Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem.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.Movers.Validation.FlowControlled_dpSystem,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem") translateModel(IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001012/0.001017, allocations: 91.84 kB / 16.02 MB, free: 80 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001264/0.001265, allocations: 181.6 kB / 16.92 MB, free: 6.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.362/1.362, allocations: 223.3 MB / 241 MB, free: 5.273 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9326/0.9326, allocations: 135.3 MB / 427.4 MB, free: 14.32 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004059/0.0004062, allocations: 8.875 kB / 0.5082 GB, free: 4.719 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.164/0.1644, allocations: 82.31 MB / 0.5886 GB, free: 2.578 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem): time 1.051/1.216, allocations: 350.5 MB / 0.9309 GB, free: 1.52 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.04281/1.259, allocations: 34.67 MB / 0.9648 GB, free: 0.8984 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006854/1.265, allocations: 152.7 kB / 0.9649 GB, free: 0.8984 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.007363/1.273, allocations: 2.447 MB / 0.9673 GB, free: 0.832 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.01974/1.293, allocations: 7.905 MB / 0.975 GB, free: 324 kB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.01131/1.304, allocations: 4.315 MB / 0.9793 GB, free: 15.41 MB / 0.6856 GB Notification: Performance of NFFlatten.flatten: time 0.01828/1.322, allocations: 16.34 MB / 0.9952 GB, free: 10.63 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006533/1.329, allocations: 3.773 MB / 0.9989 GB, free: 8.508 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01168/1.341, allocations: 5.035 MB / 1.004 GB, free: 7.023 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.008621/1.349, allocations: 3.833 MB / 1.008 GB, free: 4.312 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.001656/1.351, allocations: 211.2 kB / 1.008 GB, free: 4.109 MB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01587/1.367, allocations: 7.579 MB / 1.015 GB, free: 13.93 MB / 0.7012 GB Notification: Performance of NFScalarize.scalarize: time 0.003035/1.37, allocations: 1.564 MB / 1.017 GB, free: 12.41 MB / 0.7012 GB Notification: Performance of NFVerifyModel.verify: time 0.005841/1.376, allocations: 2.519 MB / 1.019 GB, free: 9.898 MB / 0.7012 GB Notification: Performance of NFConvertDAE.convert: time 0.01138/1.387, allocations: 6.752 MB / 1.026 GB, free: 3.48 MB / 0.7012 GB Notification: Performance of FrontEnd - DAE generated: time 6.822e-06/1.387, allocations: 0 / 1.026 GB, free: 3.48 MB / 0.7012 GB Notification: Performance of FrontEnd: time 3.286e-06/1.387, allocations: 0 / 1.026 GB, free: 3.48 MB / 0.7012 GB Notification: Performance of Transformations before backend: time 0.0002294/1.387, allocations: 0 / 1.026 GB, free: 3.48 MB / 0.7012 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 711 * Number of variables: 711 Notification: Performance of Generate backend data structure: time 0.01174/1.399, allocations: 5.036 MB / 1.031 GB, free: 14.42 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 4.292e-05/1.399, allocations: 12.03 kB / 1.031 GB, free: 14.41 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009587/1.409, allocations: 1.483 MB / 1.032 GB, free: 12.93 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007983/1.417, allocations: 3.652 MB / 1.036 GB, free: 9.285 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008017/1.418, allocations: 366.5 kB / 1.036 GB, free: 8.926 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007015/1.418, allocations: 311.9 kB / 1.036 GB, free: 8.621 MB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006886/1.425, allocations: 3.472 MB / 1.04 GB, free: 5.027 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.819e-05/1.425, allocations: 3.938 kB / 1.04 GB, free: 5.023 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002943/1.426, allocations: 119.9 kB / 1.04 GB, free: 4.91 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.949e-05/1.426, allocations: 113.3 kB / 1.04 GB, free: 4.797 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0061/1.432, allocations: 2.89 MB / 1.043 GB, free: 1.895 MB / 0.7169 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 0.02318/1.455, allocations: 15.18 MB / 1.058 GB, free: 1.953 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004067/1.459, allocations: 2.026 MB / 1.06 GB, free: 15.92 MB / 0.7481 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002316/1.462, allocations: 1.198 MB / 1.061 GB, free: 14.72 MB / 0.7481 