Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad.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: translateModel(BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad") translateModel(BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001319/0.001319, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001354/0.001355, allocations: 190.5 kB / 16.25 MB, free: 6.637 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.47/1.47, allocations: 222.9 MB / 239.9 MB, free: 4.512 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002622/0.002622, allocations: 283.1 kB / 290.4 MB, free: 2.121 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.152/1.152, allocations: 178.6 MB / 0.507 GB, free: 4.75 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002773/0.002773, allocations: 96.62 kB / 0.6059 GB, free: 25.11 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1742/0.177, allocations: 89.15 MB / 0.693 GB, free: 4.691 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad): time 0.006227/0.1833, allocations: 4.118 MB / 0.697 GB, free: 0.5664 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.002711/0.1861, allocations: 1.593 MB / 0.6986 GB, free: 14.97 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000162/0.1862, allocations: 11.94 kB / 0.6986 GB, free: 14.96 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.001554/0.1878, allocations: 0.5466 MB / 0.6991 GB, free: 14.42 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.0005001/0.1883, allocations: 219.1 kB / 0.6993 GB, free: 14.2 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.0005139/0.1888, allocations: 191.7 kB / 0.6995 GB, free: 14.02 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.0006164/0.1895, allocations: 0.5413 MB / 0.7 GB, free: 13.47 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007633/0.1902, allocations: 0.5137 MB / 0.7005 GB, free: 12.96 MB / 0.4981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002751/0.1905, allocations: 231.2 kB / 0.7007 GB, free: 12.73 MB / 0.4981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004134/0.1909, allocations: 267.1 kB / 0.701 GB, free: 12.47 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 6.493e-05/0.191, allocations: 40 kB / 0.701 GB, free: 12.43 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003023/0.1913, allocations: 167.7 kB / 0.7012 GB, free: 12.27 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.0001609/0.1915, allocations: 147.5 kB / 0.7013 GB, free: 12.12 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.0002142/0.1917, allocations: 199.1 kB / 0.7015 GB, free: 11.93 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.0006195/0.1923, allocations: 0.5256 MB / 0.702 GB, free: 11.4 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 3.687e-06/0.1924, allocations: 0 / 0.702 GB, free: 11.4 MB / 0.4981 GB Notification: Performance of FrontEnd: time 1.153e-06/0.1924, allocations: 0 / 0.702 GB, free: 11.4 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 7.233e-06/0.1924, allocations: 0 / 0.702 GB, free: 11.4 MB / 0.4981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 90 * Number of variables: 90 Notification: Performance of Generate backend data structure: time 0.001313/0.1937, allocations: 0.6787 MB / 0.7027 GB, free: 10.67 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 3.963e-05/0.1937, allocations: 12.03 kB / 0.7027 GB, free: 10.66 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007415/0.1945, allocations: 108.4 kB / 0.7028 GB, free: 10.55 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004134/0.1949, allocations: 291.7 kB / 0.7031 GB, free: 10.23 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.539e-05/0.195, allocations: 67.19 kB / 0.7032 GB, free: 10.16 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.831e-05/0.1951, allocations: 28.38 kB / 0.7032 GB, free: 10.13 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009046/0.196, allocations: 0.497 MB / 0.7037 GB, free: 9.617 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.665e-05/0.196, allocations: 4 kB / 0.7037 GB, free: 9.613 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.438e-05/0.1961, allocations: 19.94 kB / 0.7037 GB, free: 9.594 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.199e-05/0.1961, allocations: 32.97 kB / 0.7037 GB, free: 9.559 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007499/0.1969, allocations: 379.7 kB / 0.7041 GB, free: 9.188 MB / 0.4981 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00274/0.1996, allocations: 2.216 MB / 0.7063 GB, free: 6.738 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007392/0.2004, allocations: 