Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Fluid.Sources.Examples.Outside_CpLowRise.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Sources.Examples.Outside_CpLowRise,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Fluid_Sources_Examples_Outside_CpLowRise",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Sources.Examples.Outside_CpLowRise,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Fluid_Sources_Examples_Outside_CpLowRise",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.941/1.941, allocations: 288.4 MB / 303.3 MB, free: 8.211 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001096/0.001096, allocations: 187.1 kB / 372 MB, free: 10.29 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.677/1.677, allocations: 205.4 MB / 0.6307 GB, free: 9.996 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0006995/0.0006998, allocations: 100.8 kB / 0.7441 GB, free: 5.918 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004317/0.0004319, allocations: 19.81 kB / 0.867 GB, free: 142.1 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2163/0.2167, allocations: 115.3 MB / 0.9796 GB, free: 27.61 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Sources.Examples.Outside_CpLowRise): time 0.6933/0.91, allocations: 151.3 MB / 1.127 GB, free: 1.168 MB / 0.6823 GB Notification: Performance of NFInst.instExpressions: time 0.02099/0.9311, allocations: 15.38 MB / 1.142 GB, free: 13.6 MB / 0.698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001885/0.933, allocations: 28.16 kB / 1.142 GB, free: 13.59 MB / 0.698 GB Notification: Performance of NFTyping.typeComponents: time 0.001357/0.9344, allocations: 359 kB / 1.143 GB, free: 13.42 MB / 0.698 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-105:25:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘ contains a call to impure function ‘Modelica.Utilities.Streams.readLine‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-48:21:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLongitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-48:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLatitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-47:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getTimeZoneTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. Notification: Performance of NFTyping.typeBindings: time 0.00384/0.9382, allocations: 1.016 MB / 1.144 GB, free: 12.97 MB / 0.698 GB Notification: Performance of NFTyping.typeClassSections: time 0.003394/0.9416, allocations: 1.063 MB / 1.145 GB, free: 12.72 MB / 0.698 GB Notification: Performance of NFFlatten.flatten: time 0.003438/0.9451, allocations: 2.241 MB / 1.147 GB, free: 12.11 MB / 0.698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002354/0.9475, allocations: 1.378 MB / 1.148 GB, free: 11.56 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002191/0.9497, allocations: 0.883 MB / 1.149 GB, free: 11.21 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00129/0.951, allocations: 0.6494 MB / 1.15 GB, free: 10.88 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 0.0002414/0.9513, allocations: 37.72 kB / 1.15 GB, free: 10.88 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002778/0.9541, allocations: 0.8367 MB / 1.151 GB, free: 10.62 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 0.0004399/0.9545, allocations: 339.8 kB / 1.151 GB, free: 10.46 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.0005919/0.9551, allocations: 319.8 kB / 1.151 GB, free: 10.38 MB / 0.698 GB Notification: Performance of NFConvertDAE.convert: time 0.003237/0.9584, allocations: 2.028 MB / 1.153 GB, free: 9.184 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 1.05e-05/0.9584, allocations: 0 / 1.153 GB, free: 9.184 MB / 0.698 GB Notification: Performance of FrontEnd: time 4.829e-06/0.9585, allocations: 4 kB / 1.153 GB, free: 9.18 MB / 0.698 GB Notification: Performance of Transformations before backend: time 0.0001565/0.9586, allocations: 1.219 kB / 1.153 GB, free: 9.18 MB / 0.698 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 414 * Number of variables: 414 Notification: Performance of Generate backend data structure: time 0.004941/0.9636, allocations: 1.766 MB / 1.155 GB, free: 7.957 MB / 0.698 GB Notification: Performance of prepare preOptimizeDAE: time 5.143e-05/0.9636, allocations: 9.656 kB / 1.155 GB, free: 7.957 MB / 0.698 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006116/0.9643, allocations: 236.8 kB / 1.155 GB, free: 7.871 MB / 0.698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003996/0.9683, allocations: 0.5128 MB / 1.156 GB, free: 7.652 MB / 0.698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002344/0.9706, allocations: 1.012 MB / 1.157 GB, free: 7.074 MB / 0.698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001224/0.9708, allocations: 122.1 kB / 1.157 GB, free: 7.07 MB / 0.698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002539/0.971, allocations: 