Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160629.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_20160629,fileNamePrefix="PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Comax_Analytical_20160629",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(PhotoVoltaics_TGM.TGM_Comax_Analytical_20160629,fileNamePrefix="PhotoVoltaics_TGM_PhotoVoltaics_TGM_TGM_Comax_Analytical_20160629",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 0.04443/0.04443, allocations: 5.395 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 0.0117/0.0117, allocations: 92.58 kB / 23.03 MB, free: 0.7891 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001325/0.001325, allocations: 191.6 kB / 25.14 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 1.444/1.444, allocations: 222.9 MB / 250 MB, free: 8.449 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PhotoVoltaics_TGM 2.0.0/package.mo): time 0.01779/0.01779, allocations: 2.314 MB / 303.7 MB, free: 6.48 MB / 238.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002661/0.002661, allocations: 103.8 kB / 419.2 MB, free: 23.02 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1047/0.1074, allocations: 51.2 MB / 470.4 MB, free: 3.766 MB / 334.1 MB Notification: Performance of NFInst.instantiate(PhotoVoltaics_TGM.TGM_Comax_Analytical_20160629): time 0.009299/0.1168, allocations: 6.781 MB / 477.1 MB, free: 12.95 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.006974/0.1238, allocations: 3.127 MB / 480.3 MB, free: 9.812 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001287/0.1252, allocations: 27.94 kB / 480.3 MB, free: 9.785 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003472/0.1287, allocations: 1.099 MB / 481.4 MB, free: 8.684 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.002982/0.1317, allocations: 0.8467 MB / 482.2 MB, free: 7.832 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002116/0.1338, allocations: 0.5306 MB / 482.8 MB, free: 7.309 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.002392/0.1362, allocations: 1.382 MB / 484.1 MB, free: 5.922 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0017/0.1379, allocations: 1.032 MB / 485.2 MB, free: 4.859 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0008596/0.1388, allocations: 0.5527 MB / 485.7 MB, free: 4.305 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0009784/0.1398, allocations: 0.7198 MB / 486.4 MB, free: 3.582 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002162/0.14, allocations: 140 kB / 486.6 MB, free: 3.445 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001019/0.141, allocations: 443.6 kB / 487 MB, free: 3.012 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002797/0.1413, allocations: 287.1 kB / 487.3 MB, free: 2.73 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0007235/0.142, allocations: 0.6376 MB / 487.9 MB, free: 2.09 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.002614/0.1447, allocations: 1.751 MB / 489.7 MB, free: 340 kB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.959e-06/0.1447, allocations: 0 / 489.7 MB, free: 340 kB / 350.1 MB Notification: Performance of FrontEnd: time 1.813e-06/0.1447, allocations: 4 kB / 489.7 MB, free: 336 kB / 350.1 MB Notification: Performance of Transformations before backend: time 1.891e-05/0.1447, allocations: 0 / 489.7 MB, free: 336 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 0.004613/0.1493, allocations: 1.8 MB / 491.5 MB, free: 14.45 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 6.204e-05/0.1494, allocations: 8.031 kB / 491.5 MB, free: 14.44 MB / 366.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002942/0.1497, allocations: 160.9 kB / 491.7 MB, free: 14.27 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002196/0.1519, allocations: 379.9 kB / 492 MB, free: 13.9 MB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001954/0.1539, allocations: 0.7643 MB / 492.8 MB, free: 13.09 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.094e-05/0.154, allocations: 78.06 kB / 492.9 MB, free: 13.02 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001754/0.1542, allocations: 108 kB / 493 MB, free: 12.91 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002343/0.1565, allocations: 1.179 MB / 494.2 MB, free: 11.67 MB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.05e-05/0.1566, allocations: 4 kB / 494.2 MB, free: 11.67 MB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001102/0.1567, allocations: 44 kB / 494.2 MB, free: 11.62 MB / 366.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.735e-05/0.1567, allocations: 24 kB / 494.2 MB, free: 11.6 MB / 366.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002514/0.1592, allocations: 1.038 MB / 495.3 MB, free: 10.57 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.007456/0.1667, allocations: 4.381 MB / 499.6 MB, free: 5.984 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003324/0.1701, allocations: 1.78 MB / 0.4897 GB, free: 3.996 MB / 366.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008764/0.171, allocations: 363.4 kB / 0.49 GB, free: 3.633 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001972/0.1712, allocations: 174.8 kB / 0.4902 GB, free: 3.426 MB / 366.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001041/0.1722, allocations: 0.5475 MB / 0.4907 GB, free: 2.836 MB / 366.1 MB Notification: Performance of pre-optimization done (n=79): time 2.104e-06/0.1722, allocations: 0 / 0.4907 GB, free: 2.836 MB / 366.1 MB Notification: Performance of matching and sorting (n=79): time 0.006173/0.1784, allocations: 1.71 MB / 0.4924 GB, free: 1.082 MB / 366.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001802/0.1786, allocations: 285.6 kB / 0.4927 GB, free: 0.7422 MB / 366.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008108/0.1794, allocations: 0.5537 MB / 0.4932 GB, free: 184 kB / 366.1 MB Notification: Performance of collectPreVariables (initialization): time 6.367e-05/0.1795, allocations: 45.7 kB / 0.4932 GB, free: 132 kB / 366.