Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Fluid.CHPs.BaseClasses.Validation.FilterPower.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.CHPs.BaseClasses.Validation.FilterPower,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Fluid_CHPs_BaseClasses_Validation_FilterPower",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.CHPs.BaseClasses.Validation.FilterPower,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Fluid_CHPs_BaseClasses_Validation_FilterPower",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.818/1.818, allocations: 288.4 MB / 303.3 MB, free: 8.137 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001073/0.001073, allocations: 174.5 kB / 372 MB, free: 10.27 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.585/1.585, allocations: 205.4 MB / 0.6307 GB, free: 10.01 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008147/0.000815, allocations: 88.83 kB / 0.744 GB, free: 5.926 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0003655/0.0003656, allocations: 16.16 kB / 0.867 GB, free: 142 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2176/0.218, allocations: 115.3 MB / 0.9796 GB, free: 27.56 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.CHPs.BaseClasses.Validation.FilterPower): time 0.002772/0.2208, allocations: 2.261 MB / 0.9819 GB, free: 25.29 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.001841/0.2226, allocations: 1.473 MB / 0.9833 GB, free: 23.8 MB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000176/0.2228, allocations: 7.938 kB / 0.9833 GB, free: 23.8 MB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.0004876/0.2233, allocations: 215 kB / 0.9835 GB, free: 23.59 MB / 0.6198 GB Notification: Performance of NFTyping.typeBindings: time 0.0002599/0.2236, allocations: 139.3 kB / 0.9836 GB, free: 23.45 MB / 0.6198 GB Notification: Performance of NFTyping.typeClassSections: time 0.0003535/0.224, allocations: 153.4 kB / 0.9838 GB, free: 23.3 MB / 0.6198 GB Notification: Performance of NFFlatten.flatten: time 0.0003187/0.2243, allocations: 410.7 kB / 0.9842 GB, free: 22.9 MB / 0.6198 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001936/0.2245, allocations: 118.2 kB / 0.9843 GB, free: 22.78 MB / 0.6198 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001381/0.2246, allocations: 143.2 kB / 0.9844 GB, free: 22.64 MB / 0.6198 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001518/0.2248, allocations: 159.2 kB / 0.9846 GB, free: 22.48 MB / 0.6198 GB Notification: Performance of NFPackage.collectConstants: time 3.619e-05/0.2248, allocations: 12 kB / 0.9846 GB, free: 22.47 MB / 0.6198 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001151/0.225, allocations: 43.98 kB / 0.9846 GB, free: 22.43 MB / 0.6198 GB Notification: Performance of NFScalarize.scalarize: time 8.927e-05/0.2251, allocations: 119.5 kB / 0.9847 GB, free: 22.31 MB / 0.6198 GB Notification: Performance of NFVerifyModel.verify: time 6.55e-05/0.2251, allocations: 117.4 kB / 0.9849 GB, free: 22.19 MB / 0.6198 GB Notification: Performance of NFConvertDAE.convert: time 0.0003509/0.2255, allocations: 0.4988 MB / 0.9853 GB, free: 21.69 MB / 0.6198 GB Notification: Performance of FrontEnd - DAE generated: time 3.938e-06/0.2255, allocations: 3.938 kB / 0.9853 GB, free: 21.68 MB / 0.6198 GB Notification: Performance of FrontEnd: time 1.633e-06/0.2255, allocations: 0 / 0.9853 GB, free: 21.68 MB / 0.6198 GB Notification: Performance of Transformations before backend: time 6.953e-06/0.2255, allocations: 0 / 0.9853 GB, free: 21.68 MB / 0.6198 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 45 * Number of variables: 45 Notification: Performance of Generate backend data structure: time 0.001055/0.2266, allocations: 0.8249 MB / 0.9862 GB, free: 20.8 MB / 0.6198 GB Notification: Performance of prepare preOptimizeDAE: time 3.818e-05/0.2266, allocations: 12.02 kB / 0.9862 GB, free: 20.79 MB / 0.6198 