Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ThermoPower_ThermoPower.Test.WaterComponents.TestExpansionTankIdeal.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 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 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 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(ThermoPower.Test.WaterComponents.TestExpansionTankIdeal,fileNamePrefix="ThermoPower_ThermoPower_Test_WaterComponents_TestExpansionTankIdeal",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ThermoPower.Test.WaterComponents.TestExpansionTankIdeal,fileNamePrefix="ThermoPower_ThermoPower_Test_WaterComponents_TestExpansionTankIdeal",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 0.0007015/0.0007015, allocations: 91.69 kB / 16.65 MB, free: 6.59 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0007441/0.0007441, allocations: 183.4 kB / 17.56 MB, free: 6.203 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.154/1.154, allocations: 205.4 MB / 223.7 MB, free: 13.09 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo): time 0.2319/0.2319, allocations: 48.79 MB / 320.8 MB, free: 11.11 MB / 270.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0004715/0.0004716, allocations: 20.44 kB / 391.9 MB, free: 50.04 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.07882/0.0793, allocations: 60.26 MB / 452.2 MB, free: 9.082 MB / 334.1 MB Notification: Performance of NFInst.instantiate(ThermoPower.Test.WaterComponents.TestExpansionTankIdeal): time 0.03823/0.1176, allocations: 45.3 MB / 497.5 MB, free: 11.63 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.01357/0.1312, allocations: 12.18 MB / 0.4977 GB, free: 15.42 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004117/0.1316, allocations: 7.938 kB / 0.4977 GB, free: 15.41 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0007044/0.1323, allocations: 298.4 kB / 0.498 GB, free: 15.12 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0009559/0.1333, allocations: 0.6145 MB / 0.4986 GB, free: 14.5 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.007967/0.1413, allocations: 3.4 MB / 0.5019 GB, free: 11.09 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.002566/0.1438, allocations: 2.916 MB / 0.5048 GB, free: 8.164 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0005039/0.1444, allocations: 448.5 kB / 0.5052 GB, free: 7.707 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0006299/0.145, allocations: 0.5563 MB / 0.5057 GB, free: 7.148 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0008016/0.1458, allocations: 0.7393 MB / 0.5065 GB, free: 6.406 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 7.253e-05/0.1459, allocations: 36 kB / 0.5065 GB, free: 6.371 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.008977/0.1549, allocations: 6.247 MB / 0.5126 GB, free: 120 kB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002729/0.1552, allocations: 287.1 kB / 0.5129 GB, free: 15.84 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0003862/0.1556, allocations: 459.5 kB / 0.5133 GB, free: 15.38 MB / 414.1 MB Notification: Performance of NFConvertDAE.convert: time 0.004471/0.16, allocations: 4.283 MB / 0.5175 GB, free: 11.09 MB / 414.1 MB Notification: Performance of FrontEnd - DAE generated: time 2.395e-06/0.1601, allocations: 0 / 0.5175 GB, free: 11.09 MB / 414.1 MB Notification: Performance of FrontEnd: time 1.092e-06/0.1601, allocations: 0 / 0.5175 GB, free: 11.09 MB / 414.1 MB Notification: Performance of Transformations before backend: time 7.614e-06/0.1601, allocations: 0 / 0.5175 GB, free: 11.09 MB / 414.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 173 * Number of variables: 173 Notification: Performance of Generate backend data structure: time 0.003201/0.1633, allocations: 1.501 MB / 0.519 GB, free: 9.535 MB / 414.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.465e-05/0.1633, allocations: 8.031 kB / 0.519 GB, free: 9.527 MB / 414.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000142/0.1635, allocations: 118.7 kB / 0.5191 GB, free: 9.402 MB / 414.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008751/0.1643, allocations: 199.8 kB / 0.5193 GB, free: 9.207 MB / 414.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008408/0.1652, allocations: 0.5774 MB / 0.5198 GB, free: 8.586 MB / 414.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.882e-05/0.1653, allocations: 58.36 kB / 0.5199 GB, free: 8.531 MB / 414.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001196/0.1654, allocations: 80.03 kB / 0.52 GB, free: 8.453 MB / 414.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003717/0.1691, allocations: 1.722 MB / 0.5216 GB, free: 6.715 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.607e-05/0.1691, allocations: 0 / 0.5216 GB, free: 6.715 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.014e-05/0.1692, allocations: 39.86 kB / 0.5217 GB, free: 6.676 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.139e-05/0.1693, allocations: 37.98 kB / 0.5217 GB, free: 6.641 MB / 414.