Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo)
Running command: "" <> buildModelFMU(Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Fluid_Movers_Validation_Pump_Nrpm_stratos",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Fluid_Movers_Validation_Pump_Nrpm_stratos",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.621/1.621, allocations: 288.2 MB / 303.2 MB, free: 8.176 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009944/0.0009945, allocations: 183.7 kB / 371.8 MB, free: 10.28 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.53/1.53, allocations: 205.4 MB / 0.6305 GB, free: 10.02 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009441/0.0009439, allocations: 102.8 kB / 0.7439 GB, free: 5.949 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004459/0.000446, allocations: 12.38 kB / 0.8668 GB, free: 142 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2457/0.2461, allocations: 115.3 MB / 0.9795 GB, free: 27.62 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos): time 0.7973/1.044, allocations: 174 MB / 1.149 GB, free: 9.906 MB / 0.698 GB
Notification: Performance of NFInst.instExpressions: time 0.1131/1.157, allocations: 60.8 MB / 1.209 GB, free: 10.96 MB / 0.7448 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01924/1.176, allocations: 275.1 kB / 1.209 GB, free: 10.83 MB / 0.7448 GB
Notification: Performance of NFTyping.typeComponents: time 0.01816/1.194, allocations: 3.84 MB / 1.213 GB, free: 7.609 MB / 0.7448 GB
Notification: Performance of NFTyping.typeBindings: time 0.04611/1.24, allocations: 10.18 MB / 1.223 GB, free: 14.5 MB / 0.7605 GB
Notification: Performance of NFTyping.typeClassSections: time 0.03968/1.28, allocations: 9.955 MB / 1.232 GB, free: 4.617 MB / 0.7605 GB
Notification: Performance of NFFlatten.flatten: time 0.0402/1.32, allocations: 13.43 MB / 1.246 GB, free: 7.164 MB / 0.7761 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01947/1.34, allocations: 6.128 MB / 1.252 GB, free: 0.9648 MB / 0.7761 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.02243/1.362, allocations: 6.376 MB / 1.258 GB, free: 10.57 MB / 0.7917 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.01238/1.375, allocations: 4.535 MB / 1.262 GB, free: 6.012 MB / 0.7917 GB
Notification: Performance of NFPackage.collectConstants: time 0.004258/1.379, allocations: 388 kB / 1.263 GB, free: 5.633 MB / 0.7917 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01509/1.394, allocations: 2.579 MB / 1.265 GB, free: 3.051 MB / 0.7917 GB
Notification: Performance of NFScalarize.scalarize: time 0.008642/1.403, allocations: 2.94 MB / 1.268 GB, free: 104 kB / 0.7917 GB
Notification: Performance of NFVerifyModel.verify: time 0.006992/1.41, allocations: 2.222 MB / 1.27 GB, free: 13.86 MB / 0.8073 GB
Notification: Performance of NFConvertDAE.convert: time 0.02617/1.436, allocations: 13.01 MB / 1.283 GB, free: 0.8242 MB / 0.8073 GB
Notification: Performance of FrontEnd - DAE generated: time 4.458e-06/1.436, allocations: 0 / 1.283 GB, free: 0.8242 MB / 0.8073 GB
Notification: Performance of FrontEnd: time 3.677e-06/1.436, allocations: 0 / 1.283 GB, free: 0.8242 MB / 0.8073 GB
Notification: Performance of Transformations before backend: time 0.0007954/1.437, allocations: 0 / 1.283 GB, free: 0.8242 MB / 0.8073 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1234
 * Number of variables: 1234
Notification: Performance of Generate backend data structure: time 0.03369/1.471, allocations: 11.37 MB / 1.294 GB, free: 5.344 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 4.996e-05/1.471, allocations: 8.031 kB / 1.294 GB, free: 5.336 MB / 0.823 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002354/1.473, allocations: 0.6344 MB / 1.295 GB, free: 4.691 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01803/1.491, allocations: 3.232 MB / 1.298 GB, free: 1.441 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.03571/1.527, allocations: 16.38 MB / 1.314 GB, free: 0.9766 MB / 0.8386 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.003749/1.531, allocations: 1.069 MB / 1.315 GB, free: 15.9 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.003303/1.534, allocations: 0.5585 MB / 1.315 GB, free: 15.34 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02306/1.557, allocations: 7.299 MB / 1.322 GB, free: 7.746 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001706/1.557, allocations: 3.938 kB / 1.322 GB, free: 7.742 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008338/1.558, allocations: 215.9 kB / 1.323 GB, free: 7.531 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.965e-05/1.558, allocations: 116 kB / 1.323 GB, free: 7.418 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02008/1.578, allocations: 5.966 MB / 1.329 GB, free: 1.438 MB / 0.8542 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 0.08125/1.66, allocations: 32 MB / 1.36 GB, free: 15.82 MB / 0.9011 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01864/1.678, allocations: 5.182 MB / 1.365 GB, free: 10.62 MB / 0.9011 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.03085/1.709, allocations: 10.41 MB / 1.375 GB, free: 15.54 MB / 0.9167 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001013/1.709, allocations: 64.56 kB / 1.375 GB, free: 15.47 MB / 0.9167 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.006745/1.716, allocations: 0.628 MB / 1.376 GB, free: 14.84 MB / 0.9167 GB
