Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsSeries.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-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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: "" <> buildModelFMU(IDEAS.Fluid.Movers.Examples.PumpsSeries,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Movers_Examples_PumpsSeries",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Movers.Examples.PumpsSeries,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Movers_Examples_PumpsSeries",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.005829/0.005829, allocations: 101.2 kB / 15.73 MB, free: 6.047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001211/0.001211, allocations: 196.2 kB / 16.67 MB, free: 5.977 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.366/1.366, allocations: 222.9 MB / 240.4 MB, free: 4.332 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9693/0.9693, allocations: 135.1 MB / 425.7 MB, free: 11.98 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00132/0.00132, allocations: 63.91 kB / 0.5851 GB, free: 3.895 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.419/0.4203, allocations: 80.92 MB / 0.6641 GB, free: 7.297 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Examples.PumpsSeries): time 0.04657/0.4669, allocations: 50.72 MB / 0.7137 GB, free: 14.58 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.02328/0.4903, allocations: 16.1 MB / 0.7294 GB, free: 14.64 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003037/0.4933, allocations: 71.62 kB / 0.7295 GB, free: 14.57 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.00327/0.4966, allocations: 1.06 MB / 0.7305 GB, free: 13.5 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.006747/0.5034, allocations: 2.428 MB / 0.7329 GB, free: 11.06 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.004849/0.5083, allocations: 1.996 MB / 0.7348 GB, free: 9.078 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.006336/0.5146, allocations: 4.416 MB / 0.7391 GB, free: 4.652 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002494/0.5172, allocations: 1.665 MB / 0.7408 GB, free: 2.957 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003824/0.521, allocations: 1.842 MB / 0.7426 GB, free: 1.113 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001757/0.5228, allocations: 1.35 MB / 0.7439 GB, free: 15.76 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0002612/0.523, allocations: 184 kB / 0.7441 GB, free: 15.58 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003041/0.5261, allocations: 1.564 MB / 0.7456 GB, free: 14.01 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0005646/0.5267, allocations: 0.6036 MB / 0.7462 GB, free: 13.41 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.000996/0.5277, allocations: 1.042 MB / 0.7472 GB, free: 12.36 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.004612/0.5323, allocations: 3.42 MB / 0.7505 GB, free: 8.93 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 3.877e-06/0.5323, allocations: 0 / 0.7505 GB, free: 8.93 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.773e-06/0.5323, allocations: 0 / 0.7505 GB, free: 8.93 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 2.898e-05/0.5324, allocations: 0 / 0.7505 GB, free: 8.93 MB / 0.5762 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 0.003952/0.5363, allocations: 2.392 MB / 0.7529 GB, free: 6.477 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.228e-05/0.5364, allocations: 12.03 kB / 0.7529 GB, free: 6.465 MB / 0.5762 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001717/0.5365, allocations: 156.3 kB / 0.753 GB, free: 6.305 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002847/0.5394, allocations: 0.5603 MB / 0.7536 GB, free: 5.742 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003967/0.5434, allocations: 1.847 MB / 0.7554 GB, free: 3.848 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.506e-05/0.5435, allocations: 82 kB / 0.7555 GB, free: 3.766 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001618/0.5436, allocations: 112 kB / 0.7556 GB, free: 3.656 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002237/0.5459, allocations: 1.232 MB / 0.7568 GB, free: 2.379 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.329e-05/0.5459, allocations: 7.875 kB / 0.7568 GB, free: 2.371 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.265e-05/0.546, allocations: 44 kB / 0.7568 GB, free: 2.328 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.729e-05/0.5461, allocations: 38 kB / 0.7568 GB, free: 2.289 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002152/0.5482, allocations: 0.9485 MB / 0.7578 GB, free: 1.34 MB / 0.5762 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 0.007339/0.5556, allocations: 5.811 MB / 0.7634 GB, free: 11.14 