Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.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.FixedResistances.Validation.PressureDropsSeries,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries")
translateModel(IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001249/0.001249, allocations: 114.2 kB / 17.02 MB, free: 5.707 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001128/0.001128, allocations: 196.1 kB / 17.97 MB, free: 5.113 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.314/1.314, allocations: 222.9 MB / 241.7 MB, free: 15.19 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7022/0.7022, allocations: 115.1 MB / 406.9 MB, free: 6.359 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001372/0.001372, allocations: 67.89 kB / 494.8 MB, free: 15.9 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3652/0.3666, allocations: 76.14 MB / 0.5576 GB, free: 36.7 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries): time 0.1702/0.5369, allocations: 161.5 MB / 0.7153 GB, free: 2.508 MB / 0.545 GB
Notification: Performance of NFInst.instExpressions: time 0.002826/0.5397, allocations: 1.714 MB / 0.717 GB, free: 0.793 MB / 0.545 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0003826/0.5401, allocations: 15.88 kB / 0.717 GB, free: 0.7773 MB / 0.545 GB
Notification: Performance of NFTyping.typeComponents: time 0.0005801/0.5408, allocations: 158.9 kB / 0.7171 GB, free: 0.6211 MB / 0.545 GB
Notification: Performance of NFTyping.typeBindings: time 0.001297/0.5421, allocations: 0.5172 MB / 0.7176 GB, free: 104 kB / 0.545 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001216/0.5433, allocations: 430.3 kB / 0.718 GB, free: 15.69 MB / 0.5606 GB
Notification: Performance of NFFlatten.flatten: time 0.002494/0.5458, allocations: 2.453 MB / 0.7204 GB, free: 13.23 MB / 0.5606 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001238/0.5471, allocations: 0.941 MB / 0.7214 GB, free: 12.27 MB / 0.5606 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00196/0.549, allocations: 0.9341 MB / 0.7223 GB, free: 11.34 MB / 0.5606 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.001576/0.5506, allocations: 0.704 MB / 0.723 GB, free: 10.63 MB / 0.5606 GB
Notification: Performance of NFPackage.collectConstants: time 0.000218/0.5509, allocations: 56 kB / 0.723 GB, free: 10.57 MB / 0.5606 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001936/0.5528, allocations: 0.7406 MB / 0.7237 GB, free: 9.832 MB / 0.5606 GB
Notification: Performance of NFScalarize.scalarize: time 0.0003511/0.5532, allocations: 310.9 kB / 0.724 GB, free: 9.527 MB / 0.5606 GB
Notification: Performance of NFVerifyModel.verify: time 0.0007012/0.5539, allocations: 0.5362 MB / 0.7246 GB, free: 8.988 MB / 0.5606 GB
Notification: Performance of NFConvertDAE.convert: time 0.001781/0.5557, allocations: 1.415 MB / 0.7259 GB, free: 7.57 MB / 0.5606 GB
Notification: Performance of FrontEnd - DAE generated: time 8.365e-06/0.5557, allocations: 0 / 0.7259 GB, free: 7.57 MB / 0.5606 GB
Notification: Performance of FrontEnd: time 2.434e-06/0.5557, allocations: 0 / 0.7259 GB, free: 7.57 MB / 0.5606 GB
Notification: Performance of Transformations before backend: time 1.772e-05/0.5557, allocations: 0 / 0.7259 GB, free: 7.57 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: 122
 * Number of variables: 122
Notification: Performance of Generate backend data structure: time 0.002205/0.5579, allocations: 1.4 MB / 0.7273 GB, free: 6.117 MB / 0.5606 GB
Notification: Performance of prepare preOptimizeDAE: time 4.198e-05/0.558, allocations: 8.031 kB / 0.7273 GB, free: 6.109 MB / 0.5606 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007305/0.5587, allocations: 186.4 kB / 0.7275 GB, free: 5.926 MB / 0.5606 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001356/0.5601, allocations: 0.8451 MB / 0.7283 GB, free: 5.039 MB / 0.5606 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.344e-05/0.5601, allocations: 45 kB / 0.7284 GB, free: 4.996 MB / 0.5606 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 8.065e-05/0.5602, allocations: 56 kB / 0.7284 GB, free: 4.941 MB / 0.5606 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.000998/0.5612, allocations: 0.69 MB / 0.7291 GB, free: 4.23 MB / 0.5606 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.224e-05/0.5613, allocations: 0 / 0.7291 GB, free: 4.23 MB / 0.5606 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.594e-05/0.5613, allocations: 20 kB / 0.7291 GB, free: 4.211 MB / 0.5606 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.127e-05/0.5613, allocations: 12 kB / 0.7291 GB, free: 4.199 MB / 0.5606 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007867/0.5621, allocations: 0.5191 MB / 0.7296 GB, free: 3.684 MB / 0.5606 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 0.003444/0.5656, allocations: 3.241 MB / 0.7328 GB, free: 72 kB / 0.5606 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0005755/0.5662, allocations: 391.1 kB / 0.7332 GB, free: 15.68 MB / 0.5762 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003269/0.5665, allocations: 240.9 kB / 0.7334 GB, free: 15.44 MB / 0.5762 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003003/0.5668, allocations: 202.2 kB / 0.7336 GB, free: 15.21 MB / 0.5762 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.27e-05/0.5668, allocations: 30.56 kB / 0.7336 GB, free: 15.17 MB / 0.5762 GB
