Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Electrical.Machines.Examples.SynchronousMachines.SMEE_Rectifier.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: "" <> buildModelFMU(Modelica.Electrical.Machines.Examples.SynchronousMachines.SMEE_Rectifier,fileNamePrefix="Modelica_trunk_Modelica_Electrical_Machines_Examples_SynchronousMachines_SMEE_Rectifier",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Electrical.Machines.Examples.SynchronousMachines.SMEE_Rectifier,fileNamePrefix="Modelica_trunk_Modelica_Electrical_Machines_Examples_SynchronousMachines_SMEE_Rectifier",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001412/0.001412, allocations: 122.8 kB / 17.79 MB, free: 5.254 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001552/0.001552, allocations: 202 kB / 18.73 MB, free: 4.312 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.634/1.634, allocations: 227.4 MB / 246.9 MB, free: 10.49 MB / 206.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001994/0.001995, allocations: 55.91 kB / 358.2 MB, free: 13.4 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2809/0.2829, allocations: 50.54 MB / 408.8 MB, free: 1.551 MB / 318.1 MB Notification: Performance of NFInst.instantiate(Modelica.Electrical.Machines.Examples.SynchronousMachines.SMEE_Rectifier): time 0.01486/0.2978, allocations: 11.99 MB / 420.8 MB, free: 5.504 MB / 334.1 MB Notification: Performance of NFInst.instExpressions: time 0.01271/0.3106, allocations: 6.549 MB / 427.3 MB, free: 14.94 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002632/0.3132, allocations: 63.75 kB / 427.4 MB, free: 14.88 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003205/0.3165, allocations: 0.8849 MB / 428.3 MB, free: 13.98 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003981/0.3205, allocations: 0.9469 MB / 429.2 MB, free: 13.03 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.005407/0.326, allocations: 1.956 MB / 431.2 MB, free: 11.08 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.005849/0.3318, allocations: 3.445 MB / 434.6 MB, free: 7.617 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.00369/0.3355, allocations: 2.171 MB / 436.8 MB, free: 5.383 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002839/0.3384, allocations: 1.448 MB / 438.2 MB, free: 3.93 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003184/0.3417, allocations: 1.704 MB / 439.9 MB, free: 2.219 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001169/0.3429, allocations: 364 kB / 440.3 MB, free: 1.863 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002007/0.3449, allocations: 0.5777 MB / 440.9 MB, free: 1.285 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001638/0.3466, allocations: 0.9738 MB / 441.8 MB, free: 316 kB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.003342/0.3499, allocations: 1.668 MB / 443.5 MB, free: 14.63 MB / 366.1 MB Notification: Performance of NFConvertDAE.convert: time 0.007873/0.3578, allocations: 4.768 MB / 448.3 MB, free: 9.848 MB / 366.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.53e-06/0.3579, allocations: 4 kB / 448.3 MB, free: 9.844 MB / 366.1 MB Notification: Performance of FrontEnd: time 1.773e-06/0.3579, allocations: 0 / 448.3 MB, free: 9.844 MB / 366.1 MB Notification: Performance of Transformations before backend: time 0.0002045/0.3581, allocations: 0 / 448.3 MB, free: 9.844 MB / 366.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 617 * Number of variables: 617 Notification: Performance of Generate backend data structure: time 0.01074/0.3689, allocations: 3.523 MB / 451.8 MB, free: 6.25 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.302e-05/0.369, allocations: 12.03 kB / 451.8 MB, free: 6.238 MB / 366.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001018/0.37, allocations: 341.9 kB / 452.1 MB, free: 5.895 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001864/0.3719, allocations: 442.7 kB / 452.6 MB, free: 5.461 MB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004274/0.3762, allocations: 1.771 MB / 454.3 MB, free: 3.637 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001835/0.3764, allocations: 184.7 kB / 454.5 MB, free: 3.453 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007681/0.3772, allocations: 244 kB / 454.8 MB, free: 3.215 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007104/0.3843, allocations: 3.058 MB / 457.8 MB, free: 36 kB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001026/0.3844, allocations: 15.91 kB / 457.8 MB, free: 20 kB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004075/0.3849, allocations: 100.1 kB / 457.9 MB, free: 15.92 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000134/0.385, allocations: 100.6 kB / 458 MB, free: 15.82 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005585/0.3906, allocations: 2.54 MB / 460.6 MB, free: 13.26 MB / 382.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01949/0.4101, allocations: 10.16 MB / 470.7 MB, free: 2.797 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003887/0.414, allocations: 2.73 MB / 473.5 MB, free: 15.89 MB / 398.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002196/0.4163, allocations: 1.231 MB / 474.7 MB, free: 14.66 MB / 398.