Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Movers.Examples.MoverStages.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: translateModel(IDEAS.Fluid.Movers.Examples.MoverStages,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Movers.Examples.MoverStages")
translateModel(IDEAS.Fluid.Movers.Examples.MoverStages,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Movers.Examples.MoverStages")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001133/0.001133, allocations: 91.84 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.009534/0.009534, allocations: 170.1 kB / 16.26 MB, free: 6.676 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.47/1.47, allocations: 223.3 MB / 240.3 MB, free: 5.324 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.8146/0.8146, allocations: 132.3 MB / 423.8 MB, free: 1.941 MB / 350.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.0003219/0.0003219, allocations: 12.91 kB / 0.504 GB, free: 3.902 MB / 366.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4798/0.4801, allocations: 81.58 MB / 0.5837 GB, free: 4.047 MB / 430.1 MB
Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Examples.MoverStages): time 0.09933/0.5795, allocations: 92.77 MB / 0.6743 GB, free: 3.414 MB / 0.4981 GB
Notification: Performance of NFInst.instExpressions: time 0.04955/0.6291, allocations: 30.3 MB / 0.7038 GB, free: 5.043 MB / 0.5294 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00663/0.6358, allocations: 135.2 kB / 0.704 GB, free: 4.91 MB / 0.5294 GB
Notification: Performance of NFTyping.typeComponents: time 0.006815/0.6426, allocations: 1.743 MB / 0.7057 GB, free: 3.16 MB / 0.5294 GB
Notification: Performance of NFTyping.typeBindings: time 0.01508/0.6577, allocations: 4.207 MB / 0.7098 GB, free: 14.93 MB / 0.545 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01329/0.671, allocations: 3.442 MB / 0.7131 GB, free: 11.53 MB / 0.545 GB
Notification: Performance of NFFlatten.flatten: time 0.01873/0.6898, allocations: 11.98 MB / 0.7248 GB, free: 15.52 MB / 0.5606 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007055/0.6968, allocations: 2.892 MB / 0.7277 GB, free: 12.57 MB / 0.5606 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.008208/0.7051, allocations: 3.228 MB / 0.7308 GB, free: 9.324 MB / 0.5606 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005266/0.7104, allocations: 2.815 MB / 0.7336 GB, free: 6.496 MB / 0.5606 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009212/0.7113, allocations: 164 kB / 0.7337 GB, free: 6.336 MB / 0.5606 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.006135/0.7175, allocations: 2.452 MB / 0.7361 GB, free: 3.879 MB / 0.5606 GB
Notification: Performance of NFScalarize.scalarize: time 0.001877/0.7194, allocations: 1.417 MB / 0.7375 GB, free: 2.457 MB / 0.5606 GB
Notification: Performance of NFVerifyModel.verify: time 0.0035/0.7229, allocations: 2.328 MB / 0.7398 GB, free: 112 kB / 0.5606 GB
Notification: Performance of NFConvertDAE.convert: time 0.01201/0.7349, allocations: 7.553 MB / 0.7472 GB, free: 8.531 MB / 0.5762 GB
Notification: Performance of FrontEnd - DAE generated: time 6.202e-06/0.735, allocations: 0 / 0.7472 GB, free: 8.531 MB / 0.5762 GB
Notification: Performance of FrontEnd: time 2.555e-06/0.735, allocations: 0 / 0.7472 GB, free: 8.531 MB / 0.5762 GB
Notification: Performance of Transformations before backend: time 0.0003657/0.7354, allocations: 0 / 0.7472 GB, free: 8.531 MB / 0.5762 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 517
 * Number of variables: 517
Notification: Performance of Generate backend data structure: time 0.01475/0.7501, allocations: 5.25 MB / 0.7523 GB, free: 3.191 MB / 0.5762 GB
