Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.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.Movers.BaseClasses.Validation.FlowMachineInterface,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface")
translateModel(BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.005427/0.005427, allocations: 102.7 kB / 15.73 MB, free: 6.031 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001085/0.001085, allocations: 190.1 kB / 16.67 MB, free: 5.953 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.303/1.303, allocations: 222.9 MB / 240.3 MB, free: 15.14 MB / 206.1 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 0.8295/0.8295, allocations: 143.1 MB / 433.6 MB, free: 11.98 MB / 350.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001169/0.001169, allocations: 59.91 kB / 0.5955 GB, free: 12.29 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1608/0.1619, allocations: 82.04 MB / 0.6756 GB, free: 10.34 MB / 0.5137 GB
Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface): time 0.003357/0.1653, allocations: 2.359 MB / 0.6779 GB, free: 7.969 MB / 0.5137 GB
Notification: Performance of NFInst.instExpressions: time 0.005637/0.171, allocations: 3.818 MB / 0.6817 GB, free: 4.129 MB / 0.5137 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.000188/0.1712, allocations: 11.88 kB / 0.6817 GB, free: 4.117 MB / 0.5137 GB
Notification: Performance of NFTyping.typeComponents: time 0.002584/0.1738, allocations: 1.054 MB / 0.6827 GB, free: 3.062 MB / 0.5137 GB
Notification: Performance of NFTyping.typeBindings: time 0.0007219/0.1745, allocations: 418.4 kB / 0.6831 GB, free: 2.652 MB / 0.5137 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0009165/0.1755, allocations: 0.5146 MB / 0.6836 GB, free: 2.137 MB / 0.5137 GB
Notification: Performance of NFFlatten.flatten: time 0.004342/0.1798, allocations: 3.167 MB / 0.6867 GB, free: 14.96 MB / 0.5294 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0001813/0.18, allocations: 44.73 kB / 0.6867 GB, free: 14.92 MB / 0.5294 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0004042/0.1804, allocations: 235.2 kB / 0.687 GB, free: 14.69 MB / 0.5294 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0003547/0.1808, allocations: 223.1 kB / 0.6872 GB, free: 14.47 MB / 0.5294 GB
Notification: Performance of NFPackage.collectConstants: time 5.923e-05/0.1808, allocations: 20 kB / 0.6872 GB, free: 14.45 MB / 0.5294 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001129/0.182, allocations: 0.7486 MB / 0.6879 GB, free: 13.7 MB / 0.5294 GB
Notification: Performance of NFScalarize.scalarize: time 0.0002245/0.1822, allocations: 211.4 kB / 0.6881 GB, free: 13.5 MB / 0.5294 GB
Notification: Performance of NFVerifyModel.verify: time 0.0002628/0.1825, allocations: 254.5 kB / 0.6884 GB, free: 13.25 MB / 0.5294 GB
Notification: Performance of NFConvertDAE.convert: time 0.001421/0.1839, allocations: 1.059 MB / 0.6894 GB, free: 12.18 MB / 0.5294 GB
Notification: Performance of FrontEnd - DAE generated: time 3.828e-06/0.1839, allocations: 0 / 0.6894 GB, free: 12.18 MB / 0.5294 GB
Notification: Performance of FrontEnd: time 1.242e-06/0.1839, allocations: 0 / 0.6894 GB, free: 12.18 MB / 0.5294 GB
Notification: Performance of Transformations before backend: time 1.158e-05/0.184, allocations: 0 / 0.6894 GB, free: 12.18 MB / 0.5294 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 21
 * Number of variables: 21
Notification: Performance of Generate backend data structure: time 0.001392/0.1854, allocations: 0.9021 MB / 0.6903 GB, free: 11.23 MB / 0.5294 GB
Notification: Performance of prepare preOptimizeDAE: time 3.438e-05/0.1854, allocations: 8.031 kB / 0.6903 GB, free: 11.22 MB / 0.5294 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001207/0.1866, allocations: 220 kB / 0.6905 GB, free: 11.01 MB / 0.5294 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001838/0.1885, allocations: 0.9768 MB / 0.6915 GB, free: 9.988 MB / 0.5294 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.987e-05/0.1885, allocations: 8.562 kB / 0.6915 GB, free: 9.98 MB / 0.5294 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.211e-05/0.1885, allocations: 19.94 kB / 0.6915 GB, free: 9.961 MB / 0.5294 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005205/0.1891, allocations: 249.5 kB / 0.6917 GB, free: 9.711 MB / 0.5294 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.089e-05/0.1891, allocations: 3.938 kB / 0.6917 GB, free: 9.707 MB / 0.5294 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.534e-05/0.1891, allocations: 11.92 kB / 0.6917 GB, free: 9.695 MB / 0.5294 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.251e-06/0.1891, allocations: 8 kB / 0.6917 GB, free: 9.688 MB / 0.5294 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006108/0.1897, allocations: 243.7 kB / 0.692 GB, free: 9.449 MB / 0.5294 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001202/0.191, allocations: 0.8241 MB / 0.6928 GB, free: 8.574 MB / 0.5294 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0006432/0.1916, allocations: 302.4 kB / 0.6931 GB, free: 8.27 MB / 0.5294 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003174/0.1919, allocations: 124.8 kB / 0.6932 GB, free: 8.145 MB / 0.5294 GB
