Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_1.6_Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints.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/Buildings 12.0.0-master/package.mo", uses=false)
Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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(Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints")
translateModel(Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001318/0.001318, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002055/0.002055, allocations: 193 kB / 16.13 MB, free: 6.656 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.532/1.532, allocations: 222.9 MB / 239.8 MB, free: 4.598 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 3.123/3.123, allocations: 472.6 MB / 0.7447 GB, free: 5.004 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001321/0.001321, allocations: 63.97 kB / 0.9114 GB, free: 33.6 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4042/0.4056, allocations: 159.9 MB / 1.068 GB, free: 10.91 MB / 0.8262 GB
Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints): time 0.01056/0.4162, allocations: 7.84 MB / 1.075 GB, free: 3.035 MB / 0.8262 GB
Notification: Performance of NFInst.instExpressions: time 0.008105/0.4244, allocations: 3.736 MB / 1.079 GB, free: 15.28 MB / 0.8419 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003345/0.4278, allocations: 63.75 kB / 1.079 GB, free: 15.21 MB / 0.8419 GB
Notification: Performance of NFTyping.typeComponents: time 0.001468/0.4292, allocations: 388.6 kB / 1.079 GB, free: 14.83 MB / 0.8419 GB
Notification: Performance of NFTyping.typeBindings: time 0.00125/0.4306, allocations: 134.8 kB / 1.079 GB, free: 14.7 MB / 0.8419 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003052/0.4336, allocations: 1.069 MB / 1.08 GB, free: 13.64 MB / 0.8419 GB
Notification: Performance of NFFlatten.flatten: time 0.003318/0.437, allocations: 2.718 MB / 1.083 GB, free: 10.91 MB / 0.8419 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002417/0.4394, allocations: 1.646 MB / 1.085 GB, free: 9.203 MB / 0.8419 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00109/0.4405, allocations: 0.7309 MB / 1.085 GB, free: 8.469 MB / 0.8419 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0008204/0.4413, allocations: 0.8896 MB / 1.086 GB, free: 7.574 MB / 0.8419 GB
Notification: Performance of NFPackage.collectConstants: time 0.0002549/0.4416, allocations: 132 kB / 1.086 GB, free: 7.445 MB / 0.8419 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0002826/0.4419, allocations: 152 kB / 1.087 GB, free: 7.297 MB / 0.8419 GB
Notification: Performance of NFScalarize.scalarize: time 0.0003182/0.4422, allocations: 402.2 kB / 1.087 GB, free: 6.902 MB / 0.8419 GB
Notification: Performance of NFVerifyModel.verify: time 0.0008582/0.4431, allocations: 0.9395 MB / 1.088 GB, free: 5.957 MB / 0.8419 GB
Notification: Performance of NFConvertDAE.convert: time 0.002708/0.4458, allocations: 2.998 MB / 1.091 GB, free: 2.949 MB / 0.8419 GB
Notification: Performance of FrontEnd - DAE generated: time 5.591e-06/0.4458, allocations: 0 / 1.091 GB, free: 2.949 MB / 0.8419 GB
Notification: Performance of FrontEnd: time 1.763e-06/0.4458, allocations: 0 / 1.091 GB, free: 2.949 MB / 0.8419 GB
Notification: Performance of Transformations before backend: time 4.658e-05/0.4459, allocations: 0 / 1.091 GB, free: 2.949 MB / 0.8419 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 528
 * Number of variables: 528
Notification: Performance of Generate backend data structure: time 0.004379/0.4503, allocations: 2.346 MB / 1.093 GB, free: 0.5234 MB / 0.8419 GB
