Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.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) 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(Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_3.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint") translateModel(Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_3.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007292/0.007292, allocations: 99.81 kB / 15.73 MB, free: 6.055 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001246/0.001246, allocations: 192 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.57/1.57, allocations: 205.1 MB / 222.5 MB, free: 4.473 MB / 174.1 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 0.001349/0.00135, allocations: 49.67 kB / 326.5 MB, free: 14.36 MB / 270.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1233/0.1247, allocations: 46.63 MB / 373.2 MB, free: 1.32 MB / 302.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint): time 0.02149/0.1462, allocations: 19.46 MB / 392.6 MB, free: 13.77 MB / 334.1 MB Notification: Performance of NFInst.instExpressions: time 0.01465/0.1609, allocations: 6.273 MB / 398.9 MB, free: 7.48 MB / 334.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.004719/0.1657, allocations: 147.6 kB / 399 MB, free: 7.336 MB / 334.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0118/0.1776, allocations: 6.059 MB / 405.1 MB, free: 1.258 MB / 334.1 MB Notification: Performance of NFTyping.typeBindings: time 0.008405/0.186, allocations: 2.649 MB / 407.8 MB, free: 14.59 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.007106/0.1931, allocations: 2.506 MB / 410.3 MB, free: 12.09 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.0145/0.2077, allocations: 7.074 MB / 417.3 MB, free: 4.992 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01365/0.2214, allocations: 8.085 MB / 425.4 MB, free: 12.81 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.006183/0.2276, allocations: 2.843 MB / 428.3 MB, free: 9.957 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.007048/0.2347, allocations: 3.583 MB / 431.8 MB, free: 6.363 MB / 366.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002783/0.2375, allocations: 0.6445 MB / 432.5 MB, free: 5.719 MB / 366.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005727/0.2433, allocations: 2.001 MB / 434.5 MB, free: 3.715 MB / 366.1 MB Notification: Performance of NFScalarize.scalarize: time 0.005534/0.2488, allocations: 3.437 MB / 437.9 MB, free: 276 kB / 366.1 MB Notification: Performance of NFVerifyModel.verify: time 0.008197/0.2571, allocations: 3.87 MB / 441.8 MB, free: 12.38 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.4656/0.7227, allocations: 12.39 MB / 454.2 MB, free: 27.39 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 1.547e-05/0.7228, allocations: 0.625 kB / 454.2 MB, free: 27.39 MB / 382.1 MB Notification: Performance of FrontEnd: time 3.827e-06/0.7228, allocations: 0 / 454.2 MB, free: 27.39 MB / 382.1 MB Notification: Performance of Transformations before backend: time 0.000775/0.7236, allocations: 1.406 kB / 454.2 MB, free: 27.39 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2401 * Number of variables: 2401 Notification: Performance of Generate backend data structure: time 0.03003/0.7536, allocations: 8.635 MB / 462.8 MB, free: 24.26 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.751e-05/0.7537, allocations: 9.719 kB / 462.8 MB, free: 24.26 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01058/0.7643, allocations: 2.394 MB / 465.2 MB, free: 23.76 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01121/0.7756, allocations: 4.471 MB / 469.7 MB, free: 22.9 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000446/0.7761, allocations: 438.5 kB / 470.1 MB, free: 22.89 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003065/0.7791, allocations: 0.6729 MB / 470.8 MB, free: 22.87 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03532/0.8145, allocations: 16.93 MB / 487.7 MB, free: 18.18 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.000214/0.8147, allocations: 62.53 kB / 487.8 MB, free: 18.17 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001003/0.8157, allocations: 269.7 kB / 488.1 MB, free: 18.02 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.00313/0.8189, allocations: 2.586 MB / 490.6 MB, free: 17.57 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0283/0.8472, allocations: 14.57 MB / 0.4934 GB, free: 5.348 MB / 382.1 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 0.09112/0.9383, allocations: 63.88 MB / 0.5558 GB, free: 4.738 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.02247/0.9609, allocations: 7.377 MB / 0.563 GB, free: 13.23 MB / 462.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.00543/0.9663, allocations: 3.802 MB / 0.5667 GB, free: 9.418 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.02692/0.9933, allocations: 16.63 MB / 0.5829 GB, free: 8.395 MB / 478.