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003634/1.462, allocations: 236.7 kB / 1.061 GB, free: 14.47 MB / 0.7481 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.59e-05/1.462, allocations: 56.56 kB / 1.061 GB, free: 14.4 MB / 0.7481 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.002534/1.465, allocations: 489.7 kB / 1.061 GB, free: 13.92 MB / 0.7481 GB Notification: Performance of pre-optimization done (n=187): time 9.007e-06/1.465, allocations: 0 / 1.061 GB, free: 13.92 MB / 0.7481 GB Notification: Performance of matching and sorting (n=195): time 0.02002/1.485, allocations: 7.245 MB / 1.069 GB, free: 6.582 MB / 0.7481 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.108e-05/1.485, allocations: 77.34 kB / 1.069 GB, free: 6.496 MB / 0.7481 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007328/1.492, allocations: 3.917 MB / 1.072 GB, free: 2.57 MB / 0.7481 GB Notification: Performance of collectPreVariables (initialization): time 0.0004974/1.493, allocations: 79.81 kB / 1.073 GB, free: 2.488 MB / 0.7481 GB Notification: Performance of collectInitialEqns (initialization): time 0.001921/1.494, allocations: 1.989 MB / 1.074 GB, free: 0.4961 MB / 0.7481 GB Notification: Performance of collectInitialBindings (initialization): time 0.001001/1.496, allocations: 0.6661 MB / 1.075 GB, free: 15.83 MB / 0.7637 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004736/1.496, allocations: 190.1 kB / 1.075 GB, free: 15.64 MB / 0.7637 GB Notification: Performance of setup shared object (initialization): time 0.0001012/1.496, allocations: 305.1 kB / 1.076 GB, free: 15.34 MB / 0.7637 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002479/1.499, allocations: 1.012 MB / 1.077 GB, free: 14.32 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00322/1.502, allocations: 1.948 MB / 1.078 GB, free: 11.96 MB / 0.7637 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: zone2.dynBal.medium.p = zone2.dynBal.p_start (sin.p = zone2.dynBal.p_start) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: zone1.dynBal.medium.p = zone1.dynBal.p_start (sin.p = zone1.dynBal.p_start) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: zone3.dynBal.medium.p = zone3.dynBal.p_start (sin.p = zone3.dynBal.p_start) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: zone4.dynBal.medium.p = zone4.dynBal.p_start (sin.p = zone4.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.03776/1.54, allocations: 11.26 MB / 1.089 GB, free: 424 kB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.732e-05/1.54, allocations: 4 kB / 1.089 GB, free: 420 kB / 0.7637 GB Notification: Performance of matching and sorting (n=284) (initialization): time 0.008805/1.548, allocations: 3.411 MB / 1.093 GB, free: 12.98 MB / 0.7794 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004511/1.549, allocations: 0.5972 MB / 1.093 GB, free: 12.15 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.398e-05/1.549, allocations: 16 kB / 1.093 GB, free: 12.14 MB / 0.7794 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001454/1.55, allocations: 308.5 kB / 1.094 GB, free: 11.83 MB / 0.7794 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002506/1.553, allocations: 0.5265 MB / 1.094 GB, free: 11.3 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001537/1.555, allocations: 1.824 MB / 1.096 GB, free: 9.402 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005124/1.56, allocations: 374 kB / 1.096 GB, free: 9.043 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005214/1.56, allocations: 116 kB / 1.096 GB, free: 8.93 MB / 0.7794 GB Notification: Performance of prepare postOptimizeDAE: time 1.316e-05/1.56, allocations: 0 / 1.096 GB, free: 8.93 MB / 0.7794 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.006732/1.567, allocations: 2.774 MB / 1.099 GB, free: 6.148 MB / 0.7794 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.928e-05/1.567, allocations: 16 kB / 1.099 GB, free: 6.133 MB / 0.7794 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00075/1.568, allocations: 210.6 kB / 1.099 GB, free: 5.918 MB / 0.7794 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002277/1.57, allocations: 0.5226 MB / 1.1 GB, free: 5.395 MB / 0.7794 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005391/1.576, allocations: 5.186 MB / 1.105 GB, free: 15.77 MB / 0.795 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005258/1.581, allocations: 382.2 kB / 1.105 GB, free: 15.41 MB / 0.795 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000489/1.581, allocations: 112 kB / 1.105 GB, free: 15.3 MB / 0.795 GB Warning: The initial conditions are over specified. The following 4 initial equations are redundant, so they are removed from the initialization sytem: zone2.dynBal.medium.p = zone2.dynBal.p_start zone1.dynBal.medium.p = zone1.dynBal.p_start zone3.dynBal.medium.p = zone3.dynBal.p_start