Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.2_ModelicaTest.Blocks.Continuous_InitialOutput.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+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 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(ModelicaTest.Blocks.Continuous_InitialOutput,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.2_ModelicaTest.Blocks.Continuous_InitialOutput") translateModel(ModelicaTest.Blocks.Continuous_InitialOutput,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ModelicaTest_3.2.2_ModelicaTest.Blocks.Continuous_InitialOutput") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.01066/0.01066, allocations: 100.5 kB / 15.73 MB, free: 6.457 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002315/0.002315, allocations: 188.4 kB / 16.67 MB, free: 6.367 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.654/1.654, allocations: 205.1 MB / 222.5 MB, free: 4.535 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.2+maint.om/package.mo): time 0.3533/0.3533, allocations: 39.95 MB / 309.8 MB, free: 9.34 MB / 254.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: ModelicaTest requested package Modelica of version 3.2.2. Modelica 3.2.3 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001551/0.001551, allocations: 71.89 kB / 435.8 MB, free: 2.473 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3717/0.3733, allocations: 56.87 MB / 492.7 MB, free: 19.41 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Blocks.Continuous_InitialOutput): time 0.004559/0.3779, allocations: 3.401 MB / 496.1 MB, free: 16.99 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.003744/0.3817, allocations: 1.583 MB / 497.6 MB, free: 15.89 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005343/0.3823, allocations: 23.09 kB / 497.7 MB, free: 15.88 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0005397/0.3828, allocations: 146.3 kB / 497.8 MB, free: 15.79 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0004988/0.3834, allocations: 197.6 kB / 498 MB, free: 15.66 MB / 382.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Math/package.mo:1555:3-1615:27:writable] Warning: Pure function 'Modelica.Math.Matrices.equalityLeastSquares' contains a call to impure function 'Modelica.Math.Matrices.LAPACK.dgglse_vec'. Notification: Performance of NFTyping.typeClassSections: time 0.001407/0.3848, allocations: 0.5221 MB / 498.5 MB, free: 15.39 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.001376/0.3862, allocations: 0.9585 MB / 499.5 MB, free: 14.95 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0004171/0.3866, allocations: 234.8 kB / 499.7 MB, free: 14.82 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0004835/0.3871, allocations: 378.8 kB / 0.4884 GB, free: 14.64 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0004793/0.3876, allocations: 407.7 kB / 0.4887 GB, free: 14.45 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001044/0.3877, allocations: 62.34 kB / 0.4888 GB, free: 14.45 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0002782/0.388, allocations: 190.7 kB / 0.489 GB, free: 14.41 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001905/0.3882, allocations: 195 kB / 0.4892 GB, free: 14.3 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002683/0.3884, allocations: 345.2 kB / 0.4895 GB, free: 14.05 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001103/0.3896, allocations: 0.91 MB / 0.4904 GB, free: 13.67 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.451e-06/0.3896, allocations: 1.188 kB / 0.4904 GB, free: 13.67 MB / 382.1 MB Notification: Performance of FrontEnd: time 1.523e-06/0.3896, allocations: 0 / 0.4904 GB, free: 13.67 MB / 382.1 MB Notification: Performance of Transformations before backend: time 1.336e-05/0.3896, allocations: 0 / 0.4904 GB, free: 13.67 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 110 * Number of variables: 110 Notification: Performance of Generate backend data structure: time 0.002415/0.392, allocations: 1.17 MB / 0.4915 GB, free: 12.89 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.705e-05/0.3921, allocations: 12.64 kB / 0.4915 GB, free: 12.89 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001558/0.3922, allocations: 91.72 kB / 0.4916 GB, free: 12.84 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001019/0.3933, allocations: 0.5972 MB / 0.4922 GB, free: 12.44 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.477e-05/0.3933, allocations: 38 kB / 0.4923 GB, free: 12.42 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001061/0.3934, allocations: 63.47 kB / 0.4923 GB, free: 12.39 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001195/0.3946, allocations: 0.6076 MB / 0.4929 GB, free: 12.07 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.756e-05/0.3947, allocations: 5.578 kB / 0.4929 GB, free: 12.07 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.376e-05/0.3947, allocations: 17.34 kB / 0.4929 GB, free: 12.06 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.907e-05/0.3947, allocations: 11.91 kB / 0.4929 GB, free: 12.06 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001084/0.3958, allocations: 464.7 kB / 0.4934 GB, free: 11.86 MB / 382.