Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.LoadCtrl.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.LoadCtrl,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Loads_Examples_LoadCtrl",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.LoadCtrl,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Loads_Examples_LoadCtrl",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.445/1.445, allocations: 251.9 MB / 266.9 MB, free: 11.05 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001164/0.001165, allocations: 179.3 kB / 326.5 MB, free: 2.234 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.774/1.774, allocations: 205.4 MB / 0.5775 GB, free: 20.3 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.000928/0.0009279, allocations: 98.34 kB / 0.6821 GB, free: 12.89 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0003389/0.000339, allocations: 9.375 kB / 0.7963 GB, free: 135.1 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2011/0.2015, allocations: 106.3 MB / 0.9002 GB, free: 63.84 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.LoadCtrl): time 0.01367/0.2152, allocations: 16.89 MB / 0.9167 GB, free: 46.9 MB / 0.6042 GB Notification: Performance of NFInst.instExpressions: time 0.01328/0.2285, allocations: 8.936 MB / 0.9254 GB, free: 37.95 MB / 0.6042 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002961/0.2316, allocations: 55.75 kB / 0.9254 GB, free: 37.89 MB / 0.6042 GB Notification: Performance of NFTyping.typeComponents: time 0.002207/0.2338, allocations: 417.4 kB / 0.9258 GB, free: 37.48 MB / 0.6042 GB Notification: Performance of NFTyping.typeBindings: time 0.005114/0.239, allocations: 1.241 MB / 0.927 GB, free: 36.24 MB / 0.6042 GB Notification: Performance of NFTyping.typeClassSections: time 0.002684/0.2417, allocations: 0.9211 MB / 0.9279 GB, free: 35.32 MB / 0.6042 GB Notification: Performance of NFFlatten.flatten: time 0.00299/0.2447, allocations: 1.927 MB / 0.9298 GB, free: 33.38 MB / 0.6042 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006388/0.2511, allocations: 5.574 MB / 0.9353 GB, free: 27.74 MB / 0.6042 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001838/0.2529, allocations: 1.126 MB / 0.9364 GB, free: 26.61 MB / 0.6042 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001404/0.2544, allocations: 1.094 MB / 0.9374 GB, free: 25.51 MB / 0.6042 GB Notification: Performance of NFPackage.collectConstants: time 0.0002575/0.2546, allocations: 152 kB / 0.9376 GB, free: 25.36 MB / 0.6042 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000813/0.2555, allocations: 347.6 kB / 0.9379 GB, free: 25.02 MB / 0.6042 GB Notification: Performance of NFScalarize.scalarize: time 0.0006551/0.2561, allocations: 1.068 MB / 0.939 GB, free: 23.95 MB / 0.6042 GB Notification: Performance of NFVerifyModel.verify: time 0.00042/0.2565, allocations: 0.5278 MB / 0.9395 GB, free: 23.42 MB / 0.6042 GB Notification: Performance of NFConvertDAE.convert: time 0.002917/0.2595, allocations: 4.461 MB / 0.9438 GB, free: 18.95 MB / 0.6042 GB Notification: Performance of FrontEnd - DAE generated: time 5.28e-06/0.2595, allocations: 0 / 0.9438 GB, free: 18.95 MB / 0.6042 GB Notification: Performance of FrontEnd: time 4.208e-06/0.2595, allocations: 0 / 0.9438 GB, free: 18.95 MB / 0.6042 GB Notification: Performance of Transformations before backend: time 0.0001184/0.2597, allocations: 3.938 kB / 0.9438 GB, free: 18.94 MB / 0.6042 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 652 * Number of variables: 652 Notification: Performance of Generate backend data structure: time 0.004677/0.2643, allocations: 2.423 MB / 0.9462 GB, free: 16.45 MB / 0.6042 GB Notification: Performance of prepare preOptimizeDAE: time 4.456e-05/0.2644, allocations: 8.031 kB / 0.9462 GB, free: 16.44 MB / 0.6042 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006986/0.2651, allocations: 382.6 kB / 0.9466 GB, free: 16.05 MB / 0.6042 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002722/0.2678, allocations: 0.5355 MB / 0.9471 GB, free: 15.52 MB / 0.6042 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003013/0.2709, allocations: 1.474 MB / 0.9485 GB, free: 14 MB / 0.6042 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001413/0.271, allocations: 210.7 kB / 0.9487 GB, free: 13.78 MB / 0.6042 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004616/0.2715, allocations: 251.9 kB / 0.949 GB, free: 13.54 MB / 0.6042 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006804/0.2783, allocations: 3.858 MB / 0.9527 GB, free: 9.602 MB / 0.6042 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.231e-05/0.2784, allocations: 0 / 0.9527 GB, free: 9.602 MB / 0.6042 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002637/0.2787, allocations: 104 kB / 0.9528 GB, free: 9.5 MB / 0.6042 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004482/0.2792, allocations: 192.9 kB / 0.953 GB, free: 9.309 MB / 0.6042 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005546/0.2847, allocations: 3.115 MB / 0.9561 GB, free: 6.18 MB / 0.6042 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01862/0.3034, allocations: 13.76 MB / 0.9695 GB, free: 7.285 MB / 0.6198 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00137/0.3048, allocations: 0.7634 MB / 0.9702 GB, free: 6.52 MB / 0.6198 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001462/0.305, allocations: 89.55 kB / 0.9703 GB, free: 6.414 MB / 0.6198 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007653/0.3057, allocations: 0.5987 MB / 0.9709 GB, free: 5.758 MB / 0.6198 GB Notification: Performance of pre-optimization done (n=56): time 3.417e-06/0.3058, allocations: 0 / 0.9709 GB, free: 5.758 MB / 0.6198 GB Notification: Performance of matching and sorting (n=78): time 0.02571/0.3315, allocations: 8.94 MB / 0.9796 GB, free: 12.62 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002078/0.3317, allocations: 406.2 kB / 0.98 GB, free: 12.13 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001836/0.3336, allocations: 1.238 MB / 0.9812 GB, free: 10.88 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 0.0001569/0.3337, allocations: 45.64 kB / 0.9813 GB, free: 10.83 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.001319/0.3351, allocations: 1.243 MB / 0.9825 GB, free: 9.566 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003555/0.3354, allocations: 284.2 kB / 0.9828 GB, free: 9.285 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.552e-05/0.3355, allocations: 32 kB / 0.9828 GB, free: 9.254 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0001889/0.3357, allocations: 369.9 kB / 0.9832 GB, free: 8.887 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001328/0.3371, allocations: 0.7495 MB / 0.9839 GB, free: 8.137 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001828/0.3389, allocations: 1.453 MB / 0.9853 GB, free: 6.355 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001448/0.3404, allocations: 1.103 MB / 0.9864 GB, free: 5.238 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.228e-05/0.3404, allocations: 8 kB / 0.9864 GB, free: 5.23 MB / 0.6355 GB Notification: Performance of matching and sorting (n=192) (initialization): time 0.008398/0.3488, allocations: 3.559 MB / 0.9899 GB, free: 1.637 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 0.0042/0.353, allocations: 9.191 MB / 0.9988 GB, free: 7.715 MB / 0.6511 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.219e-05/0.3531, allocations: 24 kB / 0.9989 GB, free: 7.691 MB / 0.6511 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.006205/0.3594, allocations: 1.427 MB / 1 GB, free: 6.25 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001262/0.3607, allocations: 303.5 kB / 1.001 GB, free: 5.953 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01546/0.3761, allocations: 10.99 MB / 1.011 GB, free: 10.43 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001802/0.378, allocations: 147.6 kB / 1.011 GB, free: 10.29 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001636/0.3782, allocations: 83.98 kB / 1.011 GB, free: 10.2 MB / 0.6667 GB Notification: Performance of prepare postOptimizeDAE: time 1.173e-05/0.3782, allocations: 4 kB / 1.012 GB, free: 10.2 MB / 0.6667 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.006772/0.385, allocations: 3.023 MB / 1.014 GB, free: 7.156 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.08e-05/0.3851, allocations: 24 kB / 1.014 GB, free: 7.133 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003763/0.3889, allocations: 0.9419 MB / 1.015 GB, free: 6.184 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001372/0.3902, allocations: 335.4 kB / 1.016 GB, free: 5.855 MB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008821/0.3991, allocations: 6.095 MB / 1.022 GB, free: 15.5 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001589/0.4007, allocations: 131.6 kB / 1.022 GB, free: 15.37 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001413/0.4009, allocations: 76 kB / 1.022 GB, free: 15.29 MB / 0.6823 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 105 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition1,$whenCondition2,$PRE.load_ctrl.vCTRL_1.ctrl.connected,load_ctrl.vCTRL_1.ctrl.connected,$PRE.load_ctrl.vCTRL_1.ctrl.tSwitch,load_ctrl.vCTRL_1.ctrl.tSwitch) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (162): * Single equations (assignments): 156 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(2,100.0%) 6,(2,100.0%) 6} * Non-linear torn systems: 2 {2 6,2 6} Notification: Performance of prepare postOptimizeDAE: time 0.001886/0.4028, allocations: 1.107 MB / 1.023 GB, free: 14.17 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003203/0.4031, allocations: 134.5 kB / 1.023 GB, free: 14.04 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006926/0.41, allocations: 2.585 MB / 1.026 