Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Chillers.Validation.Carnot_y_etaPL.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.Chillers.Validation.Carnot_y_etaPL,fileNamePrefix="IDEAS_IDEAS_Fluid_Chillers_Validation_Carnot_y_etaPL",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Chillers.Validation.Carnot_y_etaPL,fileNamePrefix="IDEAS_IDEAS_Fluid_Chillers_Validation_Carnot_y_etaPL",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 0.005716/0.005716, allocations: 101.1 kB / 15.73 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001258/0.001258, allocations: 187 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 1.262/1.262, allocations: 222.9 MB / 240.4 MB, free: 4.324 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7224/0.7224, allocations: 132.2 MB / 422.7 MB, free: 1.703 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001134/0.001134, allocations: 62.42 kB / 0.5809 GB, free: 1.117 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1611/0.1623, allocations: 80.22 MB / 0.6592 GB, free: 13.97 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Chillers.Validation.Carnot_y_etaPL): time 0.06718/0.2295, allocations: 75.15 MB / 0.7326 GB, free: 2.566 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01685/0.2464, allocations: 12.72 MB / 0.745 GB, free: 5.809 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002396/0.2488, allocations: 67.62 kB / 0.7451 GB, free: 5.742 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.001904/0.2507, allocations: 0.8345 MB / 0.7459 GB, free: 4.902 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.006681/0.2575, allocations: 2.455 MB / 0.7483 GB, free: 2.438 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.003442/0.261, allocations: 1.405 MB / 0.7497 GB, free: 1.047 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.005707/0.2667, allocations: 4.367 MB / 0.7539 GB, free: 12.67 MB / 0.5919 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00238/0.2691, allocations: 1.441 MB / 0.7553 GB, free: 11.19 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003593/0.2727, allocations: 1.651 MB / 0.757 GB, free: 9.539 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002063/0.2748, allocations: 1.206 MB / 0.7581 GB, free: 8.328 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.0004501/0.2752, allocations: 164 kB / 0.7583 GB, free: 8.168 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003252/0.2785, allocations: 1.423 MB / 0.7597 GB, free: 6.742 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.0005939/0.2791, allocations: 390.7 kB / 0.76 GB, free: 6.359 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.001567/0.2807, allocations: 0.906 MB / 0.7609 GB, free: 5.449 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.004574/0.2852, allocations: 2.891 MB / 0.7638 GB, free: 2.551 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 4.859e-06/0.2853, allocations: 4 kB / 0.7638 GB, free: 2.547 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.683e-06/0.2853, allocations: 4 kB / 0.7638 GB, free: 2.543 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 8.219e-05/0.2854, allocations: 0 / 0.7638 GB, free: 2.543 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 240 * Number of variables: 240 Notification: Performance of Generate backend data structure: time 0.004532/0.2899, allocations: 2.087 MB / 0.7658 GB, free: 400 kB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 4.11e-05/0.2899, allocations: 8.031 kB / 0.7658 GB, free: 392 kB / 0.5919 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002688/0.2902, allocations: 144.1 kB / 0.7659 GB, free: 240 kB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008876/0.2911, allocations: 238.5 kB / 0.7662 GB, free: 0 / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002805/0.2939, allocations: 1.516 MB / 0.7677 GB, free: 14.43 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.632e-05/0.294, allocations: 74 kB / 0.7677 GB, free: 14.36 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001824/0.2942, allocations: 115.9 kB / 0.7678 GB, free: 14.24 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002048/0.2963, allocations: 1.1 MB / 0.7689 GB, free: 13.11 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.957e-05/0.2963, allocations: 7.938 kB / 0.7689 GB, free: 13.1 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.23e-05/0.2964, allocations: 36 kB / 0.769 GB, free: 13.06 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.814e-05/0.2964, allocations: 31.98 kB / 0.769 GB, free: 13.03 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001871/0.2983, allocations: 0.8899 MB / 0.7699 GB, free: 12.14 MB / 0.6075 