Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_latest_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.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/Modelica_DeviceDrivers 2.1.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/package.mo", uses=false) Using package AixLib with version 1.4.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/package.mo) Using package SDF with version 0.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo) Using package Modelica_DeviceDrivers with version 2.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1-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: translateModel(AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_latest_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow") translateModel(AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_latest_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001279/0.001279, allocations: 116.2 kB / 16.42 MB, free: 5.992 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001255/0.001255, allocations: 184.8 kB / 17.35 MB, free: 5.602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.291/1.291, allocations: 222.9 MB / 241 MB, free: 15.18 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1-master/package.mo): time 0.05751/0.05751, allocations: 12.05 MB / 303.3 MB, free: 3.109 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0005436/0.0005436, allocations: 31.94 kB / 356.3 MB, free: 13.99 MB / 302.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6228:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6853:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:8435:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:9369:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:11505:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:12875:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/ThermalZones/HighOrder/Components/Examples/DryAir/DryAir_test.mo:71:18-71:405:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:2066:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:4252:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_RoofN_Roof_S.mo:5:35-5:362:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_Hor.mo:5:35-5:320:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_NE_SE_SW_NW_Hor.mo:5:35-5:324:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:588:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:3852:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/DataBase/CHP/CHPDataSimple/CHP_Cleanergy_C9G.mo:36:34-36:594:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/BoundaryConditions/InternalGains/Examples/InternalGains/Machines.mo:31:20-31:400:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/BoundaryConditions/InternalGains/Examples/InternalGains/Lights.mo:27:20-27:398:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.4.0-development/package.mo): time 1.856/1.856, allocations: 272.3 MB / 0.6657 GB, free: 18.31 MB / 478.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002075/0.002075, allocations: 111.8 kB / 0.8935 GB, free: 15.07 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4559/0.4579, allocations: 109.2 MB / 1 GB, free: 8.215 MB / 0.6857 GB Notification: Performance of NFInst.instantiate(AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow): time 0.04448/0.5025, allocations: 49.75 MB / 1.049 GB, free: 14.59 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.01727/0.5198, allocations: 12.66 MB / 1.061 GB, free: 1.898 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001781/0.5216, allocations: 79.5 kB / 1.061 GB, free: 1.82 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.001677/0.5233, allocations: 0.7605 MB / 1.062 GB, free: 1.055 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.003815/0.5271, allocations: 1.815 MB / 1.064 GB, free: 15.23 MB / 0.7482 GB Notification: Performance of NFTyping.typeClassSections: time 0.002974/0.5301, allocations: 1.369 MB / 1.065 GB, free: 13.88 MB / 0.7482 GB Notification: Performance of NFFlatten.flatten: time 0.003442/0.5336, allocations: 3.245 MB / 1.068 GB, free: 10.63 MB / 0.7482 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001439/0.535, allocations: 1.262 MB / 1.069 GB, free: 9.328 MB / 0.7482 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002398/0.5374, allocations: 1.314 MB / 1.071 GB, free: 8.02 MB / 0.7482 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009985/0.5384, allocations: 0.9447 MB / 1.072 GB, free: 7.07 