Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXST1.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.EXST1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXST1") translateModel(OpenIPSL.Tests.Controls.PSSE.ES.EXST1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXST1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001102/0.001102, allocations: 108.7 kB / 16.37 MB, free: 6.016 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.398/1.398, allocations: 222.9 MB / 240 MB, free: 4.551 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001367/0.001367, allocations: 188.5 kB / 290.3 MB, free: 2.281 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.0.1/package.mo): time 0.4696/0.4696, allocations: 78.53 MB / 419 MB, free: 3.156 MB / 286.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001601/0.001601, allocations: 79.88 kB / 498.9 MB, free: 5.652 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1347/0.1363, allocations: 68.18 MB / 0.5538 GB, free: 1.438 MB / 430.1 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Controls.PSSE.ES.EXST1): time 0.2521/0.3885, allocations: 8.33 MB / 0.5619 GB, free: 35.04 MB / 430.1 MB Notification: Performance of NFInst.instExpressions: time 0.006354/0.3949, allocations: 2.658 MB / 0.5645 GB, free: 34.34 MB / 430.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001919/0.3969, allocations: 12.72 kB / 0.5645 GB, free: 34.34 MB / 430.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0009777/0.3978, allocations: 322.2 kB / 0.5648 GB, free: 34.33 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003437/0.4013, allocations: 1.217 MB / 0.566 GB, free: 33.88 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001668/0.403, allocations: 0.7472 MB / 0.5668 GB, free: 33.8 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.002808/0.4058, allocations: 2.425 MB / 0.5691 GB, free: 33.35 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0005687/0.4064, allocations: 419 kB / 0.5695 GB, free: 33.27 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001011/0.4074, allocations: 0.9126 MB / 0.5704 GB, free: 33.05 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001013/0.4085, allocations: 1.164 MB / 0.5716 GB, free: 32.77 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002214/0.4087, allocations: 186.9 kB / 0.5717 GB, free: 32.77 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0006035/0.4093, allocations: 372.9 kB / 0.5721 GB, free: 32.75 MB / 430.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0003111/0.4096, allocations: 477.7 kB / 0.5725 GB, free: 32.65 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0005929/0.4102, allocations: 0.9298 MB / 0.5735 GB, free: 32.32 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001752/0.412, allocations: 2.341 MB / 0.5757 GB, free: 31.82 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.658e-06/0.412, allocations: 0.7812 kB / 0.5757 GB, free: 31.82 MB / 430.1 MB Notification: Performance of FrontEnd: time 2.274e-06/0.412, allocations: 0 / 0.5757 GB, free: 31.82 MB / 430.1 MB Notification: Performance of Transformations before backend: time 2.089e-05/0.412, allocations: 0.5312 kB / 0.5757 GB, free: 31.82 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: 249 * Number of variables: 249 Notification: Performance of Generate backend data structure: time 0.0134/0.4254, allocations: 3.94 MB / 0.5796 GB, free: 30.54 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.737e-05/0.4255, allocations: 10.97 kB / 0.5796 GB, free: 30.54 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004553/0.4301, allocations: 0.7532 MB / 0.5803 GB, free: 30.37 MB / 430.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002316/0.4324, allocations: 1.153 MB / 0.5815 GB, free: 29.63 MB / 430.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004623/0.4329, allocations: 495.7 kB / 0.5819 GB, free: 29.18 MB / 430.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002035/0.4331, allocations: 115.7 kB / 0.582 GB, free: 29.14 MB / 430.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002771/0.4359, allocations: 1.482 MB / 0.5835 GB, free: 28.58 MB / 430.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.155e-05/0.4359, allocations: 4.656 kB / 0.5835 GB, free: 28.58 MB / 430.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001147/0.436, allocations: 41.31 kB / 0.5835 GB, free: 28.55 MB / 430.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.156e-05/0.4361, allocations: 24.31 kB / 0.5836 GB, free: 28.55 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003253/0.4393, allocations: 1.446 MB / 0.585 GB, free: 28.08 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 0.008212/0.4475, allocations: 4.934 MB / 0.5898 GB, free: 25.29 MB / 430.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.008136/0.4557, allocations: 3.008 MB / 0.5927 GB, free: 24.11 MB / 430.