Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/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) 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 BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Running command: translateModel(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5") translateModel(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.7949/0.7949, allocations: 143.4 MB / 159.2 MB, free: 4.891 MB / 122.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001209/0.001209, allocations: 187.7 kB / 191.9 MB, free: 5.734 MB / 154.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.371/1.371, allocations: 222.9 MB / 447.3 MB, free: 5.852 MB / 330.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001001/0.001001, allocations: 115.1 kB / 0.517 GB, free: 3.719 MB / 410.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001944/0.001944, allocations: 286.1 kB / 0.5973 GB, free: 49.38 MB / 410.7 MB Notification: Performance of FrontEnd - loaded program: time 0.00153/0.00153, allocations: 79.89 kB / 0.6885 GB, free: 3.84 MB / 458.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3277/0.3292, allocations: 81.28 MB / 0.7679 GB, free: 27.68 MB / 458.7 MB Notification: Performance of NFInst.instantiate(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5): time 0.5379/0.8672, allocations: 154.9 MB / 0.9192 GB, free: 1.309 MB / 0.5573 GB Notification: Performance of NFInst.instExpressions: time 0.03085/0.8981, allocations: 21.82 MB / 0.9405 GB, free: 0.957 MB / 0.5573 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002704/0.9008, allocations: 46.97 kB / 0.9406 GB, free: 0.957 MB / 0.5573 GB Notification: Performance of NFTyping.typeComponents: time 0.003027/0.9039, allocations: 2.11 MB / 0.9426 GB, free: 0.8906 MB / 0.5573 GB Notification: Performance of NFTyping.typeBindings: time 0.002339/0.9063, allocations: 1.363 MB / 0.944 GB, free: 0.8438 MB / 0.5573 GB Notification: Performance of NFTyping.typeClassSections: time 0.001414/0.9077, allocations: 0.5116 MB / 0.9445 GB, free: 0.8359 MB / 0.5573 GB Notification: Performance of NFFlatten.flatten: time 0.002083/0.9098, allocations: 1.905 MB / 0.9463 GB, free: 0.8359 MB / 0.5573 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001085/0.9109, allocations: 0.9987 MB / 0.9473 GB, free: 0.6914 MB / 0.5573 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0009295/0.9118, allocations: 0.7898 MB / 0.9481 GB, free: 0.6914 MB / 0.5573 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001339/0.9132, allocations: 1.521 MB / 0.9495 GB, free: 0.6758 MB / 0.5573 GB Notification: Performance of NFPackage.collectConstants: time 0.0001421/0.9133, allocations: 53.06 kB / 0.9496 GB, free: 0.6758 MB / 0.5573 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003107/0.9137, allocations: 97.48 kB / 0.9497 GB, free: 0.6719 MB / 0.5573 GB Notification: Performance of NFScalarize.scalarize: time 0.0003411/0.914, allocations: 0.5199 MB / 0.9502 GB, free: 0.582 MB / 0.5573 GB Notification: Performance of NFVerifyModel.verify: time 0.0004831/0.9145, allocations: 0.7278 MB / 0.9509 GB, free: 252 kB / 0.5573 GB Notification: Performance of NFConvertDAE.convert: time 0.001186/0.9157, allocations: 1.781 MB / 0.9526 GB, free: 15.86 MB / 0.573 GB Notification: Performance of FrontEnd - DAE generated: time 4.628e-06/0.9157, allocations: 0 / 0.9526 GB, free: 15.86 MB / 0.573 GB Notification: Performance of FrontEnd: time 1.072e-06/0.9157, allocations: 0 / 0.9526 GB, free: 15.86 MB / 0.573 GB Notification: Performance of Transformations before backend: time 1.916e-05/0.9157, allocations: 0 / 0.9526 GB, free: 15.86 MB / 0.573 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 153 * Number of variables: 153 Notification: Performance of Generate backend data structure: time 0.003288/0.919, allocations: 2.273 MB / 0.9549 GB, free: 14.57 MB / 0.573 GB Notification: Performance of prepare preOptimizeDAE: time 4.929e-05/0.9191, allocations: 13.8 kB / 0.9549 GB, free: 14.57 MB / 0.573 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002941/0.9194, allocations: 228.1 kB / 0.9551 GB, free: 14.45 MB / 0.573 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001282/0.9207, allocations: 1.005 MB / 0.9561 GB, free: 13.89 MB / 0.573 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001232/0.9208, allocations: 86.16 kB / 0.9562 GB, free: 13.86 MB / 0.573 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.324e-05/0.9209, allocations: 63.66 kB / 0.9562 GB, free: 13.86 MB / 0.573 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00114/0.9221, allocations: 0.7373 MB / 0.9569 GB, free: 13.79 MB / 0.573 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.115e-05/0.9221, allocations: 0 / 0.9569 GB, free: 13.79 MB / 0.573 