Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 8.0.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo) Running command: translateModel(Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths") translateModel(Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.926/1.926, allocations: 292.6 MB / 307.8 MB, free: 7.172 MB / 234.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001493/0.001493, allocations: 185.4 kB / 376.5 MB, free: 4.453 MB / 298.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.542/1.542, allocations: 225.7 MB / 0.655 GB, free: 13.16 MB / 490.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008661/0.0008658, allocations: 102.7 kB / 0.7711 GB, free: 50.05 MB / 0.5417 GB Notification: Performance of FrontEnd - loaded program: time 0.0004258/0.0004262, allocations: 12 kB / 0.897 GB, free: 11.51 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7275/0.728, allocations: 118.2 MB / 1.012 GB, free: 57.23 MB / 0.7136 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths): time 0.001781/0.7298, allocations: 1.354 MB / 1.014 GB, free: 57.18 MB / 0.7136 GB Notification: Performance of NFInst.instExpressions: time 0.0008447/0.7307, allocations: 458.6 kB / 1.014 GB, free: 57.13 MB / 0.7136 GB Notification: Performance of NFInst.updateImplicitVariability: time 5.764e-05/0.7307, allocations: 1.203 kB / 1.014 GB, free: 57.13 MB / 0.7136 GB Notification: Performance of NFTyping.typeComponents: time 9.627e-05/0.7308, allocations: 7.812 kB / 1.014 GB, free: 57.13 MB / 0.7136 GB Notification: Performance of NFTyping.typeBindings: time 0.0001071/0.731, allocations: 22.75 kB / 1.014 GB, free: 57.12 MB / 0.7136 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005966/0.7316, allocations: 218.5 kB / 1.014 GB, free: 57.11 MB / 0.7136 GB Notification: Performance of NFFlatten.flatten: time 0.0002882/0.7319, allocations: 304.9 kB / 1.015 GB, free: 57.09 MB / 0.7136 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001076/0.732, allocations: 33.53 kB / 1.015 GB, free: 57.09 MB / 0.7136 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003173/0.7323, allocations: 231 kB / 1.015 GB, free: 57.07 MB / 0.7136 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001841/0.7325, allocations: 134.7 kB / 1.015 GB, free: 57.05 MB / 0.7136 GB Notification: Performance of NFPackage.collectConstants: time 5.867e-05/0.7326, allocations: 11.25 kB / 1.015 GB, free: 57.05 MB / 0.7136 GB Notification: Performance of NFFlatten.collectFunctions: time 5.475e-05/0.7326, allocations: 9.281 kB / 1.015 GB, free: 57.05 MB / 0.7136 GB Notification: Performance of NFScalarize.scalarize: time 0.0001026/0.7327, allocations: 85.12 kB / 1.015 GB, free: 57.05 MB / 0.7136 GB Notification: Performance of NFVerifyModel.verify: time 0.0001593/0.7329, allocations: 166.6 kB / 1.015 GB, free: 56.98 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.0002475/0.7331, allocations: 311.2 kB / 1.016 GB, free: 56.96 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 4.339e-06/0.7332, allocations: 0 / 1.016 GB, free: 56.96 MB / 0.7136 GB Notification: Performance of FrontEnd: time 1.483e-06/0.7332, allocations: 1.875 kB / 1.016 GB, free: 56.96 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 6.182e-06/0.7332, allocations: 1.438 kB / 1.016 GB, free: 56.96 MB / 0.7136 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 20 * Number of variables: 20 Notification: Performance of Generate backend data structure: time 0.0009624/0.7341, allocations: 0.6479 MB / 1.016 GB, free: 56.39 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 3.495e-05/0.7342, allocations: 11.22 kB / 1.016 GB, free: 56.39 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 8.026e-05/0.7343, allocations: 31.25 kB / 1.016 GB, free: 56.38 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002762/0.7346, allocations: 282.8 kB / 1.017 GB, free: 56.14 MB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.835e-05/0.7346, allocations: 18.53 kB / 1.017 GB, free: 56.14 MB / 0.7136 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.096e-05/0.7347, allocations: 21.72 kB / 1.017 GB, free: 56.14 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003045/0.735, allocations: 164.5 kB / 1.017 GB, free: 56.11 MB / 0.7136 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.797e-06/0.735, allocations: 3.938 kB / 1.017 GB, free: 56.11 MB / 0.7136 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.594e-05/0.735, allocations: 5.562 kB / 1.017 GB, free: 56.11 MB / 0.7136 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.366e-06/0.7351, allocations: 2.781 kB / 1.017 GB, free: 56.11 MB / 0.7136 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001492/0.7352, allocations: 63.25 kB / 1.017 GB, free: 56.11 MB / 0.7136 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009854/0.7362, allocations: 0.5634 MB / 1.017 GB, free: 