Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/package.mo", uses=false) Using package ThermoSysPro with version 4.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/package.mo) Running command: translateModel(ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4") translateModel(ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/package.mo): time 0.8084/0.8084, allocations: 150.9 MB / 166 MB, free: 14.62 MB / 142.1 MB Notification: Performance of FrontEnd - loaded program: time 0.000298/0.000298, allocations: 11.98 kB / 204 MB, free: 10.12 MB / 174.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1491/0.1494, allocations: 31.32 MB / 235.4 MB, free: 5.465 MB / 190.1 MB Notification: Automatically loaded package Complex 4.0.0 due to uses annotation from Modelica. Notification: Automatically loaded package ModelicaServices 4.0.0 due to uses annotation from Modelica. Notification: Automatically loaded package Modelica 4.0.0 due to usage. Notification: Performance of NFInst.instantiate(ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4): time 1.603/1.753, allocations: 294.4 MB / 0.5173 GB, free: 12.17 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.4905/2.243, allocations: 188.8 MB / 0.7017 GB, free: 3.734 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004053/2.244, allocations: 16.41 kB / 0.7017 GB, free: 3.734 MB / 0.5762 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/Junctions/DeheaterMixer2.mo:43:3-44:74:writable] Warning: Connector Ce_mix is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/Junctions/DeheaterMixer2.mo:45:3-46:64:writable] Warning: Connector Cs is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/Junctions/DeheaterMixer2.mo:48:3-49:66:writable] Warning: Connector Ce is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/PressureLosses/SingularPressureLoss.mo:27:3-28:67:writable] Warning: Connector C1 is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/PressureLosses/SingularPressureLoss.mo:29:3-30:65:writable] Warning: Connector C2 is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/PressureLosses/SingularPressureLoss.mo:27:3-28:67:writable] Warning: Connector C1 is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/PressureLosses/SingularPressureLoss.mo:29:3-30:65:writable] Warning: Connector C2 is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/PressureLosses/SingularPressureLoss.mo:27:3-28:67:writable] Warning: Connector C1 is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/PressureLosses/SingularPressureLoss.mo:29:3-30:65:writable] Warning: Connector C2 is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/BoundaryConditions/SinkQ.mo:46:3-47:67:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/BoundaryConditions/SourceP.mo:58:3-59:65:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro 4.0.0-master/Fluid/BoundaryConditions/Source.mo:53:3-54:52:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). Notification: Performance of NFTyping.typeComponents: time 0.0002865/2.244, allocations: 71.66 kB / 0.7018 GB, free: 3.734 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.000534/2.245, allocations: 251.6 kB / 0.702 GB, free: 3.734 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.02448/2.269, allocations: 8.886 MB / 0.7107 GB, free: 3.656 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.001126/2.27, allocations: 0.9494 MB / 0.7116 GB, free: 3.656 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005656/2.271, allocations: 0.5367 MB / 0.7122 GB, free: 3.562 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003716/2.271, allocations: 379.6 kB / 0.7125 GB, free: 3.562 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003241/2.272, allocations: 449.8 kB / 0.713 GB, free: 3.562 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 8.553e-05/2.272, allocations: 75.66 kB / 0.713 GB, free: 3.562 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.03266/2.304, allocations: 20.19 MB / 0.7327 GB, free: 3.457 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0002751/2.305, allocations: 186.2 kB / 0.7329 GB, free: 3.457 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.0007308/2.305, allocations: 468 kB / 0.7334 GB, free: 3.457 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.02489/2.33, allocations: 10.55 MB / 0.7437 GB, free: 0 / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 3.727e-06/2.33, allocations: 0 / 0.7437 GB, free: 0 / 0.5762 GB Notification: Performance of FrontEnd: time 8.21e-07/2.33, allocations: 0 / 0.7437 GB, free: 0 / 0.5762 GB Notification: Performance of Transformations before backend: time 1.115e-05/2.33, allocations: 0 / 0.7437 GB, free: 0 / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 240 * Number of variables: 240 Notification: Performance of Generate backend data structure: time 0.005489/2.336, allocations: 2.269 MB / 0.7459 GB, free: 14.62 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 5.883e-05/2.336, allocations: 