Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm.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_Nrpm,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm") translateModel(Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm") [/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 0.2579/0.2601, allocations: 80.84 MB / 0.6706 GB, free: 1.965 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm): time 0.8333/1.093, allocations: 323.4 MB / 0.9864 GB, free: 6.203 MB / 0.7481 GB Notification: Performance of NFInst.instExpressions: time 0.03518/1.129, allocations: 22.48 MB / 1.008 GB, free: 15.66 MB / 0.7794 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004758/1.134, allocations: 91.44 kB / 1.008 GB, free: 15.57 MB / 0.7794 GB Notification: Performance of NFTyping.typeComponents: time 0.004944/1.139, allocations: 1.471 MB / 1.01 GB, free: 14.09 MB / 0.7794 GB Notification: Performance of NFTyping.typeBindings: time 0.01204/1.151, allocations: 4.142 MB / 1.014 GB, free: 9.938 MB / 0.7794 GB Notification: Performance of NFTyping.typeClassSections: time 0.006985/1.158, allocations: 2.705 MB / 1.017 GB, free: 7.25 MB / 0.7794 GB Notification: Performance of NFFlatten.flatten: time 0.008848/1.166, allocations: 6.309 MB / 1.023 GB, free: 0.9297 MB / 0.7794 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003834/1.17, allocations: 2.191 MB / 1.025 GB, free: 14.69 MB / 0.795 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007419/1.178, allocations: 3.204 MB / 1.028 GB, free: 11.48 MB / 0.795 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004406/1.182, allocations: 2.22 MB / 1.03 GB, free: 9.258 MB / 0.795 GB Notification: Performance of NFPackage.collectConstants: time 0.0006477/1.183, allocations: 332 kB / 1.031 GB, free: 8.934 MB / 0.795 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007735/1.191, allocations: 3.618 MB / 1.034 GB, free: 5.309 MB / 0.795 GB Notification: Performance of NFScalarize.scalarize: time 0.0012/1.192, allocations: 1.025 MB / 1.035 GB, free: 4.281 MB / 0.795 GB Notification: Performance of NFVerifyModel.verify: time 0.00229/1.194, allocations: 1.595 MB / 1.037 GB, free: 2.68 MB / 0.795 GB Notification: Performance of NFConvertDAE.convert: time 0.01116/1.205, allocations: 6.11 MB / 1.043 GB, free: 12.55 MB / 0.8106 GB Notification: Performance of FrontEnd - DAE generated: time 6.913e-06/1.205, allocations: 7.938 kB / 1.043 GB, free: 12.54 MB / 0.8106 GB Notification: Performance of FrontEnd: time 2.244e-06/1.205, allocations: 0 / 1.043 GB, free: 12.54 MB / 0.8106 GB Notification: Performance of Transformations before backend: time 8.372e-05/1.205, allocations: 0 / 1.043 GB, free: 12.54 MB / 0.8106 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 0.00822/1.214, allocations: 3.719 MB / 1.046 GB, free: 8.742 MB / 0.8106 GB Notification: Performance of prepare preOptimizeDAE: time 5.635e-05/1.214, allocations: 8.031 kB / 1.046 GB, free: 8.734 MB / 0.8106 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005536/1.219, allocations: 0.8334 MB / 1.047 GB, free: 7.898 MB / 0.8106 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005628/1.225, allocations: 2.633 MB / 1.05 GB, free: 5.191 MB / 0.8106 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.967e-05/1.225, allocations: 118.8 kB / 1.05 GB, free: 5.074 MB / 0.8106 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002454/1.225, allocations: 152 kB / 1.05 GB, free: 4.926 MB / 0.8106 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003936/1.229, allocations: 1.879 MB / 1.052 GB, free: 2.98 MB / 0.8106 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.574e-05/1.229, allocations: 4 kB / 1.052 GB, free: 2.977 MB / 0.8106 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000144/1.229, allocations: 56 kB / 1.052 GB, free: 2.922 MB / 0.8106 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.221e-05/1.23, allocations: 50.73 kB / 1.052 GB, free: 2.871 MB / 0.8106 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003595/1.233, allocations: 1.478 MB / 1.053 GB, free: 1.387 MB / 0.8106 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 0.0107/1.244, allocations: 8.141 MB / 1.061 GB, free: 8.637 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003156/1.247, allocations: 