Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.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/Modelica 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/OpenIPSL 3.0.1/package.mo", uses=false) Using package OpenIPSL with version 3.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.0.1/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 Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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(OpenIPSL.Tests.Controls.PSSE.ES.ESST1A,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A") translateModel(OpenIPSL.Tests.Controls.PSSE.ES.ESST1A,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001045/0.001045, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.328/1.328, allocations: 222.9 MB / 239.2 MB, free: 4.574 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001431/0.001431, allocations: 184.5 kB / 289.5 MB, free: 2.309 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.0.1/package.mo): time 0.4334/0.4334, allocations: 78.53 MB / 418.2 MB, free: 3.23 MB / 286.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001471/0.001471, allocations: 75.88 kB / 497.4 MB, free: 6.375 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1326/0.1341, allocations: 68.19 MB / 0.5524 GB, free: 2.148 MB / 430.1 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Controls.PSSE.ES.ESST1A): time 0.2367/0.3708, allocations: 9.03 MB / 0.5612 GB, free: 34.7 MB / 430.1 MB Notification: Performance of NFInst.instExpressions: time 0.005509/0.3764, allocations: 2.934 MB / 0.564 GB, free: 33.98 MB / 430.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001532/0.3779, allocations: 21.12 kB / 0.5641 GB, free: 33.98 MB / 430.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0009746/0.3789, allocations: 366 kB / 0.5644 GB, free: 33.97 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003496/0.3825, allocations: 1.271 MB / 0.5657 GB, free: 33.46 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002123/0.3846, allocations: 0.9107 MB / 0.5665 GB, free: 33.37 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.003128/0.3878, allocations: 2.772 MB / 0.5693 GB, free: 32.89 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0007699/0.3886, allocations: 0.5361 MB / 0.5698 GB, free: 32.79 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001308/0.3899, allocations: 1.048 MB / 0.5708 GB, free: 32.54 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001246/0.3911, allocations: 1.303 MB / 0.5721 GB, free: 32.22 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0003528/0.3915, allocations: 222.3 kB / 0.5723 GB, free: 32.22 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.000732/0.3922, allocations: 398.4 kB / 0.5727 GB, free: 32.21 MB / 430.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0003639/0.3926, allocations: 0.5413 MB / 0.5732 GB, free: 32.09 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0007944/0.3934, allocations: 1.059 MB / 0.5742 GB, free: 31.72 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.002481/0.3959, allocations: 2.665 MB / 0.5768 GB, free: 30.72 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.051e-06/0.3959, allocations: 0 / 0.5768 GB, free: 30.72 MB / 430.1 MB Notification: Performance of FrontEnd: time 1.793e-06/0.396, allocations: 0 / 0.5768 GB, free: 30.72 MB / 430.1 MB Notification: Performance of Transformations before backend: time 5.695e-05/0.396, allocations: 0 / 0.5768 GB, free: 30.72 MB / 430.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 293 * Number of variables: 293 Notification: Performance of Generate backend data structure: time 0.0145/0.4105, allocations: 4.236 MB / 0.581 GB, free: 29.07 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.884e-05/0.4106, allocations: 8.188 kB / 0.581 GB, free: 29.07 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004743/0.4153, allocations: 0.7811 MB / 0.5817 GB, free: 28.88 MB / 430.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002388/0.4177, allocations: 1.311 MB / 0.583 GB, free: 28.07 MB / 430.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003951/0.4182, allocations: 0.4923 MB / 0.5835 GB, free: 27.6 MB / 430.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002547/0.4184, allocations: 131.9 kB / 0.5836 GB, free: 27.56 MB / 430.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003295/0.4217, allocations: 1.659 MB / 0.5852 GB, free: 26.9 MB / 430.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.513e-05/0.4218, allocations: 1.812 kB / 0.5852 GB, free: 26.9 MB / 430.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001388/0.4219, allocations: 45.47 kB / 0.5853 GB, free: 26.86 MB / 430.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.233e-05/0.4219, allocations: 28.12 kB / 0.5853 GB, free: 26.86 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003494/0.4254, allocations: 1.574 MB / 0.5869 GB, free: 26.33 MB / 430.1 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 0.01004/0.4355, allocations: 5.523 MB / 0.5922 GB, free: 23.29 MB / 430.