Notification: Performance of prepare preOptimizeDAE: time 4.386e-05/0.4503, allocations: 8.031 kB / 1.093 GB, free: 0.5156 MB / 0.8419 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003701/0.4507, allocations: 249.9 kB / 1.093 GB, free: 276 kB / 0.8419 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0024/0.4531, allocations: 1.271 MB / 1.095 GB, free: 14.94 MB / 0.8575 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001351/0.4532, allocations: 160.5 kB / 1.095 GB, free: 14.78 MB / 0.8575 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002491/0.4535, allocations: 208.4 kB / 1.095 GB, free: 14.57 MB / 0.8575 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.003617/0.4571, allocations: 1.881 MB / 1.097 GB, free: 12.62 MB / 0.8575 GB
Notification: Performance of preOpt findStateOrder (simulation): time 3.628e-05/0.4572, allocations: 3.938 kB / 1.097 GB, free: 12.62 MB / 0.8575 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001786/0.4574, allocations: 88 kB / 1.097 GB, free: 12.53 MB / 0.8575 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.529e-05/0.4574, allocations: 51.94 kB / 1.097 GB, free: 12.48 MB / 0.8575 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003237/0.4607, allocations: 1.406 MB / 1.098 GB, free: 11.06 MB / 0.8575 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.009002/0.4697, allocations: 5.257 MB / 1.103 GB, free: 5.621 MB / 0.8575 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00251/0.4722, allocations: 0.9933 MB / 1.104 GB, free: 4.609 MB / 0.8575 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0007682/0.473, allocations: 378.5 kB / 1.105 GB, free: 4.242 MB / 0.8575 GB
Notification: Performance of preOpt evalFunc (simulation): time 7.239e-05/0.4731, allocations: 24.95 kB / 1.105 GB, free: 4.219 MB / 0.8575 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001041/0.4742, allocations: 461.1 kB / 1.105 GB, free: 3.754 MB / 0.8575 GB
Notification: Performance of pre-optimization done (n=101): time 3.577e-06/0.4742, allocations: 0 / 1.105 GB, free: 3.754 MB / 0.8575 GB
Notification: Performance of matching and sorting (n=101): time 0.002598/0.4768, allocations: 1.096 MB / 1.106 GB, free: 2.656 MB / 0.8575 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.582e-05/0.4769, allocations: 66.27 kB / 1.106 GB, free: 2.582 MB / 0.8575 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001428/0.4783, allocations: 1.081 MB / 1.107 GB, free: 1.492 MB / 0.8575 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001063/0.4784, allocations: 49.7 kB / 1.107 GB, free: 1.438 MB / 0.8575 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008319/0.4793, allocations: 0.9847 MB / 1.108 GB, free: 448 kB / 0.8575 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0002797/0.4795, allocations: 323.5 kB / 1.109 GB, free: 120 kB / 0.8575 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005148/0.4801, allocations: 347.3 kB / 1.109 GB, free: 15.77 MB / 0.8731 GB
Notification: Performance of setup shared object (initialization): time 0.000128/0.4802, allocations: 301.1 kB / 1.109 GB, free: 15.47 MB / 0.8731 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009054/0.4811, allocations: 407.8 kB / 1.11 GB, free: 15.07 MB / 0.8731 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001264/0.4824, allocations: 0.953 MB / 1.111 GB, free: 13.87 MB / 0.8731 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.002141/0.4845, allocations: 1.372 MB / 1.112 GB, free: 12.22 MB / 0.8731 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.419e-05/0.4846, allocations: 4 kB / 1.112 GB, free: 12.22 MB / 0.8731 GB
Notification: Performance of matching and sorting (n=196) (initialization): time 0.003044/0.4876, allocations: 1.554 MB / 1.114 GB, free: 10.65 MB / 0.8731 GB
Notification: Performance of prepare postOptimizeDAE: time 8.296e-05/0.4877, allocations: 71.41 kB / 1.114 GB, free: 10.57 MB / 0.8731 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.84e-05/0.4878, allocations: 19.94 kB / 1.114 GB, free: 10.55 MB / 0.8731 GB
