Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Controls.OBC.ASHRAE.G36_PR1.TerminalUnits.Reheat.SetPoints.Validation.ActiveAirFlow.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo", uses=false) 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) 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) Using package Buildings with version 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo) Running command: "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36_PR1.TerminalUnits.Reheat.SetPoints.Validation.ActiveAirFlow,fileNamePrefix="Buildings_8_0_0_Buildings_Controls_OBC_ASHRAE_G36_PR1_TerminalUnits_Reheat_SetPoints_Validation_ActiveAirFlow",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36_PR1.TerminalUnits.Reheat.SetPoints.Validation.ActiveAirFlow,fileNamePrefix="Buildings_8_0_0_Buildings_Controls_OBC_ASHRAE_G36_PR1_TerminalUnits_Reheat_SetPoints_Validation_ActiveAirFlow",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.391/1.391, allocations: 287.4 MB / 302.6 MB, free: 8.227 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0008917/0.0008917, allocations: 178.2 kB / 371.1 MB, free: 10.82 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.143/1.143, allocations: 205.4 MB / 0.6298 GB, free: 10.59 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0006338/0.0006338, allocations: 104 kB / 0.7431 GB, free: 6.566 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0002998/0.0002998, allocations: 10.56 kB / 0.8662 GB, free: 140.4 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1411/0.1414, allocations: 115.3 MB / 0.9788 GB, free: 28.06 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36_PR1.TerminalUnits.Reheat.SetPoints.Validation.ActiveAirFlow): time 0.002609/0.144, allocations: 3.331 MB / 0.982 GB, free: 24.73 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.002372/0.1464, allocations: 2.194 MB / 0.9842 GB, free: 22.51 MB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005308/0.147, allocations: 27.94 kB / 0.9842 GB, free: 22.48 MB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.0002906/0.1473, allocations: 142.5 kB / 0.9843 GB, free: 22.34 MB / 0.6198 GB Notification: Performance of NFTyping.typeBindings: time 0.000292/0.1476, allocations: 83.19 kB / 0.9844 GB, free: 22.26 MB / 0.6198 GB Notification: Performance of NFTyping.typeClassSections: time 0.0007686/0.1483, allocations: 442.5 kB / 0.9848 GB, free: 21.83 MB / 0.6198 GB Notification: Performance of NFFlatten.flatten: time 0.0008463/0.1492, allocations: 1.389 MB / 0.9862 GB, free: 20.44 MB / 0.6198 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0009391/0.1501, allocations: 0.9615 MB / 0.9871 GB, free: 19.43 MB / 0.6198 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002996/0.1505, allocations: 322.2 kB / 0.9874 GB, free: 19.11 MB / 0.6198 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002576/0.1507, allocations: 405.3 kB / 0.9878 GB, free: 18.71 MB / 0.6198 GB Notification: Performance of NFPackage.collectConstants: time 7.933e-05/0.1508, allocations: 36 kB / 0.9879 GB, free: 18.68 MB / 0.6198 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001096/0.1509, allocations: 51.97 kB / 0.9879 GB, free: 18.62 MB / 0.6198 GB Notification: Performance of NFScalarize.scalarize: time 8.562e-05/0.151, allocations: 171.1 kB / 0.9881 GB, free: 18.46 MB / 0.6198 GB Notification: Performance of NFVerifyModel.verify: time 0.0001157/0.1511, allocations: 225 kB / 0.9883 GB, free: 18.23 MB / 0.6198 GB Notification: Performance of NFConvertDAE.convert: time 0.0008161/0.152, allocations: 1.71 MB / 0.99 GB, free: 16.52 MB / 0.6198 GB Notification: Performance of FrontEnd - DAE generated: time 3.657e-06/0.152, allocations: 0 / 0.99 GB, free: 16.52 MB / 0.6198 GB Notification: Performance of FrontEnd: time 1.102e-06/0.152, allocations: 0 / 0.99 GB, free: 16.52 MB / 0.6198 GB Notification: Performance of Transformations before backend: