Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.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: "" <> buildModelFMU(Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe,fileNamePrefix="Buildings_8_Buildings_Fluid_FixedResistances_Examples_PlugFlowPipe",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe,fileNamePrefix="Buildings_8_Buildings_Fluid_FixedResistances_Examples_PlugFlowPipe",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 0.001213/0.001213, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001262/0.001262, allocations: 198.2 kB / 16.54 MB, free: 6.672 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.214/1.214, allocations: 205.1 MB / 222.4 MB, free: 4.617 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 1.552/1.552, allocations: 292.3 MB / 0.5489 GB, free: 12.84 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 0.001617/0.001617, allocations: 71.88 kB / 0.6716 GB, free: 26.19 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1736/0.1753, allocations: 114.6 MB / 0.7835 GB, free: 13.4 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe): time 0.03605/0.2113, allocations: 44.68 MB / 0.8271 GB, free: 0.5508 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.01436/0.2257, allocations: 13.01 MB / 0.8398 GB, free: 3.5 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001339/0.2271, allocations: 35.81 kB / 0.8398 GB, free: 3.465 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.001518/0.2287, allocations: 0.5977 MB / 0.8404 GB, free: 2.863 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004223/0.2329, allocations: 1.975 MB / 0.8424 GB, free: 0.8789 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.002812/0.2357, allocations: 1.318 MB / 0.8436 GB, free: 15.57 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.003382/0.2391, allocations: 3.272 MB / 0.8468 GB, free: 12.28 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001399/0.2406, allocations: 1.067 MB / 0.8479 GB, free: 11.2 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002534/0.2431, allocations: 1.365 MB / 0.8492 GB, free: 9.828 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001331/0.2444, allocations: 0.9413 MB / 0.8501 GB, free: 8.883 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0002524/0.2447, allocations: 132 kB / 0.8503 GB, free: 8.754 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002639/0.2474, allocations: 1.571 MB / 0.8518 GB, free: 7.18 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.0003114/0.2477, allocations: 307 kB / 0.8521 GB, free: 6.879 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.0007955/0.2485, allocations: 0.6921 MB / 0.8528 GB, free: 6.184 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.002893/0.2514, allocations: 2.435 MB / 0.8551 GB, free: 3.742 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 3.176e-06/0.2514, allocations: 4 kB / 0.8551 GB, free: 3.738 MB / 0.67 GB Notification: Performance of FrontEnd: time 2.285e-06/0.2514, allocations: 0 / 0.8551 GB, free: 3.738 MB / 0.67 GB Notification: Performance of Transformations before backend: time 3.869e-05/0.2514, allocations: 3.938 kB / 0.8551 GB, free: 3.734 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: 170 * Number of variables: 170 Notification: Performance of Generate backend data structure: time 0.003183/0.2546, allocations: 1.663 MB / 0.8568 GB, free: 2.02 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 3.486e-05/0.2547, allocations: 8.031 kB / 0.8568 GB, free: 2.012 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001379/0.2548, allocations: 118.7 kB / 0.8569 GB, free: 1.887 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003188/0.2551, allocations: 135.2 kB / 0.857 GB, free: 1.754 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002012/0.2572, allocations: 1.178 MB / 0.8582 GB, free: 0.5312 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.788e-05/0.2572, allocations: 61.98 kB / 0.8582 GB, free: 480 kB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.064e-05/0.2573, allocations: 68 kB / 0.8583 GB, free: 412 kB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001106/0.2584, allocations: 0.7559 MB / 0.859 GB, free: 15.63 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.914e-05/0.2585, allocations: 0 / 0.859 GB, free: 15.63 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.007e-05/0.2585, allocations: 32 kB / 0.8591 GB, free: 15.6 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.399e-05/0.2586, allocations: 20 kB / 0.8591 GB, free: 15.58 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009477/0.2595, allocations: 0.5633 MB / 0.8596 GB, free: 15.02 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 