Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.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/Buildings 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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: "" <> buildModelFMU(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement,fileNamePrefix="Buildings_latest_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomOneElement",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement,fileNamePrefix="Buildings_latest_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomOneElement",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001479/0.001479, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001785/0.001785, allocations: 195.5 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.286/1.286, allocations: 222.9 MB / 240.2 MB, free: 4.41 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.561/2.561, allocations: 461.9 MB / 0.7346 GB, free: 14.77 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.0012/0.0012, allocations: 61.91 kB / 0.8992 GB, free: 36.95 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2658/0.267, allocations: 157.4 MB / 1.053 GB, free: 8.359 MB / 0.8106 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement): time 0.1686/0.4357, allocations: 162 MB / 1.211 GB, free: 5.734 MB / 0.9669 GB Notification: Performance of NFInst.instExpressions: time 0.03539/0.4711, allocations: 26.94 MB / 1.237 GB, free: 10.7 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0026/0.4737, allocations: 75.62 kB / 1.237 GB, free: 10.63 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.001938/0.4757, allocations: 1.037 MB / 1.238 GB, free: 9.586 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.004914/0.4806, allocations: 1.802 MB / 1.24 GB, free: 7.781 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.00485/0.4855, allocations: 1.71 MB / 1.242 GB, free: 6.078 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.006587/0.4921, allocations: 5.273 MB / 1.247 GB, free: 0.7852 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.5637/1.056, allocations: 4.159 MB / 1.251 GB, free: 4.902 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003704/1.06, allocations: 2.102 MB / 1.253 GB, free: 4.898 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003451/1.063, allocations: 2.518 MB / 1.256 GB, free: 4.898 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0009205/1.064, allocations: 457.5 kB / 1.256 GB, free: 4.898 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002209/1.066, allocations: 1.035 MB / 1.257 GB, free: 4.898 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.001081/1.067, allocations: 1.177 MB / 1.258 GB, free: 4.898 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.002386/1.07, allocations: 2.126 MB / 1.26 GB, free: 4.371 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.007545/1.077, allocations: 5.868 MB / 1.266 GB, free: 3.688 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 4.659e-06/1.077, allocations: 0.9062 kB / 1.266 GB, free: 3.688 MB / 0.9981 GB Notification: Performance of FrontEnd: time 2.505e-06/1.077, allocations: 1.156 kB / 1.266 GB, free: 3.688 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0001939/1.077, allocations: 4.125 kB / 1.266 GB, free: 3.688 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 816 * Number of variables: 816 Notification: Performance of Generate backend data structure: time 0.01457/1.092, allocations: 4.626 MB / 1.271 GB, free: 1.836 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 5.4e-05/1.092, allocations: 10.31 kB / 1.271 GB, free: 1.836 MB / 0.9981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001037/1.093, allocations: 453.2 kB / 1.271 GB, free: 1.777 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01403/1.107, allocations: 2.775 MB / 1.274 GB, free: 1.562 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00535/1.113, allocations: 2.282 MB / 1.276 GB, free: 0.9453 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002208/1.113, allocations: 239.3 kB / 1.276 GB, free: 0.9375 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008795/1.114, allocations: 309.5 kB / 1.276 GB, free: 0.9375 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01201/1.126, allocations: 5.163 MB / 1.281 GB, free: 0.668 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.501e-05/1.126, allocations: 4.953 kB / 1.282 GB, free: 0.6641 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004413/1.126, allocations: 130.3 kB / 1.282 GB, free: 0.6641 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.32e-05/1.126, allocations: 77.38 kB / 1.282 GB, free: 0.6641 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01493/1.141, allocations: 6.284 MB / 1.288 GB, free: 0.6328 MB / 0.9981 