time 2.709e-05/0.152, allocations: 0 / 0.99 GB, free: 16.52 MB / 0.6198 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 361 * Number of variables: 361 Notification: Performance of Generate backend data structure: time 0.001503/0.1535, allocations: 1.344 MB / 0.9913 GB, free: 15.11 MB / 0.6198 GB Notification: Performance of prepare preOptimizeDAE: time 3.01e-05/0.1535, allocations: 12.02 kB / 0.9913 GB, free: 15.1 MB / 0.6198 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001613/0.1537, allocations: 211.3 kB / 0.9915 GB, free: 14.88 MB / 0.6198 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001467/0.1539, allocations: 155.1 kB / 0.9916 GB, free: 14.73 MB / 0.6198 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006618/0.1545, allocations: 0.7432 MB / 0.9924 GB, free: 13.95 MB / 0.6198 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.353e-05/0.1546, allocations: 123.2 kB / 0.9925 GB, free: 13.82 MB / 0.6198 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000117/0.1547, allocations: 140.4 kB / 0.9926 GB, free: 13.69 MB / 0.6198 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001524/0.1563, allocations: 1.135 MB / 0.9937 GB, free: 12.53 MB / 0.6198 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.405e-05/0.1563, allocations: 7.938 kB / 0.9937 GB, free: 12.52 MB / 0.6198 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.945e-05/0.1564, allocations: 56 kB / 0.9938 GB, free: 12.47 MB / 0.6198 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.658e-05/0.1564, allocations: 32 kB / 0.9938 GB, free: 12.44 MB / 0.6198 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001422/0.1578, allocations: 0.9833 MB / 0.9948 GB, free: 11.45 MB / 0.6198 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003381/0.1612, allocations: 3.269 MB / 0.998 GB, free: 8.117 MB / 0.6198 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008879/0.1621, allocations: 0.5647 MB / 0.9985 GB, free: 7.547 MB / 0.6198 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003772/0.1625, allocations: 262.7 kB / 0.9988 GB, free: 7.285 MB / 0.6198 GB Notification: Performance of preOpt evalFunc (simulation): time 3.731e-05/0.1625, allocations: 8.656 kB / 0.9988 GB, free: 7.277 MB / 0.6198 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005533/0.1631, allocations: 418.3 kB / 0.9992 GB, free: 6.844 MB / 0.6198 GB Notification: Performance of pre-optimization done (n=74): time 1.984e-06/0.1631, allocations: 0 / 0.9992 GB, free: 6.844 MB / 0.6198 GB Notification: Performance of matching and sorting (n=74): time 0.001269/0.1644, allocations: 0.8413 MB / 1 GB, free: 6 MB / 0.6198 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.977e-05/0.1644, allocations: 170.8 kB / 1 GB, free: 5.797 MB / 0.6198 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007024/0.1651, allocations: 0.886 MB / 1.001 GB, free: 4.887 MB / 0.6198 GB Notification: Performance of collectPreVariables (initialization): time 4.152e-05/0.1652, allocations: 45.69 kB / 1.001 GB, free: 4.836 MB / 0.6198 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002529/0.1655, allocations: 0.5964 MB / 1.002 GB, free: 4.23 MB / 0.6198 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001018/0.1656, allocations: 244.5 kB / 1.002 GB, free: 3.988 MB / 0.6198 GB Notification: Performance of simplifyInitialFunctions (initialization): time 3.714e-05/0.1656, allocations: 24 kB / 1.002 GB, free: 3.965 MB / 0.6198 GB Notification: Performance of setup shared object (initialization): time 4.734e-05/0.1657, allocations: 345.9 kB / 1.002 GB, free: 3.621 MB / 0.6198 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004683/0.1661, allocations: 289.9 kB / 1.003 GB, free: 3.34 MB / 0.6198 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005269/0.1667, allocations: 0.5191 MB / 1.003 GB, free: 2.727 MB / 0.6198 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000869/0.1675, allocations: 