55.83 MB / 0.7136 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002524/0.7365, allocations: 138 kB / 1.018 GB, free: 55.8 MB / 0.7136 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001148/0.7366, allocations: 63.38 kB / 1.018 GB, free: 55.79 MB / 0.7136 GB Notification: Performance of preOpt evalFunc (simulation): time 2.127e-05/0.7366, allocations: 3.281 kB / 1.018 GB, free: 55.79 MB / 0.7136 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004366/0.7371, allocations: 227.4 kB / 1.018 GB, free: 55.74 MB / 0.7136 GB Notification: Performance of pre-optimization done (n=18): time 1.543e-06/0.7371, allocations: 0 / 1.018 GB, free: 55.74 MB / 0.7136 GB Notification: Performance of matching and sorting (n=18): time 0.0005751/0.7377, allocations: 283.5 kB / 1.018 GB, free: 55.69 MB / 0.7136 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.537e-05/0.7377, allocations: 64.38 kB / 1.018 GB, free: 55.62 MB / 0.7136 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002839/0.738, allocations: 317.7 kB / 1.018 GB, free: 55.51 MB / 0.7136 GB Notification: Performance of collectPreVariables (initialization): time 4.13e-05/0.7381, allocations: 39.36 kB / 1.019 GB, free: 55.48 MB / 0.7136 GB Notification: Performance of collectInitialEqns (initialization): time 5.922e-05/0.7381, allocations: 97.83 kB / 1.019 GB, free: 55.39 MB / 0.7136 GB Notification: Performance of collectInitialBindings (initialization): time 3.699e-05/0.7382, allocations: 46.62 kB / 1.019 GB, free: 55.36 MB / 0.7136 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.607e-05/0.7382, allocations: 9.188 kB / 1.019 GB, free: 55.36 MB / 0.7136 GB Notification: Performance of setup shared object (initialization): time 5.821e-05/0.7383, allocations: 330.3 kB / 1.019 GB, free: 55.05 MB / 0.7136 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000212/0.7385, allocations: 105.5 kB / 1.019 GB, free: 55.04 MB / 0.7136 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002269/0.7387, allocations: 159.4 kB / 1.019 GB, free: 54.99 MB / 0.7136 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002841/0.739, allocations: 256.9 kB / 1.019 GB, free: 54.86 MB / 0.7136 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.866e-06/0.739, allocations: 2.969 kB / 1.019 GB, free: 54.86 MB / 0.7136 GB Notification: Performance of matching and sorting (n=31) (initialization): time 0.0006775/0.7397, allocations: 437.7 kB / 1.02 GB, free: 54.75 MB / 0.7136 GB Notification: Performance of prepare postOptimizeDAE: time 7.739e-05/0.7398, allocations: 80.94 kB / 1.02 GB, free: 54.69 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.496e-06/0.7398, allocations: 4.5 kB / 1.02 GB, free: 54.69 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.793e-05/0.7398, allocations: 3.031 kB / 1.02 GB, free: 54.69 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001692/0.74, allocations: 26 kB / 1.02 GB, free: 54.68 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.015e-05/0.74, allocations: 4.438 kB / 1.02 GB, free: 54.68 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004821/0.7405, allocations: 83.25 kB / 1.02 GB, free: 54.67 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.194e-05/0.7406, allocations: 51.59 kB / 1.02 GB, free: 54.67 MB / 0.7136 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 26 ($PRE.calTim.calTim.firstDaySampling,calTim.calTim.firstDaySampling,$PRE.calTim.calTim.firstHourSampling,calTim.calTim.firstHourSampling,$whenCondition3,calTim.calTim.hourSampleTrigger,$whenCondition4,calTim.calTim.daySampleTrigger,$whenCondition2,$whenCondition1,$PRE.calTim.calTim.year,calTim.calTim.year,$PRE.calTim.calTim.month,calTim.calTim.month,$PRE.calTim.calTim.day,calTim.calTim.day,$PRE.calTim.calTim.hour,calTim.calTim.hour,$PRE.calTim.calTim.weekDay,calTim.calTim.weekDay,$PRE.calTim.calTim.daysSinceEpoch,calTim.calTim.daysSinceEpoch,$PRE.calTim.calTim.yearIndex,calTim.calTim.yearIndex,$PRE.calTim.calTim.epochLastMonth,calTim.calTim.epochLastMonth) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (28): * Single equations (assignments): 26 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001815/0.7408, allocations: 188.7 kB / 1.02 GB, free: 54.55 MB / 0.7136 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.559e-05/0.7408, allocations: 25.34 kB / 1.02 GB, free: 54.54 MB / 0.7136 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.442e-05/0.7409, allocations: 37.3 kB / 1.02 GB, free: 54.53 MB / 0.7136 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.307e-06/0.7409, allocations: 1.219 kB / 1.02 GB, free: 54.53 MB / 0.7136 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.951e-06/0.7409, allocations: 3.062 kB / 1.02 GB, free: 54.53 MB / 0.7136 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.517e-06/0.7409, allocations: 1.812 kB / 1.02 GB, free: 54.53 MB / 0.7136 