Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001397/0.001397, allocations: 103.7 kB / 16.94 MB, free: 6.16 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001457/0.001457, allocations: 187.6 kB / 17.87 MB, free: 5.297 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.385/1.385, allocations: 222.9 MB / 241.6 MB, free: 15.2 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.8203/0.8203, allocations: 122.9 MB / 414.6 MB, free: 15.93 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001398/0.001398, allocations: 67.91 kB / 0.4918 GB, free: 7.43 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3632/0.3647, allocations: 77.92 MB / 0.5678 GB, free: 32.63 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY): time 0.01875/0.3834, allocations: 16.96 MB / 0.5844 GB, free: 21.44 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.009251/0.3928, allocations: 6.024 MB / 0.5903 GB, free: 16.81 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001551/0.3943, allocations: 48.34 kB / 0.5903 GB, free: 16.8 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.003541/0.3979, allocations: 1.469 MB / 0.5918 GB, free: 15.67 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.002846/0.4008, allocations: 1.062 MB / 0.5928 GB, free: 14.82 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002404/0.4032, allocations: 1.045 MB / 0.5938 GB, free: 14.01 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.004379/0.4076, allocations: 4.304 MB / 0.598 GB, free: 11.64 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005312/0.4129, allocations: 6.021 MB / 0.6039 GB, free: 5.773 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002556/0.4155, allocations: 1.929 MB / 0.6058 GB, free: 3.84 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002335/0.4178, allocations: 2.291 MB / 0.608 GB, free: 1.543 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0005505/0.4184, allocations: 460 kB / 0.6085 GB, free: 1.094 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001914/0.4203, allocations: 1.139 MB / 0.6096 GB, free: 15.95 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001812/0.4221, allocations: 1.794 MB / 0.6113 GB, free: 14.15 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002104/0.4243, allocations: 1.778 MB / 0.6131 GB, free: 12.37 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.006527/0.4308, allocations: 6.627 MB / 0.6195 GB, free: 5.723 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.972e-06/0.4308, allocations: 7.938 kB / 0.6196 GB, free: 5.715 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.863e-06/0.4308, allocations: 0 / 0.6196 GB, free: 5.715 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.0001204/0.431, allocations: 0 / 0.6196 GB, free: 5.715 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 809 * Number of variables: 809 Notification: Performance of Generate backend data structure: time 0.006561/0.4375, allocations: 3.065 MB / 0.6225 GB, free: 2.59 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.147e-05/0.4376, allocations: 12.03 kB / 0.6226 GB, free: 2.578 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01356/0.4512, allocations: 2.018 MB / 0.6245 GB, free: 0.5547 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005404/0.4566, allocations: 1.64 MB / 0.6261 GB, free: 14.87 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000405/0.4571, allocations: 230.5 kB / 0.6263 GB, free: 14.64 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001842/0.4589, allocations: 296.3 kB / 0.6266 GB, free: 14.35 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01813/0.4771, allocations: 5.928 MB / 0.6324 GB, free: 8.332 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 9.11e-05/0.4772, allocations: 3.938 kB / 0.6324 GB, free: 8.328 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007839/0.478, allocations: 124 kB / 0.6325 GB, free: 8.207 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003542/0.4784, allocations: 209 kB / 0.6327 GB, free: 8 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01407/0.4925, allocations: 5.967 MB / 0.6386 GB, free: 2.02 MB / 478.1 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 0.02861/0.5211, allocations: 22.97 MB / 0.661 GB, free: 9.039 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005588/0.5267, allocations: 2.517 MB / 0.6635 GB, free: 6.402 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004804/0.5316, allocations: 1.82 MB / 0.6652 GB, free: 4.566 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002421/0.5318, allocations: 122 kB / 0.6654 GB, free: 4.426 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.557e-05/0.5319, allocations: 55.52 kB / 0.6654 GB, free: 4.363 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=123): time 3.316e-06/0.5319, allocations: 0 / 0.6654 GB, free: 4.363 MB / 0.4981 GB Notification: Performance of matching and sorting (n=153): time 0.03862/0.5705, allocations: 11.78 MB / 0.6769 GB, free: 8.535 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001437/0.5707, allocations: 234.8 kB / 0.6771 GB, free: 8.258 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001549/0.5723, allocations: 1.067 MB / 0.6782 GB, free: 7.176 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 0.0003002/0.5726, allocations: 53.7 kB / 0.6782 GB, free: 7.117 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008506/0.5735, allocations: 1.254 MB / 0.6794 GB, free: 5.844 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.000691/0.5742, allocations: 0.5316 MB / 0.68 GB, free: 5.305 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009163/0.5751, allocations: 467.7 kB / 0.6804 GB, free: 4.84 MB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 0.0001389/0.5752, allocations: 338 kB / 0.6807 GB, free: 4.504 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004713/0.58, allocations: 1.84 MB / 0.6825 GB, free: 2.652 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005333/0.5853, allocations: 2.505 MB / 0.685 GB, free: 15.84 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009921/0.5953, allocations: 4.36 MB / 0.6892 GB, free: 11.18 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.327e-05/0.5953, allocations: 4 kB / 0.6892 GB, free: 11.18 MB / 0.5294 GB Notification: Performance of matching and sorting (n=282) (initialization): time 0.01333/0.6086, allocations: 5.216 MB / 0.6943 GB, free: 