Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction.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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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(BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction") translateModel(BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001081/0.001081, allocations: 106.8 kB / 16.41 MB, free: 6.508 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001104/0.001104, allocations: 187 kB / 17.34 MB, free: 5.742 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.288/1.288, allocations: 222.9 MB / 241 MB, free: 15.2 MB / 206.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 0.84/0.84, allocations: 143.1 MB / 434.3 MB, free: 11.98 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001212/0.001212, allocations: 68.44 kB / 0.5962 GB, free: 12.25 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1536/0.1548, allocations: 82.02 MB / 0.6763 GB, free: 10.31 MB / 0.5137 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction): time 0.5165/0.6714, allocations: 186.9 MB / 0.8588 GB, free: 2.695 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.007121/0.6786, allocations: 4.57 MB / 0.8633 GB, free: 14.26 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009743/0.6796, allocations: 31.81 kB / 0.8633 GB, free: 14.23 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.001075/0.6807, allocations: 421.4 kB / 0.8637 GB, free: 13.82 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.003308/0.684, allocations: 1.404 MB / 0.8651 GB, free: 12.41 MB / 0.6387 GB Notification: Performance of NFTyping.typeClassSections: time 0.001894/0.6859, allocations: 0.7544 MB / 0.8658 GB, free: 11.66 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.002158/0.6881, allocations: 1.96 MB / 0.8677 GB, free: 9.691 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008198/0.6889, allocations: 0.6554 MB / 0.8684 GB, free: 9.027 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002619/0.6916, allocations: 1.116 MB / 0.8695 GB, free: 7.922 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000782/0.6923, allocations: 0.5901 MB / 0.87 GB, free: 7.336 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 8.752e-05/0.6924, allocations: 64 kB / 0.8701 GB, free: 7.273 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002352/0.6948, allocations: 1.388 MB / 0.8715 GB, free: 5.883 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.0002764/0.6951, allocations: 287.2 kB / 0.8717 GB, free: 5.602 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.00041/0.6955, allocations: 426.1 kB / 0.8721 GB, free: 5.184 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.002142/0.6977, allocations: 1.523 MB / 0.8736 GB, free: 3.656 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 4.268e-06/0.6977, allocations: 0 / 0.8736 GB, free: 3.656 MB / 0.6387 GB Notification: Performance of FrontEnd: time 1.493e-06/0.6977, allocations: 0 / 0.8736 GB, free: 3.656 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 1.586e-05/0.6977, allocations: 4 kB / 0.8736 GB, free: 3.652 MB / 0.6387 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 129 * Number of variables: 129 Notification: Performance of Generate backend data structure: time 0.001551/0.6993, allocations: 1.098 MB / 0.8747 GB, free: 2.504 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 3.704e-05/0.6993, allocations: 8.031 kB / 0.8747 GB, free: 2.496 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001259/0.7006, allocations: 202.8 kB / 0.8749 GB, free: 2.297 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001034/0.7016, allocations: 0.6144 MB / 0.8755 GB, free: 1.637 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.279e-05/0.7017, allocations: 41.25 kB / 0.8755 GB, free: 1.598 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.461e-05/0.7018, allocations: 56 kB / 0.8756 GB, free: 1.543 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009507/0.7027, allocations: 0.6206 MB / 0.8762 GB, free: 0.9062 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.072e-05/0.7027, allocations: 0 / 0.8762 GB, free: 0.9062 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.133e-05/0.7028, allocations: 27.94 kB / 0.8762 GB, free: 0.8789 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.01e-05/0.7028, allocations: 25.3 kB / 0.8763 GB, free: 0.8555 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007489/0.7036, allocations: 496.9 kB / 0.8767 GB, free: 380 kB / 0.6387 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 0.002699/0.7063, allocations: 2.408 MB / 0.8791 GB, free: 13.75 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005682/0.7069, allocations: 348.8 kB / 0.8794 GB, free: 13.41 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002972/0.7072, allocations: 213.4 kB / 0.8796 GB, free: 13.2 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005437/0.7077, allocations: 315.2 kB / 0.8799 GB, free: 12.83 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.727e-05/0.7078, allocations: 35.25 kB / 0.88 GB, free: 12.79 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=36): time 1.723e-06/0.7078, allocations: 0 / 0.88 GB, free: 12.79 MB / 0.6544 GB Notification: Performance of matching and sorting (n=36): time 0.001076/0.7089, allocations: 0.5538 MB / 0.8805 GB, free: 12.23 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.003e-05/0.7089, allocations: 55.41 kB / 0.8805 GB, free: 12.16 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000526/0.7095, allocations: 0.4989 MB / 0.881 GB, free: 11.65 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 4.123e-05/0.7095, allocations: 37.69 kB / 0.8811 GB, free: 11.61 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002016/0.7097, allocations: 311.9 kB / 0.8814 GB, free: 11.3 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001025/0.7098, allocations: 126.1 kB / 0.8815 GB, free: 11.18 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001216/0.7099, allocations: 86.03 kB / 0.8816 GB, free: 11.09 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 0.0001307/0.7101, allocations: 374.7 kB / 0.8819 GB, free: 10.71 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002336/0.7103, allocations: 154.5 kB / 0.8821 GB, free: 10.56 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003177/0.7107, allocations: 259 kB / 0.8823 GB, free: 10.27 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005425/0.7112, allocations: 414.2 kB / 0.8827 GB, free: 9.832 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.566e-06/0.7112, allocations: 0.875 kB / 0.8827 GB, free: 