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02815/1.169, allocations: 14.93 MB / 1.302 GB, free: 12.36 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01006/1.18, allocations: 4.705 MB / 1.307 GB, free: 12.26 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004822/1.184, allocations: 2.436 MB / 1.309 GB, free: 12.22 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009883/1.185, allocations: 0.6739 MB / 1.31 GB, free: 11.55 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.005314/1.191, allocations: 2.624 MB / 1.313 GB, free: 11.43 MB / 1.014 GB Notification: Performance of pre-optimization done (n=278): time 5.26e-06/1.191, allocations: 0 / 1.313 GB, free: 11.43 MB / 1.014 GB Notification: Performance of matching and sorting (n=278): time 0.01744/1.208, allocations: 7.4 MB / 1.32 GB, free: 10.67 MB / 1.014 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001186/1.208, allocations: 212.4 kB / 1.32 GB, free: 10.45 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004052/1.212, allocations: 2.435 MB / 1.322 GB, free: 9.852 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 0.0006237/1.213, allocations: 79.77 kB / 1.322 GB, free: 9.82 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.001264/1.214, allocations: 1.345 MB / 1.324 GB, free: 9.184 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 0.001171/1.215, allocations: 0.9068 MB / 1.325 GB, free: 8.527 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001302/1.217, allocations: 495.5 kB / 1.325 GB, free: 8.422 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 0.0001009/1.217, allocations: 305.1 kB / 1.325 GB, free: 8.121 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004442/1.221, allocations: 2.013 MB / 1.327 GB, free: 7.645 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004769/1.226, allocations: 2.334 MB / 1.33 GB, free: 6.91 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009237/1.235, allocations: 4.255 MB / 1.334 GB, free: 5.906 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.468e-06/1.235, allocations: 4 kB / 1.334 GB, free: 5.902 MB / 1.014 GB Notification: Performance of matching and sorting (n=314) (initialization): time 0.01135/1.247, allocations: 4.939 MB / 1.339 GB, free: 4.684 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 2.967e-05/1.247, allocations: 13.31 kB / 1.339 GB, free: 4.676 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.61e-05/1.247, allocations: 5.25 kB / 1.339 GB, free: 4.676 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006479/1.247, allocations: 231.8 kB / 1.339 GB, free: 4.629 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004043/1.252, allocations: 0.8054 MB / 1.34 GB, free: 4.402 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003912/1.255, allocations: 3.369 MB / 1.343 GB, free: 2.57 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004214/1.26, allocations: 0.5563 MB / 1.344 GB, free: 2.289 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006048/1.26, allocations: 108.2 kB / 1.344 GB, free: 2.266 MB / 1.014 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 32 ($PRE.intGai.nextTimeEvent,$whenCondition1,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent,HDirTil[2].incAng.decAng.tNext,$PRE.HDirTil[2].incAng.decAng.tNext,HDirTil[1].incAng.decAng.tNext,$PRE.HDirTil[1].incAng.decAng.tNext,HDifTil[2].incAng.decAng.tNext,$PRE.HDifTil[2].incAng.decAng.tNext,HDifTil[1].incAng.decAng.tNext,$PRE.HDifTil[1].incAng.decAng.tNext,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (292): * Single equations (assignments): 291 * 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): 1 system {(2,21,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.002539/1.263, allocations: 0.9424 MB / 1.345 GB, free: 2.012 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001076/1.264, allocations: 275 kB / 1.345 GB, free: 1.867 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01308/1.277, allocations: 5.636 MB / 1.35 GB, free: 14.79 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.907e-05/1.277, allocations: 27.88 kB / 1.35 GB, free: 14.79 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.861e-05/1.277, allocations: 6.719 kB / 1.35 GB, free: 14.79 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.189e-05/1.277, allocations: 15.94 kB / 1.35 GB, free: 14.77 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006007/1.283, allocations: 3.697 MB / 1.354 GB, free: 11.68 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.139e-05/1.283, allocations: 0 / 1.354 GB, free: 11.68 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003661/1.287, allocations: 0.7484 MB / 1.355 GB, free: 10.96 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007754/1.288, allocations: 264 kB / 1.355 