Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Modelica_3.2.1_Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier.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) 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: translateModel(Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier,tolerance=1e-06,outputFormat="empty",numberOfIntervals=22000,variableFilter="",fileNamePrefix="Modelica_3.2.1_Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier") translateModel(Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier,tolerance=1e-06,outputFormat="empty",numberOfIntervals=22000,variableFilter="",fileNamePrefix="Modelica_3.2.1_Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001524/0.001524, 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 0.001592/0.001592, allocations: 193.1 kB / 16.13 MB, free: 6.668 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.724/1.724, allocations: 205.1 MB / 222 MB, free: 4.734 MB / 174.1 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 0.001109/0.00111, allocations: 59.92 kB / 278.1 MB, free: 12.74 MB / 238.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3665/0.3676, allocations: 46.63 MB / 324.7 MB, free: 1.922 MB / 254.1 MB Notification: Performance of NFInst.instantiate(Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier): time 0.01587/0.3835, allocations: 11.83 MB / 336.5 MB, free: 8.266 MB / 270.1 MB Notification: Performance of NFInst.instExpressions: time 0.01776/0.4014, allocations: 6.911 MB / 343.4 MB, free: 1.336 MB / 270.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.005195/0.4066, allocations: 55.75 kB / 343.5 MB, free: 1.281 MB / 270.1 MB Notification: Performance of NFTyping.typeComponents: time 0.004146/0.4108, allocations: 0.7461 MB / 344.2 MB, free: 0.5312 MB / 270.1 MB Notification: Performance of NFTyping.typeBindings: time 0.005572/0.4165, allocations: 0.8506 MB / 345.1 MB, free: 15.67 MB / 286.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.005996/0.4225, allocations: 1.549 MB / 346.6 MB, free: 14.12 MB / 286.1 MB Notification: Performance of NFFlatten.flatten: time 0.007675/0.4302, allocations: 3.835 MB / 350.5 MB, free: 10.28 MB / 286.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003815/0.434, allocations: 1.786 MB / 352.2 MB, free: 8.438 MB / 286.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003494/0.4376, allocations: 1.257 MB / 353.5 MB, free: 7.176 MB / 286.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004048/0.4416, allocations: 1.634 MB / 355.1 MB, free: 5.535 MB / 286.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001019/0.4427, allocations: 220 kB / 355.4 MB, free: 5.32 MB / 286.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001731/0.4444, allocations: 451.5 kB / 355.8 MB, free: 4.879 MB / 286.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001051/0.4455, allocations: 0.833 MB / 356.6 MB, free: 4.043 MB / 286.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002672/0.4482, allocations: 1.508 MB / 358.1 MB, free: 2.527 MB / 286.1 MB Notification: Performance of NFConvertDAE.convert: time 0.005652/0.4539, allocations: 4.564 MB / 362.7 MB, free: 13.95 MB / 302.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.392e-06/0.4539, allocations: 0 / 362.7 MB, free: 13.95 MB / 302.1 MB Notification: Performance of FrontEnd: time 1.273e-06/0.4539, allocations: 0 / 362.7 MB, free: 13.95 MB / 302.1 MB Notification: Performance of Transformations before backend: time 0.000146/0.4541, allocations: 4 kB / 362.7 MB, free: 13.95 MB / 302.1 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 0.0112/0.4653, allocations: 3.429 MB / 366.1 MB, free: 10.45 MB / 302.1 MB Notification: Performance of prepare preOptimizeDAE: time 7.359e-05/0.4654, allocations: 12.03 kB / 366.1 MB, free: 10.44 MB / 302.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001736/0.4671, allocations: 428.9 kB / 366.6 MB, free: 10.02 MB / 302.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004629/0.4718, allocations: 1.657 MB / 368.2 MB, free: 8.305 MB / 302.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001862/0.472, allocations: 180.9 kB / 368.4 MB, free: 8.125 MB / 302.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005921/0.4726, allocations: 251.8 kB / 368.6 MB, free: 7.879 MB / 302.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007118/0.4797, allocations: 3.041 MB / 371.7 MB, free: 4.719 MB / 302.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.24e-05/0.4798, allocations: 7.906 kB / 371.7 MB, free: 4.711 MB / 302.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002287/0.4801, allocations: 99.98 kB / 371.8 MB, free: 4.613 MB / 302.