Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Conversion_Examples_TransformerStepUpDY",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Conversion_Examples_TransformerStepUpDY",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.445/1.445, allocations: 251.5 MB / 266.7 MB, free: 10.98 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001002/0.001003, allocations: 178.9 kB / 325.9 MB, free: 2.652 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.87/1.87, allocations: 205 MB / 0.576 GB, free: 20.95 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.000743/0.0007431, allocations: 84.98 kB / 0.6797 GB, free: 14.69 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0003223/0.0003223, allocations: 11.83 kB / 0.7933 GB, free: 136.6 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1792/0.1796, allocations: 105.4 MB / 0.8962 GB, free: 68.01 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY): time 0.0136/0.1932, allocations: 16.53 MB / 0.9123 GB, free: 51.42 MB / 0.6042 GB Notification: Performance of NFInst.instExpressions: time 0.007668/0.2009, allocations: 6.115 MB / 0.9183 GB, free: 45.29 MB / 0.6042 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001331/0.2023, allocations: 43.88 kB / 0.9184 GB, free: 45.24 MB / 0.6042 GB Notification: Performance of NFTyping.typeComponents: time 0.002879/0.2052, allocations: 1.365 MB / 0.9197 GB, free: 43.88 MB / 0.6042 GB Notification: Performance of NFTyping.typeBindings: time 0.001996/0.2072, allocations: 0.9967 MB / 0.9207 GB, free: 42.88 MB / 0.6042 GB Notification: Performance of NFTyping.typeClassSections: time 0.001996/0.2092, allocations: 0.9532 MB / 0.9216 GB, free: 41.92 MB / 0.6042 GB Notification: Performance of NFFlatten.flatten: time 0.003824/0.2131, allocations: 6.577 MB / 0.928 GB, free: 35.33 MB / 0.6042 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006499/0.2196, allocations: 6.658 MB / 0.9345 GB, free: 28.59 MB / 0.6042 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002144/0.2217, allocations: 1.358 MB / 0.9359 GB, free: 27.22 MB / 0.6042 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002621/0.2244, allocations: 1.97 MB / 0.9378 GB, free: 25.25 MB / 0.6042 GB Notification: Performance of NFPackage.collectConstants: time 0.0003303/0.2247, allocations: 200 kB / 0.938 GB, free: 25.05 MB / 0.6042 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001968/0.2267, allocations: 1.053 MB / 0.939 GB, free: 24 MB / 0.6042 GB Notification: Performance of NFScalarize.scalarize: time 0.001025/0.2277, allocations: 1.462 MB / 0.9404 GB, free: 22.53 MB / 0.6042 GB Notification: Performance of NFVerifyModel.verify: time 0.001163/0.2289, allocations: 1.4 MB / 0.9418 GB, free: 21.12 MB / 0.6042 GB Notification: Performance of NFConvertDAE.convert: time 0.004405/0.2333, allocations: 6.359 MB / 0.948 GB, free: 14.75 MB / 0.6042 GB Notification: Performance of FrontEnd - DAE generated: time 5.57e-06/0.2333, allocations: 0 / 0.948 GB, free: 14.75 MB / 0.6042 GB Notification: Performance of FrontEnd: time 2.344e-06/0.2334, allocations: 4 kB / 0.948 GB, free: 14.74 MB / 0.6042 GB Notification: Performance of Transformations before backend: time 8.928e-05/0.2335, allocations: 0 / 0.948 GB, free: 14.74 MB / 0.6042 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 809 * Number of variables: 809 Notification: Performance of Generate backend data structure: time 0.003919/0.2374, allocations: 2.46 MB / 0.9504 GB, free: 12.22 MB / 0.6042 GB Notification: Performance of prepare preOptimizeDAE: time 4.494e-05/0.2374, allocations: 12.03 kB / 0.9504 GB, free: 12.21 MB / 0.6042 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004782/0.2379, allocations: 458.8 kB / 0.9509 GB, free: 11.75 MB / 0.6042 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009532/0.2475, allocations: 2.034 MB / 0.9528 GB, free: 9.711 MB / 0.6042 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00273/0.2502, allocations: 1.643 MB / 0.9544 GB, free: 8.023 MB / 0.6042 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001086/0.2504, allocations: 226.5 kB / 0.9547 GB, free: 7.801 MB / 0.6042 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004587/0.2508, allocations: 296.4 kB / 0.9549 GB, free: 7.512 MB / 0.6042 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009776/0.2606, allocations: 5.923 MB / 0.9607 GB, free: 1.496 MB / 0.6042 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.385e-05/0.2607, allocations: 0 / 0.9607 GB, free: 1.496 MB / 0.6042 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003173/0.261, allocations: 124 kB / 0.9608 