1.058 MB / 1.062 GB, free: 7.566 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001163/1.248, allocations: 0.522 MB / 1.063 GB, free: 7.039 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 5.977e-05/1.248, allocations: 16.94 kB / 1.063 GB, free: 7.023 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.741e-05/1.248, allocations: 43.22 kB / 1.063 GB, free: 6.973 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=74): time 2.906e-06/1.248, allocations: 0 / 1.063 GB, free: 6.973 MB / 0.8262 GB Notification: Performance of matching and sorting (n=74): time 0.005469/1.254, allocations: 1.72 MB / 1.064 GB, free: 5.223 MB / 0.8262 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.993e-05/1.254, allocations: 60.06 kB / 1.065 GB, free: 5.152 MB / 0.8262 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002524/1.256, allocations: 1.922 MB / 1.066 GB, free: 3.199 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 0.0001309/1.257, allocations: 45.7 kB / 1.066 GB, free: 3.148 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008417/1.257, allocations: 1.04 MB / 1.067 GB, free: 2.098 MB / 0.8262 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002504/1.258, allocations: 273.6 kB / 1.068 GB, free: 1.828 MB / 0.8262 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004443/1.258, allocations: 266.5 kB / 1.068 GB, free: 1.559 MB / 0.8262 GB Notification: Performance of setup shared object (initialization): time 0.000132/1.258, allocations: 349.9 kB / 1.068 GB, free: 1.211 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001428/1.26, allocations: 0.7194 MB / 1.069 GB, free: 500 kB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.3747/1.634, allocations: 1.024 MB / 1.07 GB, free: 324.6 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003888/1.638, allocations: 1.597 MB / 1.072 GB, free: 324.3 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.909e-06/1.638, allocations: 5.562 kB / 1.072 GB, free: 324.3 MB / 0.8262 GB Notification: Performance of matching and sorting (n=143) (initialization): time 0.005214/1.644, allocations: 2.166 MB / 1.074 GB, free: 324.1 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001369/1.644, allocations: 114.7 kB / 1.074 GB, free: 324.1 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.971e-05/1.644, allocations: 5.25 kB / 1.074 GB, free: 324.1 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007111/1.644, allocations: 182 kB / 1.074 GB, free: 324 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002433/1.647, allocations: 370.3 kB / 1.074 GB, free: 324 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004036/1.651, allocations: 3.692 MB / 1.078 GB, free: 320.7 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002496/1.653, allocations: 172.8 kB / 1.078 GB, free: 320.7 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002527/1.654, allocations: 82.09 kB / 1.078 GB, free: 320.7 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002257/1.656, allocations: 1.06 MB / 1.079 GB, free: 320.2 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001504/1.657, allocations: 0.9192 MB / 1.08 GB, free: 319.6 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002587/1.66, allocations: 1.389 MB / 1.081 GB, free: 318.9 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.616e-06/1.66, allocations: 5.5 kB / 1.081 GB, free: 318.9 MB / 0.8262 GB Notification: Performance of matching and sorting (n=143) (initialization_lambda0): time 0.004736/1.665, allocations: 1.973 MB / 1.083 GB, free: 318.2 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 9.464e-05/1.665, allocations: 113.8 kB / 1.084 GB, free: 318.1 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.068e-05/1.665, allocations: 5.844 kB / 1.084 GB, free: 318.1 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007012/1.666, allocations: 208.2 kB / 1.084 GB, free: 318.1 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008787/1.667, allocations: 206 kB / 1.084 GB, free: 318 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005507/1.667, allocations: 0.7564 MB / 1.085 GB, free: 317.4 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001693/1.669, allocations: 122.5 kB / 1.085 GB, free: 317.4 