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.199e-05/0.2267, allocations: 58.53 kB / 0.9862 GB, free: 20.73 MB / 0.6198 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.848e-05/0.2268, allocations: 71.11 kB / 0.9863 GB, free: 20.66 MB / 0.6198 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004715/0.2273, allocations: 464 kB / 0.9867 GB, free: 20.16 MB / 0.6198 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.239e-05/0.2273, allocations: 12.38 kB / 0.9867 GB, free: 20.15 MB / 0.6198 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.728e-05/0.2273, allocations: 23.94 kB / 0.9868 GB, free: 20.13 MB / 0.6198 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003994/0.2277, allocations: 224.3 kB / 0.987 GB, free: 19.9 MB / 0.6198 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.648e-06/0.2278, allocations: 0 / 0.987 GB, free: 19.9 MB / 0.6198 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.278e-05/0.2278, allocations: 16 kB / 0.987 GB, free: 19.89 MB / 0.6198 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.752e-06/0.2278, allocations: 4 kB / 0.987 GB, free: 19.88 MB / 0.6198 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000335/0.2281, allocations: 175.2 kB / 0.9872 GB, free: 19.71 MB / 0.6198 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001153/0.2293, allocations: 0.9242 MB / 0.9881 GB, free: 18.73 MB / 0.6198 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006012/0.2299, allocations: 262.6 kB / 0.9883 GB, free: 18.46 MB / 0.6198 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001802/0.2301, allocations: 92.81 kB / 0.9884 GB, free: 18.37 MB / 0.6198 GB Notification: Performance of preOpt evalFunc (simulation): time 2.871e-05/0.2302, allocations: 3.984 kB / 0.9884 GB, free: 18.37 MB / 0.6198 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002926/0.2305, allocations: 174.8 kB / 0.9886 GB, free: 18.18 MB / 0.6198 GB Notification: Performance of pre-optimization done (n=15): time 1.413e-06/0.2305, allocations: 0 / 0.9886 GB, free: 18.18 MB / 0.6198 GB Notification: Performance of matching and sorting (n=15): time 0.000654/0.2311, allocations: 341.9 kB / 0.9889 GB, free: 17.84 MB / 0.6198 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.71e-05/0.2312, allocations: 81.11 kB / 0.989 GB, free: 17.74 MB / 0.6198 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005762/0.2318, allocations: 0.7151 MB / 0.9897 GB, free: 17.02 MB / 0.6198 GB Notification: Performance of collectPreVariables (initialization): time 2.662e-05/0.2318, allocations: 33.7 kB / 0.9897 GB, free: 16.98 MB / 0.6198 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001664/0.232, allocations: 288.3 kB / 0.99 GB, free: 16.69 MB / 0.6198 GB Notification: Performance of collectInitialBindings (initialization): time 3.828e-05/0.232, allocations: 47.44 kB / 0.99 GB, free: 16.64 MB / 0.6198 GB Notification: Performance of simplifyInitialFunctions (initialization): time 1.335e-05/0.232, allocations: 4 kB / 0.99 GB, free: 16.64 MB / 0.6198 GB Notification: Performance of setup shared object (initialization): time 9.473e-05/0.2321, allocations: 374.8 kB / 0.9904 GB, free: 16.27 MB / 0.6198 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002223/0.2324, allocations: 131.9 kB / 0.9905 GB, free: 16.14 MB / 0.6198 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002319/0.2326, allocations: 177.8 kB / 0.9907 GB, free: 15.95 MB / 0.6198 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000214/0.2328, allocations: 115 kB / 0.9908 GB, free: 15.84 MB / 0.6198 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.905e-06/0.2328, allocations: 3.953 kB / 0.9908 GB, free: 15.83 MB / 0.6198 GB Notification: Performance of matching and sorting (n=30) (initialization): time 0.0005424/0.2334, allocations: 381.3 kB / 0.9912 GB, free: 15.45 MB / 0.6198 GB Notification: Performance of prepare postOptimizeDAE: time 4.854e-05/0.2334, allocations: 111 