5.934 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 3.807e-05/0.6087, allocations: 12 kB / 0.6943 GB, free: 5.922 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.211e-05/0.6088, allocations: 20 kB / 0.6944 GB, free: 5.902 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00285/0.6116, allocations: 0.8834 MB / 0.6952 GB, free: 5 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003333/0.615, allocations: 0.7682 MB / 0.696 GB, free: 4.23 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01522/0.6302, allocations: 13.86 MB / 0.7095 GB, free: 5.527 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003429/0.6337, allocations: 471 kB / 0.71 GB, free: 5.066 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005164/0.6342, allocations: 119.9 kB / 0.7101 GB, free: 4.949 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006641/0.6409, allocations: 2.951 MB / 0.713 GB, free: 1.988 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005114/0.646, allocations: 2.494 MB / 0.7154 GB, free: 15.19 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.009491/0.6556, allocations: 4.332 MB / 0.7196 GB, free: 10.55 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.15e-05/0.6556, allocations: 8 kB / 0.7196 GB, free: 10.55 MB / 0.5606 GB Notification: Performance of matching and sorting (n=282) (initialization_lambda0): time 0.01259/0.6682, allocations: 5.15 MB / 0.7247 GB, free: 5.367 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 2.964e-05/0.6683, allocations: 12 kB / 0.7247 GB, free: 5.355 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.468e-05/0.6683, allocations: 20.28 kB / 0.7247 GB, free: 5.336 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002315/0.6706, allocations: 0.7977 MB / 0.7255 GB, free: 4.52 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003308/0.674, allocations: 0.776 MB / 0.7262 GB, free: 3.742 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01408/0.688, allocations: 13.68 MB / 0.7396 GB, free: 5.215 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003395/0.6915, allocations: 451.2 kB / 0.74 GB, free: 4.773 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004692/0.692, allocations: 112 kB / 0.7401 GB, free: 4.664 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 97 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (240): * Single equations (assignments): 234 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0008564/0.6928, allocations: 325.7 kB / 0.7404 GB, free: 4.34 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005778/0.6934, allocations: 122.6 kB / 0.7406 GB, free: 4.219 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2739/0.9673, allocations: 4.586 MB / 0.745 GB, free: 152.4 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.853e-05/0.9674, allocations: 15.97 kB / 0.7451 GB, free: 152.4 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.978e-05/0.9675, allocations: 8.156 kB / 0.7451 GB, free: 152.4 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.32e-05/0.9675, allocations: 16.42 kB / 0.7451 GB, free: 152.4 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01911/0.9866, allocations: 8.3 MB / 0.7532 GB, free: 150.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.93e-05/0.9867, allocations: 7.547 kB / 0.7532 GB, free: 150.5 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002575/0.9893, allocations: 0.5287 MB / 0.7537 GB, free: 150.5 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002193/0.9915, allocations: 0.7043 MB / 0.7544 GB, free: 150.3 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001888/0.9917, allocations: 55.78 kB / 0.7544 GB, free: 150.3 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01143/1.003, allocations: 13.32 MB / 0.7675 GB, free: 139.7 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.143e-05/1.003, allocations: 13.44 kB / 0.7675 GB, free: 139.7 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01019/1.013, allocations: 4.292 MB / 0.7717 GB, free: 138.1 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008593/1.014, allocations: 472.4 kB / 0.7721 GB, free: 137.8 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002535/1.015, allocations: 43.61 kB / 0.7722 GB, free: 137.8 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002389/1.017, allocations: 391 kB / 0.7725 GB, free: 137.8 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003339/1.017, allocations: 135 kB / 0.7727 GB, free: 137.8 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001348/1.017, allocations: 64.88 kB / 0.7727 GB, free: 137.8 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001057/1.018, allocations: 0.7777 MB / 0.7735 GB, free: 137.5 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.31e-07/1.018, allocations: 1.375 kB / 0.7735 GB, free: 137.5 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.004043/1.023, allocations: 1.156 MB / 0.7746 GB, free: 137.4 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 32 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (107): * Single equations (assignments): 101 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%), (2,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0003034/1.023, allocations: 151.7 kB / 0.7747 GB, free: 137.2 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.01774/1.041, allocations: 8.731 MB / 0.7833 GB, free: 133.4 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 1.403e-05/1.041, allocations: 0 / 0.7833 GB, free: 133.4 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.005518/1.046, allocations: 2.749 MB / 0.786 GB, free: 131.7 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001586/1.048, allocations: 195.7 kB / 0.7861 GB, free: 131.6 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01804/1.066, allocations: 7.907 MB / 0.7939 GB, free: 125.1 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001889/1.068, allocations: 2.387 MB / 0.7962 GB, free: 122.7 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008692/1.069, allocations: 171.3 kB / 0.7964 GB, free: 122.5 MB / 0.5762 GB Notification: Performance of SimCode: time 8.41e-07/1.069, allocations: 0 / 0.7964 GB, free: 122.5 MB / 0.5762 GB Notification: Performance of Templates: time 0.0935/1.162, allocations: 128.5 MB / 0.9219 GB, free: 9.867 MB / 0.5919 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Conversion.Examples.TransformerStepDownDY.pipe 2>&1)