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001195/0.4802, allocations: 104.6 kB / 371.9 MB, free: 4.508 MB / 302.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005482/0.4857, allocations: 2.528 MB / 374.4 MB, free: 1.965 MB / 302.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02473/0.5105, allocations: 10.28 MB / 384.7 MB, free: 7.371 MB / 318.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.004301/0.5148, allocations: 2.712 MB / 387.4 MB, free: 4.48 MB / 318.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002081/0.5169, allocations: 1.235 MB / 388.6 MB, free: 3.246 MB / 318.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0002928/0.5172, allocations: 119 kB / 388.8 MB, free: 3.113 MB / 318.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.401e-05/0.5173, allocations: 67.75 kB / 388.8 MB, free: 3.039 MB / 318.1 MB Notification: Performance of pre-optimization done (n=149): time 3.817e-06/0.5173, allocations: 0 / 388.8 MB, free: 3.039 MB / 318.1 MB Notification: Performance of matching and sorting (n=166): time 0.02054/0.5379, allocations: 8.111 MB / 396.9 MB, free: 10.74 MB / 334.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001542/0.5381, allocations: 175.5 kB / 397.1 MB, free: 10.53 MB / 334.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004593/0.5427, allocations: 1.874 MB / 399 MB, free: 8.613 MB / 334.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0002989/0.543, allocations: 57.7 kB / 399 MB, free: 8.551 MB / 334.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.001111/0.5441, allocations: 1.149 MB / 400.2 MB, free: 7.387 MB / 334.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0007523/0.5449, allocations: 0.5621 MB / 400.7 MB, free: 6.816 MB / 334.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000787/0.5457, allocations: 343.3 kB / 401.1 MB, free: 6.473 MB / 334.1 MB Notification: Performance of setup shared object (initialization): time 0.0001375/0.5459, allocations: 301.1 kB / 401.4 MB, free: 6.176 MB / 334.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001664/0.5475, allocations: 0.8792 MB / 402.3 MB, free: 5.293 MB / 334.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002103/0.5497, allocations: 1.315 MB / 403.6 MB, free: 3.797 MB / 334.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.003791/0.5535, allocations: 2.254 MB / 405.8 MB, free: 1.375 MB / 334.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.519e-05/0.5535, allocations: 4 kB / 405.8 MB, free: 1.371 MB / 334.1 MB Notification: Performance of matching and sorting (n=242) (initialization): time 0.006902/0.5604, allocations: 3.156 MB / 409 MB, free: 14.16 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 5.736e-05/0.5605, allocations: 8 kB / 409 MB, free: 14.16 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.601e-05/0.5606, allocations: 16.34 kB / 409 MB, free: 14.14 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002392/0.563, allocations: 0.8009 MB / 409.8 MB, free: 13.32 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00152/0.5645, allocations: 363.4 kB / 410.2 MB, free: 12.97 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01581/0.5803, allocations: 11.84 MB / 422 MB, free: 460 kB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002739/0.5831, allocations: 107.8 kB / 422.1 MB, free: 352 kB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005472/0.5837, allocations: 72 kB / 422.2 MB, free: 280 kB / 350.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004018/0.5878, allocations: 1.472 MB / 423.7 MB, free: 14.79 MB / 366.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002468/0.5903, allocations: 1.303 MB / 425 MB, free: 13.31 MB / 366.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004193/0.5945, allocations: 2.243 MB / 427.2 MB, free: 10.9 MB / 366.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.692e-05/0.5945, allocations: 4 kB / 427.2 MB, free: 10.89 MB / 366.1 MB Notification: Performance of matching and sorting (n=242) (initialization_lambda0): time 0.006908/0.6014, allocations: 3.125 MB / 430.3 MB, free: 7.723 MB / 366.1 MB Notification: Performance of prepare postOptimizeDAE: time 4.134e-05/0.6015, allocations: 8 kB / 430.3 MB, free: 7.715 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.234e-05/0.6016, allocations: 15.98 kB / 430.4 MB, free: 7.699 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002354/0.6039, allocations: 0.7944 MB / 431.1 MB, free: 6.891 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001467/0.6054, allocations: 363.4 kB / 431.5 MB, free: 6.535 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01612/0.6216, allocations: 11.85 MB / 443.3 MB, free: 10.01 