Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160808.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/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/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/PhotoVoltaics_TGM 2.0.0/package.mo", uses=false) Using package PhotoVoltaics_TGM with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics_TGM 2.0.0/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) Using package PhotoVoltaics with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/package.mo) Running command: "" <> buildModelFMU(PhotoVoltaics_TGM.TGM_Trina_Analytical_20160808,fileNamePrefix="PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Trina_Analytical_20160808",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(PhotoVoltaics_TGM.TGM_Trina_Analytical_20160808,fileNamePrefix="PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Trina_Analytical_20160808",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics 2.0.0/package.mo): time 0.03355/0.03355, allocations: 5.393 MB / 21.03 MB, free: 1.191 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009904/0.0009905, allocations: 98.83 kB / 23.02 MB, free: 0.6992 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001153/0.001153, allocations: 207.7 kB / 25.15 MB, free: 28 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.34/1.34, allocations: 222.9 MB / 250 MB, free: 8.434 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics_TGM 2.0.0/package.mo): time 0.009675/0.009675, allocations: 2.323 MB / 303.7 MB, free: 6.453 MB / 238.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001614/0.001614, allocations: 95.84 kB / 419.1 MB, free: 22.99 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09824/0.09987, allocations: 51.21 MB / 470.3 MB, free: 3.734 MB / 334.1 MB Notification: Performance of NFInst.instantiate(PhotoVoltaics_TGM.TGM_Trina_Analytical_20160808): time 0.008349/0.1083, allocations: 6.775 MB / 477.1 MB, free: 12.93 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.005709/0.114, allocations: 3.134 MB / 480.3 MB, free: 9.781 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00067/0.1147, allocations: 16 kB / 480.3 MB, free: 9.766 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002644/0.1173, allocations: 1.092 MB / 481.4 MB, free: 8.668 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.002291/0.1196, allocations: 0.8543 MB / 482.2 MB, free: 7.812 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001894/0.1215, allocations: 0.5287 MB / 482.7 MB, free: 7.285 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.001725/0.1233, allocations: 1.386 MB / 484.1 MB, free: 5.895 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001676/0.125, allocations: 1.03 MB / 485.2 MB, free: 4.836 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0007028/0.1257, allocations: 0.5644 MB / 485.7 MB, free: 4.27 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001173/0.1269, allocations: 0.7159 MB / 486.4 MB, free: 3.551 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002673/0.1272, allocations: 144 kB / 486.6 MB, free: 3.41 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0008048/0.128, allocations: 427.7 kB / 487 MB, free: 2.992 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002288/0.1282, allocations: 287 kB / 487.3 MB, free: 2.711 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0006322/0.1288, allocations: 0.6337 MB / 487.9 MB, free: 2.074 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001828/0.1307, allocations: 1.756 MB / 489.7 MB, free: 320 kB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.31e-06/0.1307, allocations: 0 / 489.7 MB, free: 320 kB / 350.1 MB Notification: Performance of FrontEnd: time 1.432e-06/0.1307, allocations: 4 kB / 489.7 MB, free: 316 kB / 350.1 MB Notification: Performance of Transformations before backend: time 4.218e-05/0.1308, allocations: 0 / 489.7 MB, free: 316 kB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 270 * Number of variables: 270 Notification: Performance of Generate backend data structure: time 0.004396/0.1352, allocations: 1.767 MB / 491.4 MB, free: 14.47 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.118e-05/0.1352, allocations: 12.03 kB / 491.5 MB, free: 14.46 MB / 366.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002052/0.1354, allocations: 160.9 kB / 491.6 MB, free: 14.29 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00202/0.1374, allocations: 367.2 kB / 492 MB, free: 13.93 MB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001582/0.139, allocations: 0.7676 MB / 492.7 MB, free: 13.12 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.417e-05/0.1391, allocations: 82.06 kB / 492.8 MB, free: 13.04 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001538/0.1393, allocations: 108 kB / 492.9 MB, free: 12.93 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002064/0.1414, allocations: 1.179 MB / 494.1 MB, free: 11.69 MB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.085e-05/0.1414, allocations: 7.938 kB / 494.1 MB, free: 11.68 MB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.281e-05/0.1415, allocations: 44 kB / 494.2 MB, free: 11.64 MB / 366.