Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet.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.Validation.PrescribedOutlet,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet") translateModel(IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001014/0.001014, allocations: 90.75 kB / 15.06 MB, free: 1.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001304/0.001304, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.301/1.301, allocations: 223.3 MB / 240 MB, free: 5.227 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7358/0.7358, allocations: 132.3 MB / 423.4 MB, free: 2.004 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0002777/0.0002778, allocations: 9.094 kB / 0.5034 GB, free: 4.238 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3436/0.3439, allocations: 81.57 MB / 0.5831 GB, free: 3.973 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet): time 0.05422/0.3982, allocations: 57.38 MB / 0.6391 GB, free: 7.051 MB / 478.1 MB Notification: Performance of NFInst.instExpressions: time 0.01359/0.4118, allocations: 10.76 MB / 0.6496 GB, free: 12.28 MB / 494.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001559/0.4134, allocations: 67.5 kB / 0.6497 GB, free: 12.21 MB / 494.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001491/0.4149, allocations: 0.5667 MB / 0.6502 GB, free: 11.64 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003559/0.4185, allocations: 1.617 MB / 0.6518 GB, free: 10.02 MB / 494.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.00353/0.422, allocations: 1.485 MB / 0.6532 GB, free: 8.535 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 0.004654/0.4267, allocations: 4.477 MB / 0.6576 GB, free: 4.039 MB / 494.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001464/0.4282, allocations: 0.9586 MB / 0.6586 GB, free: 3.062 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002756/0.4309, allocations: 1.544 MB / 0.6601 GB, free: 1.512 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001654/0.4326, allocations: 1.151 MB / 0.6612 GB, free: 364 kB / 494.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002222/0.4328, allocations: 60 kB / 0.6612 GB, free: 304 kB / 494.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002192/0.435, allocations: 1.127 MB / 0.6623 GB, free: 15.17 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.0003011/0.4353, allocations: 282.6 kB / 0.6626 GB, free: 14.89 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.0004108/0.4358, allocations: 360.8 kB / 0.663 GB, free: 14.53 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.001805/0.4376, allocations: 1.75 MB / 0.6647 GB, free: 12.78 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 4.068e-06/0.4376, allocations: 3.938 kB / 0.6647 GB, free: 12.77 MB / 0.4981 GB Notification: Performance of FrontEnd: time 1.393e-06/0.4376, allocations: 0 / 0.6647 GB, free: 12.77 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 4.144e-05/0.4376, allocations: 0 / 0.6647 GB, free: 12.77 MB / 0.4981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 260 * Number of variables: 260 Notification: Performance of Generate backend data structure: time 0.00274/0.4404, allocations: 1.886 MB / 0.6665 GB, free: 10.81 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 3.165e-05/0.4404, allocations: 12.03 kB / 0.6665 GB, free: 10.8 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002973/0.4434, allocations: 0.6417 MB / 0.6671 GB, free: 10.15 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00177/0.4452, allocations: 1.165 MB / 0.6683 GB, free: 8.938 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.879e-05/0.4453, allocations: 78 kB / 0.6684 GB, free: 8.859 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001544/0.4454, allocations: 108 kB / 0.6685 GB, free: 8.754 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002504/0.4479, allocations: 1.351 MB / 0.6698 GB, free: 7.336 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.12e-05/0.448, allocations: 0 / 0.6698 GB, free: 7.336 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.586e-05/0.4481, allocations: 44 kB / 0.6698 GB, free: 7.293 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.945e-05/0.4481, allocations: 24 kB / 0.6698 GB, free: 7.27 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003006/0.4511, allocations: 1.268 MB / 0.6711 GB, free: 6 MB / 0.4981 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 0.006758/0.4579, allocations: 6.397 MB / 0.6773 GB, free: 15.09 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002819/0.4607, allocations: 1.243 MB / 0.6785 GB, free: 13.84 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001453/0.4622, allocations: 0.6758 MB / 0.6792 GB, free: 13.16 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00153/0.4637, allocations: 2.26 MB / 0.6814 GB, free: 10.4 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001646/0.4654, allocations: 0.8288 MB / 0.6822 GB, free: 9.543 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=100): time 2.435e-06/0.4654, allocations: 4 kB / 0.6822 GB, free: 9.539 MB / 0.5137 GB Notification: Performance of matching and sorting (n=100): time 0.004768/0.4702, allocations: 2.167 MB / 0.6843 GB, free: 7.348 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.821e-05/0.4702, allocations: 149.5 kB / 0.6845 GB, free: 7.172 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001375/0.4716, allocations: 1.206 MB / 0.6857 GB, free: 5.957 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 7.088e-05/0.4717, allocations: 45.7 kB / 0.6857 GB, free: 5.906 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004989/0.4722, allocations: 0.686 MB / 0.6864 GB, free: 5.211 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002443/0.4725, allocations: 327.2 kB / 0.6867 GB, free: 4.887 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.318e-05/0.4725, allocations: 16 kB / 0.6867 GB, free: 4.871 MB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 0.000108/0.4727, allocations: 349.9 kB / 0.687 GB, free: 4.523 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001397/0.4741, allocations: 0.5679 MB / 0.6876 GB, free: 3.953 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00152/0.4756, allocations: 0.7726 MB / 0.6883 GB, free: 3.109 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001449/0.477, allocations: 0.6795 MB / 0.689 GB, free: 2.414 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.467e-06/0.4771, allocations: 0 / 0.689 GB, free: 2.414 MB / 0.5137 GB Notification: Performance of matching and sorting (n=126) (initialization): time 0.003499/0.4806, allocations: 1.738 MB / 0.6907 GB, free: 0.6484 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001588/0.4807, allocations: 307.5 kB / 0.691 GB, free: 276 kB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.015e-05/0.4808, allocations: 7.984 kB / 0.691 GB, free: 268 kB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.803e-05/0.4808, allocations: 8 kB / 0.691 GB, free: 260 kB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001184/0.482, allocations: 287.6 kB / 0.6913 GB, free: 15.97 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.605e-05/0.482, allocations: 15.89 kB / 0.6913 GB, free: 15.96 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00118/0.4832, allocations: 226.9 kB / 0.6915 GB, free: 15.73 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001053/0.4833, allocations: 59.97 kB / 0.6916 GB, free: 15.68 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 4.929e-06/0.4833, allocations: 0 / 0.6916 GB, free: 15.68 MB / 0.5294 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.003429/0.4867, allocations: 1.645 MB / 0.6932 GB, free: 14.01 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.336e-06/0.4868, allocations: 8 kB / 0.6932 GB, free: 14 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.006e-05/0.4868, allocations: 8 kB / 0.6932 GB, free: 14 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001162/0.488, allocations: 275.8 kB / 0.6935 GB, free: 13.73 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.242e-05/0.488, allocations: 8 kB / 0.6935 GB, free: 13.72 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001147/0.4891, allocations: 227 kB / 0.6937 GB, free: 13.5 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.751e-05/0.4892, allocations: 47.97 kB / 0.6937 GB, free: 13.45 MB / 0.5294 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * Number of states: 0 () * Number of discrete variables: 21 ($whenCondition1,$whenCondition2,$whenCondition3,TSetHeat.a,TSetHeat.b,TSetHeat.last,$PRE.TSetHeat.nextEvent,TSetHeat.nextEvent,TSetHeat.nextEventScaled,TSetCool.a,TSetCool.b,TSetCool.last,$PRE.TSetCool.nextEvent,TSetCool.nextEvent,TSetCool.nextEventScaled,TSetCoolHeat.a,TSetCoolHeat.b,TSetCoolHeat.last,$PRE.TSetCoolHeat.nextEvent,TSetCoolHeat.nextEvent,TSetCoolHeat.nextEventScaled) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (111): * Single equations (assignments): 108 * Array equations: 0 * Algorithm blocks: 3 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0005355/0.4898, allocations: 0.505 MB / 0.6942 GB, free: 12.92 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001857/0.49, allocations: 162 kB / 0.6944 GB, free: 12.76 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004525/0.4945, allocations: 2.309 MB / 0.6966 GB, free: 10.45 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.161e-05/0.4945, allocations: 19.98 kB / 0.6967 GB, free: 10.43 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.019e-06/0.4946, allocations: 0 / 0.6967 GB, free: 10.43 