Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives.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/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives")
translateModel(IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001171/0.00117, allocations: 109.2 kB / 17.03 MB, free: 5.656 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001226/0.001226, allocations: 192.6 kB / 17.97 MB, free: 5.062 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.231/1.231, allocations: 222.9 MB / 241.7 MB, free: 15.14 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.688/0.688, allocations: 115.1 MB / 406.9 MB, free: 6.328 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001322/0.001322, allocations: 59.91 kB / 494.8 MB, free: 15.83 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3352/0.3365, allocations: 76.15 MB / 0.5576 GB, free: 36.57 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives): time 0.06794/0.4045, allocations: 79.32 MB / 0.635 GB, free: 5.016 MB / 478.1 MB
Notification: Performance of NFInst.instExpressions: time 0.04114/0.4457, allocations: 28.4 MB / 0.6628 GB, free: 8.539 MB / 0.4981 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.005285/0.451, allocations: 119.4 kB / 0.6629 GB, free: 8.422 MB / 0.4981 GB
Notification: Performance of NFTyping.typeComponents: time 0.01978/0.4708, allocations: 11.46 MB / 0.6741 GB, free: 12.95 MB / 0.5137 GB
Notification: Performance of NFTyping.typeBindings: time 0.01097/0.4818, allocations: 3.765 MB / 0.6777 GB, free: 9.164 MB / 0.5137 GB
Notification: Performance of NFTyping.typeClassSections: time 0.007803/0.4897, allocations: 3.121 MB / 0.6808 GB, free: 6.066 MB / 0.5137 GB
Notification: Performance of NFFlatten.flatten: time 0.03202/0.5217, allocations: 22.34 MB / 0.7026 GB, free: 15.69 MB / 0.545 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00434/0.5261, allocations: 2.707 MB / 0.7052 GB, free: 12.92 MB / 0.545 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.006515/0.5326, allocations: 3.099 MB / 0.7083 GB, free: 9.824 MB / 0.545 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003728/0.5363, allocations: 2.549 MB / 0.7108 GB, free: 7.262 MB / 0.545 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006774/0.537, allocations: 360 kB / 0.7111 GB, free: 6.91 MB / 0.545 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004523/0.5415, allocations: 2.344 MB / 0.7134 GB, free: 4.562 MB / 0.545 GB
Notification: Performance of NFScalarize.scalarize: time 0.001483/0.543, allocations: 1.799 MB / 0.7152 GB, free: 2.758 MB / 0.545 GB
Notification: Performance of NFVerifyModel.verify: time 0.00297/0.546, allocations: 2.627 MB / 0.7177 GB, free: 120 kB / 0.545 GB
Notification: Performance of NFConvertDAE.convert: time 0.00885/0.5549, allocations: 7.804 MB / 0.7253 GB, free: 8.289 MB / 0.5606 GB
Notification: Performance of FrontEnd - DAE generated: time 5.22e-06/0.5549, allocations: 0 / 0.7253 GB, free: 8.289 MB / 0.5606 GB
Notification: Performance of FrontEnd: time 1.903e-06/0.5549, allocations: 4 kB / 0.7253 GB, free: 8.285 MB / 0.5606 GB
Notification: Performance of Transformations before backend: time 0.0001157/0.555, allocations: 0 / 0.7253 GB, free: 8.285 MB / 0.5606 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 405
 * Number of variables: 405
Notification: Performance of Generate backend data structure: time 0.01023/0.5653, allocations: 5.799 MB / 0.731 GB, free: 2.387 MB / 0.5606 GB
Notification: Performance of prepare preOptimizeDAE: time 3.515e-05/0.5653, allocations: 12.03 kB / 0.731 GB, free: 2.375 MB / 0.5606 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00803/0.5734, allocations: 1.539 MB / 0.7325 GB, free: 0.8281 MB / 0.5606 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.01293/0.5863, allocations: 7.248 MB / 0.7396 GB, free: 9.512 MB / 0.5762 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001285/0.5865, allocations: 143.2 kB / 0.7397 GB, free: 9.371 MB / 0.5762 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003637/0.5868, allocations: 188 kB / 0.7399 GB, free: 9.188 MB / 0.5762 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.004566/0.5914, allocations: 2.6 MB / 0.7425 GB, free: 6.492 MB / 0.5762 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.772e-05/0.5915, allocations: 7.875 kB / 0.7425 GB, free: 6.484 MB / 0.5762 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001634/0.5916, allocations: 68 kB / 0.7425 GB, free: 6.418 MB / 0.5762 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.865e-05/0.5917, allocations: 43.94 kB / 0.7426 GB, free: 6.375 MB / 0.5762 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004819/0.5965, allocations: 2.006 MB / 0.7445 GB, free: 4.363 MB / 0.5762 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 0.2732/0.8697, allocations: 11.69 MB / 0.7559 GB, free: 159.6 MB / 0.5762 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004908/0.8746, allocations: 1.718 MB / 0.7576 GB, free: 159.1 MB / 0.5762 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001901/0.8765, allocations: 0.7964 MB / 0.7584 GB, free: 158.8 MB / 0.5762 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.006713/0.8833, allocations: 4.054 MB / 0.7624 GB, free: 156.2 MB / 0.5762 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.492e-05/0.8833, allocations: 49.36 kB / 0.7624 GB, free: 156.2 MB / 0.5762 GB