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003871/0.3997, allocations: 2.65 MB / 0.496 GB, free: 9.652 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00121/0.401, allocations: 0.5007 MB / 0.4965 GB, free: 9.375 MB / 382.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006399/0.4016, allocations: 260.7 kB / 0.4967 GB, free: 9.242 MB / 382.1 MB Notification: Performance of preOpt evalFunc (simulation): time 7.781e-05/0.4017, allocations: 13.73 kB / 0.4967 GB, free: 9.234 MB / 382.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.051e-05/0.4017, allocations: 41.55 kB / 0.4968 GB, free: 9.188 MB / 382.1 MB Notification: Performance of pre-optimization done (n=45): time 3.857e-06/0.4018, allocations: 0 / 0.4968 GB, free: 9.188 MB / 382.1 MB Notification: Performance of matching and sorting (n=46): time 0.002617/0.4044, allocations: 1.134 MB / 0.4979 GB, free: 8.559 MB / 382.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.181e-05/0.4045, allocations: 142.2 kB / 0.498 GB, free: 8.395 MB / 382.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009066/0.4054, allocations: 0.6584 MB / 0.4986 GB, free: 8.016 MB / 382.1 MB Notification: Performance of collectPreVariables (initialization): time 4.46e-05/0.4054, allocations: 37.05 kB / 0.4987 GB, free: 7.977 MB / 382.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002465/0.4057, allocations: 357.1 kB / 0.499 GB, free: 7.664 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.000146/0.4058, allocations: 186.9 kB / 0.4992 GB, free: 7.5 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002047/0.406, allocations: 115.7 kB / 0.4993 GB, free: 7.43 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 7.842e-05/0.4061, allocations: 332.6 kB / 0.4996 GB, free: 7.105 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006676/0.4068, allocations: 288 kB / 0.4999 GB, free: 6.973 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007614/0.4076, allocations: 437.7 kB / 0.5003 GB, free: 6.652 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001513/0.4091, allocations: 0.7155 MB / 0.501 GB, free: 6.199 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.11e-06/0.4091, allocations: 5.562 kB / 0.501 GB, free: 6.195 MB / 382.1 MB Notification: Performance of matching and sorting (n=79) (initialization): time 0.001753/0.4109, allocations: 0.821 MB / 0.5018 GB, free: 5.801 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.713e-05/0.4109, allocations: 8.469 kB / 0.5018 GB, free: 5.801 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.438e-05/0.4109, allocations: 5.469 kB / 0.5018 GB, free: 5.801 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.979e-05/0.411, allocations: 11.94 kB / 0.5018 GB, free: 5.797 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009038/0.4119, allocations: 198.1 kB / 0.502 GB, free: 5.746 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.883e-05/0.4119, allocations: 12.16 kB / 0.502 GB, free: 5.742 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005221/0.4124, allocations: 88.8 kB / 0.5021 GB, free: 5.688 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.444e-05/0.4125, allocations: 23.44 kB / 0.5022 GB, free: 5.684 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007902/0.4133, allocations: 423 kB / 0.5026 GB, free: 5.445 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000717/0.414, allocations: 426.2 kB / 0.503 GB, free: 5.129 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001211/0.4152, allocations: 0.7 MB / 0.5037 GB, free: 4.68 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.667e-06/0.4153, allocations: 1.312 kB / 0.5037 GB, free: 4.68 MB / 382.1 MB Notification: Performance of matching and sorting (n=79) (initialization_lambda0): time 0.001488/0.4168, allocations: 0.7969 MB / 0.5044 GB, free: 4.297 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.788e-05/0.4168, allocations: 7.25 kB / 0.5044 GB, free: 4.297 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.478e-06/0.4168, allocations: 9.219 kB / 0.5044 GB, free: 4.293 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.505e-05/0.4168, allocations: 15.53 kB / 0.5045 GB, free: 4.285 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008308/0.4177, allocations: 192 kB / 0.5046 GB, free: 4.238 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.457e-05/0.4177, allocations: 7.844 kB / 0.5047 GB, free: 4.238 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004858/0.4182, allocations: 76.2 kB / 0.5047 GB, free: 4.195 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.301e-05/0.4182, allocations: 31.39 kB / 0.5048 GB, free: 4.184 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 20 * Number of states: 0 () * Number of discrete variables: 4 (limPID.I.local_reset,pID.I.local_reset,limIntegrator.local_reset,integrator.