Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.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.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7")
translateModel(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001167/0.001167, allocations: 105.9 kB / 15.98 MB, free: 6.352 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001197/0.001197, allocations: 193.5 kB / 16.91 MB, free: 6.195 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.2/1.2, allocations: 222.9 MB / 240.6 MB, free: 15.44 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002017/0.002017, allocations: 295.3 kB / 291 MB, free: 14.71 MB / 238.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.8864/0.8864, allocations: 169.2 MB / 0.4985 GB, free: 4.75 MB / 382.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001574/0.001574, allocations: 88.92 kB / 0.5953 GB, free: 15.53 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.154/0.1556, allocations: 86.98 MB / 0.6803 GB, free: 8.574 MB / 494.1 MB
Notification: Performance of NFInst.instantiate(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7): time 0.4217/0.5773, allocations: 155.7 MB / 0.8323 GB, free: 3.805 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.02332/0.6007, allocations: 21.86 MB / 0.8537 GB, free: 13.87 MB / 0.6231 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001994/0.6027, allocations: 55.69 kB / 0.8537 GB, free: 13.82 MB / 0.6231 GB
Notification: Performance of NFTyping.typeComponents: time 0.001905/0.6047, allocations: 1.337 MB / 0.855 GB, free: 12.48 MB / 0.6231 GB
Notification: Performance of NFTyping.typeBindings: time 0.001813/0.6065, allocations: 0.9577 MB / 0.856 GB, free: 11.52 MB / 0.6231 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001581/0.6081, allocations: 0.5771 MB / 0.8565 GB, free: 10.95 MB / 0.6231 GB
Notification: Performance of NFFlatten.flatten: time 0.001944/0.6101, allocations: 1.704 MB / 0.8582 GB, free: 9.238 MB / 0.6231 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001317/0.6114, allocations: 0.9568 MB / 0.8591 GB, free: 8.27 MB / 0.6231 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.001087/0.6125, allocations: 0.7436 MB / 0.8598 GB, free: 7.523 MB / 0.6231 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00141/0.6139, allocations: 1.245 MB / 0.8611 GB, free: 6.277 MB / 0.6231 GB
Notification: Performance of NFPackage.collectConstants: time 0.0002169/0.6141, allocations: 92 kB / 0.8611 GB, free: 6.188 MB / 0.6231 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0003927/0.6145, allocations: 140 kB / 0.8613 GB, free: 6.051 MB / 0.6231 GB
Notification: Performance of NFScalarize.scalarize: time 0.0003877/0.6149, allocations: 436.3 kB / 0.8617 GB, free: 5.621 MB / 0.6231 GB
Notification: Performance of NFVerifyModel.verify: time 0.0006631/0.6156, allocations: 0.6597 MB / 0.8623 GB, free: 4.957 MB / 0.6231 GB
Notification: Performance of NFConvertDAE.convert: time 0.0011/0.6167, allocations: 1.228 MB / 0.8635 GB, free: 3.727 MB / 0.6231 GB
Notification: Performance of FrontEnd - DAE generated: time 3.436e-06/0.6167, allocations: 0 / 0.8635 GB, free: 3.727 MB / 0.6231 GB
Notification: Performance of FrontEnd: time 1.392e-06/0.6167, allocations: 0 / 0.8635 GB, free: 3.727 MB / 0.6231 GB
Notification: Performance of Transformations before backend: time 1.236e-05/0.6168, allocations: 4 kB / 0.8635 GB, free: 3.723 MB / 0.6231 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 157
 * Number of variables: 157
Notification: Performance of Generate backend data structure: time 0.002564/0.6193, allocations: 1.911 MB / 0.8654 GB, free: 1.75 MB / 0.6231 GB
Notification: Performance of prepare preOptimizeDAE: time 3.264e-05/0.6194, allocations: 8.031 kB / 0.8654 GB, free: 1.742 MB / 0.6231 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002538/0.6196, allocations: 186.7 kB / 0.8656 GB, free: 1.559 MB / 0.6231 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001013/0.6206, allocations: 0.8673 MB / 0.8664 GB, free: 0.6445 MB / 0.6231 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001215/0.6208, allocations: 90.98 kB / 0.8665 GB, free: 0.5508 MB / 0.6231 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 9.478e-05/0.6209, allocations: 67.91 kB / 0.8666 GB, free: 496 kB / 0.6231 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001168/0.6221, allocations: 0.7215 MB / 0.8673 GB, free: 15.74 MB / 0.6387 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.109e-05/0.6221, allocations: 0 / 0.8673 GB, free: 15.74 MB / 0.6387 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.124e-05/0.6222, allocations: 28 kB / 0.8673 GB, free: 15.71 MB / 0.6387 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.327e-05/0.6222, allocations: 16 kB / 0.8673 GB, free: 15.7 MB / 0.6387 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001006/0.6232, allocations: 0.5438 MB / 0.8679 GB, free: 15.15 MB / 0.6387 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 0.004005/0.6272, allocations: 3.628 MB / 0.8714 GB, free: 11.24 MB / 0.6387 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001204/0.6284, allocations: 0.6043 MB / 0.872 GB, free: 10.63 MB / 0.6387 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0006373/0.6291, allocations: 371.5 kB / 0.8724 GB, free: 10.27 MB / 0.6387 GB
