Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Movers.Validation.PowerExact.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/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: translateModel(IBPSA.Fluid.Movers.Validation.PowerExact,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.PowerExact") translateModel(IBPSA.Fluid.Movers.Validation.PowerExact,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.PowerExact") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001595/0.001595, allocations: 108.3 kB / 16.4 MB, free: 6.445 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001766/0.001766, allocations: 193.2 kB / 17.34 MB, free: 5.719 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.497/1.497, allocations: 222.9 MB / 241 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7289/0.7289, allocations: 115.3 MB / 406.5 MB, free: 6.133 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001238/0.001238, allocations: 67.17 kB / 0.5577 GB, free: 32.25 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1593/0.1606, allocations: 76.19 MB / 0.6321 GB, free: 4.43 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Movers.Validation.PowerExact): time 0.07339/0.234, allocations: 75.95 MB / 0.7063 GB, free: 8.207 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.03938/0.2734, allocations: 26.05 MB / 0.7317 GB, free: 14.09 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005628/0.2791, allocations: 111.4 kB / 0.7318 GB, free: 13.98 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.007612/0.2867, allocations: 2.65 MB / 0.7344 GB, free: 11.32 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.01183/0.2986, allocations: 4.256 MB / 0.7386 GB, free: 7.051 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.008015/0.3066, allocations: 3.206 MB / 0.7417 GB, free: 3.859 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.4449/0.7515, allocations: 23.65 MB / 0.7648 GB, free: 12 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006516/0.7581, allocations: 3.229 MB / 0.7679 GB, free: 11.66 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.009384/0.7675, allocations: 3.714 MB / 0.7716 GB, free: 11.57 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006073/0.7736, allocations: 3.103 MB / 0.7746 GB, free: 11.09 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.001826/0.7754, allocations: 460.5 kB / 0.775 GB, free: 11.09 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007665/0.7831, allocations: 2.72 MB / 0.7777 GB, free: 11.09 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.003156/0.7863, allocations: 2.115 MB / 0.7798 GB, free: 10.88 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.008695/0.795, allocations: 3.067 MB / 0.7827 GB, free: 10.02 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.01665/0.8117, allocations: 9.303 MB / 0.7918 GB, free: 8.496 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 5.931e-06/0.8117, allocations: 0 / 0.7918 GB, free: 8.496 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.713e-06/0.8117, allocations: 0 / 0.7918 GB, free: 8.496 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.0003055/0.812, allocations: 0 / 0.7918 GB, free: 8.496 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 450 * Number of variables: 450 Notification: Performance of Generate backend data structure: time 0.02071/0.8328, allocations: 7.278 MB / 0.7989 GB, free: 4.441 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 3.54e-05/0.8328, allocations: 7.062 kB / 0.7989 GB, free: 4.441 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009468/0.8423, allocations: 1.57 MB / 0.8005 GB, free: 3.734 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01873/0.8611, allocations: 9.537 MB / 0.8098 GB, free: 13.07 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002975/0.8614, allocations: 219.9 kB / 0.81 GB, free: 12.85 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006663/0.8621, allocations: 215.9 kB / 0.8102 GB, free: 12.64 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00654/0.8686, allocations: 3.249 MB / 0.8134 GB, free: 9.32 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.513e-05/0.8687, allocations: 4 kB / 0.8134 GB, free: 9.316 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002199/0.8689, allocations: 72 kB / 0.8135 GB, free: 9.246 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.351e-05/0.869, allocations: 55.45 kB / 0.8135 GB, free: 9.195 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00594/0.8749, allocations: 2.48 MB / 0.8159 GB, free: 6.73 MB / 0.5919 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 0.02613/0.9011, allocations: 13.57 MB / 0.8292 GB, free: 8.863 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00557/0.9067, allocations: 1.973 MB / 0.8311 GB, free: 6.895 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002332/0.909, allocations: 