Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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(IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust") translateModel(IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001563/0.001563, allocations: 102 kB / 16.27 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001492/0.001492, allocations: 190.4 kB / 17.2 MB, free: 5.594 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.317/1.317, allocations: 222.9 MB / 240.9 MB, free: 15.2 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.7885/0.7885, allocations: 135.2 MB / 426.2 MB, free: 4.164 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001869/0.001869, allocations: 63.91 kB / 0.506 GB, free: 8.359 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3378/0.3396, allocations: 80.91 MB / 0.5851 GB, free: 25.34 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust): time 0.6522/0.9919, allocations: 379.3 MB / 0.9554 GB, free: 2.133 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.06282/1.055, allocations: 44.41 MB / 0.9988 GB, free: 5.594 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006598/1.061, allocations: 171.1 kB / 0.999 GB, free: 5.426 MB / 0.7169 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/Fluid/FMI/Conversion/AirToOutlet.mo:96:3-98:60:writable] Warning: Connector bacPro_internal is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/Fluid/FMI/Conversion/InletToAir.mo:80:3-82:60:writable] Warning: Connector bacPro_internal is not balanced: The number of potential variables (2) is not equal to the number of flow variables (0). Notification: Performance of NFTyping.typeComponents: time 0.008195/1.07, allocations: 2.816 MB / 1.002 GB, free: 2.594 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.01978/1.09, allocations: 7.281 MB / 1.009 GB, free: 11.28 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.009972/1.1, allocations: 3.746 MB / 1.012 GB, free: 7.57 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.01671/1.116, allocations: 11.51 MB / 1.024 GB, free: 12.04 MB / 0.7481 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009933/1.126, allocations: 5.555 MB / 1.029 GB, free: 6.402 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01435/1.141, allocations: 6.353 MB / 1.035 GB, free: 28 kB / 0.7481 GB Notification: Performance of NFSimplifyModel.simplify: time 0.4048/1.545, allocations: 3.597 MB / 1.039 GB, free: 15.82 MB / 0.7481 GB Notification: Performance of NFPackage.collectConstants: time 0.00222/1.548, allocations: 498.6 kB / 1.039 GB, free: 15.82 MB / 0.7481 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01484/1.563, allocations: 6.159 MB / 1.045 GB, free: 15.82 MB / 0.7481 GB Notification: Performance of NFScalarize.scalarize: time 0.003657/1.566, allocations: 1.718 MB / 1.047 GB, free: 15.82 MB / 0.7481 GB Notification: Performance of NFVerifyModel.verify: time 0.006272/1.573, allocations: 2.778 MB / 1.05 GB, free: 15.53 MB / 0.7481 GB Notification: Performance of NFConvertDAE.convert: time 0.01726/1.59, allocations: 9.17 MB / 1.059 GB, free: 14.72 MB / 0.7481 GB Notification: Performance of FrontEnd - DAE generated: time 6.462e-06/1.59, allocations: 0 / 1.059 GB, free: 14.72 MB / 0.7481 GB Notification: Performance of FrontEnd: time 3.357e-06/1.59, allocations: 0 / 1.059 GB, free: 14.72 MB / 0.7481 GB Notification: Performance of Transformations before backend: time 0.0002606/1.59, allocations: 5.031 kB / 1.059 GB, free: 14.72 MB / 0.7481 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 856 * Number of variables: 856 Notification: Performance of Generate backend data structure: time 0.01437/1.605, allocations: 5.648 MB / 1.064 GB, free: 12.28 MB / 0.7481 GB Notification: Performance of prepare preOptimizeDAE: time 3.752e-05/1.605, allocations: 10.08 kB / 1.064 GB, free: 12.28 MB / 0.7481 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01106/1.616, allocations: 1.797 MB / 1.066 GB, free: 12.01 MB / 0.7481 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008063/1.624, allocations: 3.588 MB / 1.069 GB, free: 11.21 MB / 0.7481 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00148/1.625, allocations: 0.5988 MB / 1.07 GB, free: 11.06 MB / 0.7481 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001186/1.626, allocations: 341.6 kB / 1.07 GB, free: 11.06 MB / 0.7481 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01065/1.637, allocations: 4.49 MB / 1.075 GB, free: 10.67 MB / 0.7481 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.204e-05/1.637, allocations: 4.969 kB / 1.075 GB, free: 10.67 MB / 0.7481 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004519/1.638, allocations: 142.6 kB / 1.075 GB, free: 10.67 MB / 0.7481 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001416/1.638, allocations: 136.9 kB / 1.075 GB, free: 10.66 MB / 0.7481 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009348/1.647, allocations: 