Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X.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-master/package.mo", uses=false)
Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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.Humidifiers.Validation.SprayAirWasher_X,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X")
translateModel(IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007429/0.007435, allocations: 105 kB / 15.73 MB, free: 6.055 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001741/0.001741, allocations: 190.7 kB / 16.67 MB, free: 5.977 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.333/1.333, allocations: 222.9 MB / 240.4 MB, free: 15.14 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8149/0.8149, allocations: 135.1 MB / 425.7 MB, free: 4.066 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001542/0.001542, allocations: 62.44 kB / 0.5856 GB, free: 21.46 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1605/0.162, allocations: 80.92 MB / 0.6646 GB, free: 5.781 MB / 0.4981 GB
Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X): time 0.5808/0.7429, allocations: 180.3 MB / 0.8407 GB, free: 5.477 MB / 0.6075 GB
Notification: Performance of NFInst.instExpressions: time 0.006514/0.7494, allocations: 3.737 MB / 0.8444 GB, free: 2.469 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.000715/0.7502, allocations: 29.53 kB / 0.8444 GB, free: 2.457 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.001198/0.7514, allocations: 437.1 kB / 0.8448 GB, free: 2.121 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.002967/0.7544, allocations: 1.249 MB / 0.846 GB, free: 1.176 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002104/0.7565, allocations: 0.7544 MB / 0.8468 GB, free: 0.6172 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.001738/0.7583, allocations: 1.353 MB / 0.8481 GB, free: 15.83 MB / 0.6231 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0006727/0.7589, allocations: 478.9 kB / 0.8485 GB, free: 15.55 MB / 0.6231 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002383/0.7613, allocations: 0.9694 MB / 0.8495 GB, free: 14.95 MB / 0.6231 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0006096/0.762, allocations: 464.7 kB / 0.8499 GB, free: 14.69 MB / 0.6231 GB
Notification: Performance of NFPackage.collectConstants: time 6.998e-05/0.762, allocations: 43.03 kB / 0.85 GB, free: 14.69 MB / 0.6231 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002082/0.7641, allocations: 1.193 MB / 0.8511 GB, free: 14.02 MB / 0.6231 GB
Notification: Performance of NFScalarize.scalarize: time 0.0001897/0.7643, allocations: 194.9 kB / 0.8513 GB, free: 13.89 MB / 0.6231 GB
Notification: Performance of NFVerifyModel.verify: time 0.0003202/0.7647, allocations: 323.2 kB / 0.8516 GB, free: 13.69 MB / 0.6231 GB
Notification: Performance of NFConvertDAE.convert: time 0.001954/0.7666, allocations: 1.207 MB / 0.8528 GB, free: 12.93 MB / 0.6231 GB
Notification: Performance of FrontEnd - DAE generated: time 6.071e-06/0.7666, allocations: 2.562 kB / 0.8528 GB, free: 12.93 MB / 0.6231 GB
Notification: Performance of FrontEnd: time 1.743e-06/0.7667, allocations: 4 kB / 0.8528 GB, free: 12.93 MB / 0.6231 GB
Notification: Performance of Transformations before backend: time 1.144e-05/0.7667, allocations: 0 / 0.8528 GB, free: 12.93 MB / 0.6231 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 97
 * Number of variables: 97
Notification: Performance of Generate backend data structure: time 0.002011/0.7687, allocations: 1.07 MB / 0.8538 GB, free: 12.03 MB / 0.6231 GB
Notification: Performance of prepare preOptimizeDAE: time 4.127e-05/0.7687, allocations: 11.17 kB / 0.8539 GB, free: 12.03 MB / 0.6231 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001245/0.77, allocations: 223.2 kB / 0.8541 GB, free: 11.93 MB / 0.6231 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008165/0.7708, allocations: 0.567 MB / 0.8546 GB, free: 11.45 MB / 0.6231 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.093e-05/0.7709, allocations: 30.38 kB / 0.8547 GB, free: 11.44 MB / 0.6231 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 6.336e-05/0.7709, allocations: 41.44 kB / 0.8547 GB, free: 11.42 MB / 0.6231 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001016/0.772, allocations: 0.5363 MB / 0.8552 GB, free: 11.09 MB / 0.6231 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.482e-05/0.772, allocations: 0 / 0.8552 GB, free: 11.09 MB / 0.6231 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.527e-05/0.772, allocations: 16.88 kB / 0.8552 GB, free: 11.07 MB / 0.6231 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.846e-05/0.7721, allocations: 15.66 kB / 0.8552 GB, free: 11.07 MB / 0.6231 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001095/0.7732, allocations: 0.5075 MB / 0.8557 GB, free: 10.82 MB / 0.6231 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 0.003008/0.7762, allocations: 2.213 MB / 0.8579 GB, free: 8.887 MB / 0.6231 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0007219/0.7769, allocations: 355.7 kB / 0.8582 GB, free: 8.598 MB / 0.6231 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002214/0.7771, allocations: 140.8 kB / 0.8584 GB, free: 8.457 MB / 0.6231 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001226/0.7784, allocations: 0.8453 MB / 0.8592 GB, free: 7.445 MB / 0.6231 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003148/0.7787, allocations: 185 kB / 0.8594 GB, free: 7.246 MB / 0.6231 GB