Notification: Performance of pre-optimization done (n=247): time 1.55e-05/1.716, allocations: 0 / 1.376 GB, free: 14.84 MB / 0.9167 GB
Notification: Performance of matching and sorting (n=247): time 0.03045/1.747, allocations: 7.472 MB / 1.383 GB, free: 7.344 MB / 0.9167 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0004875/1.747, allocations: 0.8442 MB / 1.384 GB, free: 6.305 MB / 0.9167 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03372/1.781, allocations: 14.29 MB / 1.398 GB, free: 8.043 MB / 0.9323 GB
Notification: Performance of collectPreVariables (initialization): time 0.001739/1.783, allocations: 113.7 kB / 1.398 GB, free: 7.926 MB / 0.9323 GB
Notification: Performance of collectInitialEqns (initialization): time 0.008011/1.791, allocations: 5.019 MB / 1.403 GB, free: 2.883 MB / 0.9323 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002301/1.793, allocations: 0.8664 MB / 1.404 GB, free: 2.004 MB / 0.9323 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001471/1.795, allocations: 95.98 kB / 1.404 GB, free: 1.91 MB / 0.9323 GB
Notification: Performance of setup shared object (initialization): time 0.0006486/1.795, allocations: 0.4935 MB / 1.404 GB, free: 1.41 MB / 0.9323 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.009699/1.805, allocations: 3.008 MB / 1.407 GB, free: 14.39 MB / 0.948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01242/1.818, allocations: 5.243 MB / 1.412 GB, free: 8.094 MB / 0.948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01105/1.829, allocations: 3.417 MB / 1.416 GB, free: 4.664 MB / 0.948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.179e-05/1.829, allocations: 16 kB / 1.416 GB, free: 4.648 MB / 0.948 GB
Notification: Performance of matching and sorting (n=662) (initialization): time 0.03044/1.859, allocations: 8.849 MB / 1.424 GB, free: 11.76 MB / 0.9636 GB
Notification: Performance of prepare postOptimizeDAE: time 1.051/2.911, allocations: 35.1 MB / 1.459 GB, free: 313.6 MB / 0.9637 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0003188/2.911, allocations: 77.59 kB / 1.459 GB, free: 313.6 MB / 0.9637 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0002093/2.911, allocations: 93.41 kB / 1.459 GB, free: 313.6 MB / 0.9637 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008349/2.92, allocations: 1.553 MB / 1.46 GB, free: 313.6 MB / 0.9637 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002088/2.92, allocations: 125.9 kB / 1.46 GB, free: 313.6 MB / 0.9637 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01172/2.932, allocations: 0.7244 MB / 1.461 GB, free: 313.6 MB / 0.9637 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002427/2.934, allocations: 429.6 kB / 1.461 GB, free: 313.6 MB / 0.9637 GB
Notification: Performance of prepare postOptimizeDAE: time 2.176e-05/2.934, allocations: 4.312 kB / 1.461 GB, free: 313.6 MB / 0.9637 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.02572/2.96, allocations: 8.234 MB / 1.47 GB, free: 311.7 MB / 0.9637 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0004029/2.96, allocations: 74.47 kB / 1.47 GB, free: 311.7 MB / 0.9637 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0001606/2.961, allocations: 93 kB / 1.47 GB, free: 311.7 MB / 0.9637 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006831/2.967, allocations: 1.399 MB / 1.471 GB, free: 311.6 MB / 0.9637 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002201/2.968, allocations: 121.5 kB / 1.471 GB, free: 311.6 MB / 0.9637 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01033/2.978, allocations: 0.6362 MB / 1.472 GB, free: 311.5 MB / 0.9637 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002084/2.98, allocations: 371.2 kB / 1.472 GB, free: 311.4 MB / 0.9637 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 266
 * 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 (587):
 * Single equations (assignments): 557
 * Array equations: 20
 * Algorithm blocks: 0
 * Record equations: 10
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.007977/2.988, allocations: 2.317 MB / 1.474 GB, free: 310.2 MB / 0.9637 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003265/2.991, allocations: 0.9403 MB / 1.475 GB, free: 310.2 MB / 0.9637 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02435/3.016, allocations: 6.827 MB / 1.482 GB, free: 308.2 MB / 0.9637 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.537e-05/3.016, allocations: 39.36 kB / 1.482 GB, free: 308.2 MB / 0.9637 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.49e-05/3.016, allocations: 0.75 kB / 1.482 GB, free: 308.2 MB / 0.9637 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.511e-05/3.016, allocations: 21.58 kB / 1.482 GB, free: 308.2 MB / 0.9637 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 postOpt removeSimpleEquations (simulation): time 0.0444/3.06, allocations: 13.73 MB / 1.495 GB, free: 302.9 MB / 0.9637 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.655e-05/3.06, allocations: 2.156 kB / 1.495 GB, free: 302.9 MB / 0.9637 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.005295/3.066, allocations: 0.9222 MB / 1.496 GB, free: 302.8 MB / 0.9637 GB
