Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251") translateModel(IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004996/0.004996, allocations: 102.7 kB / 15.73 MB, free: 6.488 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001033/0.001033, allocations: 195.2 kB / 16.68 MB, free: 6.375 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.432/1.432, allocations: 222.9 MB / 240.4 MB, free: 4.348 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7543/0.7543, allocations: 132.2 MB / 422.7 MB, free: 1.703 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002335/0.002335, allocations: 63.91 kB / 0.5813 GB, free: 7.582 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.47/0.4724, allocations: 80.2 MB / 0.6596 GB, free: 10.29 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251): time 0.008237/0.4807, allocations: 7.014 MB / 0.6665 GB, free: 5.102 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.1725/0.6532, allocations: 155.8 MB / 0.8186 GB, free: 2.863 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001992/0.6553, allocations: 31.88 kB / 0.8187 GB, free: 2.832 MB / 0.6387 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/BoundaryConditions/Interfaces/PartialSimInfoManager.mo:151:3-154:55:writable] Warning: Connector weaBus is not balanced: The number of potential variables (20) is not equal to the number of flow variables (0). Notification: Performance of NFTyping.typeComponents: time 0.001377/0.6567, allocations: 293.1 kB / 0.8189 GB, free: 2.543 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.003524/0.6602, allocations: 0.7341 MB / 0.8197 GB, free: 1.809 MB / 0.6387 GB Notification: Performance of NFTyping.typeClassSections: time 0.003561/0.6638, allocations: 1.301 MB / 0.8209 GB, free: 0.5156 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.006483/0.6703, allocations: 4.606 MB / 0.8254 GB, free: 11.89 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005672/0.676, allocations: 2.685 MB / 0.8281 GB, free: 9.137 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003674/0.6797, allocations: 1.808 MB / 0.8298 GB, free: 7.336 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002787/0.6825, allocations: 1.813 MB / 0.8316 GB, free: 5.516 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.001237/0.6837, allocations: 472 kB / 0.832 GB, free: 5.055 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002808/0.6866, allocations: 1.07 MB / 0.8331 GB, free: 3.984 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.001718/0.6883, allocations: 1.009 MB / 0.8341 GB, free: 2.973 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.002642/0.691, allocations: 1.921 MB / 0.8359 GB, free: 1.043 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.006507/0.6975, allocations: 5.626 MB / 0.8414 GB, free: 11.4 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.961e-06/0.6975, allocations: 0 / 0.8414 GB, free: 11.4 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.743e-06/0.6975, allocations: 0 / 0.8414 GB, free: 11.4 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0001261/0.6977, allocations: 0 / 0.8414 GB, free: 11.4 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 777 * Number of variables: 777 Notification: Performance of Generate backend data structure: time 0.008656/0.7063, allocations: 3.991 MB / 0.8453 GB, free: 7.336 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.986e-05/0.7064, allocations: 8.031 kB / 0.8453 GB, free: 7.328 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008982/0.7154, allocations: 1.295 MB / 0.8466 GB, free: 6.027 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003982/0.7194, allocations: 2.187 MB / 0.8487 GB, free: 3.785 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001781/0.7196, allocations: 238 kB / 0.849 GB, free: 3.551 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005918/0.7202, allocations: 296 kB / 0.8493 GB, free: 3.262 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009376/0.7296, allocations: 4.517 MB / 0.8537 GB, free: 14.64 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.164e-05/0.7297, allocations: 0 / 0.8537 GB, free: 14.64 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000317/0.73, allocations: 124 kB / 0.8538 GB, free: 14.52 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.992e-05/0.73, allocations: 72 kB / 0.8539 GB, free: 14.45 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01057/0.7406, allocations: 4.952 MB / 0.8587 GB, free: 9.48 MB / 0.6856 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 0.4315/1.172, allocations: 14.1 MB / 0.8725 GB, free: 35.18 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01104/1.183, allocations: 4.087 MB / 0.8765 GB, free: 35.13 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004283/1.188, allocations: 