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00366/0.1729, allocations: 1.643 MB / 0.5233 GB, free: 4.996 MB / 414.1 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 0.003907/0.1769, allocations: 3.645 MB / 0.5269 GB, free: 0.9883 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.1592/0.336, allocations: 1.19 MB / 0.528 GB, free: 84.68 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004709/0.3365, allocations: 294.7 kB / 0.5283 GB, free: 84.67 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.1057/0.4423, allocations: 64.59 MB / 0.5914 GB, free: 30.09 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.122e-05/0.4423, allocations: 45.75 kB / 0.5914 GB, free: 30.04 MB / 414.1 MB Notification: Performance of pre-optimization done (n=56): time 2.544e-06/0.4423, allocations: 0 / 0.5914 GB, free: 30.04 MB / 414.1 MB Notification: Performance of matching and sorting (n=56): time 0.00568/0.448, allocations: 2.109 MB / 0.5935 GB, free: 27.93 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.601e-05/0.4481, allocations: 59.97 kB / 0.5936 GB, free: 27.85 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000512/0.4486, allocations: 0.5156 MB / 0.5941 GB, free: 27.33 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0001033/0.4487, allocations: 37.7 kB / 0.5941 GB, free: 27.29 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001574/0.4489, allocations: 353 kB / 0.5944 GB, free: 26.98 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001694/0.449, allocations: 201.1 kB / 0.5946 GB, free: 26.78 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001242/0.4492, allocations: 65.69 kB / 0.5947 GB, free: 26.71 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 6.644e-05/0.4492, allocations: 374.7 kB / 0.595 GB, free: 26.34 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006647/0.4499, allocations: 0.5107 MB / 0.5955 GB, free: 25.83 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007026/0.4506, allocations: 0.65 MB / 0.5962 GB, free: 25.12 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.00131/0.4519, allocations: 1.118 MB / 0.5973 GB, free: 23.98 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.566e-06/0.452, allocations: 4 kB / 0.5973 GB, free: 23.98 MB / 414.1 MB Notification: Performance of matching and sorting (n=77) (initialization): time 0.00267/0.4546, allocations: 1.873 MB / 0.5991 GB, free: 22.1 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 5.824e-05/0.4547, allocations: 168.7 kB / 0.5993 GB, free: 21.89 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.743e-06/0.4547, allocations: 0 / 0.5993 GB, free: 21.89 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.003615/0.4583, allocations: 1.618 MB / 0.6008 GB, free: 20.3 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002257/0.4586, allocations: 71.84 kB / 0.6009 GB, free: 20.23 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002517/0.4611, allocations: 2.191 MB / 0.6031 GB, free: 18.01 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007817/0.4619, allocations: 122.5 kB / 0.6032 GB, free: 17.89 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001036/0.462, allocations: 77.05 kB / 0.6032 GB, free: 17.82 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 6.662e-06/0.462, allocations: 4 kB / 0.6032 GB, free: 17.82 MB / 414.1 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002373/0.4644, allocations: 1.739 MB / 0.6049 GB, free: 16.07 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.872e-06/0.4644, allocations: 4 kB / 0.6049 GB, free: 16.07 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002604/0.467, allocations: 1.493 MB / 0.6064 GB, free: 14.59 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002277/0.4673, allocations: 71.91 kB / 0.6065 GB, free: 14.52 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002443/0.4697, allocations: 2.144 MB / 0.6086 GB, free: 12.34 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007359/0.4705, allocations: 111.5 kB / 0.6087 GB, free: 12.23 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.79e-05/0.4706, allocations: 71.92 kB / 0.6087 GB, free: 12.16 MB / 414.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 4 (heater.fluidState[2].phase,heater.fluidState[1].phase,boiler.fluidState[2].phase,boiler.fluidState[1].phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (38): * Single equations (assignments): 37 * 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 {(3,37)} Notification: Performance of prepare postOptimizeDAE: time 0.0003756/0.471, allocations: 333.9 kB / 0.6091 GB, free: 11.83 MB / 414.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001398/0.4711, allocations: 71.19 kB / 0.6091 GB, free: 11.76 MB / 414.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005266/0.4764, allocations: 7.936 MB / 0.6169 GB, free: 3.828 MB / 414.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.442e-05/0.4764, allocations: 17.11 kB / 0.6169 GB, free: 3.812 MB / 414.