Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 7.0.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised") translateModel(Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.816/2.816, allocations: 254.9 MB / 269.9 MB, free: 9.641 MB / 218.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002171/0.002171, allocations: 191.2 kB / 329.5 MB, free: 1.18 MB / 250.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 2.471/2.471, allocations: 225.6 MB / 0.6001 GB, free: 2.156 MB / 426.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001312/0.001312, allocations: 98.41 kB / 0.7074 GB, free: 7.855 MB / 0.5261 GB Notification: Performance of FrontEnd - loaded program: time 0.0006643/0.0006645, allocations: 15.69 kB / 0.8242 GB, free: 124.3 MB / 0.5886 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2185/0.2192, allocations: 109.1 MB / 0.9308 GB, free: 25.11 MB / 0.5886 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised): time 0.9144/1.134, allocations: 146.8 MB / 1.074 GB, free: 0.9531 MB / 0.6511 GB Notification: Performance of NFInst.instExpressions: time 0.004243/1.138, allocations: 1.704 MB / 1.076 GB, free: 0.7656 MB / 0.6511 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000616/1.139, allocations: 12.72 kB / 1.076 GB, free: 0.7578 MB / 0.6511 GB Notification: Performance of NFTyping.typeComponents: time 0.0006566/1.139, allocations: 116 kB / 1.076 GB, free: 0.7148 MB / 0.6511 GB Notification: Performance of NFTyping.typeBindings: time 0.001731/1.141, allocations: 389.1 kB / 1.076 GB, free: 0.6211 MB / 0.6511 GB Notification: Performance of NFTyping.typeClassSections: time 0.001697/1.143, allocations: 333.4 kB / 1.077 GB, free: 0.582 MB / 0.6511 GB Notification: Performance of NFFlatten.flatten: time 0.004732/1.148, allocations: 3.037 MB / 1.08 GB, free: 124 kB / 0.6511 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004256/1.152, allocations: 2.169 MB / 1.082 GB, free: 15.76 MB / 0.6667 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002887/1.155, allocations: 0.8624 MB / 1.083 GB, free: 15.57 MB / 0.6667 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002127/1.157, allocations: 0.7057 MB / 1.083 GB, free: 15.42 MB / 0.6667 GB Notification: Performance of NFPackage.collectConstants: time 0.0004938/1.158, allocations: 35.53 kB / 1.083 GB, free: 15.42 MB / 0.6667 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003842/1.161, allocations: 0.5545 MB / 1.084 GB, free: 15.38 MB / 0.6667 GB Notification: Performance of NFScalarize.scalarize: time 0.001026/1.163, allocations: 280 kB / 1.084 GB, free: 15.33 MB / 0.6667 GB Notification: Performance of NFVerifyModel.verify: time 0.0007073/1.163, allocations: 234.5 kB / 1.084 GB, free: 15.26 MB / 0.6667 GB Notification: Performance of NFConvertDAE.convert: time 0.002418/1.166, allocations: 1.04 MB / 1.085 GB, free: 15.1 MB / 0.6667 GB Notification: Performance of FrontEnd - DAE generated: time 8.646e-06/1.166, allocations: 3.156 kB / 1.085 GB, free: 15.1 MB / 0.6667 GB Notification: Performance of FrontEnd: time 2.926e-06/1.166, allocations: 0 / 1.085 GB, free: 15.1 MB / 0.6667 GB Notification: Performance of Transformations before backend: time 4.08e-05/1.166, allocations: 4 kB / 1.085 GB, free: 15.09 MB / 0.6667 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 126 * Number of variables: 126 Notification: Performance of Generate backend data structure: time 0.004844/1.171, allocations: 1.333 MB / 1.087 GB, free: 14.15 MB / 0.6667 GB Notification: Performance of prepare preOptimizeDAE: time 6.456e-05/1.171, allocations: 15.44 kB / 1.087 GB, free: 14.14 MB / 0.6667 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002419/1.173, allocations: 186 kB / 1.087 GB, free: 14.07 MB / 0.6667 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004371/1.178, allocations: 0.8032 MB / 1.088 GB, free: 13.59 MB / 0.6667 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.209e-05/1.178, allocations: 43.94 kB / 1.088 GB, free: 13.59 MB / 0.6667 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002229/1.178, allocations: 60.56 kB / 1.088 GB, free: 13.59 MB / 0.6667 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003212/1.181, allocations: 0.8235 MB / 1.089 GB, free: 13.19 MB / 0.6667 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.461e-05/1.181, allocations: 0 / 1.089 GB, free: 13.19 MB / 0.6667 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001279/1.181, allocations: 25.64 kB / 1.089 GB, free: 13.19 MB / 0.6667 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.365e-05/1.182, allocations: 14.56 kB / 1.089 GB, free: 13.19 MB / 0.6667 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001848/1.183, allocations: 0.5726 MB / 1.089 