kB / 0.9913 GB, free: 15.33 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.989e-06/0.2335, allocations: 3.938 kB / 0.9913 GB, free: 15.33 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.273e-05/0.2335, allocations: 3.984 kB / 0.9913 GB, free: 15.32 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002273/0.2337, allocations: 63.91 kB / 0.9913 GB, free: 15.26 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.033e-06/0.2337, allocations: 0 / 0.9913 GB, free: 15.26 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002247/0.234, allocations: 51.81 kB / 0.9914 GB, free: 15.21 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.841e-05/0.234, allocations: 11.98 kB / 0.9914 GB, free: 15.2 MB / 0.6198 GB Notification: Performance of prepare postOptimizeDAE: time 5.04e-06/0.234, allocations: 4 kB / 0.9914 GB, free: 15.2 MB / 0.6198 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.00039/0.2344, allocations: 259.8 kB / 0.9917 GB, free: 14.94 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.174e-06/0.2344, allocations: 3.953 kB / 0.9917 GB, free: 14.94 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.795e-06/0.2344, allocations: 4 kB / 0.9917 GB, free: 14.93 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001885/0.2346, allocations: 51.91 kB / 0.9917 GB, free: 14.88 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.455e-06/0.2346, allocations: 0 / 0.9917 GB, free: 14.88 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001927/0.2348, allocations: 47.88 kB / 0.9918 GB, free: 14.84 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.835e-05/0.2348, allocations: 16 kB / 0.9918 GB, free: 14.82 MB / 0.6198 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 12 ($whenCondition1,$PRE.PEleDem.tab.nextTimeEvent,PEleDem.tab.nextTimeEvent,$PRE.PEleDem.tab.nextTimeEventScaled,PEleDem.tab.nextTimeEventScaled,filPow.assPow.assMesP.u,filPow.assPow.assMesDP.u,$PRE.filPow.assPow.maxPow.y,filPow.assPow.maxPow.y,$PRE.filPow.assPow.minPow.y,filPow.assPow.minPow.y,filPow.limDp.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (30): * Single equations (assignments): 30 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001996/0.2351, allocations: 297 kB / 0.9921 GB, free: 14.52 MB / 0.6198 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.081e-05/0.2351, allocations: 55.25 kB / 0.9921 GB, free: 14.46 MB / 0.6198 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 8.859e-05/0.2352, allocations: 73.33 kB / 0.9922 GB, free: 14.39 MB / 0.6198 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.337e-06/0.2352, allocations: 0 / 0.9922 GB, free: 14.39 MB / 0.6198 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.879e-06/0.2352, allocations: 0 / 0.9922 GB, free: 14.39 MB / 0.6198 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.4e-06/0.2352, allocations: 7.984 kB / 0.9922 GB, free: 14.38 MB / 0.6198 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003087/0.2355, allocations: 433.3 kB / 0.9926 GB, free: 13.91 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.392e-06/0.2356, allocations: 0 / 0.9926 GB, free: 13.91 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001319/0.2357, allocations: 31.92 kB / 0.9926 GB, free: 13.88 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.685e-06/0.2357, allocations: 0 / 0.9926 GB, free: 13.88 MB / 0.6198 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.726e-05/0.2357, allocations: 7.938 kB / 0.9926 GB, free: 13.87 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.336e-06/0.2357, allocations: 15.94 kB / 0.9927 GB, free: 13.86 MB / 0.6198 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.21e-07/0.2357, allocations: 0 / 0.9927 GB, free: 13.86 MB / 0.6198 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006418/0.2364, allocations: 398.8 kB / 0.993 GB, free: 13.45 MB / 0.6198 GB Notification: Performance of postOpt removeConstants (simulation): time 