Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.HeatPumps.Validation.Carnot_y_etaPL.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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: "" <> buildModelFMU(IDEAS.Fluid.HeatPumps.Validation.Carnot_y_etaPL,fileNamePrefix="IDEAS_IDEAS_Fluid_HeatPumps_Validation_Carnot_y_etaPL",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.HeatPumps.Validation.Carnot_y_etaPL,fileNamePrefix="IDEAS_IDEAS_Fluid_HeatPumps_Validation_Carnot_y_etaPL",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 0.001037/0.001037, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001057/0.001057, allocations: 198.1 kB / 16.54 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.243/1.243, allocations: 222.9 MB / 240.2 MB, free: 4.391 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7019/0.7019, allocations: 132.2 MB / 422.6 MB, free: 1.789 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001192/0.001192, allocations: 64.73 kB / 0.5019 GB, free: 3.797 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3317/0.3329, allocations: 80.21 MB / 0.5802 GB, free: 4.562 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatPumps.Validation.Carnot_y_etaPL): time 0.07173/0.4047, allocations: 75.21 MB / 0.6536 GB, free: 6.133 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.01908/0.4238, allocations: 15.14 MB / 0.6684 GB, free: 6.953 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002585/0.4264, allocations: 71.62 kB / 0.6685 GB, free: 6.883 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.002309/0.4287, allocations: 0.8267 MB / 0.6693 GB, free: 6.051 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.006484/0.4353, allocations: 2.577 MB / 0.6718 GB, free: 3.461 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003247/0.4385, allocations: 1.384 MB / 0.6732 GB, free: 2.094 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.005108/0.4437, allocations: 4.393 MB / 0.6775 GB, free: 13.68 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002043/0.4457, allocations: 1.445 MB / 0.6789 GB, free: 12.2 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003253/0.449, allocations: 1.636 MB / 0.6805 GB, free: 10.56 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001822/0.4508, allocations: 1.217 MB / 0.6817 GB, free: 9.34 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.0003313/0.4512, allocations: 160 kB / 0.6818 GB, free: 9.184 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002977/0.4541, allocations: 1.419 MB / 0.6832 GB, free: 7.762 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.0004736/0.4546, allocations: 394.6 kB / 0.6836 GB, free: 7.375 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.001172/0.4558, allocations: 0.9061 MB / 0.6845 GB, free: 6.465 MB / 0.5137 GB Notification: Performance of NFConvertDAE.convert: time 0.003753/0.4596, allocations: 2.855 MB / 0.6872 GB, free: 3.602 MB / 0.5137 GB Notification: Performance of FrontEnd - DAE generated: time 6.492e-06/0.4596, allocations: 7.922 kB / 0.6872 GB, free: 3.594 MB / 0.5137 GB Notification: Performance of FrontEnd: time 1.112e-06/0.4596, allocations: 0 / 0.6872 GB, free: 3.594 MB / 0.5137 GB Notification: Performance of Transformations before backend: time 5.421e-05/0.4597, allocations: 0 / 0.6872 GB, free: 3.594 MB / 0.5137 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 240 * Number of variables: 240 Notification: Performance of Generate backend data structure: time 0.00377/0.4634, allocations: 2.095 MB / 0.6893 GB, free: 1.434 MB / 0.5137 GB Notification: Performance of prepare preOptimizeDAE: time 3.772e-05/0.4635, allocations: 16.02 kB / 0.6893 GB, free: 1.418 MB / 0.5137 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000163/0.4637, allocations: 152.1 kB / 0.6895 GB, free: 1.262 MB / 0.5137 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007949/0.4645, allocations: 234.8 kB / 0.6897 GB, free: 1.031 MB / 0.5137 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002184/0.4667, allocations: 1.458 MB / 0.6911 GB, free: 15.52 MB / 0.5294 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.54e-05/0.4667, allocations: 78 kB / 0.6912 GB, free: 15.44 MB / 0.5294 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001371/0.4669, allocations: 104 kB / 0.6913 GB, free: 15.34 MB / 0.5294 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001907/0.4688, allocations: 1.1 MB / 0.6923 GB, free: 14.2 MB / 0.5294 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.645e-05/0.4688, allocations: 7.906 kB / 0.6924 GB, free: 14.2 MB / 0.5294 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.634e-05/0.4689, allocations: 39.98 kB / 0.6924 GB, free: 14.16 MB / 0.5294 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.206e-05/0.469, allocations: 31.98 kB / 0.6924 GB, free: 14.12 MB / 0.5294 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001843/0.4708, allocations: 0.8939 MB / 0.6933 GB, free: 13.23 MB / 0.5294 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 0.005336/0.4762, allocations: 4.954 MB / 0.6981 GB, free: 7.988 MB / 0.5294 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001366/0.4775, allocations: 0.6218 MB / 0.6987 GB, free: 7.363 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006961/0.4782, allocations: 346.3 kB / 0.6991 GB, free: 7.023 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006007/0.4789, allocations: 0.8316 MB / 0.6999 GB, free: 6.004 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.581e-05/0.4789, allocations: 51 kB / 0.6999 GB, free: 5.945 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=62): time 1.974e-06/0.4789, allocations: 0 / 0.6999 GB, free: 5.945 MB / 0.5294 GB Notification: Performance of matching and sorting (n=62): time 0.004765/0.4837, allocations: 1.397 MB / 0.7013 GB, free: 4.523 MB / 0.5294 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.819e-05/0.4837, allocations: 59.97 kB / 0.7014 GB, free: 4.453 MB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001466/0.4852, allocations: 1.234 MB / 0.7026 GB, free: 3.203 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 6.306e-05/0.4853, allocations: 41.7 kB / 0.7026 GB, free: 3.156 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004666/0.4857, allocations: 0.5988 MB / 0.7032 GB, free: 2.551 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001682/0.4859, allocations: 224.8 kB / 0.7034 GB, free: 2.328 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002239/0.4862, allocations: 154.6 kB / 0.7035 GB, free: 2.172 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 0.0001128/0.4863, allocations: 333.9 kB / 0.7039 GB, free: 1.84 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006646/0.4869, allocations: 292.7 kB / 0.7041 GB, free: 1.551 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008211/0.4878, allocations: 497.4 kB / 0.7046 GB, free: 0.9922 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001414/0.4892, allocations: 0.7042 MB / 0.7053 GB, free: 252 kB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.728e-06/0.4892, allocations: 4 kB / 0.7053 GB, free: 248 kB / 0.5294 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.004673/0.4939, allocations: 1.273 MB / 0.7066 GB, free: 14.96 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 1.81e-05/0.4939, allocations: 4 kB / 0.7066 GB, free: 14.95 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.267e-06/0.4939, allocations: 4 kB / 0.7066 GB, free: 14.95 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006594/0.4946, allocations: 164.4 kB / 0.7067 GB, free: 14.79 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005835/0.4952, allocations: 151.8 kB / 0.7069 GB, free: 14.64 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008212/0.496, allocations: 0.7123 MB / 0.7076 GB, free: 13.9 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009268/0.497, allocations: 119 kB / 0.7077 GB, free: 13.79 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.517e-05/0.497, allocations: 35.98 kB / 0.7077 GB, free: 13.75 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000996/0.498, allocations: 0.5566 MB / 0.7082 GB, free: 13.19 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008025/0.4989, allocations: 495.8 kB / 0.7087 GB, free: 12.63 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001366/0.5002, allocations: 0.6965 MB / 0.7094 GB, free: 11.89 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.174e-06/0.5002, allocations: 3.938 kB / 0.7094 GB, free: 11.88 MB / 0.545 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.004578/0.5048, allocations: 1.269 MB / 0.7106 GB, free: 10.6 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 1.14e-05/0.5049, allocations: 6.188 kB / 0.7107 GB, free: 10.6 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.911e-06/0.5049, allocations: 4 kB / 0.7107 GB, free: 10.59 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005575/0.5054, allocations: 157.1 kB / 0.7108 GB, free: 10.44 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005932/0.506, allocations: 155.8 kB / 0.711 GB, free: 10.29 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008138/0.5069, allocations: 0.72 MB / 0.7117 GB, free: 9.539 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009496/0.5078, allocations: 103.4 kB / 0.7118 GB, free: 9.438 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.588e-05/0.5079, allocations: 28 kB / 0.7118 GB, free: 9.41 MB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * 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 (77): * Single equations (assignments): 76 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,11)} Notification: Performance of prepare postOptimizeDAE: time 0.0002181/0.5081, allocations: 232.1 kB / 0.712 GB, free: 9.176 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002262/0.5083, allocations: 138.2 kB / 0.7121 GB, free: 9.039 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004559/0.5129, allocations: 1.255 MB / 0.7134 GB, free: 7.77 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.132e-05/0.5129, allocations: 7.938 kB / 0.7134 GB, free: 7.762 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.819e-06/0.513, allocations: 4 kB / 0.7134 GB, free: 7.758 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.004197/0.5172, allocations: 1.088 MB / 0.7144 GB, free: 6.637 MB / 0.545 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003649/0.5208, allocations: 2.321 MB / 0.7167 GB, free: 4.203 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.961e-06/0.5208, allocations: 0 / 0.7167 GB, free: 4.203 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004575/0.5213, allocations: 111.9 kB / 0.7168 GB, free: 4.094 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005491/0.5219, allocations: 157 kB / 0.717 GB, free: 3.938 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.244e-05/0.5219, allocations: 23.98 kB / 0.717 GB, free: 3.914 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000762/0.5227, allocations: 0.7006 MB / 0.7177 GB, free: 3.188 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.037e-06/0.5227, allocations: 4 kB / 0.7177 GB, free: 3.184 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002573/0.5253, allocations: 1.395 MB / 0.719 GB, free: 1.719 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000399/0.5257, allocations: 315.1 kB / 0.7193 GB, free: 1.391 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001636/0.5258, allocations: 12 kB / 0.7193 GB, free: 1.379 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007724/0.5266, allocations: 59.98 kB / 0.7194 GB, free: 1.32 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.877e-05/0.5267, allocations: 56.19 kB / 0.7195 GB, free: 1.266 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.63e-05/0.5268, allocations: 31.98 kB / 0.7195 GB, free: 1.234 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.001066/0.5279, allocations: 0.8857 MB / 0.7203 GB, free: 356 kB / 0.545 GB Notification: Performance of sort global known variables: time 1.9e-07/0.5279, allocations: 0 / 0.7203 GB, free: 356 kB / 0.545 GB Notification: Performance of remove unused functions: time 0.001565/0.5295, allocations: 0.7175 MB / 0.721 GB, free: 15.62 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 2 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U) * 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 (55): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,11)} Notification: Performance of Backend phase and start with SimCode phase: time 0.003524/0.533, allocations: 2.298 MB / 0.7233 GB, free: 13.28 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.002598/0.5356, allocations: 1.16 MB / 0.7244 GB, free: 12.12 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 5.13e-06/0.5356, allocations: 4 kB / 0.7244 GB, free: 12.11 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.0008839/0.5365, allocations: 391.3 kB / 0.7248 GB, free: 11.73 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003234/0.5397, allocations: 0.8143 MB / 0.7256 GB, free: 10.97 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01871/0.5585, allocations: 10.5 MB / 0.7359 GB, free: 15.96 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006604/0.5592, allocations: 1.18 MB / 0.737 GB, free: 14.76 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001128/0.5603, allocations: 302.3 kB / 0.7373 GB, free: 14.46 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006416/0.5609, allocations: 0.5226 MB / 0.7378 GB, free: 13.94 MB / 0.5762 GB Notification: Performance of SimCode: time 5.21e-07/0.561, allocations: 0 / 0.7378 GB, free: 13.94 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.07092/0.6319, allocations: 42.21 MB / 0.779 GB, free: 4.262 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.22/11.85, allocations: 6.562 kB / 0.779 GB, free: 4.258 MB / 0.6075 GB (rm -f IDEAS_IDEAS.Fluid.HeatPumps.Validation.Carnot_y_etaPL.pipe ; mkfifo IDEAS_IDEAS.Fluid.HeatPumps.Validation.Carnot_y_etaPL.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.HeatPumps.Validation.Carnot_y_etaPL.pipe >> ../files/IDEAS_IDEAS.Fluid.HeatPumps.Validation.Carnot_y_etaPL.sim & python3 -m fmpy simulate --output-file IDEAS_IDEAS.Fluid.HeatPumps.Validation.Carnot_y_etaPL_res.csv --start-time 0 --stop-time 3600 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.44 IDEAS_IDEAS_Fluid_HeatPumps_Validation_Carnot_y_etaPL.fmu > IDEAS_IDEAS.Fluid.HeatPumps.Validation.Carnot_y_etaPL.pipe 2>&1)