Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle") translateModel(BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001394/0.001394, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00146/0.00146, allocations: 198.1 kB / 16.14 MB, free: 6.715 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.448/1.448, allocations: 222.9 MB / 239.8 MB, free: 4.621 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002975/0.002976, allocations: 276.2 kB / 290.2 MB, free: 2.223 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.099/1.099, allocations: 178.6 MB / 0.5068 GB, free: 4.75 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.003048/0.003048, allocations: 105.8 kB / 0.6057 GB, free: 25.17 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1612/0.1643, allocations: 89.15 MB / 0.6928 GB, free: 4.828 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle): time 0.008468/0.1728, allocations: 6.892 MB / 0.6995 GB, free: 13.91 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.4837/0.6565, allocations: 149 MB / 0.845 GB, free: 7.289 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001742/0.6583, allocations: 22 kB / 0.845 GB, free: 7.281 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.001365/0.6597, allocations: 201.2 kB / 0.8452 GB, free: 7.113 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.00364/0.6634, allocations: 0.6745 MB / 0.8459 GB, free: 6.617 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.003012/0.6665, allocations: 0.8758 MB / 0.8467 GB, free: 5.965 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.003567/0.67, allocations: 2.003 MB / 0.8487 GB, free: 4.781 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002315/0.6724, allocations: 0.982 MB / 0.8496 GB, free: 4.148 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002044/0.6744, allocations: 0.7365 MB / 0.8503 GB, free: 3.734 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002038/0.6765, allocations: 0.8491 MB / 0.8512 GB, free: 3.145 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0006788/0.6772, allocations: 117.2 kB / 0.8513 GB, free: 3.141 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002027/0.6792, allocations: 460.3 kB / 0.8517 GB, free: 2.973 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0008629/0.6801, allocations: 395.3 kB / 0.8521 GB, free: 2.664 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.002044/0.6822, allocations: 0.8633 MB / 0.8529 GB, free: 2.062 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.003954/0.6861, allocations: 2.429 MB / 0.8553 GB, free: 280 kB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 8.506e-06/0.6862, allocations: 0 / 0.8553 GB, free: 280 kB / 0.5762 GB Notification: Performance of FrontEnd: time 7.053e-06/0.6862, allocations: 0 / 0.8553 GB, free: 280 kB / 0.5762 GB Notification: Performance of Transformations before backend: time 6.818e-05/0.6863, allocations: 3.938 kB / 0.8553 GB, free: 276 kB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 392 * Number of variables: 392 Notification: Performance of Generate backend data structure: time 0.005374/0.6916, allocations: 2.064 MB / 0.8573 GB, free: 14.7 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 5.177e-05/0.6917, allocations: 7.125 kB / 0.8573 GB, free: 14.7 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001174/0.6929, allocations: 258.8 kB / 0.8576 GB, free: 14.58 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001606/0.6945, allocations: 0.9702 MB / 0.8585 GB, free: 13.79 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001007/0.6946, allocations: 117.8 kB / 0.8587 GB, free: 13.73 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001904/0.6948, allocations: 146.5 kB / 0.8588 GB, free: 13.69 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002912/0.6978, allocations: 1.58 MB / 0.8603 GB, free: 12.7 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.808e-05/0.6978, allocations: 0 / 0.8603 GB, free: 12.7 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001484/0.698, allocations: 67.05 kB / 0.8604 GB, free: 12.65 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.756e-05/0.698, allocations: 37.12 kB / 0.8604 GB, free: 12.65 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00282/0.7008, allocations: 1.636 MB / 0.862 GB, free: 11.86 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 0.008313/0.7091, allocations: 4.574 MB / 0.8665 GB, free: 8.234 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002337/0.7115, allocations: 1.197 MB / 0.8677 GB, free: 7.625 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008715/0.7124, allocations: 475.4 kB / 0.8681 GB, free: 7.383 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001211/0.7125, allocations: 51.66 kB / 0.8682 GB, free: 7.355 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001513/0.7141, allocations: 0.7838 MB / 0.8689 GB, free: 6.859 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=128): time 2.425e-06/0.7141, allocations: 2.219 kB / 0.8689 GB, free: 6.859 MB / 0.5919 GB Notification: Performance of matching and sorting (n=128): time 0.00496/0.719, allocations: 1.84 MB / 0.8707 GB, free: 5.379 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001393/0.7192, allocations: 197.2 kB / 0.8709 GB, free: 5.145 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001467/0.7207, allocations: 0.8654 MB / 0.8718 GB, free: 4.254 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.0001309/0.7208, allocations: 53.7 kB / 0.8718 GB, free: 4.195 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005855/0.7214, allocations: 0.6014 MB / 0.8724 GB, free: 3.582 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004291/0.7219, allocations: 418.1 kB / 0.8728 GB, free: 3.168 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004334/0.7223, allocations: 254.7 kB / 0.873 GB, free: 2.91 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001709/0.7225, allocations: 353.9 kB / 0.8734 GB, free: 2.559 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009455/0.7234, allocations: 450.4 kB / 0.8738 GB, free: 2.121 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001085/0.7245, allocations: 0.5668 MB / 0.8744 GB, free: 1.543 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001951/0.7265, allocations: 0.9858 MB / 0.8753 GB, free: 0.5469 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.214e-06/0.7265, allocations: 