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 0.004892/0.004892, allocations: 101.6 kB / 15.73 MB, free: 6.059 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001005/0.001005, allocations: 188.6 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.347/1.347, allocations: 222.9 MB / 240.4 MB, free: 4.172 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7705/0.7705, allocations: 132.2 MB / 422.7 MB, free: 1.598 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001276/0.001276, allocations: 67.89 kB / 0.5813 GB, free: 7.508 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4048/0.4061, allocations: 80.2 MB / 0.6597 GB, free: 10.33 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUPControl): time 0.2257/0.6319, allocations: 211.1 MB / 0.8658 GB, free: 2.375 MB / 0.6856 GB Notification: Performance of NFInst.instExpressions: time 0.4054/1.037, allocations: 10.61 MB / 0.8762 GB, free: 2.23 MB / 0.6856 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002085/1.039, allocations: 61.41 kB / 0.8762 GB, free: 2.23 MB / 0.6856 GB Notification: Performance of NFTyping.typeComponents: time 0.001881/1.041, allocations: 0.8299 MB / 0.877 GB, free: 2.219 MB / 0.6856 GB Notification: Performance of NFTyping.typeBindings: time 0.006141/1.047, allocations: 2.451 MB / 0.8794 GB, free: 2.141 MB / 0.6856 GB Notification: Performance of NFTyping.typeClassSections: time 0.005543/1.053, allocations: 2.285 MB / 0.8816 GB, free: 2.074 MB / 0.6856 GB Notification: Performance of NFFlatten.flatten: time 0.005623/1.059, allocations: 3.696 MB / 0.8853 GB, free: 2.07 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002102/1.061, allocations: 1.336 MB / 0.8866 GB, free: 1.93 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004439/1.065, allocations: 1.949 MB / 0.8885 GB, free: 1.91 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001758/1.067, allocations: 1.152 MB / 0.8896 GB, free: 1.91 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.0002967/1.067, allocations: 153 kB / 0.8897 GB, free: 1.91 MB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006463/1.074, allocations: 3.071 MB / 0.8927 GB, free: 1.879 MB / 0.6856 GB Notification: Performance of NFScalarize.scalarize: time 0.0005201/1.074, allocations: 468.3 kB / 0.8932 GB, free: 1.879 MB / 0.6856 GB Notification: Performance of NFVerifyModel.verify: time 0.001289/1.076, allocations: 0.9063 MB / 0.8941 GB, free: 1.879 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.005549/1.081, allocations: 3.361 MB / 0.8973 GB, free: 1.543 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 6.432e-06/1.081, allocations: 1.438 kB / 0.8973 GB, free: 1.543 MB / 0.6856 GB Notification: Performance of FrontEnd: time 1.423e-06/1.081, allocations: 3.188 kB / 0.8974 GB, free: 1.543 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 2.729e-05/1.081, allocations: 0.9688 kB / 0.8974 GB, free: 1.543 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 0.004945/1.086, allocations: 2.418 MB / 0.8997 GB, free: 16.3 MB / 0.7012 GB Notification: Performance of prepare preOptimizeDAE: time 3.475e-05/1.086, allocations: 12.72 kB / 0.8997 GB, free: 16.3 MB / 0.7012 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002739/1.089, allocations: 0.5493 MB / 0.9003 GB, free: 16.2 MB / 0.7012 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002349/1.091, allocations: 1.321 MB / 0.9016 GB, free: 15.77 MB / 0.7012 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.903e-05/1.091, allocations: 85.41 kB / 0.9016 GB, free: 15.77 MB / 0.7012 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001875/1.092, allocations: 116.4 kB / 0.9017 GB, free: 15.77 MB / 0.7012 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002518/1.094, allocations: 1.319 MB / 0.903 GB, free: 15.64 MB / 0.7012 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.408e-05/1.094, allocations: 1 kB / 0.903 GB, free: 15.64 MB / 0.7012 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001061/1.094, allocations: 43.3 kB / 0.9031 GB, free: 15.64 MB / 0.7012 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.858e-05/1.094, allocations: 42.59 kB / 0.9031 GB, free: 15.64 MB / 0.7012 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002866/1.097, allocations: 1.339 MB / 0.9044 GB, free: 15.63 