0.004023/0.2635, allocations: 4.026 MB / 0.8636 GB, free: 10.67 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008534/0.2644, allocations: 473.1 kB / 0.864 GB, free: 10.2 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003321/0.2647, allocations: 209.1 kB / 0.8642 GB, free: 9.996 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001043/0.2658, allocations: 1.511 MB / 0.8657 GB, free: 8.152 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.3e-05/0.2658, allocations: 38.92 kB / 0.8657 GB, free: 8.105 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=46): time 1.764e-06/0.2658, allocations: 0 / 0.8657 GB, free: 8.105 MB / 0.6856 GB Notification: Performance of matching and sorting (n=46): time 0.001228/0.2671, allocations: 0.6703 MB / 0.8664 GB, free: 7.43 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.977e-05/0.2671, allocations: 55.41 kB / 0.8664 GB, free: 7.363 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001142/0.2683, allocations: 1.018 MB / 0.8674 GB, free: 6.328 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 3.619e-05/0.2683, allocations: 33.7 kB / 0.8675 GB, free: 6.289 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003209/0.2686, allocations: 480.6 kB / 0.8679 GB, free: 5.812 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001182/0.2688, allocations: 169.5 kB / 0.8681 GB, free: 5.645 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001526/0.2689, allocations: 118.1 kB / 0.8682 GB, free: 5.523 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 8.642e-05/0.269, allocations: 326 kB / 0.8685 GB, free: 5.199 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003389/0.2694, allocations: 195 kB / 0.8687 GB, free: 5.004 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004205/0.2698, allocations: 324.5 kB / 0.869 GB, free: 4.633 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007454/0.2705, allocations: 0.5074 MB / 0.8695 GB, free: 4.082 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.735e-06/0.2705, allocations: 0 / 0.8695 GB, free: 4.082 MB / 0.6856 GB Notification: Performance of matching and sorting (n=68) (initialization): time 0.001063/0.2716, allocations: 0.6435 MB / 0.8701 GB, free: 3.434 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 1.572e-05/0.2716, allocations: 19.95 kB / 0.8701 GB, free: 3.414 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.522e-05/0.2717, allocations: 4 kB / 0.8701 GB, free: 3.41 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.688e-05/0.2717, allocations: 8 kB / 0.8702 GB, free: 3.402 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003983/0.2721, allocations: 119.8 kB / 0.8703 GB, free: 3.285 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.144e-05/0.2721, allocations: 11.98 kB / 0.8703 GB, free: 3.273 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005103/0.2726, allocations: 75.11 kB / 0.8704 GB, free: 3.199 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.327e-05/0.2727, allocations: 35.98 kB / 0.8704 GB, free: 3.164 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005368/0.2732, allocations: 397.1 kB / 0.8708 GB, free: 2.773 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004088/0.2736, allocations: 324.5 kB / 0.8711 GB, free: 2.406 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007247/0.2744, allocations: 0.5032 MB / 0.8716 GB, free: 1.855 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.055e-06/0.2744, allocations: 4 kB / 0.8716 GB, free: 1.852 MB / 0.6856 GB Notification: Performance of matching and sorting (n=68) (initialization_lambda0): time 0.001046/0.2754, allocations: 0.6433 MB / 0.8722 GB, free: 1.199 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 7.274e-06/0.2755, allocations: 8.094 kB / 0.8722 GB, free: 1.191 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.307e-05/0.2755, allocations: 8 kB / 0.8722 GB, free: 1.184 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.963e-06/0.2755, allocations: 7.938 kB / 0.8722 GB, free: 1.176 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003947/0.2759, allocations: 123.8 kB / 0.8723 GB, free: 1.055 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.636e-06/0.2759, allocations: 11.98 kB / 0.8724 GB, free: 1.043 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004735/0.2764, allocations: 47.58 kB / 0.8724 GB, free: 0.9961 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.788e-05/0.2764, allocations: 35.92 kB / 0.8724 GB, free: 0.9609 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (66): * Single equations (assignments): 64 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001277/0.2766, allocations: 212.1 kB / 0.8726 GB, free: 0.7461 