Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.2_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.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 3.2.3+maint.om/package.mo", uses=false) 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 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(Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_3.2.2_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects") translateModel(Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_3.2.2_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001473/0.001473, allocations: 110.5 kB / 17.06 MB, free: 6.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00164/0.00164, allocations: 198.9 kB / 18 MB, free: 5.172 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.514/1.514, allocations: 205.1 MB / 223.9 MB, free: 12.2 MB / 190.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001204/0.001204, allocations: 55.92 kB / 327.9 MB, free: 3.281 MB / 270.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1074/0.1086, allocations: 46.61 MB / 374.5 MB, free: 4.562 MB / 318.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects): time 0.2754/0.384, allocations: 17.59 MB / 392.1 MB, free: 3.074 MB / 318.1 MB Notification: Performance of NFInst.instExpressions: time 0.01859/0.4027, allocations: 5.722 MB / 397.8 MB, free: 15.26 MB / 334.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.006227/0.409, allocations: 145.8 kB / 397.9 MB, free: 15.23 MB / 334.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01184/0.4209, allocations: 5.224 MB / 403.2 MB, free: 12.78 MB / 334.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01171/0.4326, allocations: 3.14 MB / 406.3 MB, free: 10.82 MB / 334.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.004315/0.437, allocations: 1.413 MB / 407.7 MB, free: 9.871 MB / 334.1 MB Notification: Performance of NFFlatten.flatten: time 0.01856/0.4556, allocations: 10.08 MB / 417.8 MB, free: 4.297 MB / 334.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.009871/0.4655, allocations: 6.181 MB / 424 MB, free: 14.07 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.007801/0.4733, allocations: 3.084 MB / 427.1 MB, free: 10.98 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.006965/0.4803, allocations: 4.05 MB / 431.1 MB, free: 6.918 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002329/0.4827, allocations: 0.5898 MB / 431.7 MB, free: 6.328 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005076/0.4878, allocations: 1.88 MB / 433.6 MB, free: 4.445 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.004762/0.4926, allocations: 3.737 MB / 437.3 MB, free: 0.6992 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.006845/0.4994, allocations: 4.008 MB / 441.3 MB, free: 12.66 MB / 366.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01667/0.5161, allocations: 12.39 MB / 453.7 MB, free: 240 kB / 366.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.967e-06/0.5162, allocations: 7.938 kB / 453.7 MB, free: 232 kB / 366.1 MB Notification: Performance of FrontEnd: time 1.903e-06/0.5162, allocations: 0 / 453.7 MB, free: 232 kB / 366.1 MB Notification: Performance of Transformations before backend: time 0.000443/0.5166, allocations: 0 / 453.7 MB, free: 232 kB / 366.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2276 * Number of variables: 2276 Notification: Performance of Generate backend data structure: time 0.03488/0.5515, allocations: 9.514 MB / 463.2 MB, free: 6.621 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.802e-05/0.5516, allocations: 15.89 kB / 463.3 MB, free: 6.605 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.03449/0.5861, allocations: 8.706 MB / 472 MB, free: 13.88 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01904/0.6052, allocations: 7.402 MB / 479.4 MB, free: 6.402 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000428/0.6056, allocations: 377.8 kB / 479.7 MB, free: 6.031 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003005/0.6086, allocations: 0.6867 MB / 480.4 MB, free: 5.344 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03596/0.6446, allocations: 17.15 MB / 497.6 MB, free: 3.07 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.000271/0.6449, allocations: 87.16 kB / 497.7 MB, free: 2.984 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008866/0.6458, allocations: 243.8 kB / 497.9 MB, free: 2.746 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004421/0.6503, allocations: 2.774 MB / 0.4889 GB, free: 15.96 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0384/0.6887, allocations: 14.96 MB / 0.5035 GB, free: 0.9648 MB / 430.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.3922/1.081, allocations: 68.06 MB / 0.57 GB, free: 106.4 MB / 478.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.03282/1.114, allocations: 9.229 MB / 0.579 GB, free: 105.5 MB / 478.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.007174/1.121, allocations: 4.76 MB / 0.5837 GB, free: 103.6 MB / 478.