Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_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_Comax_Analytical_20160808,fileNamePrefix="PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Comax_Analytical_20160808",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808,fileNamePrefix="PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Comax_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 0.03347/0.03347, allocations: 5.396 MB / 21.03 MB, free: 1.625 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007429/0.007429, allocations: 93.09 kB / 23.03 MB, free: 0.7969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001362/0.001362, allocations: 197.3 kB / 25.15 MB, free: 192 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.451/1.451, allocations: 222.9 MB / 250 MB, free: 8.426 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics_TGM 2.0.0/package.mo): time 0.01004/0.01004, allocations: 2.318 MB / 303.7 MB, free: 6.48 MB / 238.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002648/0.002648, allocations: 99.84 kB / 419.2 MB, free: 23.01 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09169/0.09435, allocations: 51.19 MB / 470.3 MB, free: 3.77 MB / 334.1 MB Notification: Performance of NFInst.instantiate(PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808): time 0.009834/0.1042, allocations: 6.784 MB / 477.1 MB, free: 12.95 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.005949/0.1102, allocations: 3.131 MB / 480.3 MB, free: 9.812 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008982/0.1111, allocations: 20 kB / 480.3 MB, free: 9.793 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002948/0.1141, allocations: 1.092 MB / 481.4 MB, free: 8.695 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.002365/0.1165, allocations: 0.8545 MB / 482.2 MB, free: 7.836 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001751/0.1183, allocations: 0.5283 MB / 482.8 MB, free: 7.312 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.001998/0.1203, allocations: 1.382 MB / 484.1 MB, free: 5.926 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001633/0.1219, allocations: 1.028 MB / 485.2 MB, free: 4.867 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0007842/0.1227, allocations: 0.5605 MB / 485.7 MB, free: 4.305 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0009238/0.1236, allocations: 0.7159 MB / 486.4 MB, free: 3.586 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001874/0.1238, allocations: 144 kB / 486.6 MB, free: 3.445 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0008789/0.1247, allocations: 435.7 kB / 487 MB, free: 3.02 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002469/0.125, allocations: 291 kB / 487.3 MB, free: 2.734 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0006604/0.1257, allocations: 0.6337 MB / 487.9 MB, free: 2.098 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.00224/0.1279, allocations: 1.759 MB / 489.7 MB, free: 340 kB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.717e-06/0.1279, allocations: 0 / 489.7 MB, free: 340 kB / 350.1 MB Notification: Performance of FrontEnd: time 1.222e-06/0.1279, allocations: 0 / 489.7 MB, free: 340 kB / 350.1 MB Notification: Performance of Transformations before backend: time 2.176e-05/0.128, allocations: 0 / 489.7 MB, free: 340 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 0.004271/0.1322, allocations: 1.8 MB / 491.5 MB, free: 14.45 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.173e-05/0.1323, allocations: 12.03 kB / 491.5 MB, free: 14.44 MB / 366.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001942/0.1325, allocations: 156.9 kB / 491.6 MB, free: 14.28 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00215/0.1346, allocations: 379.9 kB / 492 MB, free: 13.91 MB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001682/0.1363, allocations: 0.7643 MB / 492.8 MB, free: 13.1 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.042e-05/0.1364, allocations: 82.06 kB / 492.9 MB, free: 13.02 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001702/0.1366, allocations: 104 kB / 493 MB, free: 12.91 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002206/0.1388, allocations: 1.179 MB / 494.1 MB, free: 11.68 MB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.838e-05/0.1389, allocations: 0 / 494.1 MB, free: 11.68 MB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001131/0.139, allocations: 44 kB / 494.2 MB, free: 11.63 MB / 366.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.315e-05/0.139, allocations: 24 kB / 494.2 MB, free: 11.61 MB / 366.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002286/0.1413, allocations: 1.044 MB / 495.3 MB, free: 10.57 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006469/0.1478, allocations: 4.381 MB / 499.6 MB, free: 5.988 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003176/0.151, allocations: 1.774 MB / 0.4897 GB, free: 4.008 MB / 366.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008762/0.1519, allocations: 367.4 kB / 0.49 GB, free: 3.641 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0002135/0.1521, allocations: 174.8 kB / 0.4902 GB, free: 3.434 MB / 366.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001039/0.1532, allocations: 0.5513 MB / 0.4907 GB, free: 2.84 MB / 366.1 MB Notification: Performance of pre-optimization done (n=79): time 2.395e-06/0.1532, allocations: 4 kB / 0.4907 GB, free: 2.836 MB / 366.1 MB Notification: Performance of matching and sorting (n=79): time 0.006166/0.1593, allocations: 1.71 MB / 0.4924 GB, free: 1.082 MB / 366.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001728/0.1595, allocations: 277.7 kB / 0.4927 GB, free: 0.75 MB / 366.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008224/0.1604, allocations: 0.5615 MB / 0.4932 GB, free: 184 kB / 366.1 MB Notification: Performance of collectPreVariables (initialization): time 6.034e-05/0.1604, allocations: 37.7 kB / 0.4932 GB, free: 140 kB / 366.