Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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 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: "" <> buildModelFMU(Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos,fileNamePrefix="Buildings_8_Buildings_Fluid_Movers_Validation_Pump_Nrpm_stratos",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos,fileNamePrefix="Buildings_8_Buildings_Fluid_Movers_Validation_Pump_Nrpm_stratos",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001117/0.001117, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001169/0.00117, allocations: 195.1 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.364/1.364, allocations: 205.1 MB / 222.4 MB, free: 4.625 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.653/1.653, allocations: 292.3 MB / 0.5489 GB, free: 12.84 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001424/0.001424, allocations: 63.7 kB / 0.6716 GB, free: 26.21 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2154/0.2168, allocations: 114.5 MB / 0.7835 GB, free: 13.42 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos): time 0.6609/0.8778, allocations: 208.9 MB / 0.9875 GB, free: 3.16 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.1104/0.9882, allocations: 69.49 MB / 1.055 GB, free: 15.65 MB / 0.7794 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01697/1.005, allocations: 355.1 kB / 1.056 GB, free: 15.52 MB / 0.7794 GB Notification: Performance of NFTyping.typeComponents: time 0.01396/1.019, allocations: 4.619 MB / 1.06 GB, free: 11.49 MB / 0.7794 GB Notification: Performance of NFTyping.typeBindings: time 0.0329/1.052, allocations: 9.999 MB / 1.07 GB, free: 1.441 MB / 0.7794 GB Notification: Performance of NFTyping.typeClassSections: time 0.02761/1.08, allocations: 10.88 MB / 1.081 GB, free: 6.652 MB / 0.795 GB Notification: Performance of NFFlatten.flatten: time 0.03833/1.118, allocations: 21.78 MB / 1.102 GB, free: 0.8164 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01771/1.136, allocations: 8.309 MB / 1.11 GB, free: 8.387 MB / 0.8262 GB Notification: Performance of NFEvalConstants.evaluate: time 0.02497/1.161, allocations: 9.03 MB / 1.119 GB, free: 15.35 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01366/1.175, allocations: 6.752 MB / 1.125 GB, free: 8.57 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.004831/1.18, allocations: 0.9609 MB / 1.126 GB, free: 7.609 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01513/1.195, allocations: 3.839 MB / 1.13 GB, free: 3.766 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.006512/1.201, allocations: 3.84 MB / 1.134 GB, free: 15.91 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.01346/1.215, allocations: 6.095 MB / 1.14 GB, free: 9.789 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.03138/1.246, allocations: 17.15 MB / 1.157 GB, free: 8.582 MB / 0.8731 GB Notification: Performance of FrontEnd - DAE generated: time 7.494e-06/1.246, allocations: 4 kB / 1.157 GB, free: 8.578 MB / 0.8731 GB Notification: Performance of FrontEnd: time 2.555e-06/1.246, allocations: 0 / 1.157 GB, free: 8.578 MB / 0.8731 GB Notification: Performance of Transformations before backend: time 0.0005973/1.247, allocations: 3.938 kB / 1.157 GB, free: 8.574 MB / 0.8731 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1234 * Number of variables: 1234 Notification: Performance of Generate backend data structure: time 0.0446/1.292, allocations: 12.79 MB / 1.169 GB, free: 11.66 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 8.273e-05/1.292, allocations: 8.031 kB / 1.169 GB, free: 11.66 MB / 0.8887 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00287/1.294, allocations: 0.6385 MB / 1.17 GB, free: 11.01 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.03059/1.325, allocations: 2.972 MB / 1.173 GB, free: 8.02 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02891/1.354, allocations: 13.48 MB / 1.186 GB, free: 10.45 MB / 0.9044 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00352/1.358, allocations: 0.9678 MB / 1.187 GB, free: 9.48 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002302/1.36, allocations: 0.5546 MB / 1.187 GB, free: 8.926 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02002/1.38, allocations: 7.394 MB / 1.194 GB, free: 1.219 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.351e-05/1.38, allocations: 7.938 kB / 1.194 GB, free: 1.211 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006975/1.381, allocations: 211.9 kB / 1.195 GB, free: 1.004 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.631e-05/1.381, allocations: 116 kB / 1.195 GB, free: 0.8906 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01845/1.399, allocations: 5.836 MB / 1.2 GB, free: 11.04 MB / 0.92 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 0.06903/1.469, allocations: 33.16 MB / 1.233 GB, free: 8.18 MB / 0.9512 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01655/1.485, allocations: 4.948 MB / 1.238 GB, free: 3.23 MB / 0.9512 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006856/1.492, allocations: 2.294 MB / 