GB, free: 1.375 MB / 0.6042 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002404/0.2613, allocations: 208.9 kB / 0.961 GB, free: 1.168 MB / 0.6042 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01298/0.2743, allocations: 5.977 MB / 0.9669 GB, free: 11.17 MB / 0.6198 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 0.0288/0.3031, allocations: 23.02 MB / 0.9894 GB, free: 2.141 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005476/0.3086, allocations: 2.511 MB / 0.9918 GB, free: 15.52 MB / 0.6511 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004558/0.3132, allocations: 1.81 MB / 0.9936 GB, free: 13.68 MB / 0.6511 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002647/0.3135, allocations: 122 kB / 0.9937 GB, free: 13.54 MB / 0.6511 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.614e-05/0.3136, allocations: 47.56 kB / 0.9937 GB, free: 13.48 MB / 0.6511 GB Notification: Performance of pre-optimization done (n=123): time 4.9e-06/0.3136, allocations: 0 / 0.9937 GB, free: 13.48 MB / 0.6511 GB Notification: Performance of matching and sorting (n=153): time 0.03594/0.3496, allocations: 11.75 MB / 1.005 GB, free: 1.684 MB / 0.6511 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.496e-05/0.3497, allocations: 230.9 kB / 1.005 GB, free: 1.41 MB / 0.6511 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001335/0.351, allocations: 1.074 MB / 1.006 GB, free: 332 kB / 0.6511 GB Notification: Performance of collectPreVariables (initialization): time 0.0002231/0.3513, allocations: 49.7 kB / 1.007 GB, free: 276 kB / 0.6511 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006783/0.3519, allocations: 1.25 MB / 1.008 GB, free: 15 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.000541/0.3525, allocations: 0.5315 MB / 1.008 GB, free: 14.46 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003066/0.3528, allocations: 178.1 kB / 1.008 GB, free: 14.28 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.0001377/0.353, allocations: 334 kB / 1.009 GB, free: 13.95 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004366/0.3573, allocations: 1.831 MB / 1.011 GB, free: 12.11 MB / 0.6667 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004686/0.362, allocations: 2.517 MB / 1.013 GB, free: 9.285 MB / 0.6667 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008959/0.371, allocations: 4.36 MB / 1.017 GB, free: 4.625 MB / 0.6667 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.577e-05/0.3711, allocations: 8 kB / 1.017 GB, free: 4.617 MB / 0.6667 GB Notification: Performance of matching and sorting (n=282) (initialization): time 0.01261/0.3837, allocations: 5.208 MB / 1.022 GB, free: 15.38 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004766/0.3842, allocations: 0.7262 MB / 1.023 GB, free: 14.35 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.915e-05/0.3842, allocations: 20 kB / 1.023 GB, free: 14.33 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002761/0.387, allocations: 0.883 MB / 1.024 GB, free: 13.43 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003319/0.3903, allocations: 0.7722 MB / 1.025 GB, free: 12.66 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01281/0.4032, allocations: 12.8 MB / 1.037 GB, free: 15.06 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003086/0.4063, allocations: 463 kB / 1.038 GB, free: 14.61 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003644/0.4067, allocations: 115.9 kB / 1.038 GB, free: 14.5 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 1.026e-05/0.4067, allocations: 4 kB / 1.038 GB, free: 14.49 MB / 0.698 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01133/0.418, allocations: 5.032 MB / 1.043 GB, free: 9.438 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.224e-05/0.4181, allocations: 24 kB / 1.043 GB, free: 9.414 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002111/0.4202, allocations: 0.7388 MB / 1.043 GB, free: 8.656 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003301/0.4236, allocations: 0.7798 MB / 1.044 GB, free: 7.875 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4174/0.8409, allocations: 12.62 MB / 1.057 GB, free: 135.8 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003118/0.8441, allocations: 452.8 kB / 1.057 GB, free: 135.8 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003266/0.8444, allocations: 114.4 kB / 1.057 GB, free: 135.8 MB / 0.698 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 97 * 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 (240): * Single equations (assignments): 234 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.002303/0.8468, allocations: 