Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.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 7.0.3-maint.7.0.x/package.mo", uses=false)
Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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: translateModel(Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads")
translateModel(Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.009973/0.009973, allocations: 101.1 kB / 15.73 MB, free: 6.039 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002048/0.002048, allocations: 190.4 kB / 16.67 MB, free: 5.977 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.754/1.754, allocations: 205.1 MB / 222.5 MB, free: 4.383 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.938/1.938, allocations: 251.7 MB / 0.5094 GB, free: 3.035 MB / 414.1 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 0.002954/0.002954, allocations: 71.89 kB / 0.7258 GB, free: 9.008 MB / 0.545 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2922/0.2952, allocations: 104.7 MB / 0.828 GB, free: 200 kB / 0.6387 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads): time 0.008963/0.3042, allocations: 4.336 MB / 0.8323 GB, free: 11.84 MB / 0.6544 GB
Notification: Performance of NFInst.instExpressions: time 0.006558/0.3108, allocations: 2.712 MB / 0.8349 GB, free: 9.109 MB / 0.6544 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0006187/0.3115, allocations: 11.94 kB / 0.8349 GB, free: 9.098 MB / 0.6544 GB
Notification: Performance of NFTyping.typeComponents: time 0.001559/0.3131, allocations: 369.9 kB / 0.8353 GB, free: 8.738 MB / 0.6544 GB
Notification: Performance of NFTyping.typeBindings: time 0.001541/0.3146, allocations: 410.1 kB / 0.8357 GB, free: 8.336 MB / 0.6544 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001777/0.3165, allocations: 0.5029 MB / 0.8362 GB, free: 7.832 MB / 0.6544 GB
Notification: Performance of NFFlatten.flatten: time 0.001413/0.3179, allocations: 0.7359 MB / 0.8369 GB, free: 7.094 MB / 0.6544 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0008518/0.3188, allocations: 363.5 kB / 0.8372 GB, free: 6.73 MB / 0.6544 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0006905/0.3195, allocations: 283 kB / 0.8375 GB, free: 6.453 MB / 0.6544 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0008455/0.3203, allocations: 346.7 kB / 0.8378 GB, free: 6.113 MB / 0.6544 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001505/0.3205, allocations: 40 kB / 0.8379 GB, free: 6.074 MB / 0.6544 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00079/0.3213, allocations: 311.3 kB / 0.8382 GB, free: 5.77 MB / 0.6544 GB
Notification: Performance of NFScalarize.scalarize: time 0.0005052/0.3218, allocations: 203.5 kB / 0.8384 GB, free: 5.57 MB / 0.6544 GB
Notification: Performance of NFVerifyModel.verify: time 0.000485/0.3223, allocations: 258.7 kB / 0.8386 GB, free: 5.316 MB / 0.6544 GB
Notification: Performance of NFConvertDAE.convert: time 0.001586/0.3239, allocations: 0.7319 MB / 0.8393 GB, free: 4.582 MB / 0.6544 GB
Notification: Performance of FrontEnd - DAE generated: time 1.011e-05/0.3239, allocations: 4 kB / 0.8393 GB, free: 4.578 MB / 0.6544 GB
Notification: Performance of FrontEnd: time 2.204e-06/0.324, allocations: 0 / 0.8393 GB, free: 4.578 MB / 0.6544 GB
Notification: Performance of Transformations before backend: time 4.507e-05/0.324, allocations: 3.984 kB / 0.8393 GB, free: 4.574 MB / 0.6544 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 123
 * Number of variables: 123
Notification: Performance of Generate backend data structure: time 0.002623/0.3266, allocations: 0.838 MB / 0.8401 GB, free: 3.688 MB / 0.6544 GB
Notification: Performance of prepare preOptimizeDAE: time 5.474e-05/0.3267, allocations: 8.031 kB / 0.8402 GB, free: 3.68 MB / 0.6544 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001187/0.3279, allocations: 152.1 kB / 0.8403 GB, free: 3.531 MB / 0.6544 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007832/0.3287, allocations: 375 kB / 0.8407 GB, free: 3.129 MB / 0.6544 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.252e-05/0.3288, allocations: 33.36 kB / 0.8407 GB, free: 3.094 MB / 0.6544 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001045/0.3289, allocations: 44.36 kB / 0.8407 GB, free: 3.051 MB / 0.6544 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001607/0.3305, allocations: 0.8402 MB / 0.8416 GB, free: 2.125 MB / 0.6544 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.912e-05/0.3305, allocations: 3.938 kB / 0.8416 GB, free: 2.121 MB / 0.6544 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.486e-05/0.3306, allocations: 20 kB / 0.8416 GB, free: 2.102 MB / 0.6544 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001045/0.3307, allocations: 60.95 kB / 0.8416 GB, free: 2.039 MB / 0.6544 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001398/0.3321, allocations: 0.675 MB / 0.8423 GB, free: 1.367 MB / 0.6544 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005676/0.3378, allocations: 4.473 MB / 0.8467 GB, free: 12.54 MB / 0.67 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001508/0.3393, allocations: 0.6142 MB / 0.8473 GB, free: 11.91 MB / 0.67 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0005749/0.3399, allocations: 301.5 kB / 0.8475 GB, free: 11.61 MB / 0.67 GB
