / 0.698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.002e-06/0.6547, allocations: 0 / 1.142 GB, free: 9.383 MB / 0.698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001904/0.6566, allocations: 0.9215 MB / 1.142 GB, free: 9.113 MB / 0.698 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002941/0.6569, allocations: 277 kB / 1.143 GB, free: 8.918 MB / 0.698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.24e-05/0.657, allocations: 18.31 kB / 1.143 GB, free: 8.918 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006024/0.6576, allocations: 79.56 kB / 1.143 GB, free: 8.895 MB / 0.698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001052/0.6577, allocations: 63.03 kB / 1.143 GB, free: 8.871 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.138e-05/0.6578, allocations: 31.08 kB / 1.143 GB, free: 8.867 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.0004535/0.6583, allocations: 427.4 kB / 1.143 GB, free: 8.711 MB / 0.698 GB Notification: Performance of sort global known variables: time 1.6e-07/0.6583, allocations: 0 / 1.143 GB, free: 8.711 MB / 0.698 GB Notification: Performance of remove unused functions: time 0.000699/0.659, allocations: 277.1 kB / 1.144 GB, free: 8.656 MB / 0.698 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of discrete states: 2 (weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (86): * Single equations (assignments): 83 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 3} Notification: Performance of Backend phase and start with SimCode phase: time 0.002997/0.662, allocations: 1.928 MB / 1.145 GB, free: 7.688 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.001608/0.6636, allocations: 0.7981 MB / 1.146 GB, free: 7.453 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 2.444e-06/0.6636, allocations: 1.75 kB / 1.146 GB, free: 7.453 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.0009025/0.6645, allocations: 0.5217 MB / 1.147 GB, free: 7.258 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000981/0.6655, allocations: 248.6 kB / 1.147 GB, free: 7.191 MB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008726/0.6743, allocations: 4.908 MB / 1.152 GB, free: 5.066 MB / 0.698 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004997/0.6748, allocations: 1.02 MB / 1.153 GB, free: 4.234 MB / 0.698 GB Notification: Performance of simCode: alias equations: time 0.0008097/0.6756, allocations: 272.7 kB / 1.153 GB, free: 4.094 MB / 0.698 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004306/0.676, allocations: 368.5 kB / 1.153 GB, free: 4.047 MB / 0.698 GB Notification: Performance of SimCode: time 4.71e-07/0.676, allocations: 4 kB / 1.153 GB, free: 4.043 MB / 0.698 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.2326/0.9086, allocations: 20.15 MB / 1.173 GB, free: 10.34 MB / 0.7136 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.000199/0.9088, allocations: 303 kB / 1.173 GB, free: 9.973 MB / 0.7136 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.463/3.372, allocations: 4 kB / 1.173 GB, free: 9.969 MB / 0.7136 GB (rm -f Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.pipe ; mkfifo Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.pipe ; head -c 1048576 < Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.pipe >> ../files/Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_8_0_x_Buildings_BoundaryConditions_SolarIrradiation_BaseClasses_Examples_SkyBrightness_fmu --startTime=0 --stopTime=8.64e+06 --timeout=50 --tolerance=1e-06 Buildings_maint_8_0_x_Buildings_BoundaryConditions_SolarIrradiation_BaseClasses_Examples_SkyBrightness.fmu > Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.pipe 2>&1)