Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.1_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_3.2.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint") translateModel(Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Modelica_3.2.1_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 0.00641/0.00641, allocations: 100.9 kB / 15.73 MB, free: 6.035 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001437/0.001437, allocations: 197.9 kB / 16.68 MB, free: 5.953 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.721/1.721, allocations: 205.1 MB / 222.5 MB, free: 4.527 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 0.001143/0.001144, allocations: 55.42 kB / 326.5 MB, free: 14.43 MB / 270.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1024/0.1035, allocations: 46.62 MB / 373.2 MB, free: 1.32 MB / 302.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint): time 0.02073/0.1243, allocations: 19.45 MB / 392.6 MB, free: 13.77 MB / 334.1 MB Notification: Performance of NFInst.instExpressions: time 0.01435/0.1387, allocations: 6.288 MB / 398.9 MB, free: 7.469 MB / 334.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.004589/0.1434, allocations: 147.6 kB / 399.1 MB, free: 7.324 MB / 334.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01081/0.1543, allocations: 6.048 MB / 405.1 MB, free: 1.258 MB / 334.1 MB Notification: Performance of NFTyping.typeBindings: time 0.008389/0.1627, allocations: 2.645 MB / 407.7 MB, free: 14.6 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.006339/0.169, allocations: 2.514 MB / 410.3 MB, free: 12.08 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.0137/0.1828, allocations: 7.066 MB / 417.3 MB, free: 4.996 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01449/0.1973, allocations: 8.1 MB / 425.4 MB, free: 12.8 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.006108/0.2035, allocations: 2.828 MB / 428.3 MB, free: 9.961 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.00643/0.2099, allocations: 3.591 MB / 431.8 MB, free: 6.359 MB / 366.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002575/0.2125, allocations: 0.6406 MB / 432.5 MB, free: 5.719 MB / 366.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005281/0.2178, allocations: 2.005 MB / 434.5 MB, free: 3.711 MB / 366.1 MB Notification: Performance of NFScalarize.scalarize: time 0.005205/0.2231, allocations: 3.433 MB / 437.9 MB, free: 276 kB / 366.1 MB Notification: Performance of NFVerifyModel.verify: time 0.007083/0.2302, allocations: 3.87 MB / 441.8 MB, free: 12.38 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.4513/0.6815, allocations: 12.35 MB / 454.1 MB, free: 27.51 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 1.016e-05/0.6816, allocations: 0.5625 kB / 454.1 MB, free: 27.51 MB / 382.1 MB Notification: Performance of FrontEnd: time 3.466e-06/0.6816, allocations: 0.7812 kB / 454.1 MB, free: 27.51 MB / 382.1 MB Notification: Performance of Transformations before backend: time 0.0005796/0.6822, allocations: 0 / 454.1 MB, free: 27.51 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 0.02838/0.7106, allocations: 8.426 MB / 462.6 MB, free: 24.7 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.619e-05/0.7106, allocations: 10.58 kB / 462.6 MB, free: 24.7 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01044/0.7211, allocations: 2.35 MB / 464.9 MB, free: 24.24 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01314/0.7342, allocations: 4.455 MB / 469.4 MB, free: 23.4 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001077/0.7354, allocations: 435.3 kB / 469.8 MB, free: 23.39 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004915/0.7403, allocations: 0.669 MB / 470.5 MB, free: 23.37 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03887/0.7792, allocations: 16.93 MB / 487.4 MB, free: 18.61 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002851/0.7795, allocations: 58.22 kB / 487.5 MB, free: 18.61 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002033/0.7816, allocations: 268.9 kB / 487.7 MB, free: 18.46 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003541/0.7851, allocations: 2.586 MB / 490.3 MB, free: 18.01 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02885/0.814, allocations: 14.57 MB / 0.4931 GB, free: 5.766 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 0.1017/0.9158, allocations: 63.77 MB / 0.5553 GB, free: 5.227 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.02293/0.9388, allocations: 7.377 MB / 0.5625 GB, free: 13.72 MB / 462.