zone4.dynBal.medium.p = zone4.dynBal.p_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 76 * 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 (266): * Single equations (assignments): 261 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * 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): 3 systems {(2,9), (1,3), (1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.002592/1.584, allocations: 0.9577 MB / 1.106 GB, free: 14.32 MB / 0.795 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001201/1.585, allocations: 422.8 kB / 1.107 GB, free: 13.91 MB / 0.795 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006775/1.592, allocations: 2.847 MB / 1.11 GB, free: 11.04 MB / 0.795 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.027e-05/1.592, allocations: 20 kB / 1.11 GB, free: 11.02 MB / 0.795 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.691e-06/1.592, allocations: 0 / 1.11 GB, free: 11.02 MB / 0.795 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.004783/1.597, allocations: 2.369 MB / 1.112 GB, free: 8.598 MB / 0.795 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 0.01437/1.611, allocations: 6.811 MB / 1.119 GB, free: 1.633 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.813e-05/1.611, allocations: 8 kB / 1.119 GB, free: 1.625 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0022/1.614, allocations: 467.4 kB / 1.119 GB, free: 1.168 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004388/1.614, allocations: 172.7 kB / 1.119 GB, free: 0.9922 MB / 0.795 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00019/1.614, allocations: 59.97 kB / 1.119 GB, free: 0.9336 MB / 0.795 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001153/1.615, allocations: 1.782 MB / 1.121 GB, free: 15.07 MB / 0.8106 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.158e-05/1.615, allocations: 15.94 kB / 1.121 GB, free: 15.06 MB / 0.8106 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008741/1.624, allocations: 4.35 MB / 1.125 GB, free: 10.57 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002505/1.627, allocations: 0.7455 MB / 1.126 GB, free: 9.797 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001231/1.628, allocations: 48 kB / 1.126 GB, free: 9.75 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004415/1.632, allocations: 303.3 kB / 1.126 GB, free: 9.453 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004001/1.633, allocations: 153.6 kB / 1.126 GB, free: 9.305 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002961/1.633, allocations: 91.89 kB / 1.127 GB, free: 9.215 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.005404/1.639, allocations: 2.693 MB / 1.129 GB, free: 6.523 MB / 0.8106 GB Notification: Performance of sort global known variables: time 1.834e-06/1.639, allocations: 4 kB / 1.129 GB, free: 6.52 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.007986/1.647, allocations: 1.844 MB / 1.131 GB, free: 4.676 MB / 0.8106 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 39 * Number of states: 8 (zone2.dynBal.U,zone2.dynBal.mXi[1],zone1.dynBal.U,zone1.dynBal.mXi[1],zone3.dynBal.U,zone3.dynBal.mXi[1],zone4.dynBal.U,zone4.dynBal.mXi[1]) * 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 (189): * Single equations (assignments): 186 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * 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): 3 systems {(2,9), (1,3), (1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001548/1.648, allocations: 0.5367 MB / 1.131 GB, free: 4.18 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.00948/1.658, allocations: 4.307 MB / 1.136 GB, free: 15.85 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.436e-05/1.658, allocations: 4 kB / 1.136 GB, free: 15.84 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.002842/1.661, allocations: 1.227 MB / 1.137 GB, free: 14.62 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01908/1.68, allocations: 2.275 MB / 1.139 GB, free: 12.36 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01666/1.696, allocations: 9.576 MB / 1.148 GB, free: 2.641 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003133/1.699, allocations: 2.531 MB / 1.151 GB, free: 76 kB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001654/1.701, allocations: 339.3 kB / 1.151 GB, free: 15.74 MB / 0.8419 GB Notification: Performance of SimCode: time 1.172e-06/1.701, allocations: 0 / 1.151 GB, free: 15.74 MB / 0.8419 GB Notification: Performance of Templates: time 0.4206/2.122, allocations: 123.5 MB / 1.272 GB, free: 312 MB / 0.8419 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem.makefile (rm -f IDEAS_dev_IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem.sim & ./IDEAS_dev_IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.Movers.Validation.FlowControlled_dpSystem.pipe 2>&1)