Notification: Performance of pre-optimization done (n=28): time 1.483e-06/0.5669, allocations: 0 / 0.7336 GB, free: 15.17 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=28): time 0.004466/0.5713, allocations: 1.481 MB / 0.7351 GB, free: 13.66 MB / 0.5762 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.802e-05/0.5714, allocations: 59.41 kB / 0.7351 GB, free: 13.59 MB / 0.5762 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00125/0.5726, allocations: 1.065 MB / 0.7362 GB, free: 12.5 MB / 0.5762 GB
Notification: Performance of collectPreVariables (initialization): time 4.034e-05/0.5727, allocations: 33.7 kB / 0.7362 GB, free: 12.46 MB / 0.5762 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003272/0.573, allocations: 440.4 kB / 0.7366 GB, free: 12.03 MB / 0.5762 GB
Notification: Performance of collectInitialBindings (initialization): time 7.454e-05/0.5731, allocations: 102.6 kB / 0.7367 GB, free: 11.93 MB / 0.5762 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001162/0.5732, allocations: 69.61 kB / 0.7368 GB, free: 11.85 MB / 0.5762 GB
Notification: Performance of setup shared object (initialization): time 0.0001024/0.5733, allocations: 321.9 kB / 0.7371 GB, free: 11.53 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002683/0.5736, allocations: 172.5 kB / 0.7372 GB, free: 11.36 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.000406/0.574, allocations: 356.5 kB / 0.7376 GB, free: 10.94 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0005411/0.5746, allocations: 385.5 kB / 0.7379 GB, free: 10.55 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.056e-06/0.5746, allocations: 4 kB / 0.738 GB, free: 10.55 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=28) (initialization): time 0.001875/0.5765, allocations: 0.8049 MB / 0.7387 GB, free: 9.734 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 1.726e-05/0.5765, allocations: 4 kB / 0.7387 GB, free: 9.73 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.684e-06/0.5765, allocations: 4 kB / 0.7387 GB, free: 9.727 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001404/0.5779, allocations: 360.4 kB / 0.7391 GB, free: 9.371 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001158/0.578, allocations: 15.98 kB / 0.7391 GB, free: 9.355 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000968/0.579, allocations: 1.003 MB / 0.7401 GB, free: 8.328 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004581/0.5795, allocations: 55.73 kB / 0.7401 GB, free: 8.273 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.645e-05/0.5795, allocations: 12 kB / 0.7401 GB, free: 8.262 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005534/0.5801, allocations: 451.8 kB / 0.7406 GB, free: 7.816 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003576/0.5805, allocations: 310.8 kB / 0.7409 GB, free: 7.441 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004358/0.5809, allocations: 313.4 kB / 0.7412 GB, free: 7.125 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.543e-06/0.5809, allocations: 0 / 0.7412 GB, free: 7.125 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=28) (initialization_lambda0): time 0.001084/0.582, allocations: 0.6001 MB / 0.7418 GB, free: 6.516 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 1.039e-05/0.582, allocations: 4 kB / 0.7418 GB, free: 6.512 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.615e-06/0.582, allocations: 0 / 0.7418 GB, free: 6.512 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0004939/0.5825, allocations: 204.8 kB / 0.742 GB, free: 6.309 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 9.978e-05/0.5826, allocations: 19.92 kB / 0.742 GB, free: 6.289 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003583/0.5862, allocations: 3.303 MB / 0.7452 GB, free: 2.832 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005137/0.5868, allocations: 40.5 kB / 0.7452 GB, free: 2.793 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.66e-05/0.5868, allocations: 8 kB / 0.7452 GB, free: 2.785 MB / 0.5762 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 4
 * 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 (9):
 * Single equations (assignments): 8
 * Array equations: 0
