Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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(IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic") translateModel(IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.002094/0.002094, allocations: 105.1 kB / 16.41 MB, free: 6.469 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002413/0.002413, allocations: 187 kB / 17.34 MB, free: 5.715 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.458/1.458, allocations: 222.9 MB / 241 MB, free: 15.06 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8553/0.8553, allocations: 135.2 MB / 426.4 MB, free: 4.09 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00191/0.00191, allocations: 64.88 kB / 0.5863 GB, free: 21.67 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1545/0.1564, allocations: 80.93 MB / 0.6654 GB, free: 5.754 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic): time 0.5074/0.6638, allocations: 131.1 MB / 0.7934 GB, free: 18.73 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.03005/0.6938, allocations: 24.99 MB / 0.8178 GB, free: 2.102 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006377/0.7002, allocations: 139.2 kB / 0.8179 GB, free: 2.051 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.004857/0.705, allocations: 1.805 MB / 0.8197 GB, free: 0.5703 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.0137/0.7187, allocations: 4.715 MB / 0.8243 GB, free: 12.82 MB / 0.5919 GB Notification: Performance of NFTyping.typeClassSections: time 0.01/0.7287, allocations: 3.537 MB / 0.8277 GB, free: 10.09 MB / 0.5919 GB Notification: Performance of NFFlatten.flatten: time 0.0132/0.7419, allocations: 8.946 MB / 0.8365 GB, free: 4.738 MB / 0.5919 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004455/0.7464, allocations: 2.631 MB / 0.839 GB, free: 2.828 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00816/0.7546, allocations: 3.531 MB / 0.8425 GB, free: 320 kB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004965/0.7595, allocations: 2.472 MB / 0.8449 GB, free: 13.83 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 0.0008283/0.7603, allocations: 395.9 kB / 0.8453 GB, free: 13.45 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007459/0.7678, allocations: 2.886 MB / 0.8481 GB, free: 10.55 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.001353/0.7692, allocations: 0.9224 MB / 0.849 GB, free: 9.629 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.003449/0.7726, allocations: 1.984 MB / 0.8509 GB, free: 7.637 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.0118/0.7844, allocations: 6.383 MB / 0.8572 GB, free: 1.242 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 6.633e-06/0.7844, allocations: 0 / 0.8572 GB, free: 1.242 MB / 0.6075 GB Notification: Performance of FrontEnd: time 2.154e-06/0.7844, allocations: 0 / 0.8572 GB, free: 1.242 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 0.0001202/0.7845, allocations: 0 / 0.8572 GB, free: 1.242 MB / 0.6075 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 579 * Number of variables: 579 Notification: Performance of Generate backend data structure: time 0.008823/0.7934, allocations: 4.183 MB / 0.8612 GB, free: 12.95 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 4.119e-05/0.7934, allocations: 13.05 kB / 0.8613 GB, free: 12.94 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01069/0.8041, allocations: 1.391 MB / 0.8626 GB, free: 11.54 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006116/0.8102, allocations: 3.013 MB / 0.8656 GB, free: 8.457 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002866/0.8105, allocations: 255.9 kB / 0.8658 GB, free: 8.191 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004748/0.811, allocations: 239.9 kB / 0.866 GB, free: 7.957 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.008604/0.8196, allocations: 3.187 MB / 0.8691 GB, free: 4.582 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.489e-05/0.8196, allocations: 7.938 kB / 0.8692 GB, free: 4.574 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000324/0.8199, allocations: 107.9 kB / 0.8693 GB, free: 4.469 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.321e-05/0.82, allocations: 68 kB / 0.8693 GB, free: 4.402 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009667/0.8297, allocations: 2.831 MB / 0.8721 GB, free: 1.555 MB / 0.6231 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 0.02284/0.8525, allocations: 13.63 MB / 0.8854 GB, free: 3.285 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004593/0.8571, allocations: 1.398 MB / 0.8868 GB, free: 