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.194e-05/0.9934, allocations: 68.41 kB / 0.583 GB, free: 8.324 MB / 478.1 MB Notification: Performance of pre-optimization done (n=262): time 6.171e-06/0.9934, allocations: 0 / 0.583 GB, free: 8.324 MB / 478.1 MB Notification: Performance of matching and sorting (n=278): time 0.07255/1.066, allocations: 27.96 MB / 0.6103 GB, free: 12.18 MB / 0.4982 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.001281/1.067, allocations: 1.704 MB / 0.6119 GB, free: 10.3 MB / 0.4982 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.008591/1.076, allocations: 5.889 MB / 0.6177 GB, free: 4.398 MB / 0.4982 GB Notification: Performance of collectPreVariables (initialization): time 0.0008389/1.077, allocations: 69.7 kB / 0.6178 GB, free: 4.324 MB / 0.4982 GB Notification: Performance of collectInitialEqns (initialization): time 0.003713/1.08, allocations: 5.045 MB / 0.6227 GB, free: 15.32 MB / 0.5138 GB Notification: Performance of collectInitialBindings (initialization): time 0.001756/1.082, allocations: 1.128 MB / 0.6238 GB, free: 14.21 MB / 0.5138 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002647/1.085, allocations: 1.856 MB / 0.6256 GB, free: 12.34 MB / 0.5138 GB Notification: Performance of setup shared object (initialization): time 9.893e-05/1.085, allocations: 305.2 kB / 0.6259 GB, free: 12.04 MB / 0.5138 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005234/1.09, allocations: 3.418 MB / 0.6292 GB, free: 8.613 MB / 0.5138 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.2675/1.358, allocations: 8.864 MB / 0.6379 GB, free: 185.9 MB / 0.5138 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01835/1.376, allocations: 13.27 MB / 0.6509 GB, free: 176.6 MB / 0.5138 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0003333/1.377, allocations: 54.59 kB / 0.6509 GB, free: 176.6 MB / 0.5138 GB Notification: Performance of matching and sorting (n=1192) (initialization): time 0.03189/1.408, allocations: 14.92 MB / 0.6655 GB, free: 171.6 MB / 0.5138 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001517/1.409, allocations: 89.95 kB / 0.6656 GB, free: 171.6 MB / 0.5138 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.01557/1.424, allocations: 6.791 MB / 0.6722 GB, free: 169.6 MB / 0.5138 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0127/1.437, allocations: 3.228 MB / 0.6753 GB, free: 168.8 MB / 0.5138 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007057/1.444, allocations: 2.136 MB / 0.6774 GB, free: 166.7 MB / 0.5138 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01641/1.461, allocations: 17.03 MB / 0.6941 GB, free: 148.9 MB / 0.5138 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007993/1.469, allocations: 0.5911 MB / 0.6946 GB, free: 148.4 MB / 0.5138 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001665/1.47, allocations: 0.5351 MB / 0.6952 GB, free: 147.8 MB / 0.5138 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 875 * Number of states: 0 () * Number of discrete variables: 60 (freeMotionScalarInit.arrowColor[3],freeMotionScalarInit.arrowColor[2],freeMotionScalarInit.arrowColor[1],fixedTranslation.color[3],fixedTranslation.color[2],fixedTranslation.color[1],fixedRotation.color[3],fixedRotation.color[2],fixedRotation.color[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],springOfConstraint.color[3],springOfConstraint.color[2],springOfConstraint.color[1],springOfConstraint.massColor[3],springOfConstraint.massColor[2],springOfConstraint.massColor[1],springOfJoint.color[3],springOfJoint.color[2],springOfJoint.color[1],springOfJoint.massColor[3],springOfJoint.massColor[2],springOfJoint.massColor[1],bodyOfConstraint.color[3],bodyOfConstraint.color[2],bodyOfConstraint.color[1],bodyOfConstraint.body.sphereColor[3],bodyOfConstraint.body.sphereColor[2],bodyOfConstraint.body.sphereColor[1],bodyOfConstraint.frameTranslation.color[3],bodyOfConstraint.frameTranslation.color[2],bodyOfConstraint.frameTranslation.color[1],bodyOfJoint.color[3],bodyOfJoint.color[2],bodyOfJoint.color[1],bodyOfJoint.body.sphereColor[3],bodyOfJoint.body.sphereColor[2],bodyOfJoint.body.sphereColor[1],bodyOfJoint.frameTranslation.color[3],bodyOfJoint.frameTranslation.color[2],bodyOfJoint.frameTranslation.color[1],sensorConstraintRelative.arrowColor[3],sensorConstraintRelative.arrowColor[2],sensorConstraintRelative.arrowColor[1],constraint.sphereColor[3],constraint.sphereColor[2],constraint.sphereColor[1],joint.sphereColor[3],joint.sphereColor[2],joint.sphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1128): * Single equations (assignments): 1112 * Array equations: 8 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(3,100.0%), (4,100.0%)} * Non-linear Jacobian (size): 1 system {4} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 5 systems {(3,3,100.0%), (3,3,100.0%), (2,1,100.0%), (2,1,100.0%), (2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.005606/1.476, allocations: 3.247 MB / 0.6983 GB, free: 144.7 MB / 0.5138 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001092/1.477, allocations: 0.5454 MB / 0.6989 GB, free: 144.5 MB / 0.5138 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0108/1.488, allocations: 6.565 MB / 0.7053 GB, free: 137.8 MB / 0.5138 