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001527/1.669, allocations: 72.81 kB / 1.085 GB, free: 317.4 MB / 0.8262 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 0.0005013/1.67, allocations: 249.6 kB / 1.085 GB, free: 317.2 MB / 0.8262 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004833/1.67, allocations: 216 kB / 1.085 GB, free: 317.1 MB / 0.8262 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003519/1.674, allocations: 1.166 MB / 1.086 GB, free: 316.6 MB / 0.8262 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.612e-05/1.674, allocations: 8.641 kB / 1.086 GB, free: 316.6 MB / 0.8262 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.282e-06/1.674, allocations: 0 / 1.086 GB, free: 316.6 MB / 0.8262 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002739/1.676, allocations: 0.9849 MB / 1.087 GB, free: 316.2 MB / 0.8262 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007378/1.684, allocations: 2.596 MB / 1.09 GB, free: 315 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.711e-06/1.684, allocations: 1.156 kB / 1.09 GB, free: 315 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002272/1.686, allocations: 333.7 kB / 1.09 GB, free: 315 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004408/1.687, allocations: 109.2 kB / 1.09 GB, free: 315 MB / 0.8262 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.687e-05/1.687, allocations: 25.03 kB / 1.09 GB, free: 315 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003313/1.69, allocations: 3.622 MB / 1.094 GB, free: 311.5 MB / 0.8262 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.114e-06/1.69, allocations: 3.844 kB / 1.094 GB, free: 311.5 MB / 0.8262 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004548/1.695, allocations: 1.744 MB / 1.096 GB, free: 310.7 MB / 0.8262 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001066/1.696, allocations: 390.7 kB / 1.096 GB, free: 310.4 MB / 0.8262 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002543/1.696, allocations: 15.81 kB / 1.096 GB, free: 310.4 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001055/1.697, allocations: 62.7 kB / 1.096 GB, free: 310.4 MB / 0.8262 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001434/1.697, allocations: 48.56 kB / 1.096 GB, free: 310.4 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.683e-05/1.697, allocations: 38.06 kB / 1.096 GB, free: 310.4 MB / 0.8262 GB Notification: Performance of sorting global known variables: time 0.002091/1.699, allocations: 1.294 MB / 1.097 GB, free: 309.9 MB / 0.8262 GB Notification: Performance of sort global known variables: time 2.71e-07/1.699, allocations: 0 / 1.097 GB, free: 309.9 MB / 0.8262 GB Notification: Performance of remove unused functions: time 0.003145/1.702, allocations: 1.062 MB / 1.098 GB, free: 309.8 MB / 0.8262 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 0.0008715/1.703, allocations: 369.2 kB / 1.099 GB, free: 309.7 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.007216/1.711, allocations: 3.84 MB / 1.103 GB, free: 307.9 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 7.394e-06/1.711, allocations: 1.094 kB / 1.103 GB, free: 307.9 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.00308/1.714, allocations: 0.7284 MB / 1.103 GB, free: 307.7 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005046/1.719, allocations: 1.131 MB / 1.104 GB, free: 307.4 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005634/1.724, allocations: 3.729 MB / 1.108 GB, free: 305.5 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00087/1.725, allocations: 1.601 MB / 1.11 GB, free: 304.7 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.001899/1.727, allocations: 465 kB / 1.11 GB, free: 304.6 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003577/1.728, allocations: 157.1 kB / 1.11 GB, free: 304.6 MB / 0.8262 GB Notification: Performance of SimCode: time 7.41e-07/1.728, allocations: 0 / 1.11 GB, free: 304.6 MB / 0.8262 GB Notification: Performance of Templates: time 0.06567/1.793, allocations: 48.44 MB / 1.157 GB, free: 260.4 MB / 0.8262 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm.sim & ./Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.Movers.Validation.SpeedControlled_Nrpm.pipe 2>&1)