Notification: Performance of postOpt tearingSystem (initialization): time 4.896e-05/0.4878, allocations: 31.98 kB / 1.114 GB, free: 10.52 MB / 0.8731 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001044/0.4889, allocations: 303.5 kB / 1.114 GB, free: 10.22 MB / 0.8731 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.396e-05/0.4889, allocations: 39.86 kB / 1.114 GB, free: 10.18 MB / 0.8731 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001295/0.4902, allocations: 258.1 kB / 1.114 GB, free: 9.926 MB / 0.8731 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001304/0.4904, allocations: 83.97 kB / 1.114 GB, free: 9.844 MB / 0.8731 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 83
 * Number of states: 0 ()
 * Number of discrete variables: 48 ($whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,co2SenSZVAV.occMod.y,co2SenSZVAV.con1.y,co2SenSZVAV.con.y,co2SenZonParFan.cooSta.y,co2SenZonParFan.occMod.y,co2SenZonParFan.con1.y,co2SenZonParFan.con.y,co2SenZon.occMod.y,co2SenZon.con1.y,co2SenZon.con.y,occSenZon.occMod.y,occSenZon.con.y,winSenZon.occMod.y,winSenZon.con1.y,noSenZon.occMod.y,noSenZon.con1.y,noSenZon.con.y,reaToInt.y,occSta.y,$PRE.occSta.y,winSta.y,$PRE.winSta.y,booToInt.y,not1.y,co2SenSZVAV.cooSup.greHys.y,$PRE.co2SenSZVAV.cooSup.greHys.y,co2SenSZVAV.or2.y,co2SenZonParFan.cooSup.greHys.y,$PRE.co2SenZonParFan.cooSup.greHys.y,co2SenZonParFan.or2.y,co2SenZonParFan.inCooSta.y,co2SenZon.cooSup.greHys.y,$PRE.co2SenZon.cooSup.greHys.y,co2SenZon.or2.y,occSenZon.cooSup.greHys.y,$PRE.occSenZon.cooSup.greHys.y,occSenZon.or2.y,winSenZon.cooSup.greHys.y,$PRE.winSenZon.cooSup.greHys.y,winSenZon.notOccMod.y,winSenZon.or2.y,noSenZon.cooSup.greHys.y,$PRE.noSenZon.cooSup.greHys.y,noSenZon.or2.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (192):
 * Single equations (assignments): 190
 * Array equations: 0
 * Algorithm blocks: 2
 * 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 0.001118/0.4915, allocations: 401.2 kB / 1.115 GB, free: 9.441 MB / 0.8731 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002174/0.4917, allocations: 134.3 kB / 1.115 GB, free: 9.309 MB / 0.8731 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002109/0.4938, allocations: 0.9143 MB / 1.116 GB, free: 8.379 MB / 0.8731 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.115e-05/0.4939, allocations: 8 kB / 1.116 GB, free: 8.371 MB / 0.8731 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.017e-05/0.4939, allocations: 4 kB / 1.116 GB, free: 8.367 MB / 0.8731 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.516e-05/0.4939, allocations: 3.984 kB / 1.116 GB, free: 8.363 MB / 0.8731 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004104/0.498, allocations: 2.363 MB / 1.118 GB, free: 5.938 MB / 0.8731 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.713e-06/0.498, allocations: 3.984 kB / 1.118 GB, free: 5.934 MB / 0.8731 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006458/0.4987, allocations: 171.8 kB / 1.118 GB, free: 5.766 MB / 0.8731 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.1e-05/0.4987, allocations: 8 kB / 1.118 GB, free: 5.758 MB / 0.8731 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.757e-05/0.4988, allocations: 27.97 kB / 1.118 GB, free: 5.73 MB / 0.8731 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.113e-06/0.4988, allocations: 4 kB / 1.118 GB, free: 5.727 MB / 0.8731 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.316e-06/0.4988, allocations: 0 / 1.118 GB, free: 5.727 MB / 0.8731 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001845/0.5007, allocations: 0.9723 MB / 1.119 GB, free: 4.723 MB / 0.8731 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.000242/0.5009, allocations: 207.2 kB / 1.119 GB, free: 4.5 MB / 0.8731 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001308/0.501, allocations: 35.98 kB / 1.119 GB, free: 4.465 MB / 0.8731 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005424/0.5016, allocations: 67.92 kB / 1.119 GB, free: 4.398 MB / 0.8731 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002848/0.5019, allocations: 136.7 kB / 1.12 GB, free: 4.266 MB / 0.8731 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.681e-05/0.502, allocations: 31.98 kB / 1.12 GB, free: 4.234 MB / 0.8731 GB