Notification: Performance of postOpt tearingSystem (simulation): time 6.832e-05/3.066, allocations: 11.16 kB / 1.496 GB, free: 302.8 MB / 0.9637 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000709/3.067, allocations: 125.4 kB / 1.496 GB, free: 302.8 MB / 0.9637 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.516e-05/3.067, allocations: 11.34 kB / 1.496 GB, free: 302.8 MB / 0.9637 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.619e-06/3.067, allocations: 1.406 kB / 1.496 GB, free: 302.8 MB / 0.9637 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02805/3.095, allocations: 9.195 MB / 1.505 GB, free: 299.5 MB / 0.9637 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.007525/3.102, allocations: 1.674 MB / 1.507 GB, free: 298.4 MB / 0.9637 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003905/3.106, allocations: 75.72 kB / 1.507 GB, free: 298.4 MB / 0.9637 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.009516/3.116, allocations: 0.6775 MB / 1.508 GB, free: 298.3 MB / 0.9637 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008467/3.117, allocations: 201.8 kB / 1.508 GB, free: 298.3 MB / 0.9637 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001018/3.118, allocations: 181.5 kB / 1.508 GB, free: 298.2 MB / 0.9637 GB
Notification: Performance of sorting global known variables: time 0.02161/3.139, allocations: 10.12 MB / 1.518 GB, free: 293.5 MB / 0.9637 GB
Notification: Performance of sort global known variables: time 8.71e-07/3.139, allocations: 0 / 1.518 GB, free: 293.5 MB / 0.9637 GB
Notification: Performance of remove unused functions: time 0.02221/3.162, allocations: 4.127 MB / 1.522 GB, free: 292.9 MB / 0.9637 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 20 (pump1.filter.x[1],pump1.filter.x[2],pump2.filter.x[1],pump2.filter.x[2],pump3.filter.x[1],pump3.filter.x[2],pump4.filter.x[1],pump4.filter.x[2],pump5.filter.x[1],pump5.filter.x[2],forcedPump1.filter.x[1],forcedPump1.filter.x[2],forcedPump2.filter.x[1],forcedPump2.filter.x[2],forcedPump3.filter.x[1],forcedPump3.filter.x[2],forcedPump4.filter.x[1],forcedPump4.filter.x[2],forcedPump5.filter.x[1],forcedPump5.filter.x[2])
 * 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 (304):
 * Single equations (assignments): 282
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 22
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of Backend phase and start with SimCode phase: time 0.03049/3.192, allocations: 10.98 MB / 1.533 GB, free: 282.2 MB / 0.9637 GB
Notification: Performance of simCode: created initialization part: time 0.02825/3.22, allocations: 11.4 MB / 1.544 GB, free: 270.7 MB / 0.9637 GB
Notification: Performance of simCode: created event and clocks part: time 1.286e-05/3.221, allocations: 64 / 1.544 GB, free: 270.7 MB / 0.9637 GB
Notification: Performance of simCode: created simulation system equations: time 0.007421/3.228, allocations: 2.637 MB / 1.547 GB, free: 268 MB / 0.9637 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02184/3.25, allocations: 4.701 MB / 1.551 GB, free: 263.5 MB / 0.9637 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.07341/3.323, allocations: 65.9 MB / 1.615 GB, free: 195.9 MB / 0.9637 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01045/3.334, allocations: 5.245 MB / 1.621 GB, free: 190.6 MB / 0.9637 GB
Notification: Performance of simCode: alias equations: time 0.02022/3.354, allocations: 2.771 MB / 1.623 GB, free: 187.8 MB / 0.9637 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01145/3.366, allocations: 4.896 MB / 1.628 GB, free: 182.9 MB / 0.9637 GB
Notification: Performance of SimCode: time 1.573e-06/3.366, allocations: 0 / 1.628 GB, free: 182.9 MB / 0.9637 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.9363/4.302, allocations: 272.3 MB / 1.894 GB, free: 283.2 MB / 0.9637 GB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002011/4.302, allocations: 241.9 kB / 1.894 GB, free: 282.9 MB / 0.9637 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.48/21.78, allocations: 0 / 1.894 GB, free: 282.9 MB / 0.9637 GB
(rm -f Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.pipe ; mkfifo Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.pipe ; head -c 1048576 < Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.pipe >> ../files/Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator  --tempDir=temp_Buildings_maint_8_0_x_Buildings_Fluid_Movers_Validation_Pump_Nrpm_stratos_fmu --startTime=0 --stopTime=1000 --timeout=50 --tolerance=1e-08 Buildings_maint_8_0_x_Buildings_Fluid_Movers_Validation_Pump_Nrpm_stratos.fmu > Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.Pump_Nrpm_stratos.pipe 2>&1)