Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr OpenIPSL_release_OpenIPSL.Tests.Controls.PSSE.TG.HYGOV.conf.json 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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/package.mo", uses=false) Using package OpenIPSL with version 3.1.0-dev (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/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) 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) Running command: "" <> buildModelFMU(OpenIPSL.Tests.Controls.PSSE.TG.HYGOV,fileNamePrefix="OpenIPSL_release_OpenIPSL_Tests_Controls_PSSE_TG_HYGOV",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(OpenIPSL.Tests.Controls.PSSE.TG.HYGOV,fileNamePrefix="OpenIPSL_release_OpenIPSL_Tests_Controls_PSSE_TG_HYGOV",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.005065/0.005065, allocations: 171.4 kB / 15.12 MB, free: 5.477 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.329/1.329, allocations: 223.2 MB / 239 MB, free: 1.715 MB / 186.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008132/0.0008133, allocations: 95.42 kB / 290.2 MB, free: 13.91 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/package.mo): time 0.5528/0.5528, allocations: 78.59 MB / 419.9 MB, free: 44.25 MB / 330.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0005263/0.0005264, allocations: 8 kB / 499.9 MB, free: 2.84 MB / 362.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3762/0.3767, allocations: 69.34 MB / 0.5559 GB, free: 39.06 MB / 426.7 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Controls.PSSE.TG.HYGOV): time 0.008104/0.3849, allocations: 7.931 MB / 0.5636 GB, free: 36.37 MB / 426.7 MB Notification: Performance of NFInst.instExpressions: time 0.006022/0.3909, allocations: 2.765 MB / 0.5663 GB, free: 34.41 MB / 426.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001101/0.392, allocations: 21.91 kB / 0.5663 GB, free: 34.4 MB / 426.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0008184/0.3929, allocations: 252.4 kB / 0.5666 GB, free: 34.28 MB / 426.7 MB Notification: Performance of NFTyping.typeBindings: time 0.00281/0.3957, allocations: 1.115 MB / 0.5677 GB, free: 33.56 MB / 426.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/NonElectrical/Logical/NegCurLogic.mo:14:3-14:60:writable] Warning: In relation sCRX.negCurLogic.RC_rfd == 0.0, == on Real numbers is only allowed inside functions. Notification: Performance of NFTyping.typeClassSections: time 0.001783/0.3975, allocations: 0.6982 MB / 0.5683 GB, free: 33.22 MB / 426.7 MB Notification: Performance of NFFlatten.flatten: time 0.002312/0.3998, allocations: 1.643 MB / 0.5699 GB, free: 32.36 MB / 426.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0006505/0.4005, allocations: 448.3 kB / 0.5704 GB, free: 32.15 MB / 426.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0009761/0.4015, allocations: 0.8221 MB / 0.5712 GB, free: 31.79 MB / 426.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0008996/0.4024, allocations: 1.057 MB / 0.5722 GB, free: 31.32 MB / 426.7 MB Notification: Performance of NFPackage.collectConstants: time 0.000182/0.4026, allocations: 95.69 kB / 0.5723 GB, free: 31.32 MB / 426.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0005942/0.4032, allocations: 282.2 kB / 0.5726 GB, free: 31.27 MB / 426.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002804/0.4034, allocations: 385.8 kB / 0.5729 GB, free: 31.05 MB / 426.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0002415/0.4037, allocations: 337.5 kB / 0.5733 GB, free: 30.84 MB / 426.7 MB Notification: Performance of NFConvertDAE.convert: time 0.00148/0.4052, allocations: 1.92 MB / 0.5751 GB, free: 30.31 MB / 426.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.098e-06/0.4052, allocations: 0 / 0.5751 GB, free: 30.31 MB / 426.7 MB Notification: Performance of FrontEnd: time 1.713e-06/0.4052, allocations: 3.938 kB / 0.5751 GB, free: 30.3 MB / 426.7 MB Notification: Performance of Transformations before backend: time 2.046e-05/0.4052, allocations: 0 / 0.5751 GB, free: 30.3 MB / 426.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 305 * Number of variables: 305 Notification: Performance of Generate backend data structure: time 0.01346/0.4187, allocations: 4.029 MB / 0.5791 GB, free: 28.81 MB / 426.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.912e-05/0.4187, allocations: 11.44 kB / 0.5791 GB, free: 28.81 MB / 426.7 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000375/0.4191, allocations: 184.2 kB / 0.5793 GB, free: 28.69 MB / 426.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004346/0.4235, allocations: 0.7874 MB / 0.58 GB, free: 28.5 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00209/0.4256, allocations: 1.154 MB / 0.5811 GB, free: 27.79 MB / 426.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004427/0.426, allocations: 0.5102 MB / 0.5816 GB, free: 27.32 MB / 426.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002232/0.4263, allocations: 136.8 kB / 0.5818 GB, free: 27.28 MB / 426.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00326/0.4295, allocations: 1.764 MB / 0.5835 GB, free: 26.56 MB / 426.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.612e-05/0.4296, allocations: 0 / 0.5835 GB, free: 26.56 MB / 426.