3.93 MB / 1.079 GB, free: 10.58 MB / 0.7481 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 0.03041/1.678, allocations: 19.01 MB / 1.097 GB, free: 17.13 MB / 0.7637 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003799/1.681, allocations: 1.767 MB / 1.099 GB, free: 16.87 MB / 0.7637 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001929/1.683, allocations: 0.9154 MB / 1.1 GB, free: 16.84 MB / 0.7637 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007077/1.684, allocations: 410.6 kB / 1.1 GB, free: 16.46 MB / 0.7637 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002377/1.687, allocations: 1.076 MB / 1.102 GB, free: 16.35 MB / 0.7637 GB Notification: Performance of pre-optimization done (n=129): time 3.126e-06/1.687, allocations: 4 kB / 1.102 GB, free: 16.34 MB / 0.7637 GB Notification: Performance of matching and sorting (n=129): time 0.007733/1.694, allocations: 2.843 MB / 1.104 GB, free: 15.94 MB / 0.7637 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000121/1.694, allocations: 154.8 kB / 1.104 GB, free: 15.78 MB / 0.7637 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005152/1.7, allocations: 3.491 MB / 1.108 GB, free: 15.45 MB / 0.7637 GB Notification: Performance of collectPreVariables (initialization): time 0.0003896/1.7, allocations: 63.11 kB / 1.108 GB, free: 15.42 MB / 0.7637 GB Notification: Performance of collectInitialEqns (initialization): time 0.001561/1.702, allocations: 2.146 MB / 1.11 GB, free: 14.64 MB / 0.7637 GB Notification: Performance of collectInitialBindings (initialization): time 0.000474/1.702, allocations: 465.3 kB / 1.11 GB, free: 14.35 MB / 0.7637 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006437/1.703, allocations: 490.6 kB / 1.111 GB, free: 14.3 MB / 0.7637 GB Notification: Performance of setup shared object (initialization): time 0.0001284/1.703, allocations: 302.9 kB / 1.111 GB, free: 14.01 MB / 0.7637 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002463/1.705, allocations: 1.047 MB / 1.112 GB, free: 13.96 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002872/1.708, allocations: 2.112 MB / 1.114 GB, free: 12.6 MB / 0.7637 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005354/1.714, allocations: 3.061 MB / 1.117 GB, free: 11.33 MB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.547e-05/1.714, allocations: 10.41 kB / 1.117 GB, free: 11.33 MB / 0.7637 GB Notification: Performance of matching and sorting (n=291) (initialization): time 0.007698/1.721, allocations: 3.382 MB / 1.121 GB, free: 11.01 MB / 0.7637 GB Notification: Performance of prepare postOptimizeDAE: time 7.266e-05/1.721, allocations: 49.42 kB / 1.121 GB, free: 10.98 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.073e-05/1.722, allocations: 33.31 kB / 1.121 GB, free: 10.98 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.875e-05/1.722, allocations: 43.94 kB / 1.121 GB, free: 10.98 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002427/1.724, allocations: 0.63 MB / 1.121 GB, free: 10.96 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.884e-05/1.724, allocations: 73.17 kB / 1.121 GB, free: 10.96 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003972/1.728, allocations: 0.4947 MB / 1.122 GB, free: 10.79 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002637/1.728, allocations: 124.8 kB / 1.122 GB, free: 10.79 MB / 0.7637 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004545/1.733, allocations: 1.957 MB / 1.124 GB, free: 10.68 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003359/1.736, allocations: 2.089 MB / 1.126 GB, free: 9.309 MB / 0.7637 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.005452/1.742, allocations: 3.003 MB / 1.129 GB, free: 8.047 MB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.794e-05/1.742, allocations: 11.56 kB / 1.129 GB, free: 8.043 MB / 0.7637 GB Notification: Performance of matching and sorting (n=291) (initialization_lambda0): time 0.007357/1.749, allocations: 3.319 MB / 1.132 GB, free: 7.723 MB / 0.7637 GB Notification: Performance of prepare postOptimizeDAE: time 6.352e-05/1.749, allocations: 52.8 kB / 1.132 GB, free: 7.688 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.815e-05/1.749, allocations: 32.06 kB / 1.132 GB, free: 7.688 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.676e-05/1.749, allocations: 45.12 kB / 1.132 GB, free: 7.688 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002423/1.752, allocations: 0.6263 MB / 1.133 GB, free: 7.676 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.171e-05/1.752, allocations: 70.12 kB / 1.133 GB, free: 7.672 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003908/1.756, allocations: 417.3 kB / 1.133 GB, free: 7.57 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002145/1.756, allocations: 125.7 kB / 1.133 GB, free: 7.57 MB / 0.7637 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 143 * Number of states: 0 () * Number of discrete variables: 6 (TSet.count,$PRE.TSet.count,TSet.T_start,$PRE.TSet.T_start,$whenCondition1,conPI.