Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Loads.Examples.ParallelResistors.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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: "" <> buildModelFMU(BuildingSystems.Electrical.AC.OnePhase.Loads.Examples.ParallelResistors,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_OnePhase_Loads_Examples_ParallelResistors",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.OnePhase.Loads.Examples.ParallelResistors,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_OnePhase_Loads_Examples_ParallelResistors",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004329/0.00433, allocations: 102.2 kB / 15.73 MB, free: 6.066 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001239/0.001239, allocations: 190.5 kB / 16.67 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.38/1.38, allocations: 222.9 MB / 240.4 MB, free: 15.1 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002532/0.002532, allocations: 295.7 kB / 290.8 MB, free: 14.44 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9801/0.9801, allocations: 169.2 MB / 0.4983 GB, free: 4.441 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002753/0.002753, allocations: 99.98 kB / 0.681 GB, free: 7.477 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4047/0.4075, allocations: 86.98 MB / 0.7659 GB, free: 3.867 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.OnePhase.Loads.Examples.ParallelResistors): time 0.0041/0.4116, allocations: 2.627 MB / 0.7685 GB, free: 1.227 MB / 0.5294 GB Notification: Performance of NFInst.instExpressions: time 0.002035/0.4137, allocations: 1.321 MB / 0.7698 GB, free: 15.9 MB / 0.545 GB Notification: Performance of NFInst.updateImplicitVariability: time 8.512e-05/0.4138, allocations: 0 / 0.7698 GB, free: 15.9 MB / 0.545 GB Notification: Performance of NFTyping.typeComponents: time 0.0006346/0.4144, allocations: 179.2 kB / 0.7699 GB, free: 15.72 MB / 0.545 GB Notification: Performance of NFTyping.typeBindings: time 0.0003408/0.4148, allocations: 167.3 kB / 0.7701 GB, free: 15.56 MB / 0.545 GB Notification: Performance of NFTyping.typeClassSections: time 0.0003421/0.4151, allocations: 161.8 kB / 0.7702 GB, free: 15.4 MB / 0.545 GB Notification: Performance of NFFlatten.flatten: time 0.0003253/0.4155, allocations: 263.2 kB / 0.7705 GB, free: 15.14 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002828/0.4158, allocations: 141.2 kB / 0.7706 GB, free: 15.01 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001608/0.4159, allocations: 107.6 kB / 0.7707 GB, free: 14.91 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002498/0.4162, allocations: 131.5 kB / 0.7709 GB, free: 14.78 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 3.171e-05/0.4162, allocations: 12 kB / 0.7709 GB, free: 14.77 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0002547/0.4165, allocations: 147.6 kB / 0.771 GB, free: 14.62 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 9.039e-05/0.4166, allocations: 63.88 kB / 0.7711 GB, free: 14.56 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.0001018/0.4167, allocations: 91.47 kB / 0.7712 GB, free: 14.47 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.0003738/0.4171, allocations: 292.3 kB / 0.7714 GB, free: 14.19 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 3.206e-06/0.4171, allocations: 0 / 0.7714 GB, free: 14.19 MB / 0.545 GB Notification: Performance of FrontEnd: time 9.21e-07/0.4171, allocations: 4 kB / 0.7714 GB, free: 14.18 MB / 0.545 GB Notification: Performance of Transformations before backend: time 5.06e-06/0.4171, allocations: 0 / 0.7714 GB, free: 14.18 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 41 * Number of variables: 41 Notification: Performance of Generate backend data structure: time 0.0007793/0.4179, allocations: 0.5024 MB / 0.7719 GB, free: 13.63 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 3.385e-05/0.4179, allocations: 8.031 kB / 0.7719 GB, free: 13.62 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.086e-05/0.418, allocations: 50.73 kB / 0.772 GB, free: 13.56 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004873/0.4185, allocations: 68.72 kB / 0.7721 GB, free: 13.5 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003162/0.4188, allocations: 248 kB / 0.7723 GB, free: 13.21 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.602e-05/0.4188, allocations: 8.656 kB / 0.7723 GB, free: 13.21 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.012e-05/0.4189, allocations: 16.36 kB / 0.7723 GB, free: 13.19 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000552/0.4194, allocations: 309.4 kB / 0.7726 GB, free: 12.86 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.314e-05/0.4195, allocations: 4 kB / 0.7726 GB, free: 12.86 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.449e-05/0.4195, allocations: 