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.927e-05/0.1415, allocations: 24 kB / 494.2 MB, free: 11.62 MB / 366.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002306/0.1438, allocations: 1.038 MB / 495.2 MB, free: 10.58 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006441/0.1503, allocations: 4.353 MB / 499.6 MB, free: 6.023 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003214/0.1535, allocations: 1.776 MB / 0.4896 GB, free: 4.039 MB / 366.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007219/0.1543, allocations: 359.4 kB / 0.4899 GB, free: 3.68 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001693/0.1544, allocations: 178.8 kB / 0.4901 GB, free: 3.469 MB / 366.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00114/0.1556, allocations: 0.5513 MB / 0.4906 GB, free: 2.875 MB / 366.1 MB Notification: Performance of pre-optimization done (n=79): time 2.735e-06/0.1556, allocations: 3.938 kB / 0.4906 GB, free: 2.871 MB / 366.1 MB Notification: Performance of matching and sorting (n=79): time 0.006063/0.1617, allocations: 1.705 MB / 0.4923 GB, free: 1.121 MB / 366.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001381/0.1618, allocations: 281.7 kB / 0.4926 GB, free: 0.7852 MB / 366.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006477/0.1625, allocations: 0.5575 MB / 0.4931 GB, free: 224 kB / 366.1 MB Notification: Performance of collectPreVariables (initialization): time 6.191e-05/0.1626, allocations: 45.7 kB / 0.4932 GB, free: 172 kB / 366.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.000542/0.1631, allocations: 494.5 kB / 0.4936 GB, free: 15.68 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002068/0.1633, allocations: 252.5 kB / 0.4939 GB, free: 15.43 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000339/0.1637, allocations: 214.7 kB / 0.4941 GB, free: 15.21 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 0.0001806/0.1639, allocations: 378.8 kB / 0.4944 GB, free: 14.83 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000751/0.1646, allocations: 330.4 kB / 0.4948 GB, free: 14.51 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001053/0.1657, allocations: 0.5682 MB / 0.4953 GB, free: 13.84 MB / 382.1 MB Notification: It was not possible to check the given initialization system for consistency symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet. Notification: Performance of analyzeInitialSystem (initialization): time 0.01683/0.1825, allocations: 3.631 MB / 0.4989 GB, free: 10.05 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.763e-05/0.1826, allocations: 3.938 kB / 0.4989 GB, free: 10.04 MB / 382.1 MB Notification: Performance of matching and sorting (n=133) (initialization): time 0.002671/0.1853, allocations: 1.201 MB / 0.5 GB, free: 8.812 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 7.68e-05/0.1854, allocations: 95.69 kB / 0.5001 GB, free: 8.703 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.652e-05/0.1855, allocations: 12 kB / 0.5001 GB, free: 8.691 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004418/0.1859, allocations: 80.78 kB / 0.5002 GB, free: 8.609 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001147/0.1871, allocations: 259.5 kB / 0.5005 GB, free: 8.355 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001656/0.1887, allocations: 1.585 MB / 0.502 GB, free: 6.629 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009206/0.1897, allocations: 115 kB / 0.5021 GB, free: 6.516 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.376e-05/0.1898, allocations: 52.05 kB / 0.5022 GB, free: 6.465 MB / 382.1 MB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization system: $PRE.irradiance.daysOfYear = PhotoVoltaics.Functions.dayOfTheYear(31, 12, irradiance.startYear). Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 32 * Number of states: 0 () * Number of discrete variables: 27 (writeCSV.firstTrigger,$PRE.writeCSV.firstTrigger,irradiance.year,$PRE.irradiance.year,mpTracker.signv,$PRE.mpTracker.signv,mpTracker.firstTrigger,$PRE.mpTracker.firstTrigger,mpTracker.counter,$PRE.mpTracker.counter,writeCSV.sampleTrigger,$whenCondition4,mpTracker.sampleTrigger,$whenCondition1,irradiance.localDays,irradiance.daysOfYear,$PRE.irradiance.daysOfYear,irradiance.dayOfYear,$PRE.irradiance.dayOfYear,irradiance.startDayOfYear,$PRE.irradiance.startDayOfYear,mpTracker.vRef,$PRE.mpTracker.vRef,$whenCondition3,$whenCondition2,integrator.local_reset,converter.integrator.