Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves.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.Fluid.Actuators.Valves.Examples.TwoWayValves,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves") translateModel(BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00138/0.00138, allocations: 106.8 kB / 15.99 MB, free: 5.891 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001391/0.001391, allocations: 193.2 kB / 16.91 MB, free: 5.746 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.455/1.455, allocations: 222.9 MB / 240.6 MB, free: 4.531 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002702/0.002702, allocations: 286.8 kB / 291 MB, free: 2.137 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.076/1.076, allocations: 178.6 MB / 0.5076 GB, free: 4.672 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002665/0.002665, allocations: 102.4 kB / 0.6066 GB, free: 25.04 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1509/0.1536, allocations: 89.14 MB / 0.6936 GB, free: 4.664 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves): time 0.03235/0.186, allocations: 29.59 MB / 0.7225 GB, free: 6.98 MB / 0.5137 GB Notification: Performance of NFInst.instExpressions: time 0.0118/0.1978, allocations: 8.124 MB / 0.7305 GB, free: 14.83 MB / 0.5294 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001111/0.1989, allocations: 27.81 kB / 0.7305 GB, free: 14.8 MB / 0.5294 GB Notification: Performance of NFTyping.typeComponents: time 0.00119/0.2002, allocations: 349.9 kB / 0.7308 GB, free: 14.46 MB / 0.5294 GB Notification: Performance of NFTyping.typeBindings: time 0.003605/0.2038, allocations: 1.274 MB / 0.7321 GB, free: 13.18 MB / 0.5294 GB Notification: Performance of NFTyping.typeClassSections: time 0.002751/0.2066, allocations: 1.038 MB / 0.7331 GB, free: 12.15 MB / 0.5294 GB Notification: Performance of NFFlatten.flatten: time 0.00437/0.211, allocations: 3.544 MB / 0.7365 GB, free: 8.605 MB / 0.5294 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001847/0.2128, allocations: 1.31 MB / 0.7378 GB, free: 7.281 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002864/0.2157, allocations: 1.698 MB / 0.7395 GB, free: 5.578 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002627/0.2183, allocations: 1.663 MB / 0.7411 GB, free: 3.91 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.0003721/0.2187, allocations: 127.9 kB / 0.7412 GB, free: 3.785 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002027/0.2208, allocations: 1.022 MB / 0.7422 GB, free: 2.762 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.0004688/0.2212, allocations: 410.7 kB / 0.7426 GB, free: 2.359 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.0009921/0.2222, allocations: 0.7544 MB / 0.7433 GB, free: 1.602 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.001916/0.2242, allocations: 1.583 MB / 0.7449 GB, free: 16 kB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 4.328e-06/0.2242, allocations: 0 / 0.7449 GB, free: 16 kB / 0.5294 GB Notification: Performance of FrontEnd: time 3.827e-06/0.2242, allocations: 3.984 kB / 0.7449 GB, free: 12 kB / 0.5294 GB Notification: Performance of Transformations before backend: time 1.954e-05/0.2242, allocations: 0 / 0.7449 GB, free: 12 kB / 0.5294 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 145 * Number of variables: 145 Notification: Performance of Generate backend data structure: time 0.002912/0.2271, allocations: 1.663 MB / 0.7465 GB, free: 14.3 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 3.508e-05/0.2272, allocations: 12.03 kB / 0.7465 GB, free: 14.29 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003885/0.2276, allocations: 155.3 kB / 0.7467 GB, free: 14.13 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001594/0.2292, allocations: 0.8986 MB / 0.7476 GB, free: 13.18 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.351e-05/0.2293, allocations: 81.31 kB / 0.7476 GB, free: 13.1 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002203/0.2295, allocations: 116 kB / 0.7477 GB, free: 12.98 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001106/0.2306, allocations: 0.6395 MB / 0.7484 GB, free: 12.32 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.682e-05/0.2306, allocations: 3.984 kB / 0.7484 GB, free: 12.31 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.408e-05/0.2307, allocations: 24 kB / 0.7484 GB, free: 12.29 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.549e-05/0.2307, allocations: 16 kB / 0.7484 GB, free: 