Notification: Performance of preOpt evalFunc (simulation): time 4.255e-05/0.34, allocations: 11.98 kB / 0.8476 GB, free: 11.6 MB / 0.67 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.213e-05/0.34, allocations: 42.36 kB / 0.8476 GB, free: 11.55 MB / 0.67 GB
Notification: Performance of pre-optimization done (n=38): time 2.024e-06/0.34, allocations: 0 / 0.8476 GB, free: 11.55 MB / 0.67 GB
Notification: Performance of matching and sorting (n=39): time 0.002256/0.3423, allocations: 0.9449 MB / 0.8485 GB, free: 10.59 MB / 0.67 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001075/0.3424, allocations: 85.05 kB / 0.8486 GB, free: 10.49 MB / 0.67 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004169/0.3428, allocations: 353.6 kB / 0.8489 GB, free: 10.14 MB / 0.67 GB
Notification: Performance of collectPreVariables (initialization): time 3.9e-05/0.3429, allocations: 33.7 kB / 0.849 GB, free: 10.1 MB / 0.67 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002379/0.3431, allocations: 283.8 kB / 0.8492 GB, free: 9.816 MB / 0.67 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001306/0.3433, allocations: 138 kB / 0.8494 GB, free: 9.68 MB / 0.67 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002068/0.3435, allocations: 106.1 kB / 0.8495 GB, free: 9.57 MB / 0.67 GB
Notification: Performance of setup shared object (initialization): time 0.0001853/0.3437, allocations: 350.8 kB / 0.8498 GB, free: 9.219 MB / 0.67 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006069/0.3443, allocations: 278.9 kB / 0.8501 GB, free: 8.941 MB / 0.67 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007866/0.3451, allocations: 487.7 kB / 0.8505 GB, free: 8.371 MB / 0.67 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001374/0.3465, allocations: 0.7819 MB / 0.8513 GB, free: 7.496 MB / 0.67 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.891e-06/0.3465, allocations: 0 / 0.8513 GB, free: 7.496 MB / 0.67 GB
Notification: Performance of matching and sorting (n=68) (initialization): time 0.001496/0.348, allocations: 0.7932 MB / 0.8521 GB, free: 6.695 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 2.489e-05/0.348, allocations: 12.16 kB / 0.8521 GB, free: 6.684 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.326e-05/0.348, allocations: 4 kB / 0.8521 GB, free: 6.68 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.38e-05/0.3481, allocations: 12 kB / 0.8521 GB, free: 6.668 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007209/0.3488, allocations: 171.7 kB / 0.8523 GB, free: 6.5 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.342e-05/0.3488, allocations: 12 kB / 0.8523 GB, free: 6.488 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005427/0.3494, allocations: 71.67 kB / 0.8523 GB, free: 6.418 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.97e-05/0.3495, allocations: 31.98 kB / 0.8524 GB, free: 6.387 MB / 0.67 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006238/0.3501, allocations: 361.1 kB / 0.8527 GB, free: 6.031 MB / 0.67 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005987/0.3507, allocations: 447.6 kB / 0.8532 GB, free: 5.492 MB / 0.67 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0011/0.3518, allocations: 0.6768 MB / 0.8538 GB, free: 4.715 MB / 0.67 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.726e-06/0.3518, allocations: 4 kB / 0.8538 GB, free: 4.711 MB / 0.67 GB
Notification: Performance of matching and sorting (n=68) (initialization_lambda0): time 0.001374/0.3532, allocations: 0.6846 MB / 0.8545 GB, free: 4.02 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 2.543e-05/0.3532, allocations: 11.98 kB / 0.8545 GB, free: 4.008 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.231e-05/0.3533, allocations: 8 kB / 0.8545 GB, free: 4 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.552e-05/0.3533, allocations: 16.66 kB / 0.8545 GB, free: 3.984 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005756/0.3539, allocations: 151.8 kB / 0.8547 GB, free: 3.836 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.76e-05/0.3539, allocations: 15.94 kB / 0.8547 GB, free: 3.82 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004044/0.3543, allocations: 67.78 kB / 0.8547 GB, free: 3.754 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.392e-05/0.3544, allocations: 24 kB / 0.8548 GB, free: 3.73 MB / 0.67 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 30
