Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ThermoPower_ThermoPower.Test.WaterComponents.TestMixerSlowFast.conf.json 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) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo", uses=false) Using package ThermoPower with version 3.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo) 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) Running command: translateModel(ThermoPower.Test.WaterComponents.TestMixerSlowFast,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.WaterComponents.TestMixerSlowFast") translateModel(ThermoPower.Test.WaterComponents.TestMixerSlowFast,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.WaterComponents.TestMixerSlowFast") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001105/0.001105, allocations: 186.5 kB / 17.27 MB, free: 4.504 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.343/1.343, allocations: 205.1 MB / 223.1 MB, free: 8.477 MB / 186.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.000981/0.0009809, allocations: 100 kB / 270.5 MB, free: 8.449 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo): time 0.3701/0.3701, allocations: 48.83 MB / 366.7 MB, free: 46.58 MB / 298.7 MB Warning: Ignoring unknown experiment annotation option: __Dymola_NumberOfIntervals = 4000 Notification: Performance of FrontEnd - loaded program: time 0.001019/0.001019, allocations: 55.92 kB / 436.6 MB, free: 11.44 MB / 330.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.0907/0.09173, allocations: 59.15 MB / 495.8 MB, free: 160 kB / 378.7 MB Notification: Performance of NFInst.instantiate(ThermoPower.Test.WaterComponents.TestMixerSlowFast): time 0.2042/0.296, allocations: 57.09 MB / 0.5399 GB, free: 25.73 MB / 394.7 MB Notification: Performance of NFInst.instExpressions: time 0.01055/0.3066, allocations: 11.51 MB / 0.5511 GB, free: 17.76 MB / 394.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.000516/0.3071, allocations: 14.28 kB / 0.5511 GB, free: 17.75 MB / 394.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0006929/0.3078, allocations: 231.2 kB / 0.5514 GB, free: 17.62 MB / 394.7 MB Notification: Performance of NFTyping.typeBindings: time 0.0005262/0.3084, allocations: 328.8 kB / 0.5517 GB, free: 17.43 MB / 394.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.01059/0.319, allocations: 4.042 MB / 0.5556 GB, free: 15.59 MB / 394.7 MB Notification: Performance of NFFlatten.flatten: time 0.001276/0.3203, allocations: 1.333 MB / 0.5569 GB, free: 15.08 MB / 394.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0003548/0.3207, allocations: 266.7 kB / 0.5572 GB, free: 14.99 MB / 394.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003307/0.321, allocations: 328.1 kB / 0.5575 GB, free: 14.86 MB / 394.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003387/0.3214, allocations: 369.6 kB / 0.5578 GB, free: 14.7 MB / 394.7 MB Notification: Performance of NFPackage.collectConstants: time 5.062e-05/0.3214, allocations: 24.25 kB / 0.5579 GB, free: 14.7 MB / 394.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01027/0.3317, allocations: 6.256 MB / 0.564 GB, free: 11.71 MB / 394.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0001022/0.3318, allocations: 88.14 kB / 0.5641 GB, free: 11.64 MB / 394.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0003532/0.3322, allocations: 267.3 kB / 0.5643 GB, free: 11.49 MB / 394.7 MB Notification: Performance of NFConvertDAE.convert: time 0.005953/0.3382, allocations: 3.917 MB / 0.5681 GB, free: 8.992 MB / 394.7 MB Notification: Performance of FrontEnd - DAE generated: time 6.001e-06/0.3382, allocations: 5.203 kB / 0.5681 GB, free: 8.988 MB / 394.7 MB Notification: Performance of FrontEnd: time 7.31e-07/0.3382, allocations: 0 / 0.5681 GB, free: 8.988 MB / 394.7 MB Notification: Performance of Transformations before backend: time 7.354e-06/0.3382, allocations: 4 kB / 0.5681 GB, free: 8.984 MB / 394.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 99 * Number of variables: 99 Notification: Performance of Generate backend data structure: time 0.002706/0.3409, allocations: 1.244 MB / 0.5694 GB, free: 8.082 MB / 394.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.35e-05/0.341, allocations: 9.625 kB / 0.5694 GB, free: 8.082 MB / 394.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004303/0.3414, allocations: 114.4 kB / 0.5695 GB, free: 8.023 MB / 394.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003677/0.3418, allocations: 363.3 kB / 0.5698 GB, free: 7.68 MB / 394.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.441e-05/0.3418, allocations: 30.28 kB / 0.5699 GB, free: 7.664 MB / 394.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.566e-05/0.3419, allocations: 47.03 kB / 0.5699 GB, free: 7.645 MB / 394.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001331/0.3432, allocations: 0.6226 MB / 0.5705 GB, free: 7.23 MB / 394.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.306e-05/0.3433, allocations: 0 / 0.5705 GB, free: 7.23 MB / 394.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.511e-05/0.3433, allocations: 16.38 kB / 0.5705 GB, free: 7.219 MB / 394.