Notification: Performance of preOpt evalFunc (simulation): time 4.76e-05/0.6291, allocations: 16.55 kB / 0.8724 GB, free: 10.25 MB / 0.6387 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006791/0.6298, allocations: 375 kB / 0.8727 GB, free: 9.875 MB / 0.6387 GB
Notification: Performance of pre-optimization done (n=65): time 2.204e-06/0.6298, allocations: 0 / 0.8727 GB, free: 9.875 MB / 0.6387 GB
Notification: Performance of matching and sorting (n=65): time 0.004508/0.6343, allocations: 1.781 MB / 0.8745 GB, free: 8.047 MB / 0.6387 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.385e-05/0.6344, allocations: 59.95 kB / 0.8745 GB, free: 7.977 MB / 0.6387 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002063/0.6365, allocations: 2.259 MB / 0.8767 GB, free: 5.711 MB / 0.6387 GB
Notification: Performance of collectPreVariables (initialization): time 5.73e-05/0.6365, allocations: 41.7 kB / 0.8768 GB, free: 5.664 MB / 0.6387 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005044/0.637, allocations: 0.7186 MB / 0.8775 GB, free: 4.938 MB / 0.6387 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001628/0.6372, allocations: 213.1 kB / 0.8777 GB, free: 4.727 MB / 0.6387 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001857/0.6374, allocations: 126.6 kB / 0.8778 GB, free: 4.598 MB / 0.6387 GB
Notification: Performance of setup shared object (initialization): time 0.0001137/0.6375, allocations: 334 kB / 0.8781 GB, free: 4.266 MB / 0.6387 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005549/0.6381, allocations: 273.8 kB / 0.8784 GB, free: 3.996 MB / 0.6387 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006259/0.6387, allocations: 428.8 kB / 0.8788 GB, free: 3.531 MB / 0.6387 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001046/0.6398, allocations: 0.6613 MB / 0.8794 GB, free: 2.824 MB / 0.6387 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.058e-06/0.6398, allocations: 0 / 0.8794 GB, free: 2.824 MB / 0.6387 GB
Notification: Performance of matching and sorting (n=93) (initialization): time 0.002095/0.6419, allocations: 1.117 MB / 0.8805 GB, free: 1.699 MB / 0.6387 GB
Notification: Performance of prepare postOptimizeDAE: time 1.997e-05/0.6419, allocations: 8 kB / 0.8805 GB, free: 1.691 MB / 0.6387 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.015e-05/0.6419, allocations: 7.938 kB / 0.8805 GB, free: 1.684 MB / 0.6387 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0007649/0.6427, allocations: 275.4 kB / 0.8808 GB, free: 1.414 MB / 0.6387 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004019/0.6431, allocations: 127.8 kB / 0.8809 GB, free: 1.289 MB / 0.6387 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004956/0.6481, allocations: 3.749 MB / 0.8846 GB, free: 13.43 MB / 0.6544 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000677/0.6488, allocations: 111.2 kB / 0.8847 GB, free: 13.32 MB / 0.6544 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.681e-05/0.6489, allocations: 24 kB / 0.8847 GB, free: 13.29 MB / 0.6544 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 17
 * Number of states: 0 ()
 * Number of discrete variables: 25 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition6,$PRE.intGai.nextTimeEvent,$whenCondition5,$PRE.reference.nextTimeEvent,$whenCondition4,$PRE.setTemp.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,setTemp.nextTimeEventScaled,$PRE.setTemp.nextTimeEventScaled,setTemp.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent,conHeaCoo.I.trigger_internal)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (67):
 * Single equations (assignments): 66
 * 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
   {(2,25)}
