Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface.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/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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(Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface") translateModel(Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001129/0.001129, 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 0.001162/0.001162, allocations: 195.4 kB / 16.14 MB, free: 6.688 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.415/1.415, allocations: 222.9 MB / 239.8 MB, free: 4.598 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.891/2.891, allocations: 472.6 MB / 0.7447 GB, free: 4.961 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001259/0.001259, allocations: 60.86 kB / 0.9113 GB, free: 33.5 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3857/0.387, allocations: 159.9 MB / 1.068 GB, free: 10.88 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface): time 0.01438/0.4014, allocations: 11.66 MB / 1.079 GB, free: 15.17 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.1995/0.601, allocations: 150.3 MB / 1.226 GB, free: 8.297 MB / 0.9825 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00476/0.6058, allocations: 27.88 kB / 1.226 GB, free: 8.27 MB / 0.9825 GB Notification: Performance of NFTyping.typeComponents: time 0.00257/0.6084, allocations: 317.3 kB / 1.226 GB, free: 7.957 MB / 0.9825 GB Notification: Performance of NFTyping.typeBindings: time 0.007101/0.6156, allocations: 1.021 MB / 1.227 GB, free: 6.934 MB / 0.9825 GB Notification: Performance of NFTyping.typeClassSections: time 0.005781/0.6214, allocations: 1.491 MB / 1.228 GB, free: 5.449 MB / 0.9825 GB Notification: Performance of NFFlatten.flatten: time 0.006263/0.6277, allocations: 3.868 MB / 1.232 GB, free: 1.562 MB / 0.9825 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004019/0.6317, allocations: 2.288 MB / 1.234 GB, free: 15.2 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002548/0.6343, allocations: 1.444 MB / 1.236 GB, free: 13.75 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00292/0.6372, allocations: 1.746 MB / 1.238 GB, free: 12 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.00114/0.6384, allocations: 251.9 kB / 1.238 GB, free: 11.75 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002226/0.6406, allocations: 0.5973 MB / 1.238 GB, free: 11.16 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.001472/0.6421, allocations: 0.7587 MB / 1.239 GB, free: 10.39 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.003209/0.6453, allocations: 1.78 MB / 1.241 GB, free: 8.605 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.007109/0.6525, allocations: 5.538 MB / 1.246 GB, free: 3.051 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 6.412e-06/0.6525, allocations: 0 / 1.246 GB, free: 3.051 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.944e-06/0.6525, allocations: 0 / 1.246 GB, free: 3.051 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0001763/0.6527, allocations: 0 / 1.246 GB, free: 3.051 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 875 * Number of variables: 875 Notification: Performance of Generate backend data structure: time 0.6846/1.337, allocations: 3.796 MB / 1.25 GB, free: 180.2 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 6.694e-05/1.337, allocations: 9.375 kB / 1.25 GB, free: 180.2 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.018/1.355, allocations: 2.225 MB / 1.252 GB, free: 180.1 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004427/1.36, allocations: 1.741 MB / 1.254 GB, free: 179.5 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002848/1.36, allocations: 253.4 kB / 1.254 GB, free: 179.5 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001074/1.361, allocations: 328.8 kB / 1.254 GB, free: 179.5 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01508/1.376, allocations: 4.459 MB / 1.259 GB, free: 178.7 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.23e-05/1.376, allocations: 7.156 kB / 1.259 GB, free: 178.7 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005133/1.377, allocations: 149.6 kB / 1.259 GB, free: 178.6 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.53e-05/1.377, allocations: 81.44 kB / 1.259 GB, free: 178.6 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01665/1.394, allocations: 5.145 MB / 1.264 GB, free: 177.1 MB / 0.9981 