Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) Using package NcDataReader2 with version 2.5.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package BuildingSystems with version 2.0.0-beta (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Running command: translateModel(BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness") translateModel(BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.7373/0.7373, allocations: 143.8 MB / 159.1 MB, free: 6.52 MB / 122.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009671/0.0009671, allocations: 177.3 kB / 192 MB, free: 6.738 MB / 154.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.357/1.357, allocations: 225.7 MB / 450.4 MB, free: 4.973 MB / 330.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007936/0.0007936, allocations: 107.6 kB / 0.5211 GB, free: 1.645 MB / 410.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001618/0.001618, allocations: 285.9 kB / 0.6025 GB, free: 49.31 MB / 410.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0004012/0.0004012, allocations: 17.31 kB / 0.6948 GB, free: 59.21 MB / 442.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1261/0.1266, allocations: 82.46 MB / 0.7753 GB, free: 14.37 MB / 458.7 MB Notification: Performance of NFInst.instantiate(BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness): time 0.004475/0.1311, allocations: 3.598 MB / 0.7788 GB, free: 10.75 MB / 458.7 MB Notification: Performance of NFInst.instExpressions: time 0.4147/0.5458, allocations: 140.3 MB / 0.9159 GB, free: 11.89 MB / 0.5573 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006878/0.5465, allocations: 18.72 kB / 0.9159 GB, free: 11.89 MB / 0.5573 GB Notification: Performance of NFTyping.typeComponents: time 0.0004668/0.547, allocations: 133.1 kB / 0.916 GB, free: 11.83 MB / 0.5573 GB Notification: Performance of NFTyping.typeBindings: time 0.001315/0.5483, allocations: 402.6 kB / 0.9164 GB, free: 11.73 MB / 0.5573 GB Notification: Performance of NFTyping.typeClassSections: time 0.002007/0.5503, allocations: 0.7018 MB / 0.9171 GB, free: 11.66 MB / 0.5573 GB Notification: Performance of NFFlatten.flatten: time 0.001278/0.5516, allocations: 1.119 MB / 0.9182 GB, free: 11.5 MB / 0.5573 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0009435/0.5526, allocations: 0.6718 MB / 0.9188 GB, free: 11.34 MB / 0.5573 GB Notification: Performance of NFEvalConstants.evaluate: time 0.000564/0.5531, allocations: 312.5 kB / 0.9191 GB, free: 11.33 MB / 0.5573 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000427/0.5536, allocations: 352.7 kB / 0.9195 GB, free: 11.32 MB / 0.5573 GB Notification: Performance of NFPackage.collectConstants: time 7.654e-05/0.5536, allocations: 21.28 kB / 0.9195 GB, free: 11.32 MB / 0.5573 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0009373/0.5546, allocations: 348.9 kB / 0.9198 GB, free: 11.3 MB / 0.5573 GB Notification: Performance of NFScalarize.scalarize: time 0.0002566/0.5549, allocations: 178.8 kB / 0.92 GB, free: 11.29 MB / 0.5573 GB Notification: Performance of NFVerifyModel.verify: time 0.0003833/0.5553, allocations: 441.5 kB / 0.9204 GB, free: 11.25 MB / 0.5573 GB Notification: Performance of NFConvertDAE.convert: time 0.001359/0.5566, allocations: 1.439 MB / 0.9218 GB, free: 11.16 MB / 0.5573 GB Notification: Performance of FrontEnd - DAE generated: time 4.889e-06/0.5566, allocations: 0 / 0.9218 GB, free: 11.16 MB / 0.5573 GB Notification: Performance of FrontEnd: time 1.403e-06/0.5566, allocations: 1.281 kB / 0.9218 GB, free: 11.16 MB / 0.5573 GB Notification: Performance of Transformations before backend: time 1.367e-05/0.5567, allocations: 0 / 0.9218 GB, free: 11.16 MB / 0.5573 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 232 * Number of variables: 232 Notification: Performance of Generate backend data structure: time 0.001952/0.5586, allocations: 1.18 MB / 0.923 GB, free: 10.42 MB / 0.5573 GB Notification: Performance of prepare preOptimizeDAE: time 3.753e-05/0.5587, allocations: 8.844 kB / 0.923 GB, free: 10.42 MB / 0.5573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001508/0.5602, allocations: 304.5 kB / 0.9233 GB, free: 10.36 MB / 0.5573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009856/0.5612, allocations: 0.7292 MB / 0.924 GB, free: 10.03 MB / 0.5573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.593e-05/0.5612, allocations: 67.38 kB / 0.924 GB, free: 10.03 