Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Blocks.Examples.TotalHarmonicDistortion.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(Modelica.Blocks.Examples.TotalHarmonicDistortion,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2000,variableFilter="time|thd1.harmonic.mean1.x|thd1.harmonic.mean2.x|thd1.rootMeanSquare.mean.x|thdRMS.harmonic.mean1.x|thdRMS.harmonic.mean2.x|thdRMS.rootMeanSquare.mean.x",fileNamePrefix="Modelica_trunk_Modelica.Blocks.Examples.TotalHarmonicDistortion") translateModel(Modelica.Blocks.Examples.TotalHarmonicDistortion,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2000,variableFilter="time|thd1.harmonic.mean1.x|thd1.harmonic.mean2.x|thd1.rootMeanSquare.mean.x|thdRMS.harmonic.mean1.x|thdRMS.harmonic.mean2.x|thdRMS.rootMeanSquare.mean.x",fileNamePrefix="Modelica_trunk_Modelica.Blocks.Examples.TotalHarmonicDistortion") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001435/0.001435, allocations: 104.5 kB / 17.85 MB, free: 5.656 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001726/0.001726, allocations: 205.8 kB / 18.79 MB, free: 4.727 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.421/1.421, allocations: 227.4 MB / 246.9 MB, free: 10.59 MB / 206.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001267/0.001267, allocations: 60.03 kB / 306.9 MB, free: 1.039 MB / 238.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09564/0.09692, allocations: 50.54 MB / 357.4 MB, free: 14.49 MB / 302.1 MB Notification: Performance of NFInst.instantiate(Modelica.Blocks.Examples.TotalHarmonicDistortion): time 0.005347/0.1023, allocations: 3.744 MB / 361.2 MB, free: 10.72 MB / 302.1 MB Notification: Performance of NFInst.instExpressions: time 0.002586/0.1049, allocations: 1.367 MB / 362.5 MB, free: 9.344 MB / 302.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005209/0.1055, allocations: 11.94 kB / 362.6 MB, free: 9.332 MB / 302.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0003633/0.1059, allocations: 59.42 kB / 362.6 MB, free: 9.273 MB / 302.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0006074/0.1065, allocations: 111.1 kB / 362.7 MB, free: 9.164 MB / 302.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001036/0.1076, allocations: 422.9 kB / 363.1 MB, free: 8.754 MB / 302.1 MB Notification: Performance of NFFlatten.flatten: time 0.001031/0.1086, allocations: 0.8181 MB / 364 MB, free: 7.934 MB / 302.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0006317/0.1093, allocations: 377.8 kB / 364.3 MB, free: 7.543 MB / 302.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0004795/0.1098, allocations: 290.6 kB / 364.6 MB, free: 7.258 MB / 302.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0004559/0.1102, allocations: 330.2 kB / 364.9 MB, free: 6.934 MB / 302.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001635/0.1104, allocations: 43.94 kB / 365 MB, free: 6.891 MB / 302.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0002039/0.1106, allocations: 55.98 kB / 365 MB, free: 6.836 MB / 302.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001835/0.1108, allocations: 147.4 kB / 365.2 MB, free: 6.691 MB / 302.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0003783/0.1112, allocations: 353.9 kB / 365.5 MB, free: 6.344 MB / 302.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0007151/0.1119, allocations: 0.7955 MB / 366.3 MB, free: 5.547 MB / 302.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.897e-06/0.1119, allocations: 0 / 366.3 MB, free: 5.547 MB / 302.1 MB Notification: Performance of FrontEnd: time 9.42e-07/0.1119, allocations: 0 / 366.3 MB, free: 5.547 MB / 302.1 MB Notification: Performance of Transformations before backend: time 3.414e-05/0.112, allocations: 4 kB / 366.3 MB, free: 5.543 MB / 302.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 141 * Number of variables: 141 Notification: Performance of Generate backend data structure: time 0.002347/0.1143, allocations: 1.068 MB / 367.4 MB, free: 4.426 MB / 302.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.749e-05/0.1144, allocations: 11.97 kB / 367.4 MB, free: 4.414 MB / 302.