158.4 kB / 1.157 GB, free: 7.07 MB / 0.698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003597/0.9746, allocations: 1.743 MB / 1.159 GB, free: 6.543 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.906e-05/0.9747, allocations: 5.312 kB / 1.159 GB, free: 6.539 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001763/0.9749, allocations: 70.91 kB / 1.159 GB, free: 6.539 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.473e-05/0.9749, allocations: 43.38 kB / 1.159 GB, free: 6.535 MB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003766/0.9787, allocations: 1.801 MB / 1.161 GB, free: 5.902 MB / 0.698 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 0.009409/0.9881, allocations: 5.003 MB / 1.166 GB, free: 1.938 MB / 0.698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003181/0.9913, allocations: 1.668 MB / 1.167 GB, free: 0.8828 MB / 0.698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001177/0.9926, allocations: 0.6252 MB / 1.168 GB, free: 0.5664 MB / 0.698 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009571/0.9935, allocations: 0.8097 MB / 1.169 GB, free: 15.67 MB / 0.7136 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001562/0.9951, allocations: 0.8179 MB / 1.169 GB, free: 15.16 MB / 0.7136 GB Notification: Performance of pre-optimization done (n=137): time 3.096e-06/0.9951, allocations: 0 / 1.169 GB, free: 15.16 MB / 0.7136 GB Notification: Performance of matching and sorting (n=137): time 0.006368/1.002, allocations: 2.441 MB / 1.172 GB, free: 13.67 MB / 0.7136 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001153/1.002, allocations: 199.2 kB / 1.172 GB, free: 13.44 MB / 0.7136 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001161/1.003, allocations: 0.7545 MB / 1.173 GB, free: 13.01 MB / 0.7136 GB Notification: Performance of collectPreVariables (initialization): time 0.0002368/1.003, allocations: 53.73 kB / 1.173 GB, free: 12.96 MB / 0.7136 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005167/1.004, allocations: 0.6218 MB / 1.173 GB, free: 12.41 MB / 0.7136 GB Notification: Performance of collectInitialBindings (initialization): time 0.000449/1.004, allocations: 460.3 kB / 1.174 GB, free: 12 MB / 0.7136 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.296e-05/1.004, allocations: 33 kB / 1.174 GB, free: 11.98 MB / 0.7136 GB Notification: Performance of setup shared object (initialization): time 0.0001614/1.004, allocations: 348.7 kB / 1.174 GB, free: 11.64 MB / 0.7136 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009327/1.005, allocations: 446.3 kB / 1.175 GB, free: 11.42 MB / 0.7136 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001049/1.006, allocations: 0.5932 MB / 1.175 GB, free: 11.05 MB / 0.7136 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001009/1.007, allocations: 0.514 MB / 1.176 GB, free: 10.78 MB / 0.7136 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.069e-06/1.007, allocations: 0 / 1.176 GB, free: 10.78 MB / 0.7136 GB Notification: Performance of matching and sorting (n=146) (initialization): time 0.00347/1.011, allocations: 1.418 MB / 1.177 GB, free: 10.04 MB / 0.7136 GB Notification: Performance of prepare postOptimizeDAE: time 2.883e-05/1.011, allocations: 7.719 kB / 1.177 GB, free: 10.04 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.366e-06/1.011, allocations: 3.938 kB / 1.177 GB, free: 10.03 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009597/1.012, allocations: 189.7 kB / 1.177 GB, free: 9.922 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001666/1.014, allocations: 314.7 kB / 1.178 GB, free: 9.844 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005861/1.019, allocations: 6.769 MB / 1.184 GB, free: 2.902 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001934/1.021, allocations: 158.3 kB / 1.184 GB, free: 2.805 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002041/1.022, allocations: 45.97 kB / 1.184 GB, free: 2.789 MB / 0.7136 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition2,$whenCondition1,$PRE.weaDat.conTimMin.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTim.tNext) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (136): * Single equations (assignments): 131 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 4 {(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2} * Non-linear torn systems: 1 {1 2} Notification: Performance of prepare postOptimizeDAE: time 0.001092/1.023, allocations: 354.5 kB / 1.185 GB, free: 2.527 MB / 0.7136 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004132/1.023, allocations: 123.2 kB / 1.185 GB, free: 2.465 MB / 0.7136 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004209/1.027, allocations: 1.758 MB / 1.186 GB, free: 1.441 MB / 0.7136 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.44e-05/1.027, allocations: 13.75 kB / 1.187 GB, free: 1.441 MB / 0.7136 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.018e-05/1.027, allocations: 