Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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 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(Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor") translateModel(Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001335/0.001336, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001762/0.001763, allocations: 191.3 kB / 16.14 MB, free: 6.703 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.41/1.41, allocations: 205.1 MB / 222 MB, free: 4.766 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.767/1.767, allocations: 292.2 MB / 0.5484 GB, free: 13.64 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001349/0.001349, allocations: 62.47 kB / 0.6708 GB, free: 26.42 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2555/0.2569, allocations: 114.5 MB / 0.7827 GB, free: 14 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor): time 0.006328/0.2632, allocations: 4.201 MB / 0.7868 GB, free: 9.773 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.6912/0.9545, allocations: 147.9 MB / 0.9312 GB, free: 5.383 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006419/0.9552, allocations: 17.44 kB / 0.9312 GB, free: 5.383 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.0005556/0.9558, allocations: 134.7 kB / 0.9313 GB, free: 5.379 MB / 0.7325 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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 8.1.4-maint.8.1.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 8.1.4-maint.8.1.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 8.1.4-maint.8.1.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 0.001446/0.9573, allocations: 365.5 kB / 0.9317 GB, free: 5.371 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.001884/0.9592, allocations: 0.6671 MB / 0.9323 GB, free: 5.367 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.001446/0.9606, allocations: 1.12 MB / 0.9334 GB, free: 5.359 MB / 0.7325 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000735/0.9614, allocations: 0.5255 MB / 0.9339 GB, free: 5.246 MB / 0.7325 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0005032/0.9619, allocations: 363.2 kB / 0.9343 GB, free: 5.242 MB / 0.7325 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004685/0.9623, allocations: 399 kB / 0.9347 GB, free: 5.242 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.0001004/0.9625, allocations: 47.52 kB / 0.9347 GB, free: 5.242 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001234/0.9637, allocations: 0.7064 MB / 0.9354 GB, free: 5.234 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.0002258/0.9639, allocations: 202.8 kB / 0.9356 GB, free: 5.234 MB / 0.7325 GB Notification: Performance of NFVerifyModel.verify: time 0.0003973/0.9643, allocations: 427.7 kB / 0.936 GB, free: 5.234 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.001728/0.9661, allocations: 1.485 MB / 0.9374 GB, free: 5.145 MB / 0.7325 GB Notification: Performance of FrontEnd - DAE generated: time 6.593e-06/0.9661, allocations: 7.312 kB / 0.9375 GB, free: 5.141 MB / 0.7325 GB Notification: Performance of FrontEnd: time 1.353e-06/0.9661, allocations: 0 / 0.9375 GB, free: 5.141 MB / 0.7325 GB Notification: Performance of Transformations before backend: time 1.333e-05/0.9661, allocations: 0 / 0.9375 GB, free: 5.141 MB / 0.7325 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 174 * Number of variables: 174 Notification: Performance of Generate backend data structure: time 0.00297/0.9691, allocations: 1.322 MB / 0.9387 GB, free: 20.39 MB / 0.7481 GB Notification: Performance of prepare preOptimizeDAE: time 5.4e-05/0.9692, allocations: 8.984 kB / 0.9388 GB, free: 20.39 MB / 0.7481 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001371/0.9705, allocations: 192.9 kB / 0.9389 GB, free: 20.34 MB / 0.7481 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001063/0.9716, allocations: 0.6998 MB / 0.9396 GB, free: 20.04 MB / 0.7481 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.139e-05/0.9717, allocations: 55.16 kB / 0.9397 GB, free: 20.03 MB / 0.7481 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.785e-05/0.9718, allocations: 62.09 kB / 0.9397 GB, free: 20.03 MB / 0.7481 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001449/0.9732, allocations: 0.8252 MB / 0.9405 GB, free: 19.87 MB / 0.7481 