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 0.007459/1.105, allocations: 5.288 MB / 0.9096 GB, free: 13.54 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00212/1.107, allocations: 1.011 MB / 0.9106 GB, free: 13.42 MB / 0.7012 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001052/1.108, allocations: 0.5347 MB / 0.9111 GB, free: 13.41 MB / 0.7012 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009696/1.109, allocations: 0.7518 MB / 0.9118 GB, free: 12.66 MB / 0.7012 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0013/1.11, allocations: 0.6036 MB / 0.9124 GB, free: 12.61 MB / 0.7012 GB Notification: Performance of pre-optimization done (n=82): time 2.875e-06/1.11, allocations: 0 / 0.9124 GB, free: 12.61 MB / 0.7012 GB Notification: Performance of matching and sorting (n=82): time 0.00421/1.114, allocations: 1.579 MB / 0.914 GB, free: 12.49 MB / 0.7012 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.278e-05/1.114, allocations: 61.56 kB / 0.914 GB, free: 12.42 MB / 0.7012 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00163/1.116, allocations: 1.328 MB / 0.9153 GB, free: 12.25 MB / 0.7012 GB Notification: Performance of collectPreVariables (initialization): time 0.0001397/1.116, allocations: 46.17 kB / 0.9154 GB, free: 12.21 MB / 0.7012 GB Notification: Performance of collectInitialEqns (initialization): time 0.000451/1.117, allocations: 0.6532 MB / 0.916 GB, free: 12 MB / 0.7012 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002397/1.117, allocations: 294.1 kB / 0.9163 GB, free: 11.81 MB / 0.7012 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003898/1.117, allocations: 242 kB / 0.9165 GB, free: 11.78 MB / 0.7012 GB Notification: Performance of setup shared object (initialization): time 0.0001604/1.118, allocations: 348.2 kB / 0.9168 GB, free: 11.48 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001296/1.119, allocations: 0.5031 MB / 0.9173 GB, free: 11.46 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001432/1.12, allocations: 0.7803 MB / 0.9181 GB, free: 11.2 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002398/1.123, allocations: 1.177 MB / 0.9192 GB, free: 10.99 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.532e-06/1.123, allocations: 0 / 0.9192 GB, free: 10.99 MB / 0.7012 GB Notification: Performance of matching and sorting (n=134) (initialization): time 0.003374/1.126, allocations: 1.474 MB / 0.9207 GB, free: 10.82 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 4.368e-05/1.126, allocations: 39.27 kB / 0.9207 GB, free: 10.79 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.195e-05/1.126, allocations: 5.5 kB / 0.9207 GB, free: 10.79 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.286e-05/1.126, allocations: 11 kB / 0.9207 GB, free: 10.79 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001594/1.128, allocations: 346.6 kB / 0.9211 GB, free: 10.78 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006489/1.128, allocations: 1.197 MB / 0.9222 GB, free: 9.609 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001561/1.13, allocations: 201.2 kB / 0.9224 GB, free: 9.539 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001032/1.13, allocations: 54.47 kB / 0.9225 GB, free: 9.539 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001587/1.132, allocations: 0.7469 MB / 0.9232 GB, free: 9.449 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001342/1.133, allocations: 0.7706 MB / 0.924 GB, free: 9.176 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002297/1.135, allocations: 1.167 MB / 0.9251 GB, free: 8.93 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.418e-06/1.135, allocations: 1.312 kB / 0.9251 GB, free: 8.93 MB / 0.7012 GB Notification: Performance of matching and sorting (n=134) (initialization_lambda0): time 0.003258/1.139, allocations: 1.461 MB / 0.9265 GB, free: 8.758 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 3.119e-05/1.139, allocations: 34.55 kB / 0.9266 GB, free: 8.727 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.773e-06/1.139, allocations: 6.875 kB / 0.9266 GB, free: 8.727 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.107e-06/1.139, allocations: 8.844 kB / 0.9266 GB, free: 8.727 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001281/1.14, allocations: 317.9 kB / 0.9269 