266.6 kB / 0.7065 GB, free: 6.469 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004136/0.2008, allocations: 148.8 kB / 0.7066 GB, free: 6.32 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 3.409e-05/0.2009, allocations: 7.984 kB / 0.7067 GB, free: 6.312 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.448e-05/0.2009, allocations: 42.5 kB / 0.7067 GB, free: 6.262 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=19): time 1.873e-06/0.2009, allocations: 0 / 0.7067 GB, free: 6.262 MB / 0.4981 GB Notification: Performance of matching and sorting (n=19): time 0.001579/0.2025, allocations: 0.5694 MB / 0.7073 GB, free: 5.645 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.167e-05/0.2025, allocations: 55.41 kB / 0.7073 GB, free: 5.578 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002601/0.2028, allocations: 225 kB / 0.7075 GB, free: 5.352 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 3.308e-05/0.2028, allocations: 33.7 kB / 0.7076 GB, free: 5.312 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001584/0.203, allocations: 211.6 kB / 0.7078 GB, free: 5.102 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 5.685e-05/0.2031, allocations: 63.11 kB / 0.7078 GB, free: 5.039 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000108/0.2032, allocations: 57.59 kB / 0.7079 GB, free: 4.977 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 0.0001579/0.2034, allocations: 326.8 kB / 0.7082 GB, free: 4.648 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000232/0.2036, allocations: 96.8 kB / 0.7083 GB, free: 4.551 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002981/0.2039, allocations: 179.1 kB / 0.7084 GB, free: 4.336 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005133/0.2044, allocations: 279.4 kB / 0.7087 GB, free: 4.031 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.394e-06/0.2044, allocations: 0 / 0.7087 GB, free: 4.031 MB / 0.4981 GB Notification: Performance of matching and sorting (n=30) (initialization): time 0.0009294/0.2054, allocations: 374.9 kB / 0.7091 GB, free: 3.652 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 1.834e-05/0.2054, allocations: 4 kB / 0.7091 GB, free: 3.648 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.476e-06/0.2054, allocations: 7.938 kB / 0.7091 GB, free: 3.641 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000533/0.206, allocations: 117.7 kB / 0.7092 GB, free: 3.52 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002152/0.2062, allocations: 51.91 kB / 0.7092 GB, free: 3.469 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00369/0.2099, allocations: 3.046 MB / 0.7122 GB, free: 136 kB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002833/0.2102, allocations: 31.69 kB / 0.7122 GB, free: 104 kB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.436e-05/0.2102, allocations: 11.98 kB / 0.7123 GB, free: 92 kB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004528/0.2107, allocations: 224.2 kB / 0.7125 GB, free: 15.86 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002982/0.211, allocations: 176.3 kB / 0.7126 GB, free: 15.65 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005122/0.2115, allocations: 267 kB / 0.7129 GB, free: 15.36 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.874e-06/0.2115, allocations: 0 / 0.7129 GB, free: 15.36 MB / 0.5137 GB Notification: Performance of matching and sorting (n=30) (initialization_lambda0): time 0.0008266/0.2124, allocations: 356.2 kB / 0.7132 GB, free: 15 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 1.609e-05/0.2124, allocations: 7.938 kB / 0.7132 GB, free: 15 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.18e-06/0.2124, allocations: 4 kB / 0.7132 GB, free: 14.99 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003409/0.2127, allocations: 76.91 kB / 0.7133 GB, free: 14.91 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000221/0.213, allocations: 59.91 kB / 0.7134 GB, free: 14.86 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002187/0.2152, allocations: 1.619 MB / 0.715 GB, free: 13.1 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002753/0.2155, allocations: 27.83 kB / 0.715 GB, free: 13.07 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.591e-05/0.2155, allocations: 27.94 kB / 0.715 GB, free: 13.05 MB / 0.5137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * 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 (27): * Single equations (assignments): 25 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,1), (1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0001715/0.2157, allocations: 