1.879 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003267/0.8604, allocations: 0.8495 MB / 0.8876 GB, free: 1.031 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002146/0.8625, allocations: 1.777 MB / 0.8893 GB, free: 14.87 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004047/0.8666, allocations: 1.188 MB / 0.8905 GB, free: 13.61 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=126): time 6.201e-06/0.8666, allocations: 4.312 kB / 0.8905 GB, free: 13.61 MB / 0.6544 GB Notification: Performance of matching and sorting (n=132): time 0.05397/0.9206, allocations: 11.95 MB / 0.9022 GB, free: 1.527 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003928/0.921, allocations: 0.5805 MB / 0.9027 GB, free: 0.8086 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004993/0.926, allocations: 2.639 MB / 0.9053 GB, free: 14.15 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 0.0004402/0.9264, allocations: 65.64 kB / 0.9054 GB, free: 14.08 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.001482/0.9279, allocations: 1.348 MB / 0.9067 GB, free: 12.72 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007207/0.9286, allocations: 483.9 kB / 0.9071 GB, free: 12.25 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008351/0.9294, allocations: 463.1 kB / 0.9076 GB, free: 11.79 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 0.0001316/0.9296, allocations: 301.1 kB / 0.9079 GB, free: 11.49 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003972/0.9335, allocations: 0.9923 MB / 0.9088 GB, free: 10.49 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004718/0.9383, allocations: 1.581 MB / 0.9104 GB, free: 8.664 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007689/0.9459, allocations: 2.244 MB / 0.9126 GB, free: 6.242 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.624e-06/0.9459, allocations: 7.938 kB / 0.9126 GB, free: 6.234 MB / 0.67 GB Notification: Performance of matching and sorting (n=225) (initialization): time 0.02384/0.9698, allocations: 4.144 MB / 0.9166 GB, free: 2.066 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 6.045e-05/0.9699, allocations: 33.7 kB / 0.9167 GB, free: 2.027 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.948e-05/0.9699, allocations: 12 kB / 0.9167 GB, free: 2.016 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.004278/0.9742, allocations: 1.156 MB / 0.9178 GB, free: 0.8555 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002686/0.9768, allocations: 455.2 kB / 0.9182 GB, free: 420 kB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004613/0.9815, allocations: 2.376 MB / 0.9206 GB, free: 13.98 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004715/0.9862, allocations: 299.6 kB / 0.9208 GB, free: 13.69 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000393/0.9866, allocations: 108 kB / 0.9209 GB, free: 13.59 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005073/0.9916, allocations: 1.495 MB / 0.9224 GB, free: 12.09 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004676/0.9963, allocations: 1.558 MB / 0.9239 GB, free: 10.29 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.007923/1.004, allocations: 2.224 MB / 0.9261 GB, free: 7.891 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.955e-05/1.004, allocations: 4 kB / 0.9261 GB, free: 7.887 MB / 0.6856 GB Notification: Performance of matching and sorting (n=225) (initialization_lambda0): time 0.02386/1.028, allocations: 4.132 MB / 0.9301 GB, free: 3.73 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 5.645e-05/1.028, allocations: 36.52 kB / 0.9302 GB, free: 3.691 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.978e-05/1.028, allocations: 16 kB / 0.9302 GB, free: 3.676 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.004167/1.032, allocations: 1.153 MB / 0.9313 GB, free: 2.52 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002635/1.035, allocations: 455.2 kB / 0.9317 GB, free: 2.074 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004555/1.04, allocations: 2.381 MB / 0.9341 GB, free: 15.64 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004559/1.044, allocations: 312 kB / 0.9344 GB, free: 15.33 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003212/1.044, allocations: 99.91 kB / 0.9345 GB, free: 15.23 MB / 0.7012 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 55 * Number of states: 0 () * Number of discrete variables: 10 (realToInteger.y,N.count,$PRE.N.count,N.T_start,$PRE.N.T_start,heaPum1.com.isOn,$PRE.heaPum1.com.isOn,heaPum.com.isOn,$PRE.heaPum.com.isOn,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (166): * Single