Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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: "" <> buildModelFMU(IDEAS.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves,fileNamePrefix="IDEAS_IDEAS_Fluid_Movers_Examples_SpeedControlled_y_pumpCurves",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves,fileNamePrefix="IDEAS_IDEAS_Fluid_Movers_Examples_SpeedControlled_y_pumpCurves",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.005123/0.005123, allocations: 99.98 kB / 15.73 MB, free: 6.047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001235/0.001235, allocations: 195.4 kB / 16.67 MB, free: 5.949 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.359/1.359, allocations: 222.9 MB / 240.4 MB, free: 15.09 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.8359/0.8359, allocations: 132.2 MB / 422.7 MB, free: 6.523 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002583/0.002584, allocations: 67.98 kB / 0.5809 GB, free: 24.09 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1605/0.1631, allocations: 80.21 MB / 0.6592 GB, free: 10.74 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves): time 0.4771/0.6402, allocations: 104.9 MB / 0.7617 GB, free: 2.887 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.04305/0.6833, allocations: 32.91 MB / 0.7938 GB, free: 1.281 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.008231/0.6916, allocations: 155.7 kB / 0.794 GB, free: 1.281 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.006095/0.6977, allocations: 2.008 MB / 0.7959 GB, free: 0.8555 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.01462/0.7124, allocations: 5.019 MB / 0.8008 GB, free: 14.92 MB / 0.5919 GB Notification: Performance of NFTyping.typeClassSections: time 0.01171/0.7241, allocations: 3.899 MB / 0.8046 GB, free: 13.19 MB / 0.5919 GB Notification: Performance of NFFlatten.flatten: time 0.01778/0.7419, allocations: 9.549 MB / 0.8139 GB, free: 8.348 MB / 0.5919 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006615/0.7486, allocations: 3.53 MB / 0.8174 GB, free: 6.086 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01078/0.7594, allocations: 4.015 MB / 0.8213 GB, free: 3.895 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00646/0.7659, allocations: 3.039 MB / 0.8243 GB, free: 2.223 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.001456/0.7673, allocations: 411.7 kB / 0.8247 GB, free: 2.223 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.008055/0.7754, allocations: 2.64 MB / 0.8273 GB, free: 1.031 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.002113/0.7776, allocations: 1.323 MB / 0.8285 GB, free: 68 kB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.00458/0.7822, allocations: 2.353 MB / 0.8308 GB, free: 14.46 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.01381/0.796, allocations: 7.479 MB / 0.8381 GB, free: 8.172 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 6.262e-06/0.796, allocations: 4 kB / 0.8382 GB, free: 8.168 MB / 0.6075 GB Notification: Performance of FrontEnd: time 1.743e-06/0.7961, allocations: 0 / 0.8382 GB, free: 8.168 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 0.0002206/0.7963, allocations: 0 / 0.8382 GB, free: 8.168 MB / 0.6075 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 529 * Number of variables: 529 Notification: Performance of Generate backend data structure: time 0.01176/0.808, allocations: 5.228 MB / 0.8433 GB, free: 2.91 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 5.179e-05/0.8081, allocations: 8.031 kB / 0.8433 GB, free: 2.902 MB / 0.6075 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004341/0.8086, allocations: 291.6 kB / 0.8435 GB, free: 2.605 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006547/0.8151, allocations: 1.199 MB / 0.8447 GB, free: 1.402 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01066/0.8258, allocations: 4.308 MB / 0.8489 GB, free: 13.11 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002993/0.8262, allocations: 184.2 kB / 0.8491 GB, free: 12.93 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008709/0.827, allocations: 228 kB / 0.8493 GB, free: 12.71 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006087/0.8331, allocations: 2.73 MB / 0.852 GB, free: 9.844 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.672e-05/0.8332, allocations: 7.938 kB / 0.852 GB, free: 9.836 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002203/0.8334, allocations: 84 kB / 0.8521 GB, free: 9.754 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.693e-05/0.8335, allocations: 63.88 kB / 0.8521 GB, free: 9.691 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004865/0.8384, allocations: 1.955 MB / 0.854 GB, free: 7.734 MB / 0.6231 GB 