189.8 kB / 0.7152 GB, free: 12.86 MB / 0.5137 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.68e-05/0.2158, allocations: 23.81 kB / 0.7152 GB, free: 12.83 MB / 0.5137 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001132/0.2159, allocations: 26.17 kB / 0.7152 GB, free: 12.81 MB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.934e-06/0.2159, allocations: 0 / 0.7152 GB, free: 12.81 MB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.856e-06/0.2159, allocations: 4 kB / 0.7152 GB, free: 12.8 MB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.191e-06/0.2159, allocations: 3.938 kB / 0.7152 GB, free: 12.8 MB / 0.5137 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001481/0.2174, allocations: 0.8287 MB / 0.7161 GB, free: 11.89 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.266e-06/0.2174, allocations: 0 / 0.7161 GB, free: 11.89 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001472/0.2176, allocations: 35.98 kB / 0.7161 GB, free: 11.86 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003987/0.218, allocations: 105.6 kB / 0.7162 GB, free: 11.75 MB / 0.5137 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.617e-05/0.218, allocations: 0 / 0.7162 GB, free: 11.75 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003469/0.2215, allocations: 3.031 MB / 0.7192 GB, free: 8.438 MB / 0.5137 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.815e-06/0.2215, allocations: 0 / 0.7192 GB, free: 8.438 MB / 0.5137 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009105/0.2224, allocations: 414.5 kB / 0.7195 GB, free: 8.004 MB / 0.5137 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001552/0.2226, allocations: 116.8 kB / 0.7197 GB, free: 7.871 MB / 0.5137 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.66e-05/0.2227, allocations: 11.98 kB / 0.7197 GB, free: 7.859 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001703/0.2228, allocations: 4 kB / 0.7197 GB, free: 7.855 MB / 0.5137 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001053/0.223, allocations: 23.97 kB / 0.7197 GB, free: 7.832 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.713e-05/0.223, allocations: 8 kB / 0.7197 GB, free: 7.824 MB / 0.5137 GB Notification: Performance of sorting global known variables: time 0.0002135/0.2232, allocations: 164.5 kB / 0.7199 GB, free: 7.668 MB / 0.5137 GB Notification: Performance of sort global known variables: time 1.2e-07/0.2232, allocations: 0 / 0.7199 GB, free: 7.668 MB / 0.5137 GB Notification: Performance of remove unused functions: time 0.0007909/0.224, allocations: 171.4 kB / 0.72 GB, free: 7.5 MB / 0.5137 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * 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 (17): * Single equations (assignments): 15 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,1), (1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0001839/0.2242, allocations: 99.19 kB / 0.7201 GB, free: 7.395 MB / 0.5137 GB Notification: Performance of simCode: created initialization part: time 0.002102/0.2263, allocations: 0.7756 MB / 0.7209 GB, free: 6.582 MB / 0.5137 GB Notification: Performance of simCode: created event and clocks part: time 6.642e-06/0.2263, allocations: 0 / 0.7209 GB, free: 6.582 MB / 0.5137 GB Notification: Performance of simCode: created simulation system equations: time 0.0008172/0.2272, allocations: 380.1 kB / 0.7212 GB, free: 6.188 MB / 0.5137 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004852/0.2277, allocations: 60.09 kB / 0.7213 GB, free: 6.129 MB / 0.5137 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001369/0.229, allocations: 0.7159 MB / 0.722 GB, free: 5.379 MB / 0.5137 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005573/0.2296, allocations: 0.8145 MB / 0.7228 GB, free: 4.539 MB / 0.5137 GB Notification: Performance of simCode: alias equations: time 0.0002398/0.2299, allocations: 62.22 kB / 0.7228 GB, free: 4.477 MB / 0.5137 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 5.917e-05/0.2299, allocations: 19.44 kB / 0.7229 GB, free: 4.457 MB / 0.5137 GB Notification: Performance of SimCode: time 8.01e-07/0.2299, allocations: 3.938 kB / 0.7229 GB, free: 4.453 MB / 0.5137 GB Notification: Performance of Templates: time 0.01007/0.24, allocations: 4.555 MB / 0.7273 GB, free: 15.93 MB / 0.5294 GB make -j1 -f BuildingSystems_BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad.makefile (rm -f BuildingSystems_BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad.sim & ./BuildingSystems_BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.DC.Loads.Examples.LinearizedLoad.pipe 2>&1)