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.00588/0.9447, allocations: 3.814 MB / 0.5663 GB, free: 9.898 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0346/0.9793, allocations: 16.6 MB / 0.5825 GB, free: 8.883 MB / 478.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.261e-05/0.9794, allocations: 62.53 kB / 0.5825 GB, free: 8.816 MB / 478.1 MB Notification: Performance of pre-optimization done (n=262): time 8.576e-06/0.9794, allocations: 0 / 0.5825 GB, free: 8.816 MB / 478.1 MB Notification: Performance of matching and sorting (n=278): time 0.08479/1.064, allocations: 27.59 MB / 0.6095 GB, free: 12.99 MB / 0.4982 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.001412/1.066, allocations: 1.703 MB / 0.6111 GB, free: 11.12 MB / 0.4982 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01116/1.077, allocations: 5.881 MB / 0.6169 GB, free: 5.223 MB / 0.4982 GB Notification: Performance of collectPreVariables (initialization): time 0.0008347/1.078, allocations: 69.7 kB / 0.6169 GB, free: 5.148 MB / 0.4982 GB Notification: Performance of collectInitialEqns (initialization): time 0.004367/1.082, allocations: 4.848 MB / 0.6217 GB, free: 336 kB / 0.4982 GB Notification: Performance of collectInitialBindings (initialization): time 0.002167/1.084, allocations: 1.087 MB / 0.6227 GB, free: 15.25 MB / 0.5138 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.006179/1.091, allocations: 1.84 MB / 0.6245 GB, free: 13.39 MB / 0.5138 GB Notification: Performance of setup shared object (initialization): time 9.898e-05/1.091, allocations: 301.1 kB / 0.6248 GB, free: 13.1 MB / 0.5138 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006494/1.097, allocations: 3.418 MB / 0.6282 GB, free: 9.672 MB / 0.5138 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.3185/1.416, allocations: 8.864 MB / 0.6368 GB, free: 186.1 MB / 0.5138 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02246/1.438, allocations: 13.27 MB / 0.6498 GB, free: 176.8 MB / 0.5138 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0003366/1.439, allocations: 58.97 kB / 0.6498 GB, free: 176.8 MB / 0.5138 GB Notification: Performance of matching and sorting (n=1192) (initialization): time 0.03577/1.474, allocations: 14.9 MB / 0.6644 GB, free: 171.8 MB / 0.5138 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001393/1.475, allocations: 86.5 kB / 0.6645 GB, free: 171.8 MB / 0.5138 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.01616/1.491, allocations: 6.793 MB / 0.6711 GB, free: 169.8 MB / 0.5138 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01339/1.504, allocations: 3.228 MB / 0.6742 GB, free: 169 MB / 0.5138 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007619/1.512, allocations: 2.144 MB / 0.6763 GB, free: 167 MB / 0.5138 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01823/1.53, allocations: 17.03 MB / 0.693 GB, free: 149.2 MB / 0.5138 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01169/1.542, allocations: 0.5867 MB / 0.6935 GB, free: 148.7 MB / 0.5138 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00256/1.545, allocations: 0.542 MB / 0.6941 GB, free: 148.1 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 0.007706/1.552, allocations: 3.24 MB / 0.6972 GB, free: 145 MB / 0.5138 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001496/1.554, allocations: 0.5154 MB / 0.6977 GB, free: 144.7 MB / 0.5138 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01162/1.565, allocations: 6.565 MB / 0.7041 GB, free: 138.1 MB / 0.5138 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.00948/1.575, allocations: 5.66 MB / 0.7097 GB, free: 132.3 MB / 0.5138 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.008781/1.584, allocations: 5.493 MB / 0.715 GB, free: 126.8 MB / 0.5138 