Notification: Performance of prepare preOptimizeDAE: time 5.878e-05/0.7502, allocations: 8.031 kB / 0.7523 GB, free: 3.184 MB / 0.5762 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008041/0.7583, allocations: 1.333 MB / 0.7536 GB, free: 1.844 MB / 0.5762 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.01282/0.7711, allocations: 5.218 MB / 0.7587 GB, free: 12.55 MB / 0.5919 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008335/0.772, allocations: 320.9 kB / 0.759 GB, free: 12.23 MB / 0.5919 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007521/0.7728, allocations: 232 kB / 0.7592 GB, free: 12.01 MB / 0.5919 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.00669/0.7795, allocations: 3.098 MB / 0.7622 GB, free: 8.781 MB / 0.5919 GB
Notification: Performance of preOpt findStateOrder (simulation): time 4.006e-05/0.7795, allocations: 0 / 0.7622 GB, free: 8.781 MB / 0.5919 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002431/0.7798, allocations: 84 kB / 0.7623 GB, free: 8.699 MB / 0.5919 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.869e-05/0.7798, allocations: 55.94 kB / 0.7624 GB, free: 8.645 MB / 0.5919 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005694/0.7855, allocations: 2.342 MB / 0.7647 GB, free: 6.301 MB / 0.5919 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 0.0204/0.806, allocations: 12.52 MB / 0.7769 GB, free: 9.184 MB / 0.6075 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004988/0.811, allocations: 1.865 MB / 0.7787 GB, free: 7.312 MB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.002074/0.8131, allocations: 0.8509 MB / 0.7795 GB, free: 6.457 MB / 0.6075 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.007491/0.8206, allocations: 4.484 MB / 0.7839 GB, free: 1.648 MB / 0.6075 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00287/0.8235, allocations: 1.422 MB / 0.7853 GB, free: 224 kB / 0.6075 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.002444/0.826, allocations: 202.1 kB / 0.7855 GB, free: 20 kB / 0.6075 GB
Notification: Performance of pre-optimization done (n=87): time 8.406e-06/0.826, allocations: 0 / 0.7855 GB, free: 20 kB / 0.6075 GB
Notification: Performance of matching and sorting (n=87): time 0.007845/0.8339, allocations: 2.798 MB / 0.7882 GB, free: 13.21 MB / 0.6231 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.319e-05/0.834, allocations: 115.8 kB / 0.7883 GB, free: 13.07 MB / 0.6231 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.008161/0.8422, allocations: 4.95 MB / 0.7932 GB, free: 8.133 MB / 0.6231 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005431/0.8428, allocations: 57.61 kB / 0.7932 GB, free: 8.074 MB / 0.6231 GB
Notification: Performance of collectInitialEqns (initialization): time 0.002399/0.8452, allocations: 2.109 MB / 0.7953 GB, free: 5.949 MB / 0.6231 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007693/0.846, allocations: 307.6 kB / 0.7956 GB, free: 5.645 MB / 0.6231 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003277/0.8463, allocations: 205.6 kB / 0.7958 GB, free: 5.438 MB / 0.6231 GB
Notification: Performance of setup shared object (initialization): time 0.0001314/0.8464, allocations: 301.1 kB / 0.7961 GB, free: 5.141 MB / 0.6231 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003164/0.8496, allocations: 1.624 MB / 0.7977 GB, free: 3.512 MB / 0.6231 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003835/0.8534, allocations: 2.588 MB / 0.8002 GB, free: 480 kB / 0.6231 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006821/0.8603, allocations: 4.12 MB / 0.8042 GB, free: 11.95 MB / 0.6387 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.754e-05/0.8604, allocations: 11.94 kB / 0.8042 GB, free: 11.94 MB / 0.6387 GB
Notification: Performance of matching and sorting (n=257) (initialization): time 0.009076/0.8694, allocations: 4.512 MB / 0.8086 GB, free: 7.414 MB / 0.6387 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0008411/0.8703, allocations: 0.9339 MB / 0.8095 GB, free: 6.09 MB / 0.6387 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.405e-05/0.8704, allocations: 32 kB / 0.8096 GB, free: 6.059 MB / 0.6387 GB