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.742e-05/0.9732, allocations: 4.5 kB / 0.9405 GB, free: 19.87 MB / 0.7481 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.995e-05/0.9733, allocations: 31.88 kB / 0.9406 GB, free: 19.87 MB / 0.7481 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.611e-05/0.9733, allocations: 18.38 kB / 0.9406 GB, free: 19.87 MB / 0.7481 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00177/0.9751, allocations: 1.072 MB / 0.9416 GB, free: 19.86 MB / 0.7481 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003441/0.9786, allocations: 2.348 MB / 0.9439 GB, free: 19.02 MB / 0.7481 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001294/0.9799, allocations: 0.7393 MB / 0.9447 GB, free: 18.99 MB / 0.7481 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005715/0.9805, allocations: 311.8 kB / 0.945 GB, free: 18.98 MB / 0.7481 GB Notification: Performance of preOpt evalFunc (simulation): time 7.509e-05/0.9806, allocations: 26.69 kB / 0.945 GB, free: 18.98 MB / 0.7481 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0009388/0.9815, allocations: 467.8 kB / 0.9454 GB, free: 18.89 MB / 0.7481 GB Notification: Performance of pre-optimization done (n=73): time 2.325e-06/0.9815, allocations: 0 / 0.9454 GB, free: 18.89 MB / 0.7481 GB Notification: Performance of matching and sorting (n=73): time 0.003643/0.9852, allocations: 1.164 MB / 0.9466 GB, free: 18.7 MB / 0.7481 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001574/0.9853, allocations: 193.1 kB / 0.9467 GB, free: 18.48 MB / 0.7481 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001078/0.9864, allocations: 0.5891 MB / 0.9473 GB, free: 18.34 MB / 0.7481 GB Notification: Performance of collectPreVariables (initialization): time 0.0001066/0.9865, allocations: 43.83 kB / 0.9474 GB, free: 18.3 MB / 0.7481 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003688/0.9869, allocations: 351.2 kB / 0.9477 GB, free: 18.14 MB / 0.7481 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002492/0.9872, allocations: 242.6 kB / 0.9479 GB, free: 17.99 MB / 0.7481 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003393/0.9875, allocations: 158.6 kB / 0.9481 GB, free: 17.97 MB / 0.7481 GB Notification: Performance of setup shared object (initialization): time 0.0002471/0.9878, allocations: 380.3 kB / 0.9484 GB, free: 17.66 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008025/0.9886, allocations: 262.3 kB / 0.9487 GB, free: 17.66 MB / 0.7481 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009861/0.9896, allocations: 365.6 kB / 0.949 GB, free: 17.59 MB / 0.7481 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001754/0.9914, allocations: 0.6125 MB / 0.9496 GB, free: 17.54 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.539e-06/0.9914, allocations: 0 / 0.9496 GB, free: 17.54 MB / 0.7481 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.003357/0.9947, allocations: 0.8519 MB / 0.9505 GB, free: 17.42 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.254e-05/0.9948, allocations: 5.281 kB / 0.9505 GB, free: 17.42 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.535e-05/0.9948, allocations: 1.5 kB / 0.9505 GB, free: 17.42 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007083/0.9955, allocations: 86.16 kB / 0.9506 GB, free: 17.41 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008442/0.9964, allocations: 162.5 kB / 0.9507 GB, free: 17.41 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002173/0.9986, allocations: 1.524 MB / 0.9522 GB, free: 16.12 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009104/0.9995, allocations: 84.52 kB / 0.9523 GB, free: 16.09 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.26e-05/0.9996, allocations: 42.89 kB / 0.9523 GB, free: 16.09 MB / 0.7481 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 8 (weaDatInpCon.conTim.canRepeatWeatherFile,weaDatInpCon.conTimMin.canRepeatWeatherFile,weaDatInpCon.conTim.tNext,$PRE.weaDatInpCon.conTim.tNext,weaDatInpCon.conTimMin.tNext,$PRE.weaDatInpCon.conTimMin.tNext,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (85): * Single equations (assignments): 84 * 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 0.0006699/1, allocations: 252.4 kB / 0.9526 GB, free: 15.96 MB / 0.7481 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001912/1, allocations: 77.56 kB / 0.9526 