Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) 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) 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 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(Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter") translateModel(Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001206/0.001206, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001413/0.001413, allocations: 195.9 kB / 16.14 MB, free: 6.703 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.076/2.076, allocations: 205.1 MB / 222 MB, free: 4.988 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.737/1.737, allocations: 251.6 MB / 0.5088 GB, free: 3.289 MB / 414.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001456/0.001456, allocations: 67.91 kB / 0.6216 GB, free: 1.992 MB / 0.5137 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.742/0.7435, allocations: 104.7 MB / 0.7238 GB, free: 13.18 MB / 0.545 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter): time 0.007401/0.751, allocations: 3.392 MB / 0.7271 GB, free: 9.77 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.005074/0.7561, allocations: 2.222 MB / 0.7293 GB, free: 7.535 MB / 0.545 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002982/0.7565, allocations: 7.938 kB / 0.7293 GB, free: 7.527 MB / 0.545 GB Notification: Performance of NFTyping.typeComponents: time 0.001245/0.7578, allocations: 263.1 kB / 0.7296 GB, free: 7.27 MB / 0.545 GB Notification: Performance of NFTyping.typeBindings: time 0.0009103/0.7587, allocations: 227.1 kB / 0.7298 GB, free: 7.047 MB / 0.545 GB Notification: Performance of NFTyping.typeClassSections: time 0.001229/0.76, allocations: 258.2 kB / 0.73 GB, free: 6.797 MB / 0.545 GB Notification: Performance of NFFlatten.flatten: time 0.001038/0.761, allocations: 0.5376 MB / 0.7305 GB, free: 6.258 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006133/0.7617, allocations: 162.8 kB / 0.7307 GB, free: 6.102 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0004203/0.7621, allocations: 139.4 kB / 0.7308 GB, free: 5.965 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004906/0.7626, allocations: 183.3 kB / 0.731 GB, free: 5.785 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 4.688e-05/0.7627, allocations: 16 kB / 0.731 GB, free: 5.77 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001235/0.7639, allocations: 0.4912 MB / 0.7315 GB, free: 5.277 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.0001365/0.7641, allocations: 91.77 kB / 0.7316 GB, free: 5.188 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.0002018/0.7643, allocations: 127.3 kB / 0.7317 GB, free: 5.062 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.0009637/0.7652, allocations: 0.5258 MB / 0.7322 GB, free: 4.535 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 1.137e-05/0.7653, allocations: 3.938 kB / 0.7322 GB, free: 4.531 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.223e-06/0.7653, allocations: 3.938 kB / 0.7322 GB, free: 4.527 MB / 0.545 GB Notification: Performance of Transformations before backend: time 1.213e-05/0.7653, allocations: 8 kB / 0.7322 GB, free: 4.52 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: 63 * Number of variables: 63 Notification: Performance of Generate backend data structure: time 0.001546/0.7669, allocations: 0.608 MB / 0.7328 GB, free: 3.863 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 6.951e-05/0.7669, allocations: 8.031 kB / 0.7328 GB, free: 3.855 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001192/0.7681, allocations: 116.5 kB / 0.7329 GB, free: 3.742 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005793/0.7687, allocations: 267.8 kB / 0.7332 GB, free: 3.441 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.778e-05/0.7688, allocations: 16.81 kB / 0.7332 GB, free: 3.422 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.479e-05/0.7688, allocations: 28.36 kB / 0.7332 GB, free: 3.395 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001138/0.77, allocations: 415.8 kB / 0.7336 GB, free: 2.957 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.018e-05/0.77, allocations: 3.938 kB / 0.7336 GB, free: 2.953 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.028e-05/0.7701, allocations: 12 kB / 0.7337 GB, free: 2.941 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.207e-05/0.7701, allocations: 36.55 kB / 0.7337 GB, free: 2.906 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007519/0.7709, allocations: 345.9 kB / 0.734 GB, free: 2.57 MB / 0.545 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003815/0.7747, allocations: 2.058 MB / 0.736 GB, free: 332 kB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001154/0.7759, allocations: 349 kB / 0.7364 GB, free: 15.96 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004676/0.7764, allocations: 193.6 kB / 0.7366 GB, free: 15.77 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001472/0.7766, allocations: 85.11 kB / 0.7366 GB, free: 15.67 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.223e-05/0.7766, allocations: 34.56 kB / 0.7367 GB, free: 15.62 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=22): time 4.178e-06/0.7766, allocations: 0 / 0.7367 GB, free: 15.62 MB / 0.5606 GB Notification: Performance of matching and sorting (n=34): time 0.005824/0.7825, allocations: 1.574 MB / 0.7382 GB, free: 14.02 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001154/0.7826, allocations: 88.98 kB / 0.7383 GB, free: 13.91 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000394/0.783, allocations: 241 kB / 0.7385 GB, free: 13.66 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 4.14e-05/0.7831, allocations: 33.64 kB / 0.7385 GB, free: 13.62 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002227/0.7833, allocations: 180.1 kB / 0.7387 GB, free: 13.45 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001395/0.7834, allocations: 118.3 kB / 0.7388 GB, free: 13.33 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001856/0.7836, allocations: 82.03 kB / 0.7389 GB, free: 13.24 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0002541/0.7839, allocations: 334.8 kB / 0.7392 GB, free: 12.91 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005395/0.7844, allocations: 198.5 kB / 0.7394 GB, free: 12.71 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005926/0.785, allocations: 297.1 kB / 0.7397 GB, free: 12.38 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001208/0.7863, allocations: 0.5157 MB / 0.7402 GB, free: 11.82 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.385e-06/0.7863, allocations: 0 / 0.7402 GB, free: 11.82 MB / 0.5606 GB Notification: Performance of matching and sorting (n=49) (initialization): time 