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 0.006228/0.3046, allocations: 4.9 MB / 0.7746 GB, free: 6.953 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001304/0.3059, allocations: 0.6239 MB / 0.7752 GB, free: 6.324 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006839/0.3066, allocations: 358.8 kB / 0.7756 GB, free: 5.969 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006483/0.3072, allocations: 0.8277 MB / 0.7764 GB, free: 4.957 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.873e-05/0.3073, allocations: 39.12 kB / 0.7764 GB, free: 4.91 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=62): time 2.144e-06/0.3073, allocations: 4 kB / 0.7764 GB, free: 4.906 MB / 0.6075 GB Notification: Performance of matching and sorting (n=62): time 0.006764/0.314, allocations: 1.697 MB / 0.7781 GB, free: 3.184 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.66e-05/0.3141, allocations: 59.97 kB / 0.7782 GB, free: 3.113 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001725/0.3158, allocations: 1.218 MB / 0.7793 GB, free: 1.879 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 7.518e-05/0.3159, allocations: 45.7 kB / 0.7794 GB, free: 1.828 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005158/0.3164, allocations: 0.5988 MB / 0.78 GB, free: 1.223 MB / 0.6075 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002081/0.3166, allocations: 220.8 kB / 0.7802 GB, free: 1.004 MB / 0.6075 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002252/0.3169, allocations: 150.6 kB / 0.7803 GB, free: 0.8516 MB / 0.6075 GB Notification: Performance of setup shared object (initialization): time 0.0001237/0.317, allocations: 341.9 kB / 0.7807 GB, free: 0.5117 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006262/0.3176, allocations: 284.7 kB / 0.7809 GB, free: 236 kB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000789/0.3184, allocations: 495 kB / 0.7814 GB, free: 15.68 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001325/0.3198, allocations: 0.7119 MB / 0.7821 GB, free: 14.92 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.808e-06/0.3198, allocations: 0 / 0.7821 GB, free: 14.92 MB / 0.6231 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.004394/0.3242, allocations: 1.281 MB / 0.7833 GB, free: 13.63 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 1.931e-05/0.3242, allocations: 4 kB / 0.7833 GB, free: 13.62 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.294e-05/0.3242, allocations: 4.375 kB / 0.7833 GB, free: 13.62 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006776/0.3249, allocations: 156.7 kB / 0.7835 GB, free: 13.46 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005884/0.3255, allocations: 155.8 kB / 0.7836 GB, free: 13.31 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008506/0.3264, allocations: 0.7239 MB / 0.7844 GB, free: 12.56 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009741/0.3274, allocations: 119.1 kB / 0.7845 GB, free: 12.45 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.639e-05/0.3275, allocations: 28 kB / 0.7845 GB, free: 12.42 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001029/0.3285, allocations: 0.5611 MB / 0.785 GB, free: 11.85 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000778/0.3293, allocations: 487 kB / 0.7855 GB, free: 11.3 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001299/0.3306, allocations: 0.7004 MB / 0.7862 GB, free: 10.55 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.224e-06/0.3306, allocations: 0 / 0.7862 GB, free: 10.55 MB / 0.6231 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.004464/0.3351, allocations: 1.269 MB / 0.7874 GB, free: 9.273 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 1.238e-05/0.3351, allocations: 8 kB / 0.7874 GB, free: 9.266 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.362e-06/0.3351, allocations: 4 kB / 0.7874 GB, free: 9.262 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005652/0.3357, allocations: 172.3 kB / 0.7876 GB, free: 9.094 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000568/0.3363, allocations: 151.8 kB / 0.7877 GB, free: 8.945 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007772/0.3371, allocations: 0.7189 MB / 0.7885 GB, free: 8.203 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009447/0.338, allocations: 103.4 kB / 0.7885 GB, free: 8.102 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.048e-05/0.3381, allocations: 40.05 kB / 0.7886 GB, free: 8.062 MB / 0.6231 GB 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 (77): * Single equations (assignments): 76 * 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 {(1,11)} Notification: Performance