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 0.03678/1.431, allocations: 12.6 MB / 1.276 GB, free: 169.7 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01203/1.443, allocations: 3.381 MB / 1.28 GB, free: 167.9 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005866/1.449, allocations: 1.733 MB / 1.281 GB, free: 167 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001029/1.45, allocations: 0.5205 MB / 1.282 GB, free: 166.5 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.007743/1.457, allocations: 2.148 MB / 1.284 GB, free: 165.2 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=249): time 1.582e-05/1.457, allocations: 4 kB / 1.284 GB, free: 165.2 MB / 0.9981 GB Notification: Performance of matching and sorting (n=249): time 0.02251/1.48, allocations: 5.201 MB / 1.289 GB, free: 162.6 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001597/1.48, allocations: 214.2 kB / 1.289 GB, free: 162.3 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003844/1.484, allocations: 1.302 MB / 1.291 GB, free: 161.6 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 0.001278/1.485, allocations: 74.17 kB / 1.291 GB, free: 161.6 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.001504/1.487, allocations: 1.12 MB / 1.292 GB, free: 160.6 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.001713/1.489, allocations: 0.796 MB / 1.292 GB, free: 159.9 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002464/1.491, allocations: 463.7 kB / 1.293 GB, free: 159.6 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 5.752e-05/1.491, allocations: 301.1 kB / 1.293 GB, free: 159.3 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005447/1.497, allocations: 1.481 MB / 1.295 GB, free: 158.5 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00588/1.503, allocations: 1.675 MB / 1.296 GB, free: 157.6 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01052/1.513, allocations: 3.068 MB / 1.299 GB, free: 156 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.974e-05/1.513, allocations: 0 / 1.299 GB, free: 156 MB / 0.9981 GB Notification: Performance of matching and sorting (n=286) (initialization): time 0.01381/1.527, allocations: 3.661 MB / 1.303 GB, free: 154.1 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 3.027e-05/1.527, allocations: 7.812 kB / 1.303 GB, free: 154.1 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.515e-05/1.527, allocations: 0 / 1.303 GB, free: 154.1 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006125/1.528, allocations: 91.14 kB / 1.303 GB, free: 154.1 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004585/1.532, allocations: 0.6765 MB / 1.304 GB, free: 153.8 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00205/1.534, allocations: 1.555 MB / 1.305 GB, free: 152.3 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00474/1.539, allocations: 442.4 kB / 1.306 GB, free: 152.1 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000985/1.54, allocations: 118.5 kB / 1.306 GB, free: 152 MB / 0.9981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 35 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,HGloWal.HDirTil.incAng.decAng.tNext,$PRE.HGloWal.HDirTil.incAng.decAng.tNext,HGloWal.HDifTil.incAng.decAng.tNext,$PRE.HGloWal.HDifTil.incAng.decAng.tNext,HGloFlo.HDirTil.incAng.decAng.tNext,$PRE.HGloFlo.HDirTil.incAng.decAng.tNext,HGloFlo.HDifTil.incAng.decAng.tNext,$PRE.HGloFlo.HDifTil.incAng.decAng.tNext,HGloRoo.HDirTil.incAng.decAng.tNext,$PRE.HGloRoo.HDirTil.incAng.decAng.tNext,HGloRoo.HDifTil.incAng.decAng.tNext,$PRE.HGloRoo.HDifTil.incAng.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,$PRE.weaDat.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10,$whenCondition11) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (284): * Single equations (assignments): 283 * 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 0.002835/1.543, allocations: 0.6049 MB / 1.306 GB, free: 151.4 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001246/1.544, allocations: 193.6 kB / 1.306 GB, free: 151.2 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01513/1.559, allocations: 4.366 MB / 1.311 GB, free: 146.7 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.489e-05/1.56, allocations: 28 kB / 1.311 GB, free: 146.7 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.476e-06/1.56, allocations: 0 / 1.311 GB, free: 146.7 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.099e-05/1.56, allocations: 