Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.Chillers.Examples.ElectricEIR.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Buildings.Fluid.Chillers.Examples.ElectricEIR,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.Chillers.Examples.ElectricEIR") translateModel(Buildings.Fluid.Chillers.Examples.ElectricEIR,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.Chillers.Examples.ElectricEIR") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008872/0.008872, allocations: 102.7 kB / 15.73 MB, free: 5.961 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001571/0.001572, allocations: 190 kB / 16.67 MB, free: 5.883 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.602/1.602, allocations: 205.1 MB / 222.6 MB, free: 4.375 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.581/1.581, allocations: 251.7 MB / 0.5094 GB, free: 3.094 MB / 414.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.00178/0.00178, allocations: 73.77 kB / 0.7258 GB, free: 9 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3032/0.305, allocations: 104.7 MB / 0.8281 GB, free: 192 kB / 0.6387 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Examples.ElectricEIR): time 0.06642/0.3714, allocations: 60.46 MB / 0.8871 GB, free: 3.516 MB / 0.7012 GB Notification: Performance of NFInst.instExpressions: time 0.02275/0.3943, allocations: 13.02 MB / 0.8998 GB, free: 6.461 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003933/0.3982, allocations: 67.56 kB / 0.8999 GB, free: 6.395 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.004099/0.4024, allocations: 0.9821 MB / 0.9008 GB, free: 5.406 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.009288/0.4117, allocations: 2.421 MB / 0.9032 GB, free: 2.977 MB / 0.7169 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/Fluid/Chillers/BaseClasses/warnIfPerformanceOutOfBounds.mo:2:1-41:33:writable] Warning: Pure function 'Buildings.Fluid.Chillers.BaseClasses.warnIfPerformanceOutOfBounds' contains a call to impure function 'Modelica.Utilities.Streams.print'. Notification: Performance of NFTyping.typeClassSections: time 0.005104/0.4169, allocations: 1.514 MB / 0.9047 GB, free: 1.473 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.6486/1.066, allocations: 4.274 MB / 0.9089 GB, free: 15.96 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00294/1.069, allocations: 1.323 MB / 0.9102 GB, free: 15.84 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006269/1.075, allocations: 1.61 MB / 0.9117 GB, free: 15.83 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004206/1.079, allocations: 1.184 MB / 0.9129 GB, free: 15.68 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 0.0004706/1.08, allocations: 137.8 kB / 0.913 GB, free: 15.68 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004947/1.084, allocations: 1.445 MB / 0.9144 GB, free: 15.68 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.0006558/1.085, allocations: 409.6 kB / 0.9148 GB, free: 15.61 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.001772/1.087, allocations: 0.8934 MB / 0.9157 GB, free: 15.36 MB / 0.7169 GB Notification: Performance of NFConvertDAE.convert: time 0.007302/1.094, allocations: 2.74 MB / 0.9184 GB, free: 15.08 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 7.834e-06/1.094, allocations: 4.656 kB / 0.9184 GB, free: 15.07 MB / 0.7169 GB Notification: Performance of FrontEnd: time 2.695e-06/1.094, allocations: 0 / 0.9184 GB, free: 15.07 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 4.227e-05/1.094, allocations: 3.188 kB / 0.9184 GB, free: 15.07 MB / 0.7169 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 230 * Number of variables: 230 Notification: Performance of Generate backend data structure: time 0.005564/1.1, allocations: 2.162 MB / 0.9205 GB, free: 13.95 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 6.377e-05/1.1, allocations: 8.938 kB / 0.9205 GB, free: 13.95 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004084/1.104, allocations: 0.5976 MB / 0.9211 GB, free: 13.84 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003293/1.107, allocations: 1.407 MB / 0.9225 GB, free: 13.39 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001693/1.108, allocations: 145.6 kB / 0.9226 GB, free: 13.33 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000173/1.108, allocations: 99.19 kB / 0.9227 GB, free: 13.33 MB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003724/1.111, allocations: 1.299 MB / 0.924 GB, free: 13.18 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.874e-05/1.112, allocations: 8.391 kB / 0.924 GB, free: 13.18 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001205/1.112, allocations: 36.66 kB / 0.924 GB, free: 13.18 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.189e-05/1.112, allocations: 27.58 kB / 0.924 GB, free: 13.18 