GB, free: 13.05 MB / 0.6667 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 0.007117/1.191, allocations: 4.252 MB / 1.093 GB, free: 9.707 MB / 0.6667 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001346/1.192, allocations: 463 kB / 1.094 GB, free: 9.582 MB / 0.6667 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008243/1.193, allocations: 347.5 kB / 1.094 GB, free: 9.523 MB / 0.6667 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000433/1.193, allocations: 197.7 kB / 1.094 GB, free: 9.324 MB / 0.6667 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008604/1.194, allocations: 327.5 kB / 1.095 GB, free: 9.176 MB / 0.6667 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0005972/1.195, allocations: 33.23 kB / 1.095 GB, free: 9.156 MB / 0.6667 GB Notification: Performance of pre-optimization done (n=33): time 3.356e-06/1.195, allocations: 4 kB / 1.095 GB, free: 9.152 MB / 0.6667 GB Notification: Performance of matching and sorting (n=33): time 0.009551/1.204, allocations: 1.694 MB / 1.096 GB, free: 8.418 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.93e-05/1.204, allocations: 86.05 kB / 1.096 GB, free: 8.32 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002633/1.207, allocations: 1.145 MB / 1.097 GB, free: 7.957 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.000147/1.207, allocations: 39.27 kB / 1.097 GB, free: 7.926 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006052/1.208, allocations: 485 kB / 1.098 GB, free: 7.727 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001905/1.208, allocations: 113.4 kB / 1.098 GB, free: 7.645 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.672e-05/1.208, allocations: 15.03 kB / 1.098 GB, free: 7.641 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.000149/1.208, allocations: 326.4 kB / 1.098 GB, free: 7.328 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000693/1.209, allocations: 209.5 kB / 1.099 GB, free: 7.285 MB / 0.6667 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001051/1.21, allocations: 0.5238 MB / 1.099 GB, free: 6.855 MB / 0.6667 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009244/1.211, allocations: 318.9 kB / 1.099 GB, free: 6.754 MB / 0.6667 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.314e-06/1.211, allocations: 2.281 kB / 1.099 GB, free: 6.754 MB / 0.6667 GB Notification: Performance of matching and sorting (n=56) (initialization): time 0.004143/1.215, allocations: 1.042 MB / 1.1 GB, free: 6.363 MB / 0.6667 GB Notification: Performance of prepare postOptimizeDAE: time 0.000239/1.216, allocations: 272.2 kB / 1.101 GB, free: 6.051 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.536e-05/1.216, allocations: 5.25 kB / 1.101 GB, free: 6.051 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002321/1.218, allocations: 355.6 kB / 1.101 GB, free: 5.93 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007446/1.219, allocations: 93.41 kB / 1.101 GB, free: 5.91 MB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001798/1.221, allocations: 1.058 MB / 1.102 GB, free: 5.254 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001891/1.222, allocations: 90.52 kB / 1.102 GB, free: 5.215 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001413/1.223, allocations: 29.55 kB / 1.102 GB, free: 5.211 MB / 0.6667 GB Notification: Performance of prepare postOptimizeDAE: time 1.844e-05/1.223, allocations: 7.719 kB / 1.102 GB, free: 5.207 MB / 0.6667 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002585/1.225, allocations: 0.7864 MB / 1.103 GB, free: 4.969 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.3e-05/1.225, allocations: 5.812 kB / 1.103 GB, free: 4.969 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001077/1.226, allocations: 246.8 kB / 1.103 GB, free: 4.902 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007066/1.227, allocations: 104.8 kB / 1.103 GB, free: 4.871 MB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005748/1.233, allocations: 3.047 MB / 1.106 GB, free: 3.09 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001742/1.235, allocations: 91.09 kB / 1.106 GB, free: 3.055 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.413e-05/1.235, allocations: 27.08 kB / 1.106 GB, free: 3.051 MB / 0.6667 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 5 ($whenCondition1,$PRE.pulse_m_flow.T_start,pulse_m_flow.T_start,$PRE.pulse_m_flow.count,pulse_m_flow.count) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (35): * Single equations (assignments): 33 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 20} Notification: Performance of prepare postOptimizeDAE: time 0.000933/1.236, allocations: 470 kB / 1.107 GB, free: 2.781 MB / 0.6667 