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.341e-05/0.4946, allocations: 7.969 kB / 0.6967 GB, free: 10.42 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005866/0.5004, allocations: 3.639 MB / 0.7002 GB, free: 6.688 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.77e-06/0.5005, allocations: 0 / 0.7002 GB, free: 6.688 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001087/0.5016, allocations: 235.8 kB / 0.7004 GB, free: 6.457 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.877e-06/0.5016, allocations: 8 kB / 0.7004 GB, free: 6.449 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.576e-05/0.5017, allocations: 43.95 kB / 0.7005 GB, free: 6.406 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.568e-06/0.5017, allocations: 11.95 kB / 0.7005 GB, free: 6.395 MB / 0.5294 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.655e-06/0.5017, allocations: 3.938 kB / 0.7005 GB, free: 6.391 MB / 0.5294 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005577/0.5073, allocations: 3.043 MB / 0.7035 GB, free: 3.297 MB / 0.5294 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004911/0.5078, allocations: 402.6 kB / 0.7039 GB, free: 2.883 MB / 0.5294 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002022/0.508, allocations: 28 kB / 0.7039 GB, free: 2.855 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0011/0.5091, allocations: 167.7 kB / 0.704 GB, free: 2.691 MB / 0.5294 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001259/0.5092, allocations: 84.78 kB / 0.7041 GB, free: 2.605 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.867e-05/0.5093, allocations: 51.97 kB / 0.7042 GB, free: 2.555 MB / 0.5294 GB Notification: Performance of sorting global known variables: time 0.001016/0.5104, allocations: 0.8103 MB / 0.705 GB, free: 1.746 MB / 0.5294 GB Notification: Performance of sort global known variables: time 2.4e-07/0.5104, allocations: 0 / 0.705 GB, free: 1.746 MB / 0.5294 GB Notification: Performance of remove unused functions: time 0.001672/0.512, allocations: 0.8501 MB / 0.7058 GB, free: 0.8906 MB / 0.5294 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 6 (heaHigPowOut.T,cooLimPowOut.T,heaCooUnlOut.T,heaHigPowIn.T,cooLimPowIn.T,heaCooUnlIn.T) * Number of discrete variables: 18 ($whenCondition1,$whenCondition2,$whenCondition3,TSetHeat.a,TSetHeat.b,TSetHeat.last,TSetHeat.nextEvent,TSetHeat.nextEventScaled,TSetCool.a,TSetCool.b,TSetCool.last,TSetCool.nextEvent,TSetCool.nextEventScaled,TSetCoolHeat.a,TSetCoolHeat.b,TSetCoolHeat.last,TSetCoolHeat.nextEvent,TSetCoolHeat.nextEventScaled) * Number of discrete states: 18 (TSetCoolHeat.nextEvent,TSetCoolHeat.last,TSetCoolHeat.nextEventScaled,TSetCoolHeat.b,TSetCoolHeat.a,$whenCondition3,TSetCool.nextEvent,TSetCool.last,TSetCool.nextEventScaled,TSetCool.b,TSetCool.a,$whenCondition2,TSetHeat.nextEvent,TSetHeat.last,TSetHeat.nextEventScaled,TSetHeat.b,TSetHeat.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (104): * Single equations (assignments): 82 * Array equations: 0 * Algorithm blocks: 3 * Record equations: 19 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0009275/0.513, allocations: 0.568 MB / 0.7064 GB, free: 336 kB / 0.5294 GB Notification: Performance of simCode: created initialization part: time 0.005146/0.5181, allocations: 2.767 MB / 0.7091 GB, free: 13.49 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 2.314e-06/0.5182, allocations: 3.938 kB / 0.7091 GB, free: 13.49 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.001839/0.52, allocations: 1.086 MB / 0.7101 GB, free: 12.37 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002483/0.5225, allocations: 0.6267 MB / 0.7107 GB, free: 11.76 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005261/0.5278, allocations: 3.732 MB / 0.7144 GB, free: 7.977 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007743/0.5286, allocations: 1.274 MB / 0.7156 GB, free: 6.672 MB / 0.545 GB Notification: Performance of simCode: alias equations: time 0.001433/0.53, allocations: 418.2 kB / 0.716 GB, free: 6.285 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003501/0.5304, allocations: 135.4 kB / 0.7162 GB, free: 6.152 MB / 0.545 GB Notification: Performance of SimCode: time 3.61e-07/0.5304, allocations: 4 kB / 0.7162 GB, free: 6.148 MB / 0.545 GB Notification: Performance of Templates: time 0.04395/0.5743, allocations: 29.42 MB / 0.7449 GB, free: 9.18 MB / 0.5762 GB make -j1 -f IDEAS_IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet.makefile (rm -f IDEAS_IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet.pipe ; mkfifo IDEAS_IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet.pipe >> ../files/IDEAS_IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet.sim & ./IDEAS_IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.HeatExchangers.Validation.PrescribedOutlet.pipe 2>&1)