Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package Buildings with version 7.0.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7")
translateModel(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.15/2.15, allocations: 254.9 MB / 269.9 MB, free: 9.625 MB / 218.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002116/0.002116, allocations: 187.7 kB / 329.5 MB, free: 1.152 MB / 250.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 2.395/2.395, allocations: 225.6 MB / 0.6001 GB, free: 3.672 MB / 426.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009557/0.0009555, allocations: 100.5 kB / 0.7074 GB, free: 11.07 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 0.0006729/0.0006731, allocations: 12.56 kB / 0.8242 GB, free: 129.6 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2545/0.2552, allocations: 109.1 MB / 0.9308 GB, free: 43.47 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7): time 0.8742/1.129, allocations: 143.1 MB / 1.071 GB, free: 5.16 MB / 0.6823 GB
Notification: Performance of NFInst.instExpressions: time 0.03326/1.163, allocations: 20.55 MB / 1.091 GB, free: 4.797 MB / 0.6823 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002985/1.166, allocations: 52.59 kB / 1.091 GB, free: 4.797 MB / 0.6823 GB
Notification: Performance of NFTyping.typeComponents: time 0.003036/1.169, allocations: 1.321 MB / 1.092 GB, free: 4.758 MB / 0.6823 GB
Notification: Performance of NFTyping.typeBindings: time 0.002889/1.172, allocations: 0.9433 MB / 1.093 GB, free: 4.723 MB / 0.6823 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002574/1.174, allocations: 495.3 kB / 1.093 GB, free: 4.703 MB / 0.6823 GB
Notification: Performance of NFFlatten.flatten: time 0.003256/1.178, allocations: 1.564 MB / 1.095 GB, free: 4.703 MB / 0.6823 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001975/1.18, allocations: 0.7915 MB / 1.096 GB, free: 4.605 MB / 0.6823 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.001765/1.182, allocations: 0.6051 MB / 1.096 GB, free: 4.605 MB / 0.6823 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00236/1.184, allocations: 0.9972 MB / 1.097 GB, free: 4.594 MB / 0.6823 GB
Notification: Performance of NFPackage.collectConstants: time 0.0003426/1.184, allocations: 33.91 kB / 1.097 GB, free: 4.594 MB / 0.6823 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0006728/1.185, allocations: 78.25 kB / 1.097 GB, free: 4.59 MB / 0.6823 GB
Notification: Performance of NFScalarize.scalarize: time 0.0004746/1.186, allocations: 357.4 kB / 1.098 GB, free: 4.59 MB / 0.6823 GB
Notification: Performance of NFVerifyModel.verify: time 0.0007423/1.186, allocations: 268.1 kB / 1.098 GB, free: 20.56 MB / 0.698 GB
Notification: Performance of NFConvertDAE.convert: time 0.002029/1.188, allocations: 1.165 MB / 1.099 GB, free: 20.45 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 7.735e-06/1.188, allocations: 4.438 kB / 1.099 GB, free: 20.45 MB / 0.698 GB
Notification: Performance of FrontEnd: time 3.317e-06/1.188, allocations: 0 / 1.099 GB, free: 20.45 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 7.229e-05/1.188, allocations: 1.859 kB / 1.099 GB, free: 20.45 MB / 0.698 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 156
 * Number of variables: 156
Notification: Performance of Generate backend data structure: time 0.00435/1.193, allocations: 1.682 MB / 1.101 GB, free: 19.45 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 4.344e-05/1.193, allocations: 9.438 kB / 1.101 GB, free: 19.45 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005335/1.193, allocations: 180.8 kB / 1.101 GB, free: 19.35 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002086/1.196, allocations: 0.797 MB / 1.102 GB, free: 18.97 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002133/1.196, allocations: 98.89 kB / 1.102 GB, free: 18.93 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00016/1.196, allocations: 60.84 kB / 1.102 GB, free: 18.93 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.002049/1.198, allocations: 0.7223 MB / 1.103 GB, free: 18.82 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 4.08e-05/1.198, allocations: 5.312 kB / 1.103 GB, free: 18.82 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001241/1.198, allocations: 25.7 kB / 1.103 GB, free: 18.82 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.539e-05/1.198, allocations: 14.88 kB / 1.103 GB, free: 18.82 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001972/1.2, allocations: 0.5544 MB / 1.103 GB, free: 18.81 MB / 0.698 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 0.007419/1.208, allocations: 3.505 MB / 1.107 GB, free: 16.93 MB / 0.698 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.002855/1.211, allocations: 0.7063 MB / 1.107 GB, free: 16.89 MB / 0.698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001295/1.212, allocations: 380.9 kB / 1.108 GB, free: 16.87 MB / 0.698 GB