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001915/0.5575, allocations: 0.8055 MB / 0.7642 GB, free: 10.31 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007515/0.5583, allocations: 354.4 kB / 0.7646 GB, free: 9.961 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002792/0.5611, allocations: 2.153 MB / 0.7667 GB, free: 7.594 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.202e-05/0.5611, allocations: 39.12 kB / 0.7667 GB, free: 7.547 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=57): time 1.934e-06/0.5611, allocations: 4 kB / 0.7667 GB, free: 7.543 MB / 0.5919 GB Notification: Performance of matching and sorting (n=57): time 0.003288/0.5644, allocations: 1.206 MB / 0.7679 GB, free: 6.312 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.652e-05/0.5645, allocations: 63.91 kB / 0.768 GB, free: 6.238 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001799/0.5663, allocations: 1.507 MB / 0.7694 GB, free: 4.73 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 6.231e-05/0.5663, allocations: 41.7 kB / 0.7695 GB, free: 4.684 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005483/0.5669, allocations: 0.7796 MB / 0.7702 GB, free: 3.895 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001783/0.5671, allocations: 205 kB / 0.7704 GB, free: 3.691 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003006/0.5674, allocations: 214.4 kB / 0.7706 GB, free: 3.473 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001182/0.5675, allocations: 342 kB / 0.771 GB, free: 3.133 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009032/0.5684, allocations: 424.6 kB / 0.7714 GB, free: 2.715 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001138/0.5696, allocations: 0.714 MB / 0.7721 GB, free: 1.875 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001987/0.5716, allocations: 1.105 MB / 0.7731 GB, free: 0.6602 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.11e-06/0.5716, allocations: 4 kB / 0.7731 GB, free: 0.6562 MB / 0.5919 GB Notification: Performance of matching and sorting (n=107) (initialization): time 0.002856/0.5744, allocations: 1.362 MB / 0.7745 GB, free: 15.28 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 2.197e-05/0.5745, allocations: 8.688 kB / 0.7745 GB, free: 15.27 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.295e-05/0.5745, allocations: 8 kB / 0.7745 GB, free: 15.26 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004926/0.575, allocations: 148.8 kB / 0.7746 GB, free: 15.11 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009206/0.5759, allocations: 223.7 kB / 0.7748 GB, free: 14.89 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005424/0.5765, allocations: 0.6732 MB / 0.7755 GB, free: 14.2 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009694/0.5775, allocations: 103 kB / 0.7756 GB, free: 14.09 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001044/0.5776, allocations: 59.97 kB / 0.7757 GB, free: 14.04 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001212/0.5788, allocations: 0.6815 MB / 0.7763 GB, free: 13.35 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009437/0.5798, allocations: 0.6554 MB / 0.777 GB, free: 12.57 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001611/0.5814, allocations: 0.9838 MB / 0.7779 GB, free: 11.47 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.977e-06/0.5814, allocations: 192 / 0.7779 GB, free: 11.47 MB / 0.6075 GB Notification: Performance of matching and sorting (n=107) (initialization_lambda0): time 0.002667/0.5841, allocations: 1.257 MB / 0.7791 GB, free: 10.2 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 1.57e-05/0.5841, allocations: 14.75 kB / 0.7792 GB, free: 10.19 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.047e-05/0.5841, allocations: 16.03 kB / 0.7792 GB, free: 10.17 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008729/0.585, allocations: 208.6 kB / 0.7794 GB, free: 9.965 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008002/0.5858, allocations: 219.7 kB / 0.7796 GB, free: 9.75 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005543/0.5914, allocations: 3.497 MB / 0.783 GB, free: 6.043 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001026/0.5924, allocations: 79.41 kB / 0.7831 GB, free: 5.965 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001236/0.5926, allocations: 55.92 kB / 0.7831 GB, free: 5.91 MB / 0.6075 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * 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 (100): * Single equations (assignments): 97 * Array equations: 2 * 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 {(1,5)} Notification: Performance of prepare postOptimizeDAE: time 0.0003035/0.5929, allocations: 236 kB / 0.7834 GB, free: 5.672 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003653/0.5932, allocations: 161.9 kB / 0.7835 GB, free: 5.512 