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007252/0.1151, allocations: 147.8 kB / 367.5 MB, free: 4.27 MB / 302.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001105/0.1162, allocations: 0.653 MB / 368.2 MB, free: 3.578 MB / 302.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.673e-05/0.1163, allocations: 49.67 kB / 368.2 MB, free: 3.531 MB / 302.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001097/0.1164, allocations: 64.38 kB / 368.3 MB, free: 3.469 MB / 302.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001302/0.1177, allocations: 0.6567 MB / 369 MB, free: 2.793 MB / 302.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.655e-05/0.1177, allocations: 3.938 kB / 369 MB, free: 2.789 MB / 302.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.393e-05/0.1178, allocations: 28 kB / 369 MB, free: 2.762 MB / 302.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.327e-05/0.1178, allocations: 12 kB / 369 MB, free: 2.75 MB / 302.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001156/0.119, allocations: 0.497 MB / 369.5 MB, free: 2.25 MB / 302.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003588/0.1226, allocations: 1.913 MB / 371.4 MB, free: 268 kB / 302.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.1738/0.2964, allocations: 489.3 kB / 371.9 MB, free: 19.79 MB / 302.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.000574/0.297, allocations: 212 kB / 372.1 MB, free: 19.78 MB / 302.1 MB Notification: Performance of preOpt evalFunc (simulation): time 5.142e-05/0.2971, allocations: 14.02 kB / 372.1 MB, free: 19.78 MB / 302.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008194/0.2979, allocations: 396.5 kB / 372.5 MB, free: 19.73 MB / 302.1 MB Notification: Performance of pre-optimization done (n=53): time 4.068e-06/0.2979, allocations: 0 / 372.5 MB, free: 19.73 MB / 302.1 MB Notification: Performance of matching and sorting (n=53): time 0.001769/0.2997, allocations: 0.7348 MB / 373.2 MB, free: 19.69 MB / 302.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.826e-05/0.2998, allocations: 117.1 kB / 373.3 MB, free: 19.56 MB / 302.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006664/0.3005, allocations: 494.8 kB / 373.8 MB, free: 19.45 MB / 302.1 MB Notification: Performance of collectPreVariables (initialization): time 5.095e-05/0.3005, allocations: 39.5 kB / 373.9 MB, free: 19.42 MB / 302.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002468/0.3008, allocations: 343.9 kB / 374.2 MB, free: 19.22 MB / 302.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001363/0.3009, allocations: 159.9 kB / 374.4 MB, free: 19.12 MB / 302.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001994/0.3011, allocations: 124.5 kB / 374.5 MB, free: 19.05 MB / 302.1 MB Notification: Performance of setup shared object (initialization): time 0.000125/0.3013, allocations: 376.5 kB / 374.9 MB, free: 18.71 MB / 302.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005478/0.3018, allocations: 208.5 kB / 375.1 MB, free: 18.64 MB / 302.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006649/0.3025, allocations: 422 kB / 375.5 MB, free: 18.32 MB / 302.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009853/0.3035, allocations: 0.619 MB / 376.1 MB, free: 17.91 MB / 302.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.402e-06/0.3035, allocations: 1.625 kB / 376.1 MB, free: 17.91 MB / 302.1 MB Notification: Performance of matching and sorting (n=79) (initialization): time 0.001269/0.3048, allocations: 0.6839 MB / 376.8 MB, free: 17.63 MB / 302.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.271e-05/0.3048, allocations: 6.875 kB / 376.8 MB, free: 17.63 MB / 302.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.174e-05/0.3048, allocations: 6.875 kB / 376.8 MB, free: 17.63 MB / 302.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.294e-05/0.3049, allocations: 10.23 kB / 376.8 MB, free: 17.63 MB / 302.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005365/0.3054, allocations: 136.5 kB / 376.9 MB, free: 17.62 MB / 302.