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.00906/1.497, allocations: 5.665 MB / 0.7108 GB, free: 132.1 MB / 0.5138 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.008511/1.505, allocations: 5.49 MB / 0.7162 GB, free: 126.5 MB / 0.5138 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.781e-05/1.506, allocations: 19.95 kB / 0.7162 GB, free: 126.5 MB / 0.5138 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03185/1.537, allocations: 17.47 MB / 0.7333 GB, free: 108.9 MB / 0.5138 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.711e-05/1.537, allocations: 15.94 kB / 0.7333 GB, free: 108.9 MB / 0.5138 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002432/1.54, allocations: 0.504 MB / 0.7338 GB, free: 108.4 MB / 0.5138 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.005184/1.545, allocations: 1.852 MB / 0.7356 GB, free: 106.5 MB / 0.5138 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000496/1.546, allocations: 75.89 kB / 0.7356 GB, free: 106.4 MB / 0.5138 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01052/1.556, allocations: 10.39 MB / 0.7458 GB, free: 95.69 MB / 0.5138 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.0009307/1.557, allocations: 1.565 MB / 0.7473 GB, free: 93.99 MB / 0.5138 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01421/1.571, allocations: 9.86 MB / 0.757 GB, free: 84.15 MB / 0.5138 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002113/1.574, allocations: 0.5942 MB / 0.7575 GB, free: 83.54 MB / 0.5138 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001759/1.575, allocations: 59.98 kB / 0.7576 GB, free: 83.48 MB / 0.5138 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003273/1.579, allocations: 226.6 kB / 0.7578 GB, free: 83.26 MB / 0.5138 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006049/1.579, allocations: 201.4 kB / 0.758 GB, free: 83.07 MB / 0.5138 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000217/1.579, allocations: 87.97 kB / 0.7581 GB, free: 82.98 MB / 0.5138 GB Notification: Performance of sorting global known variables: time 0.00484/1.584, allocations: 3.66 MB / 0.7617 GB, free: 79.32 MB / 0.5138 GB Notification: Performance of sort global known variables: time 2.3e-07/1.584, allocations: 0 / 0.7617 GB, free: 79.32 MB / 0.5138 GB Notification: Performance of remove unused functions: time 0.008566/1.593, allocations: 1.722 MB / 0.7633 GB, free: 77.61 MB / 0.5138 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 43 * Number of states: 12 ($STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],joint.w_rel[1],joint.w_rel[2],joint.w_rel[3],bodyOfConstraint.body.w_a[1],bodyOfConstraint.body.w_a[2],bodyOfConstraint.body.w_a[3],freeMotionScalarInit.derd[1].u,freeMotionScalarInit.derd[2].u,freeMotionScalarInit.derd[3].u) * 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 (233): * Single equations (assignments): 223 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 3 systems {(2,100.0%), (3,100.0%), (4,100.0%)} * Non-linear Jacobian (size): 1 system {4} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(3,3,100.0%), (3,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0008601/1.594, allocations: 289.9 kB / 0.7636 GB, free: 77.33 MB / 0.5138 GB Notification: Performance of simCode: created initialization part: time 0.01322/1.607, allocations: 9.233 MB / 0.7726 GB, free: 68.02 MB / 0.5138 GB Notification: Performance of simCode: created event and clocks part: time 1.162e-05/1.607, allocations: 4 kB / 0.7726 GB, free: 68.01 MB / 0.5138 GB Notification: Performance of simCode: created simulation system equations: time 0.00495/1.612, allocations: 3.39 MB / 0.7759 GB, free: 64.53 MB / 0.5138 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005485/1.618, allocations: 0.8734 MB / 0.7768 GB, free: 63.66 MB / 0.5138 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02507/1.643, allocations: 15.48 MB / 0.7919 GB, free: 48 MB / 0.5138 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006668/1.649, allocations: 4.879 MB / 0.7967 GB, free: 43.09 MB / 0.5138 GB Notification: Performance of simCode: alias equations: time 0.006854/1.656, allocations: 2.909 MB / 0.7995 GB, free: 40.18 MB / 0.5138 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001266/1.658, allocations: 383.3 kB / 0.7999 GB, free: 39.8 MB / 0.5138 GB Notification: Performance of SimCode: time 1.112e-06/1.658, allocations: 0 / 0.7999 GB, free: 39.8 MB / 0.5138 GB Notification: Performance of Templates: time 0.3622/2.02, allocations: 61.05 MB / 0.8595 GB, free: 164.5 MB / 0.5138 GB make -j1 -f Modelica_3.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.makefile (rm -f Modelica_3.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.pipe ; mkfifo Modelica_3.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.pipe ; head -c 1048576 < Modelica_3.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.pipe >> ../files/Modelica_3.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.sim & ./Modelica_3.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint -abortSlowSimulation -alarm=480 -lv LOG_STATS > Modelica_3.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.pipe 2>&1)