Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.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: translateModel(IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T") translateModel(IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.009138/0.009138, allocations: 100.9 kB / 15.73 MB, free: 6.035 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002047/0.002047, allocations: 187.3 kB / 16.67 MB, free: 5.965 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.515/1.515, allocations: 222.9 MB / 240.4 MB, free: 4.297 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.955/0.955, allocations: 135.1 MB / 425.7 MB, free: 11.89 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001383/0.001383, allocations: 64.12 kB / 0.5857 GB, free: 3.281 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3977/0.3991, allocations: 80.92 MB / 0.6647 GB, free: 7.594 MB / 0.4981 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Blocks/Math.mo:543:5-544:48:writable] Warning: Parameter mov.gaiSpe.k has no value, and is fixed during initialization (fixed=true), using available start value (start=1) as default value. Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T): time 0.05009/0.4492, allocations: 53.27 MB / 0.7167 GB, free: 12.19 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.02472/0.474, allocations: 15.18 MB / 0.7315 GB, free: 12.96 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003652/0.4777, allocations: 87.5 kB / 0.7316 GB, free: 12.88 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.00358/0.4813, allocations: 1.138 MB / 0.7327 GB, free: 11.74 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.007101/0.4884, allocations: 2.444 MB / 0.7351 GB, free: 9.289 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.005732/0.4941, allocations: 2.269 MB / 0.7373 GB, free: 7.035 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.006871/0.501, allocations: 4.629 MB / 0.7418 GB, free: 2.398 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002597/0.5037, allocations: 1.633 MB / 0.7434 GB, free: 0.7383 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004627/0.5083, allocations: 1.958 MB / 0.7453 GB, free: 14.78 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002014/0.5103, allocations: 1.353 MB / 0.7467 GB, free: 13.42 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0003057/0.5107, allocations: 172 kB / 0.7468 GB, free: 13.25 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003501/0.5142, allocations: 1.841 MB / 0.7486 GB, free: 11.41 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0005851/0.5148, allocations: 0.5177 MB / 0.7491 GB, free: 10.89 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.001223/0.516, allocations: 1.034 MB / 0.7501 GB, free: 9.848 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.005172/0.5212, allocations: 3.33 MB / 0.7534 GB, free: 6.508 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 5.981e-06/0.5212, allocations: 0 / 0.7534 GB, free: 6.508 MB / 0.5762 GB Notification: Performance of FrontEnd: time 2.134e-06/0.5212, allocations: 0 / 0.7534 GB, free: 6.508 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 3.007e-05/0.5213, allocations: 4 kB / 0.7534 GB, free: 6.504 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: 281 * Number of variables: 281 Notification: Performance of Generate backend data structure: time 0.004324/0.5256, allocations: 2.521 MB / 0.7559 GB, free: 3.914 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.06e-05/0.5256, allocations: 8.031 kB / 0.7559 GB, free: 3.906 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002177/0.5278, allocations: 457.3 kB / 0.7563 GB, free: 3.457 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003244/0.5311, allocations: 1.671 MB / 0.7579 GB, free: 1.734 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.645e-05/0.5312, allocations: 94.2 kB / 0.758 GB, free: 1.641 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001971/0.5314, allocations: 120 kB / 0.7581 GB, free: 1.523 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002691/0.5341, allocations: 1.343 MB / 0.7594 GB, free: 88 kB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.078e-05/0.5341, allocations: 11.88 kB / 0.7595 GB, free: 76 kB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001128/0.5343, allocations: 51.94 kB / 0.7595 GB, free: 24 kB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.267e-05/0.5343, allocations: 42 kB / 0.7595 GB, free: 15.98 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00269/0.537, allocations: 1.074 MB / 0.7606 GB, free: 14.9 MB / 0.5919 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 0.009522/0.5466, allocations: 7.08 MB / 0.7675 GB, free: 7.27 