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002285/0.458, allocations: 0.977 MB / 0.5937 GB, free: 23.72 MB / 430.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001704/0.4582, allocations: 25.41 kB / 0.5937 GB, free: 23.71 MB / 430.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.652e-05/0.4583, allocations: 55.78 kB / 0.5938 GB, free: 23.66 MB / 430.1 MB Notification: Performance of pre-optimization done (n=128): time 3.206e-06/0.4583, allocations: 0 / 0.5938 GB, free: 23.66 MB / 430.1 MB Notification: Performance of matching and sorting (n=128): time 0.05353/0.5118, allocations: 10 MB / 0.6035 GB, free: 21.9 MB / 430.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.529e-05/0.5119, allocations: 143 kB / 0.6037 GB, free: 21.74 MB / 430.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00315/0.5151, allocations: 1.452 MB / 0.6051 GB, free: 21.02 MB / 430.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0004248/0.5155, allocations: 51.23 kB / 0.6051 GB, free: 20.96 MB / 430.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005062/0.516, allocations: 0.613 MB / 0.6057 GB, free: 20.42 MB / 430.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005608/0.5166, allocations: 473.3 kB / 0.6062 GB, free: 20.01 MB / 430.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000887/0.5175, allocations: 345.8 kB / 0.6065 GB, free: 19.81 MB / 430.1 MB Notification: Performance of setup shared object (initialization): time 5.245e-05/0.5176, allocations: 306.2 kB / 0.6068 GB, free: 19.51 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003276/0.5209, allocations: 1.039 MB / 0.6078 GB, free: 18.99 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003473/0.5243, allocations: 1.244 MB / 0.609 GB, free: 18.27 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.006486/0.5308, allocations: 2.192 MB / 0.6112 GB, free: 17.08 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.262e-05/0.5309, allocations: 1.312 kB / 0.6112 GB, free: 17.08 MB / 430.1 MB Notification: Performance of matching and sorting (n=244) (initialization): time 0.01227/0.5432, allocations: 3.906 MB / 0.615 GB, free: 15.15 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.715e-05/0.5432, allocations: 6.562 kB / 0.615 GB, free: 15.15 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.558e-05/0.5433, allocations: 4.125 kB / 0.615 GB, free: 15.15 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.009301/0.5526, allocations: 3.052 MB / 0.618 GB, free: 12.53 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001551/0.5542, allocations: 300.4 kB / 0.6183 GB, free: 12.23 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007702/0.5619, allocations: 3.231 MB / 0.6214 GB, free: 8.973 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002737/0.5647, allocations: 262.3 kB / 0.6217 GB, free: 8.715 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002232/0.5649, allocations: 63.98 kB / 0.6217 GB, free: 8.652 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002507/0.5674, allocations: 1.247 MB / 0.6229 GB, free: 7.402 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002076/0.5695, allocations: 1.23 MB / 0.6241 GB, free: 6.125 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003829/0.5734, allocations: 2.175 MB / 0.6263 GB, free: 3.906 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.442e-06/0.5734, allocations: 0 / 0.6263 GB, free: 3.906 MB / 430.1 MB Notification: Performance of matching and sorting (n=244) (initialization_lambda0): time 0.008593/0.582, allocations: 3.871 MB / 0.63 GB, free: 24 kB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.214e-05/0.582, allocations: 8 kB / 0.6301 GB, free: 16 kB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.124e-05/0.5821, allocations: 4 kB / 0.6301 GB, free: 12 kB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01004/0.5921, allocations: 3.043 MB / 0.633 GB, free: 12.96 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001511/0.5937, allocations: 296.5 kB / 0.6333 GB, free: 12.68 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007996/0.6017, allocations: 3.191 MB / 0.6364 GB, free: 9.457 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002569/0.6043, allocations: 242.5 kB / 0.6367 GB, free: 9.219 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002019/0.6045, allocations: 64.69 kB / 0.6367 GB, free: 9.156 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: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (171): * Single equations (assignments): 170 * 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 {(34,40)} Notification: Performance of prepare postOptimizeDAE: time 0.0004645/0.605, allocations: 267.8 kB / 0.637 GB, free: 8.887 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004386/0.6054, allocations: 165.9 kB / 0.6371 GB, free: 8.723 