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.001594/1.123, allocations: 1.035 MB / 0.5847 GB, free: 102.7 MB / 478.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.798e-05/1.123, allocations: 69.94 kB / 0.5847 GB, free: 102.6 MB / 478.1 MB Notification: Performance of pre-optimization done (n=268): time 5.3e-06/1.123, allocations: 0 / 0.5847 GB, free: 102.6 MB / 478.1 MB Notification: Performance of matching and sorting (n=351): time 0.1835/1.306, allocations: 59.86 MB / 0.6432 GB, free: 59.95 MB / 478.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0018/1.308, allocations: 3.422 MB / 0.6465 GB, free: 56.18 MB / 478.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.009248/1.317, allocations: 7.507 MB / 0.6539 GB, free: 48.71 MB / 478.1 MB Notification: Performance of collectPreVariables (initialization): time 0.001257/1.319, allocations: 77.7 kB / 0.6539 GB, free: 48.63 MB / 478.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.002658/1.321, allocations: 5.033 MB / 0.6589 GB, free: 43.61 MB / 478.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.001933/1.323, allocations: 1.355 MB / 0.6602 GB, free: 42.27 MB / 478.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002793/1.326, allocations: 2.167 MB / 0.6623 GB, free: 40.09 MB / 478.1 MB Notification: Performance of setup shared object (initialization): time 4.839e-05/1.326, allocations: 305.2 kB / 0.6626 GB, free: 39.79 MB / 478.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006348/1.333, allocations: 5.525 MB / 0.668 GB, free: 34.26 MB / 478.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01166/1.344, allocations: 10.84 MB / 0.6786 GB, free: 20.93 MB / 478.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01733/1.362, allocations: 17.25 MB / 0.6954 GB, free: 1.215 MB / 478.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001658/1.362, allocations: 55.94 kB / 0.6955 GB, free: 1.16 MB / 478.1 MB Notification: Performance of matching and sorting (n=1334) (initialization): time 0.08086/1.443, allocations: 34.82 MB / 0.7295 GB, free: 14.28 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001252/1.443, allocations: 84 kB / 0.7296 GB, free: 14.2 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.299/1.742, allocations: 23.69 MB / 0.7527 GB, free: 168.5 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04849/1.79, allocations: 17.86 MB / 0.7701 GB, free: 168.3 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008317/1.799, allocations: 2.393 MB / 0.7725 GB, free: 168.1 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04926/1.848, allocations: 41.45 MB / 0.8129 GB, free: 138.9 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00945/1.857, allocations: 0.8179 MB / 0.8137 GB, free: 138.1 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001866/1.859, allocations: 0.6155 MB / 0.8143 GB, free: 137.4 MB / 0.5137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 833 * Number of states: 0 () * Number of discrete variables: 63 (rotor1D.cylinderColor[3],rotor1D.cylinderColor[2],rotor1D.cylinderColor[1],bodyCylinder4.color[3],bodyCylinder4.color[2],bodyCylinder4.color[1],bodyCylinder4.body.sphereColor[3],bodyCylinder4.body.sphereColor[2],bodyCylinder4.body.sphereColor[1],fixedTranslation1.color[3],fixedTranslation1.color[2],fixedTranslation1.color[1],fixedRotation2.color[3],fixedRotation2.color[2],fixedRotation2.color[1],bodyCylinder3.color[3],bodyCylinder3.color[2],bodyCylinder3.color[1],bodyCylinder3.body.sphereColor[3],bodyCylinder3.body.sphereColor[2],bodyCylinder3.body.sphereColor[1],spherical2.sphereColor[3],spherical2.sphereColor[2],spherical2.sphereColor[1],fixed.color[3],fixed.color[2],fixed.color[1],bodyCylinder2.color[3],bodyCylinder2.color[2],bodyCylinder2.color[1],bodyCylinder2.body.sphereColor[3],bodyCylinder2.body.sphereColor[2],bodyCylinder2.body.sphereColor[1],fixedTranslation.color[3],fixedTranslation.color[2],fixedTranslation.color[1],revolute.cylinderColor[3],revolute.cylinderColor[2],revolute.cylinderColor[1],fixedRotation1.color[3],fixedRotation1.color[2],fixedRotation1.color[1],bodyCylinder1.color[3],bodyCylinder1.color[2],bodyCylinder1.color[1],bodyCylinder1.body.sphereColor[3],bodyCylinder1.body.sphereColor[2],bodyCylinder1.body.sphereColor[1],spherical1.sphereColor[3],spherical1.sphereColor[2],spherical1.sphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1168): * Single equations (assignments): 1151 * Array equations: 11 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(4,100.0%), (4,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(6,39,91.7%), (3,38,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(4,9), (4,9)} Notification: Performance of prepare postOptimizeDAE: time 0.005901/1.865, allocations: 3.441 MB / 0.8177 GB, free: 134.1 MB / 0.5137 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001516/1.867, allocations: 0.6567 MB / 0.8183 GB, free: 133.8 MB / 0.5137 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02252/1.889, allocations: 12.87 MB / 0.8309 GB, free: 120.9 MB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0194/1.909, allocations: 11.55 MB / 0.8422 