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004257/0.18, allocations: 0.4961 MB / 0.4937 GB, free: 15.62 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002376/0.1802, allocations: 257.8 kB / 0.494 GB, free: 15.37 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003407/0.1805, allocations: 222.8 kB / 0.4942 GB, free: 15.14 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 0.0002033/0.1808, allocations: 382.8 kB / 0.4946 GB, free: 14.76 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008015/0.1816, allocations: 322.4 kB / 0.4949 GB, free: 14.45 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009978/0.1826, 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 0.01819/0.2008, allocations: 3.623 MB / 0.499 GB, free: 9.996 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.588e-05/0.2008, allocations: 7.938 kB / 0.499 GB, free: 9.988 MB / 382.1 MB Notification: Performance of matching and sorting (n=133) (initialization): time 0.003037/0.2039, allocations: 1.202 MB / 0.5001 GB, free: 8.758 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 9.234e-05/0.204, allocations: 97.09 kB / 0.5002 GB, free: 8.645 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.513e-05/0.204, allocations: 4 kB / 0.5002 GB, free: 8.641 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004686/0.2045, allocations: 89.03 kB / 0.5003 GB, free: 8.551 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001151/0.2056, allocations: 247.6 kB / 0.5006 GB, free: 8.309 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001785/0.2074, allocations: 1.601 MB / 0.5021 GB, free: 6.566 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009668/0.2084, allocations: 111.3 kB / 0.5022 GB, free: 6.457 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001102/0.2085, allocations: 55.95 kB / 0.5023 GB, free: 6.402 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 0.0006537/0.2092, allocations: 369.3 kB / 0.5026 GB, free: 6.012 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000228/0.2094, allocations: 91.36 kB / 0.5027 GB, free: 5.922 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002937/0.2124, allocations: 1.249 MB / 0.5039 GB, free: 4.641 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.015e-05/0.2124, allocations: 8 kB / 0.5039 GB, free: 4.633 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.607e-06/0.2124, allocations: 0 / 0.5039 GB, free: 4.633 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.35e-05/0.2124, allocations: 7.969 kB / 0.5039 GB, free: 4.625 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007382/0.2198, allocations: 2.551 MB / 0.5064 GB, free: 1.992 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.266e-06/0.2199, allocations: 0 / 0.5064 GB, free: 1.992 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001008/0.2209, allocations: 143.8 kB / 0.5066 GB, free: 1.852 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001232/0.2221, allocations: 322.2 kB / 0.5069 GB, free: 1.527 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001294/0.2223, allocations: 31.97 kB / 0.5069 GB, free: 1.496 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002069/0.2244, allocations: 0.8936 MB / 0.5078 GB, free: 0.5703 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.256e-06/0.2244, allocations: 0 / 0.5078 GB, free: 0.5703 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2044/0.4287, allocations: 1.925 MB / 0.5097 GB, free: 46.46 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0003655/0.4291, allocations: 245.6 kB / 0.5099 GB, free: 46.37 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001401/0.4293, allocations: 28.64 kB / 0.5099 GB, free: 46.37 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007044/0.43, allocations: 52.44 kB / 0.51 GB, free: 46.37 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001311/0.4302, allocations: 58.95 kB / 0.51 GB, free: 46.37 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.677e-05/0.4302, allocations: 37.45 kB / 0.5101 GB, free: 46.37 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0005028/0.4307, allocations: 391.3 kB / 0.5104 GB, free: 46.28 MB / 382.1 MB Notification: Performance of sort global known variables: time 2.6e-07/0.4307, allocations: 1.031 kB / 0.5104 GB, free: 46.28 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.0009778/0.4317, allocations: 346.2 kB / 0.5108 GB, free: 46.28 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 0.006371/0.4381, allocations: 2.723 MB / 0.5134 GB, free: 45.32 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.002163/0.4403, allocations: 1.152 MB / 0.5146 GB, free: 44.77 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 4.328e-06/0.4403, allocations: 0 / 0.5146 GB, free: 44.77 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001004/0.4413, allocations: 0.679 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 0.0008758/0.4422, allocations: 142.4 kB / 0.5154 GB, free: 44.34 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01069/0.4529, 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 0.000461/0.4534, allocations: 1.015 MB / 0.5233 GB, free: 39.66 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0004914/0.4539, allocations: 128.9 kB / 0.5234 GB, free: 39.63 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004614/0.4544, allocations: 401.3 kB / 0.5238 GB, free: 39.34 MB / 382.1 MB Notification: Performance of SimCode: time 5.81e-07/0.4544, allocations: 0 / 0.5238 GB, free: 39.34 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04637/0.5007, allocations: 20.88 MB / 0.5442 GB, free: 24.93 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 13.04/13.54, allocations: 6.438 kB / 0.5442 GB, free: 24.93 MB / 382.1 MB (rm -f PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160629.pipe ; mkfifo PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160629.pipe ; head -c 1048576 < PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160629.pipe >> ../files/PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160629.sim & python3 -m fmpy simulate --output-file PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160629_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_20160629.fmu > PhotoVoltaics_TGM_PhotoVoltaics_TGM.TGM_Comax_Analytical_20160629.pipe 2>&1)