Notification: Performance of preOpt evalFunc (simulation): time 2.684e-05/0.192, allocations: 4 kB / 0.6932 GB, free: 8.141 MB / 0.5294 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.339e-05/0.192, allocations: 34.55 kB / 0.6932 GB, free: 8.098 MB / 0.5294 GB
Notification: Performance of pre-optimization done (n=10): time 1.423e-06/0.192, allocations: 4 kB / 0.6932 GB, free: 8.094 MB / 0.5294 GB
Notification: Performance of matching and sorting (n=10): time 0.001096/0.1931, allocations: 436.7 kB / 0.6936 GB, free: 7.66 MB / 0.5294 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.312e-05/0.1932, allocations: 55.41 kB / 0.6937 GB, free: 7.594 MB / 0.5294 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007556/0.1939, allocations: 0.7576 MB / 0.6944 GB, free: 6.828 MB / 0.5294 GB
Notification: Performance of collectPreVariables (initialization): time 3.729e-05/0.194, allocations: 33.7 kB / 0.6945 GB, free: 6.789 MB / 0.5294 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0001657/0.1941, allocations: 228.6 kB / 0.6947 GB, free: 6.562 MB / 0.5294 GB
Notification: Performance of collectInitialBindings (initialization): time 4.323e-05/0.1942, allocations: 43.53 kB / 0.6947 GB, free: 6.52 MB / 0.5294 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002003/0.1944, allocations: 158 kB / 0.6949 GB, free: 6.359 MB / 0.5294 GB
Notification: Performance of setup shared object (initialization): time 0.0001377/0.1945, allocations: 370.8 kB / 0.6952 GB, free: 5.988 MB / 0.5294 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006162/0.1952, allocations: 435 kB / 0.6957 GB, free: 5.562 MB / 0.5294 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006748/0.1958, allocations: 0.5356 MB / 0.6962 GB, free: 4.992 MB / 0.5294 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001165/0.197, allocations: 0.8663 MB / 0.697 GB, free: 4.105 MB / 0.5294 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.046e-06/0.197, allocations: 0 / 0.697 GB, free: 4.105 MB / 0.5294 GB
Notification: Performance of matching and sorting (n=85) (initialization): time 0.001513/0.1986, allocations: 1.076 MB / 0.6981 GB, free: 3.023 MB / 0.5294 GB
Notification: Performance of prepare postOptimizeDAE: time 1.501e-05/0.1986, allocations: 4 kB / 0.6981 GB, free: 3.02 MB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.713e-06/0.1986, allocations: 4.219 kB / 0.6981 GB, free: 3.016 MB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.463e-05/0.1986, allocations: 8 kB / 0.6981 GB, free: 3.008 MB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004533/0.1991, allocations: 107.9 kB / 0.6982 GB, free: 2.902 MB / 0.5294 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.277e-05/0.1991, allocations: 11.92 kB / 0.6982 GB, free: 2.891 MB / 0.5294 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00038/0.1995, allocations: 75.28 kB / 0.6983 GB, free: 2.816 MB / 0.5294 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.497e-05/0.1996, allocations: 32 kB / 0.6983 GB, free: 2.785 MB / 0.5294 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007289/0.2003, allocations: 0.5407 MB / 0.6988 GB, free: 2.238 MB / 0.5294 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0006132/0.2009, allocations: 464.4 kB / 0.6993 GB, free: 1.75 MB / 0.5294 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001032/0.202, allocations: 0.7237 MB / 0.7 GB, free: 1.004 MB / 0.5294 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.366e-06/0.202, allocations: 3.938 kB / 0.7 GB, free: 1 MB / 0.5294 GB
Notification: Performance of matching and sorting (n=85) (initialization_lambda0): time 0.001344/0.2033, allocations: 0.9221 MB / 0.7009 GB, free: 68 kB / 0.5294 GB
Notification: Performance of prepare postOptimizeDAE: time 9.618e-06/0.2033, allocations: 4 kB / 0.7009 GB, free: 64 kB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.34e-06/0.2034, allocations: 4 kB / 0.7009 GB, free: 60 kB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (initialization): time 4.909e-06/0.2034, allocations: 4 kB / 0.7009 GB, free: 56 kB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004146/0.2038, allocations: 111.9 kB / 0.701 GB, free: 15.95 MB / 0.545 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.773e-06/0.2038, allocations: 7.984 kB / 0.701 GB, free: 15.94 MB / 0.545 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003912/0.2042, allocations: 56.16 kB / 0.7011 GB, free: 15.88 MB / 0.545 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.244e-05/0.2042, allocations: 31.98 kB / 0.7011 GB, free: 15.85 MB / 0.545 GB
Notification: Model statistics after passing the back-end for initialization:
