Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u.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.Humidifiers.Examples.Humidifier_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u") translateModel(BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001208/0.001208, allocations: 99.42 kB / 16.02 MB, free: 72 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001763/0.001763, allocations: 182 kB / 16.92 MB, free: 6.918 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.408/1.408, allocations: 223.3 MB / 241 MB, free: 5.348 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 0.9832/0.9832, allocations: 143.2 MB / 435.3 MB, free: 13.62 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003341/0.0003343, allocations: 11.98 kB / 0.517 GB, free: 11.13 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1653/0.1657, allocations: 83.41 MB / 0.5985 GB, free: 7.688 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u): time 0.5335/0.6992, allocations: 250.4 MB / 0.843 GB, free: 1.602 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.0165/0.7158, allocations: 9.638 MB / 0.8524 GB, free: 7.941 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002597/0.7184, allocations: 67.56 kB / 0.8525 GB, free: 7.875 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.002498/0.721, allocations: 0.8043 MB / 0.8533 GB, free: 7.066 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.007021/0.728, allocations: 2.486 MB / 0.8557 GB, free: 4.57 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.005549/0.7336, allocations: 1.936 MB / 0.8576 GB, free: 2.652 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.4281/1.162, allocations: 5.46 MB / 0.8629 GB, free: 34.75 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002317/1.164, allocations: 1.399 MB / 0.8643 GB, free: 34.6 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004195/1.168, allocations: 1.687 MB / 0.8659 GB, free: 34.6 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003417/1.172, allocations: 1.271 MB / 0.8672 GB, free: 34.59 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0004028/1.172, allocations: 62.84 kB / 0.8672 GB, free: 34.59 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006233/1.178, allocations: 3.486 MB / 0.8707 GB, free: 34.59 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.000772/1.179, allocations: 485.3 kB / 0.8711 GB, free: 34.59 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.001486/1.181, allocations: 0.9133 MB / 0.872 GB, free: 34.55 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.003875/1.185, allocations: 2.816 MB / 0.8748 GB, free: 34.47 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.871e-06/1.185, allocations: 1.812 kB / 0.8748 GB, free: 34.47 MB / 0.67 GB Notification: Performance of FrontEnd: time 2.114e-06/1.185, allocations: 0 / 0.8748 GB, free: 34.47 MB / 0.67 GB Notification: Performance of Transformations before backend: time 4.953e-05/1.185, allocations: 0 / 0.8748 GB, free: 34.47 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 300 * Number of variables: 300 Notification: Performance of Generate backend data structure: time 0.00372/1.188, allocations: 2.129 MB / 0.8768 GB, free: 33.25 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 3.814e-05/1.188, allocations: 12.72 kB / 0.8769 GB, free: 33.24 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003938/1.192, allocations: 0.6556 MB / 0.8775 GB, free: 33.12 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00258/1.195, allocations: 1.378 MB / 0.8788 GB, free: 32.67 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003822/1.195, allocations: 167.7 kB / 0.879 GB, free: 32.66 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002301/1.196, allocations: 124.7 kB / 0.8791 GB, free: 32.66 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002677/1.198, allocations: 1.453 MB / 0.8805 GB, free: 32.47 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.334e-05/1.198, allocations: 2.438 kB / 0.8805 GB, free: 32.47 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001139/1.198, allocations: 53.67 kB / 0.8806 GB, free: 32.47 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.201e-05/1.199, allocations: 44.7 kB / 0.8806 GB, free: 32.46 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002645/1.201, allocations: 1.234 MB / 0.8818 GB, free: 32.43 MB / 0.67 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 0.00874/1.21, allocations: 5.779 MB / 0.8875 GB, free: 30.02 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00199/1.212, allocations: 1.045 MB / 0.8885 GB, free: 29.79 MB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00112/1.213, allocations: 0.5427 MB / 0.889 GB, free: 29.77 MB / 0.67 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000625/1.214, allocations: 333 kB / 0.8893 GB, free: 29.49 MB / 0.67 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001215/1.215, allocations: 0.5848 MB / 0.8899 GB, free: 29.39 MB / 0.67 GB Notification: Performance of pre-optimization done (n=85): time 4.979e-06/1.215, allocations: 0 / 0.8899 GB, free: 29.39 MB / 0.67 GB Notification: Performance of matching and sorting (n=87): time 0.008134/1.223, allocations: 3.255 MB / 0.8931 GB, free: 28.56 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.386e-05/1.223, allocations: 94.09 kB / 0.8932 GB, free: 28.47 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001993/1.225, allocations: 1.311 MB / 0.8945 GB, free: 28.3 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 0.0001244/1.225, allocations: 43.11 kB / 0.8945 GB, free: 28.27 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005783/1.226, allocations: 0.7355 MB / 0.8952 GB, free: 28.02 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002751/1.226, allocations: 300.4 kB / 0.8955 GB, free: 27.83 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001297/1.226, allocations: 86.06 kB / 0.8956 GB, free: 27.82 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 7.135e-05/1.226, allocations: 343.1 kB / 0.8959 GB, free: 27.51 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000981/1.227, allocations: 442.6 kB / 0.8963 GB, free: 27.5 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001049/1.228, allocations: 0.6708 MB / 0.897 GB, free: 27.27 MB / 0.67 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: humDyn.vol.dynBal.medium.p = humDyn.vol.dynBal.p_start (sin.p = humDyn.vol.