Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Blocks.LimitersHomotopy.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/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/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(ModelicaTest.Blocks.LimitersHomotopy,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|controllerFeedbackPart1.y|controllerFeedbackPart2.y|controllerFeedbackPart3.y|controllerFeedbackPart4.y|controllerFeedbackPart5.y|controllerFeedbackPart6.y|firstOrder1.y|firstOrder2.y|firstOrder3.y|firstOrder4.y|firstOrder5.y|firstOrder6.y",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Blocks.LimitersHomotopy") translateModel(ModelicaTest.Blocks.LimitersHomotopy,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|controllerFeedbackPart1.y|controllerFeedbackPart2.y|controllerFeedbackPart3.y|controllerFeedbackPart4.y|controllerFeedbackPart5.y|controllerFeedbackPart6.y|firstOrder1.y|firstOrder2.y|firstOrder3.y|firstOrder4.y|firstOrder5.y|firstOrder6.y",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Blocks.LimitersHomotopy") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001305/0.001305, allocations: 106.3 kB / 17.98 MB, free: 5.402 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001349/0.001349, allocations: 193.3 kB / 18.9 MB, free: 4.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.279/1.279, allocations: 222.9 MB / 242.6 MB, free: 15.39 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.1959/0.1959, allocations: 44.18 MB / 336.9 MB, free: 2.844 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00126/0.001261, allocations: 60.5 kB / 408.5 MB, free: 27.59 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.124/0.1253, allocations: 60.82 MB / 469.4 MB, free: 14.73 MB / 350.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Blocks.LimitersHomotopy): time 0.00444/0.1298, allocations: 3.041 MB / 472.4 MB, free: 11.66 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.001945/0.1318, allocations: 0.9939 MB / 473.4 MB, free: 10.66 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004066/0.1322, allocations: 11.94 kB / 473.4 MB, free: 10.65 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0001915/0.1324, allocations: 35.58 kB / 473.4 MB, free: 10.61 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0003524/0.1328, allocations: 63.39 kB / 473.5 MB, free: 10.55 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0008711/0.1337, allocations: 326.9 kB / 473.8 MB, free: 10.23 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.0007145/0.1344, allocations: 0.5739 MB / 474.4 MB, free: 9.66 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.000393/0.1348, allocations: 223.8 kB / 474.6 MB, free: 9.438 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003616/0.1352, allocations: 243.1 kB / 474.9 MB, free: 9.199 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003195/0.1355, allocations: 270.6 kB / 475.1 MB, free: 8.934 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001173/0.1356, allocations: 48 kB / 475.2 MB, free: 8.887 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 7.998e-05/0.1357, allocations: 48 kB / 475.2 MB, free: 8.84 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001037/0.1358, allocations: 127.5 kB / 475.3 MB, free: 8.715 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002298/0.1361, allocations: 258.5 kB / 475.6 MB, free: 8.461 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0003923/0.1365, allocations: 363.5 kB / 475.9 MB, free: 8.105 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.02e-06/0.1365, allocations: 0 / 475.9 MB, free: 8.105 MB / 350.1 MB Notification: Performance of FrontEnd: time 2.625e-06/0.1365, allocations: 0 / 475.9 MB, free: 8.105 MB / 350.1 MB Notification: Performance of Transformations before backend: time 2.204e-05/0.1365, allocations: 0 / 475.9 MB, free: 8.105 MB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 109 * Number of variables: 109 Notification: Performance of Generate backend data structure: time 0.001833/0.1383, allocations: 0.943 MB / 476.9 MB, free: 7.113 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.023e-05/0.1384, allocations: 8.031 kB / 476.9 MB, free: 7.105 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001562/0.1386, allocations: 68.19 kB / 477 MB, free: 7.039 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004612/0.139, allocations: 393.7 kB / 477.4 MB, free: 6.613 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.414e-05/0.1391, allocations: 29.38 kB / 477.4 MB, free: 6.586 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.671e-05/0.1392, allocations: 56.28 kB / 477.4 MB, free: 6.531 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001336/0.1405, allocations: 0.6062 MB / 478 MB, free: 5.879 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.579e-05/0.1405, allocations: 3.938 kB / 478 MB, free: 5.875 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.975e-05/0.1406, allocations: 20 kB / 478.1 MB, free: 5.855 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.183e-05/0.1406, allocations: 8 kB / 478.1 MB, free: 5.848 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001497/0.1421, allocations: 0.5111 MB / 478.6 MB, free: 5.336 MB / 350.