Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Modelica_3.2.3_cpp_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier.conf.json 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) Running command: translateModel(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier,tolerance=1e-06,outputFormat="mat",numberOfIntervals=22000,variableFilter="time|capacitor1.v|capacitor2.v|filter.x.1.|filter.x.2.|smee.is.1.|smee.is.2.|smee.excitation.electroMagneticConverter.Phi.re|smee.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.1..Phi.re|smee.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.2..Phi.im|smee.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.1..Phi.re|smee.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.2..Phi.im|speed.phi|speed.w|voltageController.I.y",fileNamePrefix="Modelica_3.2.3_cpp_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier") translateModel(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier,tolerance=1e-06,outputFormat="mat",numberOfIntervals=22000,variableFilter="time|capacitor1.v|capacitor2.v|filter.x.1.|filter.x.2.|smee.is.1.|smee.is.2.|smee.excitation.electroMagneticConverter.Phi.re|smee.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.1..Phi.re|smee.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter.2..Phi.im|smee.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.1..Phi.re|smee.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.2..Phi.im|speed.phi|speed.w|voltageController.I.y",fileNamePrefix="Modelica_3.2.3_cpp_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001568/0.001572, allocations: 187.2 kB / 16.41 MB, free: 5.723 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.876/1.876, allocations: 205.4 MB / 222.5 MB, free: 9.109 MB / 186.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.00114/0.00114, allocations: 90.91 kB / 270.9 MB, free: 8.367 MB / 218.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0003858/0.0003857, allocations: 8 kB / 327 MB, free: 188 kB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3491/0.3495, allocations: 47.56 MB / 374.5 MB, free: 45.39 MB / 298.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.5401/0.8897, allocations: 131.4 MB / 0.4941 GB, free: 57.84 MB / 378.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004021/0.8902, allocations: 90.59 kB / 0.4942 GB, free: 57.84 MB / 378.7 MB Notification: Performance of FrontEnd - DAE generated: time 0.3416/1.232, allocations: 96.05 MB / 0.588 GB, free: 17.76 MB / 378.7 MB Notification: Performance of FrontEnd: time 2.564e-06/1.232, allocations: 0 / 0.588 GB, free: 17.76 MB / 378.7 MB Notification: Performance of Transformations before backend: time 0.0004057/1.232, allocations: 95.88 kB / 0.5881 GB, free: 17.66 MB / 378.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 958 * Number of variables: 958 Notification: Performance of Generate backend data structure: time 0.01773/1.25, allocations: 4.197 MB / 0.5922 GB, free: 13.4 MB / 378.7 MB Notification: Performance of prepare preOptimizeDAE: time 5.095e-05/1.25, allocations: 8.031 kB / 0.5922 GB, free: 13.39 MB / 378.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007977/1.258, allocations: 0.916 MB / 0.5931 GB, free: 12.47 MB / 378.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0144/1.273, allocations: 3.638 MB / 0.5967 GB, free: 8.777 MB / 378.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003952/1.273, allocations: 271.4 kB / 0.5969 GB, free: 8.512 MB / 378.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001619/1.275, allocations: 371.9 kB / 0.5973 GB, free: 8.148 MB / 378.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01651/1.291, allocations: 4.648 MB / 0.6018 GB, free: 3.363 MB / 378.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001974/1.291, allocations: 7.906 kB / 0.6018 GB, free: 3.355 MB / 378.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001063/1.292, allocations: 160 kB / 0.602 GB, free: 3.199 MB / 378.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001855/1.293, allocations: 147.3 kB / 0.6021 GB, free: 3.055 MB / 378.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01325/1.306, allocations: 3.823 MB / 0.6058 GB, free: 15.23 MB / 394.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04877/1.355, allocations: 15.96 MB / 0.6214 GB, free: 14.85 MB / 410.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01396/1.369, allocations: 7.93 MB / 0.6292 GB, free: 6.055 MB / 410.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01386/1.383, allocations: 4.352 MB / 0.6334 GB, free: 1.547 MB / 410.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.862e-05/1.383, allocations: 60.56 kB / 0.6335 GB, free: 1.48 MB / 410.7 MB Notification: Performance of pre-optimization done (n=190): time 5.52e-06/1.383, allocations: 0 / 0.6335 GB, free: 1.48 MB / 410.7 MB Warning: The linear system: 1 : 3.0 * smee.stator.zeroInductor.i0 = smee.is[1] + smee.is[2] + smee.is[3] 2 : smee.is[1] + smee.is[2] + smee.is[3] = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ smee.is[1] ; smee.is[2] ] = [ smee.is[3] + (-3.0) * smee.stator.zeroInductor.i0 ; -smee.is[3] ] might be structurally or numerically singular for variable smee.is[2] since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=223): time 0.03491/1.418, allocations: 9.136 MB / 0.6424 GB, free: 8.137 MB / 426.