Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 8.1.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo) Running command: translateModel(Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven") translateModel(Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo): time 2.053/2.053, allocations: 297.4 MB / 312.6 MB, free: 2.945 MB / 234.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001058/0.001058, allocations: 185 kB / 382.3 MB, free: 14.85 MB / 314.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.441/1.441, allocations: 225.7 MB / 0.6617 GB, free: 7.258 MB / 490.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009121/0.0009122, allocations: 97.86 kB / 0.7789 GB, free: 46.69 MB / 0.5417 GB Notification: Performance of FrontEnd - loaded program: time 0.000403/0.0004034, allocations: 17.02 kB / 0.9058 GB, free: 4.926 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8206/0.8211, allocations: 119.2 MB / 1.022 GB, free: 57.29 MB / 0.698 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven): time 0.3417/1.163, allocations: 314.7 MB / 1.33 GB, free: 1.352 MB / 0.9011 GB Notification: Performance of NFInst.instExpressions: time 0.7751/1.938, allocations: 37.96 MB / 1.367 GB, free: 49.5 MB / 0.9011 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00393/1.942, allocations: 67.88 kB / 1.367 GB, free: 49.5 MB / 0.9011 GB Notification: Performance of NFTyping.typeComponents: time 0.004876/1.947, allocations: 1.334 MB / 1.368 GB, free: 49.47 MB / 0.9011 GB Notification: Performance of NFTyping.typeBindings: time 0.0103/1.957, allocations: 2.792 MB / 1.371 GB, free: 49.35 MB / 0.9011 GB Notification: Performance of NFTyping.typeClassSections: time 0.008274/1.966, allocations: 2.36 MB / 1.373 GB, free: 49.28 MB / 0.9011 GB Notification: Performance of NFFlatten.flatten: time 0.009497/1.975, allocations: 5.99 MB / 1.379 GB, free: 49.26 MB / 0.9011 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002956/1.978, allocations: 1.606 MB / 1.38 GB, free: 48.99 MB / 0.9011 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005422/1.983, allocations: 2.013 MB / 1.382 GB, free: 48.96 MB / 0.9011 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004575/1.988, allocations: 1.315 MB / 1.384 GB, free: 48.96 MB / 0.9011 GB Notification: Performance of NFPackage.collectConstants: time 0.0004656/1.989, allocations: 67.41 kB / 1.384 GB, free: 48.96 MB / 0.9011 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009733/1.998, allocations: 3.557 MB / 1.387 GB, free: 48.93 MB / 0.9011 GB Notification: Performance of NFScalarize.scalarize: time 0.001054/1.999, allocations: 493.2 kB / 1.388 GB, free: 48.93 MB / 0.9011 GB Notification: Performance of NFVerifyModel.verify: time 0.002225/2.002, allocations: 1.001 MB / 1.389 GB, free: 48.89 MB / 0.9011 GB Notification: Performance of NFConvertDAE.convert: time 0.009823/2.011, allocations: 4.684 MB / 1.393 GB, free: 48.67 MB / 0.9011 GB Notification: Performance of FrontEnd - DAE generated: time 7.324e-06/2.012, allocations: 4 kB / 1.393 GB, free: 48.66 MB / 0.9011 GB Notification: Performance of FrontEnd: time 2.204e-06/2.012, allocations: 1.156 kB / 1.393 GB, free: 48.66 MB / 0.9011 GB Notification: Performance of Transformations before backend: time 6.804e-05/2.012, allocations: 0 / 1.393 GB, free: 48.66 MB / 0.9011 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 332 * Number of variables: 332 Notification: Performance of Generate backend data structure: time 0.004757/2.016, allocations: 2.106 MB / 1.395 GB, free: 47.46 MB / 0.9011 GB Notification: Performance of prepare preOptimizeDAE: time 4.756e-05/2.016, allocations: 12.34 kB / 1.395 GB, free: 47.46 MB / 0.9011 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005153/2.022, allocations: 0.8591 MB / 1.396 GB, free: 47.32 MB / 0.9011 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004641/2.026, allocations: 1.999 MB / 1.398 GB, free: 46.85 MB / 0.9011 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007179/2.027, allocations: 238.9 kB / 1.398 GB, free: 46.83 MB / 0.9011 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002587/2.027, allocations: 134.9 kB / 1.399 GB, free: 46.83 MB / 0.9011 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003807/2.031, allocations: 1.674 MB / 1.4 GB, free: 46.64 MB / 0.9011 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.811e-05/2.031, allocations: 6.906 kB / 1.4 GB, free: 46.64 MB / 0.9011 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001347/2.031, allocations: 49.69 kB / 1.4 GB, free: 46.64 MB / 0.9011 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.758e-05/2.031, allocations: 52.75 kB / 1.4 GB, free: 46.63 MB / 0.9011 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00393/2.035, allocations: 