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006591/0.7416, allocations: 0.6012 MB / 1.021 GB, free: 54.22 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.823e-06/0.7416, allocations: 0 / 1.021 GB, free: 54.22 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.191e-05/0.7417, allocations: 10.02 kB / 1.021 GB, free: 54.22 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.607e-06/0.7417, allocations: 5.625 kB / 1.021 GB, free: 54.22 MB / 0.7136 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.365e-05/0.7417, allocations: 12.55 kB / 1.021 GB, free: 54.22 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.144e-06/0.7417, allocations: 3.938 kB / 1.021 GB, free: 54.21 MB / 0.7136 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.214e-06/0.7418, allocations: 3.938 kB / 1.021 GB, free: 54.21 MB / 0.7136 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003565/0.7421, allocations: 323.4 kB / 1.021 GB, free: 54.07 MB / 0.7136 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001718/0.7423, allocations: 183.2 kB / 1.021 GB, free: 53.96 MB / 0.7136 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.735e-05/0.7424, allocations: 14.7 kB / 1.021 GB, free: 53.96 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002052/0.7426, allocations: 16.45 kB / 1.022 GB, free: 53.96 MB / 0.7136 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.49e-05/0.7426, allocations: 21.73 kB / 1.022 GB, free: 53.95 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.491e-05/0.7427, allocations: 33.62 kB / 1.022 GB, free: 53.95 MB / 0.7136 GB Notification: Performance of sorting global known variables: time 0.0001882/0.7429, allocations: 224.2 kB / 1.022 GB, free: 53.88 MB / 0.7136 GB Notification: Performance of sort global known variables: time 2.31e-07/0.7429, allocations: 1.656 kB / 1.022 GB, free: 53.88 MB / 0.7136 GB Notification: Performance of remove unused functions: time 0.000315/0.7432, allocations: 51.27 kB / 1.022 GB, free: 53.88 MB / 0.7136 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 16 (calTim.calTim.daySampleTrigger,calTim.calTim.hourSampleTrigger,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,calTim.calTim.year,calTim.calTim.month,calTim.calTim.day,calTim.calTim.hour,calTim.calTim.weekDay,calTim.calTim.daysSinceEpoch,calTim.calTim.yearIndex,calTim.calTim.epochLastMonth,calTim.calTim.firstHourSampling,calTim.calTim.firstDaySampling) * Number of discrete states: 9 (calTim.calTim.yearIndex,calTim.calTim.firstDaySampling,calTim.calTim.daysSinceEpoch,calTim.calTim.weekDay,calTim.calTim.firstHourSampling,calTim.calTim.hour,calTim.calTim.epochLastMonth,calTim.calTim.month,calTim.calTim.year) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (18): * Single equations (assignments): 8 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0001648/0.7434, allocations: 136 kB / 1.022 GB, free: 53.78 MB / 0.7136 GB Notification: Performance of simCode: created initialization part: time 0.0005265/0.7439, allocations: 366.8 kB / 1.022 GB, free: 53.64 MB / 0.7136 GB Notification: Performance of simCode: created event and clocks part: time 2.184e-06/0.7439, allocations: 0 / 1.022 GB, free: 53.64 MB / 0.7136 GB Notification: Performance of simCode: created simulation system equations: time 0.0001356/0.7441, allocations: 74.59 kB / 1.022 GB, free: 53.64 MB / 0.7136 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003704/0.7445, allocations: 39.11 kB / 1.022 GB, free: 53.64 MB / 0.7136 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0007036/0.7452, allocations: 495.5 kB / 1.023 GB, free: 53.36 MB / 0.7136 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001871/0.7454, allocations: 0.7535 MB / 1.024 GB, free: 52.66 MB / 0.7136 GB Notification: Performance of simCode: alias equations: time 0.0001487/0.7455, allocations: 39.89 kB / 1.024 GB, free: 52.65 MB / 0.7136 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001162/0.7456, allocations: 37.2 kB / 1.024 GB, free: 52.64 MB / 0.7136 GB Notification: Performance of SimCode: time 5.91e-07/0.7457, allocations: 1.688 kB / 1.024 GB, free: 52.64 MB / 0.7136 GB Notification: Performance of Templates: time 0.007472/0.7531, allocations: 4.312 MB / 1.028 GB, free: 52.34 MB / 0.7136 GB make -j1 -f Buildings_maint.8.0.x_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths.makefile (rm -f Buildings_maint.8.0.x_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths.pipe ; mkfifo Buildings_maint.8.0.x_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths.pipe ; head -c 1048576 < Buildings_maint.8.0.x_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths.pipe >> ../files/Buildings_maint.8.0.x_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths.sim & ./Buildings_maint.8.0.x_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.8.0.x_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.CalendarTimeMonths.pipe 2>&1)