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.424e-06/0.4764, allocations: 0 / 0.6169 GB, free: 3.812 MB / 414.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.091e-05/0.4764, allocations: 3.984 kB / 0.6169 GB, free: 3.809 MB / 414.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002294/0.4787, allocations: 3.812 MB / 0.6206 GB, free: 15.75 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.975e-06/0.4787, allocations: 4 kB / 0.6206 GB, free: 15.74 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001365/0.4801, allocations: 222 kB / 0.6208 GB, free: 15.53 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.000534/0.4807, allocations: 137.5 kB / 0.621 GB, free: 15.39 MB / 430.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.816e-05/0.4807, allocations: 27.97 kB / 0.621 GB, free: 15.36 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002687/0.4834, allocations: 4.024 MB / 0.6249 GB, free: 11.02 MB / 430.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.585e-06/0.4834, allocations: 3.984 kB / 0.6249 GB, free: 11.02 MB / 430.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002606/0.4861, allocations: 1.941 MB / 0.6268 GB, free: 9.062 MB / 430.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0003003/0.4864, allocations: 235.7 kB / 0.627 GB, free: 8.812 MB / 430.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001023/0.4865, allocations: 19.98 kB / 0.6271 GB, free: 8.793 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006405/0.4871, allocations: 79.88 kB / 0.6271 GB, free: 8.715 MB / 430.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000118/0.4873, allocations: 40.44 kB / 0.6272 GB, free: 8.672 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.027e-05/0.4873, allocations: 27.97 kB / 0.6272 GB, free: 8.645 MB / 430.1 MB Notification: Performance of sorting global known variables: time 0.0003651/0.4877, allocations: 362.8 kB / 0.6276 GB, free: 8.293 MB / 430.1 MB Notification: Performance of sort global known variables: time 1.2e-07/0.4877, allocations: 0 / 0.6276 GB, free: 8.293 MB / 430.1 MB Notification: Performance of remove unused functions: time 0.002874/0.4906, allocations: 1.211 MB / 0.6287 GB, free: 7.145 MB / 430.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (boiler.p,boiler.htilde[1],heater.p,heater.htilde[1]) * Number of discrete variables: 8 ($cse2.phase,$cse2.region,$cse3.phase,$cse3.region,$cse6.phase,$cse6.region,$cse7.phase,$cse7.region) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (62): * Single equations (assignments): 54 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * 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 {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,1,100.0%), (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 0.006394/0.497, allocations: 3.377 MB / 0.632 GB, free: 3.879 MB / 430.1 MB Notification: Performance of simCode: created initialization part: time 0.003333/0.5003, allocations: 1.993 MB / 0.634 GB, free: 1.887 MB / 430.1 MB Notification: Performance of simCode: created event and clocks part: time 2.705e-06/0.5003, allocations: 0 / 0.634 GB, free: 1.887 MB / 430.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001796/0.5021, allocations: 0.8875 MB / 0.6348 GB, free: 0.9766 MB / 430.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001484/0.5036, allocations: 298.1 kB / 0.6351 GB, free: 0.6914 MB / 430.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01393/0.5176, allocations: 9.993 MB / 0.6449 GB, free: 6.551 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005791/0.5182, allocations: 1.077 MB / 0.6459 GB, free: 5.449 MB / 446.1 MB Notification: Performance of simCode: alias equations: time 0.0006241/0.5188, allocations: 209.6 kB / 0.6461 GB, free: 5.242 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004531/0.5193, allocations: 335.2 kB / 0.6465 GB, free: 4.914 MB / 446.1 MB Notification: Performance of SimCode: time 4.3e-07/0.5193, allocations: 0 / 0.6465 GB, free: 4.914 MB / 446.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.2494/0.7687, allocations: 69.64 MB / 0.7145 GB, free: 172.4 MB / 0.4981 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001481/0.7689, allocations: 233.2 kB / 0.7147 GB, free: 172.1 MB / 0.4981 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.88/4.649, allocations: 0 / 0.7147 GB, free: 172.1 MB / 0.4981 GB (rm -f ThermoPower_ThermoPower.Test.WaterComponents.TestExpansionTankIdeal.pipe ; mkfifo ThermoPower_ThermoPower.Test.WaterComponents.TestExpansionTankIdeal.pipe ; head -c 1048576 < ThermoPower_ThermoPower.Test.WaterComponents.TestExpansionTankIdeal.pipe >> ../files/ThermoPower_ThermoPower.Test.WaterComponents.TestExpansionTankIdeal.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_ThermoPower_ThermoPower_Test_WaterComponents_TestExpansionTankIdeal_fmu --startTime=0 --stopTime=500 --timeout=50 --tolerance=1e-06 ThermoPower_ThermoPower_Test_WaterComponents_TestExpansionTankIdeal.fmu > ThermoPower_ThermoPower.Test.WaterComponents.TestExpansionTankIdeal.pipe 2>&1)