12.27 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008994/0.2316, allocations: 464.8 kB / 0.7489 GB, free: 11.82 MB / 0.545 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 0.004489/0.2361, allocations: 2.859 MB / 0.7516 GB, free: 8.809 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000624/0.2367, allocations: 315.9 kB / 0.7519 GB, free: 8.492 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003092/0.2371, allocations: 149.3 kB / 0.7521 GB, free: 8.344 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003377/0.2374, allocations: 344.7 kB / 0.7524 GB, free: 7.934 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.654e-05/0.2374, allocations: 34.84 kB / 0.7524 GB, free: 7.891 MB / 0.545 GB Notification: Performance of pre-optimization done (n=33): time 1.914e-06/0.2375, allocations: 0 / 0.7524 GB, free: 7.891 MB / 0.545 GB Notification: Performance of matching and sorting (n=33): time 0.001322/0.2388, allocations: 0.536 MB / 0.753 GB, free: 7.348 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.231e-05/0.2388, allocations: 55.41 kB / 0.753 GB, free: 7.281 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001109/0.24, allocations: 0.9114 MB / 0.7539 GB, free: 6.352 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0001442/0.2401, allocations: 53.7 kB / 0.754 GB, free: 6.293 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005166/0.2406, allocations: 0.5302 MB / 0.7545 GB, free: 5.758 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 9.988e-05/0.2407, allocations: 110.4 kB / 0.7546 GB, free: 5.648 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004478/0.2412, allocations: 286.9 kB / 0.7549 GB, free: 5.363 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.00015/0.2413, allocations: 342.1 kB / 0.7552 GB, free: 5.023 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004255/0.2418, allocations: 193.4 kB / 0.7554 GB, free: 4.828 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001517/0.2433, allocations: 1.147 MB / 0.7565 GB, free: 3.316 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008516/0.2442, allocations: 459.4 kB / 0.7569 GB, free: 2.848 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.925e-06/0.2442, allocations: 0 / 0.7569 GB, free: 2.848 MB / 0.545 GB Notification: Performance of matching and sorting (n=73) (initialization): time 0.001393/0.2456, allocations: 0.6542 MB / 0.7576 GB, free: 2.184 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 3.378e-05/0.2456, allocations: 9.406 kB / 0.7576 GB, free: 2.176 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.187e-06/0.2456, allocations: 4 kB / 0.7576 GB, free: 2.172 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.66e-05/0.2457, allocations: 4 kB / 0.7576 GB, free: 2.168 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001452/0.2471, allocations: 231.6 kB / 0.7578 GB, free: 1.941 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.2662/0.5133, allocations: 2.962 MB / 0.7607 GB, free: 66.86 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003764/0.5171, allocations: 0.7258 MB / 0.7614 GB, free: 66.86 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001406/0.5173, allocations: 29.28 kB / 0.7614 GB, free: 66.86 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00079/0.5181, allocations: 368.2 kB / 0.7618 GB, free: 66.77 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001132/0.5192, allocations: 1.155 MB / 0.7629 GB, free: 65.81 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007448/0.52, allocations: 460.2 kB / 0.7634 GB, free: 65.7 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.775e-06/0.52, allocations: 0 / 0.7634 GB, free: 65.7 MB / 0.545 GB Notification: Performance of matching and sorting (n=73) (initialization_lambda0): time 0.001516/0.5215, allocations: 0.6483 MB / 0.764 GB, free: 65.65 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 1.528e-05/0.5215, allocations: 7.203 kB / 0.764 GB, free: 65.65 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.171e-06/0.5216, allocations: 6.469 kB / 0.764 GB, free: 65.65 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.048e-05/0.5216, allocations: 6.281 kB / 0.764 GB, free: 65.65 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006993/0.5223, allocations: 162.9 kB / 0.7642 GB, free: 65.64 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.538e-06/0.5223, allocations: 5.844 kB / 0.7642 GB, free: 65.64 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004414/0.5267, allocations: 0.9841 MB / 0.7651 GB, free: 