GB, free: 109.3 MB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.175e-05/1.909, allocations: 23.94 kB / 0.8422 GB, free: 109.3 MB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.828e-05/1.909, allocations: 15.94 kB / 0.8422 GB, free: 109.3 MB / 0.5137 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04434/1.953, allocations: 27.02 MB / 0.8686 GB, free: 82.39 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.546e-05/1.953, allocations: 4 kB / 0.8686 GB, free: 82.38 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003939/1.957, allocations: 0.7602 MB / 0.8694 GB, free: 81.62 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01583/1.973, allocations: 5.322 MB / 0.8746 GB, free: 76.36 MB / 0.5137 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001036/1.974, allocations: 131.8 kB / 0.8747 GB, free: 76.23 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02914/2.003, allocations: 28.32 MB / 0.9023 GB, free: 47.47 MB / 0.5137 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.001554/2.005, allocations: 3.14 MB / 0.9054 GB, free: 44.05 MB / 0.5137 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02994/2.035, allocations: 19.03 MB / 0.924 GB, free: 25.23 MB / 0.5137 GB Notification: Performance of postOpt removeConstants (simulation): time 0.006075/2.041, allocations: 1.488 MB / 0.9254 GB, free: 23.72 MB / 0.5137 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003538/2.045, allocations: 83.98 kB / 0.9255 GB, free: 23.64 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.005991/2.051, allocations: 353.6 kB / 0.9259 GB, free: 23.29 MB / 0.5137 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00148/2.052, allocations: 298.6 kB / 0.9261 GB, free: 23 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004195/2.053, allocations: 135.8 kB / 0.9263 GB, free: 22.87 MB / 0.5137 GB Notification: Performance of sorting global known variables: time 0.007896/2.061, allocations: 4.77 MB / 0.9309 GB, free: 18.13 MB / 0.5137 GB Notification: Performance of sort global known variables: time 3.21e-07/2.061, allocations: 4 kB / 0.9309 GB, free: 18.13 MB / 0.5137 GB Notification: Performance of remove unused functions: time 0.2883/2.349, allocations: 2.278 MB / 0.9332 GB, free: 166.3 MB / 0.5137 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 16 ($STATESET2.x[3],$STATESET2.x[2],$STATESET2.x[1],bodyCylinder1.body.w_a[1],bodyCylinder1.body.w_a[2],bodyCylinder1.body.w_a[3],revolute.phi,revolute.w,$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],rotor1D.phi,rotor1D.w,rotor1D.rotorWith3DEffects.w_a[1],rotor1D.rotorWith3DEffects.w_a[2],rotor1D.rotorWith3DEffects.w_a[3]) * 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 (245): * Single equations (assignments): 235 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(4,100.0%), (4,100.0%)} * Non-linear Jacobian (size): 2 systems {4, 4} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(6,33,91.7%), (3,33,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001856/2.351, allocations: 223.1 kB / 0.9334 GB, free: 166.2 MB / 0.5137 GB Notification: Performance of simCode: created initialization part: time 0.03124/2.382, allocations: 14.11 MB / 0.9472 GB, free: 164.2 MB / 0.5137 GB Notification: Performance of simCode: created event and clocks part: time 1.451e-05/2.382, allocations: 1.594 kB / 0.9472 GB, free: 164.2 MB / 0.5137 GB Notification: Performance of simCode: created simulation system equations: time 0.01204/2.394, allocations: 5.932 MB / 0.953 GB, free: 161.6 MB / 0.5137 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.008503/2.403, allocations: 0.9866 MB / 0.9539 GB, free: 161.2 MB / 0.5137 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03414/2.437, allocations: 19.8 MB / 0.9732 GB, free: 153.2 MB / 0.5137 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.007202/2.444, allocations: 5.352 MB / 0.9785 GB, free: 151.4 MB / 0.5137 GB Notification: Performance of simCode: alias equations: time 0.007209/2.451, allocations: 3.204 MB / 0.9816 GB, free: 151.1 MB / 0.5137 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001961/2.453, allocations: 0.5526 MB / 0.9821 GB, free: 151.1 MB / 0.5137 GB Notification: Performance of SimCode: time 7.82e-07/2.453, allocations: 0 / 0.9821 GB, free: 151.1 MB / 0.5137 GB Notification: Performance of Templates: time 0.1801/2.633, allocations: 114.5 MB / 1.094 GB, free: 42.86 MB / 0.5137 GB make -j1 -f Modelica_3.2.2_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.makefile (rm -f Modelica_3.2.2_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.pipe ; mkfifo Modelica_3.2.2_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.pipe ; head -c 1048576 < Modelica_3.2.2_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.pipe >> ../files/Modelica_3.2.2_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.sim & ./Modelica_3.2.2_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects -abortSlowSimulation -alarm=480 -lv LOG_STATS > Modelica_3.2.2_Modelica.Mechanics.MultiBody.Examples.Rotational3DEffects.GyroscopicEffects.pipe 2>&1)