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002782/0.1449, allocations: 1.808 MB / 480.4 MB, free: 3.445 MB / 350.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001579/0.1465, allocations: 0.6191 MB / 481 MB, free: 2.762 MB / 350.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008101/0.1473, allocations: 325.8 kB / 481.3 MB, free: 2.422 MB / 350.1 MB Notification: Performance of preOpt evalFunc (simulation): time 6.819e-05/0.1474, allocations: 15.97 kB / 481.3 MB, free: 2.406 MB / 350.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.642e-05/0.1474, allocations: 46.5 kB / 481.4 MB, free: 2.352 MB / 350.1 MB Notification: Performance of pre-optimization done (n=43): time 2.134e-06/0.1474, allocations: 0 / 481.4 MB, free: 2.352 MB / 350.1 MB Notification: Performance of matching and sorting (n=43): time 0.002469/0.1499, allocations: 0.7871 MB / 482.2 MB, free: 1.559 MB / 350.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001407/0.1501, allocations: 290.7 kB / 482.5 MB, free: 1.207 MB / 350.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003274/0.1504, allocations: 345.7 kB / 482.8 MB, free: 0.8594 MB / 350.1 MB Notification: Performance of collectPreVariables (initialization): time 4.853e-05/0.1505, allocations: 41.64 kB / 482.8 MB, free: 0.8125 MB / 350.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001713/0.1506, allocations: 256.3 kB / 483.1 MB, free: 0.5586 MB / 350.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001269/0.1508, allocations: 165.6 kB / 483.3 MB, free: 404 kB / 350.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000147/0.1509, allocations: 86.25 kB / 483.3 MB, free: 312 kB / 350.1 MB Notification: Performance of setup shared object (initialization): time 0.0001475/0.1511, allocations: 370.7 kB / 483.7 MB, free: 15.93 MB / 366.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007548/0.1518, allocations: 242.9 kB / 483.9 MB, free: 15.7 MB / 366.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008156/0.1527, allocations: 372.8 kB / 484.3 MB, free: 15.27 MB / 366.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001592/0.1543, allocations: 0.5705 MB / 484.9 MB, free: 14.66 MB / 366.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.188e-06/0.1543, allocations: 4 kB / 484.9 MB, free: 14.65 MB / 366.1 MB Notification: Performance of matching and sorting (n=63) (initialization): time 0.003667/0.158, allocations: 1.125 MB / 486 MB, free: 13.5 MB / 366.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.949e-05/0.158, allocations: 8 kB / 486 MB, free: 13.49 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.788e-06/0.158, allocations: 4 kB / 486 MB, free: 13.49 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001912/0.1599, allocations: 476.9 kB / 486.5 MB, free: 13 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004982/0.1605, allocations: 95.84 kB / 486.6 MB, free: 12.91 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01434/0.1748, allocations: 12.92 MB / 499.5 MB, free: 15.02 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006175/0.1755, allocations: 99.44 kB / 499.6 MB, free: 14.92 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.374e-05/0.1755, allocations: 16 kB / 499.6 MB, free: 14.91 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007595/0.1763, allocations: 325 kB / 499.9 MB, free: 14.59 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007042/0.177, allocations: 336.9 kB / 0.4885 GB, free: 14.2 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001282/0.1783, allocations: 0.5202 MB / 0.489 GB, free: 13.64 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.578e-06/0.1783, allocations: 240 / 0.489 GB, free: 13.64 MB / 382.1 MB Notification: Performance of matching and sorting (n=63) (initialization_lambda0): time 0.002105/0.1805, allocations: 0.7363 MB / 0.4897 GB, free: 12.89 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.363e-05/0.1805, allocations: 6.344 kB / 0.4898 GB, free: 12.88 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.075e-05/0.1805, allocations: 15.91 kB / 0.4898 GB, free: 12.87 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006498/0.1812, allocations: 162.4 kB / 0.4899 GB, free: 12.7 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00069/0.1819, allocations: 175.9 kB / 0.4901 GB, free: 12.53 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004394/0.1863, allocations: 3.824 MB / 0.4938 GB, free: 8.43 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005526/0.1868, allocations: 79.53 kB / 0.4939 GB, free: 8.352 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.241e-05/0.1869, allocations: 23.98 kB / 0.4939 GB, free: 8.328 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * 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): 