Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.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/BuildSysPro 3.6.0/package.mo", uses=false)
Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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(BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams")
translateModel(BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001019/0.001019, allocations: 98.88 kB / 16.02 MB, free: 76 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009782/0.000978, allocations: 185.6 kB / 16.93 MB, free: 6.684 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.375/1.375, allocations: 223.3 MB / 241 MB, free: 5.348 MB / 190.1 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 0.9979/0.9979, allocations: 143.2 MB / 435.3 MB, free: 13.6 MB / 350.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.0003475/0.0003475, allocations: 8 kB / 0.517 GB, free: 11.16 MB / 430.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1752/0.1755, allocations: 83.41 MB / 0.5985 GB, free: 7.719 MB / 0.4981 GB
Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams): time 0.5114/0.687, allocations: 209.3 MB / 0.8029 GB, free: 10.69 MB / 0.6231 GB
Notification: Performance of NFInst.instExpressions: time 0.01611/0.7031, allocations: 7.08 MB / 0.8098 GB, free: 3.59 MB / 0.6231 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002148/0.7053, allocations: 35.75 kB / 0.8099 GB, free: 3.555 MB / 0.6231 GB
Notification: Performance of NFTyping.typeComponents: time 0.002751/0.7081, allocations: 0.6489 MB / 0.8105 GB, free: 2.902 MB / 0.6231 GB
Notification: Performance of NFTyping.typeBindings: time 0.008708/0.7168, allocations: 2.363 MB / 0.8128 GB, free: 0.5312 MB / 0.6231 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004029/0.7209, allocations: 1.055 MB / 0.8138 GB, free: 15.5 MB / 0.6387 GB
Notification: Performance of NFFlatten.flatten: time 0.006802/0.7277, allocations: 3.762 MB / 0.8175 GB, free: 11.73 MB / 0.6387 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002129/0.7299, allocations: 0.8909 MB / 0.8184 GB, free: 10.82 MB / 0.6387 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.005768/0.7357, allocations: 1.763 MB / 0.8201 GB, free: 9.051 MB / 0.6387 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002741/0.7384, allocations: 0.912 MB / 0.821 GB, free: 8.141 MB / 0.6387 GB
Notification: Performance of NFPackage.collectConstants: time 0.0002518/0.7387, allocations: 44 kB / 0.821 GB, free: 8.098 MB / 0.6387 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.007218/0.7459, allocations: 2.802 MB / 0.8238 GB, free: 5.289 MB / 0.6387 GB
Notification: Performance of NFScalarize.scalarize: time 0.0007451/0.7467, allocations: 346.7 kB / 0.8241 GB, free: 4.949 MB / 0.6387 GB
Notification: Performance of NFVerifyModel.verify: time 0.0012/0.7479, allocations: 0.6273 MB / 0.8247 GB, free: 4.312 MB / 0.6387 GB
Notification: Performance of NFConvertDAE.convert: time 0.003627/0.7516, allocations: 1.882 MB / 0.8265 GB, free: 2.426 MB / 0.6387 GB
Notification: Performance of FrontEnd - DAE generated: time 3.397e-06/0.7516, allocations: 0 / 0.8265 GB, free: 2.426 MB / 0.6387 GB
Notification: Performance of FrontEnd: time 1.582e-06/0.7516, allocations: 4 kB / 0.8265 GB, free: 2.422 MB / 0.6387 GB
Notification: Performance of Transformations before backend: time 2.096e-05/0.7516, allocations: 0 / 0.8265 GB, free: 2.422 MB / 0.6387 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 209
 * Number of variables: 209
Notification: Performance of Generate backend data structure: time 0.005891/0.7575, allocations: 1.598 MB / 0.8281 GB, free: 0.7656 MB / 0.6387 GB
Notification: Performance of prepare preOptimizeDAE: time 4.856e-05/0.7576, allocations: 8.031 kB / 0.8281 GB, free: 0.7578 MB / 0.6387 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004678/0.7623, allocations: 0.5916 MB / 0.8287 GB, free: 168 kB / 0.6387 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002673/0.765, allocations: 0.9602 MB / 0.8296 GB, free: 15.16 MB / 0.6544 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000954/0.766, allocations: 193.9 kB / 0.8298 GB, free: 14.97 MB / 0.6544 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002743/0.7663, allocations: 87.98 kB / 0.8299 GB, free: 14.89 MB / 0.6544 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.004431/0.7707, allocations: 1.268 MB / 0.8311 GB, free: 13.61 MB / 0.6544 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.763e-05/0.7708, allocations: 0 / 0.8311 GB, free: 13.61 MB / 0.6544 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000174/0.7709, allocations: 35.98 kB / 0.8312 GB, free: 13.58 MB / 0.6544 