Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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: translateModel(IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet") translateModel(IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001006/0.001006, allocations: 92.86 kB / 15.7 MB, free: 472 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009451/0.0009452, allocations: 170.2 kB / 16.58 MB, free: 6.051 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.365/1.365, allocations: 223.3 MB / 240.6 MB, free: 5.398 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.713/0.713, allocations: 115.5 MB / 407.2 MB, free: 2.828 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003028/0.0003028, allocations: 9 kB / 495.2 MB, free: 6.754 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1289/0.1292, allocations: 77.54 MB / 0.5593 GB, free: 9.41 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet): time 0.2848/0.4141, allocations: 57.34 MB / 0.6153 GB, free: 1.82 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01484/0.429, allocations: 10.75 MB / 0.6258 GB, free: 10.08 MB / 462.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001867/0.4309, allocations: 69.06 kB / 0.6259 GB, free: 10.05 MB / 462.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001588/0.4325, allocations: 0.5674 MB / 0.6264 GB, free: 9.762 MB / 462.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004055/0.4365, allocations: 1.622 MB / 0.628 GB, free: 8.855 MB / 462.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.00431/0.4409, allocations: 1.486 MB / 0.6295 GB, free: 7.938 MB / 462.1 MB Notification: Performance of NFFlatten.flatten: time 0.005904/0.4468, allocations: 4.478 MB / 0.6338 GB, free: 5.27 MB / 462.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001724/0.4485, allocations: 0.9532 MB / 0.6348 GB, free: 4.656 MB / 462.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003585/0.4521, allocations: 1.544 MB / 0.6363 GB, free: 3.789 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001906/0.4541, allocations: 1.157 MB / 0.6374 GB, free: 3.125 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001659/0.4542, allocations: 58.84 kB / 0.6375 GB, free: 3.125 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002725/0.457, allocations: 1.119 MB / 0.6386 GB, free: 2.555 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0003135/0.4573, allocations: 289 kB / 0.6388 GB, free: 2.344 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0005509/0.4579, allocations: 362.7 kB / 0.6392 GB, free: 2.148 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.002373/0.4602, allocations: 1.746 MB / 0.6409 GB, free: 1.012 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.31e-06/0.4603, allocations: 0 / 0.6409 GB, free: 1.012 MB / 462.1 MB Notification: Performance of FrontEnd: time 2.014e-06/0.4603, allocations: 0 / 0.6409 GB, free: 1.012 MB / 462.1 MB Notification: Performance of Transformations before backend: time 3.549e-05/0.4603, allocations: 0 / 0.6409 GB, free: 1.012 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 260 * Number of variables: 260 Notification: Performance of Generate backend data structure: time 0.003162/0.4635, allocations: 1.885 MB / 0.6427 GB, free: 15.54 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.056e-05/0.4635, allocations: 9.156 kB / 0.6427 GB, free: 15.54 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003114/0.4666, allocations: 0.6486 MB / 0.6434 GB, free: 15.26 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002126/0.4688, allocations: 1.165 MB / 0.6445 GB, free: 14.36 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.49e-05/0.4689, allocations: 78.22 kB / 0.6446 GB, free: 14.33 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001517/0.469, allocations: 107.4 kB / 0.6447 GB, free: 14.29 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002593/0.4716, allocations: 1.346 MB / 0.646 GB, free: 13.46 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.315e-05/0.4717, allocations: 6.875 kB / 0.646 GB, free: 13.46 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001225/0.4718, allocations: 45.42 kB / 0.646 GB, free: 13.43 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.975e-05/0.4718, allocations: 25.44 kB / 0.6461 GB, free: 13.43 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002967/0.4748, allocations: 1.257 MB / 0.6473 GB, free: 12.84 MB / 478.1 MB 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 0.007787/0.4826, allocations: 6.397 MB / 0.6535 GB, free: 5.934 MB / 478.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002943/0.4856, allocations: 1.255 MB / 0.6548 GB, free: 4.664 MB / 478.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001505/0.4871, allocations: 0.6768 MB / 0.6554 GB, free: 3.988 MB / 478.