65.64 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.899e-05/0.5268, allocations: 26.75 kB / 0.7652 GB, free: 65.64 MB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 9 * 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 (73): * Single equations (assignments): 68 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 5 * Torn equation systems: 0 * 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): 5 systems {1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002675/0.5271, allocations: 245.7 kB / 0.7654 GB, free: 65.45 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001806/0.5273, allocations: 95.88 kB / 0.7655 GB, free: 65.45 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001109/0.5284, allocations: 0.5106 MB / 0.766 GB, free: 65.31 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.154e-05/0.5284, allocations: 4.906 kB / 0.766 GB, free: 65.31 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.833e-06/0.5284, allocations: 8.25 kB / 0.766 GB, free: 65.3 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.995e-06/0.5284, allocations: 2.016 kB / 0.766 GB, free: 65.3 MB / 0.545 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001851/0.5303, allocations: 1.25 MB / 0.7672 GB, free: 64.67 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.309e-06/0.5303, allocations: 0.875 kB / 0.7672 GB, free: 64.67 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005153/0.5308, allocations: 119.5 kB / 0.7673 GB, free: 64.66 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.372e-06/0.5308, allocations: 6.844 kB / 0.7673 GB, free: 64.66 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.944e-05/0.5309, allocations: 10.56 kB / 0.7673 GB, free: 64.66 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007595/0.5316, allocations: 2.943 MB / 0.7702 GB, free: 61.7 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.516e-06/0.5316, allocations: 2.484 kB / 0.7702 GB, free: 61.7 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007728/0.5324, allocations: 0.5712 MB / 0.7708 GB, free: 61.37 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002474/0.5327, allocations: 209.5 kB / 0.771 GB, free: 61.21 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001047/0.5328, allocations: 8.062 kB / 0.771 GB, free: 61.2 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005014/0.5333, allocations: 62.44 kB / 0.771 GB, free: 61.19 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.785e-05/0.5334, allocations: 29.41 kB / 0.7711 GB, free: 61.19 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.126e-05/0.5334, allocations: 14.52 kB / 0.7711 GB, free: 61.19 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.0007116/0.5341, allocations: 0.6088 MB / 0.7717 GB, free: 60.93 MB / 0.545 GB Notification: Performance of sort global known variables: time 3.01e-07/0.5341, allocations: 0 / 0.7717 GB, free: 60.93 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.001565/0.5357, allocations: 0.5405 MB / 0.7722 GB, free: 60.87 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 (39): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 5 * Torn equation systems: 0 * 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): 5 systems {1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0006699/0.5364, allocations: 325.7 kB / 0.7725 GB, free: 60.77 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.002672/0.5391, allocations: 0.882 MB / 0.7734 GB, free: 60.54 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 3.847e-06/0.5391, allocations: 0 / 0.7734 GB, free: 60.54 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.0005509/0.5396, allocations: 236.2 kB / 0.7736 GB, free: 60.48 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001748/0.5414, allocations: 410.8 kB / 0.774 GB, free: 60.38 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002629/0.544, allocations: 1.902 MB / 0.7759 GB, free: 59.22 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004018/0.5445, allocations: 1.024 MB / 0.7769 GB, free: 58.5 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000221/0.5447, allocations: 83.66 kB / 0.7769 GB, free: 58.48 MB / 0.545 GB Notification: Performance of SimCode: time 5.71e-07/0.5447, allocations: 0 / 0.7769 GB, free: 58.48 MB / 0.545 GB Notification: Performance of Templates: time 0.03743/0.5821, allocations: 36.1 MB / 0.8122 GB, free: 38.36 MB / 0.545 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves.sim & ./BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValves.pipe 2>&1)