Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1.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/ModelicaTest 3.2.1+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.1+maint.om/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: translateModel(ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1") translateModel(ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001196/0.001196, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001246/0.001246, allocations: 197 kB / 16.14 MB, free: 6.703 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.405/1.405, allocations: 205.1 MB / 222 MB, free: 4.996 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.1+maint.om/package.mo): time 0.3891/0.3891, allocations: 37.98 MB / 307.3 MB, free: 9.852 MB / 254.1 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: ModelicaTest requested package Modelica of version 3.2.1. Modelica 3.2.3 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002343/0.002343, allocations: 68.95 kB / 374.6 MB, free: 15.64 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1565/0.1588, allocations: 56.47 MB / 431 MB, free: 7.074 MB / 366.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1): time 0.557/0.7159, allocations: 206.5 MB / 0.6226 GB, free: 9.73 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.4377/1.154, allocations: 15.64 MB / 0.6378 GB, free: 1.441 MB / 494.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002195/1.156, allocations: 46.94 kB / 0.6379 GB, free: 1.441 MB / 494.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001622/1.158, allocations: 0.4892 MB / 0.6384 GB, free: 1.441 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01024/1.168, allocations: 3.442 MB / 0.6417 GB, free: 1.395 MB / 494.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.01033/1.178, allocations: 3.404 MB / 0.645 GB, free: 1.277 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 0.007751/1.186, allocations: 4.697 MB / 0.6496 GB, free: 1.277 MB / 494.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003626/1.19, allocations: 1.515 MB / 0.6511 GB, free: 1.102 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005491/1.195, allocations: 1.718 MB / 0.6528 GB, free: 1.086 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.01033/1.206, allocations: 3.713 MB / 0.6564 GB, free: 0.9961 MB / 494.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001501/1.207, allocations: 127.4 kB / 0.6565 GB, free: 0.9961 MB / 494.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0227/1.23, allocations: 6.494 MB / 0.6629 GB, free: 0.9609 MB / 494.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002856/1.233, allocations: 0.8814 MB / 0.6637 GB, free: 0.9609 MB / 494.1 MB Notification: Performance of NFVerifyModel.verify: time 0.00325/1.236, allocations: 1.002 MB / 0.6647 GB, free: 0.9609 MB / 494.1 MB Notification: Performance of NFConvertDAE.convert: time 0.02228/1.258, allocations: 6.471 MB / 0.671 GB, free: 0.5391 MB / 494.1 MB Notification: Performance of FrontEnd - DAE generated: time 1.015e-05/1.258, allocations: 0 / 0.671 GB, free: 0.5391 MB / 494.1 MB Notification: Performance of FrontEnd: time 3.647e-06/1.258, allocations: 0 / 0.671 GB, free: 0.5391 MB / 494.1 MB Notification: Performance of Transformations before backend: time 0.0001364/1.259, allocations: 4 kB / 0.671 GB, free: 0.5352 MB / 494.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 334 * Number of variables: 334 Notification: Performance of Generate backend data structure: time 0.01487/1.273, allocations: 2.712 MB / 0.6737 GB, free: 14.96 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 5.703e-05/1.274, allocations: 11.81 kB / 0.6737 GB, free: 14.95 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004293/1.278, allocations: 464.1 kB / 0.6741 GB, free: 14.76 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002464/1.28, allocations: 1.105 MB / 0.6752 GB, free: 14.23 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.91e-05/1.28, allocations: 91.69 kB / 0.6753 GB, free: 14.22 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002751/1.281, allocations: 114.1 kB / 0.6754 GB, free: 14.22 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005376/1.286, allocations: 2.85 MB / 0.6782 GB, free: 13.39 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.58e-05/1.286, allocations: 4 kB / 0.6782 GB, free: 13.39 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002426/1.286, allocations: 55.09 kB / 0.6783 GB, free: 13.39 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001966/1.287, allocations: 140.3 kB / 0.6784 GB, free: 13.36 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00596/1.293, allocations: 3.526 MB / 0.6818 