Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.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 11.1.0-master/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-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: "" <> buildModelFMU(Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom,fileNamePrefix="Buildings_latest_Buildings_HeatTransfer_Windows_Examples_BeamDepthInRoom",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom,fileNamePrefix="Buildings_latest_Buildings_HeatTransfer_Windows_Examples_BeamDepthInRoom",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.003965/0.003968, allocations: 103.1 kB / 15.74 MB, free: 6.059 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009613/0.0009614, allocations: 189 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.394/1.394, allocations: 222.9 MB / 240.4 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-master/package.mo): time 2.633/2.633, allocations: 469.4 MB / 0.7422 GB, free: 3.469 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001379/0.001379, allocations: 63.91 kB / 1.064 GB, free: 14.3 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7076/0.709, allocations: 159.1 MB / 1.22 GB, free: 2.285 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom): time 0.007091/0.7161, allocations: 5.26 MB / 1.225 GB, free: 13 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.005551/0.7217, allocations: 3.006 MB / 1.228 GB, free: 9.98 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008773/0.7226, allocations: 12 kB / 1.228 GB, free: 9.969 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.0004169/0.723, allocations: 126.4 kB / 1.228 GB, free: 9.844 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.002241/0.7253, allocations: 0.6245 MB / 1.229 GB, free: 9.223 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.001084/0.7264, allocations: 0.5618 MB / 1.229 GB, free: 8.66 MB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.001988/0.7284, allocations: 1.755 MB / 1.231 GB, free: 6.898 MB / 0.9512 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008175/0.7292, allocations: 0.5043 MB / 1.231 GB, free: 6.371 MB / 0.9512 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00097/0.7302, allocations: 0.6734 MB / 1.232 GB, free: 5.695 MB / 0.9512 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001161/0.7314, allocations: 0.7297 MB / 1.233 GB, free: 4.965 MB / 0.9512 GB Notification: Performance of NFPackage.collectConstants: time 0.0003904/0.7318, allocations: 192 kB / 1.233 GB, free: 4.777 MB / 0.9512 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0008042/0.7326, allocations: 379.8 kB / 1.233 GB, free: 4.406 MB / 0.9512 GB Notification: Performance of NFScalarize.scalarize: time 0.0003895/0.733, allocations: 382.8 kB / 1.234 GB, free: 4.031 MB / 0.9512 GB Notification: Performance of NFVerifyModel.verify: time 0.0009126/0.7339, allocations: 0.7271 MB / 1.234 GB, free: 3.301 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.002236/0.7361, allocations: 2.086 MB / 1.236 GB, free: 1.211 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 4.608e-06/0.7362, allocations: 0 / 1.236 GB, free: 1.211 MB / 0.9512 GB Notification: Performance of FrontEnd: time 1.553e-06/0.7362, allocations: 0 / 1.236 GB, free: 1.211 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 6.011e-05/0.7362, allocations: 0 / 1.236 GB, free: 1.211 MB / 0.9512 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 236 * Number of variables: 236 Notification: Performance of Generate backend data structure: time 0.004428/0.7407, allocations: 1.683 MB / 1.238 GB, free: 15.46 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 4.444e-05/0.7407, allocations: 16.61 kB / 1.238 GB, free: 15.45 MB / 0.9669 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002572/0.741, allocations: 144 kB / 1.238 GB, free: 15.3 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003344/0.7413, allocations: 140.1 kB / 1.238 GB, free: 15.16 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001453/0.7428, allocations: 0.822 MB / 1.239 GB, free: 14.3 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.459e-05/0.7429, allocations: 78.38 kB / 1.239 GB, free: 14.22 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001651/0.7431, allocations: 91.94 kB / 1.239 GB, free: 14.13 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002029/0.7451, allocations: 1.054 MB / 1.24 GB, free: 13.06 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.549e-05/0.7451, allocations: 0 / 1.24 GB, free: 13.06 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001083/0.7453, allocations: 47.94 kB / 1.24 GB, free: 13.02 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.985e-05/0.7453, allocations: 24 kB / 1.24 GB, free: 12.99 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001831/0.7471, allocations: 0.8521 MB / 1.241 GB, free: 12.14 MB / 0.9669 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005497/0.7526, allocations: 3.198 MB / 1.244 GB, free: 8.875 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004492/0.7571, allocations: 1.44 MB / 1.246 