Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.DC.Sources.Examples.PVSimple.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo) Running command: translateModel(Buildings.Electrical.DC.Sources.Examples.PVSimple,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.DC.Sources.Examples.PVSimple") translateModel(Buildings.Electrical.DC.Sources.Examples.PVSimple,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.DC.Sources.Examples.PVSimple") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.749/2.749, allocations: 287.5 MB / 302.4 MB, free: 8.258 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00135/0.00135, allocations: 192.9 kB / 371 MB, free: 10.87 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.304/2.304, allocations: 205.4 MB / 0.6297 GB, free: 10.62 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001332/0.001332, allocations: 104.8 kB / 0.743 GB, free: 6.617 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.000812/0.0008123, allocations: 11.95 kB / 0.8658 GB, free: 140.6 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2648/0.2657, allocations: 115.3 MB / 0.9784 GB, free: 28.37 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.DC.Sources.Examples.PVSimple): time 0.01578/0.2816, allocations: 6.663 MB / 0.9849 GB, free: 21.68 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.9401/1.222, allocations: 138 MB / 1.12 GB, free: 1.645 MB / 0.6823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001587/1.223, allocations: 26.19 kB / 1.12 GB, free: 1.637 MB / 0.6823 GB Notification: Performance of NFTyping.typeComponents: time 0.001287/1.225, allocations: 198.3 kB / 1.12 GB, free: 1.543 MB / 0.6823 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-105:25:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘ contains a call to impure function ‘Modelica.Utilities.Streams.readLine‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-48:21:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLongitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-48:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLatitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-47:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getTimeZoneTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. Notification: Performance of NFTyping.typeBindings: time 0.003297/1.228, allocations: 0.5532 MB / 1.12 GB, free: 1.387 MB / 0.6823 GB Notification: Performance of NFTyping.typeClassSections: time 0.004197/1.232, allocations: 0.8146 MB / 1.121 GB, free: 1.316 MB / 0.6823 GB Notification: Performance of NFFlatten.flatten: time 0.004063/1.236, allocations: 1.874 MB / 1.123 GB, free: 1.035 MB / 0.6823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003394/1.24, allocations: 1.257 MB / 1.124 GB, free: 0.7305 MB / 0.6823 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002093/1.242, allocations: 0.5522 MB / 1.125 GB, free: 0.5859 MB / 0.6823 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002491/1.245, allocations: 0.6628 MB / 1.125 GB, free: 424 kB / 0.6823 GB Notification: Performance of NFPackage.collectConstants: time 0.000829/1.245, allocations: 49.53 kB / 1.125 GB, free: 424 kB / 0.6823 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002575/1.248, allocations: 359.5 kB / 1.126 GB, free: 404 kB / 0.6823 GB Notification: Performance of NFScalarize.scalarize: time 0.001046/1.249, allocations: 328.1 kB / 1.126 GB, free: 336 kB / 0.6823 GB Notification: Performance of NFVerifyModel.verify: time 0.0008217/1.25, allocations: 303.9 kB / 1.126 GB, free: 248 kB / 0.6823 GB Notification: Performance of NFConvertDAE.convert: time 0.00494/1.255, allocations: 1.905 MB / 1.128 GB, free: 104 kB / 0.6823 GB Notification: Performance of FrontEnd - DAE generated: time 1.159e-05/1.255, allocations: 0 / 1.128 GB, free: 104 kB / 0.6823 GB Notification: Performance of FrontEnd: time 4.438e-06/1.255, allocations: 0 / 1.128 GB, free: 104 kB / 0.6823 GB Notification: Performance of Transformations before backend: time 0.0001334/1.255, allocations: 0 / 1.128 GB, free: 104 kB / 0.6823 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 408 * Number of variables: 408 Notification: Performance of Generate backend data structure: time 0.009043/1.264, allocations: 1.727 MB / 1.13 GB, free: 15.14 MB / 0.698 GB Notification: Performance of prepare preOptimizeDAE: time 6.447e-05/1.264, allocations: 13.3 kB / 1.13 GB, free: 15.14 MB / 0.698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01504/1.279, allocations: 0.9339 MB / 1.131 GB, free: 15.02 MB / 0.698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003858/1.283, allocations: 0.986 MB / 1.132 GB, free: 14.64 MB / 0.698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001901/1.284, allocations: 122.8 kB / 1.132 GB, free: 14.63 MB / 0.698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007986/1.284, allocations: 154.4 kB / 1.132 GB, free: 14.63 MB / 0.698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01038/1.295, allocations: 2.059 MB / 1.134 GB, free: 