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (287): * Single equations (assignments): 283 * Array equations: 3 * 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 0.0007156/1.757, allocations: 350.6 kB / 1.134 GB, free: 7.371 MB / 0.7637 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008705/1.758, allocations: 368.4 kB / 1.134 GB, free: 7.172 MB / 0.7637 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005011/1.763, allocations: 2.282 MB / 1.136 GB, free: 6.973 MB / 0.7637 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.223e-05/1.763, allocations: 13.12 kB / 1.136 GB, free: 6.973 MB / 0.7637 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.245e-06/1.763, allocations: 2.719 kB / 1.136 GB, free: 6.973 MB / 0.7637 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003741/1.766, allocations: 1.923 MB / 1.138 GB, free: 6.465 MB / 0.7637 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01235/1.779, allocations: 6.138 MB / 1.144 GB, free: 2.957 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.322e-05/1.779, allocations: 8 kB / 1.144 GB, free: 2.949 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001665/1.78, allocations: 322.7 kB / 1.145 GB, free: 2.656 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002237/1.781, allocations: 58.2 kB / 1.145 GB, free: 2.609 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001121/1.781, allocations: 42.17 kB / 1.145 GB, free: 2.582 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001356/1.782, allocations: 1.555 MB / 1.146 GB, free: 1.027 MB / 0.7637 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.596e-06/1.782, allocations: 10.44 kB / 1.146 GB, free: 1.02 MB / 0.7637 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007523/1.79, allocations: 3.339 MB / 1.149 GB, free: 14.38 MB / 0.7794 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001744/1.792, allocations: 0.6156 MB / 1.15 GB, free: 13.85 MB / 0.7794 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005647/1.792, allocations: 39.44 kB / 1.15 GB, free: 13.83 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002375/1.794, allocations: 182.9 kB / 1.15 GB, free: 13.67 MB / 0.7794 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002151/1.795, allocations: 116.1 kB / 1.15 GB, free: 13.58 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001305/1.795, allocations: 59.59 kB / 1.15 GB, free: 13.53 MB / 0.7794 GB Notification: Performance of sorting global known variables: time 0.004524/1.799, allocations: 2.372 MB / 1.153 GB, free: 11.8 MB / 0.7794 GB Notification: Performance of sort global known variables: time 4.61e-07/1.799, allocations: 0 / 1.153 GB, free: 11.8 MB / 0.7794 GB Notification: Performance of remove unused functions: time 0.00692/1.806, allocations: 2 MB / 1.155 GB, free: 9.906 MB / 0.7794 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 40 * Number of states: 4 (conPI.I.y,vol.dynBal.U,vol.dynBal.m,vol.dynBal.mXi[1]) * Number of discrete variables: 3 ($whenCondition1,TSet.T_start,TSet.count) * Number of discrete states: 1 (TSet.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (127): * Single equations (assignments): 124 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001235/1.808, allocations: 0.4886 MB / 1.155 GB, free: 9.496 MB / 0.7794 GB Notification: Performance of simCode: created initialization part: time 0.01036/1.818, allocations: 4.084 MB / 1.159 GB, free: 6.48 MB / 0.7794 GB Notification: Performance of simCode: created event and clocks part: time 1.646e-05/1.818, allocations: 4 kB / 1.159 GB, free: 6.477 MB / 0.7794 GB Notification: Performance of simCode: created simulation system equations: time 0.002603/1.821, allocations: 1.015 MB / 1.16 GB, free: 5.719 MB / 0.7794 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.008863/1.83, allocations: 1.738 MB / 1.162 GB, free: 4.328 MB / 0.7794 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01822/1.848, allocations: 7.907 MB / 1.17 GB, free: 13.11 MB / 0.795 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002646/1.85, allocations: 2.644 MB / 1.172 GB, free: 10.64 MB / 0.795 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001229/1.852, allocations: 268.2 kB / 1.172 GB, free: 10.38 MB / 0.795 GB Notification: Performance of SimCode: time 9.92e-07/1.852, allocations: 0 / 1.172 GB, free: 10.38 MB / 0.795 GB Notification: Performance of Templates: time 0.1136/1.965, allocations: 74.12 MB / 1.245 GB, free: 1.754 MB / 0.8575 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.makefile (rm -f IDEAS_dev_IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.sim & ./IDEAS_dev_IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.FMI.Adaptors.Examples.ThermalZoneHVACWithExhaust.pipe 2>&1)