Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation.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 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation") translateModel(Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001474/0.001474, allocations: 106.9 kB / 16.35 MB, free: 5.879 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001651/0.001651, allocations: 191 kB / 17.29 MB, free: 5.516 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.37/1.37, allocations: 205.1 MB / 223.2 MB, free: 12.25 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.782/1.782, allocations: 292.3 MB / 0.5496 GB, free: 17.69 MB / 462.1 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 0.001557/0.001557, allocations: 71.89 kB / 0.6729 GB, free: 5.832 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1974/0.199, allocations: 114.5 MB / 0.7848 GB, free: 3.168 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation): time 0.3297/0.5287, allocations: 5.488 MB / 0.7901 GB, free: 46.23 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.1625/0.6912, allocations: 155.1 MB / 0.9416 GB, free: 9.469 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001044/0.6923, allocations: 27.88 kB / 0.9416 GB, free: 9.441 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.003971/0.6963, allocations: 1.754 MB / 0.9433 GB, free: 7.684 MB / 0.7325 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Utilities/Strings.mo:216:3-259:11:writable] Warning: Pure function 'Modelica.Utilities.Strings.find' contains a call to impure function 'Modelica.Utilities.Strings.length'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-105:25:writable] Warning: Pure function 'Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3' contains a call to impure function 'Modelica.Utilities.Streams.readLine'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-48:21:writable] Warning: Pure function 'Buildings.BoundaryConditions.WeatherData.BaseClasses.getLongitudeTMY3' contains a call to impure function 'Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-48:20:writable] Warning: Pure function 'Buildings.BoundaryConditions.WeatherData.BaseClasses.getLatitudeTMY3' contains a call to impure function 'Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-47:20:writable] Warning: Pure function 'Buildings.BoundaryConditions.WeatherData.BaseClasses.getTimeZoneTMY3' contains a call to impure function 'Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Utilities/Strings.mo:139:3-175:14:writable] Warning: Pure function 'Modelica.Utilities.Strings.isEmpty' contains a call to impure function 'Modelica.Utilities.Strings.Advanced.skipWhiteSpace'. Notification: Performance of NFTyping.typeBindings: time 0.001695/0.698, allocations: 0.6884 MB / 0.944 GB, free: 7 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.002179/0.7002, allocations: 0.9427 MB / 0.9449 GB, free: 6.066 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.002791/0.703, allocations: 3.284 MB / 0.9481 GB, free: 2.777 MB / 0.7325 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001077/0.7041, allocations: 0.926 MB / 0.949 GB, free: 1.82 MB / 0.7325 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001122/0.7052, allocations: 1.087 MB / 0.9501 GB, free: 0.7305 MB / 0.7325 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001016/0.7063, allocations: 0.9585 MB / 0.951 GB, free: 15.77 MB / 0.7481 GB Notification: Performance of NFPackage.collectConstants: time 0.0002409/0.7065, allocations: 180 kB / 0.9512 GB, free: 15.59 MB / 0.7481 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003088/0.7096, allocations: 2.142 MB / 0.9533 GB, free: 13.45 MB / 0.7481 GB Notification: Performance of NFScalarize.scalarize: time 0.0009924/0.7106, allocations: 1.322 MB / 0.9546 GB, free: 12.12 MB / 0.7481 GB Notification: Performance of NFVerifyModel.verify: time 0.0007662/0.7114, allocations: 0.9131 MB / 0.9555 GB, free: 11.21 MB / 0.7481 GB Notification: Performance of NFConvertDAE.convert: time 0.00389/0.7153, allocations: 3.693 MB / 0.9591 GB, free: 7.504 MB / 0.7481 GB Notification: Performance of FrontEnd - DAE generated: time 5.03e-06/0.7153, allocations: 4 kB / 0.9591 GB, free: 7.5 MB / 0.7481 GB Notification: Performance of FrontEnd: time 1.392e-06/0.7153, allocations: 0 / 0.9591 GB, free: 7.5 MB / 0.7481 GB Notification: Performance of Transformations before backend: time 1.823e-05/0.7153, allocations: 0 / 0.9591 GB, free: 7.5 MB / 0.7481 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 296 * Number of variables: 296 Notification: Performance of Generate backend data structure: time 0.003536/0.7189, allocations: 2.427 MB / 0.9615 GB, free: 5.008 MB / 0.7481 GB Notification: Performance of prepare preOptimizeDAE: time 