Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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: "" <> buildModelFMU(IDEAS.Fluid.Interfaces.Examples.ReverseFlowMassExchanger,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Interfaces_Examples_ReverseFlowMassExchanger",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Interfaces.Examples.ReverseFlowMassExchanger,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Interfaces_Examples_ReverseFlowMassExchanger",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 0.001095/0.001095, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00121/0.00121, allocations: 196.1 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.435/1.435, allocations: 222.9 MB / 240.2 MB, free: 4.406 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9737/0.9737, allocations: 135.1 MB / 425.5 MB, free: 11.99 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001504/0.001504, allocations: 65.03 kB / 0.5055 GB, free: 5.254 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1669/0.1684, allocations: 80.92 MB / 0.5845 GB, free: 4.488 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Interfaces.Examples.ReverseFlowMassExchanger): time 1.009/1.178, allocations: 328.4 MB / 0.9051 GB, free: 1.371 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.03487/1.213, allocations: 30.04 MB / 0.9345 GB, free: 1.16 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003615/1.216, allocations: 99.69 kB / 0.9346 GB, free: 1.16 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.004676/1.221, allocations: 2.093 MB / 0.9366 GB, free: 1.125 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.01198/1.233, allocations: 4.945 MB / 0.9415 GB, free: 0.8828 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.01034/1.243, allocations: 3.635 MB / 0.945 GB, free: 0.75 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.01017/1.254, allocations: 6.917 MB / 0.9518 GB, free: 0.7266 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004316/1.258, allocations: 2.869 MB / 0.9546 GB, free: 16.33 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01267/1.271, allocations: 5.262 MB / 0.9597 GB, free: 16.12 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004642/1.275, allocations: 2.41 MB / 0.9621 GB, free: 15.7 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.0009363/1.276, allocations: 297.7 kB / 0.9623 GB, free: 15.7 MB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009821/1.286, allocations: 4.818 MB / 0.967 GB, free: 14.87 MB / 0.6856 GB Notification: Performance of NFScalarize.scalarize: time 0.001521/1.288, allocations: 1.065 MB / 0.9681 GB, free: 14.48 MB / 0.6856 GB Notification: Performance of NFVerifyModel.verify: time 0.002641/1.29, allocations: 1.739 MB / 0.9698 GB, free: 13.92 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.01053/1.301, allocations: 5.711 MB / 0.9754 GB, free: 11.61 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 6.091e-06/1.301, allocations: 0 / 0.9754 GB, free: 11.61 MB / 0.6856 GB Notification: Performance of FrontEnd: time 2.164e-06/1.301, allocations: 0 / 0.9754 GB, free: 11.61 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 9.029e-05/1.301, allocations: 0 / 0.9754 GB, free: 11.61 MB / 0.6856 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 536 * Number of variables: 536 Notification: Performance of Generate backend data structure: time 0.007732/1.309, allocations: 3.7 MB / 0.979 GB, free: 9.113 MB / 0.6856 GB Notification: Performance of prepare preOptimizeDAE: time 3.986e-05/1.309, allocations: 15 kB / 0.979 GB, free: 9.109 MB / 0.6856 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0003737/1.309, allocations: 301.3 kB / 0.9793 GB, free: 8.879 MB / 0.6856 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01053/1.32, allocations: 1.468 MB / 0.9807 GB, free: 8.191 MB / 0.6856 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004163/1.324, allocations: 1.974 MB / 0.9826 GB, free: 6.238 MB / 0.6856 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001344/1.325, allocations: 395.8 kB / 0.983 GB, free: 5.848 MB / 0.6856 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004665/1.326, allocations: 230.1 kB / 0.9832 GB, free: 5.625 MB / 0.6856 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00603/1.332, allocations: 3.07 MB / 0.9862 GB, free: 2.438 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.803e-05/1.332, allocations: 0 / 0.9862 GB, free: 2.438 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002653/1.332, allocations: 94.81 kB / 0.9863 GB, free: 2.348 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.299e-05/1.332, allocations: 84 kB / 0.9864 GB, free: 2.262 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007326/1.34, allocations: 