Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/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(BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes") translateModel(BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007692/0.0007692, allocations: 91.84 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.004803/0.004803, allocations: 169.6 kB / 16.26 MB, free: 6.676 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.295/1.295, allocations: 223.3 MB / 240.3 MB, free: 5.348 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001642/0.001642, allocations: 266.6 kB / 291.7 MB, free: 1.875 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9415/0.9415, allocations: 169.5 MB / 0.5004 GB, free: 14.11 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.000456/0.0004561, allocations: 16 kB / 0.5987 GB, free: 28.05 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1432/0.1437, allocations: 88.55 MB / 0.6852 GB, free: 15.05 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes): time 0.001243/0.1449, allocations: 1.05 MB / 0.6862 GB, free: 13.99 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.001941/0.1469, allocations: 1.31 MB / 0.6875 GB, free: 12.68 MB / 494.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 2.317e-05/0.1469, allocations: 0 / 0.6875 GB, free: 12.68 MB / 494.1 MB Notification: Performance of NFTyping.typeComponents: time 6.785e-05/0.147, allocations: 3.938 kB / 0.6875 GB, free: 12.67 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0001638/0.1472, allocations: 25.55 kB / 0.6875 GB, free: 12.64 MB / 494.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Math/Random.mo:1057:5-1146:31:writable] Warning: Pure function ‘Modelica.Math.Random.Utilities.initializeImpureRandom‘ contains a call to impure function ‘Modelica.Math.Random.Utilities.initializeImpureRandom.setInternalState‘. Notification: Performance of NFTyping.typeClassSections: time 0.0007849/0.148, allocations: 317.3 kB / 0.6878 GB, free: 12.34 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 8.22e-05/0.1481, allocations: 64.02 kB / 0.6879 GB, free: 12.28 MB / 494.1 MB Notification: Performance of NFFlatten.resolveConnections: time 3.66e-05/0.1481, allocations: 0 / 0.6879 GB, free: 12.28 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 3.407e-05/0.1481, allocations: 19.91 kB / 0.6879 GB, free: 12.26 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001254/0.1483, allocations: 93.86 kB / 0.688 GB, free: 12.17 MB / 494.1 MB Notification: Performance of NFPackage.collectConstants: time 1.462e-05/0.1483, allocations: 0 / 0.688 GB, free: 12.17 MB / 494.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0007537/0.1491, allocations: 0.5187 MB / 0.6885 GB, free: 11.65 MB / 494.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0004855/0.1496, allocations: 0.5509 MB / 0.689 GB, free: 11.11 MB / 494.1 MB Notification: Performance of NFVerifyModel.verify: time 0.000212/0.1498, allocations: 338.8 kB / 0.6893 GB, free: 10.77 MB / 494.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0008875/0.1507, allocations: 0.938 MB / 0.6903 GB, free: 9.824 MB / 494.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.997e-06/0.1507, allocations: 3.984 kB / 0.6903 GB, free: 9.82 MB / 494.1 MB Notification: Performance of FrontEnd: time 1.162e-06/0.1507, allocations: 0 / 0.6903 GB, free: 9.82 MB / 494.1 MB Notification: Performance of Transformations before backend: time 6.963e-06/0.1507, allocations: 0 / 0.6903 GB, free: 9.82 MB / 494.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1 * Number of variables: 1 Notification: Performance of Generate backend data structure: time 0.001073/0.1518, allocations: 1.169 MB / 0.6914 GB, free: 8.598 MB / 494.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.349e-05/0.1518, allocations: 8.031 kB / 0.6914 GB, free: 8.59 MB / 494.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001386/0.152, allocations: 111.4 kB / 0.6915 GB, free: 8.48 MB / 494.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003852/0.1524, allocations: 475.6 kB / 0.692 GB, free: 7.969 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.265e-06/0.1524, allocations: 384 / 0.692 GB, free: 7.969 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 1.21e-05/0.1524, allocations: 8.375 kB / 0.692 GB, free: 7.961 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001733/0.1526, allocations: 169.9 kB / 0.6921 GB, free: 7.789 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.242e-06/0.1526, allocations: 0 / 0.6921 GB, free: 7.789 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.045e-06/0.1526, allocations: 0 / 0.6921 GB, free: 7.789 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.631e-06/0.1526, allocations: 4 kB / 0.6921 GB, free: 7.785 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001954/0.1528, allocations: 259.9 kB / 0.6924 GB, free: 7.531 MB / 494.