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.979e-05/0.771, allocations: 49.98 kB / 0.8312 GB, free: 13.53 MB / 0.6544 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005181/0.7762, allocations: 1.612 MB / 0.8328 GB, free: 11.91 MB / 0.6544 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 0.006701/0.783, allocations: 4.112 MB / 0.8368 GB, free: 7.527 MB / 0.6544 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.002583/0.7856, allocations: 1.048 MB / 0.8378 GB, free: 6.469 MB / 0.6544 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001556/0.7871, allocations: 0.6988 MB / 0.8385 GB, free: 5.766 MB / 0.6544 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001089/0.7882, allocations: 0.636 MB / 0.8391 GB, free: 5.02 MB / 0.6544 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.646e-05/0.7883, allocations: 39.22 kB / 0.8392 GB, free: 4.973 MB / 0.6544 GB
Notification: Performance of pre-optimization done (n=76): time 3.096e-06/0.7883, allocations: 0 / 0.8392 GB, free: 4.973 MB / 0.6544 GB
Notification: Performance of matching and sorting (n=76): time 0.005054/0.7934, allocations: 1.921 MB / 0.841 GB, free: 3.043 MB / 0.6544 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.719e-05/0.7935, allocations: 64.06 kB / 0.8411 GB, free: 2.969 MB / 0.6544 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001059/0.7945, allocations: 0.8271 MB / 0.8419 GB, free: 2.117 MB / 0.6544 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001101/0.7946, allocations: 37.7 kB / 0.842 GB, free: 2.074 MB / 0.6544 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003436/0.795, allocations: 440.5 kB / 0.8424 GB, free: 1.637 MB / 0.6544 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0002147/0.7952, allocations: 264.2 kB / 0.8426 GB, free: 1.375 MB / 0.6544 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001152/0.7953, allocations: 61.69 kB / 0.8427 GB, free: 1.309 MB / 0.6544 GB
Notification: Performance of setup shared object (initialization): time 0.000112/0.7955, allocations: 334 kB / 0.843 GB, free: 0.9766 MB / 0.6544 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001717/0.7972, allocations: 0.5641 MB / 0.8436 GB, free: 424 kB / 0.6544 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001578/0.7988, allocations: 0.7028 MB / 0.8442 GB, free: 15.68 MB / 0.67 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.002978/0.8018, allocations: 1.221 MB / 0.8454 GB, free: 14.44 MB / 0.67 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.476e-06/0.8018, allocations: 3.938 kB / 0.8454 GB, free: 14.43 MB / 0.67 GB
Notification: Performance of matching and sorting (n=87) (initialization): time 0.003615/0.8054, allocations: 1.435 MB / 0.8468 GB, free: 12.98 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001167/0.8055, allocations: 156.8 kB / 0.847 GB, free: 12.81 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.947e-06/0.8055, allocations: 3.984 kB / 0.847 GB, free: 12.8 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.062e-05/0.8056, allocations: 7.984 kB / 0.847 GB, free: 12.8 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001676/0.8073, allocations: 280.1 kB / 0.8473 GB, free: 12.52 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007359/0.808, allocations: 1.192 MB / 0.8484 GB, free: 11.29 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001333/0.8093, allocations: 199 kB / 0.8486 GB, free: 11.09 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.381e-05/0.8095, allocations: 35.98 kB / 0.8487 GB, free: 11.06 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 7.494e-06/0.8095, allocations: 3.938 kB / 0.8487 GB, free: 11.05 MB / 0.67 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.00331/0.8128, allocations: 1.321 MB / 0.8499 GB, free: 9.727 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.232e-06/0.8128, allocations: 0 / 0.8499 GB, free: 9.727 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.031e-05/0.8128, allocations: 8 kB / 0.85 GB, free: 9.719 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001251/0.8141, allocations: 263.6 kB / 0.8502 GB, free: 9.461 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.191e-05/0.8141, allocations: 5.25 kB / 0.8502 GB, free: 9.457 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001374/0.8155, allocations: 195.1 kB / 0.8504 GB, free: 9.266 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.182e-05/0.8156, allocations: 27.98 kB / 0.8504 GB, free: 9.238 MB / 0.67 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 5
 * Number of states: 0 ()
 * Number of discrete variables: 2 (hex.i2_w,hex.i1_w)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (86):
 * Single equations (assignments): 83
 * Array equations: 0
