Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.FixedResistances.Examples.CheckValve.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-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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: "" <> buildModelFMU(IDEAS.Fluid.FixedResistances.Examples.CheckValve,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_FixedResistances_Examples_CheckValve",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.FixedResistances.Examples.CheckValve,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_FixedResistances_Examples_CheckValve",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 0.001261/0.001261, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001219/0.001219, allocations: 195.9 kB / 16.53 MB, free: 6.672 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.29/1.29, allocations: 222.9 MB / 240.2 MB, free: 4.383 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9054/0.9054, allocations: 135.1 MB / 425.5 MB, free: 11.9 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001219/0.001219, allocations: 68.08 kB / 0.5054 GB, free: 5.23 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.131/0.1322, allocations: 80.92 MB / 0.5845 GB, free: 4.465 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.FixedResistances.Examples.CheckValve): time 0.2502/0.3824, allocations: 20.72 MB / 0.6047 GB, free: 36 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.005636/0.3881, allocations: 4.959 MB / 0.6095 GB, free: 35.92 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006201/0.3887, allocations: 17.94 kB / 0.6096 GB, free: 35.92 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.0006376/0.3894, allocations: 272.7 kB / 0.6098 GB, free: 35.91 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.001656/0.3911, allocations: 0.8093 MB / 0.6106 GB, free: 35.88 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.001475/0.3925, allocations: 0.7067 MB / 0.6113 GB, free: 35.85 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.001046/0.3936, allocations: 1.378 MB / 0.6126 GB, free: 35.84 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004291/0.394, allocations: 438.1 kB / 0.6131 GB, free: 35.81 MB / 0.4981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0006318/0.3947, allocations: 0.5727 MB / 0.6136 GB, free: 35.69 MB / 0.4981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004039/0.3951, allocations: 446.5 kB / 0.6141 GB, free: 35.59 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 6.671e-05/0.3952, allocations: 39.12 kB / 0.6141 GB, free: 35.59 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0008588/0.396, allocations: 0.6338 MB / 0.6147 GB, free: 35.55 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 9.796e-05/0.3962, allocations: 123.6 kB / 0.6148 GB, free: 35.52 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.0002132/0.3964, allocations: 298 kB / 0.6151 GB, free: 35.43 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.0007601/0.3971, allocations: 0.8345 MB / 0.6159 GB, free: 35.29 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 3.026e-06/0.3972, allocations: 0 / 0.6159 GB, free: 35.29 MB / 0.4981 GB Notification: Performance of FrontEnd: time 1.182e-06/0.3972, allocations: 0 / 0.6159 GB, free: 35.29 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 8.396e-06/0.3972, allocations: 2.719 kB / 0.6159 GB, free: 35.29 MB / 0.4981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 71 * Number of variables: 71 Notification: Performance of Generate backend data structure: time 0.001258/0.3984, allocations: 0.9253 MB / 0.6168 GB, free: 34.69 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 3.447e-05/0.3985, allocations: 8.938 kB / 0.6168 GB, free: 34.69 MB / 0.4981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.929e-05/0.3985, allocations: 63.8 kB / 0.6169 GB, free: 34.65 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001005/0.3987, allocations: 64.19 kB / 0.617 GB, free: 34.62 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004604/0.3991, allocations: 450 kB / 0.6174 GB, free: 34.35 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.329e-05/0.3992, allocations: 30.42 kB / 0.6174 GB, free: 34.35 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.763e-05/0.3992, allocations: 36.16 kB / 0.6175 GB, free: 34.35 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005493/0.3998, allocations: 317.3 kB / 0.6178 GB, free: 34.3 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.108e-05/0.3998, allocations: 0 / 0.6178 GB, free: 34.3 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.05e-05/0.3998, allocations: 11.94 kB / 0.6178 GB, free: 34.3 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.314e-06/0.3998, allocations: 6.5 kB / 0.6178 GB, free: 34.3 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005698/0.4004, allocations: 