Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.DHC.ETS.Heating.Examples.Direct.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/Buildings 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/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: "" <> buildModelFMU(Buildings.DHC.ETS.Heating.Examples.Direct,fileNamePrefix="Buildings_11_Buildings_DHC_ETS_Heating_Examples_Direct",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.DHC.ETS.Heating.Examples.Direct,fileNamePrefix="Buildings_11_Buildings_DHC_ETS_Heating_Examples_Direct",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.005246/0.005246, allocations: 96.16 kB / 15.73 MB, free: 6.043 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00146/0.00146, allocations: 195.8 kB / 16.68 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.317/1.317, allocations: 222.9 MB / 240.4 MB, free: 4.289 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.551/2.551, allocations: 469.8 MB / 0.7425 GB, free: 7.293 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001729/0.001729, allocations: 63.83 kB / 1.065 GB, free: 13.57 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2764/0.2781, allocations: 159.1 MB / 1.22 GB, free: 14.32 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.DHC.ETS.Heating.Examples.Direct): time 0.6447/0.9229, allocations: 155.2 MB / 1.372 GB, free: 12.62 MB / 1.076 GB Notification: Performance of NFInst.instExpressions: time 0.04462/0.9675, allocations: 34.21 MB / 1.405 GB, free: 1.504 MB / 1.092 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004948/0.9725, allocations: 169.2 kB / 1.405 GB, free: 1.441 MB / 1.092 GB Notification: Performance of NFTyping.typeComponents: time 0.006584/0.9791, allocations: 2.992 MB / 1.408 GB, free: 15.18 MB / 1.107 GB Notification: Performance of NFTyping.typeBindings: time 0.01236/0.9915, allocations: 5.454 MB / 1.414 GB, free: 10.79 MB / 1.107 GB Notification: Performance of NFTyping.typeClassSections: time 0.008897/1, allocations: 4.41 MB / 1.418 GB, free: 7.457 MB / 1.107 GB Notification: Performance of NFFlatten.flatten: time 0.01595/1.016, allocations: 13.55 MB / 1.431 GB, free: 13.62 MB / 1.123 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004523/1.021, allocations: 3.665 MB / 1.435 GB, free: 9.891 MB / 1.123 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007816/1.029, allocations: 4.298 MB / 1.439 GB, free: 5.594 MB / 1.123 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003453/1.032, allocations: 2.957 MB / 1.442 GB, free: 2.625 MB / 1.123 GB Notification: Performance of NFPackage.collectConstants: time 0.0005378/1.033, allocations: 408 kB / 1.442 GB, free: 2.227 MB / 1.123 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00563/1.038, allocations: 2.937 MB / 1.445 GB, free: 15.29 MB / 1.139 GB Notification: Performance of NFScalarize.scalarize: time 0.001038/1.039, allocations: 1.168 MB / 1.446 GB, free: 14.11 MB / 1.139 GB Notification: Performance of NFVerifyModel.verify: time 0.002351/1.042, allocations: 2.403 MB / 1.449 GB, free: 11.7 MB / 1.139 GB Notification: Performance of NFConvertDAE.convert: time 0.009678/1.051, allocations: 7.485 MB / 1.456 GB, free: 4.188 MB / 1.139 GB Notification: Performance of FrontEnd - DAE generated: time 3.487e-06/1.051, allocations: 0 / 1.456 GB, free: 4.188 MB / 1.139 GB Notification: Performance of FrontEnd: time 1.222e-06/1.051, allocations: 0 / 1.456 GB, free: 4.188 MB / 1.139 GB Notification: Performance of Transformations before backend: time 8.367e-05/1.052, allocations: 0 / 1.456 GB, free: 4.188 MB / 1.139 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 567 * Number of variables: 567 Notification: Performance of Generate backend data structure: time 0.008028/1.06, allocations: 5.126 MB / 1.461 GB, free: 14.97 MB / 1.154 GB Notification: Performance of prepare preOptimizeDAE: time 3.727e-05/1.06, allocations: 11.97 kB / 1.461 GB, free: 14.96 MB / 1.154 