 * 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 initialization (52):
 * Single equations (assignments): 50
 * Array equations: 1
 * Algorithm blocks: 0
 * Record equations: 1
 * 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 0.0001313/0.2044, allocations: 197.1 kB / 0.7013 GB, free: 15.65 MB / 0.545 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 7.27e-05/0.2045, allocations: 51.34 kB / 0.7013 GB, free: 15.6 MB / 0.545 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008592/0.2053, allocations: 354.4 kB / 0.7017 GB, free: 15.25 MB / 0.545 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.136e-06/0.2053, allocations: 0 / 0.7017 GB, free: 15.25 MB / 0.545 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.53e-06/0.2054, allocations: 7.938 kB / 0.7017 GB, free: 15.24 MB / 0.545 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.266e-06/0.2054, allocations: 4 kB / 0.7017 GB, free: 15.23 MB / 0.545 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004223/0.2058, allocations: 405.4 kB / 0.7021 GB, free: 14.79 MB / 0.545 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.362e-06/0.2058, allocations: 0 / 0.7021 GB, free: 14.79 MB / 0.545 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002383/0.206, allocations: 39.95 kB / 0.7021 GB, free: 14.75 MB / 0.545 GB
Notification: Performance of postOpt tearingSystem (simulation): time 2.204e-06/0.2061, allocations: 0 / 0.7021 GB, free: 14.75 MB / 0.545 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.976e-05/0.2061, allocations: 4 kB / 0.7021 GB, free: 14.75 MB / 0.545 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.805e-06/0.2061, allocations: 3.984 kB / 0.7021 GB, free: 14.74 MB / 0.545 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.465e-06/0.2061, allocations: 7.938 kB / 0.7021 GB, free: 14.73 MB / 0.545 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007197/0.2068, allocations: 430.6 kB / 0.7025 GB, free: 14.3 MB / 0.545 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.000144/0.207, allocations: 148.3 kB / 0.7027 GB, free: 14.13 MB / 0.545 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.566e-05/0.207, allocations: 7.938 kB / 0.7027 GB, free: 14.12 MB / 0.545 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000282/0.2073, allocations: 27.97 kB / 0.7027 GB, free: 14.1 MB / 0.545 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 4.237e-05/0.2074, allocations: 11.94 kB / 0.7027 GB, free: 14.09 MB / 0.545 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.183e-05/0.2074, allocations: 15.98 kB / 0.7027 GB, free: 14.07 MB / 0.545 GB
Notification: Performance of sorting global known variables: time 0.0005475/0.208, allocations: 0.5068 MB / 0.7032 GB, free: 13.57 MB / 0.545 GB
Notification: Performance of sort global known variables: time 2.8e-07/0.208, allocations: 0 / 0.7032 GB, free: 13.57 MB / 0.545 GB
Notification: Performance of remove unused functions: time 0.000848/0.2088, allocations: 319.9 kB / 0.7035 GB, free: 13.26 MB / 0.545 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * 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 (11):
 * Single equations (assignments): 11
 * Array equations: 0
 * Algorithm blocks: 0
 * 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 Backend phase and start with SimCode phase: time 0.000658/0.2095, allocations: 370.9 kB / 0.7039 GB, free: 12.88 MB / 0.545 GB
Notification: Performance of simCode: created initialization part: time 0.001771/0.2113, allocations: 1.142 MB / 0.705 GB, free: 11.74 MB / 0.545 GB
Notification: Performance of simCode: created event and clocks part: time 3.447e-06/0.2113, allocations: 0 / 0.705 GB, free: 11.74 MB / 0.545 GB
Notification: Performance of simCode: created simulation system equations: time 0.0003154/0.2116, allocations: 140.2 kB / 0.7051 GB, free: 11.61 MB / 0.545 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007709/0.2124, allocations: 193.8 kB / 0.7053 GB, free: 11.42 MB / 0.545 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001448/0.2138, allocations: 0.9396 MB / 0.7062 GB, free: 10.46 MB / 0.545 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004531/0.2143, allocations: 0.9012 MB / 0.7071 GB, free: 9.527 MB / 0.545 GB
Notification: Performance of simCode: alias equations: time 0.0005053/0.2148, allocations: 188.2 kB / 0.7073 GB, free: 9.34 MB / 0.545 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001604/0.215, allocations: 63.39 kB / 0.7074 GB, free: 9.277 MB / 0.545 GB
Notification: Performance of SimCode: time 1.433e-06/0.215, allocations: 0 / 0.7074 GB, free: 9.277 MB / 0.545 GB
Notification: Performance of Templates: time 0.02025/0.2353, allocations: 12.76 MB / 0.7198 GB, free: 12.64 MB / 0.5606 GB
make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.makefile
(rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface  -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.BaseClasses.Validation.FlowMachineInterface.pipe 2>&1)