Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin.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/Modelica_DeviceDrivers 2.1.1-master/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo", uses=false)
Using package AixLib with version 1.3.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo)
Using package SDF with version 0.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo)
Using package Modelica_DeviceDrivers with version 2.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1-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(AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin")
translateModel(AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001089/0.001089, allocations: 113.2 kB / 16.42 MB, free: 6.496 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001109/0.001109, allocations: 193.6 kB / 17.35 MB, free: 5.758 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.192/1.192, allocations: 222.9 MB / 241.1 MB, free: 14.98 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1-master/package.mo): time 0.05267/0.05267, allocations: 12.05 MB / 303.3 MB, free: 3.094 MB / 238.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0004406/0.0004406, allocations: 39.92 kB / 356.3 MB, free: 13.97 MB / 302.1 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6228:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6853:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:8435:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:9369:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:11505:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:12875:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/Examples/DryAir/DryAir_test.mo:71:18-71:405:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:2066:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:4252:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_RoofN_Roof_S.mo:5:35-5:362:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_Hor.mo:5:35-5:320:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_NE_SE_SW_NW_Hor.mo:5:35-5:324:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:588:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:3852:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_Cleanergy_C9G.mo:36:34-36:594:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/BoundaryConditions/InternalGains/Examples/InternalGains/Machines.mo:31:20-31:400:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/BoundaryConditions/InternalGains/Examples/InternalGains/Lights.mo:27:20-27:398:writable] Warning: Lexer treating \ as \\, since \
 is not a valid Modelica escape sequence.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo): time 1.363/1.363, allocations: 268.3 MB / 0.6617 GB, free: 2.605 MB / 478.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001854/0.001854, allocations: 115.8 kB / 0.888 GB, free: 2.766 MB / 0.6075 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4276/0.4294, allocations: 108.4 MB / 0.9939 GB, free: 1.109 MB / 0.67 GB
Notification: Performance of NFInst.instantiate(AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin): time 0.002627/0.4321, allocations: 1.651 MB / 0.9955 GB, free: 15.45 MB / 0.6857 GB
Notification: Performance of NFInst.instExpressions: time 0.001448/0.4335, allocations: 1.153 MB / 0.9966 GB, free: 14.29 MB / 0.6857 GB
Notification: Performance of NFInst.updateImplicitVariability: time 5.893e-05/0.4336, allocations: 4 kB / 0.9966 GB, free: 14.29 MB / 0.6857 GB
Notification: Performance of NFTyping.typeComponents: time 0.0001878/0.4338, allocations: 31.78 kB / 0.9966 GB, free: 14.25 MB / 0.6857 GB
Notification: Performance of NFTyping.typeBindings: time 0.0002525/0.4341, allocations: 67.69 kB / 0.9967 GB, free: 14.19 MB / 0.6857 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0003202/0.4344, allocations: 134.6 kB / 0.9968 GB, free: 14.06 MB / 0.6857 GB
Notification: Performance of NFFlatten.flatten: time 0.0002374/0.4347, allocations: 229.6 kB / 0.997 GB, free: 13.83 MB / 0.6857 GB
Notification: Performance of NFFlatten.resolveConnections: time 8.521e-05/0.4348, allocations: 15.8 kB / 0.9971 GB, free: 13.82 MB / 0.6857 GB
Notification: Performance of NFEvalConstants.evaluate: time 9.357e-05/0.4349, allocations: 79.81 kB / 0.9971 GB, free: 13.74 MB / 0.6857 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0001784/0.435, allocations: 91.72 kB / 0.9972 GB, free: 13.65 MB / 0.6857 GB