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.733e-05/0.9222, allocations: 26.08 kB / 0.957 GB, free: 13.79 MB / 0.573 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.461e-05/0.9222, allocations: 12.97 kB / 0.957 GB, free: 13.79 MB / 0.573 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001051/0.9233, allocations: 0.5953 MB / 0.9576 GB, free: 13.79 MB / 0.573 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00472/0.928, allocations: 3.515 MB / 0.961 GB, free: 12.25 MB / 0.573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001435/0.9294, allocations: 0.7132 MB / 0.9617 GB, free: 12.21 MB / 0.573 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006705/0.9301, allocations: 409.9 kB / 0.9621 GB, free: 12.2 MB / 0.573 GB Notification: Performance of preOpt evalFunc (simulation): time 5.193e-05/0.9302, allocations: 12.19 kB / 0.9621 GB, free: 12.2 MB / 0.573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006966/0.9309, allocations: 431.9 kB / 0.9625 GB, free: 12.14 MB / 0.573 GB Notification: Performance of pre-optimization done (n=70): time 3.327e-06/0.9309, allocations: 0 / 0.9625 GB, free: 12.14 MB / 0.573 GB Notification: Performance of matching and sorting (n=70): time 0.004083/0.935, allocations: 1.795 MB / 0.9643 GB, free: 11.75 MB / 0.573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.595e-05/0.9351, allocations: 61.3 kB / 0.9643 GB, free: 11.68 MB / 0.573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003326/0.9384, allocations: 3.307 MB / 0.9675 GB, free: 11.32 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 8.44e-05/0.9385, allocations: 42.27 kB / 0.9676 GB, free: 11.29 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007825/0.9393, allocations: 0.8919 MB / 0.9685 GB, free: 10.61 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002017/0.9395, allocations: 222.3 kB / 0.9687 GB, free: 10.43 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002032/0.9397, allocations: 131.9 kB / 0.9688 GB, free: 10.35 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.0001286/0.9398, allocations: 332.7 kB / 0.9691 GB, free: 10.02 MB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006544/0.9405, allocations: 310.1 kB / 0.9694 GB, free: 9.875 MB / 0.573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006925/0.9412, allocations: 438.2 kB / 0.9698 GB, free: 9.586 MB / 0.573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001185/0.9424, allocations: 0.7111 MB / 0.9705 GB, free: 9.164 MB / 0.573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.52e-06/0.9424, allocations: 1.812 kB / 0.9705 GB, free: 9.164 MB / 0.573 GB Notification: Performance of matching and sorting (n=95) (initialization): time 0.00248/0.9449, allocations: 1.212 MB / 0.9717 GB, free: 8.566 MB / 0.573 GB Notification: Performance of prepare postOptimizeDAE: time 3.294e-05/0.9449, allocations: 10.09 kB / 0.9717 GB, free: 8.562 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.781e-05/0.945, allocations: 3.688 kB / 0.9717 GB, free: 8.562 MB / 0.573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007694/0.9458, allocations: 266.6 kB / 0.972 GB, free: 8.438 MB / 0.573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005079/0.9463, allocations: 130.5 kB / 0.9721 GB, free: 8.414 MB / 0.573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004572/0.9509, allocations: 4.375 MB / 0.9764 GB, free: 4.652 MB / 0.573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007863/0.9517, allocations: 100.5 kB / 0.9765 GB, free: 4.59 MB / 0.573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.019e-05/0.9517, allocations: 27.06 kB / 0.9765 GB, free: 4.586 MB / 0.573 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * Number of states: 0 () * Number of discrete variables: 30 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition7,$PRE.intGai.nextTimeEvent,$whenCondition6,$PRE.reference.nextTimeEvent,$whenCondition5,$PRE.outdoorTemp.nextTimeEvent,$whenCondition4,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,greaterThreshold1.y,tableSolRadWindow.nextTimeEventScaled,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,outdoorTemp.nextTimeEventScaled,$PRE.outdoorTemp.nextTimeEventScaled,outdoorTemp.