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 0.01868/0.8571, allocations: 12.67 MB / 0.8664 GB, free: 10.31 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003777/0.8609, allocations: 1.521 MB / 0.8679 GB, free: 8.789 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001746/0.8626, allocations: 0.711 MB / 0.8686 GB, free: 8.078 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006942/0.8696, allocations: 3.991 MB / 0.8725 GB, free: 3.801 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.538e-05/0.8697, allocations: 47.5 kB / 0.8725 GB, free: 3.746 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=107): time 2.775e-06/0.8697, allocations: 0 / 0.8725 GB, free: 3.746 MB / 0.6387 GB Notification: Performance of matching and sorting (n=107): time 0.009567/0.8793, allocations: 3.047 MB / 0.8755 GB, free: 0.6289 MB / 0.6387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.396e-05/0.8793, allocations: 64.41 kB / 0.8756 GB, free: 0.5547 MB / 0.6387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005419/0.8848, allocations: 3.479 MB / 0.879 GB, free: 13.06 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 0.0003319/0.8851, allocations: 53.7 kB / 0.879 GB, free: 13 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.001711/0.8868, allocations: 1.805 MB / 0.8808 GB, free: 11.2 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005035/0.8874, allocations: 385.1 kB / 0.8811 GB, free: 10.82 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007889/0.8881, allocations: 479.2 kB / 0.8816 GB, free: 10.35 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 0.0001536/0.8883, allocations: 305.1 kB / 0.8819 GB, free: 10.05 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002604/0.8909, allocations: 1.184 MB / 0.8831 GB, free: 8.863 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003282/0.8942, allocations: 1.886 MB / 0.8849 GB, free: 6.672 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005475/0.8997, allocations: 2.952 MB / 0.8878 GB, free: 3.469 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.228e-05/0.8997, allocations: 4 kB / 0.8878 GB, free: 3.465 MB / 0.6544 GB Notification: Performance of matching and sorting (n=239) (initialization): time 0.007895/0.9076, allocations: 3.786 MB / 0.8915 GB, free: 15.66 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 3.216e-05/0.9077, allocations: 13.72 kB / 0.8915 GB, free: 15.64 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.825e-05/0.9077, allocations: 20 kB / 0.8915 GB, free: 15.62 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001924/0.9097, allocations: 0.7255 MB / 0.8922 GB, free: 14.89 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001766/0.9114, allocations: 423.3 kB / 0.8926 GB, free: 14.47 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002466/0.9139, allocations: 2.76 MB / 0.8953 GB, free: 11.61 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002645/0.9166, allocations: 274.2 kB / 0.8956 GB, free: 11.34 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003036/0.9169, allocations: 147.9 kB / 0.8957 GB, free: 11.2 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003403/0.9203, allocations: 1.663 MB / 0.8973 GB, free: 9.527 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002711/0.923, allocations: 1.687 MB / 0.899 GB, free: 7.535 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004499/0.9276, allocations: 2.577 MB / 0.9015 GB, free: 4.715 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.218e-06/0.9276, allocations: 4 kB / 0.9015 GB, free: 4.711 MB / 0.67 GB Notification: Performance of matching and sorting (n=239) (initialization_lambda0): time 0.007938/0.9355, allocations: 3.482 MB / 0.9049 GB, free: 1.215 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 2.326e-05/0.9356, allocations: 12.19 kB / 0.9049 GB, free: 1.203 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.154e-05/0.9356, allocations: 24 kB / 0.9049 GB, free: 1.18 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002674/0.9383, allocations: 0.8582 MB / 0.9058 GB, free: 316 kB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001522/0.9398, allocations: 403.3 kB / 0.9062 GB, free: 15.91 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01849/0.9583, allocations: 13.82 MB / 0.9197 GB, free: 1.43 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002722/0.9611, allocations: 191.4 kB / 0.9198 GB, free: 1.242 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003807/0.9615, allocations: 136 kB / 0.92 GB, free: 1.109 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 81 * 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 (203): * Single equations (assignments): 195 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * 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): 