Notification: Performance of NFPackage.collectConstants: time 3.344e-05/0.4351, allocations: 16 kB / 0.9972 GB, free: 13.64 MB / 0.6857 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0001355/0.4352, allocations: 79.95 kB / 0.9973 GB, free: 13.56 MB / 0.6857 GB
Notification: Performance of NFScalarize.scalarize: time 8.205e-05/0.4353, allocations: 79.75 kB / 0.9974 GB, free: 13.48 MB / 0.6857 GB
Notification: Performance of NFVerifyModel.verify: time 8.868e-05/0.4354, allocations: 99.39 kB / 0.9975 GB, free: 13.38 MB / 0.6857 GB
Notification: Performance of NFConvertDAE.convert: time 0.0002952/0.4357, allocations: 275.1 kB / 0.9977 GB, free: 13.11 MB / 0.6857 GB
Notification: Performance of FrontEnd - DAE generated: time 4.438e-06/0.4357, allocations: 4 kB / 0.9978 GB, free: 13.11 MB / 0.6857 GB
Notification: Performance of FrontEnd: time 1.042e-06/0.4357, allocations: 0 / 0.9978 GB, free: 13.11 MB / 0.6857 GB
Notification: Performance of Transformations before backend: time 4.889e-06/0.4357, allocations: 3.938 kB / 0.9978 GB, free: 13.11 MB / 0.6857 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 36
 * Number of variables: 36
Notification: Performance of Generate backend data structure: time 0.0006534/0.4364, allocations: 0.5218 MB / 0.9983 GB, free: 12.54 MB / 0.6857 GB
Notification: Performance of prepare preOptimizeDAE: time 3.152e-05/0.4364, allocations: 12.03 kB / 0.9983 GB, free: 12.53 MB / 0.6857 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 7.014e-05/0.4365, allocations: 24.66 kB / 0.9983 GB, free: 12.5 MB / 0.6857 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002573/0.4368, allocations: 261.2 kB / 0.9985 GB, free: 12.21 MB / 0.6857 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.594e-05/0.4368, allocations: 8.375 kB / 0.9986 GB, free: 12.2 MB / 0.6857 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 2.363e-05/0.4368, allocations: 16.38 kB / 0.9986 GB, free: 12.19 MB / 0.6857 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003178/0.4371, allocations: 212.9 kB / 0.9988 GB, free: 11.96 MB / 0.6857 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.103e-06/0.4372, allocations: 4 kB / 0.9988 GB, free: 11.96 MB / 0.6857 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.231e-05/0.4372, allocations: 8 kB / 0.9988 GB, free: 11.95 MB / 0.6857 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.248e-05/0.4372, allocations: 4 kB / 0.9988 GB, free: 11.95 MB / 0.6857 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007726/0.438, allocations: 0.7373 MB / 0.9995 GB, free: 11.21 MB / 0.6857 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007521/0.4387, allocations: 0.559 MB / 1 GB, free: 10.59 MB / 0.6857 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0004327/0.4392, allocations: 300.1 kB / 1 GB, free: 10.29 MB / 0.6857 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001369/0.4393, allocations: 105.4 kB / 1 GB, free: 10.19 MB / 0.6857 GB
Notification: Performance of preOpt evalFunc (simulation): time 3.728e-05/0.4394, allocations: 24.23 kB / 1 GB, free: 10.16 MB / 0.6857 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002774/0.4397, allocations: 176.9 kB / 1.001 GB, free: 9.98 MB / 0.6857 GB
Notification: Performance of pre-optimization done (n=34): time 1.853e-06/0.4397, allocations: 0 / 1.001 GB, free: 9.98 MB / 0.6857 GB
Notification: Performance of matching and sorting (n=34): time 0.000592/0.4403, allocations: 366 kB / 1.001 GB, free: 9.617 MB / 0.6857 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.27e-05/0.4403, allocations: 132.5 kB / 1.001 GB, free: 9.457 MB / 0.6857 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002523/0.4406, allocations: 301.4 kB / 1.001 GB, free: 9.145 MB / 0.6857 GB
Notification: Performance of collectPreVariables (initialization): time 2.44e-05/0.4406, allocations: 29.7 kB / 1.001 GB, free: 9.109 MB / 0.6857 GB
Notification: Performance of collectInitialEqns (initialization): time 6.681e-05/0.4407, allocations: 124.7 kB / 1.002 GB, free: 8.98 MB / 0.6857 GB
Notification: Performance of collectInitialBindings (initialization): time 7.683e-05/0.4408, allocations: 106.5 kB / 1.002 GB, free: 8.875 MB / 0.6857 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 7.958e-05/0.4409, allocations: 61.69 kB / 1.002 GB, free: 8.809 MB / 0.6857 GB