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (129): * Single equations (assignments): 125 * Array equations: 0 * Algorithm blocks: 3 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * 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): 1 system {2} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0004615/0.1902, allocations: 373.2 kB / 0.5025 GB, free: 6.07 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001578/0.1904, allocations: 83 kB / 0.5026 GB, free: 5.988 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002551/0.193, allocations: 1.249 MB / 0.5038 GB, free: 4.707 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.054e-05/0.193, allocations: 19.97 kB / 0.5038 GB, free: 4.688 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.615e-06/0.193, allocations: 0 / 0.5038 GB, free: 4.688 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.678e-06/0.193, allocations: 3.984 kB / 0.5039 GB, free: 4.684 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006516/0.1995, allocations: 2.535 MB / 0.5063 GB, free: 2.066 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.921e-06/0.1996, allocations: 4 kB / 0.5063 GB, free: 2.062 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005689/0.2001, allocations: 131.8 kB / 0.5065 GB, free: 1.934 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009064/0.2011, allocations: 330.3 kB / 0.5068 GB, free: 1.602 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.652e-05/0.2011, allocations: 31.97 kB / 0.5068 GB, free: 1.57 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001273/0.2024, allocations: 0.8974 MB / 0.5077 GB, free: 0.6406 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.663e-06/0.2024, allocations: 4.062 kB / 0.5077 GB, free: 0.6367 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.213/0.4154, allocations: 1.918 MB / 0.5096 GB, free: 46.38 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005043/0.416, allocations: 243.1 kB / 0.5098 GB, free: 46.29 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002836/0.4163, allocations: 28.3 kB / 0.5098 GB, free: 46.29 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007468/0.417, allocations: 46.8 kB / 0.5099 GB, free: 46.29 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001534/0.4172, allocations: 67.27 kB / 0.5099 GB, free: 46.29 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.934e-05/0.4173, allocations: 38.89 kB / 0.51 GB, free: 46.29 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0005742/0.4179, allocations: 392 kB / 0.5103 GB, free: 46.2 MB / 382.1 MB Notification: Performance of sort global known variables: time 1.333e-06/0.4179, allocations: 0 / 0.5103 GB, free: 46.2 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.001135/0.4191, allocations: 344 kB / 0.5107 GB, free: 46.2 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 3 (converter.integrator.y,integrator.y,voltageSource.pin_p.reference.gamma) * Number of discrete variables: 16 ($whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,mpTracker.firstTrigger,mpTracker.sampleTrigger,mpTracker.counter,mpTracker.signv,mpTracker.vRef,irradiance.startDayOfYear,irradiance.dayOfYear,irradiance.daysOfYear,irradiance.year,irradiance.localDays,writeCSV.sampleTrigger,writeCSV.firstTrigger) * Number of discrete states: 16 (irradiance.daysOfYear,irradiance.year,irradiance.startDayOfYear,$whenCondition3,irradiance.dayOfYear,$whenCondition2,mpTracker.signv,mpTracker.vRef,mpTracker.firstTrigger,mpTracker.counter,$whenCondition1,mpTracker.sampleTrigger,mpTracker.power,writeCSV.firstTrigger,$whenCondition4,writeCSV.sampleTrigger) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (80): * Single equations (assignments): 77 * Array equations: 0 * Algorithm blocks: 2 * 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 {(1,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.006948/0.426, allocations: 2.71 MB / 0.5133 GB, free: 45.28 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.002656/0.4287, allocations: 1.156 MB / 0.5144 GB, free: 44.72 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 2.856e-06/0.4287, allocations: 7.656 kB / 0.5144 GB, free: 44.72 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001017/0.4297, allocations: 0.6626 MB / 0.5151 GB, free: 44.36 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001013/0.4308, allocations: 140.1 kB / 0.5152 GB, free: 44.3 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01279/0.4436, allocations: 7.108 MB / 0.5222 GB, free: 40.38 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005656/0.4442, allocations: 1.012 MB / 0.5232 GB, free: 39.66 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0006945/0.4449, allocations: 131 kB / 0.5233 GB, free: 39.63 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005265/0.4454, allocations: 401.5 kB / 0.5237 GB, free: 39.34 MB / 382.1 MB Notification: Performance of SimCode: time 4.31e-07/0.4454, allocations: 0 / 0.5237 GB, free: 39.34 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04821/0.4936, allocations: 21.27 MB / 0.5444 GB, free: 24.66 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 12.46/12.95, allocations: 5.938 kB / 0.5444 GB, free: 24.66 MB / 382.1 MB (rm -f PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160808.pipe ; mkfifo PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160808.pipe ; head -c 1048576 < PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160808.pipe >> ../files/PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160808.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Trina_Analytical_20160808_fmu --startTime=0 --stopTime=86400 --timeout=50 --tolerance=1e-08 PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Trina_Analytical_20160808.fmu > PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Trina_Analytical_20160808.pipe 2>&1)