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0003507/1.06, allocations: 312.4 kB / 1.461 GB, free: 14.64 MB / 1.154 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001674/1.062, allocations: 0.6061 MB / 1.462 GB, free: 14.03 MB / 1.154 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006991/1.069, allocations: 4.692 MB / 1.466 GB, free: 9.277 MB / 1.154 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001447/1.069, allocations: 184.4 kB / 1.466 GB, free: 9.094 MB / 1.154 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003084/1.069, allocations: 239.9 kB / 1.467 GB, free: 8.859 MB / 1.154 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003935/1.073, allocations: 2.474 MB / 1.469 GB, free: 6.242 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.09e-05/1.073, allocations: 7.891 kB / 1.469 GB, free: 6.234 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001915/1.073, allocations: 96 kB / 1.469 GB, free: 6.141 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.982e-05/1.073, allocations: 88.22 kB / 1.469 GB, free: 6.051 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003278/1.077, allocations: 1.84 MB / 1.471 GB, free: 4.195 MB / 1.154 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 0.01401/1.091, allocations: 13.19 MB / 1.484 GB, free: 6.098 MB / 1.17 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002013/1.093, allocations: 1.217 MB / 1.485 GB, free: 4.855 MB / 1.17 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001178/1.094, allocations: 0.6795 MB / 1.486 GB, free: 4.176 MB / 1.17 GB Notification: Performance of preOpt evalFunc (simulation): time 0.005464/1.099, allocations: 4.238 MB / 1.49 GB, free: 15.55 MB / 1.186 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001267/1.101, allocations: 0.7231 MB / 1.491 GB, free: 14.8 MB / 1.186 GB Notification: Performance of pre-optimization done (n=123): time 2.394e-06/1.101, allocations: 4 kB / 1.491 GB, free: 14.8 MB / 1.186 GB Notification: Performance of matching and sorting (n=123): time 0.004805/1.106, allocations: 2.179 MB / 1.493 GB, free: 12.59 MB / 1.186 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.275e-05/1.106, allocations: 119.8 kB / 1.493 GB, free: 12.45 MB / 1.186 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004345/1.11, allocations: 3.521 MB / 1.496 GB, free: 8.898 MB / 1.186 GB Notification: Performance of collectPreVariables (initialization): time 0.000106/1.11, allocations: 65.69 kB / 1.496 GB, free: 8.828 MB / 1.186 GB Notification: Performance of collectInitialEqns (initialization): time 0.001527/1.112, allocations: 1.778 MB / 1.498 GB, free: 7.039 MB / 1.186 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003978/1.112, allocations: 472 kB / 1.499 GB, free: 6.574 MB / 1.186 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006108/1.113, allocations: 467.8 kB / 1.499 GB, free: 6.109 MB / 1.186 GB Notification: Performance of setup shared object (initialization): time 0.000117/1.113, allocations: 305.1 kB / 1.499 GB, free: 5.809 MB / 1.186 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001256/1.114, allocations: 0.763 MB / 1.5 GB, free: 5.043 MB / 1.186 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001789/1.116, allocations: 1.382 MB / 1.501 GB, free: 3.402 MB / 1.186 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002858/1.119, allocations: 2.03 MB / 1.503 GB, free: 1.168 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.897e-06/1.119, allocations: 4 kB / 1.503 GB, free: 1.164 MB / 1.186 GB Notification: Performance of matching and sorting (n=287) (initialization): time 0.00438/1.123, allocations: 2.612 MB / 1.506 GB, free: 14.54 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 2.411e-05/1.123, allocations: 14.19 kB / 1.506 GB, free: 14.53 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.958e-05/1.123, allocations: 12 kB / 1.506 GB, free: 14.52 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004577/1.124, allocations: 124.7 kB / 1.506 GB, free: 14.39 