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0002763/0.4166, allocations: 118.4 kB / 474.8 MB, free: 14.53 MB / 398.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.75e-05/0.4166, allocations: 59.81 kB / 474.9 MB, free: 14.46 MB / 398.1 MB Notification: Performance of pre-optimization done (n=149): time 3.547e-06/0.4166, allocations: 0 / 474.9 MB, free: 14.46 MB / 398.1 MB Notification: Performance of matching and sorting (n=166): time 0.02072/0.4374, allocations: 8.064 MB / 482.9 MB, free: 6.238 MB / 398.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001573/0.4376, allocations: 201.2 kB / 483.1 MB, free: 5.996 MB / 398.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004013/0.4416, allocations: 1.87 MB / 485 MB, free: 4.082 MB / 398.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0002789/0.4419, allocations: 57.7 kB / 485.1 MB, free: 4.02 MB / 398.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.001165/0.4431, allocations: 1.191 MB / 486.2 MB, free: 2.816 MB / 398.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0006722/0.4438, allocations: 0.581 MB / 486.8 MB, free: 2.23 MB / 398.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008272/0.4446, allocations: 339.5 kB / 487.2 MB, free: 1.895 MB / 398.1 MB Notification: Performance of setup shared object (initialization): time 0.0001416/0.4448, allocations: 309 kB / 487.5 MB, free: 1.59 MB / 398.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001626/0.4464, allocations: 0.8792 MB / 488.3 MB, free: 0.707 MB / 398.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002204/0.4486, allocations: 1.319 MB / 489.7 MB, free: 15.2 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.003819/0.4524, allocations: 2.258 MB / 491.9 MB, free: 12.78 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.486e-05/0.4525, allocations: 4 kB / 491.9 MB, free: 12.77 MB / 414.1 MB Notification: Performance of matching and sorting (n=242) (initialization): time 0.006377/0.4589, allocations: 3.165 MB / 495.1 MB, free: 9.562 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 3.716e-05/0.4589, allocations: 12 kB / 495.1 MB, free: 9.551 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.923e-05/0.459, allocations: 12.34 kB / 495.1 MB, free: 9.539 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002202/0.4612, allocations: 0.7996 MB / 495.9 MB, free: 8.723 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001497/0.4627, allocations: 363.4 kB / 496.3 MB, free: 8.367 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01623/0.479, allocations: 13 MB / 0.4973 GB, free: 10.67 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00223/0.4812, allocations: 103.9 kB / 0.4974 GB, free: 10.57 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003638/0.4816, allocations: 75.98 kB / 0.4975 GB, free: 10.5 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003287/0.4849, allocations: 1.472 MB / 0.4989 GB, free: 9.02 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002222/0.4872, allocations: 1.312 MB / 0.5002 GB, free: 7.527 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003667/0.4909, allocations: 2.235 MB / 0.5024 GB, free: 5.125 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.833e-05/0.4909, allocations: 15.88 kB / 0.5024 GB, free: 5.109 MB / 430.1 MB Notification: Performance of matching and sorting (n=242) (initialization_lambda0): time 0.006602/0.4975, allocations: 3.138 MB / 0.5055 GB, free: 1.926 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.689e-05/0.4976, allocations: 10.81 kB / 0.5055 GB, free: 1.918 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.448e-05/0.4976, allocations: 16 kB / 0.5055 GB, free: 1.902 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002146/0.4998, allocations: 0.7888 MB / 0.5063 GB, free: 1.098 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00144/0.5012, allocations: 367.3 kB / 0.5066 GB, free: 0.7383 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01615/0.5174, allocations: 13.01 MB / 0.5193 GB, free: 3.043 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001967/0.5194, allocations: 96 kB / 0.5194 GB, free: 2.949 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003347/0.5198, allocations: 75.94 kB / 0.5195 GB, free: 2.875 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 55 * Number of states: 0 () * Number of discrete variables: 7 (idealDiode2.idealDiode[3].off,idealDiode2.idealDiode[2].off,idealDiode2.idealDiode[1].off,idealDiode1.idealDiode[3].off,idealDiode1.idealDiode[2].off,idealDiode1.idealDiode[1].off,voltageController.I.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (191): * Single equations (assignments): 183 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 1 system {(2,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(3,16,100.0%), (1,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(2,7), (2,7), (2,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0008744/0.5207, allocations: 303.8 kB / 0.5198 GB, free: 2.57 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007047/0.5214, allocations: 226.6 kB / 0.52 GB, free: 2.348 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005939/0.5273, allocations: 2.86 MB / 0.5228 GB, free: 15.44 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.098e-05/0.5274, allocations: 16 kB / 0.5228 GB, free: 15.42 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.757e-05/0.5274, allocations: 4 kB / 0.5228 GB, free: 15.42 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.977e-05/0.5274, allocations: 7.969 kB / 0.5228 GB, free: 15.41 MB / 462.