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001301/1.418, allocations: 184.2 kB / 0.6426 GB, free: 7.918 MB / 426.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00544/1.423, allocations: 1.929 MB / 0.6445 GB, free: 5.969 MB / 426.7 MB Notification: Performance of collectPreVariables (initialization): time 0.000505/1.424, allocations: 65.7 kB / 0.6445 GB, free: 5.898 MB / 426.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.001801/1.426, allocations: 1.56 MB / 0.6461 GB, free: 4.32 MB / 426.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.001256/1.427, allocations: 0.7548 MB / 0.6468 GB, free: 3.555 MB / 426.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003121/1.427, allocations: 48 kB / 0.6468 GB, free: 3.508 MB / 426.7 MB Notification: Performance of setup shared object (initialization): time 0.0002837/1.428, allocations: 408 kB / 0.6472 GB, free: 3.102 MB / 426.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003144/1.431, allocations: 1.024 MB / 0.6482 GB, free: 2.074 MB / 426.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003918/1.435, allocations: 1.649 MB / 0.6498 GB, free: 156 kB / 426.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.3023/1.737, allocations: 1.288 MB / 0.6511 GB, free: 78.68 MB / 426.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.305e-05/1.737, allocations: 3.781 kB / 0.6511 GB, free: 78.68 MB / 426.7 MB Notification: Performance of matching and sorting (n=326) (initialization): time 0.009324/1.747, allocations: 3.537 MB / 0.6545 GB, free: 78.55 MB / 426.7 MB Notification: Performance of prepare postOptimizeDAE: time 0.00155/1.748, allocations: 7.059 MB / 0.6614 GB, free: 71.21 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.653e-05/1.748, allocations: 18.75 kB / 0.6615 GB, free: 71.21 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.003252/1.752, allocations: 0.7989 MB / 0.6622 GB, free: 71.16 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00371/1.755, allocations: 0.4965 MB / 0.6627 GB, free: 71.16 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01715/1.772, allocations: 11.33 MB / 0.6738 GB, free: 65.86 MB / 426.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003412/1.776, allocations: 113.8 kB / 0.6739 GB, free: 65.86 MB / 426.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003484/1.776, allocations: 102.8 kB / 0.674 GB, free: 65.86 MB / 426.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.661e-05/1.776, allocations: 7.828 kB / 0.674 GB, free: 65.85 MB / 426.7 MB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.008707/1.785, allocations: 3.422 MB / 0.6773 GB, free: 65.74 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.359e-05/1.785, allocations: 19.94 kB / 0.6774 GB, free: 65.74 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.003009/1.788, allocations: 0.781 MB / 0.6781 GB, free: 65.7 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00367/1.792, allocations: 498.8 kB / 0.6786 GB, free: 65.7 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0175/1.809, allocations: 11.38 MB / 0.6897 GB, free: 60.38 MB / 426.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002044/1.812, allocations: 100.7 kB / 0.6898 GB, free: 60.38 MB / 426.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002706/1.812, allocations: 101.9 kB / 0.6899 GB, free: 60.38 MB / 426.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 81 * Number of states: 0 () * Number of discrete variables: 7 (idealDiode1.idealDiode[1].off,idealDiode1.idealDiode[2].off,idealDiode1.idealDiode[3].off,idealDiode2.idealDiode[1].off,idealDiode2.idealDiode[2].off,idealDiode2.idealDiode[3].off,voltageController.I.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (263): * Single equations (assignments): 256 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 1 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 1 {(2,100.0%)} * Non-linear Jacobian: 0 * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(5,80.0%) 32} * Non-linear torn systems: 3 {2 7,2 7,2 7} Notification: Performance of prepare postOptimizeDAE: time 0.003356/1.815, allocations: 1.188 MB / 0.6911 GB, free: 60.18 MB / 426.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008591/1.816, allocations: 269.3 kB / 0.6913 GB, free: 60.18 MB / 426.7 MB Warning: The linear system: 1 : 3.0 * smee.stator.zeroInductor.i0 = smee.is[1] + smee.is[2] + smee.is[3] 2 : smee.is[1] + smee.is[2] + smee.is[3] = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ smee.is[2] ; smee.is[1] ] = [ smee.is[3] + (-3.0) * smee.stator.zeroInductor.i0 ; -smee.is[3] ] might be structurally or numerically singular for variable smee.is[1] since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009692/1.826, allocations: 3.3 MB / 0.6945 GB, free: 59.81 MB / 426.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.698e-05/1.826, allocations: 21.31 kB / 0.6946 GB, free: 59.81 MB / 426.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.74e-05/1.826, allocations: 6.594 kB / 0.6946 GB, free: 59.81 MB / 426.