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003177/1.236, allocations: 104 kB / 1.107 GB, free: 2.727 MB / 0.6667 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002309/1.238, allocations: 0.7937 MB / 1.108 GB, free: 2.469 MB / 0.6667 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.254e-05/1.238, allocations: 5.062 kB / 1.108 GB, free: 2.469 MB / 0.6667 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.486e-06/1.239, allocations: 5.75 kB / 1.108 GB, free: 2.465 MB / 0.6667 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.367e-05/1.239, allocations: 3.984 kB / 1.108 GB, free: 2.461 MB / 0.6667 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004426/1.243, allocations: 1.735 MB / 1.109 GB, free: 1.637 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.846e-06/1.243, allocations: 2.906 kB / 1.109 GB, free: 1.637 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004641/1.243, allocations: 58.31 kB / 1.11 GB, free: 1.617 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009174/1.244, allocations: 244.2 kB / 1.11 GB, free: 1.543 MB / 0.6667 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.765e-05/1.244, allocations: 11.98 kB / 1.11 GB, free: 1.539 MB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001419/1.246, allocations: 1.002 MB / 1.111 GB, free: 0.9102 MB / 0.6667 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.07e-06/1.246, allocations: 3 kB / 1.111 GB, free: 0.9102 MB / 0.6667 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002308/1.248, allocations: 0.8963 MB / 1.112 GB, free: 500 kB / 0.6667 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000663/1.249, allocations: 232.7 kB / 1.112 GB, free: 324 kB / 0.6667 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002054/1.249, allocations: 23.38 kB / 1.112 GB, free: 312 kB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001297/1.251, allocations: 61.59 kB / 1.112 GB, free: 288 kB / 0.6667 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001266/1.251, allocations: 28.98 kB / 1.112 GB, free: 276 kB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.542e-05/1.251, allocations: 7.938 kB / 1.112 GB, free: 276 kB / 0.6667 GB Notification: Performance of sorting global known variables: time 0.001626/1.252, allocations: 0.8118 MB / 1.113 GB, free: 4 kB / 0.6667 GB Notification: Performance of sort global known variables: time 9.62e-07/1.252, allocations: 0 / 1.113 GB, free: 4 kB / 0.6667 GB Notification: Performance of remove unused functions: time 0.002098/1.254, allocations: 480.4 kB / 1.113 GB, free: 15.97 MB / 0.6823 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,pulse_m_flow.T_start,pulse_m_flow.count) * Number of discrete states: 1 (pulse_m_flow.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (13): * Single equations (assignments): 10 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 20} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005877/1.255, allocations: 183.7 kB / 1.113 GB, free: 15.85 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.003355/1.258, allocations: 1.143 MB / 1.115 GB, free: 15.36 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 7.013e-06/1.259, allocations: 0 / 1.115 GB, free: 15.36 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.0009283/1.259, allocations: 254.6 kB / 1.115 GB, free: 15.31 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006376/1.266, allocations: 0.6314 MB / 1.115 GB, free: 15.07 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004896/1.271, allocations: 1.988 MB / 1.117 GB, free: 13.97 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009775/1.272, allocations: 1.188 MB / 1.118 GB, free: 13.08 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.001804/1.274, allocations: 341.6 kB / 1.119 GB, free: 12.93 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002434/1.274, allocations: 59.59 kB / 1.119 GB, free: 12.92 MB / 0.6823 GB Notification: Performance of SimCode: time 9.72e-07/1.274, allocations: 0 / 1.119 GB, free: 12.92 MB / 0.6823 GB Notification: Performance of Templates: time 0.05786/1.332, allocations: 20.74 MB / 1.139 GB, free: 11.55 MB / 0.698 GB make -j1 -f Buildings_7.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised.makefile (rm -f Buildings_7.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised.pipe ; mkfifo Buildings_7.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised.pipe ; head -c 1048576 < Buildings_7.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised.pipe >> ../files/Buildings_7.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised.sim & ./Buildings_7.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_7.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.ParallelFlowOptimised.pipe 2>&1)