1.504 MB / 1.402 GB, free: 46.59 MB / 0.9011 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 0.01296/2.048, allocations: 7.551 MB / 1.409 GB, free: 42.97 MB / 0.9011 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003823/2.052, allocations: 1.178 MB / 1.41 GB, free: 42.71 MB / 0.9011 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001322/2.053, allocations: 456.4 kB / 1.411 GB, free: 42.69 MB / 0.9011 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002697/2.054, allocations: 194.2 kB / 1.411 GB, free: 42.5 MB / 0.9011 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.868e-05/2.054, allocations: 39.09 kB / 1.411 GB, free: 42.46 MB / 0.9011 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001199/2.055, allocations: 153.6 kB / 1.411 GB, free: 42.4 MB / 0.9011 GB Notification: Performance of pre-optimization done (n=38): time 3.357e-06/2.055, allocations: 0.5938 kB / 1.411 GB, free: 42.4 MB / 0.9011 GB Notification: Performance of matching and sorting (n=38): time 0.004184/2.059, allocations: 1.322 MB / 1.412 GB, free: 42.23 MB / 0.9011 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.439e-05/2.059, allocations: 54.66 kB / 1.412 GB, free: 42.16 MB / 0.9011 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002707/2.062, allocations: 1.578 MB / 1.414 GB, free: 41.99 MB / 0.9011 GB Notification: Performance of collectPreVariables (initialization): time 9.914e-05/2.062, allocations: 38.42 kB / 1.414 GB, free: 41.96 MB / 0.9011 GB Notification: Performance of collectInitialEqns (initialization): time 0.000677/2.063, allocations: 0.8332 MB / 1.415 GB, free: 41.69 MB / 0.9011 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001228/2.063, allocations: 134.4 kB / 1.415 GB, free: 41.61 MB / 0.9011 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.643e-05/2.063, allocations: 10.97 kB / 1.415 GB, free: 41.61 MB / 0.9011 GB Notification: Performance of setup shared object (initialization): time 7.845e-05/2.063, allocations: 328.9 kB / 1.415 GB, free: 41.3 MB / 0.9011 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001222/2.064, allocations: 433.9 kB / 1.416 GB, free: 41.29 MB / 0.9011 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001381/2.066, allocations: 0.678 MB / 1.416 GB, free: 40.97 MB / 0.9011 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002513/2.068, allocations: 1.014 MB / 1.417 GB, free: 40.71 MB / 0.9011 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.714e-06/2.068, allocations: 1.781 kB / 1.417 GB, free: 40.71 MB / 0.9011 GB Notification: Performance of matching and sorting (n=74) (initialization): time 0.003378/2.072, allocations: 1.213 MB / 1.418 GB, free: 40.55 MB / 0.9011 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002547/2.072, allocations: 276.7 kB / 1.419 GB, free: 40.23 MB / 0.9011 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.485e-05/2.072, allocations: 6.062 kB / 1.419 GB, free: 40.23 MB / 0.9011 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.679e-05/2.072, allocations: 14.28 kB / 1.419 GB, free: 40.23 MB / 0.9011 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0015/2.073, allocations: 238.7 kB / 1.419 GB, free: 40.22 MB / 0.9011 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004814/2.074, allocations: 0.6165 MB / 1.42 GB, free: 39.63 MB / 0.9011 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002652/2.077, allocations: 192 kB / 1.42 GB, free: 39.6 MB / 0.9011 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001424/2.077, allocations: 35.31 kB / 1.42 GB, free: 39.6 MB / 0.9011 GB Notification: Performance of prepare postOptimizeDAE: time 1.641e-05/2.077, allocations: 4.469 kB / 1.42 GB, free: 39.6 MB / 0.9011 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.003423/2.08, allocations: 0.9586 MB / 1.421 GB, free: 39.56 MB / 0.9011 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.792e-05/2.08, allocations: 6.969 kB / 1.421 GB, free: 39.56 MB / 0.9011 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.645e-05/2.08, allocations: 9.719 kB / 1.421 GB, free: 39.56 MB / 0.9011 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001317/2.082, allocations: 211 kB / 1.421 GB, free: 39.55 MB / 0.9011 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.083e-05/2.082, allocations: 13.47 kB / 1.421 GB, free: 39.55 MB / 0.9011 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002452/2.084, allocations: 173.9 kB / 1.421 GB, free: 39.53 MB / 0.9011 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001075/2.084, allocations: 34.16 kB / 1.421 GB, free: 39.53 MB / 0.9011 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 28 * 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 (73): * Single equations (assignments): 71 