1.714 MB / 0.8781 GB, free: 35.12 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001014/1.189, allocations: 1.075 MB / 0.8792 GB, free: 33.99 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004224/1.193, allocations: 2.143 MB / 0.8813 GB, free: 33.86 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=225): time 4.018e-06/1.193, allocations: 0 / 0.8813 GB, free: 33.86 MB / 0.6856 GB Notification: Performance of matching and sorting (n=225): time 0.01366/1.206, allocations: 5.413 MB / 0.8866 GB, free: 33.64 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001183/1.207, allocations: 273.4 kB / 0.8868 GB, free: 33.36 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003146/1.21, allocations: 2.008 MB / 0.8888 GB, free: 33.14 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0003712/1.21, allocations: 68.83 kB / 0.8888 GB, free: 33.11 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009851/1.211, allocations: 1.195 MB / 0.89 GB, free: 32.68 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006689/1.212, allocations: 0.7495 MB / 0.8907 GB, free: 32.2 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001001/1.213, allocations: 0.5443 MB / 0.8913 GB, free: 32.16 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 4.016e-05/1.213, allocations: 307.9 kB / 0.8916 GB, free: 31.86 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00365/1.217, allocations: 1.615 MB / 0.8931 GB, free: 31.86 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003856/1.22, allocations: 1.945 MB / 0.895 GB, free: 31.59 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006934/1.227, allocations: 3.587 MB / 0.8985 GB, free: 31.25 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.014e-05/1.227, allocations: 0 / 0.8985 GB, free: 31.25 MB / 0.6856 GB Notification: Performance of matching and sorting (n=296) (initialization): time 0.008757/1.236, allocations: 4.112 MB / 0.9026 GB, free: 30.98 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 4.962e-05/1.236, allocations: 38.83 kB / 0.9026 GB, free: 30.95 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.609e-05/1.236, allocations: 4.812 kB / 0.9026 GB, free: 30.95 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005783/1.237, allocations: 99.88 kB / 0.9027 GB, free: 30.94 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003273/1.24, allocations: 0.7152 MB / 0.9034 GB, free: 30.94 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001815/1.242, allocations: 1.706 MB / 0.9051 GB, free: 29.56 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003234/1.245, allocations: 443.8 kB / 0.9055 GB, free: 29.45 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003221/1.246, allocations: 133.9 kB / 0.9056 GB, free: 29.45 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * Number of states: 0 () * Number of discrete variables: 32 ($whenCondition4,$whenCondition3,sim.weaDat.conTim.canRepeatWeatherFile,sim.weaDat.conTimMin.canRepeatWeatherFile,sim.radSol[1].solAzi.outsidePolarCircle,sim.radSol[2].solAzi.outsidePolarCircle,sim.radSol[3].solAzi.outsidePolarCircle,sim.radSol[4].solAzi.outsidePolarCircle,sim.radSol[5].solAzi.outsidePolarCircle,sim.radSol[6].solAzi.outsidePolarCircle,sim.weaDat.conTim.tNext,$PRE.sim.weaDat.conTim.tNext,sim.weaDat.conTimMin.tNext,$PRE.sim.weaDat.conTimMin.tNext,runningMeanTemperature.TAveDay[7],$PRE.runningMeanTemperature.TAveDay[7],runningMeanTemperature.TAveDay[6],$PRE.runningMeanTemperature.TAveDay[6],runningMeanTemperature.TAveDay[5],$PRE.runningMeanTemperature.TAveDay[5],runningMeanTemperature.TAveDay[4],$PRE.runningMeanTemperature.TAveDay[4],runningMeanTemperature.TAveDay[3],$PRE.runningMeanTemperature.TAveDay[3],runningMeanTemperature.TAveDay[2],$PRE.runningMeanTemperature.TAveDay[2],runningMeanTemperature.TAveDay[1],$PRE.runningMeanTemperature.TAveDay[1],runningMeanTemperature.TRm,$PRE.runningMeanTemperature.TRm,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (294): * Single equations (assignments): 292 * Array equations: 0 * Algorithm blocks: 1 * 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 0.002321/1.248, allocations: 1.017 MB / 0.9066 GB, free: 29.29 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006189/1.248, allocations: 228.7 kB / 0.9068 GB, free: 29.17 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009128/1.258, allocations: 4.394 MB / 0.9111 GB, free: 28.89 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.947e-05/1.258, allocations: 25.55 kB / 0.9111 GB, free: 28.89 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.66e-06/1.258, allocations: 0.7812 kB / 0.9111 GB, free: 28.89 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.724e-05/1.258, allocations: 11.62 kB / 0.9112 GB, free: 28.89 MB / 0.6856 