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01604/0.6215, allocations: 4.985 MB / 0.642 GB, free: 3.707 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.096e-05/0.6215, allocations: 15.98 kB / 0.642 GB, free: 3.691 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.321e-05/0.6216, allocations: 4 kB / 0.642 GB, free: 3.688 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.145e-05/0.6216, allocations: 5.062 kB / 0.642 GB, free: 3.684 MB / 446.1 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 0.02026/0.6419, allocations: 7.259 MB / 0.6491 GB, free: 12.28 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.348e-05/0.6419, allocations: 1.406 kB / 0.6491 GB, free: 12.28 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002401/0.6443, allocations: 447.5 kB / 0.6495 GB, free: 11.84 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.007312/0.6517, allocations: 2.241 MB / 0.6517 GB, free: 9.598 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000218/0.6519, allocations: 24 kB / 0.6518 GB, free: 9.574 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02991/0.6818, allocations: 14.08 MB / 0.6655 GB, free: 11.08 MB / 478.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.367e-06/0.6819, allocations: 0.8438 kB / 0.6655 GB, free: 11.08 MB / 478.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01963/0.7015, allocations: 6.311 MB / 0.6717 GB, free: 4.734 MB / 478.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0006974/0.7022, allocations: 278.7 kB / 0.6719 GB, free: 4.441 MB / 478.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002772/0.7025, allocations: 20 kB / 0.672 GB, free: 4.422 MB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001712/0.7042, allocations: 147.8 kB / 0.6721 GB, free: 4.277 MB / 478.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008452/0.7051, allocations: 274.2 kB / 0.6724 GB, free: 4.012 MB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001185/0.7052, allocations: 32 kB / 0.6724 GB, free: 3.98 MB / 478.1 MB Notification: Performance of sorting global known variables: time 0.001552/0.7068, allocations: 0.9785 MB / 0.6733 GB, free: 3.004 MB / 478.1 MB Notification: Performance of sort global known variables: time 2.91e-07/0.7068, allocations: 0 / 0.6733 GB, free: 3.004 MB / 478.1 MB Notification: Performance of remove unused functions: time 0.002495/0.7093, allocations: 0.8699 MB / 0.6742 GB, free: 2.133 MB / 478.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 13 (gENCLS.delta,gENCLS.eq,gENROE.w,gENROE.delta,gENROE.Epd,gENROE.Epq,gENROE.PSIkd,gENROE.PSIkq,eXST1.imLeadLag.TF.x_scaled[1],eXST1.Vm1.state,eXST1.imDerivativeLag.x,eXST1.TransducerDelay.state,gENCLS.omega) * 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 (79): * Single equations (assignments): 76 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems 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 {(1,6), (26,23)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003198/0.7096, allocations: 152.4 kB / 0.6743 GB, free: 1.977 MB / 478.1 MB Notification: Performance of simCode: created initialization part: time 0.01781/0.7274, allocations: 5.37 MB / 0.6796 GB, free: 12.61 MB / 494.1 MB Notification: Performance of simCode: created event and clocks part: time 6.522e-06/0.7275, allocations: 0.875 kB / 0.6796 GB, free: 12.61 MB / 494.1 MB Notification: Performance of simCode: created simulation system equations: time 0.008188/0.7357, allocations: 2.401 MB / 0.6819 GB, free: 10.19 MB / 494.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001396/0.7371, allocations: 148.5 kB / 0.6821 GB, free: 10.05 MB / 494.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005889/0.743, allocations: 3.182 MB / 0.6852 GB, free: 6.91 MB / 494.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007937/0.7438, allocations: 1.25 MB / 0.6864 GB, free: 5.629 MB / 494.1 MB Notification: Performance of simCode: alias equations: time 0.0007567/0.7446, allocations: 174.3 kB / 0.6866 GB, free: 5.461 MB / 494.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003335/0.7449, allocations: 95.42 kB / 0.6867 GB, free: 5.367 MB / 494.1 MB Notification: Performance of SimCode: time 8.21e-07/0.7449, allocations: 0 / 0.6867 GB, free: 5.367 MB / 494.1 MB Notification: Performance of Templates: time 0.05609/0.801, allocations: 38.6 MB / 0.7243 GB, free: 14.92 MB / 0.5294 GB make -j1 -f OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXST1.makefile (rm -f OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXST1.pipe ; mkfifo OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXST1.pipe ; head -c 1048576 < OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXST1.pipe >> ../files/OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXST1.sim & ./OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXST1 -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXST1.pipe 2>&1)