1.24 GB, free: 0.9336 MB / 0.9512 GB Notification: Performance of preOpt evalFunc (simulation): time 0.02514/1.517, allocations: 10.57 MB / 1.25 GB, free: 5.691 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.384e-05/1.517, allocations: 64.56 kB / 1.25 GB, free: 5.621 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=237): time 6.993e-06/1.517, allocations: 0 / 1.25 GB, free: 5.621 MB / 0.9669 GB Notification: Performance of matching and sorting (n=237): time 0.02688/1.544, allocations: 7.168 MB / 1.257 GB, free: 14.44 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003967/1.545, allocations: 0.7109 MB / 1.258 GB, free: 13.56 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03146/1.576, allocations: 14.54 MB / 1.272 GB, free: 15.05 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 0.001274/1.577, allocations: 101.7 kB / 1.272 GB, free: 14.95 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.006761/1.584, allocations: 5.005 MB / 1.277 GB, free: 9.918 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.001905/1.586, allocations: 0.8318 MB / 1.278 GB, free: 9.074 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002366/1.589, allocations: 1.189 MB / 1.279 GB, free: 7.871 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 0.0001275/1.589, allocations: 309 kB / 1.279 GB, free: 7.566 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.009083/1.598, allocations: 3.853 MB / 1.283 GB, free: 3.695 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.9526/2.551, allocations: 6.018 MB / 1.289 GB, free: 369.1 MB / 0.9982 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0194/2.57, allocations: 9.407 MB / 1.298 GB, free: 366.7 MB / 0.9982 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001567/2.57, allocations: 14.97 kB / 1.298 GB, free: 366.7 MB / 0.9982 GB Notification: Performance of matching and sorting (n=652) (initialization): time 0.03105/2.601, allocations: 10.46 MB / 1.308 GB, free: 364.1 MB / 0.9982 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001242/2.601, allocations: 31.88 kB / 1.309 GB, free: 364.1 MB / 0.9982 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002544/2.602, allocations: 75.92 kB / 1.309 GB, free: 364.1 MB / 0.9982 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000178/2.602, allocations: 85.84 kB / 1.309 GB, free: 364.1 MB / 0.9982 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006973/2.609, allocations: 1.432 MB / 1.31 GB, free: 363.9 MB / 0.9982 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0001842/2.609, allocations: 121.9 kB / 1.31 GB, free: 363.9 MB / 0.9982 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008785/2.618, allocations: 0.8676 MB / 1.311 GB, free: 363.8 MB / 0.9982 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001528/2.619, allocations: 385.5 kB / 1.311 GB, free: 363.8 MB / 0.9982 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01219/2.632, allocations: 5.181 MB / 1.316 GB, free: 361.8 MB / 0.9982 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008625/2.64, allocations: 5.371 MB / 1.322 GB, free: 358 MB / 0.9982 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.01481/2.655, allocations: 8.159 MB / 1.33 GB, free: 353.4 MB / 0.9982 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.653e-05/2.655, allocations: 15.81 kB / 1.33 GB, free: 353.4 MB / 0.9982 GB Notification: Performance of matching and sorting (n=652) (initialization_lambda0): time 0.02166/2.677, allocations: 9.166 MB / 1.339 GB, free: 350.6 MB / 0.9982 GB Notification: Performance of prepare postOptimizeDAE: time 7.436e-05/2.677, allocations: 30.59 kB / 1.339 GB, free: 350.6 MB / 0.9982 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001366/2.677, allocations: 76.45 kB / 1.339 GB, free: 350.6 MB / 0.9982 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001148/2.677, allocations: 84.62 kB / 1.339 GB, free: 350.6 MB / 0.9982 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005732/2.683, allocations: 1.328 MB / 1.34 GB, free: 350.4 MB / 0.9982 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0001336/2.683, allocations: 123.4 kB / 1.34 GB, free: 350.4 MB / 0.9982 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009319/2.692, allocations: 0.6726 MB / 1.341 GB, free: 350.2 MB / 0.9982 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001559/2.694, allocations: 346.5 kB / 1.341 GB, free: 350.2 MB / 0.9982 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 266 * 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 (577): * Single equations (assignments): 547 * Array equations: 20 * Algorithm blocks: 0 * Record equations: 10 * 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 0.002907/2.697, allocations: 0.4966 MB / 1.342 GB, free: 349.8 MB / 0.9982 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003126/2.7, allocations: 0.9406 MB / 1.343 GB, free: 349.3 MB / 0.9982 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01898/2.719, allocations: 6.489 MB / 1.349 GB, free: 347.1 MB / 0.9982 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.587e-05/2.719, allocations: 36.88 kB / 1.349 GB, free: 