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01375/1.271, allocations: 8.122 MB / 0.9191 GB, free: 27.75 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.616e-06/1.272, allocations: 0 / 0.9191 GB, free: 27.75 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002686/1.274, allocations: 0.5803 MB / 0.9196 GB, free: 27.75 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004179/1.275, allocations: 80.44 kB / 0.9197 GB, free: 27.74 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002115/1.275, allocations: 77.11 kB / 0.9198 GB, free: 27.74 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001596/1.276, allocations: 1.715 MB / 0.9215 GB, free: 26.35 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.063e-06/1.276, allocations: 0.875 kB / 0.9215 GB, free: 26.35 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01074/1.287, allocations: 5.797 MB / 0.9271 GB, free: 24.62 MB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001436/1.289, allocations: 0.7563 MB / 0.9279 GB, free: 24.18 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004321/1.289, allocations: 85.25 kB / 0.928 GB, free: 24.13 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002199/1.291, allocations: 275 kB / 0.9282 GB, free: 24.1 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000324/1.292, allocations: 152.3 kB / 0.9284 GB, free: 24.07 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002059/1.292, allocations: 91.05 kB / 0.9284 GB, free: 24.06 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.001885/1.294, allocations: 1.525 MB / 0.9299 GB, free: 23.35 MB / 0.6856 GB Notification: Performance of sort global known variables: time 1.4e-07/1.294, allocations: 3.75 kB / 0.9299 GB, free: 23.35 MB / 0.6856 GB Notification: Performance of remove unused functions: time 0.002259/1.296, allocations: 0.894 MB / 0.9308 GB, free: 23.11 MB / 0.6856 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 1 (runningMeanTemperature.intTAmb) * Number of discrete variables: 14 ($whenCondition4,$whenCondition2,$whenCondition1,$whenCondition3,runningMeanTemperature.TRm,runningMeanTemperature.TAveDay[1],runningMeanTemperature.TAveDay[2],runningMeanTemperature.TAveDay[3],runningMeanTemperature.TAveDay[4],runningMeanTemperature.TAveDay[5],runningMeanTemperature.TAveDay[6],runningMeanTemperature.TAveDay[7],sim.weaDat.conTimMin.tNext,sim.weaDat.conTim.tNext) * Number of discrete states: 13 (runningMeanTemperature.TRm,runningMeanTemperature.TAveDay[7],runningMeanTemperature.TAveDay[6],runningMeanTemperature.TAveDay[5],runningMeanTemperature.TAveDay[4],runningMeanTemperature.TAveDay[3],runningMeanTemperature.TAveDay[2],runningMeanTemperature.TAveDay[1],$whenCondition3,i,runningMeanTemperature.TAveDay[i - 1],sim.weaDat.conTim.tNext,sim.weaDat.conTimMin.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (245): * Single equations (assignments): 241 * Array equations: 0 * Algorithm blocks: 1 * 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 0.001539/1.298, allocations: 0.7025 MB / 0.9315 GB, free: 22.9 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.007226/1.305, allocations: 3.772 MB / 0.9352 GB, free: 20.73 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 4.408e-06/1.305, allocations: 0.625 kB / 0.9352 GB, free: 20.73 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.003257/1.308, allocations: 1.991 MB / 0.9371 GB, free: 18.76 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001863/1.31, allocations: 454.6 kB / 0.9376 GB, free: 18.34 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01013/1.32, allocations: 6.441 MB / 0.9439 GB, free: 11.89 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001353/1.322, allocations: 2.297 MB / 0.9461 GB, free: 9.555 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.002741/1.324, allocations: 0.9301 MB / 0.947 GB, free: 8.625 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001021/1.325, allocations: 299.2 kB / 0.9473 GB, free: 8.336 MB / 0.6856 GB Notification: Performance of SimCode: time 7.82e-07/1.325, allocations: 0 / 0.9473 GB, free: 8.336 MB / 0.6856 GB Notification: Performance of Templates: time 0.0658/1.391, allocations: 41.93 MB / 0.9882 GB, free: 14.82 MB / 0.7325 GB make -j1 -f IDEAS_IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251.makefile (rm -f IDEAS_IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251.pipe ; mkfifo IDEAS_IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251.pipe ; head -c 1048576 < IDEAS_IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251.pipe >> ../files/IDEAS_IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251.sim & ./IDEAS_IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251 -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Controls.ControlHeating.Examples.RunningMeanTemperatureEN15251.pipe 2>&1)