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004024/1.116, allocations: 1.312 MB / 0.9253 GB, free: 13.14 MB / 0.7169 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 0.01083/1.127, allocations: 5.327 MB / 0.9305 GB, free: 10.68 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005673/1.132, allocations: 1.405 MB / 0.9319 GB, free: 10.42 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001649/1.134, allocations: 0.5959 MB / 0.9325 GB, free: 10.39 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006839/1.135, allocations: 1.233 MB / 0.9337 GB, free: 8.984 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001853/1.137, allocations: 0.6469 MB / 0.9343 GB, free: 8.922 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=69): time 2.745e-06/1.137, allocations: 0 / 0.9343 GB, free: 8.922 MB / 0.7169 GB Notification: Performance of matching and sorting (n=69): time 0.005409/1.142, allocations: 1.673 MB / 0.9359 GB, free: 8.77 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.095e-05/1.142, allocations: 59.88 kB / 0.936 GB, free: 8.707 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001975/1.144, allocations: 1.276 MB / 0.9372 GB, free: 8.543 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0001055/1.144, allocations: 48.45 kB / 0.9373 GB, free: 8.508 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005603/1.145, allocations: 0.6415 MB / 0.9379 GB, free: 8.297 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002486/1.145, allocations: 240.8 kB / 0.9381 GB, free: 8.145 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003381/1.145, allocations: 172.4 kB / 0.9383 GB, free: 8.125 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 8.142e-05/1.145, allocations: 341.4 kB / 0.9386 GB, free: 7.812 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001562/1.147, allocations: 0.5246 MB / 0.9391 GB, free: 7.793 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001692/1.149, allocations: 0.7468 MB / 0.9399 GB, free: 7.566 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00302/1.152, allocations: 1.132 MB / 0.941 GB, free: 7.398 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.148e-06/1.152, allocations: 0 / 0.941 GB, free: 7.398 MB / 0.7169 GB Notification: Performance of matching and sorting (n=96) (initialization): time 0.0039/1.156, allocations: 1.396 MB / 0.9423 GB, free: 7.23 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 4.465e-05/1.156, allocations: 36.14 kB / 0.9424 GB, free: 7.199 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.09e-05/1.156, allocations: 2.062 kB / 0.9424 GB, free: 7.199 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.325e-05/1.156, allocations: 9.719 kB / 0.9424 GB, free: 7.199 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001301/1.157, allocations: 254.3 kB / 0.9426 GB, free: 7.195 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.516e-05/1.157, allocations: 10.12 kB / 0.9426 GB, free: 7.191 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001698/1.159, allocations: 179.4 kB / 0.9428 GB, free: 7.148 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001047/1.159, allocations: 38.67 kB / 0.9428 GB, free: 7.148 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002114/1.161, allocations: 0.7798 MB / 0.9436 GB, free: 7.055 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001715/1.163, allocations: 0.7399 MB / 0.9443 GB, free: 6.832 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002972/1.166, allocations: 1.12 MB / 0.9454 GB, free: 6.664 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.12e-06/1.166, allocations: 0 / 0.9454 GB, free: 6.664 MB / 0.7169 GB Notification: Performance of matching and sorting (n=96) (initialization_lambda0): time 0.003735/1.169, allocations: 1.385 MB / 0.9468 GB, free: 6.5 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 3.068e-05/1.169, allocations: 36.77 kB / 0.9468 GB, free: 6.469 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.696e-06/1.17, allocations: 5.438 kB / 0.9468 GB, free: 6.469 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.029e-05/1.17, allocations: 6.875 kB / 0.9468 GB, free: 6.469 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001176/1.171, allocations: 253.2 kB / 0.9471 GB, free: 6.461 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.184e-05/1.171, allocations: 7.766 kB / 0.9471 GB, free: 6.461 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001591/1.172, allocations: 172 kB / 0.9472 GB, free: 6.43 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.661e-05/1.172, allocations: 42.67 kB / 0.9473 GB, free: 6.426 MB / 0.7169 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 6 (chi.on,pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (95): * Single equations (assignments): 94 * Array equations: 0 * Algorithm blocks: 1 * 