0 / 0.8753 GB, free: 0.5469 MB / 0.5919 GB Notification: Performance of matching and sorting (n=159) (initialization): time 0.003336/0.7299, allocations: 1.344 MB / 0.8766 GB, free: 15.19 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 2.465e-05/0.7299, allocations: 8 kB / 0.8767 GB, free: 15.18 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.037e-05/0.7299, allocations: 4.094 kB / 0.8767 GB, free: 15.18 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006634/0.7306, allocations: 80.77 kB / 0.8767 GB, free: 15.1 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001257/0.7319, allocations: 267.6 kB / 0.877 GB, free: 14.84 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002551/0.7344, allocations: 1.55 MB / 0.8785 GB, free: 13.15 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001518/0.736, allocations: 158.8 kB / 0.8787 GB, free: 13 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001318/0.7361, allocations: 59.89 kB / 0.8787 GB, free: 12.94 MB / 0.6075 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 32 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,incAngEas.decAng.tNext,$PRE.incAngEas.decAng.tNext,incAngSou.decAng.tNext,$PRE.incAngSou.decAng.tNext,incAngWes.decAng.tNext,$PRE.incAngWes.decAng.tNext,incAngNor.decAng.tNext,$PRE.incAngNor.decAng.tNext,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,incAngHor.decAng.tNext,$PRE.incAngHor.decAng.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (157): * Single equations (assignments): 156 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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): 1 system {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0008122/0.7369, allocations: 361.7 kB / 0.8791 GB, free: 12.57 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003178/0.7372, allocations: 114.6 kB / 0.8792 GB, free: 12.46 MB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004124/0.7414, allocations: 1.711 MB / 0.8808 GB, free: 10.75 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.798e-05/0.7414, allocations: 19.94 kB / 0.8809 GB, free: 10.73 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.887e-06/0.7414, allocations: 0 / 0.8809 GB, free: 10.73 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.537e-05/0.7415, allocations: 7.969 kB / 0.8809 GB, free: 10.72 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00222/0.7437, allocations: 1.394 MB / 0.8822 GB, free: 9.273 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.853e-06/0.7437, allocations: 0 / 0.8822 GB, free: 9.273 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001011/0.7447, allocations: 223.7 kB / 0.8824 GB, free: 9.055 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005798/0.7453, allocations: 80.78 kB / 0.8825 GB, free: 8.973 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001041/0.7454, allocations: 43.89 kB / 0.8826 GB, free: 8.93 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002146/0.7476, allocations: 1.556 MB / 0.8841 GB, free: 7.238 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.483e-06/0.7476, allocations: 0 / 0.8841 GB, free: 7.238 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003356/0.751, allocations: 1.418 MB / 0.8855 GB, free: 5.801 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007371/0.7517, allocations: 371.1 kB / 0.8858 GB, free: 5.418 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002303/0.752, allocations: 35.84 kB / 0.8858 GB, free: 5.383 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001033/0.753, allocations: 101.9 kB / 0.8859 GB, free: 5.285 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002705/0.7533, allocations: 109.1 kB / 0.886 GB, free: 5.176 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001172/0.7534, allocations: 55.91 kB / 0.8861 GB, free: 5.121 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.001004/0.7544, allocations: 0.6464 MB / 0.8867 GB, free: 4.465 MB / 0.6075 GB Notification: Performance of sort global known variables: time 1.7e-07/0.7544, allocations: 4 kB / 0.8867 GB, free: 4.461 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.00143/0.7559, allocations: 486.6 kB / 0.8872 GB, free: 3.984 MB / 0.6075 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 20 ($whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,incAngHor.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,incAngNor.decAng.tNext,incAngWes.decAng.tNext,incAngSou.decAng.tNext,incAngEas.decAng.tNext) * Number of discrete states: 10 (incAngHor.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,incAngNor.decAng.tNext,incAngWes.decAng.tNext,incAngSou.decAng.tNext,incAngEas.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (144): * Single equations (assignments): 133 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002152/0.758, allocations: 0.6424 MB / 0.8878 GB, free: 3.523 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.002938/0.761, allocations: 1.267 MB / 0.8891 GB, free: 2.242 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 7.494e-06/0.761, allocations: 4 kB / 0.8891 GB, free: 2.238 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.001448/0.7624, allocations: 0.7363 MB / 0.8898 GB, free: 1.492 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00174/0.7642, allocations: 328.4 kB / 0.8901 GB, free: 1.176 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005645/0.7699, allocations: 3.276 MB / 0.8933 GB, free: 13.87 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009346/0.7708, allocations: 1.233 MB / 0.8945 GB, free: 12.61 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.001512/0.7724, allocations: 330.1 kB / 0.8948 GB, free: 12.29 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004965/0.7729, allocations: 159.3 kB / 0.895 GB, free: 12.13 MB / 0.6231 GB Notification: Performance of SimCode: time 1.072e-06/0.7729, allocations: 0 / 0.895 GB, free: 12.13 MB / 0.6231 GB Notification: Performance of Templates: time 0.04198/0.8149, allocations: 20.71 MB / 0.9152 GB, free: 7.629 MB / 0.6387 GB make -j1 -f BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.makefile (rm -f BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe ; mkfifo BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe >> ../files/BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.sim & ./BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe 2>&1)