Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable.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.Fluid.Actuators.Valves.Examples.TwoWayValveTable,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable") translateModel(BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001077/0.001077, allocations: 110.2 kB / 16.37 MB, free: 6.004 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001087/0.001087, allocations: 197.1 kB / 17.31 MB, free: 5.617 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.254/1.254, allocations: 222.9 MB / 241 MB, free: 15.21 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.00202/0.00202, allocations: 292.8 kB / 291.4 MB, free: 14.49 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9015/0.9015, allocations: 169.3 MB / 0.4989 GB, free: 4.453 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001684/0.001684, allocations: 98.97 kB / 0.5967 GB, free: 14.42 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1557/0.1574, allocations: 86.98 MB / 0.6816 GB, free: 7.43 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable): time 0.2928/0.4502, allocations: 17.44 MB / 0.6986 GB, free: 9.219 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.006854/0.4571, allocations: 4.91 MB / 0.7034 GB, free: 5.797 MB / 494.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007027/0.4579, allocations: 17.75 kB / 0.7035 GB, free: 5.789 MB / 494.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0008318/0.4587, allocations: 247.2 kB / 0.7037 GB, free: 5.645 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001502/0.4603, allocations: 0.61 MB / 0.7043 GB, free: 5.293 MB / 494.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001988/0.4623, allocations: 0.7395 MB / 0.705 GB, free: 4.93 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 0.001193/0.4635, allocations: 0.9657 MB / 0.706 GB, free: 4.492 MB / 494.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.000474/0.464, allocations: 337 kB / 0.7063 GB, free: 4.348 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0006967/0.4647, allocations: 427.1 kB / 0.7067 GB, free: 4.152 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0004243/0.4651, allocations: 310.9 kB / 0.707 GB, free: 4.016 MB / 494.1 MB Notification: Performance of NFPackage.collectConstants: time 6.254e-05/0.4652, allocations: 30.19 kB / 0.707 GB, free: 4.016 MB / 494.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001395/0.4666, allocations: 0.7242 MB / 0.7077 GB, free: 3.777 MB / 494.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001664/0.4667, allocations: 133.1 kB / 0.7078 GB, free: 3.715 MB / 494.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002187/0.467, allocations: 241.7 kB / 0.7081 GB, free: 3.57 MB / 494.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001336/0.4683, allocations: 0.884 MB / 0.7089 GB, free: 3.246 MB / 494.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.867e-06/0.4683, allocations: 4.781 kB / 0.7089 GB, free: 3.242 MB / 494.1 MB Notification: Performance of FrontEnd: time 1.683e-06/0.4683, allocations: 0 / 0.7089 GB, free: 3.242 MB / 494.1 MB Notification: Performance of Transformations before backend: time 9.498e-06/0.4684, allocations: 1.094 kB / 0.7089 GB, free: 3.242 MB / 494.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 60 * Number of variables: 60 Notification: Performance of Generate backend data structure: time 0.001202/0.4696, allocations: 0.8791 MB / 0.7098 GB, free: 2.559 MB / 494.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.08e-05/0.4696, allocations: 9.609 kB / 0.7098 GB, free: 2.559 MB / 494.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000171/0.4698, allocations: 60.8 kB / 0.7099 GB, free: 2.531 MB / 494.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007162/0.4705, allocations: 464.8 kB / 0.7103 GB, free: 2.199 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.025e-05/0.4706, allocations: 25.06 kB / 0.7103 GB, free: 2.188 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.949e-05/0.4706, allocations: 28.28 kB / 0.7104 GB, free: 2.18 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005115/0.4711, allocations: 285 kB / 0.7106 GB, free: 2.031 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.242e-05/0.4711, allocations: 3.938 kB / 0.7106 GB, free: 2.027 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.238e-05/0.4712, allocations: 7.172 kB / 0.7106 GB, free: 2.023 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.027e-06/0.4712, allocations: 