Notification: Performance of postOpt tearingSystem (initialization): time 5.212e-05/0.8704, allocations: 39.98 kB / 0.8096 GB, free: 6.02 MB / 0.6387 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003606/0.8741, allocations: 0.6046 MB / 0.8102 GB, free: 5.414 MB / 0.6387 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002739/0.8768, allocations: 2.992 MB / 0.8131 GB, free: 2.328 MB / 0.6387 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003643/0.8805, allocations: 216.4 kB / 0.8133 GB, free: 2.121 MB / 0.6387 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003595/0.8808, allocations: 183.9 kB / 0.8135 GB, free: 1.941 MB / 0.6387 GB
Notification: Performance of prepare postOptimizeDAE: time 1.05e-05/0.8809, allocations: 4 kB / 0.8135 GB, free: 1.938 MB / 0.6387 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.3467/1.228, allocations: 3.482 MB / 0.8169 GB, free: 203.5 MB / 0.6387 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001107/1.228, allocations: 27.41 kB / 0.8169 GB, free: 203.5 MB / 0.6387 GB
Notification: Performance of postOpt tearingSystem (initialization): time 5.123e-05/1.228, allocations: 39.84 kB / 0.817 GB, free: 203.5 MB / 0.6387 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003052/1.231, allocations: 0.633 MB / 0.8176 GB, free: 203.5 MB / 0.6387 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.158e-05/1.231, allocations: 55.52 kB / 0.8176 GB, free: 203.5 MB / 0.6387 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003361/1.234, allocations: 196.8 kB / 0.8178 GB, free: 203.5 MB / 0.6387 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000453/1.235, allocations: 177.1 kB / 0.818 GB, free: 203.5 MB / 0.6387 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 127
 * Number of states: 0 ()
 * Number of discrete variables: 6 ($PRE.integerTable.combiTimeTable.nextTimeEvent,$whenCondition1,integerTable.combiTimeTable.nextTimeEventScaled,$PRE.integerTable.combiTimeTable.nextTimeEventScaled,integerTable.combiTimeTable.nextTimeEvent,integerTable.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (226):
 * Single equations (assignments): 218
 * Array equations: 4
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 4
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 4 systems
   {1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.003016/1.238, allocations: 1.17 MB / 0.8191 GB, free: 203.3 MB / 0.6387 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00152/1.239, allocations: 429 kB / 0.8195 GB, free: 203.3 MB / 0.6387 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.008109/1.247, allocations: 2.689 MB / 0.8222 GB, free: 203 MB / 0.6387 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.357e-05/1.248, allocations: 17.64 kB / 0.8222 GB, free: 203 MB / 0.6387 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.096e-05/1.248, allocations: 6.5 kB / 0.8222 GB, free: 203 MB / 0.6387 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.25e-05/1.248, allocations: 6.141 kB / 0.8222 GB, free: 203 MB / 0.6387 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 postOpt removeSimpleEquations (simulation): time 0.01413/1.262, allocations: 5.285 MB / 0.8274 GB, free: 201 MB / 0.6387 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.142e-05/1.262, allocations: 5 kB / 0.8274 GB, free: 201 MB / 0.6387 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001466/1.263, allocations: 289.8 kB / 0.8276 GB, free: 201 MB / 0.6387 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0003609/1.264, allocations: 145.6 kB / 0.8278 GB, free: 200.9 MB / 0.6387 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.802e-05/1.264, allocations: 37.5 kB / 0.8278 GB, free: 200.9 MB / 0.6387 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001286/1.265, allocations: 2.668 MB / 0.8304 GB, free: 198.5 MB / 0.6387 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.799e-06/1.265, allocations: 