4 systems {(1,4), (1,4), (1,4), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0006158/0.9621, allocations: 302.3 kB / 0.9203 GB, free: 0.8086 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000973/0.9631, allocations: 377.4 kB / 0.9206 GB, free: 448 kB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006587/0.9697, allocations: 2.643 MB / 0.9232 GB, free: 13.81 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.311e-05/0.9697, allocations: 12 kB / 0.9232 GB, free: 13.8 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.068e-06/0.9698, allocations: 0 / 0.9232 GB, free: 13.8 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.235e-05/0.9698, allocations: 11.91 kB / 0.9232 GB, free: 13.79 MB / 0.7012 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01019/0.98, allocations: 4.832 MB / 0.928 GB, free: 8.898 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.114e-05/0.98, allocations: 4 kB / 0.928 GB, free: 8.895 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001238/0.9813, allocations: 231.8 kB / 0.9282 GB, free: 8.668 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009991/0.9823, allocations: 394.9 kB / 0.9286 GB, free: 8.27 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001102/0.9824, allocations: 47.89 kB / 0.9286 GB, free: 8.223 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002148/0.9846, allocations: 2.631 MB / 0.9312 GB, free: 5.488 MB / 0.7012 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.878e-06/0.9846, allocations: 8.016 kB / 0.9312 GB, free: 5.48 MB / 0.7012 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005828/0.9904, allocations: 2.422 MB / 0.9335 GB, free: 3.012 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001418/0.9918, allocations: 0.6269 MB / 0.9342 GB, free: 2.363 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003681/0.9922, allocations: 27.94 kB / 0.9342 GB, free: 2.336 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00151/0.9937, allocations: 95.89 kB / 0.9343 GB, free: 2.242 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001783/0.9939, allocations: 93.06 kB / 0.9344 GB, free: 2.152 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001412/0.9941, allocations: 71.94 kB / 0.9344 GB, free: 2.082 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.003628/0.9977, allocations: 2.322 MB / 0.9367 GB, free: 15.76 MB / 0.7169 GB Notification: Performance of sort global known variables: time 2e-07/0.9977, allocations: 0 / 0.9367 GB, free: 15.76 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.004834/1.003, allocations: 1.812 MB / 0.9385 GB, free: 13.95 MB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 (113): * Single equations (assignments): 99 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * 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): 4 systems {(1,5), (1,5), (1,5), (1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.006791/1.009, allocations: 3.419 MB / 0.9418 GB, free: 10.53 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.01008/1.019, allocations: 4.478 MB / 0.9462 GB, free: 6.008 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 7.214e-06/1.02, allocations: 0 / 0.9462 GB, free: 6.008 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.002377/1.022, allocations: 0.902 MB / 0.9471 GB, free: 5.105 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007371/1.029, allocations: 1.753 MB / 0.9488 GB, free: 3.395 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05726/1.087, allocations: 28.48 MB / 0.9766 GB, free: 6.18 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002205/1.089, allocations: 2.25 MB / 0.9788 GB, free: 3.898 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.003659/1.092, allocations: 0.865 MB / 0.9796 GB, free: 3.031 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002454/1.095, allocations: 1.636 MB / 0.9812 GB, free: 1.395 MB / 0.7481 GB Notification: Performance of SimCode: time 9.22e-07/1.095, allocations: 4 kB / 0.9812 GB, free: 1.391 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5261/1.621, allocations: 106.8 MB / 1.086 GB, free: 312.7 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate platform static: time 19.33/20.96, allocations: 9.969 kB / 1.086 GB, free: 312.7 MB / 0.8262 GB (rm -f IDEAS_IDEAS.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.pipe ; mkfifo IDEAS_IDEAS.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.pipe >> ../files/IDEAS_IDEAS.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_IDEAS_Fluid_Movers_Examples_SpeedControlled_y_pumpCurves_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 IDEAS_IDEAS_Fluid_Movers_Examples_SpeedControlled_y_pumpCurves.fmu > IDEAS_IDEAS.Fluid.Movers.Examples.SpeedControlled_y_pumpCurves.pipe 2>&1)