Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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) Running command: translateModel(BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries") translateModel(BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008969/0.008969, allocations: 101.3 kB / 15.88 MB, free: 6.305 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0027/0.0027, allocations: 194.6 kB / 16.79 MB, free: 6.234 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.41/1.41, allocations: 222.9 MB / 240.5 MB, free: 4.598 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 1.123/1.123, allocations: 143 MB / 433.7 MB, free: 11.63 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001242/0.001243, allocations: 59.91 kB / 0.5141 GB, free: 12.16 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1999/0.2011, allocations: 82.04 MB / 0.5943 GB, free: 10.08 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries): time 0.5333/0.7345, allocations: 159.3 MB / 0.7498 GB, free: 13.49 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.003107/0.7377, allocations: 1.732 MB / 0.7515 GB, free: 12.11 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003421/0.738, allocations: 10.22 kB / 0.7515 GB, free: 12.11 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.0006095/0.7387, allocations: 134 kB / 0.7516 GB, free: 12 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.001357/0.7401, allocations: 489.9 kB / 0.7521 GB, free: 11.64 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.001097/0.7412, allocations: 385.5 kB / 0.7525 GB, free: 11.39 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.003121/0.7443, allocations: 3.412 MB / 0.7558 GB, free: 8.383 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0009979/0.7453, allocations: 0.7423 MB / 0.7565 GB, free: 7.637 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001416/0.7467, allocations: 0.8168 MB / 0.7573 GB, free: 6.816 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008357/0.7476, allocations: 0.735 MB / 0.7581 GB, free: 6.078 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 8.839e-05/0.7477, allocations: 40 kB / 0.7581 GB, free: 6.039 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00144/0.7491, allocations: 0.8068 MB / 0.7589 GB, free: 5.23 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0003079/0.7495, allocations: 286.9 kB / 0.7592 GB, free: 4.949 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.0005489/0.75, allocations: 0.5128 MB / 0.7597 GB, free: 4.434 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.001105/0.7511, allocations: 1.06 MB / 0.7607 GB, free: 3.371 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 4.819e-06/0.7511, allocations: 0 / 0.7607 GB, free: 3.371 MB / 0.5762 GB Notification: Performance of FrontEnd: time 8.12e-07/0.7512, allocations: 0 / 0.7607 GB, free: 3.371 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 1.772e-05/0.7512, allocations: 0 / 0.7607 GB, free: 3.371 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: 122 * Number of variables: 122 Notification: Performance of Generate backend data structure: time 0.002142/0.7533, allocations: 1.408 MB / 0.7621 GB, free: 1.914 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.378e-05/0.7534, allocations: 8.031 kB / 0.7621 GB, free: 1.906 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007408/0.7541, allocations: 190.5 kB / 0.7623 GB, free: 1.719 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001124/0.7553, allocations: 0.7943 MB / 0.763 GB, free: 0.8789 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.724e-05/0.7553, allocations: 41 kB / 0.7631 GB, free: 0.8359 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.525e-05/0.7554, allocations: 56 kB / 0.7631 GB, free: 0.7812 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001083/0.7565, allocations: 0.6862 MB / 0.7638 GB, free: 84 kB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.539e-05/0.7565, allocations: 0 / 0.7638 GB, free: 84 kB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.176e-05/0.7566, allocations: 20 kB / 0.7638 GB, free: 64 kB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.461e-05/0.7566, allocations: 12 kB / 0.7638 GB, free: 52 kB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008765/0.7575, allocations: 0.519 MB / 0.7643 GB, free: 15.53 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 0.003414/0.7609, allocations: 3.249 MB / 0.7675 GB, free: 11.91 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006551/0.7616, allocations: 384.8 kB / 0.7679 GB, free: 11.53 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003486/0.7619, allocations: 244.8 kB / 0.7681 GB, free: 11.29 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003276/0.7622, allocations: 198.2 kB / 0.7683 GB, free: 11.05 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.367e-05/0.7623, allocations: 34.56 kB / 0.7683 GB, free: 11.01 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=28): time 1.643e-06/0.7623, allocations: 0 / 0.7683 GB, free: 11.01 MB / 0.5919 GB Notification: Performance of matching and sorting (n=28): time 0.004963/0.7673, allocations: 1.499 MB / 0.7698 GB, free: 9.5 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.548e-05/0.7673, allocations: 55.41 kB / 0.7698 GB, free: 9.434 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001289/0.7686, allocations: 1.073 MB / 0.7709 GB, free: 8.34 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 4.128e-05/0.7687, allocations: 33.7 kB / 0.7709 GB, free: 8.301 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.000361/0.769, allocations: 436.5 kB / 0.7713 GB, free: 7.871 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 8.632e-05/0.7691, allocations: 98.5 kB / 0.7714 GB, free: 7.773 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000133/0.7693, allocations: 69.7 kB / 0.7715 GB, free: 7.699 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001209/0.7694, allocations: 321.9 kB / 0.7718 GB, free: 7.379 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002924/0.7697, allocations: 164.7 kB / 0.772 GB, free: 7.215 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004447/0.7701, allocations: 357.3 kB / 0.7723 GB, free: 6.793 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006094/0.7708, allocations: 383.1 kB / 0.7727 GB, free: 6.406 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.579e-06/0.7708, allocations: 0 / 0.7727 GB, free: 6.406 MB / 0.5919 GB Notification: Performance of matching and sorting (n=28) (initialization): time 0.002026/0.7728, allocations: 0.8173 MB / 0.7735 