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.001691/2.086, allocations: 0.5206 MB / 1.422 GB, free: 39.34 MB / 0.9011 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004018/2.086, allocations: 157.1 kB / 1.422 GB, free: 39.25 MB / 0.9011 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003335/2.09, allocations: 1.008 MB / 1.423 GB, free: 39.14 MB / 0.9011 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.207e-06/2.09, allocations: 3.781 kB / 1.423 GB, free: 39.14 MB / 0.9011 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.77e-06/2.09, allocations: 1.031 kB / 1.423 GB, free: 39.14 MB / 0.9011 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.743e-06/2.09, allocations: 6.531 kB / 1.423 GB, free: 39.14 MB / 0.9011 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 postOpt removeSimpleEquations (simulation): time 0.005787/2.096, allocations: 2.417 MB / 1.425 GB, free: 38.72 MB / 0.9011 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.496e-06/2.096, allocations: 5.094 kB / 1.425 GB, free: 38.72 MB / 0.9011 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009495/2.096, allocations: 171.5 kB / 1.425 GB, free: 38.71 MB / 0.9011 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.193e-05/2.097, allocations: 3.25 kB / 1.425 GB, free: 38.71 MB / 0.9011 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.235e-05/2.097, allocations: 13.58 kB / 1.425 GB, free: 38.71 MB / 0.9011 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0002488/2.097, allocations: 0.5992 MB / 1.426 GB, free: 38.12 MB / 0.9011 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.128e-06/2.097, allocations: 2.375 kB / 1.426 GB, free: 38.12 MB / 0.9011 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002918/2.1, allocations: 1.07 MB / 1.427 GB, free: 37.82 MB / 0.9011 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007578/2.101, allocations: 327 kB / 1.427 GB, free: 37.63 MB / 0.9011 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001849/2.101, allocations: 9.984 kB / 1.427 GB, free: 37.63 MB / 0.9011 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001233/2.102, allocations: 153.5 kB / 1.427 GB, free: 37.61 MB / 0.9011 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.147e-05/2.102, allocations: 30.14 kB / 1.428 GB, free: 37.61 MB / 0.9011 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.477e-05/2.102, allocations: 27.78 kB / 1.428 GB, free: 37.61 MB / 0.9011 GB Notification: Performance of sorting global known variables: time 0.001806/2.104, allocations: 1.097 MB / 1.429 GB, free: 37.5 MB / 0.9011 GB Notification: Performance of sort global known variables: time 1.4e-07/2.104, allocations: 2.516 kB / 1.429 GB, free: 37.5 MB / 0.9011 GB Notification: Performance of remove unused functions: time 0.002634/2.107, allocations: 0.7543 MB / 1.429 GB, free: 37.39 MB / 0.9011 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * 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 (39): * Single equations (assignments): 38 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0008172/2.107, allocations: 315.7 kB / 1.43 GB, free: 37.26 MB / 0.9011 GB Notification: Performance of simCode: created initialization part: time 0.003947/2.111, allocations: 1.452 MB / 1.431 GB, free: 37.09 MB / 0.9011 GB Notification: Performance of simCode: created event and clocks part: time 5.52e-06/2.111, allocations: 0 / 1.431 GB, free: 37.09 MB / 0.9011 GB Notification: Performance of simCode: created simulation system equations: time 0.001133/2.113, allocations: 432.5 kB / 1.431 GB, free: 37.02 MB / 0.9011 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003839/2.116, allocations: 0.91 MB / 1.432 GB, free: 36.7 MB / 0.9011 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007139/2.124, allocations: 3.698 MB / 1.436 GB, free: 34.7 MB / 0.9011 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007535/2.124, allocations: 1.343 MB / 1.437 GB, free: 33.74 MB / 0.9011 GB Notification: Performance of simCode: alias equations: time 0.001909/2.126, allocations: 368.5 kB / 1.438 GB, free: 33.55 MB / 0.9011 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003446/2.127, allocations: 122.5 kB / 1.438 GB, free: 33.54 MB / 0.9011 GB Notification: Performance of SimCode: time 8.11e-07/2.127, allocations: 3.938 kB / 1.438 GB, free: 33.53 MB / 0.9011 GB Notification: Performance of Templates: time 0.0512/2.178, allocations: 32.37 MB / 1.469 GB, free: 10.21 MB / 0.9011 GB make -j1 -f Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.makefile (rm -f Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe ; mkfifo Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe >> ../files/Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.sim & ./Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe 2>&1)