0.7608 MB / 1.004 GB, free: 1.879 MB / 0.6198 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.607e-06/0.1676, allocations: 0 / 1.004 GB, free: 1.879 MB / 0.6198 GB Notification: Performance of matching and sorting (n=121) (initialization): time 0.001227/0.1688, allocations: 0.9708 MB / 1.005 GB, free: 0.8945 MB / 0.6198 GB Notification: Performance of prepare postOptimizeDAE: time 2.757e-05/0.1688, allocations: 37.7 kB / 1.005 GB, free: 0.8516 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.925e-06/0.1688, allocations: 8 kB / 1.005 GB, free: 0.8438 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.613e-05/0.1689, allocations: 8 kB / 1.005 GB, free: 0.8359 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005305/0.1694, allocations: 179.7 kB / 1.005 GB, free: 0.6602 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.165e-05/0.1694, allocations: 11.98 kB / 1.005 GB, free: 0.6484 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005993/0.17, allocations: 215.6 kB / 1.005 GB, free: 448 kB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.202e-05/0.1701, allocations: 43.98 kB / 1.005 GB, free: 404 kB / 0.6198 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * Number of states: 0 () * Number of discrete variables: 34 ($whenCondition1,$whenCondition2,actAirSet_RehBox1.conInt4.y,actAirSet_RehBox1.conInt3.y,actAirSet_RehBox1.conInt2.y,actAirSet_RehBox1.conInt1.y,actAirSet_RehBox1.conInt.y,actAirSet_RehBox.conInt4.y,actAirSet_RehBox.conInt3.y,actAirSet_RehBox.conInt2.y,actAirSet_RehBox.conInt1.y,actAirSet_RehBox.conInt.y,actAirSet_RehBox.not1.y,$PRE.actAirSet_RehBox.greThr.greHys.y,actAirSet_RehBox.greThr.greHys.y,actAirSet_RehBox1.not1.y,$PRE.actAirSet_RehBox1.greThr.greHys.y,actAirSet_RehBox1.greThr.greHys.y,$PRE.winSta.y,winSta.y,actAirSet_RehBox1.intEqu4.y,actAirSet_RehBox1.intEqu3.y,actAirSet_RehBox1.intEqu2.y,actAirSet_RehBox1.intEqu1.y,actAirSet_RehBox1.swi3.u2,actAirSet_RehBox1.greThr1.y,actAirSet_RehBox1.gre.y,actAirSet_RehBox.intEqu4.y,actAirSet_RehBox.intEqu3.y,actAirSet_RehBox.intEqu2.y,actAirSet_RehBox.intEqu1.y,actAirSet_RehBox.swi3.u2,actAirSet_RehBox.greThr1.y,actAirSet_RehBox.gre.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (119): * Single equations (assignments): 118 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0002798/0.1704, allocations: 297.5 kB / 1.005 GB, free: 96 kB / 0.6198 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.671e-05/0.1705, allocations: 106.8 kB / 1.006 GB, free: 15.98 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00113/0.1716, allocations: 0.6418 MB / 1.006 GB, free: 15.33 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.067e-06/0.1716, allocations: 12 kB / 1.006 GB, free: 15.32 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.128e-06/0.1716, allocations: 0 / 1.006 GB, free: 15.32 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.804e-06/0.1716, allocations: 4.484 kB / 1.006 GB, free: 15.32 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002839/0.1745, allocations: 2.443 MB / 1.009 GB, free: 12.72 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.404e-06/0.1745, allocations: 8 kB / 1.009 GB, free: 12.71 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004617/0.175, allocations: 143.9 kB / 1.009 GB, free: 12.57 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.696e-06/0.175, allocations: 15.94 kB / 1.009 GB, free: 12.56 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.17e-05/0.175, allocations: 23.98 kB / 1.009 GB, free: 12.54 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.68e-05/0.1751, allocations: 15.94 kB / 1.009 GB, free: 12.52 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.623e-06/0.1751, allocations: 11.94 kB / 1.009 GB, free: 12.51 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00116/0.1762, allocations: 0.9714 MB / 1.01 GB, free: 11.43 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001484/0.1764, allocations: 