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001446/1.125, allocations: 459.3 kB / 1.507 GB, free: 13.95 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005503/1.126, allocations: 0.6538 MB / 1.507 GB, free: 13.27 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001724/1.127, allocations: 266.3 kB / 1.507 GB, free: 13 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001494/1.128, allocations: 87.98 kB / 1.508 GB, free: 12.92 MB / 1.201 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002312/1.13, allocations: 1.445 MB / 1.509 GB, free: 11.46 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001718/1.132, allocations: 1.373 MB / 1.51 GB, free: 9.828 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002733/1.134, allocations: 1.982 MB / 1.512 GB, free: 7.641 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.845e-06/1.134, allocations: 4 kB / 1.512 GB, free: 7.637 MB / 1.201 GB Notification: Performance of matching and sorting (n=287) (initialization_lambda0): time 0.004095/1.138, allocations: 2.537 MB / 1.515 GB, free: 5.086 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 1.636e-05/1.138, allocations: 15.94 kB / 1.515 GB, free: 5.07 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.933e-05/1.139, allocations: 16 kB / 1.515 GB, free: 5.055 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001637/1.139, allocations: 64.83 kB / 1.515 GB, free: 4.988 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001423/1.14, allocations: 455.3 kB / 1.515 GB, free: 4.543 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001498/1.142, allocations: 1.749 MB / 1.517 GB, free: 2.656 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00178/1.143, allocations: 214.8 kB / 1.517 GB, free: 2.445 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001561/1.144, allocations: 104 kB / 1.517 GB, free: 2.344 MB / 1.201 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 67 * Number of states: 0 () * Number of discrete variables: 7 ($PRE.QHea.nextTimeEvent,$whenCondition1,heaETS.con.con1.y,heaETS.int.local_reset,QHea.nextTimeEventScaled,$PRE.QHea.nextTimeEventScaled,QHea.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (247): * Single equations (assignments): 244 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 1 * 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 {(1,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0004064/1.144, allocations: 301.5 kB / 1.518 GB, free: 2.043 MB / 1.201 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005447/1.145, allocations: 385.6 kB / 1.518 GB, free: 1.664 MB / 1.201 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003457/1.148, allocations: 1.865 MB / 1.52 GB, free: 15.79 MB / 1.217 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.095e-05/1.148, allocations: 12 kB / 1.52 GB, free: 15.77 MB / 1.217 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.935e-06/1.148, allocations: 8 kB / 1.52 GB, free: 15.77 MB / 1.217 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002189/1.15, allocations: 1.245 MB / 1.521 GB, free: 14.51 MB / 1.217 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0074/1.158, allocations: 4.767 MB / 1.526 GB, free: 9.629 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.26e-06/1.158, allocations: 0 / 1.526 GB, free: 9.629 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009821/1.159, allocations: 247.8 kB / 1.526 GB, free: 9.387 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002411/1.159, allocations: 80.75 kB / 1.526 GB, free: 9.305 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.043e-05/1.159, allocations: 43.97 kB / 1.526 GB, free: 9.262 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004754/1.16, allocations: 0.6188 MB / 1.527 GB, free: 8.617 MB / 1.217 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.11e-06/1.16, allocations: 7.938 kB / 1.527 GB, free: 8.609 MB / 1.217 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00477/1.164, allocations: 2.74 MB / 