Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl.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: translateModel(IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl") translateModel(IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007873/0.007873, allocations: 104.8 kB / 15.74 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 0.001728/0.001728, allocations: 197.2 kB / 16.68 MB, free: 6.371 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.401/1.401, allocations: 222.9 MB / 240.4 MB, free: 4.34 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.816/0.816, allocations: 132.2 MB / 422.7 MB, free: 1.676 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001258/0.001258, allocations: 59.91 kB / 0.5813 GB, free: 7.543 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4078/0.4091, allocations: 80.21 MB / 0.6597 GB, free: 10.32 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl): time 0.2208/0.6299, allocations: 211.1 MB / 0.8658 GB, free: 2.426 MB / 0.6856 GB Notification: Performance of NFInst.instExpressions: time 0.4749/1.105, allocations: 10.61 MB / 0.8762 GB, free: 2.203 MB / 0.6856 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002548/1.107, allocations: 62.31 kB / 0.8762 GB, free: 2.203 MB / 0.6856 GB Notification: Performance of NFTyping.typeComponents: time 0.002028/1.11, allocations: 0.8481 MB / 0.877 GB, free: 2.191 MB / 0.6856 GB Notification: Performance of NFTyping.typeBindings: time 0.006617/1.116, allocations: 2.572 MB / 0.8796 GB, free: 2.109 MB / 0.6856 GB Notification: Performance of NFTyping.typeClassSections: time 0.00573/1.122, allocations: 2.29 MB / 0.8818 GB, free: 2.047 MB / 0.6856 GB Notification: Performance of NFFlatten.flatten: time 0.006362/1.128, allocations: 3.708 MB / 0.8854 GB, free: 2.043 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001901/1.13, allocations: 1.336 MB / 0.8867 GB, free: 1.902 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004821/1.135, allocations: 2.016 MB / 0.8887 GB, free: 1.879 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001921/1.137, allocations: 1.147 MB / 0.8898 GB, free: 1.879 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.0003161/1.137, allocations: 152.5 kB / 0.89 GB, free: 1.879 MB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006138/1.143, allocations: 3.076 MB / 0.893 GB, free: 1.848 MB / 0.6856 GB Notification: Performance of NFScalarize.scalarize: time 0.0004853/1.144, allocations: 472 kB / 0.8934 GB, free: 1.848 MB / 0.6856 GB Notification: Performance of NFVerifyModel.verify: time 0.001177/1.145, allocations: 0.8986 MB / 0.8943 GB, free: 1.848 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.00567/1.151, allocations: 3.351 MB / 0.8976 GB, free: 1.531 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 4.84e-06/1.151, allocations: 0 / 0.8976 GB, free: 1.531 MB / 0.6856 GB Notification: Performance of FrontEnd: time 1.803e-06/1.151, allocations: 5.906 kB / 0.8976 GB, free: 1.527 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 2.664e-05/1.151, allocations: 0 / 0.8976 GB, free: 1.527 MB / 0.6856 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 249 * Number of variables: 249 Notification: Performance of Generate backend data structure: time 0.005526/1.156, allocations: 2.351 MB / 0.8999 GB, free: 16.36 MB / 0.7012 GB Notification: Performance of prepare preOptimizeDAE: time 3.649e-05/1.156, allocations: 9.031 kB / 0.8999 GB, free: 16.36 MB / 0.7012 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002936/1.159, allocations: 0.5446 MB / 0.9004 GB, free: 16.26 MB / 0.7012 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002619/1.162, allocations: 1.308 MB / 0.9017 GB, free: 15.84 MB / 0.7012 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.575e-05/1.162, allocations: 83.97 kB / 0.9018 GB, free: 15.84 MB / 0.7012 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000215/1.162, allocations: 115.7 kB / 0.9019 GB, free: 15.84 MB / 0.7012 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002635/1.165, allocations: 1.32 MB / 0.9032 GB, free: 15.71 MB / 0.7012 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.616e-05/1.165, allocations: 3.625 kB / 0.9032 GB, free: 15.71 MB / 0.7012 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001065/1.165, allocations: 37.41 kB / 0.9032 GB, free: 15.71 MB / 0.7012 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.536e-05/1.165, allocations: 46.25 kB / 0.9032 GB, free: 15.71 MB / 0.7012 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002875/1.168, allocations: 1.34 MB / 0.9045 GB, free: 15.7 MB / 0.7012 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 0.008246/1.176, allocations: 5.266 MB / 0.9097 GB, free: 13.62 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002199/1.179, allocations: 1.007 MB / 0.9107 GB, free: 