Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo", uses=false) Using package ThermoPower with version 3.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(ThermoPower.Test.WaterComponents.TestMixer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.WaterComponents.TestMixer") translateModel(ThermoPower.Test.WaterComponents.TestMixer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.WaterComponents.TestMixer") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001443/0.001443, allocations: 111.9 kB / 17.68 MB, free: 5.355 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001496/0.001496, allocations: 192 kB / 18.62 MB, free: 4.434 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.205/1.205, allocations: 205.1 MB / 224.5 MB, free: 12.24 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo): time 0.2898/0.2898, allocations: 48.86 MB / 320.7 MB, free: 11.02 MB / 270.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001626/0.001626, allocations: 71.89 kB / 391.5 MB, free: 48.58 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1315/0.1331, allocations: 59.16 MB / 450.7 MB, free: 9.047 MB / 334.1 MB Notification: Performance of NFInst.instantiate(ThermoPower.Test.WaterComponents.TestMixer): time 0.07034/0.2035, allocations: 72.52 MB / 0.5109 GB, free: 284 kB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.01466/0.2182, allocations: 10.87 MB / 0.5215 GB, free: 5.375 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008121/0.219, allocations: 11.94 kB / 0.5216 GB, free: 5.363 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001127/0.2203, allocations: 341.7 kB / 0.5219 GB, free: 5.027 MB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001126/0.2214, allocations: 441.1 kB / 0.5223 GB, free: 4.594 MB / 414.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.3017/0.5231, allocations: 5.339 MB / 0.5275 GB, free: 9.035 MB / 414.1 MB Notification: Performance of NFFlatten.flatten: time 0.002283/0.5254, allocations: 1.186 MB / 0.5287 GB, free: 9.035 MB / 414.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0006515/0.5261, allocations: 383.7 kB / 0.529 GB, free: 9.023 MB / 414.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0007318/0.5268, allocations: 436.7 kB / 0.5295 GB, free: 9.023 MB / 414.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0006131/0.5274, allocations: 441 kB / 0.5299 GB, free: 9.023 MB / 414.1 MB Notification: Performance of NFPackage.collectConstants: time 8.681e-05/0.5275, allocations: 44.53 kB / 0.5299 GB, free: 9.023 MB / 414.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01497/0.5425, allocations: 6.326 MB / 0.5361 GB, free: 9.023 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002395/0.5428, allocations: 120.2 kB / 0.5362 GB, free: 9.023 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0007717/0.5436, allocations: 337.2 kB / 0.5365 GB, free: 9.023 MB / 414.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01308/0.5567, allocations: 4.019 MB / 0.5405 GB, free: 8.965 MB / 414.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.34e-06/0.5567, allocations: 0 / 0.5405 GB, free: 8.965 MB / 414.1 MB Notification: Performance of FrontEnd: time 1.623e-06/0.5567, allocations: 0 / 0.5405 GB, free: 8.965 MB / 414.1 MB Notification: Performance of Transformations before backend: time 1.148e-05/0.5567, allocations: 3.141 kB / 0.5405 GB, free: 8.965 MB / 414.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 119 * Number of variables: 119 Notification: Performance of Generate backend data structure: time 0.004295/0.561, allocations: 1.34 MB / 0.5418 GB, free: 8.211 MB / 414.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.237e-05/0.5611, allocations: 13.67 kB / 0.5418 GB, free: 8.207 MB / 414.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004986/0.5616, allocations: 121.8 kB / 0.5419 GB, free: 8.172 MB / 414.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006679/0.5623, allocations: 420 kB / 0.5423 GB, free: 7.918 MB / 414.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.552e-05/0.5623, allocations: 38.72 kB / 0.5423 GB, free: 7.918 MB / 414.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 9.922e-05/0.5624, allocations: 52.14 kB / 0.5424 GB, free: 7.918 MB / 414.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00179/0.5642, allocations: 0.6866 MB / 0.5431 GB, free: 7.801 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.97e-05/0.5643, allocations: 1.25 kB / 0.5431 GB, free: 7.801 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.208e-05/0.5643, allocations: 19.44 kB / 0.5431 GB, free: 7.801 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.133e-05/0.5644, allocations: 12.03 kB / 0.5431 GB, free: 7.801 MB / 414.