3.146 MB / 0.9895 GB, free: 15.12 MB / 0.7012 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 0.02386/1.363, allocations: 14.16 MB / 1.003 GB, free: 96 kB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004506/1.368, allocations: 1.646 MB / 1.005 GB, free: 14.45 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001789/1.37, allocations: 0.7728 MB / 1.006 GB, free: 13.68 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006438/1.37, allocations: 325.7 kB / 1.006 GB, free: 13.31 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.1e-05/1.37, allocations: 51.56 kB / 1.006 GB, free: 13.25 MB / 0.7169 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001651/1.372, allocations: 204 kB / 1.006 GB, free: 13.05 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=110): time 9.257e-06/1.372, allocations: 0 / 1.006 GB, free: 13.05 MB / 0.7169 GB Notification: Performance of matching and sorting (n=110): time 0.007025/1.379, allocations: 2.362 MB / 1.009 GB, free: 10.7 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.302e-05/1.379, allocations: 64.41 kB / 1.009 GB, free: 10.62 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005469/1.385, allocations: 2.537 MB / 1.011 GB, free: 8.062 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0003717/1.385, allocations: 57.7 kB / 1.011 GB, free: 8 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001163/1.386, allocations: 1.269 MB / 1.012 GB, free: 6.723 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005036/1.387, allocations: 387.6 kB / 1.013 GB, free: 6.348 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009487/1.388, allocations: 399 kB / 1.013 GB, free: 5.953 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 0.0001139/1.388, allocations: 301.1 kB / 1.013 GB, free: 5.656 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002824/1.391, allocations: 0.9728 MB / 1.014 GB, free: 4.68 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00334/1.394, allocations: 1.613 MB / 1.016 GB, free: 2.809 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005047/1.399, allocations: 2.276 MB / 1.018 GB, free: 392 kB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.416e-05/1.399, allocations: 4 kB / 1.018 GB, free: 388 kB / 0.7169 GB Notification: Performance of matching and sorting (n=216) (initialization): time 0.007478/1.407, allocations: 2.827 MB / 1.021 GB, free: 13.61 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 9.637e-05/1.407, allocations: 79.33 kB / 1.021 GB, free: 13.52 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.889e-05/1.407, allocations: 12 kB / 1.021 GB, free: 13.51 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.514e-05/1.407, allocations: 24 kB / 1.021 GB, free: 13.49 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003224/1.41, allocations: 0.5635 MB / 1.022 GB, free: 12.95 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002/1.412, allocations: 2.391 MB / 1.024 GB, free: 10.48 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00415/1.416, allocations: 315.7 kB / 1.024 GB, free: 10.17 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003122/1.417, allocations: 99.88 kB / 1.024 GB, free: 10.07 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004076/1.421, allocations: 1.413 MB / 1.026 GB, free: 8.652 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003316/1.424, allocations: 1.604 MB / 1.027 GB, free: 6.785 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.005095/1.429, allocations: 2.257 MB / 1.029 GB, free: 4.375 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.559e-05/1.429, allocations: 4 kB / 1.029 GB, free: 4.371 MB / 0.7325 GB Notification: Performance of matching and sorting (n=216) (initialization_lambda0): time 0.007365/1.437, allocations: 2.827 MB / 1.032 GB, free: 1.598 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 6.627e-05/1.437, allocations: 70.5 kB / 1.032 GB, free: 1.52 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.021e-05/1.437, allocations: 12 kB / 1.032 GB, free: 1.508 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.667e-05/1.437, allocations: 24 kB / 1.032 GB, free: 1.484 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002646/1.439, allocations: 0.5215 MB / 1.033 GB, free: 0.9883 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.739e-05/1.439, allocations: 29.81 kB / 1.033 GB, free: 0.9648 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003683/1.443, allocations: 328.2 kB / 1.033 GB, free: 0.6445 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002115/1.443, allocations: 95.95 kB / 1.033 GB, free: 0.5508 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 61 * Number of states: 0 () * Number of discrete variables: 4 (masExcRev.i2_w,masExcRev.i1_w,masExcFor.i2_w,masExcFor.i1_w) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (214): * Single equations (assignments): 208 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0005499/1.444, allocations: 294 kB / 1.034 GB, free: 288 kB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006869/1.445, allocations: 260.8 kB / 1.034 GB, free: 24 kB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004738/1.449, allocations: 1.847 MB / 1.036 GB, free: 14.16 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.245e-05/1.449, allocations: 12 kB / 1.036 GB, free: 14.15 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.151e-06/1.449, allocations: 0 / 1.036 GB, free: 14.15 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.201e-05/1.449, allocations: 7.969 kB / 1.036 GB, free: 14.14 MB / 0.7481 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.008905/1.458, allocations: 4.48 MB / 1.04 GB, free: 9.586 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.257e-06/1.458, allocations: 4 kB / 1.04 GB, free: 9.582 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001747/1.46, allocations: 314.2 kB / 1.04 GB, free: 9.289 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.505e-05/1.46, allocations: 12 kB / 1.04 GB, free: 9.277 MB / 0.7481 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.198e-05/1.46, allocations: 35.92 kB / 1.04 GB, free: 9.242 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001101/1.461, allocations: 2.369 MB / 1.043 GB, free: 6.789 MB / 0.7481 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.295e-05/1.461, allocations: 10.91 kB / 1.043 GB, free: 6.781 MB / 0.7481 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004301/1.466, allocations: 1.977 MB / 1.045 GB, free: 4.719 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00117/1.467, allocations: 0.5288 MB / 1.045 GB, free: 4.168 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004892/1.467, allocations: 31.94 kB / 1.045 GB, free: 4.137 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002426/1.47, allocations: 182.6 kB / 1.045 GB, free: 3.961 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001431/1.47, allocations: 87.03 kB / 1.045 GB, free: 3.883 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001611/1.47, allocations: 67.89 kB / 1.045 GB, free: 3.816 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.003223/1.473, allocations: 1.747 MB / 1.047 GB, free: 2.066 MB / 0.7481 GB Notification: Performance of sort global known variables: time 2.71e-07/1.473, allocations: 0 / 1.047 GB, free: 2.066 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.003515/1.477, allocations: 1.287 MB / 1.048 GB, free: 0.7773 MB / 0.7481 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 25 * 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 (110): * Single equations (assignments): 106 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.00505/1.482, allocations: 2.782 MB / 1.051 GB, free: 13.95 MB / 0.7637 GB Notification: Performance of simCode: created initialization part: time 0.009919/1.492, allocations: 3.799 MB / 1.055 GB, free: 10.22 MB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 8.416e-06/1.492, allocations: 0 / 1.055 GB, free: 10.22 MB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.001999/1.494, allocations: 0.8085 MB / 1.056 GB, free: 9.445 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006696/1.501, allocations: 1.207 MB / 1.057 GB, free: 8.273 MB / 0.7637 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.039/1.54, allocations: 21.61 MB / 1.078 GB, free: 0.8203 MB / 0.7794 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001461/1.541, allocations: 1.693 MB / 1.08 GB, free: 15.09 MB / 0.795 GB Notification: Performance of simCode: alias equations: time 0.003802/1.545, allocations: 0.7854 MB / 1.08 GB, free: 14.3 MB / 0.795 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001656/1.547, allocations: 1.015 MB / 1.081 GB, free: 13.28 MB / 0.795 GB Notification: Performance of SimCode: time 7.91e-07/1.547, allocations: 0 / 1.081 GB, free: 13.28 MB / 0.795 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1123/1.659, allocations: 66.46 MB / 1.146 GB, free: 11.62 MB / 0.8575 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.92/14.58, allocations: 5.812 kB / 1.146 GB, free: 11.62 MB / 0.8575 GB (rm -f IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.sim & python3 -m fmpy simulate --output-file IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.ReverseFlowMassExchanger_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IDEAS_dev_IDEAS_Fluid_Interfaces_Examples_ReverseFlowMassExchanger.fmu > IDEAS_dev_IDEAS.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe 2>&1)