Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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/Buildings 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y") translateModel(Buildings.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:
SCode: time 0.3723/0.3744, allocations: 80.82 MB / 0.5904 GB, free: 22.28 MB / 446.1 MB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.SpeedControlled_y): time 0.6315/1.006, allocations: 323.4 MB / 0.9062 GB, free: 4.812 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.03414/1.04, allocations: 22.49 MB / 0.9282 GB, free: 14.26 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00352/1.044, allocations: 87.5 kB / 0.9282 GB, free: 14.17 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.004139/1.048, allocations: 1.476 MB / 0.9297 GB, free: 12.69 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.01147/1.059, allocations: 4.128 MB / 0.9337 GB, free: 8.543 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.007367/1.067, allocations: 2.714 MB / 0.9364 GB, free: 5.852 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.009587/1.076, allocations: 6.32 MB / 0.9425 GB, free: 15.52 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004401/1.081, allocations: 2.193 MB / 0.9447 GB, free: 13.27 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007451/1.088, allocations: 3.188 MB / 0.9478 GB, free: 10.07 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005316/1.094, allocations: 2.211 MB / 0.9499 GB, free: 7.859 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.001566/1.095, allocations: 332 kB / 0.9503 GB, free: 7.535 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.009148/1.104, allocations: 3.614 MB / 0.9538 GB, free: 3.914 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.001941/1.106, allocations: 1.029 MB / 0.9548 GB, free: 2.883 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.004138/1.111, allocations: 1.599 MB / 0.9564 GB, free: 1.277 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.01315/1.124, allocations: 6.035 MB / 0.9623 GB, free: 11.23 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 8.356e-06/1.124, allocations: 0 / 0.9623 GB, free: 11.23 MB / 0.6856 GB Notification: Performance of FrontEnd: time 2.785e-06/1.124, allocations: 0 / 0.9623 GB, free: 11.23 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 0.000191/1.124, allocations: 0 / 0.9623 GB, free: 11.23 MB / 0.6856 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 360 * Number of variables: 360 Notification: Performance of Generate backend data structure: time 0.01115/1.135, allocations: 3.622 MB / 0.9658 GB, free: 7.527 MB / 0.6856 GB Notification: Performance of prepare preOptimizeDAE: time 4.605e-05/1.135, allocations: 12.03 kB / 0.9658 GB, free: 7.516 MB / 0.6856 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00601/1.141, allocations: 0.8241 MB / 0.9666 GB, free: 6.688 MB / 0.6856 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006759/1.148, allocations: 2.541 MB / 0.9691 GB, free: 4.07 MB / 0.6856 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002208/1.148, allocations: 118.8 kB / 0.9692 GB, free: 3.953 MB / 0.6856 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007651/1.149, allocations: 152 kB / 0.9693 GB, free: 3.805 MB / 0.6856 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00629/1.155, allocations: 1.867 MB / 0.9712 GB, free: 1.871 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.801e-05/1.156, allocations: 15.92 kB / 0.9712 GB, free: 1.855 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002279/1.156, allocations: 63.98 kB / 0.9712 GB, free: 1.793 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.12e-05/1.156, allocations: 50.73 kB / 0.9713 GB, free: 1.742 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004054/1.16, allocations: 1.478 MB / 0.9727 GB, free: 264 kB / 0.6856 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 0.01424/1.174, allocations: 8.205 MB / 0.9808 GB, free: 7.441 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00351/1.178, allocations: 1.039 MB / 0.9818 GB, free: 6.395 MB / 0.7012 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001309/1.179, allocations: 0.5102 MB / 0.9823 GB, free: 5.879 MB / 0.7012 GB Notification: Performance of preOpt evalFunc (simulation): time 6.65e-05/1.179, allocations: 20.94 kB / 0.9823 GB, free: 5.859 MB / 0.7012 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.575e-05/1.179, allocations: 39.22 kB / 0.9823 GB, free: 5.809 MB / 0.7012 GB Notification: Performance of pre-optimization done (n=74): time 3.697e-06/1.179, allocations: 4 kB / 0.9823 GB, free: 5.805 MB / 0.7012 GB Notification: Performance of matching and sorting (n=74): time 0.006099/1.185, allocations: 1.707 MB / 0.984 GB, free: 4.07 MB / 0.7012 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.621e-05/1.185, allocations: 64 kB / 0.9841 GB, free: 3.996 MB / 0.7012 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003654/1.189, allocations: 1.91 MB / 0.9859 GB, free: 2.055 MB / 0.7012 GB Notification: Performance of collectPreVariables (initialization): time 0.0003094/1.189, allocations: 45.7 kB / 0.986 GB, free: 2.004 MB / 0.7012 GB Notification: Performance of collectInitialEqns (initialization): time 0.001136/1.191, allocations: 1.031 MB / 0.987 GB, free: 0.9609 MB / 0.7012 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003901/1.191, allocations: 256.2 kB / 0.9872 GB, free: 0.707 MB / 0.7012 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000651/1.192, allocations: 270.4 kB / 0.9875 GB, free: 444 kB / 0.7012 GB Notification: Performance of setup shared object (initialization): time 0.0001728/1.192, allocations: 353.9 kB / 0.9878 GB, free: 84 kB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001585/1.193, allocations: 0.7156 MB / 0.9885 GB, free: 15.37 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00177/1.195, allocations: 1.028 MB / 0.9895 GB, free: 14.21 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003075/1.198, allocations: 1.602 MB / 0.9911 GB, free: 12.51 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.837e-06/1.198, allocations: 4 kB / 0.9911 GB, free: 12.5 MB / 0.7169 GB Notification: Performance of matching and sorting (n=143) (initialization): time 0.004669/1.203, allocations: 2.155 MB / 0.9932 GB, free: 10.33 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001293/1.203, allocations: 111.4 kB / 0.9933 GB, free: 10.21 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.786e-05/1.203, allocations: 8 kB / 0.9933 GB, free: 10.2 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000627/1.204, allocations: 