14.38 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.293e-05/1.295, allocations: 2.938 kB / 1.134 GB, free: 14.38 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002926/1.295, allocations: 62.94 kB / 1.134 GB, free: 14.38 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001305/1.295, allocations: 74.41 kB / 1.134 GB, free: 14.37 MB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01132/1.307, allocations: 2.406 MB / 1.137 GB, free: 14.03 MB / 0.698 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02121/1.328, allocations: 6.401 MB / 1.143 GB, free: 10.62 MB / 0.698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008053/1.336, allocations: 1.563 MB / 1.144 GB, free: 10.33 MB / 0.698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003802/1.34, allocations: 0.7419 MB / 1.145 GB, free: 10.21 MB / 0.698 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001211/1.341, allocations: 493.2 kB / 1.146 GB, free: 9.703 MB / 0.698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004134/1.345, allocations: 0.9197 MB / 1.146 GB, free: 9.359 MB / 0.698 GB Notification: Performance of pre-optimization done (n=128): time 5.53e-06/1.345, allocations: 0 / 1.146 GB, free: 9.359 MB / 0.698 GB Notification: Performance of matching and sorting (n=128): time 0.01146/1.357, allocations: 2.171 MB / 1.149 GB, free: 8.824 MB / 0.698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001983/1.357, allocations: 300.9 kB / 1.149 GB, free: 8.48 MB / 0.698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001858/1.359, allocations: 0.8318 MB / 1.15 GB, free: 8.195 MB / 0.698 GB Notification: Performance of collectPreVariables (initialization): time 0.0004401/1.359, allocations: 49.23 kB / 1.15 GB, free: 8.164 MB / 0.698 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008366/1.36, allocations: 0.6282 MB / 1.15 GB, free: 7.785 MB / 0.698 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008628/1.361, allocations: 424.2 kB / 1.151 GB, free: 7.484 MB / 0.698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001606/1.361, allocations: 27.78 kB / 1.151 GB, free: 7.48 MB / 0.698 GB Notification: Performance of setup shared object (initialization): time 0.0002199/1.362, allocations: 359.2 kB / 1.151 GB, free: 7.156 MB / 0.698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003269/1.365, allocations: 0.5974 MB / 1.152 GB, free: 7.055 MB / 0.698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003809/1.369, allocations: 0.7869 MB / 1.152 GB, free: 6.785 MB / 0.698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003647/1.372, allocations: 0.6638 MB / 1.153 GB, free: 6.699 MB / 0.698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.461e-05/1.373, allocations: 0 / 1.153 GB, free: 6.699 MB / 0.698 GB Notification: Performance of matching and sorting (n=157) (initialization): time 0.008463/1.381, allocations: 1.653 MB / 1.155 GB, free: 6.328 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001744/1.381, allocations: 182.2 kB / 1.155 GB, free: 6.129 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.816e-05/1.381, allocations: 3 kB / 1.155 GB, free: 6.129 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003014/1.382, allocations: 34.25 kB / 1.155 GB, free: 6.117 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003757/1.385, allocations: 343.3 kB / 1.155 GB, free: 6.027 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001833/1.387, allocations: 1.292 MB / 1.157 GB, free: 4.723 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00329/1.391, allocations: 199.5 kB / 1.157 GB, free: 4.625 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004328/1.391, allocations: 60.3 kB / 1.157 GB, free: 4.613 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 1.298e-05/1.391, allocations: 5.781 kB / 1.157 GB, free: 4.613 MB / 0.698 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.007474/1.399, allocations: 1.514 MB / 1.158 GB, free: 4.352 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.798e-05/1.399, allocations: 3.062 kB / 1.158 GB, free: 4.352 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.866e-05/1.399, allocations: 11.94 kB / 1.158 GB, free: 4.348 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003619/1.402, allocations: 336.5 kB / 1.159 GB, free: 4.266 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.06e-05/1.402, allocations: 17.08 kB / 1.159 GB, free: 4.258 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002966/1.405, allocations: 183.2 kB / 1.159 GB, free: 4.176 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004096/1.406, allocations: 59.52 kB / 1.159 GB, free: 4.164 MB / 0.698 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 8 ($whenCondition2,$whenCondition1,$PRE.weaDat.conTimMin.