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.00175/0.4888, allocations: 2.26 MB / 0.6576 GB, free: 1.227 MB / 478.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001723/0.4906, allocations: 0.825 MB / 0.6584 GB, free: 380 kB / 478.1 MB Notification: Performance of pre-optimization done (n=100): time 3.406e-06/0.4906, allocations: 0 / 0.6584 GB, free: 380 kB / 478.1 MB Notification: Performance of matching and sorting (n=100): time 0.005074/0.4957, allocations: 2.171 MB / 0.6606 GB, free: 14.18 MB / 494.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 9.311e-05/0.4958, allocations: 145.5 kB / 0.6607 GB, free: 14.01 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001552/0.4973, allocations: 1.205 MB / 0.6619 GB, free: 12.79 MB / 494.1 MB Notification: Performance of collectPreVariables (initialization): time 8.437e-05/0.4974, allocations: 49.64 kB / 0.6619 GB, free: 12.74 MB / 494.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005508/0.498, allocations: 0.6899 MB / 0.6626 GB, free: 12.04 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002789/0.4983, allocations: 323.3 kB / 0.6629 GB, free: 11.72 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 6.418e-05/0.4984, allocations: 28 kB / 0.6629 GB, free: 11.69 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 0.000122/0.4985, allocations: 341.9 kB / 0.6633 GB, free: 11.35 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001446/0.4999, allocations: 0.5563 MB / 0.6638 GB, free: 10.79 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00158/0.5015, allocations: 0.7764 MB / 0.6646 GB, free: 9.945 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001515/0.5031, allocations: 0.6911 MB / 0.6652 GB, free: 9.238 MB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.548e-06/0.5031, allocations: 0 / 0.6652 GB, free: 9.238 MB / 494.1 MB Notification: Performance of matching and sorting (n=126) (initialization): time 0.00373/0.5068, allocations: 1.738 MB / 0.6669 GB, free: 7.469 MB / 494.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.0001931/0.507, allocations: 311.6 kB / 0.6672 GB, free: 7.09 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.07e-05/0.507, allocations: 7.984 kB / 0.6672 GB, free: 7.082 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.331e-05/0.5071, allocations: 12 kB / 0.6673 GB, free: 7.07 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001231/0.5083, allocations: 279.6 kB / 0.6675 GB, free: 6.797 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.403e-05/0.5083, allocations: 8 kB / 0.6675 GB, free: 6.789 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001376/0.5097, allocations: 236.3 kB / 0.6678 GB, free: 6.559 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001215/0.5098, allocations: 55.97 kB / 0.6678 GB, free: 6.504 MB / 494.1 MB Notification: Performance of prepare postOptimizeDAE: time 7.143e-06/0.5099, allocations: 4 kB / 0.6678 GB, free: 6.5 MB / 494.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.003585/0.5134, allocations: 1.636 MB / 0.6694 GB, free: 4.84 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.073e-06/0.5135, allocations: 4 kB / 0.6694 GB, free: 4.836 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.231e-05/0.5135, allocations: 12.48 kB / 0.6694 GB, free: 4.824 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001181/0.5147, allocations: 279.6 kB / 0.6697 GB, free: 4.551 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.247e-05/0.5147, allocations: 12 kB / 0.6697 GB, free: 4.539 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001353/0.5161, allocations: 223 kB / 0.6699 GB, free: 4.32 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001013/0.5162, allocations: 51.97 kB / 0.67 GB, free: 4.27 MB / 494.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * Number of states: 0 () * Number of discrete variables: 21 ($whenCondition1,$whenCondition2,$whenCondition3,TSetHeat.a,TSetHeat.b,TSetHeat.last,$PRE.TSetHeat.nextEvent,TSetHeat.nextEvent,TSetHeat.nextEventScaled,TSetCool.a,TSetCool.b,TSetCool.last,$PRE.TSetCool.nextEvent,TSetCool.nextEvent,TSetCool.nextEventScaled,TSetCoolHeat.a,TSetCoolHeat.b,TSetCoolHeat.last,$PRE.TSetCoolHeat.nextEvent,TSetCoolHeat.nextEvent,TSetCoolHeat.nextEventScaled) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (111): * Single equations (assignments): 108 * Array equations: 0 * Algorithm blocks: 3 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0006904/0.5169, allocations: 0.4957 MB / 0.6705 GB, free: 3.746 MB / 494.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002146/0.5171, allocations: 158.1 kB / 0.6706 GB, free: 3.59 MB / 494.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004801/0.5219, allocations: 2.312 MB / 0.6729 GB, free: 1.266 MB / 494.