GB, free: 7.406 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008957/0.758, allocations: 495.2 kB / 1.246 GB, free: 6.91 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 6.989e-05/0.7581, allocations: 23.95 kB / 1.246 GB, free: 6.887 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001306/0.7594, allocations: 0.7691 MB / 1.247 GB, free: 6.098 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=116): time 3.687e-06/0.7595, allocations: 0 / 1.247 GB, free: 6.098 MB / 0.9669 GB Notification: Performance of matching and sorting (n=116): time 0.003114/0.7626, allocations: 1.508 MB / 1.248 GB, free: 4.586 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.794e-05/0.7627, allocations: 148.4 kB / 1.249 GB, free: 4.41 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001156/0.7638, allocations: 0.7979 MB / 1.249 GB, free: 3.602 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 8.841e-05/0.7639, allocations: 53.69 kB / 1.249 GB, free: 3.543 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003388/0.7643, allocations: 417.6 kB / 1.25 GB, free: 3.129 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003349/0.7646, allocations: 384.7 kB / 1.25 GB, free: 2.75 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003424/0.765, allocations: 206.8 kB / 1.25 GB, free: 2.539 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001205/0.7651, allocations: 345.9 kB / 1.251 GB, free: 2.195 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000816/0.7659, allocations: 394.5 kB / 1.251 GB, free: 1.812 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009106/0.7668, allocations: 0.5237 MB / 1.252 GB, free: 1.246 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001599/0.7685, allocations: 0.8528 MB / 1.252 GB, free: 380 kB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.691e-06/0.7685, allocations: 0 / 1.252 GB, free: 380 kB / 0.9669 GB Notification: Performance of matching and sorting (n=136) (initialization): time 0.002218/0.7707, allocations: 1.11 MB / 1.253 GB, free: 15.25 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 1.658e-05/0.7707, allocations: 8 kB / 1.253 GB, free: 15.25 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.504e-06/0.7707, allocations: 0 / 1.253 GB, free: 15.25 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.229e-05/0.7708, allocations: 11.98 kB / 1.253 GB, free: 15.23 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00106/0.7718, allocations: 223.6 kB / 1.254 GB, free: 15.02 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.023e-05/0.7719, allocations: 11.94 kB / 1.254 GB, free: 15 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001121/0.773, allocations: 143.3 kB / 1.254 GB, free: 14.86 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.833e-05/0.7731, allocations: 51.89 kB / 1.254 GB, free: 14.81 MB / 0.9825 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 40 (winEas.proShaLen.solAzi.outsidePolarCircle,winEas.proShaLen.decAng.tNext,$PRE.winEas.proShaLen.decAng.tNext,winEas.proShaLen.eqnTim.tNext,$PRE.winEas.proShaLen.eqnTim.tNext,winEas.proShaLen.locTim.tNext,$PRE.winEas.proShaLen.locTim.tNext,$whenCondition10,$whenCondition11,$whenCondition12,winSou.proShaLen.solAzi.outsidePolarCircle,winSou.proShaLen.decAng.tNext,$PRE.winSou.proShaLen.decAng.tNext,winSou.proShaLen.eqnTim.tNext,$PRE.winSou.proShaLen.eqnTim.tNext,winSou.proShaLen.locTim.tNext,$PRE.winSou.proShaLen.locTim.tNext,$whenCondition7,$whenCondition8,$whenCondition9,winWes.proShaLen.solAzi.outsidePolarCircle,winWes.proShaLen.decAng.tNext,$PRE.winWes.proShaLen.decAng.tNext,winWes.proShaLen.eqnTim.tNext,$PRE.winWes.proShaLen.eqnTim.tNext,winWes.proShaLen.locTim.tNext,$PRE.winWes.proShaLen.locTim.tNext,$whenCondition4,$whenCondition5,$whenCondition6,winNor.proShaLen.solAzi.outsidePolarCircle,winNor.proShaLen.decAng.tNext,$PRE.winNor.proShaLen.decAng.tNext,winNor.proShaLen.eqnTim.tNext,$PRE.winNor.proShaLen.eqnTim.tNext,winNor.proShaLen.locTim.tNext,$PRE.winNor.proShaLen.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (136): * Single equations (assignments): 136 * 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 0.0004235/0.7735, allocations: 303.4 kB / 1.254 GB, free: 14.51 MB / 0.9825 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002267/0.7738, allocations: 111.3 kB / 1.254 GB, free: 14.4 MB / 0.9825 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002948/0.7767, allocations: 1.525 MB / 1.256 GB, free: 12.87 MB / 0.9825 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.542e-05/0.7767, allocations: 19.94 kB / 1.256 GB, free: 12.85 MB / 0.9825 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.886e-06/0.7768, allocations: 0 / 1.256 GB, free: 12.85 MB / 0.9825 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.027e-05/0.7768, allocations: 7.969 kB / 1.256 GB, free: 12.84 MB / 0.9825 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001459/0.7783, allocations: 1.332 MB / 1.257 GB, free: 11.46 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.909e-06/0.7783, allocations: 0 / 1.257 GB, free: 11.46 