 * 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 (68):
 * Single equations (assignments): 68
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * 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 0.0002233/0.3546, allocations: 220 kB / 0.855 GB, free: 3.508 MB / 0.67 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001332/0.3547, allocations: 39.53 kB / 0.855 GB, free: 3.469 MB / 0.67 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001377/0.3561, allocations: 0.6537 MB / 0.8557 GB, free: 2.805 MB / 0.67 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.256e-06/0.3561, allocations: 4 kB / 0.8557 GB, free: 2.801 MB / 0.67 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.302e-06/0.3561, allocations: 0 / 0.8557 GB, free: 2.801 MB / 0.67 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.6e-06/0.3562, allocations: 4 kB / 0.8557 GB, free: 2.797 MB / 0.67 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002755/0.3589, allocations: 1.451 MB / 0.8571 GB, free: 1.27 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.364e-06/0.3589, allocations: 4 kB / 0.8571 GB, free: 1.266 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006962/0.3596, allocations: 151.7 kB / 0.8572 GB, free: 1.117 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (simulation): time 9.899e-06/0.3597, allocations: 4 kB / 0.8572 GB, free: 1.113 MB / 0.67 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.146e-05/0.3597, allocations: 8 kB / 0.8572 GB, free: 1.105 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.423e-06/0.3597, allocations: 7.938 kB / 0.8572 GB, free: 1.098 MB / 0.67 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.099e-06/0.3597, allocations: 3.938 kB / 0.8572 GB, free: 1.094 MB / 0.67 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001385/0.3611, allocations: 0.8032 MB / 0.858 GB, free: 260 kB / 0.67 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0002429/0.3614, allocations: 168.5 kB / 0.8582 GB, free: 72 kB / 0.67 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.989e-05/0.3614, allocations: 8 kB / 0.8582 GB, free: 64 kB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004133/0.3619, allocations: 51.86 kB / 0.8583 GB, free: 12 kB / 0.67 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001252/0.362, allocations: 43.94 kB / 0.8583 GB, free: 15.97 MB / 0.6856 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.974e-05/0.362, allocations: 8 kB / 0.8583 GB, free: 15.96 MB / 0.6856 GB
Notification: Performance of sorting global known variables: time 0.0002699/0.3623, allocations: 255.2 kB / 0.8585 GB, free: 15.72 MB / 0.6856 GB
Notification: Performance of sort global known variables: time 1.3e-07/0.3623, allocations: 0 / 0.8585 GB, free: 15.72 MB / 0.6856 GB
Notification: Performance of remove unused functions: time 0.0008475/0.3632, allocations: 196 kB / 0.8587 GB, free: 15.53 MB / 0.6856 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 8
 * 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 simulation (42):
 * Single equations (assignments): 42
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * 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 0.0001571/0.3633, allocations: 111.2 kB / 0.8588 GB, free: 15.41 MB / 0.6856 GB
Notification: Performance of simCode: created initialization part: time 0.001947/0.3653, allocations: 0.9696 MB / 0.8598 GB, free: 14.44 MB / 0.6856 GB
Notification: Performance of simCode: created event and clocks part: time 4.299e-06/0.3653, allocations: 5.312 kB / 0.8598 GB, free: 14.43 MB / 0.6856 GB
Notification: Performance of simCode: created simulation system equations: time 0.0005813/0.3659, allocations: 300 kB / 0.8601 GB, free: 14.14 MB / 0.6856 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007788/0.3667, allocations: 132.7 kB / 0.8602 GB, free: 14.01 MB / 0.6856 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002103/0.3688, allocations: 1.039 MB / 0.8612 GB, free: 12.93 MB / 0.6856 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006079/0.3694, allocations: 0.8833 MB / 0.8621 GB, free: 12.02 MB / 0.6856 GB
Notification: Performance of simCode: alias equations: time 0.0005853/0.37, allocations: 204 kB / 0.8623 GB, free: 11.82 MB / 0.6856 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001769/0.3702, allocations: 39.42 kB / 0.8623 GB, free: 11.78 MB / 0.6856 GB
Notification: Performance of SimCode: time 4.2e-07/0.3702, allocations: 3.938 kB / 0.8623 GB, free: 11.77 MB / 0.6856 GB
Notification: Performance of Templates: time 0.01342/0.3836, allocations: 6.779 MB / 0.8689 GB, free: 5.062 MB / 0.6856 GB
make -j1 -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.makefile
(rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.sim & ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesBalanced.Loads.Examples.ParallelLoads.pipe 2>&1)