GB, free: 8.719 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.471e-05/1.14, allocations: 15.69 kB / 0.9269 GB, free: 8.715 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001466/1.142, allocations: 169.5 kB / 0.9271 GB, free: 8.668 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.977e-05/1.142, allocations: 56.69 kB / 0.9271 GB, free: 8.668 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 0.0003406/1.142, allocations: 240.6 kB / 0.9273 GB, free: 8.484 MB / 0.7012 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002477/1.142, allocations: 161.3 kB / 0.9275 GB, free: 8.398 MB / 0.7012 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00293/1.145, allocations: 1.308 MB / 0.9288 GB, free: 8.309 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.149e-05/1.145, allocations: 13.89 kB / 0.9288 GB, free: 8.305 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.931e-06/1.145, allocations: 0 / 0.9288 GB, free: 8.305 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.039e-05/1.145, allocations: 5.719 kB / 0.9288 GB, free: 8.305 MB / 0.7012 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00487/1.15, allocations: 2.841 MB / 0.9316 GB, free: 7.793 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.782e-06/1.15, allocations: 8.5 kB / 0.9316 GB, free: 7.793 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001037/1.151, allocations: 229.7 kB / 0.9318 GB, free: 7.785 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.766e-06/1.151, allocations: 6.156 kB / 0.9318 GB, free: 7.785 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.84e-05/1.151, allocations: 27.77 kB / 0.9318 GB, free: 7.785 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005513/1.152, allocations: 1.192 MB / 0.933 GB, free: 6.609 MB / 0.7012 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.747e-06/1.152, allocations: 5.875 kB / 0.933 GB, free: 6.609 MB / 0.7012 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00392/1.156, allocations: 2.046 MB / 0.935 GB, free: 6.211 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005943/1.156, allocations: 369.9 kB / 0.9353 GB, free: 6.016 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001929/1.157, allocations: 25.39 kB / 0.9354 GB, free: 6.016 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001037/1.158, allocations: 92.27 kB / 0.9355 GB, free: 6.008 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001418/1.158, allocations: 77.39 kB / 0.9355 GB, free: 6 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.196e-05/1.158, allocations: 38.69 kB / 0.9356 GB, free: 6 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.001093/1.159, allocations: 0.888 MB / 0.9364 GB, free: 5.891 MB / 0.7012 GB Notification: Performance of sort global known variables: time 2.7e-07/1.159, allocations: 0 / 0.9364 GB, free: 5.891 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.001846/1.161, allocations: 0.7896 MB / 0.9372 GB, free: 5.801 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 0.0009264/1.162, allocations: 477.4 kB / 0.9377 GB, free: 5.645 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.004605/1.166, allocations: 2.045 MB / 0.9397 GB, free: 5.473 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 5.07e-06/1.166, allocations: 0 / 0.9397 GB, free: 5.473 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.001462/1.168, allocations: 0.6324 MB / 0.9403 GB, free: 5.457 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00285/1.171, allocations: 0.6915 MB / 0.941 GB, free: 5.336 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004413/1.175, allocations: 2.732 MB / 0.9436 GB, free: 4.059 MB / 0.7012 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006781/1.176, allocations: 1.229 MB / 0.9448 GB, free: 3.137 MB / 0.7012 GB Notification: Performance of simCode: alias equations: time 0.00154/1.177, allocations: 410 kB / 0.9452 GB, free: 2.945 MB / 0.7012 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003553/1.178, allocations: 128.9 kB / 0.9453 GB, free: 2.926 MB / 0.7012 GB Notification: Performance of SimCode: time 5.51e-07/1.178, allocations: 0 / 0.9453 GB, free: 2.926 MB / 0.7012 GB Notification: Performance of Templates: time 0.04736/1.225, allocations: 30.56 MB / 0.9752 GB, free: 6.375 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)