GB, free: 12.71 MB / 0.4981 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 0.018/1.311, allocations: 8.678 MB / 0.6903 GB, free: 8.523 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003454/1.314, allocations: 1.569 MB / 0.6918 GB, free: 7.957 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001414/1.316, allocations: 0.8055 MB / 0.6926 GB, free: 7.453 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002154/1.318, allocations: 1.139 MB / 0.6937 GB, free: 6.172 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001067/1.318, allocations: 49.7 kB / 0.6938 GB, free: 6.121 MB / 0.4981 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.003197/1.321, allocations: 0.6273 MB / 0.6944 GB, free: 5.582 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=74): time 9.528e-06/1.321, allocations: 0 / 0.6944 GB, free: 5.582 MB / 0.4981 GB Notification: Performance of matching and sorting (n=74): time 0.01457/1.336, allocations: 4.288 MB / 0.6986 GB, free: 2.27 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.361e-05/1.336, allocations: 141.2 kB / 0.6987 GB, free: 2.102 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002573/1.338, allocations: 1.676 MB / 0.7004 GB, free: 0.8516 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 0.0002074/1.339, allocations: 50.08 kB / 0.7004 GB, free: 0.8125 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004844/1.339, allocations: 0.6519 MB / 0.701 GB, free: 460 kB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002569/1.339, allocations: 258.2 kB / 0.7013 GB, free: 236 kB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005206/1.34, allocations: 278.2 kB / 0.7016 GB, free: 24 kB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 0.0001469/1.34, allocations: 346.8 kB / 0.7019 GB, free: 15.7 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00135/1.341, allocations: 0.9065 MB / 0.7028 GB, free: 15.1 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001566/1.343, allocations: 1.1 MB / 0.7038 GB, free: 14.26 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002855/1.346, allocations: 1.949 MB / 0.7057 GB, free: 12.81 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.611e-06/1.346, allocations: 0 / 0.7057 GB, free: 12.81 MB / 0.5137 GB Notification: Performance of matching and sorting (n=124) (initialization): time 0.00454/1.35, allocations: 2.744 MB / 0.7084 GB, free: 10.08 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 2.5e-05/1.35, allocations: 8 kB / 0.7084 GB, free: 10.07 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.18e-05/1.35, allocations: 8.062 kB / 0.7084 GB, free: 10.06 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01953/1.37, allocations: 3.449 MB / 0.7118 GB, free: 6.617 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001291/1.371, allocations: 187.6 kB / 0.712 GB, free: 6.445 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003233/1.375, allocations: 2.262 MB / 0.7142 GB, free: 4.16 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002125/1.377, allocations: 79.81 kB / 0.7143 GB, free: 4.082 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001929/1.377, allocations: 83.92 kB / 0.7144 GB, free: 4 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002102/1.379, allocations: 1.228 MB / 0.7156 GB, free: 2.766 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001451/1.38, allocations: 1.075 MB / 0.7166 GB, free: 1.613 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002627/1.383, allocations: 1.904 MB / 0.7185 GB, free: 15.66 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.699e-06/1.383, allocations: 0 / 0.7185 GB, free: 15.66 MB / 0.5294 GB Notification: Performance of matching and sorting (n=124) (initialization_lambda0): time 0.00432/1.387, allocations: 2.369 MB / 0.7208 GB, free: 13.31 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 2.328e-05/1.388, allocations: 8 kB / 0.7208 GB, free: 13.3 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.454e-06/1.388, allocations: 4 kB / 0.7208 GB, free: 13.3 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007496/1.388, allocations: 164.8 kB / 0.7209 GB, free: 13.14 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00136/1.39, allocations: 271 kB / 0.7212 GB, free: 12.89 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002612/1.392, allocations: 2.172 MB / 0.7233 GB, free: 10.6 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001813/1.394, allocations: 75.91 kB / 0.7234 GB, free: 10.53 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001748/1.394, allocations: 83.92 kB / 0.7235 GB, free: 10.45 MB / 0.5294 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * 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 (88): * Single equations (assignments): 87 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(3,34)} Notification: Performance of prepare postOptimizeDAE: time 0.0005756/1.395, allocations: 245.5 kB / 0.7237 GB, free: 10.21 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003434/1.395, allocations: 154.2 kB / 0.7239 GB, free: 10.06 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004456/1.4, allocations: 2.385 MB / 0.7262 GB, free: 7.66 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.366e-06/1.4, allocations: 12 kB / 0.7262 GB, free: 7.648 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.697e-06/1.4, allocations: 3.938 kB / 0.7262 GB, free: 7.645 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.185e-06/1.4, allocations: 3.984 kB / 0.7262 GB, free: 7.641 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005013/1.405, allocations: 3.369 MB / 0.7295 GB, free: 4.23 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.57e-06/1.405, allocations: 4 kB / 0.7295 GB, free: 4.227 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005172/1.405, allocations: 81.84 kB / 0.7296 GB, free: 4.152 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01006/1.415, allocations: 2.262 MB / 0.7318 GB, free: 1.895 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.576e-05/1.415, allocations: 19.98 kB / 0.7318 GB, free: 1.875 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002504/1.418, allocations: 1.965 MB / 0.7337 GB, free: 15.89 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.372e-06/1.418, allocations: 12.03 kB / 0.7337 GB, free: 15.88 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00347/1.421, allocations: 1.973 MB / 0.7357 GB, free: 13.88 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006724/1.422, allocations: 239.4 kB / 0.7359 GB, free: 13.62 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002432/1.422, allocations: 20 kB / 0.7359 GB, free: 13.61 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001244/1.424, allocations: 87.7 kB / 0.736 GB, free: 13.52 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001917/1.424, allocations: 44.59 kB / 0.736 GB, free: 13.48 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001345/1.424, allocations: 59.95 kB / 0.7361 GB, free: 13.42 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.001671/1.426, allocations: 1.193 MB / 0.7373 GB, free: 12.23 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.31e-07/1.426, allocations: 0 / 0.7373 GB, free: 12.23 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.00584/1.432, allocations: 1.694 MB / 0.7389 GB, free: 10.53 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * 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 simulation (37): * Single equations (assignments): 36 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(3,37)} Notification: Performance of Backend phase and start with SimCode phase: time 0.006569/1.438, allocations: 1.76 MB / 0.7406 GB, free: 8.871 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.005656/1.444, allocations: 3.116 MB / 0.7437 GB, free: 5.789 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 1.069e-05/1.444, allocations: 4.719 kB / 0.7437 GB, free: 5.785 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.001249/1.445, allocations: 0.7578 MB / 0.7444 GB, free: 5.035 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004564/1.45, allocations: 0.9374 MB / 0.7453 GB, free: 4.102 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004265/1.454, allocations: 3.039 MB / 0.7483 GB, free: 1.051 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008688/1.455, allocations: 1.298 MB / 0.7496 GB, free: 15.73 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.00231/1.457, allocations: 0.5823 MB / 0.7501 GB, free: 15.14 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003709/1.458, allocations: 119.4 kB / 0.7503 GB, free: 15.02 MB / 0.5606 GB Notification: Performance of SimCode: time 1.182e-06/1.458, allocations: 0 / 0.7503 GB, free: 15.02 MB / 0.5606 GB Notification: Performance of Templates: time 0.09682/1.554, allocations: 65.82 MB / 0.8145 GB, free: 13.34 MB / 0.6231 GB make -j1 -f ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1.makefile (rm -f ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1.pipe ; mkfifo ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1.pipe ; head -c 1048576 < ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1.pipe >> ../files/ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1.sim & ./ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1 -abortSlowSimulation -alarm=480 -lv LOG_STATS > ModelicaTest_3.2.1_ModelicaTest.Fluid.TestComponents.Pipes.IdealMixing1.pipe 2>&1)