Notification: Performance of prepare postOptimizeDAE: time 0.0006592/0.6495, allocations: 465.3 kB / 0.8852 GB, free: 12.83 MB / 0.6544 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002254/0.6498, allocations: 154 kB / 0.8853 GB, free: 12.68 MB / 0.6544 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003163/0.6501, allocations: 187.7 kB / 0.8855 GB, free: 12.49 MB / 0.6544 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.544e-06/0.6501, allocations: 8 kB / 0.8855 GB, free: 12.48 MB / 0.6544 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.043e-06/0.6501, allocations: 0 / 0.8855 GB, free: 12.48 MB / 0.6544 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.488e-06/0.6501, allocations: 11.92 kB / 0.8855 GB, free: 12.47 MB / 0.6544 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00332/0.6535, allocations: 2.041 MB / 0.8875 GB, free: 10.37 MB / 0.6544 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.847e-06/0.6535, allocations: 0 / 0.8875 GB, free: 10.37 MB / 0.6544 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002695/0.6538, allocations: 63.84 kB / 0.8876 GB, free: 10.3 MB / 0.6544 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0007273/0.6545, allocations: 280.4 kB / 0.8878 GB, free: 10.03 MB / 0.6544 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.619e-05/0.6546, allocations: 16 kB / 0.8878 GB, free: 10.01 MB / 0.6544 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005524/0.6601, allocations: 5.232 MB / 0.893 GB, free: 4.504 MB / 0.6544 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.076e-06/0.6601, allocations: 3.984 kB / 0.893 GB, free: 4.5 MB / 0.6544 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002464/0.6626, allocations: 1.392 MB / 0.8943 GB, free: 3.082 MB / 0.6544 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0003719/0.663, allocations: 263 kB / 0.8946 GB, free: 2.805 MB / 0.6544 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001665/0.6632, allocations: 23.94 kB / 0.8946 GB, free: 2.781 MB / 0.6544 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004428/0.6636, allocations: 43.95 kB / 0.8946 GB, free: 2.738 MB / 0.6544 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001542/0.6638, allocations: 68.53 kB / 0.8947 GB, free: 2.672 MB / 0.6544 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.864e-05/0.6638, allocations: 27.98 kB / 0.8947 GB, free: 2.645 MB / 0.6544 GB
Notification: Performance of sorting global known variables: time 0.001672/0.6655, allocations: 1.631 MB / 0.8963 GB, free: 1.02 MB / 0.6544 GB
Notification: Performance of sort global known variables: time 2.31e-07/0.6655, allocations: 0 / 0.8963 GB, free: 1.02 MB / 0.6544 GB
Notification: Performance of remove unused functions: time 0.0009173/0.6664, allocations: 284 kB / 0.8966 GB, free: 0.7422 MB / 0.6544 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 5 (thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,conHeaCoo.I.y,assEqu.diff,mean.x)
 * Number of discrete variables: 15 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,setTemp.nextTimeEvent,setTemp.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y_last)
 * Number of discrete states: 9 (intGai.nextTimeEvent,reference.nextTimeEvent,setTemp.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,setTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (39):
 * Single equations (assignments): 29
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 8
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(2,22)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001044/0.6675, allocations: 498.8 kB / 0.8971 GB, free: 440 kB / 0.6544 GB
Notification: Performance of simCode: created initialization part: time 0.002032/0.6695, allocations: 0.9498 MB / 0.898 GB, free: 15.46 MB / 0.67 GB
Notification: Performance of simCode: created event and clocks part: time 3.246e-06/0.6695, allocations: 0 / 0.898 GB, free: 15.46 MB / 0.67 GB
Notification: Performance of simCode: created simulation system equations: time 0.001058/0.6706, allocations: 0.6714 MB / 0.8986 GB, free: 14.77 MB / 0.67 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001225/0.6718, allocations: 278.4 kB / 0.8989 GB, free: 14.5 MB / 0.67 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00463/0.6765, allocations: 3.623 MB / 0.9024 GB, free: 10.84 MB / 0.67 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009234/0.6774, allocations: 1.307 MB / 0.9037 GB, free: 9.508 MB / 0.67 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001541/0.6776, allocations: 59.42 kB / 0.9038 GB, free: 9.453 MB / 0.67 GB
Notification: Performance of SimCode: time 3.2e-07/0.6776, allocations: 0 / 0.9038 GB, free: 9.453 MB / 0.67 GB
Notification: Performance of Templates: time 0.02864/0.7062, allocations: 23.65 MB / 0.9269 GB, free: 1.859 MB / 0.6856 GB
make -j1 -f BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.makefile
(rm -f BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe ; mkfifo BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe >> ../files/BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.sim & ./BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7  -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe 2>&1)