1.529 GB, free: 5.824 MB / 1.217 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00102/1.165, allocations: 0.6504 MB / 1.53 GB, free: 5.152 MB / 1.217 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003521/1.166, allocations: 32 kB / 1.53 GB, free: 5.121 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001196/1.167, allocations: 71.86 kB / 1.53 GB, free: 5.051 MB / 1.217 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001588/1.167, allocations: 89.14 kB / 1.53 GB, free: 4.965 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001151/1.167, allocations: 63.95 kB / 1.53 GB, free: 4.902 MB / 1.217 GB Notification: Performance of sorting global known variables: time 0.003287/1.17, allocations: 2.345 MB / 1.532 GB, free: 2.551 MB / 1.217 GB Notification: Performance of sort global known variables: time 2.7e-07/1.171, allocations: 0 / 1.532 GB, free: 2.551 MB / 1.217 GB Notification: Performance of remove unused functions: time 0.00411/1.175, allocations: 1.875 MB / 1.534 GB, free: 0.6719 MB / 1.217 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 14 (heaETS.senTDisSup.T,heaETS.jun.vol.dynBal.U,heaETS.senTDisRet.T,heaETS.spl.vol.dynBal.U,heaETS.conVal.filter.s[1],heaETS.conVal.filter.s[2],heaETS.senTBuiRet.T,heaETS.int.y,heaETS.con.I.y,heaETS.senTBuiSup.T,pum.vol.dynBal.U,pum.filter.s[1],pum.filter.s[2],loa.vol.dynBal.U) * Number of discrete variables: 3 ($whenCondition1,QHea.nextTimeEvent,QHea.nextTimeEventScaled) * Number of discrete states: 2 (QHea.nextTimeEvent,QHea.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (131): * Single equations (assignments): 118 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 2 * 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 {(1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.007534/1.182, allocations: 4.378 MB / 1.539 GB, free: 12.41 MB / 1.232 GB Notification: Performance of simCode: created initialization part: time 0.005316/1.188, allocations: 3.015 MB / 1.541 GB, free: 9.395 MB / 1.232 GB Notification: Performance of simCode: created event and clocks part: time 7.313e-06/1.188, allocations: 4.812 kB / 1.541 GB, free: 9.391 MB / 1.232 GB Notification: Performance of simCode: created simulation system equations: time 0.001294/1.189, allocations: 0.6947 MB / 1.542 GB, free: 8.699 MB / 1.232 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00758/1.196, allocations: 1.855 MB / 1.544 GB, free: 6.895 MB / 1.232 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03652/1.233, allocations: 23.83 MB / 1.567 GB, free: 14.4 MB / 1.264 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001869/1.235, allocations: 2.192 MB / 1.569 GB, free: 12.18 MB / 1.264 GB Notification: Performance of simCode: alias equations: time 0.002806/1.238, allocations: 0.8559 MB / 1.57 GB, free: 11.32 MB / 1.264 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002057/1.24, allocations: 1.643 MB / 1.572 GB, free: 9.676 MB / 1.264 GB Notification: Performance of SimCode: time 2.425e-06/1.24, allocations: 0 / 1.572 GB, free: 9.676 MB / 1.264 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 8.103/9.343, allocations: 99.85 MB / 1.669 GB, free: 6.723 MB / 1.357 GB Notification: Performance of buildModelFMU: Generate platform static: time 28.67/38.01, allocations: 11.2 kB / 1.669 GB, free: 6.715 MB / 1.357 GB (rm -f Buildings_11_Buildings.DHC.ETS.Heating.Examples.Direct.pipe ; mkfifo Buildings_11_Buildings.DHC.ETS.Heating.Examples.Direct.pipe ; head -c 1048576 < Buildings_11_Buildings.DHC.ETS.Heating.Examples.Direct.pipe >> ../files/Buildings_11_Buildings.DHC.ETS.Heating.Examples.Direct.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_11_Buildings.DHC.ETS.Heating.Examples.Direct_res.mat --tempDir=temp_Buildings_11_Buildings_DHC_ETS_Heating_Examples_Direct_fmu --startTime=0 --stopTime=86400 --timeout=400 --tolerance=1e-06 Buildings_11_Buildings_DHC_ETS_Heating_Examples_Direct.fmu > Buildings_11_Buildings.DHC.ETS.Heating.Examples.Direct.pipe 2>&1)