Notification: Performance of pre-optimization done (n=82): time 3.136e-06/0.8833, allocations: 0.6875 kB / 0.7624 GB, free: 156.2 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=82): time 0.007321/0.8906, allocations: 2.782 MB / 0.7651 GB, free: 155.4 MB / 0.5762 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.017e-05/0.8907, allocations: 63.88 kB / 0.7652 GB, free: 155.4 MB / 0.5762 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.009118/0.8998, allocations: 5.497 MB / 0.7705 GB, free: 153.4 MB / 0.5762 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004897/0.9004, allocations: 52.88 kB / 0.7706 GB, free: 153.4 MB / 0.5762 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001663/0.902, allocations: 2.041 MB / 0.7726 GB, free: 151.8 MB / 0.5762 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0003794/0.9024, allocations: 302.9 kB / 0.7729 GB, free: 151.6 MB / 0.5762 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009828/0.9034, allocations: 0.7074 MB / 0.7736 GB, free: 151.3 MB / 0.5762 GB
Notification: Performance of setup shared object (initialization): time 4.06e-05/0.9035, allocations: 301.9 kB / 0.7739 GB, free: 151 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003272/0.9067, allocations: 2.03 MB / 0.7758 GB, free: 150.3 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003594/0.9103, allocations: 2.916 MB / 0.7787 GB, free: 148.6 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006737/0.9171, allocations: 4.586 MB / 0.7832 GB, free: 146.4 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.277e-05/0.9172, allocations: 10.81 kB / 0.7832 GB, free: 146.4 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=402) (initialization): time 0.009477/0.9266, allocations: 5.575 MB / 0.7886 GB, free: 144.3 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 3.507e-05/0.9267, allocations: 16 kB / 0.7886 GB, free: 144.3 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.335e-05/0.9267, allocations: 23.66 kB / 0.7887 GB, free: 144.3 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0007499/0.9275, allocations: 413.2 kB / 0.7891 GB, free: 144.1 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002096/0.9296, allocations: 0.5835 MB / 0.7896 GB, free: 144.1 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006509/0.9303, allocations: 0.9005 MB / 0.7905 GB, free: 143.4 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003688/0.934, allocations: 398.8 kB / 0.7909 GB, free: 143.2 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002669/0.9342, allocations: 155.4 kB / 0.791 GB, free: 143.2 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004214/0.9385, allocations: 2.849 MB / 0.7938 GB, free: 141.7 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002859/0.9413, allocations: 2.687 MB / 0.7964 GB, free: 139.7 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004681/0.946, allocations: 4.142 MB / 0.8005 GB, free: 136.3 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.078e-05/0.9461, allocations: 8 kB / 0.8005 GB, free: 136.2 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=402) (initialization_lambda0): time 0.007471/0.9535, allocations: 5.16 MB / 0.8055 GB, free: 131.1 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 2.096e-05/0.9536, allocations: 15.94 kB / 0.8055 GB, free: 131.1 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.094e-05/0.9536, allocations: 27.12 kB / 0.8056 GB, free: 131.1 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0008831/0.9545, allocations: 448.2 kB / 0.806 GB, free: 130.6 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001867/0.9564, allocations: 0.5613 MB / 0.8065 GB, free: 130.1 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006163/0.9625, allocations: 6.127 MB / 0.8125 GB, free: 123.8 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003684/0.9662, allocations: 313.3 kB / 0.8128 GB, free: 123.5 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003046/0.9666, allocations: 144 kB / 0.813 GB, free: 123.4 MB / 0.5762 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 97
 * 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 (281):
 * Single equations (assignments): 274
 * Array equations: 3
 * Algorithm blocks: 0
 * Record equations: 3