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.000433/0.1609, allocations: 0.5 MB / 0.4937 GB, free: 15.63 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002523/0.1611, allocations: 261.8 kB / 0.494 GB, free: 15.37 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003506/0.1615, allocations: 210.8 kB / 0.4942 GB, free: 15.16 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 0.0002141/0.1617, allocations: 386.8 kB / 0.4945 GB, free: 14.77 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008025/0.1625, allocations: 322.4 kB / 0.4949 GB, free: 14.46 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001023/0.1636, allocations: 0.5682 MB / 0.4954 GB, free: 13.79 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 0.01839/0.182, allocations: 3.627 MB / 0.4989 GB, free: 10 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.316e-05/0.182, allocations: 3.938 kB / 0.499 GB, free: 9.996 MB / 382.1 MB Notification: Performance of matching and sorting (n=133) (initialization): time 0.002838/0.1848, allocations: 1.21 MB / 0.5001 GB, free: 8.758 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 7.8e-05/0.1849, allocations: 89.09 kB / 0.5002 GB, free: 8.652 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.71e-05/0.185, allocations: 11.98 kB / 0.5002 GB, free: 8.641 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004592/0.1854, allocations: 93.03 kB / 0.5003 GB, free: 8.547 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001115/0.1866, allocations: 251.5 kB / 0.5006 GB, free: 8.301 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00181/0.1884, allocations: 1.589 MB / 0.5021 GB, free: 6.57 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009249/0.1893, allocations: 119.4 kB / 0.5022 GB, free: 6.453 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001049/0.1894, allocations: 55.95 kB / 0.5023 GB, free: 6.398 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 0.000619/0.1901, allocations: 365.2 kB / 0.5026 GB, free: 6.012 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000183/0.1903, allocations: 87.42 kB / 0.5027 GB, free: 5.926 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002785/0.193, allocations: 1.257 MB / 0.5039 GB, free: 4.637 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.447e-06/0.1931, allocations: 8 kB / 0.5039 GB, free: 4.629 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.683e-06/0.1931, allocations: 0 / 0.5039 GB, free: 4.629 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.126e-05/0.1931, allocations: 7.922 kB / 0.504 GB, free: 4.621 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006681/0.1998, allocations: 2.547 MB / 0.5064 GB, free: 1.992 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.057e-06/0.1998, allocations: 4 kB / 0.5064 GB, free: 1.988 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006035/0.2004, allocations: 131.8 kB / 0.5066 GB, free: 1.859 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.000849/0.2013, allocations: 330.3 kB / 0.5069 GB, free: 1.527 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.433e-05/0.2014, allocations: 31.97 kB / 0.5069 GB, free: 1.496 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001418/0.2028, allocations: 0.8975 MB / 0.5078 GB, free: 0.5664 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.004e-06/0.2028, allocations: 0 / 0.5078 GB, free: 0.5664 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2032/0.406, allocations: 1.917 MB / 0.5097 GB, free: 46.45 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0004372/0.4065, allocations: 246.9 kB / 0.5099 GB, free: 46.36 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001421/0.4066, allocations: 25.75 kB / 0.5099 GB, free: 46.36 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006286/0.4073, allocations: 52.56 kB / 0.51 GB, free: 46.36 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001399/0.4074, allocations: 58.7 kB / 0.51 GB, free: 46.36 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.81e-05/0.4075, allocations: 38.48 kB / 0.5101 GB, free: 46.36 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.000501/0.408, allocations: 391.4 kB / 0.5104 GB, free: 46.27 MB / 382.1 MB Notification: Performance of sort global known variables: time 1.41e-07/0.408, allocations: 2.156 kB / 0.5104 GB, free: 46.27 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.0009628/0.409, allocations: 344.3 kB / 0.5108 GB, free: 46.27 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 0.006328/0.4153, allocations: 2.724 MB / 0.5134 GB, free: 45.32 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.002166/0.4175, allocations: 1.163 MB / 0.5146 GB, free: 44.76 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 2.876e-06/0.4175, allocations: 1.219 kB / 0.5146 GB, free: 44.76 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0009873/0.4185, allocations: 0.67 MB / 0.5152 GB, free: 44.39 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008422/0.4194, allocations: 137.6 kB / 0.5154 GB, free: 44.34 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01092/0.4303, allocations: 7.139 MB / 0.5223 GB, free: 40.38 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005026/0.4309, allocations: 1.016 MB / 0.5233 GB, free: 39.66 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0005227/0.4314, allocations: 128.4 kB / 0.5234 GB, free: 39.63 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004827/0.4319, allocations: 401.2 kB / 0.5238 GB, free: 39.34 MB / 382.1 MB Notification: Performance of SimCode: time 8.42e-07/0.4319, allocations: 5.047 kB / 0.5238 GB, free: 39.34 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04639/0.4783, allocations: 20.87 MB / 0.5442 GB, free: 24.94 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 12.94/13.42, allocations: 8.047 kB / 0.5442 GB, free: 24.93 MB / 382.1 MB (rm -f PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.pipe ; mkfifo PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.pipe ; head -c 1048576 < PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.pipe >> ../files/PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.sim & python3 -m fmpy simulate --output-file PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808_res.csv --start-time 0 --stop-time 86400 --timeout 50 --relative-tolerance 1e-08 --interface-type ModelExchange --solver CVode --output-interval 60 PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Comax_Analytical_20160808.fmu > PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160808.pipe 2>&1)