Notification: Performance of pre-optimization done (n=26): time 1.593e-06/0.7787, allocations: 3.938 kB / 0.8594 GB, free: 7.242 MB / 0.6231 GB
Notification: Performance of matching and sorting (n=26): time 0.0009731/0.7797, allocations: 435.3 kB / 0.8598 GB, free: 6.812 MB / 0.6231 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.143e-05/0.7798, allocations: 88.98 kB / 0.8599 GB, free: 6.707 MB / 0.6231 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000832/0.7806, allocations: 0.6564 MB / 0.8605 GB, free: 6.039 MB / 0.6231 GB
Notification: Performance of collectPreVariables (initialization): time 2.917e-05/0.7806, allocations: 29.7 kB / 0.8606 GB, free: 6.004 MB / 0.6231 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002263/0.7809, allocations: 328.2 kB / 0.8609 GB, free: 5.68 MB / 0.6231 GB
Notification: Performance of collectInitialBindings (initialization): time 7.352e-05/0.781, allocations: 95.2 kB / 0.861 GB, free: 5.586 MB / 0.6231 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001348/0.7811, allocations: 77.64 kB / 0.861 GB, free: 5.504 MB / 0.6231 GB
Notification: Performance of setup shared object (initialization): time 0.0001408/0.7812, allocations: 374.7 kB / 0.8614 GB, free: 5.129 MB / 0.6231 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.000358/0.7816, allocations: 136.8 kB / 0.8615 GB, free: 4.992 MB / 0.6231 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004444/0.7821, allocations: 277 kB / 0.8618 GB, free: 4.66 MB / 0.6231 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0006465/0.7827, allocations: 388.8 kB / 0.8622 GB, free: 4.227 MB / 0.6231 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.516e-06/0.7827, allocations: 4 kB / 0.8622 GB, free: 4.223 MB / 0.6231 GB
Notification: Performance of matching and sorting (n=43) (initialization): time 0.0009991/0.7837, allocations: 474.1 kB / 0.8626 GB, free: 3.754 MB / 0.6231 GB
Notification: Performance of prepare postOptimizeDAE: time 1.849e-05/0.7838, allocations: 8 kB / 0.8626 GB, free: 3.746 MB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.003e-05/0.7838, allocations: 4.75 kB / 0.8626 GB, free: 3.742 MB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.861e-05/0.7838, allocations: 4 kB / 0.8626 GB, free: 3.738 MB / 0.6231 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000394/0.7842, allocations: 91.83 kB / 0.8627 GB, free: 3.648 MB / 0.6231 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.439e-05/0.7842, allocations: 11.92 kB / 0.8627 GB, free: 3.637 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005524/0.7848, allocations: 71.86 kB / 0.8628 GB, free: 3.566 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.322e-05/0.7848, allocations: 23.98 kB / 0.8628 GB, free: 3.543 MB / 0.6231 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005112/0.7854, allocations: 296.9 kB / 0.8631 GB, free: 3.25 MB / 0.6231 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004555/0.7858, allocations: 277 kB / 0.8634 GB, free: 2.918 MB / 0.6231 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000615/0.7865, allocations: 384.5 kB / 0.8637 GB, free: 2.488 MB / 0.6231 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.424e-06/0.7865, allocations: 0 / 0.8637 GB, free: 2.488 MB / 0.6231 GB
Notification: Performance of matching and sorting (n=43) (initialization_lambda0): time 0.0009552/0.7874, allocations: 483.6 kB / 0.8642 GB, free: 2.012 MB / 0.6231 GB
Notification: Performance of prepare postOptimizeDAE: time 9.538e-06/0.7875, allocations: 4 kB / 0.8642 GB, free: 2.008 MB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.528e-06/0.7875, allocations: 4 kB / 0.8642 GB, free: 2.004 MB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (initialization): time 7.935e-06/0.7875, allocations: 11.98 kB / 0.8642 GB, free: 1.992 MB / 0.6231 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003765/0.7879, allocations: 87.83 kB / 0.8643 GB, free: 1.906 MB / 0.6231 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.927e-06/0.7879, allocations: 11.94 kB / 0.8643 GB, free: 1.895 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000533/0.7884, allocations: 63.89 kB / 0.8644 GB, free: 1.832 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.99e-05/0.7885, allocations: 21.75 kB / 0.8644 GB, free: 1.812 MB / 0.6231 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 18
 * Number of states: 0 ()
 * Number of discrete variables: 5 ($PRE.XSet.nextTimeEvent,$whenCondition1,XSet.nextTimeEventScaled,$PRE.XSet.nextTimeEventScaled,XSet.nextTimeEvent)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (43):