MB / 0.5573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001101/0.5614, allocations: 86.97 kB / 0.9241 GB, free: 10.03 MB / 0.5573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00185/0.5632, allocations: 1.002 MB / 0.9251 GB, free: 9.875 MB / 0.5573 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.131e-05/0.5633, allocations: 5.953 kB / 0.9251 GB, free: 9.871 MB / 0.5573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.227e-05/0.5633, allocations: 39.72 kB / 0.9251 GB, free: 9.871 MB / 0.5573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.507e-05/0.5634, allocations: 24.41 kB / 0.9252 GB, free: 9.871 MB / 0.5573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002166/0.5655, allocations: 1.215 MB / 0.9264 GB, free: 9.859 MB / 0.5573 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00406/0.5696, allocations: 2.612 MB / 0.9289 GB, free: 9.074 MB / 0.5573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002389/0.572, allocations: 0.9378 MB / 0.9298 GB, free: 8.809 MB / 0.5573 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008345/0.5729, allocations: 335.5 kB / 0.9301 GB, free: 8.75 MB / 0.5573 GB Notification: Performance of preOpt evalFunc (simulation): time 8.097e-05/0.573, allocations: 37.66 kB / 0.9302 GB, free: 8.742 MB / 0.5573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009373/0.5739, allocations: 489.1 kB / 0.9306 GB, free: 8.559 MB / 0.5573 GB Notification: Performance of pre-optimization done (n=75): time 2.585e-06/0.5739, allocations: 4 kB / 0.9307 GB, free: 8.555 MB / 0.5573 GB Notification: Performance of matching and sorting (n=75): time 0.003231/0.5772, allocations: 1.236 MB / 0.9319 GB, free: 8.176 MB / 0.5573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.067e-05/0.5773, allocations: 193.6 kB / 0.932 GB, free: 7.957 MB / 0.5573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006227/0.5779, allocations: 0.5908 MB / 0.9326 GB, free: 7.746 MB / 0.5573 GB Notification: Performance of collectPreVariables (initialization): time 5.4e-05/0.578, allocations: 42.11 kB / 0.9327 GB, free: 7.711 MB / 0.5573 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002566/0.5782, allocations: 403.4 kB / 0.933 GB, free: 7.477 MB / 0.5573 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001958/0.5784, allocations: 245.2 kB / 0.9333 GB, free: 7.301 MB / 0.5573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 3.839e-05/0.5785, allocations: 18.62 kB / 0.9333 GB, free: 7.297 MB / 0.5573 GB Notification: Performance of setup shared object (initialization): time 0.000149/0.5786, allocations: 385.8 kB / 0.9337 GB, free: 6.957 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006355/0.5793, allocations: 287.6 kB / 0.9339 GB, free: 6.91 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006959/0.58, allocations: 392 kB / 0.9343 GB, free: 6.793 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001314/0.5813, allocations: 0.6532 MB / 0.9349 GB, free: 6.676 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.615e-06/0.5813, allocations: 1.75 kB / 0.935 GB, free: 6.676 MB / 0.5573 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.001989/0.5833, allocations: 0.8943 MB / 0.9358 GB, free: 6.441 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 1.63e-05/0.5833, allocations: 5.344 kB / 0.9358 GB, free: 6.441 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.101e-06/0.5833, allocations: 0 / 0.9358 GB, free: 6.441 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005692/0.5839, allocations: 89.39 kB / 0.9359 GB, free: 6.402 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007324/0.5847, allocations: 174 kB / 0.9361 GB, free: 6.363 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001838/0.5865, allocations: 1.518 MB / 0.9376 GB, free: 4.988 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000698/0.5872, allocations: 111.7 kB / 0.9377 GB, free: 4.938 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.661e-05/0.5873, allocations: 38.5 kB / 0.9377 GB, free: 4.93 MB / 0.5573 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 8 ($whenCondition2,$whenCondition1,$PRE.weaDat.conTimMin.