7.344 kB / 0.7459 GB, free: 14.62 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000183/2.336, allocations: 109.9 kB / 0.746 GB, free: 14.57 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005936/2.337, allocations: 493.4 kB / 0.7465 GB, free: 14.23 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001103/2.337, allocations: 103.1 kB / 0.7466 GB, free: 14.2 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.059e-05/2.337, allocations: 93.62 kB / 0.7467 GB, free: 14.2 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001327/2.338, allocations: 0.9748 MB / 0.7476 GB, free: 13.82 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.961e-05/2.338, allocations: 0 / 0.7476 GB, free: 13.82 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.528e-05/2.338, allocations: 41.84 kB / 0.7476 GB, free: 13.82 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.802e-05/2.338, allocations: 26.72 kB / 0.7477 GB, free: 13.82 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001002/2.339, allocations: 0.6389 MB / 0.7483 GB, free: 13.74 MB / 0.5919 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 0.01079/2.35, allocations: 10.42 MB / 0.7585 GB, free: 4.629 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003548/2.351, allocations: 241.5 kB / 0.7587 GB, free: 4.582 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001643/2.351, allocations: 108.3 kB / 0.7588 GB, free: 4.559 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.4238/2.775, allocations: 218.8 MB / 0.9725 GB, free: 12.72 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.787e-05/2.775, allocations: 34.5 kB / 0.9725 GB, free: 12.68 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=25): time 2.154e-06/2.775, allocations: 1.203 kB / 0.9725 GB, free: 12.68 MB / 0.8262 GB Notification: Performance of matching and sorting (n=25): time 0.002674/2.777, allocations: 0.923 MB / 0.9734 GB, free: 11.81 MB / 0.8262 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.492e-05/2.777, allocations: 51.41 kB / 0.9735 GB, free: 11.75 MB / 0.8262 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007586/2.778, allocations: 0.5332 MB / 0.974 GB, free: 11.32 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 2.709e-05/2.778, allocations: 29.14 kB / 0.974 GB, free: 11.29 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002959/2.778, allocations: 480.4 kB / 0.9745 GB, free: 10.9 MB / 0.8262 GB Notification: Performance of collectInitialBindings (initialization): time 8.117e-05/2.779, allocations: 97.69 kB / 0.9746 GB, free: 10.82 MB / 0.8262 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001856/2.779, allocations: 150.8 kB / 0.9747 GB, free: 10.72 MB / 0.8262 GB Notification: Performance of setup shared object (initialization): time 0.000142/2.779, allocations: 360.3 kB / 0.9751 GB, free: 10.38 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002806/2.779, allocations: 127.4 kB / 0.9752 GB, free: 10.3 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004405/2.78, allocations: 460.4 kB / 0.9756 GB, free: 9.758 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007299/2.78, allocations: 0.6253 MB / 0.9762 GB, free: 9.141 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.236e-06/2.78, allocations: 0 / 0.9762 GB, free: 9.141 MB / 0.8262 GB Notification: Performance of matching and sorting (n=80) (initialization): time 0.00163/2.782, allocations: 0.7879 MB / 0.977 GB, free: 8.566 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 2.479e-05/2.782, allocations: 8 kB / 0.977 GB, free: 8.559 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.562e-05/2.782, allocations: 13.09 kB / 0.977 GB, free: 8.547 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001669/2.784, allocations: 341.7 kB / 0.9774 GB, free: 8.238 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002779/2.784, allocations: 102.9 kB / 0.9775 GB, free: 8.152 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001326/2.785, allocations: 1.822 MB / 0.9792 GB, free: 6.336 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005409/2.786, allocations: 103.2 kB / 0.9793 GB, free: 6.234 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.697e-05/2.786, allocations: 36 kB / 0.9794 GB, free: 6.199 MB / 0.8262 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 51 * Number of states: 0 () * Number of discrete variables: 20 (source.fluid1,sourceP.fluid1,source.C.ftype,sourceP.C.ftype,deheaterMixer2_1.Cs.ftype,deheaterMixer2_1.fluids[1],singularPressureLoss.fluid,singularPressureLoss1.fluid,singularPressureLoss2.fluid,sinkP.fluid,deheaterMixer2_1.fluid1,singularPressureLoss2.C2.diff_on_1,singularPressureLoss.C2.diff_on_1,deheaterMixer2_1.Cs.diff_on_2,deheaterMixer2_1.Ce_mix.diff_on_2,source.C.diff_on_2,deheaterMixer2_1.Cs.diff_on_1,singularPressureLoss1.C2.diff_on_1,deheaterMixer2_1.Ce.diff_on_2,sourceP.C.diff_on_2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (63): * Single equations (assignments): 60 