2.844 kB / 1.187 GB, free: 1.441 MB / 0.7136 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.688e-05/1.027, allocations: 11.91 kB / 1.187 GB, free: 1.43 MB / 0.7136 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006469/1.034, allocations: 3.246 MB / 1.19 GB, free: 15.33 MB / 0.7292 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.374e-06/1.034, allocations: 0 / 1.19 GB, free: 15.33 MB / 0.7292 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001449/1.035, allocations: 315.2 kB / 1.19 GB, free: 15.25 MB / 0.7292 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000854/1.036, allocations: 192.7 kB / 1.19 GB, free: 15.14 MB / 0.7292 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001191/1.036, allocations: 38.69 kB / 1.19 GB, free: 15.11 MB / 0.7292 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005529/1.042, allocations: 6.802 MB / 1.197 GB, free: 8.16 MB / 0.7292 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.873e-06/1.042, allocations: 0 / 1.197 GB, free: 8.16 MB / 0.7292 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004198/1.046, allocations: 1.606 MB / 1.198 GB, free: 7.27 MB / 0.7292 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009905/1.047, allocations: 394.7 kB / 1.199 GB, free: 6.941 MB / 0.7292 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001659/1.047, allocations: 32.02 kB / 1.199 GB, free: 6.918 MB / 0.7292 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001244/1.049, allocations: 130.6 kB / 1.199 GB, free: 6.855 MB / 0.7292 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002407/1.049, allocations: 107.9 kB / 1.199 GB, free: 6.797 MB / 0.7292 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001467/1.049, allocations: 69.27 kB / 1.199 GB, free: 6.77 MB / 0.7292 GB Notification: Performance of sorting global known variables: time 0.0007975/1.05, allocations: 0.5223 MB / 1.2 GB, free: 6.473 MB / 0.7292 GB Notification: Performance of sort global known variables: time 1.71e-07/1.05, allocations: 0 / 1.2 GB, free: 6.473 MB / 0.7292 GB Notification: Performance of remove unused functions: time 0.001635/1.052, allocations: 0.5294 MB / 1.2 GB, free: 6.316 MB / 0.7292 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of discrete states: 2 (weaDat.conTim.tNext,weaDat.conTimMin.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (140): * Single equations (assignments): 133 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 4 {(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2} * Non-linear torn systems: 1 {1 3} Notification: Performance of Backend phase and start with SimCode phase: time 0.005177/1.057, allocations: 2.726 MB / 1.203 GB, free: 3.969 MB / 0.7292 GB Notification: Performance of simCode: created initialization part: time 0.003132/1.06, allocations: 1.75 MB / 1.205 GB, free: 2.156 MB / 0.7292 GB Notification: Performance of simCode: created event and clocks part: time 7.564e-06/1.06, allocations: 4.562 kB / 1.205 GB, free: 2.152 MB / 0.7292 GB Notification: Performance of simCode: created simulation system equations: time 0.001892/1.062, allocations: 1.274 MB / 1.206 GB, free: 0.8125 MB / 0.7292 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002483/1.064, allocations: 467.5 kB / 1.206 GB, free: 368 kB / 0.7292 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01725/1.082, allocations: 7.892 MB / 1.214 GB, free: 8.191 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001026/1.083, allocations: 1.269 MB / 1.215 GB, free: 6.891 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 0.002163/1.085, allocations: 421.6 kB / 1.216 GB, free: 6.477 MB / 0.7448 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009607/1.086, allocations: 0.6203 MB / 1.216 GB, free: 5.855 MB / 0.7448 GB Notification: Performance of SimCode: time 9.21e-07/1.086, allocations: 0 / 1.216 GB, free: 5.855 MB / 0.7448 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06782/1.154, allocations: 34.79 MB / 1.25 GB, free: 3.398 MB / 0.7761 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002848/1.154, allocations: 263.8 kB / 1.25 GB, free: 3.047 MB / 0.7761 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.239/4.393, allocations: 4 kB / 1.25 GB, free: 3.043 MB / 0.7761 GB (rm -f Buildings_maint.8.0.x_Buildings.Fluid.Sources.Examples.Outside_CpLowRise.pipe ; mkfifo Buildings_maint.8.0.x_Buildings.Fluid.Sources.Examples.Outside_CpLowRise.pipe ; head -c 1048576 < Buildings_maint.8.0.x_Buildings.Fluid.Sources.Examples.Outside_CpLowRise.pipe >> ../files/Buildings_maint.8.0.x_Buildings.Fluid.Sources.Examples.Outside_CpLowRise.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_8_0_x_Buildings_Fluid_Sources_Examples_Outside_CpLowRise_fmu --startTime=1.728e+07 --stopTime=1.78848e+07 --timeout=50 --tolerance=1e-06 Buildings_maint_8_0_x_Buildings_Fluid_Sources_Examples_Outside_CpLowRise.fmu > Buildings_maint.8.0.x_Buildings.Fluid.Sources.Examples.Outside_CpLowRise.pipe 2>&1)