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.795e-05/0.3054, allocations: 11.11 kB / 376.9 MB, free: 17.62 MB / 302.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004003/0.3058, allocations: 83.89 kB / 377 MB, free: 17.58 MB / 302.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.709e-05/0.3059, allocations: 32.69 kB / 377.1 MB, free: 17.57 MB / 302.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005401/0.3064, allocations: 342 kB / 377.4 MB, free: 17.38 MB / 302.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000478/0.3069, allocations: 396.3 kB / 377.8 MB, free: 17.05 MB / 302.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007804/0.3077, allocations: 0.5804 MB / 378.4 MB, free: 16.63 MB / 302.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.057e-06/0.3077, allocations: 2.219 kB / 378.4 MB, free: 16.63 MB / 302.1 MB Notification: Performance of matching and sorting (n=79) (initialization_lambda0): time 0.001054/0.3088, allocations: 0.6271 MB / 379 MB, free: 16.37 MB / 302.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.303e-05/0.3088, allocations: 7.969 kB / 379 MB, free: 16.37 MB / 302.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.424e-06/0.3088, allocations: 6.656 kB / 379 MB, free: 16.37 MB / 302.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.298e-05/0.3088, allocations: 14.69 kB / 379 MB, free: 16.37 MB / 302.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004389/0.3093, allocations: 125.3 kB / 379.1 MB, free: 16.35 MB / 302.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.611e-05/0.3093, allocations: 16.28 kB / 379.1 MB, free: 16.35 MB / 302.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003612/0.3097, allocations: 70.33 kB / 379.2 MB, free: 16.31 MB / 302.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.111e-05/0.3097, allocations: 28.59 kB / 379.2 MB, free: 16.31 MB / 302.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 29 * Number of states: 0 () * Number of discrete variables: 24 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,thdRMS.pythagoras.valid,thdRMS.valid,thdRMS.greaterThreshold.y,thdRMS.rootMeanSquare.mean.y_last,$PRE.thdRMS.rootMeanSquare.mean.y_last,thdRMS.harmonic.mean2.y_last,$PRE.thdRMS.harmonic.mean2.y_last,thdRMS.harmonic.mean1.y_last,$PRE.thdRMS.harmonic.mean1.y_last,thd1.pythagoras.valid,thd1.valid,thd1.greaterThreshold.y,thd1.rootMeanSquare.mean.y_last,$PRE.thd1.rootMeanSquare.mean.y_last,thd1.harmonic.mean2.y_last,$PRE.thd1.harmonic.mean2.y_last,thd1.harmonic.mean1.y_last,$PRE.thd1.harmonic.mean1.y_last) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (79): * Single equations (assignments): 79 * 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 prepare postOptimizeDAE: time 0.0001804/0.3099, allocations: 241.7 kB / 379.5 MB, free: 16.08 MB / 302.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.679e-05/0.31, allocations: 62.64 kB / 379.5 MB, free: 16.05 MB / 302.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001245/0.3113, allocations: 0.5888 MB / 380.1 MB, free: 15.82 MB / 302.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.267e-06/0.3113, allocations: 9.734 kB / 380.1 MB, free: 15.82 MB / 302.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.745e-06/0.3113, allocations: 3.938 kB / 380.1 MB, free: 15.82 MB / 302.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.398e-06/0.3113, allocations: 4.969 kB / 380.2 MB, free: 15.82 MB / 302.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008106/0.3121, allocations: 0.6537 MB / 380.8 MB, free: 15.44 MB / 302.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.076e-06/0.3121, allocations: 1.312 kB / 380.8 MB, free: 15.44 MB / 302.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004493/0.3126, allocations: 82.52 kB / 380.9 MB, free: 15.43 MB / 302.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.629e-06/0.3126, allocations: 6.156 kB / 380.9 MB, free: 15.43 MB / 302.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.401e-05/0.3127, allocations: 17.95 kB / 380.9 MB, free: 15.42 MB / 302.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.537e-06/0.3127, allocations: 1.438 kB / 380.9 MB, free: 15.42 MB / 302.