1.076 MB / 0.8322 GB, free: 5.82 MB / 0.6075 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 evalFunc (simulation): time 0.01028/0.9193, allocations: 5.593 MB / 0.8376 GB, free: 15.96 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.764e-05/0.9194, allocations: 47.12 kB / 0.8377 GB, free: 15.91 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=89): time 3.467e-06/0.9194, allocations: 0 / 0.8377 GB, free: 15.91 MB / 0.6231 GB Notification: Performance of matching and sorting (n=97): time 0.0329/0.9523, allocations: 8.11 MB / 0.8456 GB, free: 7.734 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.224e-05/0.9524, allocations: 68.41 kB / 0.8457 GB, free: 7.656 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01329/0.9657, allocations: 7.561 MB / 0.853 GB, free: 88 kB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 0.0006075/0.9663, allocations: 57.7 kB / 0.8531 GB, free: 24 kB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.002251/0.9686, allocations: 2.224 MB / 0.8553 GB, free: 13.81 MB / 0.6387 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006452/0.9693, allocations: 358 kB / 0.8556 GB, free: 13.46 MB / 0.6387 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001348/0.9706, allocations: 0.7604 MB / 0.8563 GB, free: 12.7 MB / 0.6387 GB Notification: Performance of setup shared object (initialization): time 0.0001563/0.9708, allocations: 305.1 kB / 0.8566 GB, free: 12.39 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004181/0.975, allocations: 2.763 MB / 0.8593 GB, free: 9.621 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004897/0.9799, allocations: 3.722 MB / 0.863 GB, free: 5.551 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009045/0.9889, allocations: 6.094 MB / 0.8689 GB, free: 15.22 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.602e-05/0.989, allocations: 8 kB / 0.8689 GB, free: 15.21 MB / 0.6544 GB Notification: Performance of matching and sorting (n=427) (initialization): time 0.0195/1.008, allocations: 8.034 MB / 0.8768 GB, free: 7.246 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 5.055e-05/1.009, allocations: 20.78 kB / 0.8768 GB, free: 7.227 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.713e-05/1.009, allocations: 20 kB / 0.8768 GB, free: 7.207 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003042/1.012, allocations: 1.575 MB / 0.8784 GB, free: 5.621 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003664/1.015, allocations: 0.6215 MB / 0.879 GB, free: 5.035 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01158/1.027, allocations: 10.29 MB / 0.889 GB, free: 10.22 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005192/1.032, allocations: 215.8 kB / 0.8892 GB, free: 10.01 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006486/1.033, allocations: 176.5 kB / 0.8894 GB, free: 9.836 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006393/1.039, allocations: 3.496 MB / 0.8928 GB, free: 6.336 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004481/1.044, allocations: 3.251 MB / 0.896 GB, free: 2.73 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.007634/1.051, allocations: 5.16 MB / 0.901 GB, free: 13.33 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.262e-05/1.052, allocations: 8 kB / 0.901 GB, free: 13.32 MB / 0.6856 GB Notification: Performance of matching and sorting (n=427) (initialization_lambda0): time 0.01814/1.07, allocations: 6.955 MB / 0.9078 GB, free: 6.434 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 3.461e-05/1.07, allocations: 23.92 kB / 0.9078 GB, free: 6.41 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.261e-05/1.07, allocations: 20 kB / 0.9079 GB, free: 6.391 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00254/1.072, allocations: 1.218 MB / 0.909 GB, free: 5.156 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00277/1.075, allocations: 0.5925 MB / 0.9096 GB, free: 4.598 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01568/1.091, allocations: 12.82 MB / 0.9221 GB, free: 7.172 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005096/1.096, allocations: 228.4 kB / 0.9224 GB, free: 6.949 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007417/1.097, allocations: 156 kB / 0.9225 GB, free: 6.797 MB / 0.7012 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 98 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (292): * Single equations (assignments): 277 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 3 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 6 * 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): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems 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): 6 systems {(1,2), (1,2), (1,1), (1,2), (1,1), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.001189/1.098, allocations: 