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.094e-05/0.3433, allocations: 10.12 kB / 0.5705 GB, free: 7.219 MB / 394.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001299/0.3446, allocations: 0.497 MB / 0.571 GB, free: 6.965 MB / 394.7 MB 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 0.001699/0.3463, allocations: 2.51 MB / 0.5735 GB, free: 4.469 MB / 394.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001187/0.3475, allocations: 0.5625 MB / 0.574 GB, free: 4.051 MB / 394.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002284/0.3478, allocations: 138.7 kB / 0.5742 GB, free: 3.977 MB / 394.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.06452/0.4123, allocations: 31.97 MB / 0.6054 GB, free: 3 MB / 426.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.042e-05/0.4124, allocations: 42.5 kB / 0.6054 GB, free: 2.949 MB / 426.7 MB Notification: Performance of pre-optimization done (n=28): time 1.964e-06/0.4124, allocations: 0 / 0.6054 GB, free: 2.949 MB / 426.7 MB Notification: Performance of matching and sorting (n=31): time 0.005805/0.4182, allocations: 1.749 MB / 0.6071 GB, free: 1.121 MB / 426.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.448e-05/0.4183, allocations: 110.8 kB / 0.6072 GB, free: 0.9883 MB / 426.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003643/0.4186, allocations: 353.7 kB / 0.6076 GB, free: 0.6328 MB / 426.7 MB Notification: Performance of collectPreVariables (initialization): time 3.759e-05/0.4187, allocations: 33.7 kB / 0.6076 GB, free: 0.5938 MB / 426.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001467/0.4188, allocations: 240.1 kB / 0.6078 GB, free: 364 kB / 426.7 MB Notification: Performance of collectInitialBindings (initialization): time 9.022e-05/0.4189, allocations: 106.4 kB / 0.6079 GB, free: 256 kB / 426.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001872/0.4191, allocations: 93.66 kB / 0.608 GB, free: 156 kB / 426.7 MB Notification: Performance of setup shared object (initialization): time 0.0001357/0.4193, allocations: 358.7 kB / 0.6084 GB, free: 15.79 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003571/0.4196, allocations: 172.8 kB / 0.6085 GB, free: 15.62 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003902/0.42, allocations: 231.4 kB / 0.6087 GB, free: 15.37 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007039/0.4207, allocations: 377 kB / 0.6091 GB, free: 14.98 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.623e-06/0.4208, allocations: 0 / 0.6091 GB, free: 14.98 MB / 442.7 MB Notification: Performance of matching and sorting (n=41) (initialization): time 0.002008/0.4228, allocations: 0.751 MB / 0.6098 GB, free: 14.22 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.637e-05/0.4228, allocations: 15.97 kB / 0.6099 GB, free: 14.21 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.61e-06/0.4228, allocations: 0 / 0.6099 GB, free: 14.21 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002334/0.4252, allocations: 0.5198 MB / 0.6104 GB, free: 13.68 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001592/0.4253, allocations: 40.66 kB / 0.6104 GB, free: 13.64 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001492/0.4268, allocations: 0.9854 MB / 0.6114 GB, free: 12.63 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004085/0.4273, allocations: 52.02 kB / 0.6114 GB, free: 12.58 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.955e-05/0.4273, allocations: 31.92 kB / 0.6114 GB, free: 12.55 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004248/0.4278, allocations: 272.7 kB / 0.6117 GB, free: 12.28 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003485/0.4281, allocations: 228.1 kB / 0.6119 GB, free: 12.03 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006397/0.4288, allocations: 383.4 kB / 0.6123 GB, free: 11.64 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.513e-06/0.4288, allocations: 0 / 0.6123 GB, free: 11.64 MB / 442.7 MB Notification: Performance of matching and sorting (n=41) (initialization_lambda0): time 0.001675/0.4305, allocations: 0.6886 MB / 0.613 GB, free: 10.94 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.084e-05/0.4305, allocations: 6.812 kB / 0.613 GB, free: 10.93 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.098e-06/0.4305, allocations: 4 kB / 0.613 GB, free: 10.93 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001573/0.4321, allocations: 464.6 kB / 0.6134 GB, free: 10.47 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001665/0.4322, allocations: 39.92 kB / 0.6134 GB, free: 10.43 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001711/0.434, allocations: 0.9426 MB / 0.6144 GB, free: 9.465 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003602/0.4343, allocations: 59.78 kB / 0.6144 GB, free: 9.406 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.473e-05/0.4344, allocations: 23.98 kB / 0.6144 GB, free: 9.383 MB / 442.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 3 (Header1.fluidState.phase,PressDrop1.state.phase,Mixer1.fluidState.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (20): * Single equations (assignments): 19 * 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 {(5,17)} Notification: Performance of prepare postOptimizeDAE: time 0.0001508/0.4346, allocations: 204.9 kB / 0.6146 GB, free: 9.176 MB / 442.