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00154/0.5659, allocations: 0.5217 MB / 0.5436 GB, free: 7.797 MB / 414.1 MB 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 0.002684/0.5686, allocations: 2.65 MB / 0.5462 GB, free: 5.867 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001294/0.5699, allocations: 0.5621 MB / 0.5467 GB, free: 5.656 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002251/0.5701, allocations: 128.1 kB / 0.5469 GB, free: 5.648 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.06518/0.6353, allocations: 32.12 MB / 0.5782 GB, free: 15.26 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.862e-05/0.6354, allocations: 40.91 kB / 0.5783 GB, free: 15.21 MB / 446.1 MB Notification: Performance of pre-optimization done (n=28): time 2.705e-06/0.6354, allocations: 0 / 0.5783 GB, free: 15.21 MB / 446.1 MB Notification: Performance of matching and sorting (n=31): time 0.006094/0.6415, allocations: 1.85 MB / 0.5801 GB, free: 14.41 MB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001003/0.6417, allocations: 111.6 kB / 0.5802 GB, free: 14.29 MB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006744/0.6424, allocations: 463.4 kB / 0.5806 GB, free: 14.1 MB / 446.1 MB Notification: Performance of collectPreVariables (initialization): time 5.117e-05/0.6424, allocations: 31.95 kB / 0.5806 GB, free: 14.07 MB / 446.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002216/0.6426, allocations: 277.2 kB / 0.5809 GB, free: 13.92 MB / 446.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001091/0.6428, allocations: 110.9 kB / 0.581 GB, free: 13.84 MB / 446.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001595/0.6429, allocations: 90.28 kB / 0.5811 GB, free: 13.81 MB / 446.1 MB Notification: Performance of setup shared object (initialization): time 0.0001762/0.6431, allocations: 369.1 kB / 0.5815 GB, free: 13.48 MB / 446.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003151/0.6434, allocations: 159.3 kB / 0.5816 GB, free: 13.45 MB / 446.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003483/0.6438, allocations: 231.1 kB / 0.5818 GB, free: 13.35 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006082/0.6444, allocations: 370.5 kB / 0.5822 GB, free: 13.29 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.623e-06/0.6444, allocations: 0 / 0.5822 GB, free: 13.29 MB / 446.1 MB Notification: Performance of matching and sorting (n=41) (initialization): time 0.001874/0.6463, allocations: 0.742 MB / 0.5829 GB, free: 13.09 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.699e-05/0.6463, allocations: 2.281 kB / 0.5829 GB, free: 13.09 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.094e-06/0.6463, allocations: 2.906 kB / 0.5829 GB, free: 13.09 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002332/0.6487, allocations: 0.5246 MB / 0.5834 GB, free: 12.94 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001464/0.6488, allocations: 34.92 kB / 0.5835 GB, free: 12.93 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001683/0.6505, allocations: 1.51 MB / 0.5849 GB, free: 11.81 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004204/0.651, allocations: 14.81 kB / 0.5849 GB, free: 11.8 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.837e-05/0.651, allocations: 28.05 kB / 0.585 GB, free: 11.8 MB / 446.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004172/0.6515, allocations: 268.1 kB / 0.5852 GB, free: 11.7 MB / 446.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002959/0.6518, allocations: 218.2 kB / 0.5854 GB, free: 11.6 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005709/0.6523, allocations: 373 kB / 0.5858 GB, free: 11.52 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.573e-06/0.6524, allocations: 0 / 0.5858 GB, free: 11.52 MB / 446.1 MB Notification: Performance of matching and sorting (n=41) (initialization_lambda0): time 0.001606/0.654, allocations: 0.687 MB / 0.5865 GB, free: 11.34 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.373e-05/0.654, allocations: 6.562 kB / 0.5865 GB, free: 11.34 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.079e-06/0.654, allocations: 7.031 kB / 0.5865 GB, free: 11.34 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001521/0.6555, allocations: 447.5 kB / 0.5869 GB, free: 11.21 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001513/0.6557, allocations: 45.8 kB / 0.5869 GB, free: 11.21 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001836/0.6575, allocations: 1.449 MB / 0.5884 GB, free: 10.1 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003677/0.6579, allocations: 13.27 kB / 0.5884 GB, free: 10.09 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.248e-05/0.658, allocations: 24.8 kB / 0.5884 GB, free: 10.09 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 3 (header.fluidState.phase,pressDrop.state.phase,mixer.fluidState.