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 prepare postOptimizeDAE: time 0.0003214/1.173, allocations: 237.1 kB / 0.9475 GB, free: 6.234 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002442/1.173, allocations: 146.9 kB / 0.9476 GB, free: 6.156 MB / 0.7169 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003798/1.177, allocations: 1.45 MB / 0.9491 GB, free: 6.051 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.006e-05/1.177, allocations: 5.656 kB / 0.9491 GB, free: 6.051 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.662e-06/1.177, allocations: 6.969 kB / 0.9491 GB, free: 6.047 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003002/1.18, allocations: 1.218 MB / 0.9503 GB, free: 5.781 MB / 0.7169 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006011/1.186, allocations: 3.172 MB / 0.9534 GB, free: 4.277 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.895e-06/1.186, allocations: 3.906 kB / 0.9534 GB, free: 4.277 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001088/1.187, allocations: 226.6 kB / 0.9536 GB, free: 4.262 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.919e-06/1.187, allocations: 8.469 kB / 0.9536 GB, free: 4.262 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.162e-05/1.187, allocations: 24.52 kB / 0.9536 GB, free: 4.254 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.658e-06/1.187, allocations: 7.656 kB / 0.9536 GB, free: 4.254 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.532e-06/1.187, allocations: 14.89 kB / 0.9536 GB, free: 4.25 MB / 0.7169 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004995/1.192, allocations: 2.202 MB / 0.9558 GB, free: 3.32 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008039/1.193, allocations: 340.6 kB / 0.9561 GB, free: 3.078 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002464/1.193, allocations: 23.16 kB / 0.9561 GB, free: 3.066 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001299/1.194, allocations: 124.5 kB / 0.9562 GB, free: 3.047 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001612/1.195, allocations: 76.88 kB / 0.9563 GB, free: 3.027 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.46e-05/1.195, allocations: 35.88 kB / 0.9563 GB, free: 3.023 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.001324/1.196, allocations: 0.9202 MB / 0.9572 GB, free: 2.66 MB / 0.7169 GB Notification: Performance of sort global known variables: time 1.6e-07/1.196, allocations: 0 / 0.9572 GB, free: 2.66 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.002257/1.198, allocations: 0.7861 MB / 0.958 GB, free: 2.5 MB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 19 * Number of states: 2 (chi.vol1.dynBal.U,chi.vol2.dynBal.U) * Number of discrete variables: 4 ($whenCondition1,pulse.T_start,pulse.count,chi.on) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (73): * Single equations (assignments): 65 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 2 * 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 0.001065/1.199, allocations: 0.5165 MB / 0.9585 GB, free: 2.297 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.00497/1.204, allocations: 1.99 MB / 0.9605 GB, free: 1.711 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 6.222e-06/1.204, allocations: 4.75 kB / 0.9605 GB, free: 1.707 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.001751/1.206, allocations: 0.6748 MB / 0.9611 GB, free: 1.48 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00357/1.21, allocations: 0.7686 MB / 0.9619 GB, free: 1.082 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004401/1.214, allocations: 2.637 MB / 0.9645 GB, free: 15.48 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008152/1.215, allocations: 1.231 MB / 0.9657 GB, free: 14.54 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.001695/1.217, allocations: 368.5 kB / 0.966 GB, free: 14.36 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000413/1.217, allocations: 122.6 kB / 0.9661 GB, free: 14.33 MB / 0.7325 GB Notification: Performance of SimCode: time 8.01e-07/1.217, allocations: 0 / 0.9661 GB, free: 14.33 MB / 0.7325 GB Notification: Performance of Templates: time 0.05678/1.274, allocations: 31.59 MB / 0.997 GB, free: 0.6445 MB / 0.7481 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Fluid.Chillers.Examples.ElectricEIR.makefile (rm -f Buildings_maint.7.0.x_Buildings.Fluid.Chillers.Examples.ElectricEIR.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.Chillers.Examples.ElectricEIR.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.Chillers.Examples.ElectricEIR.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.Chillers.Examples.ElectricEIR.sim & ./Buildings_maint.7.0.x_Buildings.Fluid.Chillers.Examples.ElectricEIR -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Fluid.Chillers.Examples.ElectricEIR.pipe 2>&1)