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.389e-05/0.4347, allocations: 43.53 kB / 0.6147 GB, free: 9.133 MB / 442.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003704/0.4384, allocations: 3.005 MB / 0.6176 GB, free: 6.125 MB / 442.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.327e-05/0.4384, allocations: 9.484 kB / 0.6176 GB, free: 6.117 MB / 442.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.34e-06/0.4384, allocations: 0 / 0.6176 GB, free: 6.117 MB / 442.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.937e-06/0.4384, allocations: 0 / 0.6176 GB, free: 6.117 MB / 442.7 MB 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 0.004888/0.4433, allocations: 4.486 MB / 0.622 GB, free: 1.469 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.799e-06/0.4433, allocations: 0 / 0.622 GB, free: 1.469 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00056/0.4439, allocations: 79.88 kB / 0.6221 GB, free: 1.391 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002328/0.4462, allocations: 1.157 MB / 0.6232 GB, free: 232 kB / 442.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.23e-05/0.4463, allocations: 15.98 kB / 0.6232 GB, free: 216 kB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003015/0.4493, allocations: 2.766 MB / 0.6259 GB, free: 13.27 MB / 458.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.585e-06/0.4493, allocations: 7.969 kB / 0.6259 GB, free: 13.26 MB / 458.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.3472/0.7965, allocations: 63.99 MB / 0.6884 GB, free: 142.4 MB / 0.4949 GB Notification: Performance of postOpt removeConstants (simulation): time 8.958e-05/0.7966, allocations: 122.3 kB / 0.6885 GB, free: 142.4 MB / 0.4949 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.054e-05/0.7967, allocations: 10.72 kB / 0.6886 GB, free: 142.4 MB / 0.4949 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00037/0.7971, allocations: 45.89 kB / 0.6886 GB, free: 142.4 MB / 0.4949 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001099/0.7972, allocations: 32.8 kB / 0.6886 GB, free: 142.4 MB / 0.4949 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.627e-05/0.7972, allocations: 12.59 kB / 0.6886 GB, free: 142.4 MB / 0.4949 GB Notification: Performance of sorting global known variables: time 0.0002219/0.7975, allocations: 249.2 kB / 0.6889 GB, free: 142.3 MB / 0.4949 GB Notification: Performance of sort global known variables: time 5.92e-07/0.7975, allocations: 0 / 0.6889 GB, free: 142.3 MB / 0.4949 GB Notification: Performance of remove unused functions: time 0.00971/0.8072, allocations: 3.357 MB / 0.6922 GB, free: 142.2 MB / 0.4949 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (Mixer1.p,Mixer1.h,Header1.p,Header1.h) * Number of discrete variables: 4 ($cse2.phase,$cse2.region,$cse3.phase,$cse3.region) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (32): * Single equations (assignments): 27 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 1 * 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 {2, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.01537/0.8226, allocations: 2.109 MB / 0.6942 GB, free: 141.9 MB / 0.4949 GB Notification: Performance of simCode: created initialization part: time 0.002416/0.825, allocations: 0.802 MB / 0.695 GB, free: 141.9 MB / 0.4949 GB Notification: Performance of simCode: created event and clocks part: time 4.138e-06/0.825, allocations: 0.5625 kB / 0.695 GB, free: 141.9 MB / 0.4949 GB Notification: Performance of simCode: created simulation system equations: time 0.001523/0.8266, allocations: 492.8 kB / 0.6955 GB, free: 141.8 MB / 0.4949 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001474/0.8281, allocations: 241.9 kB / 0.6957 GB, free: 141.8 MB / 0.4949 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004779/0.8329, allocations: 2.3 MB / 0.698 GB, free: 140.7 MB / 0.4949 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002758/0.8331, allocations: 0.8831 MB / 0.6988 GB, free: 140 MB / 0.4949 GB Notification: Performance of simCode: alias equations: time 0.0004183/0.8336, allocations: 126.5 kB / 0.6989 GB, free: 139.9 MB / 0.4949 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001382/0.8337, allocations: 42.97 kB / 0.699 GB, free: 139.9 MB / 0.4949 GB Notification: Performance of SimCode: time 5.21e-07/0.8337, allocations: 0 / 0.699 GB, free: 139.9 MB / 0.4949 GB Notification: Performance of Templates: time 0.1423/0.9761, allocations: 147.5 MB / 0.843 GB, free: 30.5 MB / 0.4949 GB make -j1 -f ThermoPower_ThermoPower.Test.WaterComponents.TestMixerSlowFast.makefile (rm -f ThermoPower_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe ; mkfifo ThermoPower_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe ; head -c 1048576 < ThermoPower_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe >> ../files/ThermoPower_ThermoPower.Test.WaterComponents.TestMixerSlowFast.sim & ./ThermoPower_ThermoPower.Test.WaterComponents.TestMixerSlowFast -abortSlowSimulation -alarm=480 -lv LOG_STATS > ThermoPower_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe 2>&1)