Notification: Performance of setup shared object (initialization): time 0.0001127/0.441, allocations: 342.8 kB / 1.002 GB, free: 8.465 MB / 0.6857 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001271/0.4411, allocations: 79.95 kB / 1.002 GB, free: 8.387 MB / 0.6857 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001727/0.4413, allocations: 136.3 kB / 1.002 GB, free: 8.242 MB / 0.6857 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0002844/0.4416, allocations: 211.4 kB / 1.002 GB, free: 8.035 MB / 0.6857 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.694e-06/0.4416, allocations: 0 / 1.002 GB, free: 8.035 MB / 0.6857 GB
Notification: Performance of matching and sorting (n=35) (initialization): time 0.0004157/0.442, allocations: 281.5 kB / 1.003 GB, free: 7.754 MB / 0.6857 GB
Notification: Performance of prepare postOptimizeDAE: time 1.459e-05/0.442, allocations: 10.34 kB / 1.003 GB, free: 7.746 MB / 0.6857 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.228e-06/0.442, allocations: 0 / 1.003 GB, free: 7.746 MB / 0.6857 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.156e-05/0.4421, allocations: 0 / 1.003 GB, free: 7.746 MB / 0.6857 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001998/0.4423, allocations: 59.91 kB / 1.003 GB, free: 7.688 MB / 0.6857 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.54e-06/0.4423, allocations: 0 / 1.003 GB, free: 7.688 MB / 0.6857 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001445/0.4424, allocations: 39.67 kB / 1.003 GB, free: 7.648 MB / 0.6857 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.048e-05/0.4424, allocations: 12 kB / 1.003 GB, free: 7.637 MB / 0.6857 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 1
 * Number of states: 0 ()
 * Number of discrete variables: 3 (conTim.tNext,$PRE.conTim.tNext,$whenCondition1)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (35):
 * Single equations (assignments): 35
 * 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 prepare postOptimizeDAE: time 0.000142/0.4426, allocations: 166.7 kB / 1.003 GB, free: 7.465 MB / 0.6857 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 4.786e-05/0.4426, allocations: 27.75 kB / 1.003 GB, free: 7.438 MB / 0.6857 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006052/0.4433, allocations: 384.7 kB / 1.003 GB, free: 7.055 MB / 0.6857 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.428e-06/0.4433, allocations: 4 kB / 1.003 GB, free: 7.051 MB / 0.6857 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.492e-06/0.4433, allocations: 3.938 kB / 1.003 GB, free: 7.047 MB / 0.6857 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001149/0.4434, allocations: 140.7 kB / 1.004 GB, free: 6.891 MB / 0.6857 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.036e-05/0.4434, allocations: 11.94 kB / 1.004 GB, free: 6.879 MB / 0.6857 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001349/0.4436, allocations: 11.98 kB / 1.004 GB, free: 6.867 MB / 0.6857 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 5.022e-05/0.4436, allocations: 31.95 kB / 1.004 GB, free: 6.836 MB / 0.6857 GB
Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.0004303/0.4441, allocations: 368.7 kB / 1.004 GB, free: 6.469 MB / 0.6857 GB
Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.0004396/0.4445, allocations: 482.6 kB / 1.004 GB, free: 5.98 MB / 0.6857 GB
Notification: Performance of postOpt setEvaluationStage (simulation): time 0.0001384/0.4447, allocations: 103.9 kB / 1.004 GB, free: 5.879 MB / 0.6857 GB
Notification: Performance of sorting global known variables: time 0.0001594/0.4448, allocations: 242.2 kB / 1.005 GB, free: 5.645 MB / 0.6857 GB
Notification: Performance of Backend: time 2.81e-07/0.4448, allocations: 0 / 1.005 GB, free: 5.645 MB / 0.6857 GB
Notification: Performance of simCode: created initialization part: time 0.00149/0.4463, allocations: 0.6287 MB / 1.005 GB, free: 5.246 MB / 0.6857 GB
Notification: Performance of SimCode: time 0.0007006/0.4471, allocations: 0.8474 MB / 1.006 GB, free: 4.355 MB / 0.6857 GB
Notification: Performance of Templates: time 0.007005/0.4541, allocations: 3.989 MB / 1.01 GB, free: 404 kB / 0.6857 GB
make -j1 -f AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin.makefile
(rm -f AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin.pipe ; mkfifo AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin.pipe ; head -c 1048576 < AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin.pipe >> ../files/AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin.sim & ./AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin  -abortSlowSimulation -alarm=480 -lv LOG_STATS > AixLib_AixLib.BoundaryConditions.WeatherData.BaseClasses.Examples.LimitMin.pipe 2>&1)