MB / 0.7482 GB Notification: Performance of NFPackage.collectConstants: time 0.0001662/0.5386, allocations: 99.98 kB / 1.072 GB, free: 6.973 MB / 0.7482 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001977/0.5406, allocations: 1.064 MB / 1.073 GB, free: 5.906 MB / 0.7482 GB Notification: Performance of NFScalarize.scalarize: time 0.0002602/0.5409, allocations: 286.8 kB / 1.073 GB, free: 5.625 MB / 0.7482 GB Notification: Performance of NFVerifyModel.verify: time 0.0006205/0.5415, allocations: 0.6722 MB / 1.074 GB, free: 4.949 MB / 0.7482 GB Notification: Performance of NFConvertDAE.convert: time 0.002244/0.5437, allocations: 1.977 MB / 1.076 GB, free: 2.969 MB / 0.7482 GB Notification: Performance of FrontEnd - DAE generated: time 5.14e-06/0.5438, allocations: 4 kB / 1.076 GB, free: 2.965 MB / 0.7482 GB Notification: Performance of FrontEnd: time 1.182e-06/0.5438, allocations: 0 / 1.076 GB, free: 2.965 MB / 0.7482 GB Notification: Performance of Transformations before backend: time 1.349e-05/0.5438, allocations: 4 kB / 1.076 GB, free: 2.961 MB / 0.7482 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 213 * Number of variables: 213 Notification: Performance of Generate backend data structure: time 0.002386/0.5462, allocations: 1.697 MB / 1.077 GB, free: 1.211 MB / 0.7482 GB Notification: Performance of prepare preOptimizeDAE: time 3.8e-05/0.5462, allocations: 8.031 kB / 1.077 GB, free: 1.203 MB / 0.7482 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000587/0.5468, allocations: 207.1 kB / 1.077 GB, free: 1 MB / 0.7482 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001862/0.5487, allocations: 1.092 MB / 1.079 GB, free: 15.85 MB / 0.7638 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.417e-05/0.5488, allocations: 70.38 kB / 1.079 GB, free: 15.78 MB / 0.7638 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001065/0.5489, allocations: 87.94 kB / 1.079 GB, free: 15.7 MB / 0.7638 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001602/0.5505, allocations: 1.003 MB / 1.08 GB, free: 14.61 MB / 0.7638 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.158e-05/0.5505, allocations: 3.938 kB / 1.08 GB, free: 14.61 MB / 0.7638 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.494e-05/0.5506, allocations: 36 kB / 1.08 GB, free: 14.57 MB / 0.7638 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.751e-05/0.5506, allocations: 20 kB / 1.08 GB, free: 14.55 MB / 0.7638 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001437/0.5521, allocations: 0.6477 MB / 1.08 GB, free: 13.9 MB / 0.7638 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 0.004744/0.5568, allocations: 4.714 MB / 1.085 GB, free: 8.922 MB / 0.7638 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001102/0.5579, allocations: 399.1 kB / 1.085 GB, free: 8.523 MB / 0.7638 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005212/0.5585, allocations: 224.6 kB / 1.086 GB, free: 8.301 MB / 0.7638 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008427/0.5593, allocations: 1.144 MB / 1.087 GB, free: 6.898 MB / 0.7638 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.467e-05/0.5594, allocations: 38.56 kB / 1.087 GB, free: 6.852 MB / 0.7638 GB Notification: Performance of pre-optimization done (n=29): time 1.863e-06/0.5594, allocations: 4 kB / 1.087 GB, free: 6.848 MB / 0.7638 GB Notification: Performance of matching and sorting (n=29): time 0.00279/0.5622, allocations: 1.078 MB / 1.088 GB, free: 5.699 MB / 0.7638 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.701e-05/0.5622, allocations: 55.41 kB / 1.088 GB, free: 5.633 MB / 0.7638 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001188/0.5634, allocations: 0.9753 MB / 1.089 GB, free: 4.645 MB / 0.7638 GB Notification: Performance of collectPreVariables (initialization): time 4.202e-05/0.5634, allocations: 41.64 kB / 1.089 GB, free: 4.598 MB / 0.7638 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003878/0.5638, allocations: 0.5851 MB / 1.089 GB, free: 4.008 MB / 0.7638 GB Notification: Performance of collectInitialBindings (initialization): time 8.73e-05/0.5639, allocations: 106.5 kB / 1.09 GB, free: 3.902 MB / 0.7638 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001552/0.5641, allocations: 110 kB / 1.09 GB, free: 3.789 MB / 0.7638 GB Notification: Performance of setup shared object (initialization): time 9.629e-05/0.5642, allocations: 326 kB / 1.09 GB, free: 3.465 MB / 0.7638 