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001604/0.2767, allocations: 110.6 kB / 0.8727 GB, free: 0.6367 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001548/0.2783, allocations: 0.968 MB / 0.8737 GB, free: 15.65 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.643e-05/0.2783, allocations: 7.984 kB / 0.8737 GB, free: 15.64 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.721e-06/0.2783, allocations: 0 / 0.8737 GB, free: 15.64 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0009787/0.2793, allocations: 0.8415 MB / 0.8745 GB, free: 14.74 MB / 0.7012 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00259/0.2819, allocations: 2.012 MB / 0.8765 GB, free: 12.63 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.101e-05/0.2819, allocations: 7.969 kB / 0.8765 GB, free: 12.62 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003627/0.2823, allocations: 103.8 kB / 0.8766 GB, free: 12.52 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.739e-06/0.2823, allocations: 4 kB / 0.8766 GB, free: 12.52 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.709e-05/0.2824, allocations: 23.92 kB / 0.8766 GB, free: 12.5 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.602e-06/0.2824, allocations: 4 kB / 0.8766 GB, free: 12.49 MB / 0.7012 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.816e-06/0.2824, allocations: 4 kB / 0.8766 GB, free: 12.49 MB / 0.7012 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001579/0.284, allocations: 1.202 MB / 0.8778 GB, free: 11.25 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000297/0.2843, allocations: 291.4 kB / 0.8781 GB, free: 10.94 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001289/0.2844, allocations: 12 kB / 0.8781 GB, free: 10.93 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004711/0.2849, allocations: 23.98 kB / 0.8781 GB, free: 10.91 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001035/0.285, allocations: 56.42 kB / 0.8782 GB, free: 10.85 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.501e-05/0.2851, allocations: 27.98 kB / 0.8782 GB, free: 10.82 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.0008649/0.2859, allocations: 0.7226 MB / 0.8789 GB, free: 10.09 MB / 0.7012 GB Notification: Performance of sort global known variables: time 1.9e-07/0.2859, allocations: 8 kB / 0.8789 GB, free: 10.09 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.001285/0.2872, allocations: 0.6085 MB / 0.8795 GB, free: 9.477 MB / 0.7012 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 5 (pip.cor.del.x,pip.cor.timDel.x,pip.vol.dynBal.U,senTemOut.T,senTemIn.T) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (62): * Single equations (assignments): 48 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 14 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.002522/0.2898, allocations: 2.164 MB / 0.8816 GB, free: 7.277 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.001633/0.2914, allocations: 0.9736 MB / 0.8826 GB, free: 6.27 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 2.234e-06/0.2914, allocations: 0 / 0.8826 GB, free: 6.27 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.0005192/0.2919, allocations: 402.4 kB / 0.8829 GB, free: 5.867 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002329/0.2943, allocations: 0.618 MB / 0.8835 GB, free: 5.266 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009929/0.3042, allocations: 8.584 MB / 0.8919 GB, free: 12.27 MB / 0.7169 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004931/0.3047, allocations: 1.058 MB / 0.893 GB, free: 11.19 MB / 0.7169 GB Notification: Performance of simCode: alias equations: time 0.0008807/0.3056, allocations: 292.8 kB / 0.8932 GB, free: 10.9 MB / 0.7169 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004821/0.3061, allocations: 439.3 kB / 0.8937 GB, free: 10.47 MB / 0.7169 GB Notification: Performance of SimCode: time 6.61e-07/0.3061, allocations: 0 / 0.8937 GB, free: 10.47 MB / 0.7169 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.764/3.07, allocations: 36.93 MB / 0.9297 GB, free: 132.5 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.48/13.55, allocations: 11.02 kB / 0.9297 GB, free: 132.5 MB / 0.7325 GB (rm -f Buildings_8_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe ; mkfifo Buildings_8_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe >> ../files/Buildings_8_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Fluid_FixedResistances_Examples_PlugFlowPipe_fmu --startTime=0 --stopTime=1000 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Fluid_FixedResistances_Examples_PlugFlowPipe.fmu > Buildings_8_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe 2>&1)