GB, free: 15.93 MB / 0.7481 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002923/1.003, allocations: 1.098 MB / 0.9537 GB, free: 15.79 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.78e-05/1.003, allocations: 12.97 kB / 0.9537 GB, free: 15.79 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.158e-06/1.003, allocations: 1.875 kB / 0.9537 GB, free: 15.79 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.05e-05/1.003, allocations: 7.484 kB / 0.9537 GB, free: 15.79 MB / 0.7481 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00106/1.005, allocations: 0.8384 MB / 0.9546 GB, free: 15.56 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.509e-06/1.005, allocations: 1.375 kB / 0.9546 GB, free: 15.56 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006482/1.005, allocations: 160.6 kB / 0.9547 GB, free: 15.56 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005202/1.006, allocations: 80.88 kB / 0.9548 GB, free: 15.55 MB / 0.7481 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.903e-05/1.006, allocations: 24.86 kB / 0.9548 GB, free: 15.55 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00191/1.008, allocations: 1.563 MB / 0.9563 GB, free: 14.24 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.146e-06/1.008, allocations: 0 / 0.9563 GB, free: 14.24 MB / 0.7481 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002176/1.01, allocations: 0.9022 MB / 0.9572 GB, free: 14.09 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003879/1.01, allocations: 270.2 kB / 0.9575 GB, free: 13.94 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001209/1.01, allocations: 14.94 kB / 0.9575 GB, free: 13.94 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006004/1.011, allocations: 62.94 kB / 0.9575 GB, free: 13.94 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001893/1.011, allocations: 66.14 kB / 0.9576 GB, free: 13.93 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.245e-05/1.011, allocations: 30.62 kB / 0.9576 GB, free: 13.93 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.0007625/1.012, allocations: 424.9 kB / 0.958 GB, free: 13.84 MB / 0.7481 GB Notification: Performance of sort global known variables: time 2.11e-07/1.012, allocations: 0 / 0.958 GB, free: 13.84 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.001074/1.013, allocations: 277.3 kB / 0.9583 GB, free: 13.8 MB / 0.7481 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,weaDatInpCon.conTimMin.tNext,weaDatInpCon.conTim.tNext) * Number of discrete states: 2 (weaDatInpCon.conTimMin.tNext,weaDatInpCon.conTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (87): * Single equations (assignments): 84 * 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 0.001302/1.015, allocations: 0.5761 MB / 0.9589 GB, free: 13.59 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.001814/1.016, allocations: 0.8156 MB / 0.9597 GB, free: 13.45 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 3.626e-06/1.016, allocations: 0 / 0.9597 GB, free: 13.45 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.0009592/1.017, allocations: 0.5156 MB / 0.9602 GB, free: 13.34 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001087/1.018, allocations: 265.9 kB / 0.9604 GB, free: 13.31 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003693/1.022, allocations: 1.993 MB / 0.9624 GB, free: 12.37 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005873/1.023, allocations: 0.9931 MB / 0.9633 GB, free: 11.65 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.0009237/1.024, allocations: 258.1 kB / 0.9636 GB, free: 11.57 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002727/1.024, allocations: 104.6 kB / 0.9637 GB, free: 11.57 MB / 0.7481 GB Notification: Performance of SimCode: time 3.8e-07/1.024, allocations: 0 / 0.9637 GB, free: 11.57 MB / 0.7481 GB Notification: Performance of Templates: time 0.02173/1.046, allocations: 13.58 MB / 0.9769 GB, free: 8.441 MB / 0.7481 GB make -j1 -f Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.makefile (rm -f Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe ; mkfifo Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe ; head -c 1048576 < Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe >> ../files/Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.sim & ./Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3HDirNor.pipe 2>&1)