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0004465/0.1533, allocations: 0.552 MB / 0.6929 GB, free: 6.926 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0001137/0.1534, allocations: 154.5 kB / 0.6931 GB, free: 6.766 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 9.279e-05/0.1535, allocations: 140.8 kB / 0.6932 GB, free: 6.625 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 7.642e-05/0.1536, allocations: 88.62 kB / 0.6933 GB, free: 6.535 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.951e-05/0.1536, allocations: 38.44 kB / 0.6933 GB, free: 6.488 MB / 494.1 MB Notification: Performance of pre-optimization done (n=1): time 1.012e-06/0.1536, allocations: 0 / 0.6933 GB, free: 6.488 MB / 494.1 MB Notification: Performance of matching and sorting (n=1): time 0.0004349/0.154, allocations: 0.5195 MB / 0.6938 GB, free: 5.961 MB / 494.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.961e-05/0.1541, allocations: 51.41 kB / 0.6939 GB, free: 5.898 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001293/0.1554, allocations: 1.384 MB / 0.6952 GB, free: 4.504 MB / 494.1 MB Notification: Performance of collectPreVariables (initialization): time 1.429e-05/0.1554, allocations: 33.83 kB / 0.6953 GB, free: 4.465 MB / 494.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003298/0.1557, allocations: 453.5 kB / 0.6957 GB, free: 4.02 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 1.665e-05/0.1558, allocations: 3.906 kB / 0.6957 GB, free: 4.016 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 9.213e-05/0.1559, allocations: 105.6 kB / 0.6958 GB, free: 3.906 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 0.000127/0.156, allocations: 341.9 kB / 0.6961 GB, free: 3.566 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004422/0.1564, allocations: 0.5867 MB / 0.6967 GB, free: 2.98 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004244/0.1569, allocations: 0.5983 MB / 0.6973 GB, free: 2.383 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008474/0.1577, allocations: 1.162 MB / 0.6984 GB, free: 1.066 MB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.194e-06/0.1577, allocations: 3.938 kB / 0.6984 GB, free: 1.062 MB / 494.1 MB Notification: Performance of matching and sorting (n=105) (initialization): time 0.001225/0.159, allocations: 1.392 MB / 0.6998 GB, free: 15.66 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 1.751e-05/0.159, allocations: 7.938 kB / 0.6998 GB, free: 15.65 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.396e-05/0.159, allocations: 0 / 0.6998 GB, free: 15.65 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.309e-05/0.159, allocations: 4 kB / 0.6998 GB, free: 15.65 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 1.526e-05/0.1591, allocations: 3.984 kB / 0.6998 GB, free: 15.64 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.489e-06/0.1591, allocations: 0 / 0.6998 GB, free: 15.64 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000154/0.1592, allocations: 66.88 kB / 0.6999 GB, free: 15.58 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.805e-06/0.1592, allocations: 0 / 0.6999 GB, free: 15.58 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 105 (cluSiz[4],cluSiz[3],cluSiz[2],cluSiz[1],labels[100],labels[99],labels[98],labels[97],labels[96],labels[95],labels[94],labels[93],labels[92],labels[91],labels[90],labels[89],labels[88],labels[87],labels[86],labels[85],labels[84],labels[83],labels[82],labels[81],labels[80],labels[79],labels[78],labels[77],labels[76],labels[75],labels[74],labels[73],labels[72],labels[71],labels[70],labels[69],labels[68],labels[67],labels[66],labels[65],labels[64],labels[63],labels[62],labels[61],labels[60],labels[59],labels[58],labels[57],labels[56],labels[55],labels[54],labels[53],labels[52],labels[51],labels[50],labels[49],labels[48],labels[47],labels[46],labels[45],labels[44],labels[43],labels[42],labels[41],labels[40],labels[39],labels[38],labels[37],labels[36],labels[35],labels[34],labels[33],labels[32],labels[31],labels[30],labels[29],labels[28],labels[27],labels[26],labels[25],labels[24],labels[23],labels[22],labels[21],labels[20],labels[19],labels[18],labels[17],labels[16],labels[15],labels[14],labels[13],labels[12],labels[11],labels[10],labels[9],labels[8],labels[7],labels[6],labels[5],labels[4],labels[3],labels[2],labels[1],cmp) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (2): * Single