Notification: Performance of sorting global known variables: time 0.000846/0.5028, allocations: 0.6489 MB / 1.12 GB, free: 3.582 MB / 0.8731 GB
Notification: Performance of sort global known variables: time 1.5e-07/0.5028, allocations: 0 / 1.12 GB, free: 3.582 MB / 0.8731 GB
Notification: Performance of remove unused functions: time 0.001259/0.5041, allocations: 381.9 kB / 1.121 GB, free: 3.207 MB / 0.8731 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 0 ()
 * Number of discrete variables: 23 ($whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2,noSenZon.or2.y,noSenZon.cooSup.greHys.y,winSenZon.or2.y,winSenZon.notOccMod.y,winSenZon.cooSup.greHys.y,occSenZon.or2.y,occSenZon.cooSup.greHys.y,co2SenZon.or2.y,co2SenZon.cooSup.greHys.y,co2SenZonParFan.inCooSta.y,co2SenZonParFan.or2.y,co2SenZonParFan.cooSup.greHys.y,co2SenSZVAV.or2.y,co2SenSZVAV.cooSup.greHys.y,not1.y,booToInt.y,winSta.y,occSta.y,reaToInt.y)
 * Number of discrete states: 6 (co2SenSZVAV.cooSup.greHys.y,co2SenZonParFan.cooSup.greHys.y,co2SenZon.cooSup.greHys.y,occSenZon.cooSup.greHys.y,winSenZon.cooSup.greHys.y,noSenZon.cooSup.greHys.y)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (105):
 * Single equations (assignments): 103
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 2
 * 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 0.0002921/0.5044, allocations: 154.1 kB / 1.121 GB, free: 3.051 MB / 0.8731 GB
Notification: Performance of simCode: created initialization part: time 0.002206/0.5066, allocations: 1.16 MB / 1.122 GB, free: 1.871 MB / 0.8731 GB
Notification: Performance of simCode: created event and clocks part: time 1.375e-05/0.5066, allocations: 4.062 kB / 1.122 GB, free: 1.867 MB / 0.8731 GB
Notification: Performance of simCode: created simulation system equations: time 0.0008669/0.5075, allocations: 437.4 kB / 1.122 GB, free: 1.445 MB / 0.8731 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000829/0.5083, allocations: 149 kB / 1.122 GB, free: 1.297 MB / 0.8731 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004806/0.5131, allocations: 3.376 MB / 1.126 GB, free: 13.88 MB / 0.8887 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009194/0.5141, allocations: 1.303 MB / 1.127 GB, free: 12.55 MB / 0.8887 GB
Notification: Performance of simCode: alias equations: time 0.0008253/0.5149, allocations: 198.9 kB / 1.127 GB, free: 12.35 MB / 0.8887 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000286/0.5152, allocations: 115.4 kB / 1.127 GB, free: 12.23 MB / 0.8887 GB
Notification: Performance of SimCode: time 3.2e-07/0.5152, allocations: 4 kB / 1.127 GB, free: 12.23 MB / 0.8887 GB
Notification: Performance of Templates: time 0.02222/0.5374, allocations: 9.438 MB / 1.137 GB, free: 2.883 MB / 0.8887 GB
make -j1 -f Buildings_1.6_Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints.makefile
(rm -f Buildings_1.6_Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints.pipe ; mkfifo Buildings_1.6_Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints.pipe ; head -c 1048576 < Buildings_1.6_Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints.pipe >> ../files/Buildings_1.6_Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints.sim & ./Buildings_1.6_Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_1.6_Buildings.Controls.OBC.ASHRAE.G36.VentilationZones.ASHRAE62_1.Validation.Setpoints.pipe 2>&1)