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002434/0.549, allocations: 1.352 MB / 0.7688 GB, free: 5.801 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009824/0.55, allocations: 422.9 kB / 0.7692 GB, free: 5.387 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.005405/0.5554, allocations: 3.087 MB / 0.7722 GB, free: 1.957 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001096/0.5565, allocations: 442.8 kB / 0.7727 GB, free: 1.516 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=60): time 3.216e-06/0.5566, allocations: 0 / 0.7727 GB, free: 1.516 MB / 0.5919 GB Notification: Performance of matching and sorting (n=60): time 0.003285/0.5599, allocations: 1.202 MB / 0.7738 GB, free: 296 kB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.36e-05/0.5599, allocations: 63.95 kB / 0.7739 GB, free: 220 kB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002455/0.5624, allocations: 1.537 MB / 0.7754 GB, free: 14.68 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 9.332e-05/0.5625, allocations: 41.7 kB / 0.7754 GB, free: 14.63 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.000821/0.5633, allocations: 0.8839 MB / 0.7763 GB, free: 13.73 MB / 0.6075 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002333/0.5636, allocations: 217 kB / 0.7765 GB, free: 13.52 MB / 0.6075 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003328/0.5639, allocations: 206.3 kB / 0.7767 GB, free: 13.31 MB / 0.6075 GB Notification: Performance of setup shared object (initialization): time 0.0001305/0.564, allocations: 341.9 kB / 0.777 GB, free: 12.97 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009888/0.565, allocations: 380.6 kB / 0.7774 GB, free: 12.59 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001237/0.5663, allocations: 0.7476 MB / 0.7781 GB, free: 11.68 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002183/0.5685, allocations: 1.117 MB / 0.7792 GB, free: 10.41 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.077e-05/0.5685, allocations: 4 kB / 0.7792 GB, free: 10.41 MB / 0.6075 GB Notification: Performance of matching and sorting (n=122) (initialization): time 0.002994/0.5715, allocations: 1.294 MB / 0.7805 GB, free: 9.098 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 4.831e-05/0.5716, allocations: 33.7 kB / 0.7805 GB, free: 9.059 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.366e-05/0.5716, allocations: 15.98 kB / 0.7805 GB, free: 9.043 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.044e-05/0.5716, allocations: 16 kB / 0.7806 GB, free: 9.027 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001023/0.5727, allocations: 255.8 kB / 0.7808 GB, free: 8.777 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.87e-05/0.5727, allocations: 27.91 kB / 0.7808 GB, free: 8.75 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001243/0.574, allocations: 135.7 kB / 0.781 GB, free: 8.617 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001085/0.5741, allocations: 59.98 kB / 0.781 GB, free: 8.559 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001519/0.5756, allocations: 0.6698 MB / 0.7817 GB, free: 7.887 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001313/0.5769, allocations: 0.7319 MB / 0.7824 GB, free: 6.984 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002178/0.5791, allocations: 1.086 MB / 0.7834 GB, free: 5.742 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.566e-06/0.5791, allocations: 7.938 kB / 0.7834 GB, free: 5.734 MB / 0.6075 GB Notification: Performance of matching and sorting (n=122) (initialization_lambda0): time 0.002851/0.582, allocations: 1.254 MB / 0.7847 GB, free: 4.465 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 4.987e-05/0.5821, allocations: 41.69 kB / 0.7847 GB, free: 4.418 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.6e-05/0.5821, allocations: 15.94 kB / 0.7847 GB, free: 4.402 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.642e-05/0.5821, allocations: 16.62 kB / 0.7847 GB, free: 4.387 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000994/0.5831, allocations: 255.6 kB / 0.785 GB, free: 4.137 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.351e-05/0.5832, allocations: 19.94 kB / 0.785 GB, free: 4.117 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001145/0.5843, allocations: 116.2 kB / 0.7851 GB, free: 4.004 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.996e-05/0.5844, allocations: 51.98 kB / 0.7852 GB, free: 3.953 MB / 0.6075 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 49 * Number of states: 0 () * Number of discrete variables: 6 (TSet.count,$PRE.TSet.count,TSet.T_start,$PRE.TSet.T_start,$whenCondition1,conPI.