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTim.tNext,weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.canRepeatWeatherFile) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (156): * Single equations (assignments): 155 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 1} Notification: Performance of prepare postOptimizeDAE: time 0.00153/1.407, allocations: 449 kB / 1.159 GB, free: 3.938 MB / 0.698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005699/1.408, allocations: 130.5 kB / 1.159 GB, free: 3.867 MB / 0.698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009368/1.417, allocations: 1.885 MB / 1.161 GB, free: 3.352 MB / 0.698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.468e-05/1.417, allocations: 13.81 kB / 1.161 GB, free: 3.352 MB / 0.698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.074e-05/1.417, allocations: 3.984 kB / 1.161 GB, free: 3.348 MB / 0.698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.07e-05/1.417, allocations: 8.75 kB / 1.161 GB, free: 3.344 MB / 0.698 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01294/1.43, allocations: 3.637 MB / 1.165 GB, free: 1.988 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.247e-05/1.43, allocations: 4.125 kB / 1.165 GB, free: 1.984 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003316/1.434, allocations: 310.7 kB / 1.165 GB, free: 1.906 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002242/1.434, allocations: 33.25 kB / 1.165 GB, free: 1.891 MB / 0.698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000319/1.434, allocations: 40.28 kB / 1.165 GB, free: 1.883 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001315/1.436, allocations: 1.269 MB / 1.166 GB, free: 0.5977 MB / 0.698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.757e-06/1.436, allocations: 3.188 kB / 1.166 GB, free: 0.5977 MB / 0.698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007926/1.444, allocations: 1.711 MB / 1.168 GB, free: 15.86 MB / 0.7136 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001396/1.445, allocations: 405.2 kB / 1.168 GB, free: 15.51 MB / 0.7136 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004396/1.446, allocations: 34 kB / 1.168 GB, free: 15.49 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002737/1.448, allocations: 134.4 kB / 1.169 GB, free: 15.43 MB / 0.7136 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004044/1.449, allocations: 94.36 kB / 1.169 GB, free: 15.38 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002308/1.449, allocations: 55.48 kB / 1.169 GB, free: 15.36 MB / 0.7136 GB Notification: Performance of sorting global known variables: time 0.00141/1.451, allocations: 0.5881 MB / 1.169 GB, free: 15.01 MB / 0.7136 GB Notification: Performance of sort global known variables: time 7.91e-07/1.451, allocations: 0 / 1.169 GB, free: 15.01 MB / 0.7136 GB Notification: Performance of remove unused functions: time 0.003494/1.454, allocations: 0.7411 MB / 1.17 GB, free: 14.78 MB / 0.7136 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of discrete states: 2 (weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (142): * Single equations (assignments): 139 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 1} Notification: Performance of Backend phase and start with SimCode phase: time 0.002077/1.456, allocations: 0.5838 MB / 1.171 GB, free: 14.52 MB / 0.7136 GB Notification: Performance of simCode: created initialization part: time 0.01212/1.468, allocations: 2.451 MB / 1.173 GB, free: 13.32 MB / 0.7136 GB Notification: Performance of simCode: created event and clocks part: time 1.131e-05/1.468, allocations: 0 / 1.173 GB, free: 13.32 MB / 0.7136 GB Notification: Performance of simCode: created simulation system equations: time 0.004008/1.472, allocations: 0.9052 MB / 1.174 GB, free: 12.84 MB / 0.7136 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003258/1.476, allocations: 324 kB / 1.174 GB, free: 12.66 MB / 0.7136 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01033/1.486, allocations: 3.44 MB / 1.178 GB, free: 10.39 MB / 0.7136 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001277/1.487, allocations: 1.256 MB / 1.179 GB, free: 9.445 MB / 0.7136 GB Notification: Performance of simCode: alias equations: time 0.004634/1.492, allocations: 0.5159 MB / 1.179 GB, free: 9.16 MB / 0.7136 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001066/1.493, allocations: 153.2 kB / 1.179 GB, free: 9.109 MB / 0.7136 GB Notification: Performance of SimCode: time 1.103e-06/1.493, allocations: 0 / 1.179 GB, free: 9.109 MB / 0.7136 GB Notification: Performance of Templates: time 0.05811/1.551, allocations: 18.94 MB / 1.198 GB, free: 6.312 MB / 0.7292 GB make -j1 -f Buildings_8.0.0_Buildings.Electrical.DC.Sources.Examples.PVSimple.makefile (rm -f Buildings_8.0.0_Buildings.Electrical.DC.Sources.Examples.PVSimple.pipe ; mkfifo Buildings_8.0.0_Buildings.Electrical.DC.Sources.Examples.PVSimple.pipe ; head -c 1048576 < Buildings_8.0.0_Buildings.Electrical.DC.Sources.Examples.PVSimple.pipe >> ../files/Buildings_8.0.0_Buildings.Electrical.DC.Sources.Examples.PVSimple.sim & ./Buildings_8.0.0_Buildings.Electrical.DC.Sources.Examples.PVSimple -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8.0.0_Buildings.Electrical.DC.Sources.Examples.PVSimple.pipe 2>&1)