of prepare postOptimizeDAE: time 0.0002401/0.3383, allocations: 225.3 kB / 0.7888 GB, free: 7.836 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002839/0.3386, allocations: 130.4 kB / 0.7889 GB, free: 7.707 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00438/0.343, allocations: 1.283 MB / 0.7902 GB, free: 6.41 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.328e-05/0.343, allocations: 8 kB / 0.7902 GB, free: 6.402 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.381e-06/0.3431, allocations: 4 kB / 0.7902 GB, free: 6.398 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00382/0.3469, allocations: 1.111 MB / 0.7913 GB, free: 5.25 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006005/0.3529, allocations: 2.637 MB / 0.7939 GB, free: 2.496 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.173e-06/0.3529, allocations: 4 kB / 0.7939 GB, free: 2.492 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004558/0.3534, allocations: 107.9 kB / 0.794 GB, free: 2.387 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005524/0.3539, allocations: 149.2 kB / 0.7941 GB, free: 2.238 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.351e-05/0.354, allocations: 27.98 kB / 0.7941 GB, free: 2.211 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007366/0.3547, allocations: 0.7045 MB / 0.7948 GB, free: 1.48 MB / 0.6231 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.32e-06/0.3548, allocations: 4 kB / 0.7948 GB, free: 1.477 MB / 0.6231 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004749/0.3595, allocations: 1.703 MB / 0.7965 GB, free: 15.71 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004843/0.36, allocations: 311.2 kB / 0.7968 GB, free: 15.39 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002262/0.3602, allocations: 16 kB / 0.7968 GB, free: 15.37 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008084/0.3611, allocations: 59.86 kB / 0.7969 GB, free: 15.31 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001019/0.3612, allocations: 56.38 kB / 0.7969 GB, free: 15.26 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.934e-05/0.3612, allocations: 27.98 kB / 0.7969 GB, free: 15.23 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.001181/0.3624, allocations: 0.8816 MB / 0.7978 GB, free: 14.35 MB / 0.6387 GB Notification: Performance of sort global known variables: time 1.61e-07/0.3624, allocations: 0 / 0.7978 GB, free: 14.35 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.001748/0.3642, allocations: 0.7174 MB / 0.7985 GB, free: 13.63 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 2 (chi.con.vol.dynBal.U,chi.eva.vol.dynBal.U) * 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 (55): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 {(1,11)} Notification: Performance of Backend phase and start with SimCode phase: time 0.005867/0.3701, allocations: 2.604 MB / 0.801 GB, free: 10.96 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.002428/0.3725, allocations: 1.125 MB / 0.8021 GB, free: 9.836 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 3.967e-06/0.3725, allocations: 4 kB / 0.8021 GB, free: 9.832 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0008227/0.3734, allocations: 387.2 kB / 0.8025 GB, free: 9.449 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003076/0.3764, allocations: 0.801 MB / 0.8033 GB, free: 8.691 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3255/0.7019, allocations: 9.808 MB / 0.8129 GB, free: 145.3 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006761/0.7026, allocations: 1.168 MB / 0.814 GB, free: 144.6 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.001223/0.7039, allocations: 303 kB / 0.8143 GB, free: 144.5 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005911/0.7045, allocations: 0.5156 MB / 0.8148 GB, free: 144.5 MB / 0.6387 GB Notification: Performance of SimCode: time 8.32e-07/0.7045, allocations: 0.9062 kB / 0.8148 GB, free: 144.5 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06743/0.7719, allocations: 43.11 MB / 0.8569 GB, free: 116.7 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.99/13.76, allocations: 8 kB / 0.8569 GB, free: 116.7 MB / 0.6387 GB (rm -f IDEAS_IDEAS.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe ; mkfifo IDEAS_IDEAS.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe >> ../files/IDEAS_IDEAS.Fluid.Chillers.Validation.Carnot_y_etaPL.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_IDEAS_Fluid_Chillers_Validation_Carnot_y_etaPL_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 IDEAS_IDEAS_Fluid_Chillers_Validation_Carnot_y_etaPL.fmu > IDEAS_IDEAS.Fluid.Chillers.Validation.Carnot_y_etaPL.pipe 2>&1)