3.922e-05/0.7189, allocations: 8.031 kB / 0.9615 GB, free: 5 MB / 0.7481 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007945/0.7197, allocations: 265.9 kB / 0.9617 GB, free: 4.738 MB / 0.7481 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003259/0.723, allocations: 2.934 MB / 0.9646 GB, free: 1.75 MB / 0.7481 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.782e-05/0.7231, allocations: 102.2 kB / 0.9647 GB, free: 1.648 MB / 0.7481 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001837/0.7233, allocations: 148 kB / 0.9648 GB, free: 1.504 MB / 0.7481 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002091/0.7254, allocations: 1.429 MB / 0.9662 GB, free: 12 kB / 0.7481 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.573e-05/0.7254, allocations: 7.984 kB / 0.9662 GB, free: 4 kB / 0.7481 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000116/0.7255, allocations: 48.08 kB / 0.9663 GB, free: 15.95 MB / 0.7637 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.265e-05/0.7256, allocations: 28 kB / 0.9663 GB, free: 15.93 MB / 0.7637 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002176/0.7277, allocations: 1.528 MB / 0.9678 GB, free: 14.39 MB / 0.7637 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006862/0.7346, allocations: 4.969 MB / 0.9726 GB, free: 9.344 MB / 0.7637 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001871/0.7365, allocations: 1.312 MB / 0.9739 GB, free: 8.02 MB / 0.7637 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001064/0.7376, allocations: 0.8469 MB / 0.9747 GB, free: 7.172 MB / 0.7637 GB Notification: Performance of preOpt evalFunc (simulation): time 7.696e-05/0.7377, allocations: 36.77 kB / 0.9748 GB, free: 7.137 MB / 0.7637 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001183/0.7389, allocations: 0.8568 MB / 0.9756 GB, free: 6.27 MB / 0.7637 GB Notification: Performance of pre-optimization done (n=92): time 2.585e-06/0.7389, allocations: 0 / 0.9756 GB, free: 6.27 MB / 0.7637 GB Notification: Performance of matching and sorting (n=92): time 0.003695/0.7426, allocations: 2.498 MB / 0.9781 GB, free: 3.762 MB / 0.7637 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000193/0.7428, allocations: 326.2 kB / 0.9784 GB, free: 3.391 MB / 0.7637 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004528/0.7473, allocations: 4.314 MB / 0.9826 GB, free: 15.06 MB / 0.7794 GB Notification: Performance of collectPreVariables (initialization): time 0.0001155/0.7474, allocations: 57.7 kB / 0.9826 GB, free: 15 MB / 0.7794 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004926/0.7479, allocations: 0.6534 MB / 0.9833 GB, free: 14.33 MB / 0.7794 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002329/0.7482, allocations: 319.5 kB / 0.9836 GB, free: 14.02 MB / 0.7794 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009079/0.7491, allocations: 1.047 MB / 0.9846 GB, free: 12.96 MB / 0.7794 GB Notification: Performance of setup shared object (initialization): time 8.127e-05/0.7492, allocations: 303 kB / 0.9849 GB, free: 12.66 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006146/0.7553, allocations: 7.004 MB / 0.9917 GB, free: 5.656 MB / 0.7794 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006403/0.7618, allocations: 7.253 MB / 0.9988 GB, free: 14.39 MB / 0.795 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008155/0.7699, allocations: 8.918 MB / 1.008 GB, free: 5.426 MB / 0.795 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.21e-06/0.7699, allocations: 4 kB / 1.008 GB, free: 5.422 MB / 0.795 GB Notification: Performance of matching and sorting (n=435) (initialization): time 0.01507/0.785, allocations: 15.74 MB / 1.023 GB, free: 5.625 MB / 0.8106 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001513/0.7852, allocations: 149.6 kB / 1.023 GB, free: 5.473 MB / 0.8106 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.722e-05/0.7852, allocations: 0 / 1.023 GB, free: 5.473 MB / 0.8106 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.348e-05/0.7853, allocations: 11.94 kB / 1.023 GB, free: 5.461 MB / 0.8106 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00115/0.7864, allocations: 303.6 kB / 1.023 GB, free: 5.164 MB / 0.8106 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.811e-05/0.7865, allocations: 8 kB / 1.023 GB, free: 5.156 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001084/0.7875, allocations: 175 kB / 1.024 GB, free: 4.984 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001447/0.7877, allocations: 67.97 kB / 1.024 GB, free: 4.918 MB / 0.8106 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 8 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (189): * Single equations (assignments): 176 * Array equations: 12 * Algorithm