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (78): * Single equations (assignments): 77 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001757/0.4184, allocations: 217.7 kB / 0.505 GB, free: 3.973 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001552/0.4186, allocations: 74.5 kB / 0.505 GB, free: 3.934 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001776/0.4188, allocations: 93.77 kB / 0.5051 GB, free: 3.859 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.744e-06/0.4188, allocations: 4.781 kB / 0.5051 GB, free: 3.859 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.38e-05/0.4188, allocations: 5.125 kB / 0.5051 GB, free: 3.855 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.345e-06/0.4188, allocations: 5.203 kB / 0.5051 GB, free: 3.852 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001903/0.4207, allocations: 1.257 MB / 0.5064 GB, free: 2.926 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.308e-06/0.4207, allocations: 5.125 kB / 0.5064 GB, free: 2.922 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006149/0.4214, allocations: 108.9 kB / 0.5065 GB, free: 2.895 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 3.737e-06/0.4214, allocations: 0 / 0.5065 GB, free: 2.895 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.484e-05/0.4214, allocations: 19.08 kB / 0.5065 GB, free: 2.883 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.917e-06/0.4214, allocations: 3.562 kB / 0.5065 GB, free: 2.883 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.395e-06/0.4214, allocations: 3.531 kB / 0.5065 GB, free: 2.883 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001914/0.4234, allocations: 1.165 MB / 0.5076 GB, free: 2.16 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002475/0.4236, allocations: 198 kB / 0.5078 GB, free: 1.98 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.294e-05/0.4237, allocations: 17.44 kB / 0.5078 GB, free: 1.969 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000519/0.4242, allocations: 47.44 kB / 0.5079 GB, free: 1.949 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001104/0.4243, allocations: 36.45 kB / 0.5079 GB, free: 1.93 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.029e-05/0.4244, allocations: 17.61 kB / 0.5079 GB, free: 1.922 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0006/0.425, allocations: 466.2 kB / 0.5084 GB, free: 1.664 MB / 382.1 MB Notification: Performance of sort global known variables: time 3e-07/0.425, allocations: 0 / 0.5084 GB, free: 1.664 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.001036/0.426, allocations: 223.6 kB / 0.5086 GB, free: 1.633 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 18 (limPID.I.y,limPID.D.x,transferFunction.x_scaled[1],stateSpace.x[1],stateSpace.x[2],lowpassButterworth.x1[1],lowpassButterworth.x2[1],criticalDamping.x[1],criticalDamping.x[2],integrator.y,limIntegrator.y,derivative.x,firstOrder.y,secondOrder.y,secondOrder.yd,pI.x,pID.I.y,pID.D.x) * 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 (46): * Single equations (assignments): 46 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0003211/0.4264, allocations: 150.4 kB / 0.5087 GB, free: 1.504 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.002341/0.4287, allocations: 0.9866 MB / 0.5097 GB, free: 1.094 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 3.096e-06/0.4287, allocations: 4.062 kB / 0.5097 GB, free: 1.09 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0006693/0.4294, allocations: 290.9 kB / 0.51 GB, free: 0.9688 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001155/0.4306, allocations: 196.3 kB / 0.5102 GB, free: 0.8633 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002433/0.433, allocations: 1.496 MB / 0.5116 GB, free: 15.92 MB / 398.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005909/0.4336, allocations: 0.9528 MB / 0.5126 GB, free: 15.11 MB / 398.1 MB Notification: Performance of simCode: alias equations: time 0.000536/0.4342, allocations: 151.3 kB / 0.5127 GB, free: 15.04 MB / 398.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001821/0.4344, allocations: 49.28 kB / 0.5128 GB, free: 15.03 MB / 398.1 MB Notification: Performance of SimCode: time 5.21e-07/0.4344, allocations: 0 / 0.5128 GB, free: 15.03 MB / 398.1 MB Notification: Performance of Templates: time 0.01747/0.4519, allocations: 8.721 MB / 0.5213 GB, free: 6.441 MB / 398.1 MB make -j1 -f ModelicaTest_3.2.2_ModelicaTest.Blocks.Continuous_InitialOutput.makefile (rm -f ModelicaTest_3.2.2_ModelicaTest.Blocks.Continuous_InitialOutput.pipe ; mkfifo ModelicaTest_3.2.2_ModelicaTest.Blocks.Continuous_InitialOutput.pipe ; head -c 1048576 < ModelicaTest_3.2.2_ModelicaTest.Blocks.Continuous_InitialOutput.pipe >> ../files/ModelicaTest_3.2.2_ModelicaTest.Blocks.Continuous_InitialOutput.sim & ./ModelicaTest_3.2.2_ModelicaTest.Blocks.Continuous_InitialOutput -abortSlowSimulation -alarm=480 -lv LOG_STATS > ModelicaTest_3.2.2_ModelicaTest.Blocks.Continuous_InitialOutput.pipe 2>&1)