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (120): * Single equations (assignments): 118 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0003026/0.5847, allocations: 257.1 kB / 0.7854 GB, free: 3.695 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003502/0.5851, allocations: 165.9 kB / 0.7856 GB, free: 3.531 MB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002794/0.5879, allocations: 1.108 MB / 0.7866 GB, free: 2.406 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.688e-05/0.5879, allocations: 11.94 kB / 0.7867 GB, free: 2.395 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.125e-06/0.5879, allocations: 0 / 0.7867 GB, free: 2.395 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002033/0.59, allocations: 0.9626 MB / 0.7876 GB, free: 1.379 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005261/0.5952, allocations: 2.409 MB / 0.79 GB, free: 14.9 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.067e-06/0.5953, allocations: 4 kB / 0.79 GB, free: 14.89 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007671/0.5961, allocations: 139.9 kB / 0.7901 GB, free: 14.76 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001827/0.5963, allocations: 32.78 kB / 0.7901 GB, free: 14.72 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.514e-05/0.5963, allocations: 23.98 kB / 0.7901 GB, free: 14.7 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001157/0.5975, allocations: 1.41 MB / 0.7915 GB, free: 13.15 MB / 0.6231 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.109e-06/0.5975, allocations: 7.875 kB / 0.7915 GB, free: 13.14 MB / 0.6231 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003975/0.6015, allocations: 1.531 MB / 0.793 GB, free: 11.59 MB / 0.6231 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001095/0.6026, allocations: 346.5 kB / 0.7934 GB, free: 11.23 MB / 0.6231 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004945/0.6032, allocations: 23.92 kB / 0.7934 GB, free: 11.2 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001064/0.6042, allocations: 59.94 kB / 0.7934 GB, free: 11.14 MB / 0.6231 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00013/0.6044, allocations: 48.44 kB / 0.7935 GB, free: 11.09 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.143e-05/0.6045, allocations: 35.97 kB / 0.7935 GB, free: 11.06 MB / 0.6231 GB Notification: Performance of sorting global known variables: time 0.002161/0.6066, allocations: 1.093 MB / 0.7946 GB, free: 9.941 MB / 0.6231 GB Notification: Performance of sort global known variables: time 1.8e-07/0.6067, allocations: 0 / 0.7946 GB, free: 9.941 MB / 0.6231 GB Notification: Performance of remove unused functions: time 0.00306/0.6097, allocations: 0.8576 MB / 0.7954 GB, free: 9.082 MB / 0.6231 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 6 (vol.dynBal.U,mov.filter.s[1],mov.filter.s[2],conPI.I.y,THeaOut.T,coo.outCon.T) * Number of discrete variables: 3 ($whenCondition1,TSet.T_start,TSet.count) * Number of discrete states: 1 (TSet.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (70): * Single equations (assignments): 61 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 2 * 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): 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 0.002105/0.6118, allocations: 0.7296 MB / 0.7961 GB, free: 8.484 MB / 0.6231 GB Notification: Performance of simCode: created initialization part: time 0.003908/0.6158, allocations: 1.574 MB / 0.7977 GB, free: 6.891 MB / 0.6231 GB Notification: Performance of simCode: created event and clocks part: time 5.03e-06/0.6158, allocations: 4.25 kB / 0.7977 GB, free: 6.887 MB / 0.6231 GB Notification: Performance of simCode: created simulation system equations: time 0.001282/0.6171, allocations: 0.5446 MB / 0.7982 GB, free: 6.328 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003747/0.6208, allocations: 0.7691 MB / 0.799 GB, free: 5.578 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005908/0.6268, allocations: 3.023 MB / 0.8019 GB, free: 2.516 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001096/0.6279, allocations: 1.356 MB / 0.8032 GB, free: 1.133 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.001627/0.6295, allocations: 413.9 kB / 0.8036 GB, free: 0.7227 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000403/0.6299, allocations: 139.4 kB / 0.8038 GB, free: 0.5859 MB / 0.6231 GB Notification: Performance of SimCode: time 6.41e-07/0.63, allocations: 0 / 0.8038 GB, free: 0.5859 MB / 0.6231 GB Notification: Performance of Templates: time 0.05507/0.685, allocations: 31.68 MB / 0.8347 GB, free: 1.312 MB / 0.6544 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.makefile (rm -f IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.sim & ./IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterCooler_T.pipe 2>&1)