188.7 kB / 0.9935 GB, free: 10.01 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002313/1.206, allocations: 371.4 kB / 0.9938 GB, free: 9.648 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004488/1.211, allocations: 3.682 MB / 0.9974 GB, free: 5.664 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002004/1.213, allocations: 170.5 kB / 0.9976 GB, free: 5.496 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002976/1.213, allocations: 84.03 kB / 0.9977 GB, free: 5.414 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002041/1.215, allocations: 1.054 MB / 0.9987 GB, free: 4.355 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001347/1.216, allocations: 0.9261 MB / 0.9996 GB, free: 3.305 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002211/1.219, allocations: 1.387 MB / 1.001 GB, free: 1.82 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.108e-06/1.219, allocations: 4 kB / 1.001 GB, free: 1.816 MB / 0.7169 GB Notification: Performance of matching and sorting (n=143) (initialization_lambda0): time 0.003898/1.223, allocations: 1.963 MB / 1.003 GB, free: 15.83 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001102/1.223, allocations: 111.4 kB / 1.003 GB, free: 15.71 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.227e-05/1.223, allocations: 15.97 kB / 1.003 GB, free: 15.69 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000681/1.223, allocations: 197.1 kB / 1.003 GB, free: 15.5 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008662/1.224, allocations: 203.7 kB / 1.003 GB, free: 15.3 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006432/1.225, allocations: 0.767 MB / 1.004 GB, free: 14.5 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001669/1.227, allocations: 119.1 kB / 1.004 GB, free: 14.39 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001369/1.227, allocations: 79.91 kB / 1.004 GB, free: 14.31 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 26 * 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 (102): * Single equations (assignments): 97 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 1 * 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): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems 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 {(1,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0004307/1.227, allocations: 244.1 kB / 1.005 GB, free: 14.06 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004153/1.228, allocations: 201.5 kB / 1.005 GB, free: 13.86 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003301/1.231, allocations: 1.167 MB / 1.006 GB, free: 12.69 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.22e-05/1.231, allocations: 7.984 kB / 1.006 GB, free: 12.68 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.779e-06/1.231, allocations: 7.938 kB / 1.006 GB, free: 12.67 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002214/1.233, allocations: 0.9772 MB / 1.007 GB, free: 11.66 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005053/1.238, allocations: 2.596 MB / 1.009 GB, free: 8.996 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.09e-06/1.238, allocations: 0 / 1.009 GB, free: 8.996 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002197/1.24, allocations: 339.5 kB / 1.01 GB, free: 8.664 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004271/1.241, allocations: 108.9 kB / 1.01 GB, free: 8.555 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.771e-05/1.241, allocations: 23.98 kB / 1.01 GB, free: 8.531 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004094/1.245, allocations: 3.623 MB / 1.013 GB, free: 4.609 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.663e-06/1.245, allocations: 4.031 kB / 1.013 GB, free: 4.605 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004008/1.249, allocations: 1.734 MB / 1.015 GB, free: 2.844 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00099/1.25, allocations: 374.3 kB / 1.015 GB, free: 2.457 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002104/1.25, allocations: 16 kB / 1.015 GB, free: 2.441 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001043/1.251, allocations: 59.78 kB / 1.016 GB, free: 2.383 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001414/1.252, allocations: 52.53 kB / 1.016 GB, free: 2.332 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.855e-05/1.252, allocations: 39.97 kB / 1.016 GB, free: 2.293 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001868/1.254, allocations: 1.296 MB / 1.017 GB, free: 0.9805 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.1e-07/1.254, allocations: 0 / 1.017 GB, free: 0.9805 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.002813/1.256, allocations: 1.041 MB / 1.018 GB, free: 15.93 MB / 0.7481 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 3 (floMacDyn.vol.dynBal.U,floMacDyn.vol.dynBal.m,floMacDyn.vol.dynBal.mXi[1]) * 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 (69): * Single equations (assignments): 66 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 1 * 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): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems 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 {(1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0009166/1.257, allocations: 380.2 kB / 1.018 GB, free: 15.57 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.007708/1.265, allocations: 3.906 MB / 1.022 GB, free: 11.62 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 7.575e-06/1.265, allocations: 0 / 1.022 GB, free: 11.62 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.003268/1.268, allocations: 0.7263 MB / 1.023 GB, free: 10.89 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004886/1.273, allocations: 1.129 MB / 1.024 GB, free: 9.828 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006431/1.28, allocations: 3.709 MB / 1.027 GB, free: 6.082 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001212/1.281, allocations: 1.601 MB / 1.029 GB, free: 4.449 MB / 0.7481 GB Notification: Performance of simCode: alias equations: time 0.00222/1.283, allocations: 465 kB / 1.029 GB, free: 3.992 MB / 0.7481 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003865/1.284, allocations: 155.4 kB / 1.03 GB, free: 3.84 MB / 0.7481 GB Notification: Performance of SimCode: time 6.11e-07/1.284, allocations: 0 / 1.03 GB, free: 3.84 MB / 0.7481 GB Notification: Performance of Templates: time 0.3148/1.598, allocations: 48.25 MB / 1.077 GB, free: 292.9 MB / 0.7481 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.sim & ./Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe 2>&1)