199.6 kB / 1.01 GB, free: 11.21 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.813e-05/0.1765, allocations: 31.98 kB / 1.01 GB, free: 11.18 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004095/0.1769, allocations: 55.97 kB / 1.01 GB, free: 11.12 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001299/0.177, allocations: 88.2 kB / 1.01 GB, free: 11.04 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.153e-05/0.1771, allocations: 31.98 kB / 1.01 GB, free: 11.01 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0005975/0.1777, allocations: 0.5665 MB / 1.011 GB, free: 10.43 MB / 0.6355 GB Notification: Performance of sort global known variables: time 1.5e-07/0.1777, allocations: 0 / 1.011 GB, free: 10.43 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.0005464/0.1783, allocations: 243 kB / 1.011 GB, free: 10.19 MB / 0.6355 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 31 * Number of states: 0 () * Number of discrete variables: 7 ($whenCondition1,$whenCondition2,actAirSet_RehBox.greThr.greHys.y,actAirSet_RehBox1.greThr.greHys.y,winSta.y,actAirSet_RehBox1.not1.y,actAirSet_RehBox.not1.y) * Number of discrete states: 2 (actAirSet_RehBox1.greThr.greHys.y,actAirSet_RehBox.greThr.greHys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (78): * Single equations (assignments): 77 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 1 * 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 0.001469/0.1797, allocations: 1.564 MB / 1.012 GB, free: 8.508 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.001182/0.1809, allocations: 0.7834 MB / 1.013 GB, free: 7.711 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 3.697e-06/0.1809, allocations: 4 kB / 1.013 GB, free: 7.707 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 0.0007282/0.1817, allocations: 432 kB / 1.014 GB, free: 7.285 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001355/0.183, allocations: 123.4 kB / 1.014 GB, free: 7.16 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008522/0.1916, allocations: 6.042 MB / 1.02 GB, free: 0.7227 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005626/0.1921, allocations: 1.085 MB / 1.021 GB, free: 15.61 MB / 0.6511 GB Notification: Performance of simCode: alias equations: time 0.0004255/0.1926, allocations: 119.5 kB / 1.021 GB, free: 15.49 MB / 0.6511 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005098/0.1931, allocations: 467.3 kB / 1.021 GB, free: 15.04 MB / 0.6511 GB Notification: Performance of SimCode: time 3e-07/0.1931, allocations: 0 / 1.021 GB, free: 15.04 MB / 0.6511 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5064/0.6995, allocations: 17.04 MB / 1.038 GB, free: 14.28 MB / 0.6667 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001414/0.6997, allocations: 244 kB / 1.038 GB, free: 14.04 MB / 0.6667 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.148/2.848, allocations: 4 kB / 1.038 GB, free: 14.03 MB / 0.6667 GB (rm -f Buildings_8.0.0_Buildings.Controls.OBC.ASHRAE.G36_PR1.TerminalUnits.Reheat.SetPoints.Validation.ActiveAirFlow.pipe ; mkfifo Buildings_8.0.0_Buildings.Controls.OBC.ASHRAE.G36_PR1.TerminalUnits.Reheat.SetPoints.Validation.ActiveAirFlow.pipe ; head -c 1048576 < Buildings_8.0.0_Buildings.Controls.OBC.ASHRAE.G36_PR1.TerminalUnits.Reheat.SetPoints.Validation.ActiveAirFlow.pipe >> ../files/Buildings_8.0.0_Buildings.Controls.OBC.ASHRAE.G36_PR1.TerminalUnits.Reheat.SetPoints.Validation.ActiveAirFlow.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_8_0_0_Buildings_Controls_OBC_ASHRAE_G36_PR1_TerminalUnits_Reheat_SetPoints_Validation_ActiveAirFlow_fmu --startTime=0 --stopTime=86400 --timeout=50 --tolerance=1e-06 Buildings_8_0_0_Buildings_Controls_OBC_ASHRAE_G36_PR1_TerminalUnits_Reheat_SetPoints_Validation_ActiveAirFlow.fmu > Buildings_8.0.0_Buildings.Controls.OBC.ASHRAE.G36_PR1.TerminalUnits.Reheat.SetPoints.Validation.ActiveAirFlow.pipe 2>&1)