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.143e-05/1.584, allocations: 11.95 kB / 0.7151 GB, free: 126.7 MB / 0.5138 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03089/1.615, allocations: 17.48 MB / 0.7321 GB, free: 109.2 MB / 0.5138 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.171e-05/1.615, allocations: 12 kB / 0.7321 GB, free: 109.1 MB / 0.5138 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002414/1.617, allocations: 0.4996 MB / 0.7326 GB, free: 108.6 MB / 0.5138 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.005032/1.622, allocations: 1.854 MB / 0.7344 GB, free: 106.8 MB / 0.5138 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005247/1.623, allocations: 67.97 kB / 0.7345 GB, free: 106.7 MB / 0.5138 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01047/1.633, allocations: 10.4 MB / 0.7447 GB, free: 95.95 MB / 0.5138 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.0007488/1.634, allocations: 1.559 MB / 0.7462 GB, free: 94.25 MB / 0.5138 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01418/1.648, allocations: 9.835 MB / 0.7558 GB, free: 84.4 MB / 0.5138 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00245/1.651, allocations: 0.5683 MB / 0.7563 GB, free: 83.81 MB / 0.5138 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001921/1.653, allocations: 63.98 kB / 0.7564 GB, free: 83.75 MB / 0.5138 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003708/1.656, allocations: 226.3 kB / 0.7566 GB, free: 83.53 MB / 0.5138 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007033/1.657, allocations: 197.5 kB / 0.7568 GB, free: 83.34 MB / 0.5138 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002229/1.657, allocations: 87.97 kB / 0.7569 GB, free: 83.25 MB / 0.5138 GB Notification: Performance of sorting global known variables: time 0.005534/1.663, allocations: 3.656 MB / 0.7605 GB, free: 79.59 MB / 0.5138 GB Notification: Performance of sort global known variables: time 2.2e-07/1.663, allocations: 0 / 0.7605 GB, free: 79.59 MB / 0.5138 GB Notification: Performance of remove unused functions: time 0.01015/1.673, allocations: 1.729 MB / 0.7621 GB, free: 77.88 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 0.001271/1.674, allocations: 281.2 kB / 0.7624 GB, free: 77.61 MB / 0.5138 GB Notification: Performance of simCode: created initialization part: time 0.01566/1.69, allocations: 9.222 MB / 0.7714 GB, free: 68.31 MB / 0.5138 GB Notification: Performance of simCode: created event and clocks part: time 2.165e-05/1.69, allocations: 8.125 kB / 0.7714 GB, free: 68.3 MB / 0.5138 GB Notification: Performance of simCode: created simulation system equations: time 0.005503/1.696, allocations: 3.393 MB / 0.7747 GB, free: 64.82 MB / 0.5138 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007564/1.703, allocations: 0.8692 MB / 0.7756 GB, free: 63.96 MB / 0.5138 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02816/1.732, allocations: 15.26 MB / 0.7905 GB, free: 48.55 MB / 0.5138 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006895/1.738, allocations: 4.869 MB / 0.7952 GB, free: 43.64 MB / 0.5138 GB Notification: Performance of simCode: alias equations: time 0.006624/1.745, allocations: 2.907 MB / 0.7981 GB, free: 40.73 MB / 0.5138 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001256/1.746, allocations: 371.4 kB / 0.7984 GB, free: 40.37 MB / 0.5138 GB Notification: Performance of SimCode: time 2.475e-06/1.746, allocations: 0 / 0.7984 GB, free: 40.37 MB / 0.5138 GB Notification: Performance of Templates: time 0.3681/2.115, allocations: 61.06 MB / 0.8581 GB, free: 165 MB / 0.5138 GB make -j1 -f Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.makefile (rm -f Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.pipe ; mkfifo Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.pipe ; head -c 1048576 < Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.pipe >> ../files/Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.sim & ./Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint -abortSlowSimulation -alarm=480 -lv LOG_STATS > Modelica_3.2.1_Modelica.Mechanics.MultiBody.Examples.Constraints.SphericalConstraint.pipe 2>&1)