equations (assignments): 1 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0003827/0.1596, allocations: 387.5 kB / 0.7002 GB, free: 15.2 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.738e-05/0.1597, allocations: 114.3 kB / 0.7004 GB, free: 15.08 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003537/0.1601, allocations: 408.7 kB / 0.7007 GB, free: 14.67 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.786e-06/0.1601, allocations: 0 / 0.7007 GB, free: 14.67 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.937e-06/0.1601, allocations: 0 / 0.7007 GB, free: 14.67 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.094e-06/0.1601, allocations: 0 / 0.7007 GB, free: 14.67 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004214/0.1605, allocations: 0.5448 MB / 0.7013 GB, free: 14.07 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.002e-06/0.1605, allocations: 0 / 0.7013 GB, free: 14.07 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 6.061e-06/0.1605, allocations: 8.031 kB / 0.7013 GB, free: 14.07 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.779e-06/0.1605, allocations: 7.938 kB / 0.7013 GB, free: 14.06 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.634e-06/0.1606, allocations: 0 / 0.7013 GB, free: 14.06 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.704e-06/0.1606, allocations: 3.938 kB / 0.7013 GB, free: 14.05 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.132e-06/0.1606, allocations: 0 / 0.7013 GB, free: 14.05 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000312/0.1609, allocations: 430.3 kB / 0.7017 GB, free: 13.61 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001303/0.161, allocations: 175.5 kB / 0.7019 GB, free: 13.42 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.594e-05/0.1611, allocations: 0 / 0.7019 GB, free: 13.42 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 9.465e-05/0.1612, allocations: 8.016 kB / 0.7019 GB, free: 13.41 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 1.014e-05/0.1612, allocations: 0 / 0.7019 GB, free: 13.41 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.495e-06/0.1612, allocations: 0 / 0.7019 GB, free: 13.41 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.0009335/0.1621, allocations: 0.9075 MB / 0.7028 GB, free: 12.51 MB / 0.4981 GB Notification: Performance of sort global known variables: time 1.2e-07/0.1622, allocations: 0 / 0.7028 GB, free: 12.51 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.0005188/0.1627, allocations: 180 kB / 0.7029 GB, free: 12.33 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 1 (cmp) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (1): * Single equations (assignments): 1 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.00061/0.1633, allocations: 283.7 kB / 0.7032 GB, free: 12.06 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.0008095/0.1641, allocations: 1.049 MB / 0.7042 GB, free: 11 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 2.054e-06/0.1641, allocations: 0 / 0.7042 GB, free: 11 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 9.381e-05/0.1642, allocations: 139.9 kB / 0.7044 GB, free: 10.87 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003303/0.1646, allocations: 34.77 kB / 0.7044 GB, free: 10.84 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001935/0.1665, allocations: 1.9 MB / 0.7063 GB, free: 8.906 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005082/0.167, allocations: 1.012 MB / 0.7072 GB, free: 7.867 MB / 0.4981 GB Notification: Performance of simCode: alias equations: time 2.444e-05/0.1671, allocations: 4 kB / 0.7072 GB, free: 7.863 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 1.488e-05/0.1671, allocations: 11.44 kB / 0.7073 GB, free: 7.852 MB / 0.4981 GB Notification: Performance of SimCode: time 3.71e-07/0.1671, allocations: 0 / 0.7073 GB, free: 7.852 MB / 0.4981 GB Notification: Performance of Templates: time 0.009302/0.1764, allocations: 4.404 MB / 0.7116 GB, free: 3.5 MB / 0.4981 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes.sim & ./BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.ClusterBoreholes_100boreholes.pipe 2>&1)