331.7 kB / 0.9228 GB, free: 6.5 MB / 0.7012 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001958/1.1, allocations: 477.6 kB / 0.9233 GB, free: 6.027 MB / 0.7012 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01395/1.114, allocations: 3.705 MB / 0.9269 GB, free: 2.348 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.736e-05/1.114, allocations: 15.98 kB / 0.9269 GB, free: 2.332 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.365e-06/1.114, allocations: 4 kB / 0.9269 GB, free: 2.328 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01117/1.125, allocations: 3.237 MB / 0.9301 GB, free: 15.02 MB / 0.7169 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02391/1.149, allocations: 7.086 MB / 0.937 GB, free: 7.906 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.462e-05/1.149, allocations: 0 / 0.937 GB, free: 7.906 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001973/1.151, allocations: 364.7 kB / 0.9373 GB, free: 7.559 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001792/1.153, allocations: 0.8722 MB / 0.9382 GB, free: 6.68 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001819/1.153, allocations: 47.95 kB / 0.9382 GB, free: 6.633 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005583/1.159, allocations: 5.101 MB / 0.9432 GB, free: 1.395 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.098e-06/1.159, allocations: 0 / 0.9432 GB, free: 1.395 MB / 0.7169 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01612/1.175, allocations: 4.994 MB / 0.9481 GB, free: 12.38 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003346/1.178, allocations: 0.8772 MB / 0.949 GB, free: 11.48 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001852/1.18, allocations: 20 kB / 0.949 GB, free: 11.46 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003903/1.184, allocations: 163.8 kB / 0.9491 GB, free: 11.3 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002631/1.184, allocations: 80.89 kB / 0.9492 GB, free: 11.22 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002503/1.185, allocations: 67.94 kB / 0.9493 GB, free: 11.16 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.01069/1.195, allocations: 5.311 MB / 0.9545 GB, free: 5.848 MB / 0.7325 GB Notification: Performance of sort global known variables: time 4.81e-07/1.195, allocations: 4 kB / 0.9545 GB, free: 5.844 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.009205/1.205, allocations: 2.031 MB / 0.9565 GB, free: 3.812 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 3 (pump_y.vol.dynBal.U,pump_dp.vol.dynBal.U,pump_m_flow.vol.dynBal.U) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (110): * Single equations (assignments): 96 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 8 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 3 * 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): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems 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): 3 systems {(1,1), (1,1), (1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00244/1.207, allocations: 0.8888 MB / 0.9573 GB, free: 2.992 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.01908/1.226, allocations: 8.44 MB / 0.9656 GB, free: 10.63 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 8.617e-06/1.226, allocations: 0 / 0.9656 GB, free: 10.63 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.004059/1.23, allocations: 1.308 MB / 0.9668 GB, free: 9.348 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01617/1.246, allocations: 2.786 MB / 0.9696 GB, free: 6.637 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01929/1.266, allocations: 8.59 MB / 0.9779 GB, free: 14.04 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004797/1.271, allocations: 2.953 MB / 0.9808 GB, free: 11.05 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.005954/1.277, allocations: 1.341 MB / 0.9821 GB, free: 9.707 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001552/1.278, allocations: 382.7 kB / 0.9825 GB, free: 9.336 MB / 0.7637 GB Notification: Performance of SimCode: time 9.42e-07/1.278, allocations: 4 kB / 0.9825 GB, free: 9.332 MB / 0.7637 GB Notification: Performance of Templates: time 0.4978/1.776, allocations: 123.5 MB / 1.103 GB, free: 285.5 MB / 0.8106 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.PowerExact.makefile (rm -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.PowerExact.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Movers.Validation.PowerExact.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Movers.Validation.PowerExact.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Movers.Validation.PowerExact.sim & ./IBPSA_latest_IBPSA.Fluid.Movers.Validation.PowerExact -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Movers.Validation.PowerExact.pipe 2>&1)