Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/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) 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(BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid") translateModel(BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001324/0.001324, allocations: 108.6 kB / 16.41 MB, free: 6.496 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001373/0.001373, allocations: 188 kB / 17.34 MB, free: 5.727 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.42/1.42, allocations: 222.9 MB / 241 MB, free: 15.07 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002563/0.002563, allocations: 297.2 kB / 291.5 MB, free: 14.43 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.041/1.041, allocations: 169.3 MB / 0.499 GB, free: 4.402 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002803/0.002803, allocations: 95.84 kB / 0.6821 GB, free: 6.965 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4522/0.455, allocations: 86.98 MB / 0.767 GB, free: 3.898 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid): time 0.004474/0.4594, allocations: 2.884 MB / 0.7699 GB, free: 1 MB / 0.5294 GB Notification: Performance of NFInst.instExpressions: time 0.002659/0.4621, allocations: 1.655 MB / 0.7715 GB, free: 15.34 MB / 0.545 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001037/0.4622, allocations: 4 kB / 0.7715 GB, free: 15.33 MB / 0.545 GB Notification: Performance of NFTyping.typeComponents: time 0.0007793/0.463, allocations: 235 kB / 0.7717 GB, free: 15.1 MB / 0.545 GB Notification: Performance of NFTyping.typeBindings: time 0.0003783/0.4634, allocations: 179.2 kB / 0.7719 GB, free: 14.93 MB / 0.545 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004785/0.4638, allocations: 235.4 kB / 0.7721 GB, free: 14.7 MB / 0.545 GB Notification: Performance of NFFlatten.flatten: time 0.0003719/0.4642, allocations: 307 kB / 0.7724 GB, free: 14.39 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003186/0.4645, allocations: 158.1 kB / 0.7725 GB, free: 14.24 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001831/0.4647, allocations: 123.6 kB / 0.7727 GB, free: 14.12 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002708/0.465, allocations: 147.4 kB / 0.7728 GB, free: 13.97 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 3.363e-05/0.465, allocations: 20 kB / 0.7728 GB, free: 13.95 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003658/0.4654, allocations: 251.5 kB / 0.7731 GB, free: 13.71 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 9.658e-05/0.4655, allocations: 87.72 kB / 0.7731 GB, free: 13.62 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.0001241/0.4656, allocations: 115.4 kB / 0.7732 GB, free: 13.51 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.0005208/0.4661, allocations: 416.4 kB / 0.7736 GB, free: 13.11 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 3.927e-06/0.4661, allocations: 8 kB / 0.7737 GB, free: 13.1 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.082e-06/0.4661, allocations: 0 / 0.7737 GB, free: 13.1 MB / 0.545 GB Notification: Performance of Transformations before backend: time 6.222e-06/0.4661, allocations: 0 / 0.7737 GB, free: 13.1 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 53 * Number of variables: 53 Notification: Performance of Generate backend data structure: time 0.000908/0.467, allocations: 0.553 MB / 0.7742 GB, free: 12.49 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 3.116e-05/0.4671, allocations: 8.031 kB / 0.7742 GB, free: 12.48 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007072/0.4678, allocations: 88.7 kB / 0.7743 GB, free: 12.4 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003798/0.4682, allocations: 274.3 kB / 0.7745 GB, free: 12.09 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.919e-05/0.4682, allocations: 12.75 kB / 0.7746 GB, free: 12.08 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.253e-05/0.4682, allocations: 20.38 kB / 0.7746 GB, free: 12.06 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006623/0.4689, allocations: 378.5 kB / 0.7749 GB, free: 11.66 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.577e-05/0.4689, allocations: 4 kB / 0.7749 GB, free: 11.66 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.128e-05/0.4689, allocations: 8 kB / 0.775 GB, free: 11.65 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.794e-05/0.469, allocations: 24.31 kB / 0.775 GB, free: 11.62 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006317/0.4696, allocations: 324.6 kB / 0.7753 GB, free: 11.3 MB / 0.545 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001952/0.4716, allocations: 1.721 MB / 0.777 GB, free: 9.449 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007384/0.4723, allocations: 309.1 kB / 0.7773 GB, free: 9.129 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00027/0.4726, allocations: 145.6 kB / 0.7774 GB, free: 8.98 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001401/0.4727, allocations: 89.09 kB / 0.7775 GB, free: 8.875 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.922e-05/0.4728, allocations: 30.56 kB / 0.7775 GB, free: 8.836 MB / 0.545 GB Notification: Performance of pre-optimization done (n=20): time 3.216e-06/0.4728, allocations: 3.984 kB / 0.7775 GB, free: 8.832 MB / 0.545 GB Notification: Performance of matching and sorting (n=21): time 0.001386/0.4741, allocations: 0.6067 MB / 0.7781 GB, free: 8.199 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.925e-05/0.4742, allocations: 85.05 kB / 0.7782 GB, free: 8.098 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002083/0.4744, allocations: 204.5 kB / 0.7784 GB, free: 7.891 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 2.727e-05/0.4744, allocations: 25.7 kB / 0.7784 GB, free: 7.859 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001065/0.4745, allocations: 160.2 kB / 0.7786 GB, free: 7.699 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 6.942e-05/0.4746, allocations: 79.36 kB / 0.7786 GB, free: 7.621 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.952e-05/0.4747, allocations: 61.94 kB / 0.7787 GB, free: 7.555 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.0001431/0.4748, allocations: 330.8 kB / 0.779 GB, free: 7.223 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002691/0.4751, allocations: 133.9 kB / 0.7791 GB, free: 7.09 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000319/0.4754, allocations: 211.3 kB / 0.7793 GB, free: 6.848 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000605/0.476, allocations: 367.6 kB / 0.7797 GB, free: 6.453 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.493e-06/0.476, allocations: 4 kB / 0.7797 GB, free: 6.449 MB / 0.545 GB Notification: Performance of matching and sorting (n=33) (initialization): time 0.0008253/0.4769, allocations: 424 kB / 0.7801 GB, free: 6.027 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 1.446e-05/0.4769, allocations: 4.344 kB / 0.7801 GB, free: 6.023 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.673e-06/0.4769, allocations: 8 kB / 0.7801 GB, free: 6.016 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002092/0.4771, allocations: 36.83 kB / 0.7801 GB, free: 5.977 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000319/0.4774, allocations: 75.88 kB / 0.7802 GB, free: 5.902 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001539/0.479, allocations: 1.615 MB / 0.7818 GB, free: 4.141 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002359/0.4792, allocations: 27.98 kB / 0.7818 GB, free: 4.113 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.51e-05/0.4792, allocations: 12 kB / 0.7818 GB, free: 4.102 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003352/0.4795, allocations: 240.5 kB / 0.7821 GB, free: 3.863 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003051/0.4799, allocations: 211.9 kB / 0.7823 GB, free: 3.617 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005674/0.4804, allocations: 350.8 kB / 0.7826 GB, free: 3.234 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.573e-06/0.4804, allocations: 0 / 0.7826 GB, free: 3.234 MB / 0.545 GB Notification: Performance of matching and sorting (n=33) (initialization_lambda0): time 0.0007765/0.4812, allocations: 411.9 kB / 0.783 GB, free: 2.824 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 1.016e-05/0.4812, allocations: 8 kB / 0.783 GB, free: 2.816 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.544e-06/0.4812, allocations: 0 / 0.783 GB, free: 2.816 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001417/0.4814, allocations: 48.81 kB / 0.783 GB, free: 2.766 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002869/0.4816, allocations: 68.23 kB / 0.7831 GB, free: 2.699 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00146/0.4831, allocations: 1.615 MB / 0.7847 GB, free: 0.9375 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002134/0.4833, allocations: 23.97 kB / 0.7847 GB, free: 0.9141 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.476e-05/0.4833, allocations: 12 kB / 0.7847 GB, free: 0.9023 MB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * 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 (31): * Single equations (assignments): 30 * 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): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0001422/0.4835, allocations: 196.1 kB / 0.7849 GB, free: 0.7031 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.335e-05/0.4836, allocations: 27.8 kB / 0.7849 GB, free: 0.6758 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007481/0.4843, allocations: 352.1 kB / 0.7853 GB, free: 328 kB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.832e-06/0.4843, allocations: 7.984 kB / 0.7853 GB, free: 320 kB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.084e-06/0.4843, allocations: 0 / 0.7853 GB, free: 320 kB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.406e-06/0.4843, allocations: 0 / 0.7853 GB, free: 320 kB / 0.545 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00158/0.4859, allocations: 0.9668 MB / 0.7862 GB, free: 15.27 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.574e-06/0.4859, allocations: 0 / 0.7862 GB, free: 15.27 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002388/0.4861, allocations: 55.83 kB / 0.7863 GB, free: 15.21 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001222/0.4863, allocations: 45.05 kB / 0.7863 GB, free: 15.17 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.132e-05/0.4863, allocations: 8.062 kB / 0.7863 GB, free: 15.16 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00126/0.4875, allocations: 1.516 MB / 0.7878 GB, free: 13.5 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.603e-06/0.4875, allocations: 0 / 0.7878 GB, free: 13.5 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007593/0.4883, allocations: 0.5338 MB / 0.7883 GB, free: 12.93 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001426/0.4884, allocations: 128.8 kB / 0.7885 GB, free: 12.79 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.343e-05/0.4885, allocations: 11.94 kB / 0.7885 GB, free: 12.77 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002393/0.4887, allocations: 23.97 kB / 0.7885 GB, free: 12.75 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.625e-05/0.4888, allocations: 19.97 kB / 0.7885 GB, free: 12.73 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.815e-05/0.4888, allocations: 12 kB / 0.7885 GB, free: 12.72 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.0001458/0.4889, allocations: 151.7 kB / 0.7887 GB, free: 12.57 MB / 0.5606 GB Notification: Performance of sort global known variables: time 1.01e-07/0.4889, allocations: 0 / 0.7887 GB, free: 12.57 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.0005725/0.4895, allocations: 104 kB / 0.7888 GB, free: 12.47 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * 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 (21): * Single equations (assignments): 20 * 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): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0001512/0.4897, allocations: 111.8 kB / 0.7889 GB, free: 12.35 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.001321/0.491, allocations: 0.7108 MB / 0.7896 GB, free: 11.62 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 4.088e-06/0.491, allocations: 8.062 kB / 0.7896 GB, free: 11.61 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.0004211/0.4914, allocations: 270.4 kB / 0.7898 GB, free: 11.33 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000481/0.4919, allocations: 41.23 kB / 0.7899 GB, free: 11.3 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0009498/0.4928, allocations: 0.5477 MB / 0.7904 GB, free: 10.7 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004085/0.4933, allocations: 0.7717 MB / 0.7912 GB, free: 9.906 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.0002299/0.4935, allocations: 89.8 kB / 0.7912 GB, free: 9.816 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.977e-05/0.4936, allocations: 19.44 kB / 0.7913 GB, free: 9.797 MB / 0.5606 GB Notification: Performance of SimCode: time 3.1e-07/0.4936, allocations: 0 / 0.7913 GB, free: 9.797 MB / 0.5606 GB Notification: Performance of Templates: time 0.007521/0.5011, allocations: 3.373 MB / 0.7946 GB, free: 6.434 MB / 0.5606 GB make -j1 -f BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.makefile (rm -f BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.sim & ./BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe 2>&1)