Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate.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 1.3.2/package.mo", uses=false) Using package AixLib with version 1.3.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/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.Examples.MixingVolumePrescribedHeatFlowRate,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate") translateModel(AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001192/0.001192, allocations: 115.5 kB / 16.42 MB, free: 6.031 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001064/0.001064, allocations: 186.2 kB / 17.35 MB, free: 5.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.289/1.289, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1-master/package.mo): time 0.05464/0.05464, allocations: 12.04 MB / 303.3 MB, free: 3.09 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0005392/0.0005393, allocations: 27.95 kB / 356.3 MB, free: 13.96 MB / 302.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/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 1.3.2/package.mo): time 1.492/1.492, allocations: 268.2 MB / 0.6617 GB, free: 2.613 MB / 478.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002042/0.002042, allocations: 108.3 kB / 0.888 GB, free: 2.828 MB / 0.6075 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4855/0.4876, allocations: 108.4 MB / 0.9938 GB, free: 1.156 MB / 0.67 GB Notification: Performance of NFInst.instantiate(AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate): time 0.1629/0.6506, allocations: 171 MB / 1.161 GB, free: 5.504 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.006021/0.6566, allocations: 4.286 MB / 1.165 GB, free: 1.207 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000693/0.6573, allocations: 19.88 kB / 1.165 GB, free: 1.188 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.0009578/0.6583, allocations: 374 kB / 1.165 GB, free: 0.8203 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.002302/0.6607, allocations: 1.027 MB / 1.166 GB, free: 15.79 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.002001/0.6627, allocations: 0.8194 MB / 1.167 GB, free: 14.98 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.001625/0.6643, allocations: 1.298 MB / 1.168 GB, free: 13.68 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008171/0.6651, allocations: 483.3 kB / 1.169 GB, free: 13.2 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001554/0.6667, allocations: 0.6995 MB / 1.17 GB, free: 12.5 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00117/0.6679, allocations: 456.5 kB / 1.17 GB, free: 12.06 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.0001424/0.668, allocations: 52 kB / 1.17 GB, free: 12.01 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001675/0.6697, allocations: 0.9082 MB / 1.171 GB, free: 11.1 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.0002667/0.67, allocations: 215.5 kB / 1.171 GB, free: 10.89 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.0005252/0.6705, allocations: 330.5 kB / 1.171 GB, free: 10.56 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.001916/0.6724, allocations: 1.134 MB / 1.173 GB, free: 9.426 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 4.518e-06/0.6725, allocations: 3.938 kB / 1.173 GB, free: 9.422 MB / 0.8575 GB Notification: Performance of FrontEnd: time 1.433e-06/0.6725, allocations: 0 / 1.173 GB, free: 9.422 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 2.446e-05/0.6725, allocations: 0 / 1.173 GB, free: 9.422 MB / 0.8575 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 106 * Number of variables: 106 Notification: Performance of Generate backend data structure: time 0.00186/0.6744, allocations: 0.9505 MB / 1.174 GB, free: 8.422 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 3.945e-05/0.6744, allocations: 12.03 kB / 1.174 GB, free: 8.41 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001688/0.6761, allocations: 255 kB / 1.174 GB, free: 8.16 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009495/0.6771, allocations: 0.5051 MB / 1.174 GB, free: 7.617 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.733e-05/0.6771, allocations: 33 kB / 1.174 GB, free: 7.586 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.586e-05/0.6772, allocations: 40 kB / 1.174 GB, free: 7.547 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001279/0.6785, allocations: 0.6146 MB / 1.175 GB, free: 6.914 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.262e-05/0.6785, allocations: 8 kB / 1.175 GB, free: 6.906 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.805e-05/0.6786, allocations: 16 kB / 1.175 GB, free: 6.891 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.403e-05/0.6786, allocations: 17 kB / 1.175 GB, free: 6.871 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001421/0.68, allocations: 0.5542 MB / 1.176 GB, free: 6.32 MB / 0.8575 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 0.004124/0.6842, allocations: 2.249 MB / 1.178 GB, free: 3.938 MB / 0.8575 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0009299/0.6851, allocations: 282.3 kB / 1.178 GB, free: 3.652 MB / 0.8575 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005465/0.6857, allocations: 168.9 kB / 1.178 GB, free: 3.484 MB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 2.334e-05/0.6857, allocations: 7.938 kB / 1.178 GB, free: 3.477 MB / 0.8575 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.574e-05/0.6858, allocations: 34.56 kB / 1.178 GB, free: 3.434 MB / 