26 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 6 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems 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): 6 systems {(2,4), (2,4), (2,4), (2,4), (2,4), (2,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0002504/0.1872, allocations: 216.1 kB / 0.4941 GB, free: 8.109 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002444/0.1874, allocations: 51.38 kB / 0.4942 GB, free: 8.059 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00182/0.1892, allocations: 0.6224 MB / 0.4948 GB, free: 7.43 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.887e-06/0.1893, allocations: 8 kB / 0.4948 GB, free: 7.422 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.351e-06/0.1893, allocations: 4.031 kB / 0.4948 GB, free: 7.418 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.436e-06/0.1893, allocations: 7.938 kB / 0.4948 GB, free: 7.41 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001045/0.1903, allocations: 496.9 kB / 0.4953 GB, free: 6.875 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.813e-06/0.1903, allocations: 4 kB / 0.4953 GB, free: 6.871 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006432/0.191, allocations: 119.8 kB / 0.4954 GB, free: 6.754 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 8.407e-05/0.1911, allocations: 28.84 kB / 0.4954 GB, free: 6.723 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.043e-05/0.1911, allocations: 12 kB / 0.4954 GB, free: 6.711 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009679/0.1921, allocations: 1.4 MB / 0.4968 GB, free: 5.164 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.454e-06/0.1921, allocations: 11.95 kB / 0.4968 GB, free: 5.152 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002607/0.1947, allocations: 1.399 MB / 0.4982 GB, free: 3.727 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001188/0.1949, allocations: 124.5 kB / 0.4983 GB, free: 3.586 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.634e-05/0.195, allocations: 15.98 kB / 0.4983 GB, free: 3.57 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006871/0.1956, allocations: 59.92 kB / 0.4984 GB, free: 3.512 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001305/0.1958, allocations: 39.95 kB / 0.4984 GB, free: 3.473 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.468e-05/0.1958, allocations: 24.09 kB / 0.4984 GB, free: 3.449 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0002685/0.1961, allocations: 243 kB / 0.4987 GB, free: 3.211 MB / 382.1 MB Notification: Performance of sort global known variables: time 3.3e-07/0.1961, allocations: 0 / 0.4987 GB, free: 3.211 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.001412/0.1975, allocations: 231.3 kB / 0.4989 GB, free: 2.984 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 12 (controllerFeedbackPart1.y,firstOrder1.y,controllerFeedbackPart2.y,firstOrder2.y,controllerFeedbackPart3.y,firstOrder3.y,controllerFeedbackPart4.y,firstOrder4.y,controllerFeedbackPart5.y,firstOrder5.y,controllerFeedbackPart6.y,firstOrder6.y) * 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 (43): * Single equations (assignments): 42 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * 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): 1 system {(1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0001492/0.1977, allocations: 115.2 kB / 0.499 GB, free: 2.863 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.005737/0.2034, allocations: 2.334 MB / 0.5013 GB, free: 436 kB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 5.631e-06/0.2035, allocations: 0 / 0.5013 GB, free: 436 kB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0009229/0.2044, allocations: 414.3 kB / 0.5017 GB, free: 8 kB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.1659/0.3703, allocations: 135.9 kB / 0.5018 GB, free: 47.28 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002469/0.3728, allocations: 1.414 MB / 0.5032 GB, free: 46.61 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003482/0.3732, allocations: 0.8684 MB / 0.504 GB, free: 45.91 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000129/0.3733, allocations: 38.59 kB / 0.5041 GB, free: 45.9 MB / 382.1 MB Notification: Performance of SimCode: time 7.81e-07/0.3733, allocations: 0 / 0.5041 GB, free: 45.9 MB / 382.1 MB Notification: Performance of Templates: time 0.01393/0.3873, allocations: 13.56 MB / 0.5173 GB, free: 41.92 MB / 382.1 MB make -j1 -f ModelicaTest_4.0.0_ModelicaTest.Blocks.LimitersHomotopy.makefile (rm -f ModelicaTest_4.0.0_ModelicaTest.Blocks.LimitersHomotopy.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Blocks.LimitersHomotopy.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Blocks.LimitersHomotopy.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Blocks.LimitersHomotopy.sim & ./ModelicaTest_4.0.0_ModelicaTest.Blocks.LimitersHomotopy -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_4.0.0_ModelicaTest.Blocks.LimitersHomotopy.pipe 2>&1)