 * 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 0.0005524/0.9671, allocations: 313.8 kB / 0.8133 GB, free: 123.1 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007485/0.9679, allocations: 438.1 kB / 0.8137 GB, free: 122.6 MB / 0.5762 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005189/0.9731, allocations: 2.478 MB / 0.8161 GB, free: 120.2 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.285e-05/0.9731, allocations: 12 kB / 0.8161 GB, free: 120.2 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.447e-06/0.9731, allocations: 0 / 0.8161 GB, free: 120.2 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.003e-05/0.9731, allocations: 7.984 kB / 0.8161 GB, free: 120.2 MB / 0.5762 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.008782/0.9819, allocations: 5.134 MB / 0.8211 GB, free: 115 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.262e-06/0.9819, allocations: 0 / 0.8211 GB, free: 115 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001306/0.9833, allocations: 271.7 kB / 0.8214 GB, free: 114.7 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0002906/0.9836, allocations: 160.8 kB / 0.8215 GB, free: 114.5 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.133e-05/0.9836, allocations: 33.94 kB / 0.8216 GB, free: 114.5 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004478/0.9841, allocations: 0.8138 MB / 0.8224 GB, free: 113.7 MB / 0.5762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.134e-06/0.9841, allocations: 3.938 kB / 0.8224 GB, free: 113.7 MB / 0.5762 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00647/0.9906, allocations: 3.404 MB / 0.8257 GB, free: 110.2 MB / 0.5762 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001845/0.9925, allocations: 0.7409 MB / 0.8264 GB, free: 109.5 MB / 0.5762 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005611/0.993, allocations: 16 kB / 0.8264 GB, free: 109.4 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001817/0.9948, allocations: 147.7 kB / 0.8266 GB, free: 109.3 MB / 0.5762 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001188/0.995, allocations: 72.84 kB / 0.8267 GB, free: 109.2 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001086/0.9951, allocations: 55.94 kB / 0.8267 GB, free: 109.2 MB / 0.5762 GB
Notification: Performance of sorting global known variables: time 0.004262/0.9994, allocations: 3.711 MB / 0.8303 GB, free: 105.5 MB / 0.5762 GB
Notification: Performance of sort global known variables: time 1.5e-07/0.9994, allocations: 0 / 0.8303 GB, free: 105.5 MB / 0.5762 GB
Notification: Performance of remove unused functions: time 0.004275/1.004, allocations: 1.929 MB / 0.8322 GB, free: 103.6 MB / 0.5762 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 3 (ddp_dm_flow.x,ddp_dy.x,dm_flow_dy.x)
 * 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 (96):
 * Single equations (assignments): 87
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 8
 * 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
   {(1,5)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001423/1.005, allocations: 0.8104 MB / 0.833 GB, free: 102.9 MB / 0.5762 GB
Notification: Performance of simCode: created initialization part: time 0.007946/1.013, allocations: 5.757 MB / 0.8386 GB, free: 97.13 MB / 0.5762 GB
Notification: Performance of simCode: created event and clocks part: time 4.949e-06/1.013, allocations: 4.312 kB / 0.8386 GB, free: 97.12 MB / 0.5762 GB
Notification: Performance of simCode: created simulation system equations: time 0.001822/1.015, allocations: 0.8764 MB / 0.8395 GB, free: 96.25 MB / 0.5762 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007327/1.022, allocations: 2.418 MB / 0.8418 GB, free: 93.95 MB / 0.5762 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01279/1.035, allocations: 7.843 MB / 0.8495 GB, free: 86.07 MB / 0.5762 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00174/1.037, allocations: 2.671 MB / 0.8521 GB, free: 83.37 MB / 0.5762 GB
Notification: Performance of simCode: alias equations: time 0.00415/1.041, allocations: 1.212 MB / 0.8533 GB, free: 82.15 MB / 0.5762 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009792/1.042, allocations: 347.3 kB / 0.8536 GB, free: 81.81 MB / 0.5762 GB
Notification: Performance of SimCode: time 6.32e-07/1.042, allocations: 0 / 0.8536 GB, free: 81.81 MB / 0.5762 GB
Notification: Performance of Templates: time 0.1171/1.159, allocations: 94.08 MB / 0.9455 GB, free: 4.766 MB / 0.5919 GB
make -j1 -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives.makefile
(rm -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives.sim & ./IBPSA_latest_IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives  -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Movers.Validation.PumpCurveDerivatives.pipe 2>&1)