GB, free: 11.41 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.838e-05/0.4101, allocations: 15.89 kB / 1.026 GB, free: 11.4 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.115e-05/0.4101, allocations: 4 kB / 1.026 GB, free: 11.39 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.601e-05/0.4102, allocations: 7.984 kB / 1.026 GB, free: 11.39 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01139/0.4216, allocations: 5.12 MB / 1.031 GB, free: 6.168 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.055e-05/0.4216, allocations: 3.984 kB / 1.031 GB, free: 6.164 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004776/0.4221, allocations: 91.88 kB / 1.031 GB, free: 6.074 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.005332/0.4274, allocations: 1.326 MB / 1.032 GB, free: 4.734 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001253/0.4276, allocations: 24 kB / 1.032 GB, free: 4.711 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01398/0.4416, allocations: 10.66 MB / 1.042 GB, free: 9.52 MB / 0.698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.114e-06/0.4416, allocations: 3.938 kB / 1.042 GB, free: 9.516 MB / 0.698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008497/0.4501, allocations: 3.702 MB / 1.046 GB, free: 5.707 MB / 0.698 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009347/0.4511, allocations: 319.5 kB / 1.046 GB, free: 5.375 MB / 0.698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003949/0.4515, allocations: 20 kB / 1.046 GB, free: 5.355 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001218/0.4528, allocations: 79.89 kB / 1.046 GB, free: 5.277 MB / 0.698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003783/0.4532, allocations: 84.41 kB / 1.047 GB, free: 5.195 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.016e-05/0.4533, allocations: 20 kB / 1.047 GB, free: 5.176 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.00172/0.455, allocations: 0.8268 MB / 1.047 GB, free: 4.344 MB / 0.698 GB Notification: Performance of sort global known variables: time 3.4e-07/0.455, allocations: 0 / 1.047 GB, free: 4.344 MB / 0.698 GB Notification: Performance of remove unused functions: time 0.004873/0.4599, allocations: 0.8906 MB / 1.048 GB, free: 3.453 MB / 0.698 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 1 (load_ctrl.vCTRL_1.y) * Number of discrete variables: 4 ($whenCondition1,$whenCondition2,load_ctrl.vCTRL_1.ctrl.connected,load_ctrl.vCTRL_1.ctrl.tSwitch) * Number of discrete states: 4 ($whenCondition2,load_ctrl.vCTRL_1.ctrl.connected,load_ctrl.vCTRL_1.ctrl.tSwitch,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (48): * Single equations (assignments): 43 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 2 {(2,100.0%) 6,(2,100.0%) 6} * Non-linear torn systems: 2 {2 6,2 6} Notification: Performance of Backend phase and start with SimCode phase: time 0.4193/0.8792, allocations: 4.911 MB / 1.053 GB, free: 135.2 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.008694/0.8879, allocations: 4.437 MB / 1.057 GB, free: 134.2 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 1.004e-05/0.888, allocations: 0 / 1.057 GB, free: 134.2 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.003548/0.8915, allocations: 1.598 MB / 1.059 GB, free: 133.6 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001652/0.8932, allocations: 331.9 kB / 1.059 GB, free: 133.6 MB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0296/0.9228, allocations: 28.4 MB / 1.087 GB, free: 113.9 MB / 0.698 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001993/0.9249, allocations: 2.068 MB / 1.089 GB, free: 113.2 MB / 0.698 GB Notification: Performance of simCode: alias equations: time 0.002277/0.9272, allocations: 0.6648 MB / 1.09 GB, free: 113.2 MB / 0.698 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008737/0.928, allocations: 0.8105 MB / 1.09 GB, free: 113.1 MB / 0.698 GB Notification: Performance of SimCode: time 1.112e-06/0.9281, allocations: 0 / 1.09 GB, free: 113.1 MB / 0.698 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06379/0.9918, allocations: 45.99 MB / 1.135 GB, free: 79.48 MB / 0.698 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001548/0.9921, allocations: 252 kB / 1.136 GB, free: 79.2 MB / 0.698 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.949/3.941, allocations: 4 kB / 1.136 GB, free: 79.2 MB / 0.698 GB (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.LoadCtrl.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.LoadCtrl.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.LoadCtrl.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.LoadCtrl.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Loads_Examples_LoadCtrl_fmu --startTime=0 --stopTime=10 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Loads_Examples_LoadCtrl.fmu > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.LoadCtrl.pipe 2>&1)