13.51 MB / 0.7012 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001096/1.18, allocations: 0.5416 MB / 0.9112 GB, free: 13.5 MB / 0.7012 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001044/1.181, allocations: 0.7496 MB / 0.9119 GB, free: 12.75 MB / 0.7012 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00137/1.182, allocations: 0.6044 MB / 0.9125 GB, free: 12.7 MB / 0.7012 GB Notification: Performance of pre-optimization done (n=82): time 2.976e-06/1.182, allocations: 0 / 0.9125 GB, free: 12.7 MB / 0.7012 GB Notification: Performance of matching and sorting (n=82): time 0.0041/1.186, allocations: 1.572 MB / 0.9141 GB, free: 12.58 MB / 0.7012 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.54e-05/1.186, allocations: 62.97 kB / 0.9141 GB, free: 12.51 MB / 0.7012 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001647/1.188, allocations: 1.322 MB / 0.9154 GB, free: 12.34 MB / 0.7012 GB Notification: Performance of collectPreVariables (initialization): time 0.0001346/1.188, allocations: 46.64 kB / 0.9155 GB, free: 12.3 MB / 0.7012 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004927/1.189, allocations: 0.6377 MB / 0.9161 GB, free: 12.1 MB / 0.7012 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002811/1.189, allocations: 286.7 kB / 0.9163 GB, free: 11.92 MB / 0.7012 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00044/1.189, allocations: 245.6 kB / 0.9166 GB, free: 11.89 MB / 0.7012 GB Notification: Performance of setup shared object (initialization): time 0.0001369/1.189, allocations: 343.1 kB / 0.9169 GB, free: 11.59 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00131/1.191, allocations: 0.5104 MB / 0.9174 GB, free: 11.58 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001557/1.192, allocations: 0.7799 MB / 0.9182 GB, free: 11.32 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002501/1.195, allocations: 1.172 MB / 0.9193 GB, free: 11.11 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.572e-06/1.195, allocations: 0 / 0.9193 GB, free: 11.11 MB / 0.7012 GB Notification: Performance of matching and sorting (n=134) (initialization): time 0.003342/1.198, allocations: 1.469 MB / 0.9207 GB, free: 10.95 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 3.843e-05/1.198, allocations: 43.73 kB / 0.9208 GB, free: 10.92 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.279e-05/1.198, allocations: 4.719 kB / 0.9208 GB, free: 10.92 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.194e-05/1.198, allocations: 8.594 kB / 0.9208 GB, free: 10.92 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001691/1.2, allocations: 347.9 kB / 0.9211 GB, free: 10.9 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007986/1.201, allocations: 1.191 MB / 0.9223 GB, free: 9.73 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00183/1.203, allocations: 193.5 kB / 0.9225 GB, free: 9.66 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001236/1.203, allocations: 56.84 kB / 0.9225 GB, free: 9.66 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001685/1.205, allocations: 0.7465 MB / 0.9233 GB, free: 9.57 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001428/1.206, allocations: 0.7683 MB / 0.924 GB, free: 9.301 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002416/1.208, allocations: 1.161 MB / 0.9252 GB, free: 9.059 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.859e-06/1.208, allocations: 2.469 kB / 0.9252 GB, free: 9.059 MB / 0.7012 GB Notification: Performance of matching and sorting (n=134) (initialization_lambda0): time 0.00338/1.212, allocations: 1.462 MB / 0.9266 GB, free: 8.891 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 3.637e-05/1.212, allocations: 33.39 kB / 0.9266 GB, free: 8.859 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.995e-06/1.212, allocations: 5.531 kB / 0.9266 GB, free: 8.859 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.142e-05/1.212, allocations: 10.78 kB / 0.9266 GB, free: 8.859 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001403/1.213, allocations: 307.7 kB / 0.9269 GB, free: 8.855 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.969e-05/1.213, allocations: 18.06 kB / 0.9269 GB, free: 8.852 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00169/1.215, allocations: 171.5 kB / 0.9271 GB, free: 8.805 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001102/1.215, allocations: 54.66 kB / 0.9272 GB, free: 8.805 MB / 0.7012 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 22 * Number of states: 0 () * Number of discrete variables: 8 (hex.flowRegime_nominal,hex.flowRegime,TSet.count,$PRE.TSet.count,TSet.T_start,$PRE.TSet.T_start,$whenCondition1,P.