Notification: Performance of preOpt evalFunc (simulation): time 9.068e-05/1.212, allocations: 7.062 kB / 1.108 GB, free: 16.87 MB / 0.698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001215/1.213, allocations: 383.3 kB / 1.108 GB, free: 16.8 MB / 0.698 GB
Notification: Performance of pre-optimization done (n=63): time 4.698e-06/1.213, allocations: 0 / 1.108 GB, free: 16.8 MB / 0.698 GB
Notification: Performance of matching and sorting (n=63): time 0.009172/1.223, allocations: 1.789 MB / 1.11 GB, free: 16.42 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.681e-05/1.223, allocations: 63.25 kB / 1.11 GB, free: 16.36 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003763/1.226, allocations: 2.244 MB / 1.112 GB, free: 16.18 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001882/1.227, allocations: 38.08 kB / 1.112 GB, free: 16.15 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007873/1.227, allocations: 0.7195 MB / 1.113 GB, free: 15.99 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.000334/1.228, allocations: 204 kB / 1.113 GB, free: 15.87 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 5.137e-05/1.228, allocations: 13.03 kB / 1.113 GB, free: 15.87 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0001453/1.228, allocations: 335.9 kB / 1.113 GB, free: 15.56 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009307/1.229, allocations: 258.4 kB / 1.113 GB, free: 15.55 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009481/1.23, allocations: 395.9 kB / 1.114 GB, free: 15.4 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00102/1.231, allocations: 300.9 kB / 1.114 GB, free: 15.39 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.606e-06/1.231, allocations: 2.938 kB / 1.114 GB, free: 15.39 MB / 0.698 GB
Notification: Performance of matching and sorting (n=90) (initialization): time 0.003583/1.235, allocations: 1.069 MB / 1.115 GB, free: 15.23 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 3.083e-05/1.235, allocations: 6.031 kB / 1.115 GB, free: 15.23 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.617e-05/1.235, allocations: 6.781 kB / 1.115 GB, free: 15.22 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001332/1.236, allocations: 269.2 kB / 1.115 GB, free: 15.21 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007811/1.237, allocations: 110.5 kB / 1.116 GB, free: 15.21 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007905/1.245, allocations: 3.441 MB / 1.119 GB, free: 13.76 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001147/1.246, allocations: 96.73 kB / 1.119 GB, free: 13.73 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.605e-05/1.246, allocations: 27.28 kB / 1.119 GB, free: 13.73 MB / 0.698 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 17
 * Number of states: 0 ()
 * Number of discrete variables: 25 ($PRE.assEqu.nFai,assEqu.nFai,$whenCondition6,$whenCondition5,$PRE.intGai.nextTimeEvent,$whenCondition4,$PRE.reference.nextTimeEvent,$whenCondition3,$PRE.setTemp.nextTimeEvent,$whenCondition1,$whenCondition2,reference.nextTimeEvent,$PRE.reference.nextTimeEventScaled,reference.nextTimeEventScaled,$PRE.assEqu.satisfied,assEqu.satisfied,$PRE.mean.y_last,mean.y_last,intGai.nextTimeEvent,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEventScaled,setTemp.nextTimeEvent,$PRE.setTemp.nextTimeEventScaled,setTemp.nextTimeEventScaled,conHeaCoo.I.trigger_internal)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (64):
 * Single equations (assignments): 63
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 1 {2 25}
Notification: Performance of prepare postOptimizeDAE: time 0.001183/1.247, allocations: 463.4 kB / 1.119 GB, free: 13.61 MB / 0.698 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003808/1.248, allocations: 157.1 kB / 1.12 GB, free: 13.52 MB / 0.698 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007124/1.248, allocations: 181.3 kB / 1.12 GB, free: 13.5 MB / 0.698 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.194e-05/1.248, allocations: 6.156 kB / 1.12 GB, free: 13.5 MB / 0.698 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.565e-05/1.249, allocations: 2.875 kB / 1.12 GB, free: 13.5 MB / 0.698 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.661e-05/1.249, allocations: 3.234 kB / 1.12 GB, free: 13.5 MB / 0.698 