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.009148/0.4447, allocations: 3.193 MB / 0.5954 GB, free: 22.02 MB / 430.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002751/0.4475, allocations: 1.009 MB / 0.5964 GB, free: 21.62 MB / 430.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.000159/0.4477, allocations: 28.52 kB / 0.5964 GB, free: 21.62 MB / 430.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002711/0.4504, allocations: 1.187 MB / 0.5975 GB, free: 21.17 MB / 430.1 MB Notification: Performance of pre-optimization done (n=143): time 3.757e-06/0.4504, allocations: 4 kB / 0.5975 GB, free: 21.17 MB / 430.1 MB Notification: Performance of matching and sorting (n=143): time 0.04653/0.4969, allocations: 10.96 MB / 0.6082 GB, free: 18.06 MB / 430.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.335e-05/0.497, allocations: 173.8 kB / 0.6084 GB, free: 17.87 MB / 430.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003061/0.5001, allocations: 1.668 MB / 0.61 GB, free: 16.97 MB / 430.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0005837/0.5007, allocations: 55.52 kB / 0.6101 GB, free: 16.92 MB / 430.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004763/0.5012, allocations: 0.6987 MB / 0.6108 GB, free: 16.29 MB / 430.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005879/0.5018, allocations: 0.5186 MB / 0.6113 GB, free: 15.83 MB / 430.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007509/0.5026, allocations: 382.2 kB / 0.6116 GB, free: 15.61 MB / 430.1 MB Notification: Performance of setup shared object (initialization): time 6.175e-05/0.5026, allocations: 302.1 kB / 0.6119 GB, free: 15.31 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002369/0.505, allocations: 1.106 MB / 0.613 GB, free: 14.75 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00248/0.5075, allocations: 1.332 MB / 0.6143 GB, free: 13.96 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.004561/0.5121, allocations: 2.311 MB / 0.6166 GB, free: 12.71 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.375e-06/0.5121, allocations: 5.156 kB / 0.6166 GB, free: 12.7 MB / 430.1 MB Notification: Performance of matching and sorting (n=268) (initialization): time 0.009208/0.5213, allocations: 4.117 MB / 0.6206 GB, free: 8.723 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.325e-05/0.5214, allocations: 8 kB / 0.6206 GB, free: 8.715 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.352e-05/0.5214, allocations: 4 kB / 0.6206 GB, free: 8.711 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.00972/0.5311, allocations: 3.211 MB / 0.6237 GB, free: 5.5 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001457/0.5326, allocations: 304.1 kB / 0.624 GB, free: 5.203 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007225/0.5398, allocations: 3.414 MB / 0.6274 GB, free: 1.766 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002879/0.5427, allocations: 302 kB / 0.6277 GB, free: 1.469 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001925/0.5429, allocations: 75.97 kB / 0.6277 GB, free: 1.395 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002493/0.5454, allocations: 1.317 MB / 0.629 GB, free: 72 kB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002483/0.5479, allocations: 1.284 MB / 0.6303 GB, free: 14.72 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004475/0.5524, allocations: 2.249 MB / 0.6325 GB, free: 12.43 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.059e-06/0.5525, allocations: 0 / 0.6325 GB, free: 12.43 MB / 446.1 MB Notification: Performance of matching and sorting (n=268) (initialization_lambda0): time 0.01109/0.5635, allocations: 4.195 MB / 0.6366 GB, free: 8.219 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 3.099e-05/0.5636, allocations: 7.938 kB / 0.6366 GB, free: 8.211 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.827e-05/0.5637, allocations: 4 kB / 0.6366 GB, free: 8.207 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01068/0.5744, allocations: 3.145 MB / 0.6396 GB, free: 5.062 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001667/0.5761, allocations: 307.6 kB / 0.6399 GB, free: 4.762 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007667/0.5838, allocations: 3.21 MB / 0.6431 GB, free: 1.523 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002672/0.5865, allocations: 262.5 kB / 0.6433 GB, free: 1.266 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001681/0.5866, allocations: 75.97 kB / 0.6434 GB, free: 1.191 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 2 ($whenCondition2,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (174): * Single equations (assignments): 173 * 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 {(34,61)} Notification: Performance of prepare postOptimizeDAE: time 0.0004619/0.5871, allocations: 271.9 kB / 0.6437 GB, free: 0.918 