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001371/0.4297, allocations: 51.56 kB / 0.5835 GB, free: 26.52 MB / 426.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.803e-05/0.4298, allocations: 28.78 kB / 0.5836 GB, free: 26.52 MB / 426.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003198/0.433, allocations: 1.615 MB / 0.5852 GB, free: 26 MB / 426.7 MB 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 0.009469/0.4424, allocations: 6.172 MB / 0.5912 GB, free: 22.34 MB / 426.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.008997/0.4515, allocations: 3.678 MB / 0.5948 GB, free: 20.99 MB / 426.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0002989/0.4518, allocations: 30.83 kB / 0.5948 GB, free: 20.98 MB / 426.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00343/0.4553, allocations: 1.244 MB / 0.596 GB, free: 20.52 MB / 426.7 MB Notification: Performance of pre-optimization done (n=143): time 3.847e-06/0.4553, allocations: 0.9844 kB / 0.596 GB, free: 20.52 MB / 426.7 MB Notification: Performance of matching and sorting (n=147): time 0.05673/0.512, allocations: 15.75 MB / 0.6114 GB, free: 16.21 MB / 426.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.095e-05/0.5122, allocations: 195.9 kB / 0.6116 GB, free: 15.99 MB / 426.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002608/0.5148, allocations: 1.545 MB / 0.6131 GB, free: 15.12 MB / 426.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0004149/0.5152, allocations: 57.7 kB / 0.6131 GB, free: 15.06 MB / 426.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004158/0.5156, allocations: 0.7027 MB / 0.6138 GB, free: 14.34 MB / 426.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004804/0.5161, allocations: 0.5199 MB / 0.6143 GB, free: 13.82 MB / 426.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001229/0.5162, allocations: 40 kB / 0.6144 GB, free: 13.78 MB / 426.7 MB Notification: Performance of setup shared object (initialization): time 0.0001202/0.5164, allocations: 398.1 kB / 0.6148 GB, free: 13.38 MB / 426.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002256/0.5186, allocations: 1.156 MB / 0.6159 GB, free: 12.22 MB / 426.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002268/0.5209, allocations: 1.391 MB / 0.6172 GB, free: 10.76 MB / 426.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002318/0.5232, allocations: 1.269 MB / 0.6185 GB, free: 9.461 MB / 426.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.829e-06/0.5233, allocations: 0 / 0.6185 GB, free: 9.461 MB / 426.7 MB Notification: Performance of matching and sorting (n=273) (initialization): time 0.0105/0.5338, allocations: 4.74 MB / 0.6231 GB, free: 4.668 MB / 426.7 MB Notification: Performance of prepare postOptimizeDAE: time 0.0003887/0.5342, allocations: 1.747 MB / 0.6248 GB, free: 2.75 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.568e-05/0.5342, allocations: 4 kB / 0.6248 GB, free: 2.746 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.009422/0.5436, allocations: 3.092 MB / 0.6278 GB, free: 15.64 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001748/0.5454, allocations: 311.5 kB / 0.6281 GB, free: 15.34 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01118/0.5566, allocations: 5.493 MB / 0.6335 GB, free: 9.688 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003028/0.5597, allocations: 231.8 kB / 0.6337 GB, free: 9.461 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002064/0.5599, allocations: 75.97 kB / 0.6338 GB, free: 9.387 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.368e-05/0.5599, allocations: 4 kB / 0.6338 GB, free: 9.383 MB / 442.7 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01126/0.5712, allocations: 4.464 MB / 0.6382 GB, free: 4.871 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.091e-05/0.5713, allocations: 4 kB / 0.6382 GB, free: 4.867 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.009802/0.5811, allocations: 3.046 MB / 0.6411 GB, free: 1.812 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001644/0.5828, allocations: 311.5 kB / 0.6414 GB, free: 1.508 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01096/0.5937, allocations: 5.365 MB / 0.6467 GB, free: 11.98 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002873/0.5966, allocations: 223.8 kB / 0.6469 GB, free: 11.76 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002245/0.5969, allocations: 79.92 kB / 0.647 GB, free: 11.68 MB / 458.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 19 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition1,$whenCondition2,hYGOV.Position_Limiter.local_reset,hYGOV.q.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (191): * Single equations (assignments): 188 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {1 6,29 44} Notification: Performance of prepare postOptimizeDAE: time 0.001066/0.598, allocations: 413.3 kB / 0.6474 GB, free: 11.27 MB / 458.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004169/0.5984, allocations: 181.8 kB / 0.6475 GB, free: 11.09 MB / 458.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01885/0.6173, allocations: 6.256 MB / 0.6536 GB, free: 4.805 MB / 458.