GB, free: 5.582 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 1.924e-05/0.7728, allocations: 4 kB / 0.7735 GB, free: 5.578 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.773e-06/0.7728, allocations: 0 / 0.7735 GB, free: 5.578 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001505/0.7744, allocations: 368.3 kB / 0.7738 GB, free: 5.215 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001381/0.7745, allocations: 19.94 kB / 0.7738 GB, free: 5.195 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001086/0.7756, allocations: 1.001 MB / 0.7748 GB, free: 4.168 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006112/0.7762, allocations: 79.67 kB / 0.7749 GB, free: 4.09 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.118e-05/0.7763, allocations: 16 kB / 0.7749 GB, free: 4.074 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000613/0.7769, allocations: 447.8 kB / 0.7753 GB, free: 3.633 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003995/0.7773, allocations: 321.8 kB / 0.7756 GB, free: 3.246 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004918/0.7778, allocations: 310.4 kB / 0.7759 GB, free: 2.934 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.15e-06/0.7778, allocations: 4 kB / 0.7759 GB, free: 2.93 MB / 0.5919 GB Notification: Performance of matching and sorting (n=28) (initialization_lambda0): time 0.001194/0.779, allocations: 0.5967 MB / 0.7765 GB, free: 2.324 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 1.148e-05/0.779, allocations: 8 kB / 0.7765 GB, free: 2.316 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.737e-06/0.779, allocations: 0.5625 kB / 0.7765 GB, free: 2.316 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005388/0.7796, allocations: 211 kB / 0.7767 GB, free: 2.109 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 9.696e-05/0.7797, allocations: 15.98 kB / 0.7768 GB, free: 2.094 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003679/0.7834, allocations: 3.025 MB / 0.7797 GB, free: 14.93 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005778/0.784, allocations: 68.22 kB / 0.7798 GB, free: 14.86 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.152e-05/0.784, allocations: 12.56 kB / 0.7798 GB, free: 14.85 MB / 0.6075 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * 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 (9): * Single equations (assignments): 8 * Array equations: 0 * Algorithm blocks: 0 * 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 {(1,19)} Notification: Performance of prepare postOptimizeDAE: time 0.0001591/0.7842, allocations: 200.2 kB / 0.78 GB, free: 14.65 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001463/0.7843, allocations: 94.81 kB / 0.7801 GB, free: 14.55 MB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001262/0.7856, allocations: 0.7083 MB / 0.7808 GB, free: 13.84 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.041e-06/0.7856, allocations: 4 kB / 0.7808 GB, free: 13.83 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.495e-06/0.7856, allocations: 0 / 0.7808 GB, free: 13.83 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.222e-06/0.7856, allocations: 3.984 kB / 0.7808 GB, free: 13.83 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002408/0.7881, allocations: 1.51 MB / 0.7822 GB, free: 12.24 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.36e-06/0.7881, allocations: 4 kB / 0.7822 GB, free: 12.23 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001024/0.7882, allocations: 23.92 kB / 0.7823 GB, free: 12.21 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004701/0.7887, allocations: 233.2 kB / 0.7825 GB, free: 11.98 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.39e-05/0.7887, allocations: 8 kB / 0.7825 GB, free: 11.97 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009154/0.7896, allocations: 0.9828 MB / 0.7835 GB, free: 10.96 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.568e-06/0.7896, allocations: 1.75 kB / 0.7835 GB, free: 10.96 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001153/0.7908, allocations: 0.7962 MB / 0.7842 GB, free: 10.13 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003567/0.7912, allocations: 207.9 kB / 0.7844 GB, free: 9.906 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001274/0.7913, allocations: 11.94 kB / 0.7844 GB, free: 9.895 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004904/0.7918, allocations: 59.72 kB / 0.7845 GB, free: 9.836 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.992e-05/0.7919, allocations: 27.92 kB / 0.7845 GB, free: 9.809 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.448e-05/0.7919, allocations: 11.98 kB / 0.7845 GB, free: 9.797 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.001031/0.7929, allocations: 0.7708 MB / 0.7853 GB, free: 9.016 MB / 0.6075 GB Notification: Performance of sort global known variables: time 1.8e-07/0.793, allocations: 3.938 kB / 0.7853 GB, free: 9.012 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.001138/0.7941, allocations: 399.4 kB / 0.7857 GB, free: 8.621 MB / 0.6075 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * 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 simulation (9): * Single equations (assignments): 8 * Array equations: 0 * Algorithm blocks: 0 * 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 {(1,19)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0004672/0.7946, allocations: 166.1 kB / 0.7858 GB, free: 8.457 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.001529/0.7961, allocations: 0.7573 MB / 0.7866 GB, free: 7.688 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 4.258e-06/0.7961, allocations: 0 / 0.7866 GB, free: 7.688 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.0004268/0.7966, allocations: 214.5 kB / 0.7868 GB, free: 7.48 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002142/0.7987, allocations: 490.5 kB / 0.7872 GB, free: 7.016 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002944/0.8017, allocations: 2.04 MB / 0.7892 GB, free: 4.918 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009218/0.8026, allocations: 1.181 MB / 0.7904 GB, free: 3.711 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001358/0.8028, allocations: 51.44 kB / 0.7904 GB, free: 3.664 MB / 0.6075 GB Notification: Performance of SimCode: time 5.11e-07/0.8028, allocations: 0 / 0.7904 GB, free: 3.664 MB / 0.6075 GB Notification: Performance of Templates: time 0.02862/0.8314, allocations: 19.98 MB / 0.8099 GB, free: 15.82 MB / 0.6387 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe 2>&1)