6.281 kB / 0.7106 GB, free: 2.023 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004313/0.4716, allocations: 194.1 kB / 0.7108 GB, free: 1.961 MB / 494.1 MB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001888/0.4735, allocations: 1.474 MB / 0.7123 GB, free: 0.8477 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0003454/0.4739, allocations: 157 kB / 0.7124 GB, free: 0.7812 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001801/0.4741, allocations: 93.06 kB / 0.7125 GB, free: 0.7422 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.001571/0.4757, allocations: 1.274 MB / 0.7138 GB, free: 15.51 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.155e-05/0.4757, allocations: 31.95 kB / 0.7138 GB, free: 15.47 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=15): time 1.353e-06/0.4757, allocations: 0 / 0.7138 GB, free: 15.47 MB / 0.4981 GB Notification: Performance of matching and sorting (n=15): time 0.0006746/0.4764, allocations: 249.9 kB / 0.714 GB, free: 15.37 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.134e-05/0.4765, allocations: 60.56 kB / 0.7141 GB, free: 15.3 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007619/0.4772, allocations: 0.5811 MB / 0.7146 GB, free: 15.05 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 2.753e-05/0.4773, allocations: 34.83 kB / 0.7147 GB, free: 15.01 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002175/0.4775, allocations: 277.6 kB / 0.7149 GB, free: 14.79 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 4.198e-05/0.4776, allocations: 47.84 kB / 0.715 GB, free: 14.75 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001187/0.4777, allocations: 73.14 kB / 0.7151 GB, free: 14.71 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 0.0001618/0.4778, allocations: 358.1 kB / 0.7154 GB, free: 14.38 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001995/0.4781, allocations: 79.77 kB / 0.7155 GB, free: 14.35 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002884/0.4783, allocations: 209.4 kB / 0.7157 GB, free: 14.18 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004415/0.4788, allocations: 235 kB / 0.7159 GB, free: 14.03 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.797e-06/0.4788, allocations: 1 kB / 0.7159 GB, free: 14.03 MB / 0.4981 GB Notification: Performance of matching and sorting (n=33) (initialization): time 0.0006747/0.4795, allocations: 313 kB / 0.7162 GB, free: 13.89 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 2.604e-05/0.4795, allocations: 12.56 kB / 0.7162 GB, free: 13.89 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.895e-06/0.4795, allocations: 7.156 kB / 0.7162 GB, free: 13.89 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.327e-05/0.4796, allocations: 6.969 kB / 0.7162 GB, free: 13.89 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002669/0.4798, allocations: 64.66 kB / 0.7163 GB, free: 13.88 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.179e-05/0.4799, allocations: 5.797 kB / 0.7163 GB, free: 13.88 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003212/0.4802, allocations: 40.38 kB / 0.7163 GB, free: 13.86 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.429e-05/0.4802, allocations: 16.5 kB / 0.7163 GB, free: 13.86 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003274/0.4806, allocations: 214.6 kB / 0.7166 GB, free: 13.73 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002957/0.4809, allocations: 212.2 kB / 0.7168 GB, free: 13.56 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003938/0.4813, allocations: 227.3 kB / 0.717 GB, free: 13.41 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.124e-06/0.4813, allocations: 1.375 kB / 0.717 GB, free: 13.41 MB / 0.4981 GB Notification: Performance of matching and sorting (n=33) (initialization_lambda0): time 0.0005705/0.4819, allocations: 310.7 kB / 0.7173 GB, free: 13.28 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 9.468e-06/0.4819, allocations: 5.531 kB / 0.7173 GB, free: 13.28 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.998e-06/0.4819, allocations: 7.547 kB / 0.7173 GB, free: 13.28 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.286e-06/0.4819, allocations: 11.45 kB / 0.7173 GB, free: 13.27 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002295/0.4822, allocations: 64.23 kB / 0.7174 GB, free: 13.26 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.534e-06/0.4822, allocations: 4.219 kB / 0.7174 GB, free: 13.26 