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.677e-05/1.826, allocations: 13.78 kB / 0.6946 GB, free: 59.81 MB / 426.7 MB Warning: The linear system: 1 : 3.0 * smee.stator.zeroInductor.i0 = smee.is[1] + smee.is[2] + smee.is[3] 2 : smee.is[1] + smee.is[2] + smee.is[3] = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ smee.is[2] ; smee.is[1] ] = [ smee.is[3] + (-3.0) * smee.stator.zeroInductor.i0 ; -smee.is[3] ] might be structurally or numerically singular for variable smee.is[1] since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01791/1.844, allocations: 6.937 MB / 0.7014 GB, free: 59.09 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.784e-05/1.844, allocations: 6.828 kB / 0.7014 GB, free: 59.09 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002853/1.847, allocations: 333.3 kB / 0.7017 GB, free: 59.09 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002945/1.85, allocations: 0.7923 MB / 0.7025 GB, free: 59.05 MB / 426.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002938/1.85, allocations: 54.86 kB / 0.7025 GB, free: 59.05 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01797/1.868, allocations: 12.72 MB / 0.7149 GB, free: 49.7 MB / 426.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.979e-06/1.868, allocations: 5.875 kB / 0.7149 GB, free: 49.7 MB / 426.7 MB Warning: The linear system: 1 : 3.0 * smee.stator.zeroInductor.i0 = smee.is[1] + smee.is[2] + smee.is[3] 2 : smee.is[1] + smee.is[2] + smee.is[3] = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ smee.is[2] ; smee.is[1] ] = [ smee.is[3] + (-3.0) * smee.stator.zeroInductor.i0 ; -smee.is[3] ] might be structurally or numerically singular for variable smee.is[1] since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01133/1.879, allocations: 4.867 MB / 0.7197 GB, free: 47.29 MB / 426.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001926/1.881, allocations: 0.5664 MB / 0.7202 GB, free: 46.9 MB / 426.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007734/1.882, allocations: 51.56 kB / 0.7203 GB, free: 46.87 MB / 426.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002577/1.885, allocations: 97.16 kB / 0.7204 GB, free: 46.84 MB / 426.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006518/1.886, allocations: 168.1 kB / 0.7205 GB, free: 46.81 MB / 426.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001994/1.886, allocations: 62.73 kB / 0.7206 GB, free: 46.8 MB / 426.7 MB Notification: Performance of sorting global known variables: time 0.003674/1.889, allocations: 1.471 MB / 0.722 GB, free: 46.21 MB / 426.7 MB Notification: Performance of sort global known variables: time 7.31e-07/1.889, allocations: 2.812 kB / 0.722 GB, free: 46.21 MB / 426.7 MB Notification: Performance of remove unused functions: time 0.007922/1.897, allocations: 1.446 MB / 0.7235 GB, free: 46.07 MB / 426.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 12 (smee.is[3],smee.stator.core.Phi.re,smee.stator.core.Phi.im,smee.stator.zeroInductor.i0,smee.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter[2].Phi.re,speed.phi,speed.w,voltageController.I.y,capacitor1.v,capacitor2.v,filter.x[1],filter.x[2]) * Number of discrete variables: 6 (idealDiode1.idealDiode[1].off,idealDiode1.idealDiode[2].off,idealDiode1.idealDiode[3].off,idealDiode2.idealDiode[1].off,idealDiode2.idealDiode[2].off,idealDiode2.idealDiode[3].off) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (162): * Single equations (assignments): 157 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(6,61.1%) 31,(1,100.0%) 1} * Non-linear torn systems: 3 {2 7,2 7,2 7} Notification: Performance of Backend phase and start with SimCode phase: time 0.001268/1.899, allocations: 459.9 kB / 0.7239 GB, free: 45.93 MB / 426.7 MB Notification: Performance of simCode: created initialization part: time 0.0142/1.913, allocations: 5.979 MB / 0.7297 GB, free: 42.97 MB / 426.7 MB Notification: Performance of simCode: created event and clocks part: time 1.079e-05/1.913, allocations: 0 / 0.7297 GB, free: 42.97 MB / 426.7 MB Notification: Performance of simCode: created simulation system equations: time 0.005228/1.918, allocations: 2.219 MB / 0.7319 GB, free: 41.76 MB / 426.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004734/1.923, allocations: 0.6476 MB / 0.7325 GB, free: 41.6 MB / 426.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02043/1.943, allocations: 8.656 MB / 0.741 GB, free: 36.8 MB / 426.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003728/1.947, allocations: 2.611 MB / 0.7435 GB, free: 35.72 MB / 426.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00115/1.948, allocations: 179.7 kB / 0.7437 GB, free: 35.71 MB / 426.7 MB Notification: Performance of SimCode: time 2.405e-06/1.948, allocations: 0 / 0.7437 GB, free: 35.71 MB / 426.7 MB Notification: Performance of Templates: time 0.5144/2.463, allocations: 136.5 MB / 0.877 GB, free: 79.91 MB / 442.7 MB make -j1 -f Modelica_3.2.3_cpp_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier.makefile (rm -f Modelica_3.2.3_cpp_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier.pipe ; mkfifo Modelica_3.2.3_cpp_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier.pipe ; head -c 1048576 < Modelica_3.2.3_cpp_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier.pipe >> ../files/Modelica_3.2.3_cpp_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier.sim & ./Modelica_3.2.3_cpp_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier --alarm=480 -emit_protected > Modelica_3.2.3_cpp_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMEE_Rectifier.pipe 2>&1)