0.8575 GB Notification: Performance of pre-optimization done (n=11): time 2.235e-06/0.6858, allocations: 0 / 1.178 GB, free: 3.434 MB / 0.8575 GB Notification: Performance of matching and sorting (n=11): time 0.005213/0.691, allocations: 1.091 MB / 1.179 GB, free: 2.316 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.85e-05/0.6911, allocations: 77.11 kB / 1.179 GB, free: 2.223 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006977/0.6918, allocations: 0.5496 MB / 1.18 GB, free: 1.66 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 5.13e-05/0.6918, allocations: 29.7 kB / 1.18 GB, free: 1.625 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002316/0.6921, allocations: 303.5 kB / 1.18 GB, free: 1.324 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 5.634e-05/0.6921, allocations: 39.45 kB / 1.18 GB, free: 1.285 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001318/0.6923, allocations: 69.59 kB / 1.18 GB, free: 1.211 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 0.0001247/0.6924, allocations: 354.8 kB / 1.181 GB, free: 0.8555 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006151/0.693, allocations: 195.8 kB / 1.181 GB, free: 0.6641 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000647/0.6937, allocations: 274.1 kB / 1.181 GB, free: 368 kB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001169/0.6949, allocations: 404.2 kB / 1.181 GB, free: 15.93 MB / 0.8732 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.936e-06/0.6949, allocations: 0 / 1.181 GB, free: 15.93 MB / 0.8732 GB Notification: Performance of matching and sorting (n=30) (initialization): time 0.002748/0.6976, allocations: 0.7383 MB / 1.182 GB, free: 15.19 MB / 0.8732 GB Notification: Performance of prepare postOptimizeDAE: time 2.009e-05/0.6977, allocations: 6.188 kB / 1.182 GB, free: 15.18 MB / 0.8732 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.829e-06/0.6977, allocations: 4 kB / 1.182 GB, free: 15.18 MB / 0.8732 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006386/0.6983, allocations: 184.8 kB / 1.182 GB, free: 15 MB / 0.8732 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003644/0.6987, allocations: 71.88 kB / 1.182 GB, free: 14.93 MB / 0.8732 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003906/0.7026, allocations: 2.224 MB / 1.185 GB, free: 12.57 MB / 0.8732 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000642/0.7033, allocations: 79.39 kB / 1.185 GB, free: 12.49 MB / 0.8732 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.098e-05/0.7033, allocations: 8 kB / 1.185 GB, free: 12.48 MB / 0.8732 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 (26): * Single equations (assignments): 25 * 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 {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0002905/0.7036, allocations: 189.8 kB / 1.185 GB, free: 12.29 MB / 0.8732 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001382/0.7038, allocations: 59.31 kB / 1.185 GB, free: 12.23 MB / 0.8732 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001208/0.7039, allocations: 52.03 kB / 1.185 GB, free: 12.17 MB / 0.8732 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.617e-06/0.7039, allocations: 0 / 1.185 GB, free: 12.17 MB / 0.8732 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.683e-06/0.7039, allocations: 0 / 1.185 GB, free: 12.17 MB / 0.8732 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002839/0.7042, allocations: 168.5 kB / 1.185 GB, free: 11.99 MB / 0.8732 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.074e-05/0.7043, allocations: 7.984 kB / 1.185 GB, free: 11.98 MB / 0.8732 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006184/0.7049, allocations: 40.14 kB / 1.185 GB, free: 11.94 MB / 0.8732 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.968e-05/0.705, allocations: 19.97 kB / 1.185 GB, free: 11.92 MB / 0.8732 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.002413/0.7074, allocations: 0.6221 MB / 1.186 GB, free: 11.29 MB / 0.8732 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.001842/0.7093, allocations: 0.7399 MB / 1.187 GB, free: 10.53 MB / 0.8732 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.0005268/0.7098, allocations: 167.2 kB / 1.187 GB, free: 10.37 MB / 0.8732 GB Notification: Performance of sorting global known variables: time 0.0004616/0.7103, allocations: 394.8 kB / 1.187 GB, free: 9.988 MB / 0.8732 GB Notification: Performance of Backend: time 3.2e-07/0.7103, allocations: 0 / 1.187 GB, free: 9.988 MB / 0.8732 GB Notification: Performance of simCode: created initialization part: time 0.002072/0.7124, allocations: 0.6306 MB / 1.188 GB, free: 9.344 MB / 0.8732 GB Notification: Performance of SimCode: time 0.002359/0.7148, allocations: 1.556 MB / 1.189 GB, free: 7.75 MB / 0.8732 GB Notification: Performance of Templates: time 0.02174/0.7365, allocations: 14.14 MB / 1.203 GB, free: 9.809 MB / 0.8888 GB make -j1 -f AixLib_AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate.makefile (rm -f AixLib_AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate.pipe ; mkfifo AixLib_AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate.pipe ; head -c 1048576 < AixLib_AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate.pipe >> ../files/AixLib_AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate.sim & ./AixLib_AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate -abortSlowSimulation -alarm=480 -lv LOG_STATS > AixLib_AixLib.Fluid.MixingVolumes.Examples.MixingVolumePrescribedHeatFlowRate.pipe 2>&1)