MB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002857/0.5961, allocations: 1.197 MB / 0.7847 GB, free: 4.305 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.749e-05/0.5961, allocations: 19.98 kB / 0.7847 GB, free: 4.285 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.317e-06/0.5961, allocations: 0 / 0.7847 GB, free: 4.285 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.057e-05/0.5962, allocations: 3.984 kB / 0.7847 GB, free: 4.281 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004461/0.6006, allocations: 2.372 MB / 0.787 GB, free: 1.836 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.08e-06/0.6006, allocations: 4 kB / 0.787 GB, free: 1.832 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006603/0.6013, allocations: 123.8 kB / 0.7871 GB, free: 1.711 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003334/0.6017, allocations: 108.8 kB / 0.7872 GB, free: 1.602 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.508e-05/0.6017, allocations: 31.98 kB / 0.7873 GB, free: 1.57 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004326/0.6022, allocations: 0.6343 MB / 0.7879 GB, free: 0.9102 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.129e-06/0.6022, allocations: 3.938 kB / 0.7879 GB, free: 0.9062 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003228/0.6054, allocations: 1.584 MB / 0.7894 GB, free: 15.29 MB / 0.6231 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006298/0.6061, allocations: 338.7 kB / 0.7898 GB, free: 14.94 MB / 0.6231 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002397/0.6063, allocations: 16 kB / 0.7898 GB, free: 14.92 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008092/0.6071, allocations: 39.97 kB / 0.7898 GB, free: 14.88 MB / 0.6231 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.061e-05/0.6072, allocations: 44.44 kB / 0.7899 GB, free: 14.84 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.292e-05/0.6073, allocations: 35.97 kB / 0.7899 GB, free: 14.8 MB / 0.6231 GB Notification: Performance of sorting global known variables: time 0.001677/0.609, allocations: 1.028 MB / 0.7909 GB, free: 13.79 MB / 0.6231 GB Notification: Performance of sort global known variables: time 1.9e-07/0.609, allocations: 0 / 0.7909 GB, free: 13.79 MB / 0.6231 GB Notification: Performance of remove unused functions: time 0.00243/0.6114, allocations: 0.8848 MB / 0.7918 GB, free: 12.9 MB / 0.6231 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 4 (floMac1.filter.s[1],floMac1.filter.s[2],floMac2.filter.s[1],floMac2.filter.s[2]) * 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 (64): * Single equations (assignments): 57 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * 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 {(1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.004925/0.6164, allocations: 2.579 MB / 0.7943 GB, free: 10.28 MB / 0.6231 GB Notification: Performance of simCode: created initialization part: time 0.003714/0.6201, allocations: 1.662 MB / 0.7959 GB, free: 8.609 MB / 0.6231 GB Notification: Performance of simCode: created event and clocks part: time 4.879e-06/0.6201, allocations: 8.188 kB / 0.7959 GB, free: 8.602 MB / 0.6231 GB Notification: Performance of simCode: created simulation system equations: time 0.001001/0.6211, allocations: 427 kB / 0.7963 GB, free: 8.188 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003337/0.6245, allocations: 0.7668 MB / 0.7971 GB, free: 7.441 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02276/0.6473, allocations: 12.03 MB / 0.8088 GB, free: 10.96 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001163/0.6485, allocations: 1.368 MB / 0.8102 GB, free: 9.562 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.001539/0.65, allocations: 405.2 kB / 0.8105 GB, free: 9.16 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009921/0.651, allocations: 0.6789 MB / 0.8112 GB, free: 8.48 MB / 0.6387 GB Notification: Performance of SimCode: time 1.362e-06/0.6511, allocations: 4 kB / 0.8112 GB, free: 8.477 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08533/0.7364, allocations: 49.32 MB / 0.8594 GB, free: 7.617 MB / 0.6856 GB Notification: Performance of buildModelFMU: Generate platform static: time 14.44/15.18, allocations: 17.5 kB / 0.8594 GB, free: 7.605 MB / 0.6856 GB (rm -f IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsSeries.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsSeries.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsSeries.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsSeries.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_dev_IDEAS_Fluid_Movers_Examples_PumpsSeries_fmu --startTime=0 --stopTime=300 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_Fluid_Movers_Examples_PumpsSeries.fmu > IDEAS_dev_IDEAS.Fluid.Movers.Examples.PumpsSeries.pipe 2>&1)