347.1 MB / 0.9982 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.612e-05/2.719, allocations: 0 / 1.349 GB, free: 347.1 MB / 0.9982 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.637e-05/2.719, allocations: 18.61 kB / 1.349 GB, free: 347.1 MB / 0.9982 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0326/2.752, allocations: 12.93 MB / 1.362 GB, free: 336.1 MB / 0.9982 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.493e-05/2.752, allocations: 4 kB / 1.362 GB, free: 336.1 MB / 0.9982 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004185/2.756, allocations: 0.8154 MB / 1.362 GB, free: 335.3 MB / 0.9982 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.585e-05/2.756, allocations: 15.94 kB / 1.362 GB, free: 335.3 MB / 0.9982 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003846/2.757, allocations: 111.9 kB / 1.363 GB, free: 335.2 MB / 0.9982 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.891e-05/2.757, allocations: 14.61 kB / 1.363 GB, free: 335.1 MB / 0.9982 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.807e-06/2.757, allocations: 4 kB / 1.363 GB, free: 335.1 MB / 0.9982 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02237/2.779, allocations: 8.848 MB / 1.371 GB, free: 326.2 MB / 0.9982 GB Notification: Performance of postOpt removeConstants (simulation): time 0.005122/2.784, allocations: 1.667 MB / 1.373 GB, free: 324.5 MB / 0.9982 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003027/2.787, allocations: 67.98 kB / 1.373 GB, free: 324.5 MB / 0.9982 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007004/2.794, allocations: 403.6 kB / 1.373 GB, free: 324.1 MB / 0.9982 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005718/2.795, allocations: 182 kB / 1.373 GB, free: 323.9 MB / 0.9982 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0007337/2.796, allocations: 155.9 kB / 1.374 GB, free: 323.7 MB / 0.9982 GB Notification: Performance of sorting global known variables: time 0.01701/2.813, allocations: 10.31 MB / 1.384 GB, free: 313.5 MB / 0.9982 GB Notification: Performance of sort global known variables: time 4.3e-07/2.813, allocations: 0 / 1.384 GB, free: 313.5 MB / 0.9982 GB Notification: Performance of remove unused functions: time 0.01642/2.829, allocations: 4.056 MB / 1.388 GB, free: 309.6 MB / 0.9982 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 20 (pump1.filter.x[1],pump1.filter.x[2],pump2.filter.x[1],pump2.filter.x[2],pump3.filter.x[1],pump3.filter.x[2],pump4.filter.x[1],pump4.filter.x[2],pump5.filter.x[1],pump5.filter.x[2],forcedPump1.filter.x[1],forcedPump1.filter.x[2],forcedPump2.filter.x[1],forcedPump2.filter.x[2],forcedPump3.filter.x[1],forcedPump3.filter.x[2],forcedPump4.filter.x[1],forcedPump4.filter.x[2],forcedPump5.filter.x[1],forcedPump5.filter.x[2]) * 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 (294): * Single equations (assignments): 272 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 22 * 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 0.02571/2.855, allocations: 10.55 MB / 1.398 GB, free: 299.2 MB / 0.9982 GB Notification: Performance of simCode: created initialization part: time 0.02864/2.884, allocations: 12.77 MB / 1.41 GB, free: 286.3 MB / 0.9982 GB Notification: Performance of simCode: created event and clocks part: time 9.528e-06/2.884, allocations: 1.875 kB / 1.41 GB, free: 286.3 MB / 0.9982 GB Notification: Performance of simCode: created simulation system equations: time 0.006299/2.89, allocations: 2.582 MB / 1.413 GB, free: 283.7 MB / 0.9982 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02578/2.916, allocations: 5.029 MB / 1.418 GB, free: 278.9 MB / 0.9982 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1884/3.104, allocations: 130.8 MB / 1.546 GB, free: 139 MB / 0.9982 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004487/3.109, allocations: 5.049 MB / 1.551 GB, free: 133.9 MB / 0.9982 GB Notification: Performance of simCode: alias equations: time 0.01201/3.121, allocations: 2.64 MB / 1.553 GB, free: 131.2 MB / 0.9982 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.007668/3.128, allocations: 4.826 MB / 1.558 GB, free: 126.4 MB / 0.9982 GB Notification: Performance of SimCode: time 1.112e-06/3.128, allocations: 0 / 1.558 GB, free: 126.4 MB / 0.9982 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.7692/3.898, allocations: 266.3 MB / 1.818 GB, free: 264.4 MB / 0.9982 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.92/20.82, allocations: 5.75 kB / 1.818 GB, free: 264.4 MB / 0.9982 GB (rm -f Buildings_8_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.pipe ; mkfifo Buildings_8_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.pipe >> ../files/Buildings_8_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.sim & python3 -m fmpy simulate --output-file Buildings_8_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos_res.csv --start-time 0 --stop-time 1000 --timeout 50 --relative-tolerance 1e-08 Buildings_8_Buildings_Fluid_Movers_Validation_Pump_Nrpm_stratos.fmu > Buildings_8_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.pipe 2>&1)