9.832 MB / 0.6544 GB Notification: Performance of matching and sorting (n=49) (initialization): time 0.0006843/0.7119, allocations: 477.2 kB / 0.8832 GB, free: 9.359 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 1.444e-05/0.7119, allocations: 8 kB / 0.8832 GB, free: 9.352 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.663e-06/0.7119, allocations: 8.219 kB / 0.8832 GB, free: 9.344 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.642e-05/0.712, allocations: 8 kB / 0.8832 GB, free: 9.336 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005663/0.7125, allocations: 107.8 kB / 0.8833 GB, free: 9.23 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003367/0.7129, allocations: 0.5899 MB / 0.8839 GB, free: 8.617 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004769/0.7134, allocations: 47.52 kB / 0.8839 GB, free: 8.57 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.885e-05/0.7134, allocations: 18.39 kB / 0.8839 GB, free: 8.555 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004313/0.7139, allocations: 333 kB / 0.8843 GB, free: 8.227 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003085/0.7142, allocations: 255.4 kB / 0.8845 GB, free: 7.941 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005249/0.7147, allocations: 408.6 kB / 0.8849 GB, free: 7.512 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.884e-06/0.7147, allocations: 0 / 0.8849 GB, free: 7.512 MB / 0.6544 GB Notification: Performance of matching and sorting (n=49) (initialization_lambda0): time 0.0006862/0.7154, allocations: 480.5 kB / 0.8853 GB, free: 7.035 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 1.104e-05/0.7154, allocations: 11.98 kB / 0.8854 GB, free: 7.023 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.745e-06/0.7154, allocations: 0 / 0.8854 GB, free: 7.023 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.114e-06/0.7155, allocations: 7.938 kB / 0.8854 GB, free: 7.016 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003534/0.7158, allocations: 88.12 kB / 0.8854 GB, free: 6.93 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.372e-06/0.7158, allocations: 12.81 kB / 0.8855 GB, free: 6.918 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004487/0.7163, allocations: 31.73 kB / 0.8855 GB, free: 6.887 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.282e-05/0.7163, allocations: 20 kB / 0.8855 GB, free: 6.867 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * 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 (49): * Single equations (assignments): 48 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000147/0.7165, allocations: 209 kB / 0.8857 GB, free: 6.656 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.686e-05/0.7166, allocations: 63.27 kB / 0.8858 GB, free: 6.594 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000701/0.7173, allocations: 443.7 kB / 0.8862 GB, free: 6.148 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.602e-06/0.7173, allocations: 8 kB / 0.8862 GB, free: 6.141 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.678e-06/0.7173, allocations: 3.938 kB / 0.8862 GB, free: 6.137 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0005861/0.7179, allocations: 0.6597 MB / 0.8868 GB, free: 5.391 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001587/0.7195, allocations: 1.203 MB / 0.888 GB, free: 4.109 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.039e-06/0.7195, allocations: 4 kB / 0.888 GB, free: 4.105 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004694/0.72, allocations: 91.83 kB / 0.8881 GB, free: 4.016 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.943e-06/0.72, allocations: 4 kB / 0.8881 GB, free: 4.012 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.986e-05/0.7201, allocations: 11.98 kB / 0.8881 GB, free: 4 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0002867/0.7204, allocations: 0.5978 MB / 0.8887 GB, free: 3.379 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.805e-06/0.7204, allocations: 5.156 kB / 0.8887 GB, free: 3.375 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008419/0.7212, allocations: 0.7083 MB / 0.8894 GB, free: 2.629 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001993/0.7214, allocations: 176.4 kB / 0.8896 GB, free: 2.438 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.254e-05/0.7215, allocations: 19.94 kB / 0.8896 GB, free: 2.418 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003802/0.7219, allocations: 10.25 kB / 0.8896 GB, free: 2.41 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.982e-05/0.722, allocations: 23.97 kB / 0.8896 GB, free: 2.387 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.668e-05/0.722, allocations: 15.98 kB / 0.8896 GB, free: 2.371 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.0003843/0.7224, allocations: 362.8 kB / 0.89 GB, free: 2.02 MB / 0.6544 GB Notification: Performance of sort global known variables: time 1.31e-07/0.7224, allocations: 0 / 0.89 GB, free: 2.02 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.0008999/0.7233, allocations: 343.2 kB / 0.8903 GB, free: 1.684 MB / 0.6544 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 4 (vol.dynBal.medium.Xi[1],vol.dynBal.U,vol.dynBal.m,senMasFra1.X) * 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 (35): * Single equations (assignments): 34 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0004376/0.7237, allocations: 194.3 kB / 0.8905 GB, free: 1.496 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.001148/0.7249, allocations: 0.5979 MB / 0.8911 GB, free: 0.8984 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 3.396e-06/0.7249, allocations: 4.062 kB / 0.8911 GB, free: 0.8945 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.0003016/0.7252, allocations: 187.7 kB / 0.8913 GB, free: 0.7109 MB / 0.6544 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001607/0.7268, allocations: 360.5 kB / 0.8916 GB, free: 368 kB / 0.6544 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00208/0.7289, allocations: 1.393 MB / 0.893 GB, free: 14.91 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004901/0.7294, allocations: 0.9375 MB / 0.8939 GB, free: 13.94 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001531/0.7296, allocations: 55.42 kB / 0.8939 GB, free: 13.89 MB / 0.67 GB Notification: Performance of SimCode: time 5.52e-07/0.7296, allocations: 0 / 0.8939 GB, free: 13.89 MB / 0.67 GB Notification: Performance of Templates: time 0.01598/0.7456, allocations: 12.7 MB / 0.9063 GB, free: 1.266 MB / 0.67 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Sensors.Examples.MassFraction.pipe 2>&1)