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * 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): 3 systems {(1,3), (1,3), (3,9)} Notification: Performance of prepare postOptimizeDAE: time 0.0003257/2.786, allocations: 232.5 kB / 0.9796 GB, free: 5.977 MB / 0.8262 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001052/2.786, allocations: 55.34 kB / 0.9796 GB, free: 5.922 MB / 0.8262 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00107/2.788, allocations: 490.9 kB / 0.9801 GB, free: 5.438 MB / 0.8262 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.554e-06/2.788, allocations: 5.203 kB / 0.9801 GB, free: 5.434 MB / 0.8262 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.921e-06/2.788, allocations: 3.938 kB / 0.9801 GB, free: 5.43 MB / 0.8262 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.977e-06/2.788, allocations: 4 kB / 0.9801 GB, free: 5.426 MB / 0.8262 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0007627/2.788, allocations: 0.5702 MB / 0.9807 GB, free: 4.809 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.685e-06/2.788, allocations: 0 / 0.9807 GB, free: 4.809 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.22e-05/2.788, allocations: 10.91 kB / 0.9807 GB, free: 4.801 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001211/2.79, allocations: 292.4 kB / 0.981 GB, free: 4.512 MB / 0.8262 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.193e-05/2.79, allocations: 13.19 kB / 0.981 GB, free: 4.5 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001168/2.791, allocations: 1.797 MB / 0.9827 GB, free: 2.633 MB / 0.8262 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.405e-06/2.791, allocations: 0 / 0.9827 GB, free: 2.633 MB / 0.8262 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008947/2.792, allocations: 0.5032 MB / 0.9832 GB, free: 2.109 MB / 0.8262 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001986/2.792, allocations: 156.3 kB / 0.9834 GB, free: 1.938 MB / 0.8262 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.993e-05/2.792, allocations: 8 kB / 0.9834 GB, free: 1.93 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001876/2.792, allocations: 7.984 kB / 0.9834 GB, free: 1.922 MB / 0.8262 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.856e-05/2.792, allocations: 23.92 kB / 0.9834 GB, free: 1.898 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.798e-05/2.792, allocations: 11.98 kB / 0.9834 GB, free: 1.887 MB / 0.8262 GB Notification: Performance of sorting global known variables: time 0.0003906/2.793, allocations: 342.8 kB / 0.9837 GB, free: 1.555 MB / 0.8262 GB Notification: Performance of sort global known variables: time 2.224e-06/2.793, allocations: 4 kB / 0.9838 GB, free: 1.551 MB / 0.8262 GB Notification: Performance of remove unused functions: time 0.1736/2.966, allocations: 1.573 MB / 0.9853 GB, free: 475.1 MB / 0.8262 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (9): * Single equations (assignments): 6 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * 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): 3 systems {(1,3), (1,3), (3,10)} Notification: Performance of Backend phase and start with SimCode phase: time 0.008327/2.975, allocations: 2.278 MB / 0.9875 GB, free: 475 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.001207/2.976, allocations: 416.4 kB / 0.9879 GB, free: 475 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 4.579e-06/2.976, allocations: 0 / 0.9879 GB, free: 475 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.0004147/2.976, allocations: 158.6 kB / 0.9881 GB, free: 475 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008256/2.977, allocations: 147.3 kB / 0.9882 GB, free: 475 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001939/2.979, allocations: 1.37 MB / 0.9895 GB, free: 474.1 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005383/2.98, allocations: 0.9134 MB / 0.9904 GB, free: 473.4 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.0004083/2.98, allocations: 94.08 kB / 0.9905 GB, free: 473.4 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.189e-05/2.98, allocations: 42.94 kB / 0.9906 GB, free: 473.4 MB / 0.8262 GB Notification: Performance of SimCode: time 2.51e-07/2.98, allocations: 0 / 0.9906 GB, free: 473.4 MB / 0.8262 GB Notification: Performance of Templates: time 0.05465/3.035, allocations: 49.94 MB / 1.039 GB, free: 448.9 MB / 0.8262 GB make -j1 -f ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4.makefile (rm -f ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4.pipe ; mkfifo ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4.pipe ; head -c 1048576 < ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4.pipe >> ../files/ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4.sim & ./ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4 -abortSlowSimulation -alarm=480 -lv LOG_STATS > ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestJunctions4.pipe 2>&1)