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01203/0.5395, allocations: 5.663 MB / 0.5284 GB, free: 9.59 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.283e-05/0.5396, allocations: 7.938 kB / 0.5284 GB, free: 9.582 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001053/0.5407, allocations: 231.7 kB / 0.5286 GB, free: 9.355 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002351/0.5431, allocations: 0.8285 MB / 0.5294 GB, free: 8.508 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001831/0.5433, allocations: 43.98 kB / 0.5294 GB, free: 8.465 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.2523/0.7956, allocations: 14.58 MB / 0.5437 GB, free: 118.6 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.73e-06/0.7957, allocations: 14.62 kB / 0.5437 GB, free: 118.6 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005771/0.8014, allocations: 4.049 MB / 0.5476 GB, free: 117.3 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001054/0.8025, allocations: 0.4887 MB / 0.5481 GB, free: 117.1 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003143/0.8029, allocations: 43.19 kB / 0.5482 GB, free: 117.1 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001162/0.804, allocations: 92.64 kB / 0.5482 GB, free: 117 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003555/0.8044, allocations: 137 kB / 0.5484 GB, free: 117 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.336e-05/0.8045, allocations: 47.16 kB / 0.5484 GB, free: 117 MB / 462.1 MB Notification: Performance of sorting global known variables: time 0.001893/0.8064, allocations: 1.287 MB / 0.5497 GB, free: 116.5 MB / 462.1 MB Notification: Performance of sort global known variables: time 1.2e-07/0.8064, allocations: 0 / 0.5497 GB, free: 116.5 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.004317/0.8107, allocations: 1.07 MB / 0.5507 GB, free: 116.4 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 12 (smee.idq_sr[1],smee.idq_sr[2],smee.idq_rr[1],smee.idq_rr[2],smee.idq_dr[1],speed.phi,speed.w,voltageController.I.y,capacitor1.v,capacitor2.v,filter.x[1],filter.x[2]) * Number of discrete variables: 6 (idealDiode1.idealDiode[1].off,idealDiode1.idealDiode[2].off,idealDiode1.idealDiode[3].off,idealDiode2.idealDiode[1].off,idealDiode2.idealDiode[2].off,idealDiode2.idealDiode[3].off) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (120): * Single equations (assignments): 114 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(3,16,100.0%), (1,6,100.0%), (2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(2,7), (2,7), (2,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.006262/0.817, allocations: 4.767 MB / 0.5554 GB, free: 114.2 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.007237/0.8243, allocations: 5.309 MB / 0.5606 GB, free: 109.6 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 1.021e-05/0.8244, allocations: 0 / 0.5606 GB, free: 109.6 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 0.002839/0.8272, allocations: 2.107 MB / 0.5626 GB, free: 107.7 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003002/0.8302, allocations: 0.5977 MB / 0.5632 GB, free: 107.2 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02893/0.8592, allocations: 21.55 MB / 0.5842 GB, free: 85.77 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001765/0.861, allocations: 1.981 MB / 0.5862 GB, free: 83.75 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 0.001619/0.8626, allocations: 0.4895 MB / 0.5867 GB, free: 83.25 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001026/0.8637, allocations: 0.9913 MB / 0.5876 GB, free: 82.26 MB / 462.1 MB Notification: Performance of SimCode: time 7.12e-07/0.8637, allocations: 0 / 0.5876 GB, free: 82.26 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1633/1.027, allocations: 65.24 MB / 0.6513 GB, free: 17.59 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 18.06/19.08, allocations: 7.469 kB / 0.6513 GB, free: 17.59 MB / 462.1 MB (rm -f Modelica_trunk_Modelica.Electrical.Machines.Examples.SynchronousMachines.SMEE_Rectifier.pipe ; mkfifo Modelica_trunk_Modelica.Electrical.Machines.Examples.SynchronousMachines.SMEE_Rectifier.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Electrical.Machines.Examples.SynchronousMachines.SMEE_Rectifier.pipe >> ../files/Modelica_trunk_Modelica.Electrical.Machines.Examples.SynchronousMachines.SMEE_Rectifier.sim & python3 -m fmpy simulate --output-file Modelica_trunk_Modelica.Electrical.Machines.Examples.SynchronousMachines.SMEE_Rectifier_res.csv --start-time 0 --stop-time 1.1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0001 Modelica_trunk_Modelica_Electrical_Machines_Examples_SynchronousMachines_SMEE_Rectifier.fmu > Modelica_trunk_Modelica.Electrical.Machines.Examples.SynchronousMachines.SMEE_Rectifier.pipe 2>&1)