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003202/0.6249, allocations: 99.91 kB / 443.4 MB, free: 9.914 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006332/0.6255, allocations: 76 kB / 443.5 MB, free: 9.84 MB / 382.1 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 0.001289/0.6268, allocations: 295.7 kB / 443.8 MB, free: 9.543 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001202/0.6281, allocations: 221.4 kB / 444 MB, free: 9.324 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006985/0.6351, allocations: 2.857 MB / 446.9 MB, free: 6.422 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.024e-05/0.6352, allocations: 20 kB / 446.9 MB, free: 6.402 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.084e-05/0.6352, allocations: 7.938 kB / 446.9 MB, free: 6.395 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.894e-05/0.6353, allocations: 7.969 kB / 446.9 MB, free: 6.387 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01415/0.6494, allocations: 5.684 MB / 452.6 MB, free: 0.5586 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.286e-05/0.6495, allocations: 4 kB / 452.6 MB, free: 0.5547 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00102/0.6505, allocations: 235.6 kB / 452.8 MB, free: 332 kB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.3272/0.9778, allocations: 0.8197 MB / 453.7 MB, free: 110.1 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004685/0.9783, allocations: 43.05 kB / 453.7 MB, free: 110.1 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0146/0.9929, allocations: 13.29 MB / 467 MB, free: 101.4 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.251e-06/0.993, allocations: 3.875 kB / 467 MB, free: 101.4 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00718/1, allocations: 4.052 MB / 471 MB, free: 99.69 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001322/1.002, allocations: 481.6 kB / 471.5 MB, free: 99.49 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003017/1.002, allocations: 42.89 kB / 471.6 MB, free: 99.47 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001106/1.003, allocations: 86.83 kB / 471.6 MB, free: 99.45 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004598/1.003, allocations: 141.9 kB / 471.8 MB, free: 99.42 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001006/1.004, allocations: 41.64 kB / 471.8 MB, free: 99.41 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.00215/1.006, allocations: 1.285 MB / 473.1 MB, free: 98.89 MB / 382.1 MB Notification: Performance of sort global known variables: time 1.31e-07/1.006, allocations: 2.953 kB / 473.1 MB, free: 98.89 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.004841/1.011, allocations: 1.078 MB / 474.2 MB, free: 98.8 MB / 382.1 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 0.0008769/1.011, allocations: 242.5 kB / 474.4 MB, free: 98.68 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.008824/1.02, allocations: 5.279 MB / 479.7 MB, free: 94.41 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 1.169e-05/1.02, allocations: 1.219 kB / 479.7 MB, free: 94.41 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.003129/1.023, allocations: 2.088 MB / 481.8 MB, free: 92.3 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003858/1.027, allocations: 0.5453 MB / 482.3 MB, free: 91.77 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01176/1.039, allocations: 6.696 MB / 489 MB, free: 85.14 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001779/1.041, allocations: 1.973 MB / 491 MB, free: 83.14 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.002176/1.043, allocations: 0.4975 MB / 491.5 MB, free: 82.64 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003915/1.044, allocations: 123.4 kB / 491.6 MB, free: 82.52 MB / 382.1 MB Notification: Performance of SimCode: time 2.514e-06/1.044, allocations: 0 / 491.6 MB, free: 82.52 MB / 382.1 MB Notification: Performance of Templates: time 0.07285/1.116, allocations: 41.58 MB / 0.5207 GB, free: 40.89 MB / 382.1 MB make -j1 -f Modelica_3.2.1_Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier.makefile (rm -f Modelica_3.2.1_Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier.pipe ; mkfifo Modelica_3.2.1_Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier.pipe ; head -c 1048576 < Modelica_3.2.1_Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier.pipe >> ../files/Modelica_3.2.1_Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier.sim & ./Modelica_3.2.1_Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier -abortSlowSimulation -alarm=480 -lv LOG_STATS > Modelica_3.2.1_Modelica.Electrical.Machines.Examples.SynchronousInductionMachines.SMEE_Rectifier.pipe 2>&1)