equations (assignments): 163 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(4,25), (4,27)} Notification: Performance of prepare postOptimizeDAE: time 0.0006348/1.045, allocations: 307.9 kB / 0.9348 GB, free: 14.93 MB / 0.7012 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008441/1.046, allocations: 294.2 kB / 0.935 GB, free: 14.64 MB / 0.7012 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009081/1.055, allocations: 2.383 MB / 0.9374 GB, free: 12.23 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.515e-05/1.055, allocations: 16 kB / 0.9374 GB, free: 12.21 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.031e-05/1.055, allocations: 4 kB / 0.9374 GB, free: 12.21 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.007556/1.063, allocations: 1.994 MB / 0.9393 GB, free: 10.16 MB / 0.7012 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02265/1.085, allocations: 7.004 MB / 0.9462 GB, free: 2.98 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.419e-05/1.085, allocations: 4 kB / 0.9462 GB, free: 2.977 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001793/1.087, allocations: 280.2 kB / 0.9464 GB, free: 2.703 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.003801/1.091, allocations: 1.02 MB / 0.9474 GB, free: 1.68 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002195/1.091, allocations: 51.88 kB / 0.9475 GB, free: 1.629 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004013/1.095, allocations: 2.147 MB / 0.9496 GB, free: 15.43 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.142e-05/1.095, allocations: 11.94 kB / 0.9496 GB, free: 15.42 MB / 0.7169 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0147/1.11, allocations: 3.749 MB / 0.9533 GB, free: 11.56 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001769/1.112, allocations: 0.6004 MB / 0.9538 GB, free: 10.94 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006625/1.112, allocations: 40 kB / 0.9539 GB, free: 10.9 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003493/1.116, allocations: 219.8 kB / 0.9541 GB, free: 10.68 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002968/1.116, allocations: 120.6 kB / 0.9542 GB, free: 10.57 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002198/1.116, allocations: 75.92 kB / 0.9543 GB, free: 10.49 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.003875/1.12, allocations: 1.855 MB / 0.9561 GB, free: 8.637 MB / 0.7169 GB Notification: Performance of sort global known variables: time 2.31e-07/1.12, allocations: 0 / 0.9561 GB, free: 8.637 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.005817/1.126, allocations: 1.499 MB / 0.9576 GB, free: 7.137 MB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 31 * Number of states: 2 (heaPum1.con.vol.dynBal.U,heaPum1.eva.vol.dynBal.U) * Number of discrete variables: 6 ($whenCondition1,heaPum.com.isOn,heaPum1.com.isOn,N.T_start,N.count,realToInteger.y) * Number of discrete states: 3 (N.count,heaPum1.com.isOn,heaPum.com.isOn) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (82): * Single equations (assignments): 76 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(2,19), (4,25)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002151/1.128, allocations: 0.8273 MB / 0.9584 GB, free: 6.309 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.01411/1.142, allocations: 3.605 MB / 0.9619 GB, free: 2.688 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 1.936e-05/1.142, allocations: 8.688 kB / 0.9619 GB, free: 2.68 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.004014/1.146, allocations: 0.9929 MB / 0.9629 GB, free: 1.688 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.008513/1.155, allocations: 1.575 MB / 0.9644 GB, free: 148 kB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01296/1.168, allocations: 5.093 MB / 0.9694 GB, free: 10.92 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001588/1.169, allocations: 1.712 MB / 0.971 GB, free: 9.18 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001189/1.17, allocations: 271.2 kB / 0.9713 GB, free: 8.914 MB / 0.7325 GB Notification: Performance of SimCode: time 1.132e-06/1.17, allocations: 0 / 0.9713 GB, free: 8.914 MB / 0.7325 GB Notification: Performance of Templates: time 0.1196/1.29, allocations: 83.48 MB / 1.053 GB, free: 5.625 MB / 0.8106 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic.makefile (rm -f IDEAS_dev_IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic.sim & ./IDEAS_dev_IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.HeatPumps.Validation.ScrollWaterToWater_Dynamic.pipe 2>&1)