0.001757/0.7881, allocations: 0.6602 MB / 0.7409 GB, free: 11.14 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 3.132e-05/0.7881, allocations: 4 kB / 0.7409 GB, free: 11.13 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.494e-05/0.7882, allocations: 4 kB / 0.7409 GB, free: 11.13 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008084/0.789, allocations: 143.5 kB / 0.741 GB, free: 10.98 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004581/0.7894, allocations: 95.81 kB / 0.7411 GB, free: 10.88 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004818/0.7943, allocations: 3.946 MB / 0.7449 GB, free: 6.613 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004486/0.7948, allocations: 40 kB / 0.745 GB, free: 6.574 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.509e-05/0.7948, allocations: 23.98 kB / 0.745 GB, free: 6.551 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007864/0.7956, allocations: 316.9 kB / 0.7453 GB, free: 6.238 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005419/0.7962, allocations: 305 kB / 0.7456 GB, free: 5.895 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0009774/0.7972, allocations: 0.5113 MB / 0.7461 GB, free: 5.34 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.102e-06/0.7972, allocations: 0 / 0.7461 GB, free: 5.34 MB / 0.5606 GB Notification: Performance of matching and sorting (n=49) (initialization_lambda0): time 0.001508/0.7987, allocations: 0.6524 MB / 0.7467 GB, free: 4.668 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 3.235e-05/0.7987, allocations: 8 kB / 0.7467 GB, free: 4.66 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.618e-06/0.7988, allocations: 4 kB / 0.7467 GB, free: 4.656 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004903/0.7993, allocations: 147.6 kB / 0.7469 GB, free: 4.5 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004554/0.7997, allocations: 95.88 kB / 0.747 GB, free: 4.406 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005065/0.8048, allocations: 3.946 MB / 0.7508 GB, free: 148 kB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004622/0.8053, allocations: 39.95 kB / 0.7509 GB, free: 108 kB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.336e-05/0.8053, allocations: 16 kB / 0.7509 GB, free: 92 kB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * 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 (45): * Single equations (assignments): 41 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,1), (1,1)} Notification: Performance of prepare postOptimizeDAE: time 0.0003272/0.8057, allocations: 204.1 kB / 0.7511 GB, free: 15.88 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.981e-05/0.8058, allocations: 23.81 kB / 0.7511 GB, free: 15.86 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001422/0.8072, allocations: 0.609 MB / 0.7517 GB, free: 15.23 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.694e-05/0.8073, allocations: 7.938 kB / 0.7517 GB, free: 15.22 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.115e-06/0.8073, allocations: 8 kB / 0.7517 GB, free: 15.21 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.054e-06/0.8073, allocations: 0 / 0.7517 GB, free: 15.21 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002866/0.8102, allocations: 1.319 MB / 0.753 GB, free: 13.79 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.308e-06/0.8102, allocations: 4 kB / 0.753 GB, free: 13.78 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002504/0.8105, allocations: 55.95 kB / 0.7531 GB, free: 13.73 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005143/0.811, allocations: 155.5 kB / 0.7532 GB, free: 13.56 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.69e-05/0.8111, allocations: 16 kB / 0.7532 GB, free: 13.55 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004391/0.8155, allocations: 3.961 MB / 0.7571 GB, free: 9.266 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.584e-06/0.8155, allocations: 7.938 kB / 0.7571 GB, free: 9.258 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001661/0.8172, allocations: 0.7693 MB / 0.7578 GB, free: 8.434 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002017/0.8174, allocations: 140.7 kB / 0.758 GB, free: 8.277 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.137e-05/0.8174, allocations: 8 kB / 0.758 GB, free: 8.27 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003115/0.8178, allocations: 31.97 kB / 0.758 GB, free: 8.238 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001291/0.8179, allocations: 43.83 kB / 0.7581 GB, free: 8.195 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.395e-05/0.8179, allocations: 8 kB / 0.7581 GB, free: 8.188 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0002211/0.8182, allocations: 172.5 kB / 0.7582 GB, free: 8.023 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.21e-07/0.8182, allocations: 0 / 0.7582 GB, free: 8.023 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.0009478/0.8191, allocations: 164 kB / 0.7584 GB, free: 7.863 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * 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 (31): * Single equations (assignments): 27 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,2), (1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003354/0.8195, allocations: 131.2 kB / 0.7585 GB, free: 7.723 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.002652/0.8221, allocations: 1.23 MB / 0.7597 GB, free: 6.441 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 5.13e-06/0.8222, allocations: 3.938 kB / 0.7597 GB, free: 6.438 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.0007825/0.8229, allocations: 485.2 kB / 0.7602 GB, free: 5.938 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006351/0.8236, allocations: 67.64 kB / 0.7602 GB, free: 5.875 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001649/0.8253, allocations: 0.8869 MB / 0.7611 GB, free: 4.938 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004955/0.8258, allocations: 0.8045 MB / 0.7619 GB, free: 4.105 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.0003722/0.8261, allocations: 118.9 kB / 0.762 GB, free: 3.988 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.327e-05/0.8262, allocations: 27.44 kB / 0.762 GB, free: 3.961 MB / 0.5762 GB Notification: Performance of SimCode: time 2.41e-07/0.8262, allocations: 0 / 0.762 GB, free: 3.961 MB / 0.5762 GB Notification: Performance of Templates: time 0.01272/0.839, allocations: 6.012 MB / 0.7679 GB, free: 13.99 MB / 0.5919 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.makefile (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.sim & ./Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Electrical.AC.OnePhase.Conversion.Examples.ACDCConverter.pipe 2>&1)