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTim.tNext,weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.canRepeatWeatherFile) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (86): * Single equations (assignments): 85 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0003272/0.5876, allocations: 256.5 kB / 0.938 GB, free: 4.797 MB / 0.5573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000107/0.5878, allocations: 85.48 kB / 0.938 GB, free: 4.75 MB / 0.5573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00243/0.5902, allocations: 1.11 MB / 0.9391 GB, free: 4.43 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.382e-06/0.5902, allocations: 7.906 kB / 0.9391 GB, free: 4.43 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.304e-06/0.5902, allocations: 0 / 0.9391 GB, free: 4.43 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.748e-06/0.5902, allocations: 6.953 kB / 0.9391 GB, free: 4.426 MB / 0.5573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003285/0.5935, allocations: 2.04 MB / 0.9411 GB, free: 3.648 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.53e-06/0.5935, allocations: 4 kB / 0.9411 GB, free: 3.645 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007083/0.5943, allocations: 176.2 kB / 0.9413 GB, free: 3.605 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005013/0.5948, allocations: 78.16 kB / 0.9414 GB, free: 3.574 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.289e-05/0.5948, allocations: 24.27 kB / 0.9414 GB, free: 3.57 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001622/0.5965, allocations: 1.548 MB / 0.9429 GB, free: 2.195 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.132e-06/0.5965, allocations: 0 / 0.9429 GB, free: 2.195 MB / 0.5573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002007/0.5985, allocations: 1.022 MB / 0.9439 GB, free: 1.855 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003298/0.5988, allocations: 276.4 kB / 0.9442 GB, free: 1.664 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000104/0.5989, allocations: 17.75 kB / 0.9442 GB, free: 1.664 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000659/0.5996, allocations: 89.14 kB / 0.9443 GB, free: 1.637 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001252/0.5997, allocations: 65.88 kB / 0.9443 GB, free: 1.609 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.499e-05/0.5998, allocations: 33.67 kB / 0.9444 GB, free: 1.605 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.0004675/0.6003, allocations: 435.5 kB / 0.9448 GB, free: 1.453 MB / 0.5573 GB Notification: Performance of sort global known variables: time 1.5e-07/0.6003, allocations: 2.562 kB / 0.9448 GB, free: 1.453 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.0007756/0.6011, allocations: 310.8 kB / 0.9451 GB, free: 1.387 MB / 0.5573 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.conTim.tNext,weaDat.conTimMin.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (88): * Single equations (assignments): 85 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001262/0.6023, allocations: 0.6704 MB / 0.9457 GB, free: 1.055 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.001757/0.6041, allocations: 0.8728 MB / 0.9466 GB, free: 0.793 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 3.506e-06/0.6041, allocations: 2.906 kB / 0.9466 GB, free: 0.793 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.0009556/0.6051, allocations: 0.5333 MB / 0.9471 GB, free: 0.6016 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001017/0.6061, allocations: 260.7 kB / 0.9474 GB, free: 0.5312 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003801/0.6099, allocations: 2.273 MB / 0.9496 GB, free: 15.23 MB / 0.573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005263/0.6105, allocations: 1.027 MB / 0.9506 GB, free: 14.4 MB / 0.573 GB Notification: Performance of simCode: alias equations: time 0.0008766/0.6114, allocations: 273.8 kB / 0.9508 GB, free: 14.25 MB / 0.573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002491/0.6116, allocations: 99.27 kB / 0.9509 GB, free: 14.23 MB / 0.573 GB Notification: Performance of SimCode: time 2.71e-07/0.6116, allocations: 0 / 0.9509 GB, free: 14.23 MB / 0.573 GB Notification: Performance of Templates: time 0.02075/0.6324, allocations: 13.82 MB / 0.9644 GB, free: 7.312 MB / 0.573 GB make -j1 -f BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.makefile (rm -f BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.pipe ; mkfifo BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.pipe >> ../files/BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.sim & ./BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.SkyBrightness.pipe 2>&1)