8.048e-05/0.2365, allocations: 132.4 kB / 0.9932 GB, free: 13.3 MB / 0.6198 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.165e-05/0.2365, allocations: 8 kB / 0.9932 GB, free: 13.29 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001793/0.2367, allocations: 32.03 kB / 0.9932 GB, free: 13.26 MB / 0.6198 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.1e-05/0.2368, allocations: 35.91 kB / 0.9932 GB, free: 13.23 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.498e-05/0.2368, allocations: 4 kB / 0.9932 GB, free: 13.22 MB / 0.6198 GB Notification: Performance of sorting global known variables: time 0.0003796/0.2372, allocations: 471 kB / 0.9937 GB, free: 12.77 MB / 0.6198 GB Notification: Performance of sort global known variables: time 1.3e-07/0.2372, allocations: 0 / 0.9937 GB, free: 12.77 MB / 0.6198 GB Notification: Performance of remove unused functions: time 0.0003854/0.2376, allocations: 135.7 kB / 0.9938 GB, free: 12.63 MB / 0.6198 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 2 (filPow.assPow.demRat.x,filPow.dPLim.y) * Number of discrete variables: 7 ($whenCondition1,PEleDem.tab.nextTimeEvent,PEleDem.tab.nextTimeEventScaled,filPow.assPow.assMesP.u,filPow.assPow.assMesDP.u,filPow.assPow.maxPow.y,filPow.assPow.minPow.y) * Number of discrete states: 4 (filPow.assPow.minPow.y,filPow.assPow.maxPow.y,PEleDem.tab.nextTimeEventScaled,PEleDem.tab.nextTimeEvent) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (15): * Single equations (assignments): 13 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001541/0.2392, allocations: 1.249 MB / 0.995 GB, free: 11.51 MB / 0.6198 GB Notification: Performance of simCode: created initialization part: time 0.0006885/0.2399, allocations: 407.8 kB / 0.9954 GB, free: 11.11 MB / 0.6198 GB Notification: Performance of simCode: created event and clocks part: time 3.186e-06/0.2399, allocations: 3.938 kB / 0.9954 GB, free: 11.11 MB / 0.6198 GB Notification: Performance of simCode: created simulation system equations: time 0.000194/0.2401, allocations: 95.95 kB / 0.9955 GB, free: 11.02 MB / 0.6198 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004924/0.2406, allocations: 99.66 kB / 0.9956 GB, free: 10.93 MB / 0.6198 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004109/0.2447, allocations: 3.45 MB / 0.999 GB, free: 7.418 MB / 0.6198 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002771/0.245, allocations: 0.8856 MB / 0.9998 GB, free: 6.508 MB / 0.6198 GB Notification: Performance of simCode: alias equations: time 0.0002546/0.2453, allocations: 58.94 kB / 0.9999 GB, free: 6.449 MB / 0.6198 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002112/0.2455, allocations: 187.4 kB / 1 GB, free: 6.266 MB / 0.6198 GB Notification: Performance of SimCode: time 1.112e-06/0.2455, allocations: 0 / 1 GB, free: 6.266 MB / 0.6198 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02441/0.2699, allocations: 10.55 MB / 1.01 GB, free: 11.85 MB / 0.6355 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002524/0.2702, allocations: 241 kB / 1.011 GB, free: 11.61 MB / 0.6355 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.283/2.553, allocations: 0 / 1.011 GB, free: 11.61 MB / 0.6355 GB (rm -f Buildings_maint.8.0.x_Buildings.Fluid.CHPs.BaseClasses.Validation.FilterPower.pipe ; mkfifo Buildings_maint.8.0.x_Buildings.Fluid.CHPs.BaseClasses.Validation.FilterPower.pipe ; head -c 1048576 < Buildings_maint.8.0.x_Buildings.Fluid.CHPs.BaseClasses.Validation.FilterPower.pipe >> ../files/Buildings_maint.8.0.x_Buildings.Fluid.CHPs.BaseClasses.Validation.FilterPower.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_8_0_x_Buildings_Fluid_CHPs_BaseClasses_Validation_FilterPower_fmu --startTime=0 --stopTime=1800 --timeout=50 --tolerance=1e-06 Buildings_maint_8_0_x_Buildings_Fluid_CHPs_BaseClasses_Validation_FilterPower.fmu > Buildings_maint.8.0.x_Buildings.Fluid.CHPs.BaseClasses.Validation.FilterPower.pipe 2>&1)