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003638/0.5875, allocations: 186.6 kB / 0.6438 GB, free: 0.7344 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01761/0.6051, allocations: 5.215 MB / 0.6489 GB, free: 11.49 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.291e-05/0.6052, allocations: 16 kB / 0.6489 GB, free: 11.48 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.018e-05/0.6052, allocations: 3.938 kB / 0.6489 GB, free: 11.47 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.733e-05/0.6052, allocations: 7.969 kB / 0.649 GB, free: 11.46 MB / 462.1 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 0.02141/0.6266, allocations: 7.542 MB / 0.6563 GB, free: 3.785 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.867e-05/0.6267, allocations: 7.938 kB / 0.6563 GB, free: 3.777 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001119/0.6278, allocations: 163.8 kB / 0.6565 GB, free: 3.617 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.008331/0.6362, allocations: 2.309 MB / 0.6587 GB, free: 1.305 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003209/0.6365, allocations: 35.98 kB / 0.6588 GB, free: 1.27 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03004/0.6666, allocations: 12.63 MB / 0.6711 GB, free: 4.355 MB / 478.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.009e-06/0.6666, allocations: 6.516 kB / 0.6711 GB, free: 4.352 MB / 478.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02053/0.6872, allocations: 6.487 MB / 0.6774 GB, free: 13.83 MB / 494.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.000873/0.6881, allocations: 306.4 kB / 0.6777 GB, free: 13.51 MB / 494.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003395/0.6884, allocations: 32.92 kB / 0.6778 GB, free: 13.48 MB / 494.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001853/0.6903, allocations: 171.8 kB / 0.6779 GB, free: 13.31 MB / 494.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008899/0.6912, allocations: 277.3 kB / 0.6782 GB, free: 13.04 MB / 494.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001106/0.6913, allocations: 43.98 kB / 0.6782 GB, free: 12.99 MB / 494.1 MB Notification: Performance of sorting global known variables: time 0.001858/0.6932, allocations: 1.129 MB / 0.6793 GB, free: 11.87 MB / 494.1 MB Notification: Performance of sort global known variables: time 1.9e-07/0.6932, allocations: 0 / 0.6793 GB, free: 11.87 MB / 494.1 MB Notification: Performance of remove unused functions: time 0.002292/0.6955, allocations: 0.9558 MB / 0.6803 GB, free: 10.91 MB / 494.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 14 (gENCLS.omega,gENCLS.delta,gENCLS.eq,gENROE.w,gENROE.delta,gENROE.Epd,gENROE.Epq,gENROE.PSIkd,gENROE.PSIkq,eSST1A.imDerivativeLag.x,eSST1A.imLeadLag.TF.x_scaled[1],eSST1A.imLeadLag1.TF.x_scaled[1],eSST1A.simpleLagLim.state,eSST1A.TransducerDelay.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 (91): * Single equations (assignments): 89 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,9), (26,23)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003598/0.6959, allocations: 160.8 kB / 0.6804 GB, free: 10.75 MB / 494.1 MB Notification: Performance of simCode: created initialization part: time 0.01791/0.7138, allocations: 5.44 MB / 0.6857 GB, free: 5.32 MB / 494.1 MB Notification: Performance of simCode: created event and clocks part: time 8.015e-06/0.7138, allocations: 0.75 kB / 0.6857 GB, free: 5.32 MB / 494.1 MB Notification: Performance of simCode: created simulation system equations: time 0.007076/0.7209, allocations: 2.212 MB / 0.6879 GB, free: 3.086 MB / 494.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001599/0.7226, allocations: 184.2 kB / 0.6881 GB, free: 2.91 MB / 494.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00717/0.7297, allocations: 3.574 MB / 0.6916 GB, free: 15.38 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001306/0.7311, allocations: 1.337 MB / 0.6929 GB, free: 14.01 MB / 0.4981 GB Notification: Performance of simCode: alias equations: time 0.00165/0.7327, allocations: 201.9 kB / 0.6931 GB, free: 13.81 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005385/0.7333, allocations: 107.4 kB / 0.6932 GB, free: 13.71 MB / 0.4981 GB Notification: Performance of SimCode: time 1.102e-06/0.7333, allocations: 0 / 0.6932 GB, free: 13.71 MB / 0.4981 GB Notification: Performance of Templates: time 0.106/0.8393, allocations: 42.6 MB / 0.7348 GB, free: 3.246 MB / 0.5294 GB make -j1 -f OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.makefile (rm -f OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe ; mkfifo OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe ; head -c 1048576 < OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe >> ../files/OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.sim & ./OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A -abortSlowSimulation -alarm=480 -lv LOG_STATS > OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe 2>&1)