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (133): * Single equations (assignments): 130 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * 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): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0003698/1.215, allocations: 245 kB / 0.9274 GB, free: 8.621 MB / 0.7012 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002864/1.216, allocations: 152.7 kB / 0.9275 GB, free: 8.543 MB / 0.7012 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003115/1.219, allocations: 1.314 MB / 0.9288 GB, free: 8.449 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.806e-05/1.219, allocations: 12.88 kB / 0.9288 GB, free: 8.445 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.781e-06/1.219, allocations: 0 / 0.9288 GB, free: 8.445 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.063e-05/1.219, allocations: 4.406 kB / 0.9288 GB, free: 8.445 MB / 0.7012 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00552/1.224, allocations: 2.831 MB / 0.9316 GB, free: 7.945 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.015e-06/1.225, allocations: 6.875 kB / 0.9316 GB, free: 7.941 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001163/1.226, allocations: 229.8 kB / 0.9318 GB, free: 7.93 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.043e-05/1.226, allocations: 7.125 kB / 0.9318 GB, free: 7.93 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.853e-05/1.226, allocations: 32.56 kB / 0.9319 GB, free: 7.93 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006086/1.226, allocations: 1.189 MB / 0.933 GB, free: 6.758 MB / 0.7012 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.448e-06/1.226, allocations: 9.438 kB / 0.933 GB, free: 6.754 MB / 0.7012 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004117/1.231, allocations: 2.038 MB / 0.935 GB, free: 6.367 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000767/1.231, allocations: 364.8 kB / 0.9354 GB, free: 6.176 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002024/1.232, allocations: 22.81 kB / 0.9354 GB, free: 6.176 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001096/1.233, allocations: 88.02 kB / 0.9355 GB, free: 6.172 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001546/1.233, allocations: 74.77 kB / 0.9355 GB, free: 6.168 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.985e-05/1.233, allocations: 42.2 kB / 0.9356 GB, free: 6.164 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.001175/1.234, allocations: 0.8949 MB / 0.9365 GB, free: 6.051 MB / 0.7012 GB Notification: Performance of sort global known variables: time 2.4e-07/1.234, allocations: 0 / 0.9365 GB, free: 6.051 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.002093/1.236, allocations: 0.7859 MB / 0.9372 GB, free: 5.965 MB / 0.7012 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 16 * Number of states: 4 (temSen.T,val.filter.s[1],val.filter.s[2],P.I.y) * Number of discrete variables: 4 ($whenCondition1,TSet.T_start,TSet.count,hex.flowRegime) * Number of discrete states: 1 (TSet.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (91): * Single equations (assignments): 85 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 2 * 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): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001032/1.237, allocations: 464.8 kB / 0.9377 GB, free: 5.816 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.004874/1.242, allocations: 2.059 MB / 0.9397 GB, free: 5.633 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 5.481e-06/1.242, allocations: 0 / 0.9397 GB, free: 5.633 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.001472/1.244, allocations: 0.6326 MB / 0.9403 GB, free: 5.617 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002824/1.246, allocations: 0.6814 MB / 0.941 GB, free: 5.508 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004671/1.251, allocations: 2.679 MB / 0.9436 GB, free: 4.262 MB / 0.7012 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007254/1.252, allocations: 1.229 MB / 0.9448 GB, free: 3.34 MB / 0.7012 GB Notification: Performance of simCode: alias equations: time 0.001614/1.254, allocations: 405.3 kB / 0.9452 GB, free: 3.156 MB / 0.7012 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003712/1.254, allocations: 132.2 kB / 0.9453 GB, free: 3.133 MB / 0.7012 GB Notification: Performance of SimCode: time 6.12e-07/1.254, allocations: 0 / 0.9453 GB, free: 3.133 MB / 0.7012 GB Notification: Performance of Templates: time 0.05011/1.304, allocations: 30.56 MB / 0.9751 GB, free: 6.48 MB / 0.7325 GB make -j1 -f IDEAS_IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl.makefile (rm -f IDEAS_IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl.pipe ; mkfifo IDEAS_IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl.pipe >> ../files/IDEAS_IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl.sim & ./IDEAS_IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl.pipe 2>&1)