 * Algorithm blocks: 0
 * 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
   {(1,19)}
Notification: Performance of prepare postOptimizeDAE: time 0.0001828/0.587, allocations: 196.3 kB / 0.7454 GB, free: 2.586 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001296/0.5871, allocations: 102.7 kB / 0.7455 GB, free: 2.484 MB / 0.5762 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001208/0.5883, allocations: 0.7065 MB / 0.7462 GB, free: 1.77 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.659e-06/0.5884, allocations: 11.94 kB / 0.7462 GB, free: 1.758 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.133e-06/0.5884, allocations: 0 / 0.7462 GB, free: 1.758 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.942e-06/0.5884, allocations: 3.984 kB / 0.7462 GB, free: 1.754 MB / 0.5762 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002259/0.5906, allocations: 1.495 MB / 0.7477 GB, free: 184 kB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.456e-06/0.5907, allocations: 4 kB / 0.7477 GB, free: 180 kB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001029/0.5908, allocations: 19.98 kB / 0.7477 GB, free: 160 kB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.2329/0.8237, allocations: 218.6 kB / 0.7479 GB, free: 174.7 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.529e-05/0.8238, allocations: 8.781 kB / 0.7479 GB, free: 174.7 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001064/0.8249, allocations: 0.9792 MB / 0.7489 GB, free: 174.2 MB / 0.5762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.093e-06/0.8249, allocations: 9.938 kB / 0.7489 GB, free: 174.2 MB / 0.5762 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001315/0.8262, allocations: 0.7963 MB / 0.7497 GB, free: 174 MB / 0.5762 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0003787/0.8266, allocations: 210.5 kB / 0.7499 GB, free: 173.9 MB / 0.5762 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001016/0.8267, allocations: 12.42 kB / 0.7499 GB, free: 173.9 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003444/0.8271, allocations: 18.03 kB / 0.7499 GB, free: 173.9 MB / 0.5762 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 7.779e-05/0.8272, allocations: 28.55 kB / 0.7499 GB, free: 173.9 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.343e-05/0.8272, allocations: 10.8 kB / 0.75 GB, free: 173.9 MB / 0.5762 GB
Notification: Performance of sorting global known variables: time 0.0011/0.8283, allocations: 0.7715 MB / 0.7507 GB, free: 173.6 MB / 0.5762 GB
Notification: Performance of sort global known variables: time 1.71e-07/0.8283, allocations: 0 / 0.7507 GB, free: 173.6 MB / 0.5762 GB
Notification: Performance of remove unused functions: time 0.001131/0.8295, allocations: 397.9 kB / 0.7511 GB, free: 173.6 MB / 0.5762 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 8
 * 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 simulation (9):
 * Single equations (assignments): 8
 * Array equations: 0
 * Algorithm blocks: 0
 * 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
   {(1,19)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0004071/0.8299, allocations: 167.8 kB / 0.7512 GB, free: 173.5 MB / 0.5762 GB
Notification: Performance of simCode: created initialization part: time 0.001459/0.8313, allocations: 0.7549 MB / 0.752 GB, free: 173.2 MB / 0.5762 GB
Notification: Performance of simCode: created event and clocks part: time 3.567e-06/0.8314, allocations: 1.688 kB / 0.752 GB, free: 173.2 MB / 0.5762 GB
Notification: Performance of simCode: created simulation system equations: time 0.0004603/0.8318, allocations: 216.4 kB / 0.7522 GB, free: 173.2 MB / 0.5762 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001821/0.8336, allocations: 490 kB / 0.7527 GB, free: 173.1 MB / 0.5762 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002766/0.8364, allocations: 1.693 MB / 0.7543 GB, free: 172.3 MB / 0.5762 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008055/0.8372, allocations: 1.175 MB / 0.7555 GB, free: 171.6 MB / 0.5762 GB
Notification: Performance of simCode: alias equations: time 0.0005619/0.8378, allocations: 206 kB / 0.7557 GB, free: 171.6 MB / 0.5762 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001019/0.8379, allocations: 58.81 kB / 0.7557 GB, free: 171.6 MB / 0.5762 GB
Notification: Performance of SimCode: time 4e-07/0.8379, allocations: 2.469 kB / 0.7557 GB, free: 171.6 MB / 0.5762 GB
Notification: Performance of Templates: time 0.03305/0.871, allocations: 19.73 MB / 0.775 GB, free: 165.7 MB / 0.5762 GB
make -j1 -f IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.makefile
(rm -f IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.sim & ./IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries  -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe 2>&1)