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009836/0.7793, allocations: 231.6 kB / 1.257 GB, free: 11.23 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.701e-05/0.7793, allocations: 4 kB / 1.257 GB, free: 11.23 MB / 0.9825 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.722e-05/0.7794, allocations: 43.95 kB / 1.257 GB, free: 11.18 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.223e-05/0.7794, allocations: 11.94 kB / 1.257 GB, free: 11.17 MB / 0.9825 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.396e-06/0.7794, allocations: 3.984 kB / 1.257 GB, free: 11.17 MB / 0.9825 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002444/0.7819, allocations: 1.365 MB / 1.259 GB, free: 9.777 MB / 0.9825 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005269/0.7824, allocations: 371.8 kB / 1.259 GB, free: 9.395 MB / 0.9825 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002278/0.7826, allocations: 32 kB / 1.259 GB, free: 9.363 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009114/0.7836, allocations: 75.86 kB / 1.259 GB, free: 9.289 MB / 0.9825 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002212/0.7838, allocations: 115.8 kB / 1.259 GB, free: 9.176 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001029/0.7839, allocations: 55.95 kB / 1.259 GB, free: 9.121 MB / 0.9825 GB Notification: Performance of sorting global known variables: time 0.0007796/0.7847, allocations: 0.581 MB / 1.26 GB, free: 8.543 MB / 0.9825 GB Notification: Performance of sort global known variables: time 2.3e-07/0.7847, allocations: 0 / 1.26 GB, free: 8.543 MB / 0.9825 GB Notification: Performance of remove unused functions: time 0.0009332/0.7856, allocations: 343.4 kB / 1.26 GB, free: 8.207 MB / 0.9825 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 24 ($whenCondition12,$whenCondition11,$whenCondition10,winEas.proShaLen.locTim.tNext,winEas.proShaLen.eqnTim.tNext,winEas.proShaLen.decAng.tNext,$whenCondition9,$whenCondition8,$whenCondition7,winSou.proShaLen.locTim.tNext,winSou.proShaLen.eqnTim.tNext,winSou.proShaLen.decAng.tNext,$whenCondition6,$whenCondition5,$whenCondition4,winWes.proShaLen.locTim.tNext,winWes.proShaLen.eqnTim.tNext,winWes.proShaLen.decAng.tNext,$whenCondition3,$whenCondition2,$whenCondition1,winNor.proShaLen.locTim.tNext,winNor.proShaLen.eqnTim.tNext,winNor.proShaLen.decAng.tNext) * Number of discrete states: 12 (winNor.proShaLen.locTim.tNext,winNor.proShaLen.eqnTim.tNext,winNor.proShaLen.decAng.tNext,winWes.proShaLen.locTim.tNext,winWes.proShaLen.eqnTim.tNext,winWes.proShaLen.decAng.tNext,winSou.proShaLen.locTim.tNext,winSou.proShaLen.eqnTim.tNext,winSou.proShaLen.decAng.tNext,winEas.proShaLen.locTim.tNext,winEas.proShaLen.eqnTim.tNext,winEas.proShaLen.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (156): * Single equations (assignments): 144 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 12 * 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 0.003342/0.789, allocations: 2.144 MB / 1.262 GB, free: 6.059 MB / 0.9825 GB Notification: Performance of simCode: created initialization part: time 0.002096/0.7911, allocations: 1.061 MB / 1.263 GB, free: 5.004 MB / 0.9825 GB Notification: Performance of simCode: created event and clocks part: time 3.307e-06/0.7911, allocations: 0 / 1.263 GB, free: 5.004 MB / 0.9825 GB Notification: Performance of simCode: created simulation system equations: time 0.001146/0.7923, allocations: 0.649 MB / 1.264 GB, free: 4.355 MB / 0.9825 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006586/0.7929, allocations: 99.3 kB / 1.264 GB, free: 4.258 MB / 0.9825 GB Warning: Could not resolve URI (uri) at compile-time; copying all loaded packages into the FMU Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01314/0.8061, allocations: 8.135 MB / 1.272 GB, free: 11.93 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007157/0.8068, allocations: 1.085 MB / 1.273 GB, free: 10.82 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.0006778/0.8075, allocations: 200.4 kB / 1.273 GB, free: 10.62 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007397/0.8083, allocations: 479.2 kB / 1.274 GB, free: 10.15 MB / 0.9981 GB Notification: Performance of SimCode: time 7.61e-07/0.8083, allocations: 0 / 1.274 GB, free: 10.15 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.092/1.901, allocations: 21.75 MB / 1.295 GB, free: 4.609 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.593/11.49, allocations: 6.469 kB / 1.295 GB, free: 4.609 MB / 1.014 GB (rm -f Buildings_latest_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.pipe ; mkfifo Buildings_latest_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.pipe ; head -c 1048576 < Buildings_latest_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.pipe >> ../files/Buildings_latest_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom_res.csv --start-time 0 --stop-time 86400 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 34.56 Buildings_latest_Buildings_HeatTransfer_Windows_Examples_BeamDepthInRoom.fmu > Buildings_latest_Buildings.HeatTransfer.Windows.Examples.BeamDepthInRoom.pipe 2>&1)