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.665e-05/0.6173, allocations: 16 kB / 0.6537 GB, free: 4.789 MB / 458.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.214e-06/0.6173, allocations: 7.984 kB / 0.6537 GB, free: 4.781 MB / 458.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.69e-05/0.6174, allocations: 7.984 kB / 0.6537 GB, free: 4.773 MB / 458.7 MB 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 postOpt removeSimpleEquations (simulation): time 0.02231/0.6397, allocations: 8.619 MB / 0.6621 GB, free: 12 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.774e-05/0.6398, allocations: 0 / 0.6621 GB, free: 12 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001122/0.6409, allocations: 171.7 kB / 0.6623 GB, free: 11.84 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.008704/0.6496, allocations: 2.659 MB / 0.6649 GB, free: 9.172 MB / 474.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004338/0.6501, allocations: 35.98 kB / 0.6649 GB, free: 9.137 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03133/0.6815, allocations: 13.03 MB / 0.6776 GB, free: 11.82 MB / 490.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.229e-06/0.6815, allocations: 4.031 kB / 0.6776 GB, free: 11.82 MB / 490.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02258/0.7041, allocations: 7.654 MB / 0.6851 GB, free: 4.117 MB / 490.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0009124/0.705, allocations: 274.6 kB / 0.6854 GB, free: 3.828 MB / 490.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007732/0.7058, allocations: 32 kB / 0.6854 GB, free: 3.797 MB / 490.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002363/0.7082, allocations: 207.8 kB / 0.6856 GB, free: 3.594 MB / 490.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001085/0.7093, allocations: 305.2 kB / 0.6859 GB, free: 3.297 MB / 490.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002224/0.7096, allocations: 43.98 kB / 0.6859 GB, free: 3.254 MB / 490.7 MB Notification: Performance of sorting global known variables: time 0.002037/0.7116, allocations: 1.018 MB / 0.6869 GB, free: 2.242 MB / 490.7 MB Notification: Performance of sort global known variables: time 1.5e-07/0.7116, allocations: 0 / 0.6869 GB, free: 2.242 MB / 490.7 MB Notification: Performance of remove unused functions: time 0.00373/0.7154, allocations: 0.8634 MB / 0.6878 GB, free: 1.379 MB / 490.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 14 (gENCLS.omega,gENCLS.delta,gENCLS.eq,gENSAL.w,gENSAL.delta,gENSAL.Epq,gENSAL.PSIkd,gENSAL.PSIppq,hYGOV.SimpleLag1.state,hYGOV.q.y,hYGOV.g.state,hYGOV.Position_Limiter.y,sCRX.imLeadLag.TF.x_scaled[1],sCRX.simpleLagLim.state) * Number of discrete variables: 2 ($whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (98): * Single equations (assignments): 96 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {1 6,26 23} Notification: Performance of Backend phase and start with SimCode phase: time 0.0224/0.7378, allocations: 8.458 MB / 0.696 GB, free: 8.852 MB / 0.4948 GB Notification: Performance of simCode: created initialization part: time 0.01929/0.7571, allocations: 6.41 MB / 0.7023 GB, free: 2.395 MB / 0.4948 GB Notification: Performance of simCode: created event and clocks part: time 9.227e-06/0.7572, allocations: 0 / 0.7023 GB, free: 2.395 MB / 0.4948 GB Notification: Performance of simCode: created simulation system equations: time 0.007465/0.7646, allocations: 2.455 MB / 0.7047 GB, free: 15.91 MB / 0.5105 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001732/0.7664, allocations: 142 kB / 0.7048 GB, free: 15.77 MB / 0.5105 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01125/0.7777, allocations: 7.621 MB / 0.7122 GB, free: 7.984 MB / 0.5105 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000925/0.7786, allocations: 1.376 MB / 0.7136 GB, free: 6.578 MB / 0.5105 GB Notification: Performance of simCode: alias equations: time 0.0008986/0.7795, allocations: 191.4 kB / 0.7138 GB, free: 6.387 MB / 0.5105 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009028/0.7804, allocations: 0.7102 MB / 0.7145 GB, free: 5.676 MB / 0.5105 GB Notification: Performance of SimCode: time 9.92e-07/0.7804, allocations: 0 / 0.7145 GB, free: 5.676 MB / 0.5105 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08074/0.8612, allocations: 50.03 MB / 0.7633 GB, free: 3.809 MB / 0.5573 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.000158/0.8614, allocations: 199.1 kB / 0.7635 GB, free: 3.566 MB / 0.5573 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.849/4.71, allocations: 3.938 kB / 0.7635 GB, free: 3.562 MB / 0.5573 GB (rm -f OpenIPSL_release_OpenIPSL.Tests.Controls.PSSE.TG.HYGOV.pipe ; mkfifo OpenIPSL_release_OpenIPSL.Tests.Controls.PSSE.TG.HYGOV.pipe ; head -c 1048576 < OpenIPSL_release_OpenIPSL.Tests.Controls.PSSE.TG.HYGOV.pipe >> ../files/OpenIPSL_release_OpenIPSL.Tests.Controls.PSSE.TG.HYGOV.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_OpenIPSL_release_OpenIPSL_Tests_Controls_PSSE_TG_HYGOV_fmu --startTime=0 --stopTime=10 --timeout=50 --tolerance=1e-06 OpenIPSL_release_OpenIPSL_Tests_Controls_PSSE_TG_HYGOV.fmu > OpenIPSL_release_OpenIPSL.Tests.Controls.PSSE.TG.HYGOV.pipe 2>&1)