260.2 kB / 0.618 GB, free: 34.3 MB / 0.4981 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 0.00172/0.4021, allocations: 1.348 MB / 0.6193 GB, free: 33.61 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004377/0.4026, allocations: 265.5 kB / 0.6196 GB, free: 33.57 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002575/0.4028, allocations: 135.2 kB / 0.6197 GB, free: 33.56 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003008/0.4032, allocations: 0.4979 MB / 0.6202 GB, free: 33 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.894e-05/0.4032, allocations: 41.2 kB / 0.6202 GB, free: 32.96 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=25): time 1.593e-06/0.4032, allocations: 0 / 0.6202 GB, free: 32.96 MB / 0.4981 GB Notification: Performance of matching and sorting (n=25): time 0.001595/0.4048, allocations: 0.5605 MB / 0.6208 GB, free: 32.7 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 1.848e-05/0.4048, allocations: 54.12 kB / 0.6208 GB, free: 32.64 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003654/0.4052, allocations: 470 kB / 0.6213 GB, free: 32.41 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 2.72e-05/0.4052, allocations: 35.91 kB / 0.6213 GB, free: 32.38 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001084/0.4053, allocations: 239.5 kB / 0.6216 GB, free: 32.18 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 4.309e-05/0.4054, allocations: 79.14 kB / 0.6216 GB, free: 32.12 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.746e-05/0.4055, allocations: 88.61 kB / 0.6217 GB, free: 32.07 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 5.877e-05/0.4056, allocations: 356.7 kB / 0.6221 GB, free: 31.74 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002785/0.4058, allocations: 120.6 kB / 0.6222 GB, free: 31.7 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003116/0.4062, allocations: 189 kB / 0.6224 GB, free: 31.61 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005407/0.4067, allocations: 266 kB / 0.6226 GB, free: 31.51 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.334e-06/0.4067, allocations: 3.938 kB / 0.6226 GB, free: 31.5 MB / 0.4981 GB Notification: Performance of matching and sorting (n=37) (initialization): time 0.001433/0.4082, allocations: 492.1 kB / 0.6231 GB, free: 31.33 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 1.152e-05/0.4082, allocations: 6.312 kB / 0.6231 GB, free: 31.33 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.318e-06/0.4082, allocations: 0 / 0.6231 GB, free: 31.33 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003271/0.4085, allocations: 57.31 kB / 0.6231 GB, free: 31.32 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003209/0.4089, allocations: 70.06 kB / 0.6232 GB, free: 31.31 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002756/0.4091, allocations: 0.5713 MB / 0.6238 GB, free: 30.76 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003899/0.4095, allocations: 54.59 kB / 0.6238 GB, free: 30.73 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.251e-05/0.4096, allocations: 12.17 kB / 0.6238 GB, free: 30.73 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003449/0.4099, allocations: 240 kB / 0.6241 GB, free: 30.6 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002895/0.4102, allocations: 178.2 kB / 0.6242 GB, free: 30.51 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005045/0.4107, allocations: 255.4 kB / 0.6245 GB, free: 30.41 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.142e-06/0.4108, allocations: 4 kB / 0.6245 GB, free: 30.41 MB / 0.4981 GB Notification: Performance of matching and sorting (n=37) (initialization_lambda0): time 0.0006793/0.4114, allocations: 369.8 kB / 0.6248 GB, free: 30.27 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 7.534e-06/0.4115, allocations: 9.391 kB / 0.6248 GB, free: 30.27 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.953e-06/0.4115, allocations: 0 / 0.6248 GB, free: 30.27 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.278e-06/0.4115, allocations: 7.688 kB / 0.6248 GB, free: 30.27 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003575/0.4118, allocations: 78.48 kB / 0.6249 GB, free: 30.26 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.527e-06/0.4118, allocations: 6.875 kB / 0.6249 GB, free: 30.25 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003891/0.4122, allocations: 44.44 kB / 0.625 GB, free: 30.24 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.567e-05/0.4123, allocations: 12.81 kB / 0.625 GB, free: 30.24 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * 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 (34): * Single equations (assignments): 33 * 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 {(1,3)} Notification: Performance of prepare postOptimizeDAE: time 9.604e-05/0.4124, allocations: 194.2 kB / 0.6252 GB, free: 30.05 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.49e-05/0.4125, allocations: 56.09 kB / 0.6252 GB, free: 30.02 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000818/0.4133, allocations: 423.2 kB / 0.6256 GB, free: 29.84 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.314e-06/0.4133, allocations: 6.094 kB / 0.6256 GB, free: 29.84 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.559e-06/0.4133, allocations: 0 / 0.6256 GB, free: 29.84 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.659e-06/0.4133, allocations: 2.594 kB / 0.6256 GB, free: 29.84 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001171/0.4145, allocations: 0.9498 MB / 0.6266 GB, free: 29.28 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.308e-06/0.4145, allocations: 2.656 kB / 0.6266 GB, free: 29.28 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002179/0.4147, allocations: 46.09 kB / 0.6266 GB, free: 29.27 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000143/0.4149, allocations: 43.7 kB / 0.6266 GB, free: 29.26 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.987e-05/0.4149, allocations: 13.19 kB / 0.6267 GB, free: 29.25 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0002057/0.4151, allocations: 0.5662 MB / 0.6272 GB, free: 28.7 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.823e-06/0.4151, allocations: 2.938 kB / 0.6272 GB, free: 28.7 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006681/0.4158, allocations: 494.5 kB / 0.6277 GB, free: 28.42 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000116/0.4159, allocations: 150.9 kB / 0.6278 GB, free: 28.29 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.168e-05/0.416, allocations: 6.719 kB / 0.6278 GB, free: 28.28 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003321/0.4163, allocations: 30.22 kB / 0.6279 GB, free: 28.27 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.217e-05/0.4164, allocations: 20.2 kB / 0.6279 GB, free: 28.27 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.186e-05/0.4164, allocations: 21.64 kB / 0.6279 GB, free: 28.26 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.0002582/0.4167, allocations: 318.8 kB / 0.6282 GB, free: 28.11 MB / 0.4981 GB Notification: Performance of sort global known variables: time 1.3e-07/0.4167, allocations: 0 / 0.6282 GB, free: 28.11 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.0006032/0.4173, allocations: 249 kB / 0.6284 GB, free: 28.06 MB / 0.4981 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 (25): * Single equations (assignments): 21 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 3 * 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 {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001159/0.4185, allocations: 1.178 MB / 0.6296 GB, free: 27.2 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.001061/0.4195, allocations: 475.6 kB / 0.63 GB, free: 27.08 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 2.224e-06/0.4196, allocations: 0 / 0.63 GB, free: 27.08 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.000348/0.4199, allocations: 171.6 kB / 0.6302 GB, free: 27.03 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009913/0.4209, allocations: 218.9 kB / 0.6304 GB, free: 26.96 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00506/0.426, allocations: 4.077 MB / 0.6344 GB, free: 24.68 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002103/0.4262, allocations: 0.862 MB / 0.6352 GB, free: 23.96 MB / 0.4981 GB Notification: Performance of simCode: alias equations: time 0.0003561/0.4266, allocations: 116 kB / 0.6354 GB, free: 23.94 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001722/0.4267, allocations: 175.7 kB / 0.6355 GB, free: 23.81 MB / 0.4981 GB Notification: Performance of SimCode: time 2.9e-07/0.4268, allocations: 0 / 0.6355 GB, free: 23.81 MB / 0.4981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03266/0.4594, allocations: 14.87 MB / 0.65 GB, free: 22.39 MB / 0.4981 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.72/11.18, allocations: 1.031 kB / 0.65 GB, free: 22.39 MB / 0.4981 GB (rm -f IDEAS_dev_IDEAS.Fluid.FixedResistances.Examples.CheckValve.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.FixedResistances.Examples.CheckValve.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.FixedResistances.Examples.CheckValve.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.FixedResistances.Examples.CheckValve.sim & python3 -m fmpy simulate --output-file IDEAS_dev_IDEAS.Fluid.FixedResistances.Examples.CheckValve_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IDEAS_dev_IDEAS_Fluid_FixedResistances_Examples_CheckValve.fmu > IDEAS_dev_IDEAS.Fluid.FixedResistances.Examples.CheckValve.pipe 2>&1)