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.433e-06/0.3127, allocations: 0 / 380.9 MB, free: 15.42 MB / 302.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00174/0.3144, allocations: 0.879 MB / 381.8 MB, free: 15.04 MB / 302.1 MB Notification: Performance of postOpt removeConstants (simulation): time 8.724e-05/0.3145, allocations: 139.3 kB / 381.9 MB, free: 14.9 MB / 302.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.232e-05/0.3146, allocations: 16.97 kB / 381.9 MB, free: 14.89 MB / 302.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003169/0.3149, allocations: 40.2 kB / 382 MB, free: 14.88 MB / 302.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001332/0.3151, allocations: 43.03 kB / 382 MB, free: 14.88 MB / 302.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.601e-05/0.3151, allocations: 22.34 kB / 382 MB, free: 14.87 MB / 302.1 MB Notification: Performance of sorting global known variables: time 0.0004274/0.3155, allocations: 335 kB / 382.4 MB, free: 14.71 MB / 302.1 MB Notification: Performance of sort global known variables: time 1.3e-07/0.3156, allocations: 0 / 382.4 MB, free: 14.71 MB / 302.1 MB Notification: Performance of remove unused functions: time 0.0007599/0.3163, allocations: 247.6 kB / 382.6 MB, free: 14.64 MB / 302.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 6 (thd1.harmonic.mean1.x,thd1.harmonic.mean2.x,thd1.rootMeanSquare.mean.x,thdRMS.harmonic.mean1.x,thdRMS.harmonic.mean2.x,thdRMS.rootMeanSquare.mean.x) * Number of discrete variables: 20 ($cse1,$cse2,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,thd1.harmonic.mean1.y_last,thd1.harmonic.mean2.y_last,thd1.rootMeanSquare.mean.y_last,thd1.greaterThreshold.y,thd1.valid,thd1.pythagoras.valid,thdRMS.harmonic.mean1.y_last,thdRMS.harmonic.mean2.y_last,thdRMS.rootMeanSquare.mean.y_last,thdRMS.greaterThreshold.y,thdRMS.valid,thdRMS.pythagoras.valid) * Number of discrete states: 6 (thdRMS.rootMeanSquare.mean.x,thdRMS.harmonic.mean2.x,thdRMS.harmonic.mean1.x,thd1.rootMeanSquare.mean.x,thd1.harmonic.mean2.x,thd1.harmonic.mean1.x) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (55): * Single equations (assignments): 49 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 6 * 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 0.0001464/0.3165, allocations: 136.8 kB / 382.7 MB, free: 14.53 MB / 302.1 MB Notification: Performance of simCode: created initialization part: time 0.001619/0.3181, allocations: 0.8272 MB / 383.6 MB, free: 14.26 MB / 302.1 MB Notification: Performance of simCode: created event and clocks part: time 4.258e-06/0.3181, allocations: 0.8125 kB / 383.6 MB, free: 14.26 MB / 302.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0005642/0.3187, allocations: 283.9 kB / 383.9 MB, free: 14.18 MB / 302.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004917/0.3192, allocations: 83.55 kB / 383.9 MB, free: 14.14 MB / 302.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002063/0.3213, allocations: 1.49 MB / 385.4 MB, free: 13.19 MB / 302.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004273/0.3217, allocations: 0.9118 MB / 386.3 MB, free: 12.47 MB / 302.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001937/0.3219, allocations: 59.06 kB / 386.4 MB, free: 12.46 MB / 302.1 MB Notification: Performance of SimCode: time 3.8e-07/0.3219, allocations: 0 / 386.4 MB, free: 12.46 MB / 302.1 MB Notification: Performance of Templates: time 0.01135/0.3333, allocations: 8.23 MB / 394.6 MB, free: 9.203 MB / 302.1 MB make -j1 -f Modelica_trunk_Modelica.Blocks.Examples.TotalHarmonicDistortion.makefile (rm -f Modelica_trunk_Modelica.Blocks.Examples.TotalHarmonicDistortion.pipe ; mkfifo Modelica_trunk_Modelica.Blocks.Examples.TotalHarmonicDistortion.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Blocks.Examples.TotalHarmonicDistortion.pipe >> ../files/Modelica_trunk_Modelica.Blocks.Examples.TotalHarmonicDistortion.sim & ./Modelica_trunk_Modelica.Blocks.Examples.TotalHarmonicDistortion -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_trunk_Modelica.Blocks.Examples.TotalHarmonicDistortion.pipe 2>&1)