7.406 kB / 0.8304 GB, free: 198.5 MB / 0.6387 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005462/1.27, allocations: 2.458 MB / 0.8328 GB, free: 197.8 MB / 0.6387 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001698/1.272, allocations: 0.6861 MB / 0.8335 GB, free: 197.3 MB / 0.6387 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005245/1.273, allocations: 24.05 kB / 0.8335 GB, free: 197.3 MB / 0.6387 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002042/1.275, allocations: 191.3 kB / 0.8337 GB, free: 197.3 MB / 0.6387 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001699/1.275, allocations: 86.52 kB / 0.8338 GB, free: 197.2 MB / 0.6387 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001354/1.275, allocations: 66.23 kB / 0.8339 GB, free: 197.2 MB / 0.6387 GB
Notification: Performance of sorting global known variables: time 0.005462/1.281, allocations: 3.386 MB / 0.8372 GB, free: 196 MB / 0.6387 GB
Notification: Performance of sort global known variables: time 7.71e-07/1.281, allocations: 0 / 0.8372 GB, free: 196 MB / 0.6387 GB
Notification: Performance of remove unused functions: time 0.006262/1.287, allocations: 1.745 MB / 0.8389 GB, free: 195.8 MB / 0.6387 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 0 ()
 * Number of discrete variables: 4 ($whenCondition1,integerTable.y,integerTable.combiTimeTable.nextTimeEvent,integerTable.combiTimeTable.nextTimeEventScaled)
 * Number of discrete states: 2 (integerTable.combiTimeTable.nextTimeEvent,integerTable.combiTimeTable.nextTimeEventScaled)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (110):
 * Single equations (assignments): 94
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 10
 * When equations: 2
 * If-equations: 0
 * Equation systems (not torn): 2
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 2 systems
   {1, 1}
 * Without analytic Jacobian (size): 0 systems
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): 2 systems
   {(1,1), (1,1)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.00219/1.289, allocations: 0.9419 MB / 0.8398 GB, free: 195.7 MB / 0.6387 GB
Notification: Performance of simCode: created initialization part: time 0.0103/1.299, allocations: 5.089 MB / 0.8448 GB, free: 194.1 MB / 0.6387 GB
Notification: Performance of simCode: created event and clocks part: time 8.205e-06/1.299, allocations: 0 / 0.8448 GB, free: 194.1 MB / 0.6387 GB
Notification: Performance of simCode: created simulation system equations: time 0.002521/1.302, allocations: 1.029 MB / 0.8458 GB, free: 193.6 MB / 0.6387 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01076/1.313, allocations: 2.139 MB / 0.8478 GB, free: 192.8 MB / 0.6387 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01403/1.327, allocations: 8.879 MB / 0.8565 GB, free: 186.2 MB / 0.6387 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002036/1.329, allocations: 2.624 MB / 0.8591 GB, free: 183.6 MB / 0.6387 GB
Notification: Performance of simCode: alias equations: time 0.005366/1.334, allocations: 1.122 MB / 0.8602 GB, free: 182.5 MB / 0.6387 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008097/1.335, allocations: 319.3 kB / 0.8605 GB, free: 182.1 MB / 0.6387 GB
Notification: Performance of SimCode: time 1.142e-06/1.335, allocations: 0 / 0.8605 GB, free: 182.1 MB / 0.6387 GB
Notification: Performance of Templates: time 0.1205/1.456, allocations: 89 MB / 0.9474 GB, free: 94.06 MB / 0.6387 GB
make -j1 -f IDEAS_IDEAS.Fluid.Movers.Examples.MoverStages.makefile
(rm -f IDEAS_IDEAS.Fluid.Movers.Examples.MoverStages.pipe ; mkfifo IDEAS_IDEAS.Fluid.Movers.Examples.MoverStages.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Movers.Examples.MoverStages.pipe >> ../files/IDEAS_IDEAS.Fluid.Movers.Examples.MoverStages.sim & ./IDEAS_IDEAS.Fluid.Movers.Examples.MoverStages  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.Movers.Examples.MoverStages.pipe 2>&1)