1.33 MB / 1.058 GB, free: 135.6 MB / 0.698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004955/0.8473, allocations: 120.2 kB / 1.058 GB, free: 135.6 MB / 0.698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01296/0.8602, allocations: 4.596 MB / 1.063 GB, free: 135.4 MB / 0.698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.015e-05/0.8603, allocations: 19.58 kB / 1.063 GB, free: 135.4 MB / 0.698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.932e-05/0.8603, allocations: 9 kB / 1.063 GB, free: 135.4 MB / 0.698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.91e-05/0.8604, allocations: 9.453 kB / 1.063 GB, free: 135.4 MB / 0.698 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02068/0.8811, allocations: 8.312 MB / 1.071 GB, free: 133.8 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.188e-05/0.8811, allocations: 15.69 kB / 1.071 GB, free: 133.8 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002469/0.8836, allocations: 0.53 MB / 1.072 GB, free: 133.8 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002118/0.8857, allocations: 0.7065 MB / 1.072 GB, free: 133.6 MB / 0.698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001934/0.8859, allocations: 56.56 kB / 1.072 GB, free: 133.6 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01024/0.8962, allocations: 12.26 MB / 1.084 GB, free: 123.9 MB / 0.698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.518e-06/0.8962, allocations: 13.2 kB / 1.084 GB, free: 123.9 MB / 0.698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01041/0.9067, allocations: 4.295 MB / 1.089 GB, free: 122.2 MB / 0.698 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001151/0.9079, allocations: 483.6 kB / 1.089 GB, free: 122 MB / 0.698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003787/0.9083, allocations: 42.2 kB / 1.089 GB, free: 121.9 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002716/0.911, allocations: 393.4 kB / 1.089 GB, free: 121.9 MB / 0.698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004304/0.9114, allocations: 139.5 kB / 1.09 GB, free: 121.9 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001852/0.9116, allocations: 56.44 kB / 1.09 GB, free: 121.8 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.001495/0.9131, allocations: 0.781 MB / 1.09 GB, free: 121.4 MB / 0.698 GB Notification: Performance of sort global known variables: time 1.4e-07/0.9131, allocations: 0 / 1.09 GB, free: 121.4 MB / 0.698 GB Notification: Performance of remove unused functions: time 0.00542/0.9186, allocations: 1.155 MB / 1.092 GB, free: 121.3 MB / 0.698 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 32 * 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 (107): * Single equations (assignments): 101 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.01032/0.929, allocations: 4.896 MB / 1.096 GB, free: 118.1 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.0177/0.9467, allocations: 8.186 MB / 1.104 GB, free: 111.5 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 1.493e-05/0.9468, allocations: 0 / 1.104 GB, free: 111.5 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.006809/0.9536, allocations: 2.758 MB / 1.107 GB, free: 108.7 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002659/0.9563, allocations: 191.3 kB / 1.107 GB, free: 108.5 MB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05371/1.01, allocations: 26.55 MB / 1.133 GB, free: 80.7 MB / 0.698 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00256/1.013, allocations: 2.331 MB / 1.135 GB, free: 78.34 MB / 0.698 GB Notification: Performance of simCode: alias equations: time 0.003824/1.016, allocations: 1.291 MB / 1.137 GB, free: 77.05 MB / 0.698 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001277/1.018, allocations: 0.8858 MB / 1.137 GB, free: 76.16 MB / 0.698 GB Notification: Performance of SimCode: time 1.162e-06/1.018, allocations: 0 / 1.137 GB, free: 76.16 MB / 0.698 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06494/1.083, allocations: 47.85 MB / 1.184 GB, free: 28.62 MB / 0.698 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001643/1.083, allocations: 278 kB / 1.184 GB, free: 28.23 MB / 0.698 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.367/4.45, allocations: 2.969 kB / 1.184 GB, free: 28.23 MB / 0.698 GB (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Conversion_Examples_TransformerStepUpDY_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Conversion_Examples_TransformerStepUpDY.fmu > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepUpDY.pipe 2>&1)