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003291/0.4825, allocations: 35.11 kB / 0.7174 GB, free: 13.25 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.477e-05/0.4825, allocations: 15.86 kB / 0.7174 GB, free: 13.25 MB / 0.4981 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 (33): * Single equations (assignments): 33 * 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 0.0001566/0.4827, allocations: 199.4 kB / 0.7176 GB, free: 13.05 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.884e-05/0.4828, allocations: 53.94 kB / 0.7176 GB, free: 13.02 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006337/0.4834, allocations: 254.7 kB / 0.7179 GB, free: 12.91 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.025e-05/0.4835, allocations: 3.031 kB / 0.7179 GB, free: 12.91 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.601e-06/0.4835, allocations: 1.125 kB / 0.7179 GB, free: 12.91 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.384e-06/0.4835, allocations: 2.016 kB / 0.7179 GB, free: 12.91 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001117/0.4846, allocations: 0.7376 MB / 0.7186 GB, free: 12.42 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.418e-06/0.4846, allocations: 2.875 kB / 0.7186 GB, free: 12.42 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001285/0.4848, allocations: 36.03 kB / 0.7187 GB, free: 12.41 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.007e-06/0.4848, allocations: 2.75 kB / 0.7187 GB, free: 12.41 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.432e-05/0.4848, allocations: 3.5 kB / 0.7187 GB, free: 12.41 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.677e-06/0.4848, allocations: 1.938 kB / 0.7187 GB, free: 12.41 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.337e-06/0.4848, allocations: 7.125 kB / 0.7187 GB, free: 12.41 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004804/0.4853, allocations: 356.1 kB / 0.719 GB, free: 12.17 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001705/0.4855, allocations: 150.4 kB / 0.7192 GB, free: 12.03 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.924e-05/0.4855, allocations: 7.109 kB / 0.7192 GB, free: 12.03 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001931/0.4857, allocations: 9.453 kB / 0.7192 GB, free: 12.03 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.444e-05/0.4858, allocations: 19.88 kB / 0.7192 GB, free: 12.02 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.903e-05/0.4858, allocations: 9.984 kB / 0.7192 GB, free: 12.02 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.0004887/0.4863, allocations: 421.3 kB / 0.7196 GB, free: 11.84 MB / 0.4981 GB Notification: Performance of sort global known variables: time 1.4e-07/0.4863, allocations: 0 / 0.7196 GB, free: 11.84 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.0008372/0.4872, allocations: 227.2 kB / 0.7198 GB, free: 11.79 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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: 2 * 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 0.001092/0.4883, allocations: 0.4991 MB / 0.7203 GB, free: 11.56 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.0007342/0.489, allocations: 316.6 kB / 0.7206 GB, free: 11.48 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 2.585e-06/0.489, allocations: 1.562 kB / 0.7206 GB, free: 11.48 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.0001837/0.4892, allocations: 93.59 kB / 0.7207 GB, free: 11.45 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001117/0.4904, allocations: 259.1 kB / 0.7209 GB, free: 11.36 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001353/0.4917, allocations: 0.8043 MB / 0.7217 GB, free: 10.91 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004797/0.4922, allocations: 0.8446 MB / 0.7226 GB, free: 10.19 MB / 0.4981 GB Notification: Performance of simCode: alias equations: time 0.000356/0.4926, allocations: 101.5 kB / 0.7227 GB, free: 10.16 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.889e-05/0.4927, allocations: 42.77 kB / 0.7227 GB, free: 10.15 MB / 0.4981 GB Notification: Performance of SimCode: time 3e-07/0.4927, allocations: 0 / 0.7227 GB, free: 10.15 MB / 0.4981 GB Notification: Performance of Templates: time 0.01941/0.5121, allocations: 10.2 MB / 0.7327 GB, free: 5.926 MB / 0.4981 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable.sim & ./BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Actuators.Valves.Examples.TwoWayValveTable.pipe 2>&1)