GB, free: 10.7 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003132/1.288, allocations: 83.92 kB / 1.355 GB, free: 10.61 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004616/1.293, allocations: 5.24 MB / 1.36 GB, free: 5.102 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.104e-06/1.293, allocations: 0 / 1.36 GB, free: 5.102 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01723/1.31, allocations: 8.034 MB / 1.368 GB, free: 12.98 MB / 1.045 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001963/1.312, allocations: 0.8287 MB / 1.369 GB, free: 12.13 MB / 1.045 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008457/1.313, allocations: 67.59 kB / 1.369 GB, free: 12.07 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003497/1.316, allocations: 419.4 kB / 1.369 GB, free: 11.66 MB / 1.045 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005158/1.317, allocations: 198 kB / 1.369 GB, free: 11.46 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003119/1.317, allocations: 115.9 kB / 1.37 GB, free: 11.35 MB / 1.045 GB Notification: Performance of sorting global known variables: time 0.00306/1.32, allocations: 1.78 MB / 1.371 GB, free: 9.562 MB / 1.045 GB Notification: Performance of sort global known variables: time 3.91e-07/1.32, allocations: 0 / 1.371 GB, free: 9.562 MB / 1.045 GB Notification: Performance of remove unused functions: time 0.003631/1.324, allocations: 1.06 MB / 1.372 GB, free: 8.5 MB / 1.045 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 3 (thermalZoneOneElement.volAir.dynBal.U,thermalZoneOneElement.volAir.dynBal.m,thermalZoneOneElement.extWallRC.thermCapExt[1].T) * Number of discrete variables: 21 ($whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,HDifTil[1].incAng.decAng.tNext,HDifTil[2].incAng.decAng.tNext,HDirTil[1].incAng.decAng.tNext,HDirTil[2].incAng.decAng.tNext,intGai.nextTimeEvent,intGai.nextTimeEventScaled) * Number of discrete states: 11 (intGai.nextTimeEventScaled,intGai.nextTimeEvent,HDirTil[2].incAng.decAng.tNext,HDirTil[1].incAng.decAng.tNext,HDifTil[2].incAng.decAng.tNext,HDifTil[1].incAng.decAng.tNext,weaDat.decAng.tNext,weaDat.eqnTim.tNext,weaDat.conTim.tNext,weaDat.conTimMin.tNext,weaDat.locTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (276): * Single equations (assignments): 262 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 11 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,16,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.02048/1.344, allocations: 9.536 MB / 1.382 GB, free: 15.3 MB / 1.061 GB Notification: Performance of simCode: created initialization part: time 0.01989/1.364, allocations: 8.51 MB / 1.39 GB, free: 6.805 MB / 1.061 GB Notification: Performance of simCode: created event and clocks part: time 4.869e-06/1.364, allocations: 0 / 1.39 GB, free: 6.805 MB / 1.061 GB Notification: Performance of simCode: created simulation system equations: time 0.005958/1.37, allocations: 2.772 MB / 1.393 GB, free: 4.051 MB / 1.061 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004048/1.374, allocations: 0.7057 MB / 1.393 GB, free: 3.383 MB / 1.061 GB Warning: The hideResult annotation could not be evaluated, probably due to missing annotation(Evaluate=true). It is removed. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05811/1.432, allocations: 32.27 MB / 1.425 GB, free: 1.547 MB / 1.092 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002766/1.435, allocations: 2.457 MB / 1.427 GB, free: 15.05 MB / 1.107 GB Notification: Performance of simCode: alias equations: time 0.004558/1.44, allocations: 1.141 MB / 1.428 GB, free: 13.91 MB / 1.107 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002525/1.442, allocations: 1.436 MB / 1.43 GB, free: 12.47 MB / 1.107 GB Notification: Performance of SimCode: time 9.12e-07/1.442, allocations: 0 / 1.43 GB, free: 12.47 MB / 1.107 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1179/1.56, allocations: 70.83 MB / 1.499 GB, free: 6.395 MB / 1.17 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.24/13.8, allocations: 7.688 kB / 1.499 GB, free: 6.387 MB / 1.17 GB (rm -f Buildings_latest_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.pipe ; mkfifo Buildings_latest_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.pipe ; head -c 1048576 < Buildings_latest_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.pipe >> ../files/Buildings_latest_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement_res.mat --tempDir=temp_Buildings_latest_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomOneElement_fmu --startTime=0 --stopTime=3.1536e+07 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomOneElement.fmu > Buildings_latest_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomOneElement.pipe 2>&1)