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (20): * Single equations (assignments): 18 * Array equations: 0 * Algorithm blocks: 0 * 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 {(3,11), (2,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0002108/0.6582, allocations: 204.5 kB / 0.5886 GB, free: 9.902 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001087/0.6583, allocations: 52.53 kB / 0.5886 GB, free: 9.879 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003599/0.6619, allocations: 3.007 MB / 0.5916 GB, free: 8.086 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.388e-05/0.6619, allocations: 8.234 kB / 0.5916 GB, free: 8.082 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.143e-06/0.662, allocations: 0 / 0.5916 GB, free: 8.082 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.904e-06/0.662, allocations: 3.984 kB / 0.5916 GB, free: 8.078 MB / 446.1 MB 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 postOpt removeSimpleEquations (simulation): time 0.005287/0.6673, allocations: 4.525 MB / 0.596 GB, free: 4.977 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.513e-06/0.6673, allocations: 0 / 0.596 GB, free: 4.977 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002062/0.6675, allocations: 49.53 kB / 0.5961 GB, free: 4.934 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002759/0.6703, allocations: 1.208 MB / 0.5972 GB, free: 4.117 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.125e-05/0.6703, allocations: 7.562 kB / 0.5972 GB, free: 4.113 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003278/0.6736, allocations: 2.844 MB / 0.6 GB, free: 1.301 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.763e-06/0.6736, allocations: 0 / 0.6 GB, free: 1.301 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004488/0.6781, allocations: 3.964 MB / 0.6039 GB, free: 14.09 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002603/0.6784, allocations: 138.2 kB / 0.604 GB, free: 13.94 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.278e-05/0.6785, allocations: 8.031 kB / 0.604 GB, free: 13.93 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003274/0.6788, allocations: 23.91 kB / 0.6041 GB, free: 13.91 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001355/0.679, allocations: 27.97 kB / 0.6041 GB, free: 13.88 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.747e-05/0.679, allocations: 8 kB / 0.6041 GB, free: 13.87 MB / 462.1 MB Notification: Performance of sorting global known variables: time 0.0004271/0.6794, allocations: 318.9 kB / 0.6044 GB, free: 13.57 MB / 462.1 MB Notification: Performance of sort global known variables: time 1.6e-07/0.6794, allocations: 0 / 0.6044 GB, free: 13.57 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.004711/0.6842, allocations: 0.9918 MB / 0.6054 GB, free: 12.57 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (mixer.p,mixer.h,header.p,header.h) * Number of discrete variables: 4 ($cse2.phase,$cse2.region,$cse4.phase,$cse4.region) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (30): * Single equations (assignments): 25 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {2} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.004912/0.6891, allocations: 0.966 MB / 0.6063 GB, free: 11.7 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.002509/0.6916, allocations: 0.8064 MB / 0.6071 GB, free: 10.9 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 4.328e-06/0.6916, allocations: 0 / 0.6071 GB, free: 10.9 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001192/0.6928, allocations: 462.9 kB / 0.6075 GB, free: 10.44 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001627/0.6945, allocations: 320.8 kB / 0.6078 GB, free: 10.14 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002171/0.6966, allocations: 1.36 MB / 0.6092 GB, free: 8.781 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004436/0.6971, allocations: 0.8833 MB / 0.61 GB, free: 7.871 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 0.0003026/0.6974, allocations: 120.2 kB / 0.6101 GB, free: 7.758 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 9.065e-05/0.6975, allocations: 35.44 kB / 0.6102 GB, free: 7.723 MB / 462.1 MB Notification: Performance of SimCode: time 9.22e-07/0.6975, allocations: 0 / 0.6102 GB, free: 7.723 MB / 462.1 MB Notification: Performance of Templates: time 0.058/0.7555, allocations: 42.68 MB / 0.6519 GB, free: 13.16 MB / 0.4981 GB make -j1 -f ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.makefile (rm -f ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe ; mkfifo ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe ; head -c 1048576 < ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe >> ../files/ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.sim & ./ThermoPower_ThermoPower.Test.WaterComponents.TestMixer -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > ThermoPower_ThermoPower.Test.WaterComponents.TestMixer.pipe 2>&1)