15.94 kB / 1.311 GB, free: 146.7 MB / 0.9981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00596/1.566, allocations: 3.426 MB / 1.314 GB, free: 143.3 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.419e-05/1.566, allocations: 0 / 1.314 GB, free: 143.3 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004159/1.57, allocations: 0.6163 MB / 1.315 GB, free: 142.7 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005704/1.57, allocations: 92.7 kB / 1.315 GB, free: 142.6 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006576/1.571, allocations: 87.84 kB / 1.315 GB, free: 142.5 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00164/1.573, allocations: 1.557 MB / 1.316 GB, free: 140.8 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.565e-06/1.573, allocations: 3.984 kB / 1.316 GB, free: 140.8 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01262/1.585, allocations: 3.743 MB / 1.32 GB, free: 137 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001839/1.587, allocations: 0.6969 MB / 1.321 GB, free: 136.2 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009528/1.588, allocations: 67.83 kB / 1.321 GB, free: 136.2 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003741/1.592, allocations: 307.6 kB / 1.321 GB, free: 135.9 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005429/1.593, allocations: 189.8 kB / 1.321 GB, free: 135.7 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004375/1.593, allocations: 111.8 kB / 1.321 GB, free: 135.6 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001823/1.595, allocations: 0.9637 MB / 1.322 GB, free: 134.6 MB / 0.9981 GB Notification: Performance of sort global known variables: time 3.2e-07/1.595, allocations: 4 kB / 1.322 GB, free: 134.6 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.003487/1.598, allocations: 0.9058 MB / 1.323 GB, free: 133.7 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 22 ($whenCondition11,$whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,HGloRoo.HDifTil.incAng.decAng.tNext,HGloRoo.HDirTil.incAng.decAng.tNext,HGloFlo.HDifTil.incAng.decAng.tNext,HGloFlo.HDirTil.incAng.decAng.tNext,HGloWal.HDifTil.incAng.decAng.tNext,HGloWal.HDirTil.incAng.decAng.tNext) * Number of discrete states: 11 (weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,HGloRoo.HDifTil.incAng.decAng.tNext,HGloRoo.HDirTil.incAng.decAng.tNext,HGloFlo.HDifTil.incAng.decAng.tNext,HGloFlo.HDirTil.incAng.decAng.tNext,HGloWal.HDifTil.incAng.decAng.tNext,HGloWal.HDirTil.incAng.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (273): * Single equations (assignments): 261 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 11 * 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 0.001993/1.6, allocations: 0.6779 MB / 1.324 GB, free: 133.3 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.01061/1.611, allocations: 3.658 MB / 1.327 GB, free: 129.6 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 7.565e-06/1.611, allocations: 0 / 1.327 GB, free: 129.6 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.005562/1.617, allocations: 2.021 MB / 1.329 GB, free: 127.5 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003422/1.62, allocations: 427.4 kB / 1.33 GB, free: 127.1 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01337/1.633, allocations: 6.892 MB / 1.337 GB, free: 120.2 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001646/1.635, allocations: 1.724 MB / 1.338 GB, free: 118.4 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.005356/1.641, allocations: 0.6418 MB / 1.339 GB, free: 117.8 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001932/1.642, allocations: 279.2 kB / 1.339 GB, free: 117.5 MB / 0.9981 GB Notification: Performance of SimCode: time 1.813e-06/1.643, allocations: 4 kB / 1.339 GB, free: 117.5 MB / 0.9981 GB Notification: Performance of Templates: time 0.06306/1.706, allocations: 37.7 MB / 1.376 GB, free: 80.05 MB / 0.9981 GB make -j1 -f Buildings_3.0.0_Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface.makefile (rm -f Buildings_3.0.0_Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface.pipe ; mkfifo Buildings_3.0.0_Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface.pipe >> ../files/Buildings_3.0.0_Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface.sim & ./Buildings_3.0.0_Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.BoundaryConditions.SolarIrradiation.Examples.GlobalPerezTiltedSurface.pipe 2>&1)