 * Algorithm blocks: 1
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 2
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 2 systems
   {1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.0006381/0.8162, allocations: 374.2 kB / 0.8508 GB, free: 8.863 MB / 0.67 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002049/0.8164, allocations: 102.8 kB / 0.8509 GB, free: 8.762 MB / 0.67 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003617/0.8201, allocations: 1.441 MB / 0.8523 GB, free: 7.309 MB / 0.67 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.947e-06/0.8201, allocations: 8 kB / 0.8523 GB, free: 7.301 MB / 0.67 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.851e-06/0.8201, allocations: 0 / 0.8523 GB, free: 7.301 MB / 0.67 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.032e-05/0.8201, allocations: 3.984 kB / 0.8523 GB, free: 7.297 MB / 0.67 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005637/0.8258, allocations: 2.923 MB / 0.8551 GB, free: 4.27 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.256e-06/0.8258, allocations: 4.469 kB / 0.8552 GB, free: 4.266 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001285/0.8271, allocations: 256.2 kB / 0.8554 GB, free: 4.016 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.075e-05/0.8271, allocations: 8 kB / 0.8554 GB, free: 4.008 MB / 0.67 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.586e-05/0.8272, allocations: 27.92 kB / 0.8554 GB, free: 3.98 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005583/0.8278, allocations: 1.184 MB / 0.8566 GB, free: 2.75 MB / 0.67 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.701e-06/0.8278, allocations: 4.969 kB / 0.8566 GB, free: 2.746 MB / 0.67 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003418/0.8312, allocations: 1.545 MB / 0.8581 GB, free: 1.137 MB / 0.67 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.000529/0.8317, allocations: 315.4 kB / 0.8584 GB, free: 0.8086 MB / 0.67 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001303/0.8319, allocations: 16 kB / 0.8584 GB, free: 0.793 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00125/0.8331, allocations: 159.9 kB / 0.8586 GB, free: 0.6367 MB / 0.67 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001431/0.8333, allocations: 64.36 kB / 0.8586 GB, free: 0.5742 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.183e-05/0.8334, allocations: 39.91 kB / 0.8587 GB, free: 0.5352 MB / 0.67 GB
Notification: Performance of sorting global known variables: time 0.3332/1.167, allocations: 0.5657 MB / 0.8592 GB, free: 209.5 MB / 0.67 GB
Notification: Performance of sort global known variables: time 7.32e-07/1.167, allocations: 0 / 0.8592 GB, free: 209.5 MB / 0.67 GB
Notification: Performance of remove unused functions: time 0.001862/1.169, allocations: 0.5386 MB / 0.8597 GB, free: 209.5 MB / 0.67 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 16
 * 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 (76):
 * Single equations (assignments): 74
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 2
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 2 systems
   {1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of Backend phase and start with SimCode phase: time 0.0006334/1.169, allocations: 276.7 kB / 0.86 GB, free: 209.4 MB / 0.67 GB
Notification: Performance of simCode: created initialization part: time 0.0052/1.174, allocations: 2.151 MB / 0.8621 GB, free: 209.3 MB / 0.67 GB
Notification: Performance of simCode: created event and clocks part: time 8.626e-06/1.174, allocations: 5.859 kB / 0.8621 GB, free: 209.3 MB / 0.67 GB
Notification: Performance of simCode: created simulation system equations: time 0.001705/1.176, allocations: 0.7047 MB / 0.8628 GB, free: 209.3 MB / 0.67 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003193/1.179, allocations: 0.5148 MB / 0.8633 GB, free: 209.3 MB / 0.67 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004449/1.184, allocations: 2.611 MB / 0.8659 GB, free: 208.1 MB / 0.67 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005187/1.184, allocations: 1.098 MB / 0.8669 GB, free: 207.4 MB / 0.67 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004933/1.185, allocations: 102.1 kB / 0.867 GB, free: 207.4 MB / 0.67 GB
Notification: Performance of SimCode: time 1.222e-06/1.185, allocations: 0 / 0.867 GB, free: 207.4 MB / 0.67 GB
Notification: Performance of Templates: time 0.03754/1.222, allocations: 26.79 MB / 0.8932 GB, free: 205 MB / 0.67 GB
make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.makefile
(rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams  -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe 2>&1)