 * Single equations (assignments): 43
 * 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 0.0001543/0.7886, allocations: 200.2 kB / 0.8646 GB, free: 1.609 MB / 0.6231 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 8.247e-05/0.7887, allocations: 71.56 kB / 0.8646 GB, free: 1.539 MB / 0.6231 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006156/0.7893, allocations: 327.6 kB / 0.865 GB, free: 1.207 MB / 0.6231 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.472e-06/0.7894, allocations: 4 kB / 0.865 GB, free: 1.203 MB / 0.6231 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.434e-06/0.7894, allocations: 3.938 kB / 0.865 GB, free: 1.199 MB / 0.6231 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.761e-06/0.7894, allocations: 0.875 kB / 0.865 GB, free: 1.199 MB / 0.6231 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001445/0.7908, allocations: 1.082 MB / 0.866 GB, free: 32 kB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.759e-06/0.7908, allocations: 8.312 kB / 0.866 GB, free: 24 kB / 0.6231 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001904/0.791, allocations: 32.03 kB / 0.8661 GB, free: 15.99 MB / 0.6387 GB
Notification: Performance of postOpt tearingSystem (simulation): time 5.35e-06/0.7911, allocations: 4 kB / 0.8661 GB, free: 15.98 MB / 0.6387 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.55e-05/0.7911, allocations: 12 kB / 0.8661 GB, free: 15.97 MB / 0.6387 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.887e-06/0.7911, allocations: 17.5 kB / 0.8661 GB, free: 15.96 MB / 0.6387 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.074e-06/0.7911, allocations: 4 kB / 0.8661 GB, free: 15.96 MB / 0.6387 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006091/0.7917, allocations: 479.4 kB / 0.8666 GB, free: 15.44 MB / 0.6387 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001632/0.7919, allocations: 160.6 kB / 0.8667 GB, free: 15.27 MB / 0.6387 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.697e-05/0.792, allocations: 8 kB / 0.8667 GB, free: 15.26 MB / 0.6387 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003183/0.7923, allocations: 19.98 kB / 0.8667 GB, free: 15.24 MB / 0.6387 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 6.758e-05/0.7924, allocations: 31.84 kB / 0.8668 GB, free: 15.21 MB / 0.6387 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.162e-05/0.7924, allocations: 8 kB / 0.8668 GB, free: 15.2 MB / 0.6387 GB
Notification: Performance of sorting global known variables: time 0.000632/0.793, allocations: 479 kB / 0.8672 GB, free: 14.73 MB / 0.6387 GB
Notification: Performance of sort global known variables: time 2.31e-07/0.7931, allocations: 4 kB / 0.8672 GB, free: 14.73 MB / 0.6387 GB
Notification: Performance of remove unused functions: time 0.0008595/0.7939, allocations: 267.5 kB / 0.8675 GB, free: 14.47 MB / 0.6387 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 11
 * Number of states: 0 ()
 * Number of discrete variables: 3 ($whenCondition1,XSet.nextTimeEvent,XSet.nextTimeEventScaled)
 * Number of discrete states: 2 (XSet.nextTimeEvent,XSet.nextTimeEventScaled)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (25):
 * Single equations (assignments): 23
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 2
 * 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 0.00119/0.7951, allocations: 0.5039 MB / 0.868 GB, free: 14.12 MB / 0.6387 GB
Notification: Performance of simCode: created initialization part: time 0.001139/0.7963, allocations: 0.5059 MB / 0.8685 GB, free: 13.62 MB / 0.6387 GB
Notification: Performance of simCode: created event and clocks part: time 2.675e-06/0.7963, allocations: 0 / 0.8685 GB, free: 13.62 MB / 0.6387 GB
Notification: Performance of simCode: created simulation system equations: time 0.0002145/0.7965, allocations: 134.2 kB / 0.8686 GB, free: 13.49 MB / 0.6387 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001254/0.7978, allocations: 295.7 kB / 0.8689 GB, free: 13.22 MB / 0.6387 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001747/0.7995, allocations: 1.031 MB / 0.8699 GB, free: 12.12 MB / 0.6387 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000462/0.8, allocations: 0.9016 MB / 0.8708 GB, free: 11.2 MB / 0.6387 GB
Notification: Performance of simCode: alias equations: time 0.0005425/0.8006, allocations: 164.8 kB / 0.8709 GB, free: 11.04 MB / 0.6387 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001265/0.8007, allocations: 47.44 kB / 0.871 GB, free: 10.99 MB / 0.6387 GB
Notification: Performance of SimCode: time 4.91e-07/0.8007, allocations: 0 / 0.871 GB, free: 10.99 MB / 0.6387 GB
Notification: Performance of Templates: time 0.01805/0.8187, allocations: 10.45 MB / 0.8812 GB, free: 0.6719 MB / 0.6387 GB
make -j1 -f IDEAS_dev_IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X.makefile
(rm -f IDEAS_dev_IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X.sim & ./IDEAS_dev_IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe 2>&1)