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.01471/1.243, allocations: 4.002 MB / 0.9009 GB, free: 26.73 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.793e-06/1.243, allocations: 1.219 kB / 0.9009 GB, free: 26.73 MB / 0.67 GB Notification: Performance of matching and sorting (n=123) (initialization): time 0.003129/1.246, allocations: 1.397 MB / 0.9023 GB, free: 26.56 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 0.000113/1.246, allocations: 254.5 kB / 0.9025 GB, free: 26.27 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.159e-05/1.247, allocations: 13.09 kB / 0.9025 GB, free: 26.27 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003685/1.247, allocations: 78.88 kB / 0.9026 GB, free: 26.26 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009799/1.248, allocations: 221.9 kB / 0.9028 GB, free: 26.25 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003533/1.248, allocations: 0.593 MB / 0.9034 GB, free: 25.73 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001678/1.25, allocations: 147.5 kB / 0.9035 GB, free: 25.71 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.145e-05/1.25, allocations: 39.84 kB / 0.9036 GB, free: 25.71 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 9.759e-06/1.25, allocations: 7.031 kB / 0.9036 GB, free: 25.71 MB / 0.67 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002488/1.253, allocations: 1.234 MB / 0.9048 GB, free: 25.63 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.015e-05/1.253, allocations: 4.344 kB / 0.9048 GB, free: 25.63 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001417/1.253, allocations: 50.16 kB / 0.9048 GB, free: 25.62 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008743/1.254, allocations: 219.6 kB / 0.905 GB, free: 25.62 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001084/1.255, allocations: 1.612 MB / 0.9066 GB, free: 24.21 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001699/1.256, allocations: 155.5 kB / 0.9068 GB, free: 24.19 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.734e-05/1.256, allocations: 39.8 kB / 0.9068 GB, free: 24.19 MB / 0.67 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization sytem: humDyn.vol.dynBal.medium.p = humDyn.vol.dynBal.p_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 20 * Number of states: 0 () * Number of discrete variables: 9 (TSet.nextEventScaled,TSet.nextEvent,$PRE.TSet.nextEvent,TSet.last,TSet.b,TSet.a,$whenCondition1,con2.I.trigger_internal,con1.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (112): * Single equations (assignments): 108 * Array equations: 2 * Algorithm blocks: 1 * 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 prepare postOptimizeDAE: time 0.0009256/1.257, allocations: 0.4998 MB / 0.9073 GB, free: 23.97 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003107/1.258, allocations: 164.6 kB / 0.9075 GB, free: 23.88 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0026/1.26, allocations: 1.266 MB / 0.9087 GB, free: 23.75 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.225e-05/1.26, allocations: 8.094 kB / 0.9087 GB, free: 23.75 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.466e-06/1.26, allocations: 0 / 0.9087 GB, free: 23.75 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002006/1.262, allocations: 1.148 MB / 0.9098 GB, free: 23.5 MB / 0.67 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 postOpt removeSimpleEquations (simulation): time 0.005231/1.268, allocations: 3.001 MB / 0.9127 GB, free: 22.92 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.845e-06/1.268, allocations: 3.938 kB / 0.9128 GB, free: 22.92 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008744/1.269, allocations: 188 kB / 0.9129 GB, free: 22.91 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001424/1.269, allocations: 56.02 kB / 0.913 GB, free: 22.9 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.325e-05/1.269, allocations: 24.28 kB / 0.913 GB, free: 22.9 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0002798/1.269, allocations: 0.5955 MB / 0.9136 GB, free: 22.38 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.618e-06/1.269, allocations: 4.969 kB / 0.9136 GB, free: 22.38 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003303/1.272, allocations: 1.959 MB / 0.9155 GB, free: 21.93 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007449/1.273, allocations: 337.5 kB / 0.9158 GB, free: 21.75 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002039/1.273, allocations: 25.64 kB / 0.9159 GB, free: 21.75 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001145/1.275, allocations: 117.9 kB / 0.916 GB, free: 21.73 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001081/1.275, allocations: 60.97 kB / 0.916 GB, free: 21.73 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.536e-05/1.275, allocations: 35.44 kB / 0.9161 GB, free: 21.73 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.001165/1.276, allocations: 0.8927 MB / 0.9169 GB, free: 21.62 MB / 0.67 GB Notification: Performance of sort global known variables: time 1.8e-07/1.276, allocations: 4 kB / 0.9169 GB, free: 21.62 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.00198/1.278, allocations: 0.6716 MB / 0.9176 GB, free: 21.61 MB / 0.67 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 17 * Number of states: 6 (senTem1.T,con1.I.y,humDyn.vol.dynBal.medium.Xi[1],humDyn.vol.dynBal.U,senTem2.T,con2.I.y) * Number of discrete variables: 6 ($whenCondition1,TSet.a,TSet.b,TSet.last,TSet.nextEvent,TSet.nextEventScaled) * Number of discrete states: 6 (TSet.nextEvent,TSet.last,TSet.nextEventScaled,TSet.b,TSet.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (78): * Single equations (assignments): 76 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0005991/1.279, allocations: 296.6 kB / 0.9179 GB, free: 21.48 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.003666/1.282, allocations: 1.969 MB / 0.9198 GB, free: 21.19 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 6.903e-06/1.282, allocations: 0 / 0.9198 GB, free: 21.19 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.001045/1.283, allocations: 0.6001 MB / 0.9204 GB, free: 21.12 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004629/1.288, allocations: 0.804 MB / 0.9212 GB, free: 21.05 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007071/1.295, allocations: 4.065 MB / 0.9251 GB, free: 19.02 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006447/1.296, allocations: 1.332 MB / 0.9264 GB, free: 18.12 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004908/1.296, allocations: 119.4 kB / 0.9265 GB, free: 18.11 MB / 0.67 GB Notification: Performance of SimCode: time 8.81e-07/1.296, allocations: 0 / 0.9265 GB, free: 18.11 MB / 0.67 GB Notification: Performance of Templates: time 0.03664/1.333, allocations: 32.1 MB / 0.9579 GB, free: 6.738 MB / 0.6856 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Examples.Humidifier_u.pipe 2>&1)