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006084/1.255, allocations: 1.931 MB / 1.122 GB, free: 13.1 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.164e-05/1.255, allocations: 0 / 1.122 GB, free: 13.1 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006219/1.255, allocations: 58.88 kB / 1.122 GB, free: 13.09 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.001409/1.257, allocations: 290.1 kB / 1.122 GB, free: 13.02 MB / 0.698 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000123/1.257, allocations: 17.2 kB / 1.122 GB, free: 13.01 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01026/1.267, allocations: 4.791 MB / 1.127 GB, free: 9.895 MB / 0.698 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.655e-06/1.267, allocations: 0 / 1.127 GB, free: 9.895 MB / 0.698 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005147/1.272, allocations: 1.403 MB / 1.128 GB, free: 9.457 MB / 0.698 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0008618/1.273, allocations: 275.5 kB / 1.128 GB, free: 9.25 MB / 0.698 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002474/1.274, allocations: 18.08 kB / 1.128 GB, free: 9.246 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008712/1.275, allocations: 44.95 kB / 1.128 GB, free: 9.234 MB / 0.698 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002774/1.275, allocations: 71.3 kB / 1.128 GB, free: 9.203 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.648e-05/1.275, allocations: 24.86 kB / 1.128 GB, free: 9.199 MB / 0.698 GB
Notification: Performance of sorting global known variables: time 0.002714/1.278, allocations: 1.627 MB / 1.13 GB, free: 8.871 MB / 0.698 GB
Notification: Performance of sort global known variables: time 9.02e-07/1.278, allocations: 1.859 kB / 1.13 GB, free: 8.871 MB / 0.698 GB
Notification: Performance of remove unused functions: time 0.001876/1.28, allocations: 280.5 kB / 1.13 GB, free: 8.836 MB / 0.698 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,conHeaCoo.I.y,mean.x)
 * Number of discrete variables: 15 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,setTemp.nextTimeEvent,setTemp.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y_last)
 * Number of discrete states: 9 (intGai.nextTimeEvent,reference.nextTimeEvent,setTemp.nextTimeEvent,mean.x,setTemp.nextTimeEventScaled,reference.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,intGai.nextTimeEventScaled)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (37):
 * Single equations (assignments): 27
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 8
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 1 {(1,100.0%) 3}
 * Non-linear torn systems: 1 {3 21}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001586/1.281, allocations: 0.5563 MB / 1.131 GB, free: 8.531 MB / 0.698 GB
Notification: Performance of simCode: created initialization part: time 0.003056/1.284, allocations: 0.8764 MB / 1.132 GB, free: 8.27 MB / 0.698 GB
Notification: Performance of simCode: created event and clocks part: time 5.139e-06/1.284, allocations: 0 / 1.132 GB, free: 8.27 MB / 0.698 GB
Notification: Performance of simCode: created simulation system equations: time 0.002055/1.286, allocations: 0.6877 MB / 1.132 GB, free: 7.938 MB / 0.698 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00241/1.289, allocations: 254.8 kB / 1.133 GB, free: 7.867 MB / 0.698 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008083/1.297, allocations: 3.446 MB / 1.136 GB, free: 6.152 MB / 0.698 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00136/1.298, allocations: 1.313 MB / 1.137 GB, free: 5.215 MB / 0.698 GB
Notification: Performance of simCode: alias equations: time 0.0007317/1.299, allocations: 120.9 kB / 1.137 GB, free: 5.156 MB / 0.698 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000209/1.299, allocations: 55.8 kB / 1.137 GB, free: 5.145 MB / 0.698 GB
Notification: Performance of SimCode: time 1.663e-06/1.299, allocations: 0 / 1.137 GB, free: 5.145 MB / 0.698 GB
Notification: Performance of Templates: time 0.04368/1.343, allocations: 13.19 MB / 1.15 GB, free: 13.56 MB / 0.7136 GB
make -j1 -f Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.makefile
(rm -f Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe ; mkfifo Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe ; head -c 1048576 < Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe >> ../files/Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.sim & ./Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7 -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_7.0.0_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe 2>&1)