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (73): * Single equations (assignments): 71 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,18,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0009184/0.9527, allocations: 0.6092 MB / 0.9771 GB, free: 4.262 MB / 0.573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002212/0.9529, allocations: 202.2 kB / 0.9773 GB, free: 4.152 MB / 0.573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003493/0.9532, allocations: 254.5 kB / 0.9775 GB, free: 4.008 MB / 0.573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.3e-06/0.9532, allocations: 5.438 kB / 0.9775 GB, free: 4.008 MB / 0.573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.318e-05/0.9533, allocations: 9.547 kB / 0.9775 GB, free: 4.004 MB / 0.573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.645e-06/0.9533, allocations: 4.031 kB / 0.9775 GB, free: 4 MB / 0.573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003816/0.9571, allocations: 2.337 MB / 0.9798 GB, free: 2.434 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.328e-06/0.9571, allocations: 0 / 0.9798 GB, free: 2.434 MB / 0.573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003127/0.9575, allocations: 69.86 kB / 0.9799 GB, free: 2.371 MB / 0.573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006069/0.9581, allocations: 254.7 kB / 0.9801 GB, free: 2.117 MB / 0.573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.118e-05/0.9581, allocations: 19.98 kB / 0.9801 GB, free: 2.098 MB / 0.573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004327/0.9625, allocations: 4.362 MB / 0.9844 GB, free: 13.5 MB / 0.5886 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.465e-06/0.9625, allocations: 3.984 kB / 0.9844 GB, free: 13.5 MB / 0.5886 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01933/0.9818, allocations: 13.02 MB / 0.9971 GB, free: 68 kB / 0.5886 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005419/0.9824, allocations: 306.4 kB / 0.9974 GB, free: 15.75 MB / 0.6042 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001378/0.9826, allocations: 16 kB / 0.9974 GB, free: 15.73 MB / 0.6042 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000476/0.983, allocations: 55.73 kB / 0.9975 GB, free: 15.68 MB / 0.6042 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002285/0.9833, allocations: 72.45 kB / 0.9976 GB, free: 15.61 MB / 0.6042 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.135e-05/0.9834, allocations: 27.98 kB / 0.9976 GB, free: 15.58 MB / 0.6042 GB Notification: Performance of sorting global known variables: time 0.002763/0.9861, allocations: 2.423 MB / 0.9999 GB, free: 13.14 MB / 0.6042 GB Notification: Performance of sort global known variables: time 1.6e-07/0.9861, allocations: 0 / 0.9999 GB, free: 13.14 MB / 0.6042 GB Notification: Performance of remove unused functions: time 0.001524/0.9877, allocations: 419.6 kB / 1 GB, free: 12.73 MB / 0.6042 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,assEqu.diff,mean.x) * Number of discrete variables: 19 ($whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,outdoorTemp.nextTimeEvent,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 11 (intGai.nextTimeEvent,reference.nextTimeEvent,outdoorTemp.nextTimeEvent,tableSolRadWindow.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,tableSolRadWindow.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (48): * Single equations (assignments): 36 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,18,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001148/0.9888, allocations: 0.5034 MB / 1.001 GB, free: 12.43 MB / 0.6042 GB Notification: Performance of simCode: created initialization part: time 0.001934/0.9908, allocations: 1.054 MB / 1.002 GB, free: 11.36 MB / 0.6042 GB Notification: Performance of simCode: created event and clocks part: time 6.482e-06/0.9908, allocations: 4.125 kB / 1.002 GB, free: 11.35 MB / 0.6042 GB Notification: Performance of simCode: created simulation system equations: time 0.001005/0.9918, allocations: 0.6868 MB / 1.003 GB, free: 10.65 MB / 0.6042 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001353/0.9932, allocations: 255.3 kB / 1.003 GB, free: 10.4 MB / 0.6042 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006676/0.9999, allocations: 5.353 MB / 1.008 GB, free: 4.98 MB / 0.6042 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001249/1.001, allocations: 1.556 MB / 1.01 GB, free: 3.398 MB / 0.6042 GB Notification: Performance of simCode: alias equations: time 0.0005839/1.002, allocations: 161.2 kB / 1.01 GB, free: 3.238 MB / 0.6042 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001717/1.002, allocations: 63.42 kB / 1.01 GB, free: 3.176 MB / 0.6042 GB Notification: Performance of SimCode: time 4.21e-07/1.002, allocations: 0 / 1.01 GB, free: 3.176 MB / 0.6042 GB Notification: Performance of Templates: time 0.02833/1.03, allocations: 16.33 MB / 1.026 GB, free: 3.074 MB / 0.6198 GB make -j1 -f BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.makefile (rm -f BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe ; mkfifo BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe >> ../files/BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.sim & ./BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5 -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe 2>&1)