blocks: 1 * 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 0.001079/0.7888, allocations: 0.8154 MB / 1.024 GB, free: 4.086 MB / 0.8106 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000313/0.7891, allocations: 142.1 kB / 1.025 GB, free: 3.945 MB / 0.8106 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003398/0.7925, allocations: 2.183 MB / 1.027 GB, free: 1.742 MB / 0.8106 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.109e-05/0.7925, allocations: 11.94 kB / 1.027 GB, free: 1.73 MB / 0.8106 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.414e-06/0.7926, allocations: 7.984 kB / 1.027 GB, free: 1.723 MB / 0.8106 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.027e-05/0.7926, allocations: 3.984 kB / 1.027 GB, free: 1.719 MB / 0.8106 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005262/0.7978, allocations: 3.599 MB / 1.03 GB, free: 14.05 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.681e-06/0.7979, allocations: 5.906 kB / 1.03 GB, free: 14.05 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000619/0.7985, allocations: 155.1 kB / 1.03 GB, free: 13.9 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.596e-06/0.7985, allocations: 8 kB / 1.03 GB, free: 13.89 MB / 0.8262 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.53e-05/0.7986, allocations: 27.98 kB / 1.03 GB, free: 13.86 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.462e-06/0.7986, allocations: 4 kB / 1.03 GB, free: 13.86 MB / 0.8262 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.553e-06/0.7986, allocations: 0 / 1.03 GB, free: 13.86 MB / 0.8262 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003126/0.8017, allocations: 2.175 MB / 1.033 GB, free: 11.66 MB / 0.8262 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006271/0.8024, allocations: 374.9 kB / 1.033 GB, free: 11.27 MB / 0.8262 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002073/0.8026, allocations: 35.84 kB / 1.033 GB, free: 11.24 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007368/0.8033, allocations: 52.73 kB / 1.033 GB, free: 11.19 MB / 0.8262 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001541/0.8035, allocations: 64.91 kB / 1.033 GB, free: 11.12 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.353e-05/0.8036, allocations: 47.97 kB / 1.033 GB, free: 11.08 MB / 0.8262 GB Notification: Performance of sorting global known variables: time 0.002495/0.8061, allocations: 2.75 MB / 1.036 GB, free: 8.328 MB / 0.8262 GB Notification: Performance of sort global known variables: time 1.8e-07/0.8061, allocations: 4 kB / 1.036 GB, free: 8.324 MB / 0.8262 GB Notification: Performance of remove unused functions: time 0.002018/0.8081, allocations: 1.006 MB / 1.037 GB, free: 7.316 MB / 0.8262 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of discrete states: 2 (weaDat.conTim.tNext,weaDat.conTimMin.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (90): * Single equations (assignments): 87 * Array equations: 0 * Algorithm blocks: 1 * 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 0.002391/0.8105, allocations: 0.899 MB / 1.038 GB, free: 6.641 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.009634/0.8202, allocations: 10.59 MB / 1.048 GB, free: 12.04 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 4.157e-06/0.8202, allocations: 0 / 1.048 GB, free: 12.04 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.00165/0.8218, allocations: 1.469 MB / 1.049 GB, free: 10.56 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001778/0.8236, allocations: 327 kB / 1.05 GB, free: 10.27 MB / 0.8419 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007272/0.8309, allocations: 5.39 MB / 1.055 GB, free: 4.84 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001566/0.8325, allocations: 1.744 MB / 1.057 GB, free: 3.059 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.001038/0.8336, allocations: 374.4 kB / 1.057 GB, free: 2.711 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003602/0.8339, allocations: 135.4 kB / 1.057 GB, free: 2.578 MB / 0.8419 GB Notification: Performance of SimCode: time 9.51e-07/0.8339, allocations: 0 / 1.057 GB, free: 2.578 MB / 0.8419 GB Notification: Performance of Templates: time 0.05838/0.8923, allocations: 29.81 MB / 1.086 GB, free: 4.977 MB / 0.8731 GB make -j1 -f Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation.makefile (rm -f Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation.pipe ; mkfifo Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation.pipe ; head -c 1048576 < Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation.pipe >> ../files/Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation.sim & ./Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.AbsorbedRadiation.pipe 2>&1)