8 kB / 0.7726 GB, free: 12.85 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.972e-05/0.4195, allocations: 28.25 kB / 0.7726 GB, free: 12.82 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005352/0.4201, allocations: 256.5 kB / 0.7729 GB, free: 12.57 MB / 0.545 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001696/0.4218, allocations: 1.502 MB / 0.7744 GB, free: 10.93 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005218/0.4223, allocations: 265 kB / 0.7746 GB, free: 10.65 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002564/0.4226, allocations: 121.6 kB / 0.7747 GB, free: 10.52 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 1.921e-05/0.4226, allocations: 7.938 kB / 0.7747 GB, free: 10.52 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.488e-05/0.4226, allocations: 38.56 kB / 0.7748 GB, free: 10.47 MB / 0.545 GB Notification: Performance of pre-optimization done (n=15): time 1.403e-06/0.4227, allocations: 0 / 0.7748 GB, free: 10.47 MB / 0.545 GB Notification: Performance of matching and sorting (n=15): time 0.0007975/0.4235, allocations: 345.3 kB / 0.7751 GB, free: 10.12 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.971e-05/0.4235, allocations: 81.11 kB / 0.7752 GB, free: 10.03 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000177/0.4237, allocations: 175.8 kB / 0.7753 GB, free: 9.84 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 2.558e-05/0.4237, allocations: 33.7 kB / 0.7754 GB, free: 9.801 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 9.94e-05/0.4238, allocations: 140.3 kB / 0.7755 GB, free: 9.66 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 4.979e-05/0.4239, allocations: 55.53 kB / 0.7756 GB, free: 9.605 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.799e-05/0.424, allocations: 45.66 kB / 0.7756 GB, free: 9.555 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.0001495/0.4241, allocations: 334.8 kB / 0.7759 GB, free: 9.219 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002343/0.4244, allocations: 104.8 kB / 0.776 GB, free: 9.113 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002812/0.4247, allocations: 170.6 kB / 0.7762 GB, free: 8.922 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005149/0.4252, allocations: 281.8 kB / 0.7765 GB, free: 8.625 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.184e-06/0.4252, allocations: 0 / 0.7765 GB, free: 8.625 MB / 0.545 GB Notification: Performance of matching and sorting (n=23) (initialization): time 0.0006046/0.4258, allocations: 309.2 kB / 0.7768 GB, free: 8.316 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 1.62e-05/0.4258, allocations: 10.5 kB / 0.7768 GB, free: 8.309 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.94e-06/0.4259, allocations: 0 / 0.7768 GB, free: 8.309 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.56e-05/0.4259, allocations: 4 kB / 0.7768 GB, free: 8.305 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003002/0.4262, allocations: 55.89 kB / 0.7768 GB, free: 8.25 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.412e-06/0.4262, allocations: 0 / 0.7768 GB, free: 8.25 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001947/0.4264, allocations: 40.03 kB / 0.7769 GB, free: 8.211 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.035e-05/0.4264, allocations: 11.94 kB / 0.7769 GB, free: 8.199 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.000283/0.4267, allocations: 194.5 kB / 0.7771 GB, free: 8.008 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002506/0.427, allocations: 156.3 kB / 0.7772 GB, free: 7.824 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004377/0.4274, allocations: 251.6 kB / 0.7774 GB, free: 7.551 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.337e-06/0.4274, allocations: 0 / 0.7774 GB, free: 7.551 MB / 0.545 GB Notification: Performance of matching and sorting (n=23) (initialization_lambda0): time 0.0005384/0.428, allocations: 288.7 kB / 0.7777 GB, free: 7.266 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 7.714e-06/0.428, allocations: 4.25 kB / 0.7777 GB, free: 7.262 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.168e-06/0.428, allocations: 8 kB / 0.7777 GB, free: 7.254 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.705e-06/0.428, allocations: 0 / 0.7777 GB, free: 7.254 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002189/0.4282, allocations: 47.97 kB / 0.7778 GB, free: 7.207 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.257e-05/0.4283, allocations: 11.92 kB / 0.7778 GB, free: 7.195 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001694/0.4284, allocations: 23.88 kB / 0.7778 GB, free: 7.172 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.663e-05/0.4285, allocations: 8 kB / 0.7778 GB, free: 7.164 MB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * 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 (23): * Single equations (assignments): 23 * 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 0.000145/0.4286, allocations: 197.2 kB / 0.778 GB, free: 6.965 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.112e-05/0.4287, allocations: 15.91 kB / 0.778 GB, free: 6.949 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005891/0.4293, allocations: 278.9 kB / 0.7783 GB, free: 6.668 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.386e-06/0.4293, allocations: 0 / 0.7783 GB, free: 6.668 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.078e-06/0.4293, allocations: 0 / 0.7783 GB, free: 6.668 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.851e-06/0.4293, allocations: 4 kB / 0.7783 GB, free: 6.664 MB / 0.545 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001107/0.4304, allocations: 0.6772 MB / 0.779 GB, free: 5.918 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.404e-06/0.4304, allocations: 0 / 0.779 GB, free: 5.918 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002397/0.4307, allocations: 47.95 kB / 0.779 GB, free: 5.871 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.906e-06/0.4307, allocations: 7.938 kB / 0.779 GB, free: 5.863 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.707e-05/0.4307, allocations: 7.938 kB / 0.779 GB, free: 5.855 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.991e-06/0.4307, allocations: 7.984 kB / 0.779 GB, free: 5.848 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.382e-06/0.4307, allocations: 0 / 0.779 GB, free: 5.848 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005975/0.4313, allocations: 454.1 kB / 0.7795 GB, free: 5.375 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001109/0.4315, allocations: 109 kB / 0.7796 GB, free: 5.25 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.478e-05/0.4315, allocations: 15.94 kB / 0.7796 GB, free: 5.234 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002103/0.4317, allocations: 15.97 kB / 0.7796 GB, free: 5.219 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.462e-05/0.4318, allocations: 15.98 kB / 0.7796 GB, free: 5.203 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.32e-05/0.4318, allocations: 4 kB / 0.7796 GB, free: 5.199 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.0001192/0.4319, allocations: 131.8 kB / 0.7797 GB, free: 5.07 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.1e-07/0.4319, allocations: 0 / 0.7797 GB, free: 5.07 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.0004694/0.4324, allocations: 91.78 kB / 0.7798 GB, free: 4.98 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * 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 simulation (16): * Single equations (assignments): 16 * 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 0.0009085/0.4333, allocations: 0.9881 MB / 0.7808 GB, free: 3.953 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.0007553/0.4341, allocations: 371.4 kB / 0.7811 GB, free: 3.594 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 2.043e-06/0.4341, allocations: 0 / 0.7811 GB, free: 3.594 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.0002331/0.4343, allocations: 123.9 kB / 0.7813 GB, free: 3.473 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004595/0.4348, allocations: 42.25 kB / 0.7813 GB, free: 3.438 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003184/0.438, allocations: 2.459 MB / 0.7837 GB, free: 0.8281 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003855/0.4384, allocations: 0.748 MB / 0.7844 GB, free: 56 kB / 0.545 GB Notification: Performance of simCode: alias equations: time 0.0002138/0.4386, allocations: 81.47 kB / 0.7845 GB, free: 15.98 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001208/0.4387, allocations: 51.41 kB / 0.7846 GB, free: 15.93 MB / 0.5606 GB Notification: Performance of SimCode: time 2.31e-07/0.4388, allocations: 0 / 0.7846 GB, free: 15.93 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02461/0.4634, allocations: 4.226 MB / 0.7887 GB, free: 11.86 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.934/8.397, allocations: 7.125 kB / 0.7887 GB, free: 11.86 MB / 0.5606 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Loads.Examples.ParallelResistors.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Loads.Examples.ParallelResistors.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Loads.Examples.ParallelResistors.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Loads.Examples.ParallelResistors.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Loads.Examples.ParallelResistors_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_OnePhase_Loads_Examples_ParallelResistors.fmu > BuildingSystems_BuildingSystems.Electrical.AC.OnePhase.Loads.Examples.ParallelResistors.pipe 2>&1)