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.611e-05/0.5219, allocations: 23.92 kB / 0.6729 GB, free: 1.242 MB / 494.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.063e-06/0.522, allocations: 4 kB / 0.6729 GB, free: 1.238 MB / 494.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.232e-05/0.522, allocations: 3.984 kB / 0.6729 GB, free: 1.234 MB / 494.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006476/0.5285, allocations: 3.643 MB / 0.6764 GB, free: 13.5 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.706e-06/0.5285, allocations: 4.031 kB / 0.6765 GB, free: 13.49 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001091/0.5296, allocations: 231.7 kB / 0.6767 GB, free: 13.27 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.182e-05/0.5296, allocations: 4 kB / 0.6767 GB, free: 13.26 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.267e-05/0.5297, allocations: 43.97 kB / 0.6767 GB, free: 13.22 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.716e-06/0.5297, allocations: 4 kB / 0.6767 GB, free: 13.21 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.984e-06/0.5297, allocations: 0 / 0.6767 GB, free: 13.21 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006017/0.5358, allocations: 3.062 MB / 0.6797 GB, free: 10.1 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001034/0.5368, allocations: 394.6 kB / 0.6801 GB, free: 9.695 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002308/0.5371, allocations: 28 kB / 0.6801 GB, free: 9.668 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001167/0.5382, allocations: 163.8 kB / 0.6803 GB, free: 9.508 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001377/0.5384, allocations: 80.84 kB / 0.6803 GB, free: 9.426 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001124/0.5385, allocations: 48.09 kB / 0.6804 GB, free: 9.379 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.001205/0.5397, allocations: 0.8142 MB / 0.6812 GB, free: 8.566 MB / 0.4981 GB Notification: Performance of sort global known variables: time 1.5e-07/0.5397, allocations: 0 / 0.6812 GB, free: 8.566 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.002161/0.5419, allocations: 0.8578 MB / 0.682 GB, free: 7.707 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 6 (heaHigPowOut.T,cooLimPowOut.T,heaCooUnlOut.T,heaHigPowIn.T,cooLimPowIn.T,heaCooUnlIn.T) * Number of discrete variables: 18 ($whenCondition1,$whenCondition2,$whenCondition3,TSetHeat.a,TSetHeat.b,TSetHeat.last,TSetHeat.nextEvent,TSetHeat.nextEventScaled,TSetCool.a,TSetCool.b,TSetCool.last,TSetCool.nextEvent,TSetCool.nextEventScaled,TSetCoolHeat.a,TSetCoolHeat.b,TSetCoolHeat.last,TSetCoolHeat.nextEvent,TSetCoolHeat.nextEventScaled) * Number of discrete states: 18 (TSetCoolHeat.nextEvent,TSetCoolHeat.last,TSetCoolHeat.nextEventScaled,TSetCoolHeat.b,TSetCoolHeat.a,$whenCondition3,TSetCool.nextEvent,TSetCool.last,TSetCool.nextEventScaled,TSetCool.b,TSetCool.a,$whenCondition2,TSetHeat.nextEvent,TSetHeat.last,TSetHeat.nextEventScaled,TSetHeat.b,TSetHeat.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (104): * Single equations (assignments): 82 * Array equations: 0 * Algorithm blocks: 3 * Record equations: 19 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001211/0.5431, allocations: 0.553 MB / 0.6826 GB, free: 7.156 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.005453/0.5486, allocations: 2.763 MB / 0.6853 GB, free: 4.324 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 3.576e-06/0.5486, allocations: 0 / 0.6853 GB, free: 4.324 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.001948/0.5506, allocations: 1.09 MB / 0.6863 GB, free: 3.203 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002832/0.5534, allocations: 0.6228 MB / 0.6869 GB, free: 2.594 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005626/0.5591, allocations: 3.744 MB / 0.6906 GB, free: 14.8 MB / 0.5137 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007997/0.5599, allocations: 1.27 MB / 0.6918 GB, free: 13.5 MB / 0.5137 GB Notification: Performance of simCode: alias equations: time 0.001563/0.5614, allocations: 419.5 kB / 0.6922 GB, free: 13.08 MB / 0.5137 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003708/0.5618, allocations: 143.3 kB / 0.6924 GB, free: 12.94 MB / 0.5137 GB Notification: Performance of SimCode: time 7.81e-07/0.5618, allocations: 0 / 0.6924 GB, free: 12.94 MB / 0.5137 GB Notification: Performance of Templates: time 0.04942/0.6113, allocations: 29.44 MB / 0.7211 GB, free: 15.93 MB / 0.545 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet.makefile (rm -f IBPSA_latest_IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet.sim & ./IBPSA_latest_IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.HeatExchangers.Validation.PrescribedOutlet.pipe 2>&1)