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005079/0.5647, allocations: 197 kB / 1.09 GB, free: 3.273 MB / 0.7638 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006485/0.5654, allocations: 410.8 kB / 1.09 GB, free: 2.785 MB / 0.7638 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001117/0.5665, allocations: 0.6033 MB / 1.091 GB, free: 2.094 MB / 0.7638 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.28e-06/0.5665, allocations: 4 kB / 1.091 GB, free: 2.09 MB / 0.7638 GB Notification: Performance of matching and sorting (n=60) (initialization): time 0.001555/0.5681, allocations: 0.7523 MB / 1.092 GB, free: 1.32 MB / 0.7638 GB Notification: Performance of prepare postOptimizeDAE: time 2.126e-05/0.5681, allocations: 8 kB / 1.092 GB, free: 1.312 MB / 0.7638 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.092e-05/0.5681, allocations: 8 kB / 1.092 GB, free: 1.305 MB / 0.7638 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006889/0.5688, allocations: 159 kB / 1.092 GB, free: 1.141 MB / 0.7638 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005892/0.5694, allocations: 143.8 kB / 1.092 GB, free: 1 MB / 0.7638 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001077/0.5705, allocations: 1.719 MB / 1.094 GB, free: 15.2 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006497/0.5712, allocations: 87.52 kB / 1.094 GB, free: 15.12 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.287e-05/0.5712, allocations: 28 kB / 1.094 GB, free: 15.09 MB / 0.7794 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 29 * 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 (52): * Single equations (assignments): 49 * 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 {(1,2), (1,3), (1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0004131/0.5717, allocations: 269.6 kB / 1.094 GB, free: 14.82 MB / 0.7794 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001632/0.5718, allocations: 110.6 kB / 1.094 GB, free: 14.71 MB / 0.7794 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001739/0.5736, allocations: 0.7156 MB / 1.095 GB, free: 13.97 MB / 0.7794 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.883e-06/0.5736, allocations: 0 / 1.095 GB, free: 13.97 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.308e-06/0.5736, allocations: 4 kB / 1.095 GB, free: 13.97 MB / 0.7794 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003677/0.574, allocations: 255.4 kB / 1.095 GB, free: 13.7 MB / 0.7794 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001048/0.5741, allocations: 7.984 kB / 1.095 GB, free: 13.69 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005343/0.5746, allocations: 39.95 kB / 1.095 GB, free: 13.65 MB / 0.7794 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.611e-05/0.5747, allocations: 24.25 kB / 1.095 GB, free: 13.63 MB / 0.7794 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.001908/0.5766, allocations: 0.7517 MB / 1.096 GB, free: 12.86 MB / 0.7794 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.001814/0.5785, allocations: 1.039 MB / 1.097 GB, free: 11.8 MB / 0.7794 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.0004963/0.579, allocations: 223.8 kB / 1.097 GB, free: 11.59 MB / 0.7794 GB Notification: Performance of sorting global known variables: time 0.0007718/0.5798, allocations: 0.6658 MB / 1.098 GB, free: 10.91 MB / 0.7794 GB Notification: Performance of Backend: time 3.1e-07/0.5798, allocations: 0 / 1.098 GB, free: 10.91 MB / 0.7794 GB Notification: Performance of simCode: created initialization part: time 0.002177/0.582, allocations: 0.7897 MB / 1.099 GB, free: 10.13 MB / 0.7794 GB Notification: Performance of SimCode: time 0.003884/0.5859, allocations: 2.602 MB / 1.101 GB, free: 7.484 MB / 0.7794 GB Notification: Performance of Templates: time 0.03226/0.6181, allocations: 21.1 MB / 1.122 GB, free: 2.676 MB / 0.795 GB make -j1 -f AixLib_latest_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.makefile (rm -f AixLib_latest_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe ; mkfifo AixLib_latest_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe ; head -c 1048576 < AixLib_latest_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe >> ../files/AixLib_latest_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.sim & ./AixLib_latest_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow -abortSlowSimulation -alarm=480 -lv LOG_STATS > AixLib_latest_AixLib.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe 2>&1)