Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.002249/0.002249, allocations: 103.5 kB / 20.97 MB, free: 3.449 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.002152/0.002152, allocations: 160.8 kB / 24.27 MB, free: 152 kB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.554/1.554, allocations: 177 MB / 204.4 MB, free: 5.641 MB / 186.7 MB " [Timeout remaining time 178] Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|bodyOfConstraint.body.w_a.1.|bodyOfConstraint.body.w_a.2.|bodyOfConstraint.body.w_a.3.|bodyOfJoint.body.w_a.2.|joint.phi",fileNamePrefix="Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint") translateModel(Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|bodyOfConstraint.body.w_a.1.|bodyOfConstraint.body.w_a.2.|bodyOfConstraint.body.w_a.3.|bodyOfJoint.body.w_a.2.|joint.phi",fileNamePrefix="Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.913e-06/1.913e-06, allocations: 0 / 272.2 MB, free: 1.84 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 3.082e-05/3.273e-05, allocations: 6.312 kB / 272.2 MB, free: 1.832 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint): time 0.2121/0.2121, allocations: 18 MB / 290.2 MB, free: 14 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.01387/0.226, allocations: 6.046 MB / 296.2 MB, free: 13.67 MB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.004855/0.2308, allocations: 174.8 kB / 296.4 MB, free: 13.67 MB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.01243/0.2432, allocations: 6.487 MB / 302.9 MB, free: 11.84 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.00768/0.2509, allocations: 2.716 MB / 305.6 MB, free: 10.32 MB / 266.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.005523/0.2564, allocations: 2.591 MB / 308.2 MB, free: 8.867 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.008506/0.2649, allocations: 7.419 MB / 315.6 MB, free: 5.223 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.007487/0.2724, allocations: 6.516 MB / 322.1 MB, free: 14.97 MB / 282.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.01036/0.2828, allocations: 4.277 MB / 326.4 MB, free: 10.95 MB / 282.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.007882/0.2907, allocations: 3.812 MB / 330.2 MB, free: 7.449 MB / 282.7 MB Notification: Performance of NFPackage.collectConstants: time 0.002344/0.293, allocations: 0.6484 MB / 330.9 MB, free: 6.801 MB / 282.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005065/0.2981, allocations: 1.814 MB / 332.7 MB, free: 5.051 MB / 282.7 MB Notification: Performance of NFScalarize.scalarize: time 0.005552/0.3036, allocations: 3.568 MB / 336.3 MB, free: 1.48 MB / 282.7 MB Notification: Performance of NFVerifyModel.verify: time 0.006067/0.3097, allocations: 2.283 MB / 338.5 MB, free: 15.19 MB / 298.7 MB Notification: Performance of NFConvertDAE.convert: time 0.02536/0.3351, allocations: 12.1 MB / 350.6 MB, free: 3.059 MB / 298.7 MB Notification: Performance of FrontEnd - DAE generated: time 7.444e-06/0.3351, allocations: 0 / 350.6 MB, free: 3.059 MB / 298.7 MB Notification: Performance of FrontEnd: time 1.844e-06/0.3351, allocations: 8 kB / 350.6 MB, free: 3.051 MB / 298.7 MB Notification: Performance of Transformations before backend: time 0.0004311/0.3355, allocations: 0 / 350.6 MB, free: 3.051 MB / 298.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2312 * Number of variables: 2312 Notification: Performance of Generate backend data structure: time 0.03248/0.368, allocations: 9.6 MB / 360.2 MB, free: 9.359 MB / 314.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.683e-05/0.368, allocations: 15.98 kB / 360.3 MB, free: 9.344 MB / 314.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01174/0.3798, allocations: 2.981 MB / 363.2 MB, free: 6.355 MB / 314.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01143/0.3912, allocations: 3.753 MB / 367 MB, free: 2.512 MB / 314.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004618/0.3917, allocations: 423.5 kB / 367.4 MB, free: 2.098 MB / 314.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002135/0.3938, allocations: 0.5676 MB / 368 MB, free: 1.531 MB / 314.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02939/0.4232, allocations: 10.78 MB / 378.8 MB, free: 5.52 MB / 330.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002207/0.4234, allocations: 71.39 kB / 378.8 MB, free: 5.449 MB / 330.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007764/0.4242, allocations: 255.8 kB / 379.1 MB, free: 5.199 MB / 330.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004599/0.4288, allocations: 2.51 MB / 381.6 MB, free: 2.684 MB / 330.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02434/0.4531, allocations: 6.2 MB / 387.8 MB, free: 12.47 MB / 346.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.2384/0.6915, allocations: 69.86 MB / 457.6 MB, free: 65.57 MB / 378.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.02032/0.7119, allocations: 5.074 MB / 462.7 MB, free: 65.42 MB / 378.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002618/0.7145, allocations: 1.33 MB / 464.1 MB, free: 65.37 MB / 378.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01995/0.7344, allocations: 9.684 MB / 473.7 MB, free: 62.97 MB / 378.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.98e-05/0.7345, allocations: 69.92 kB / 473.8 MB, free: 62.91 MB / 378.7 MB Notification: Performance of pre-optimization done (n=265): time 6.101e-06/0.7345, allocations: 0 / 473.8 MB, free: 62.91 MB / 378.7 MB Notification: Performance of matching and sorting (n=331): time 0.09971/0.8342, allocations: 31.86 MB / 0.4938 GB, free: 39.36 MB / 378.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.02777/0.8619, allocations: 13.21 MB / 0.5067 GB, free: 25.71 MB / 378.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01405/0.876, allocations: 6.298 MB / 0.5129 GB, free: 19.64 MB / 378.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0009122/0.8769, allocations: 73.22 kB / 0.5129 GB, free: 19.56 MB / 378.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.004332/0.8812, allocations: 5.323 MB / 0.5181 GB, free: 14.4 MB / 378.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.002291/0.8835, allocations: 1.414 MB / 0.5195 GB, free: 13 MB / 378.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.004742/0.8883, allocations: 2.392 MB / 0.5218 GB, free: 10.59 MB / 378.7 MB Notification: Performance of setup shared object (initialization): time 5.706e-05/0.8883, allocations: 476.8 kB / 0.5223 GB, free: 10.12 MB / 378.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005701/0.894, allocations: 1.688 MB / 0.5239 GB, free: 8.43 MB / 378.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008088/0.9021, allocations: 9.629 MB / 0.5333 GB, free: 11.32 MB / 394.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01892/0.921, allocations: 12.5 MB / 0.5456 GB, free: 11.31 MB / 410.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0003008/0.9213, allocations: 55.94 kB / 0.5456 GB, free: 11.25 MB / 410.7 MB Notification: Performance of matching and sorting (n=1180) (initialization): time 0.04074/0.9621, allocations: 12.05 MB / 0.5574 GB, free: 15.12 MB / 426.7 MB Notification: Performance of prepare postOptimizeDAE: time 0.0002424/0.9623, allocations: 84 kB / 0.5575 GB, free: 15.04 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0003267/0.9626, allocations: 180 kB / 0.5576 GB, free: 14.87 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01885/0.9815, allocations: 4.344 MB / 0.5619 GB, free: 10.5 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007398/0.9889, allocations: 1.992 MB / 0.5638 GB, free: 8.504 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1837/1.173, allocations: 26.72 MB / 0.5899 GB, free: 139.6 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008496/1.181, allocations: 0.5874 MB / 0.5905 GB, free: 139.6 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002095/1.183, allocations: 0.5563 MB / 0.591 GB, free: 139.6 MB / 442.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 823 * Number of states: 0 () * Number of discrete variables: 62 (sensorConstraintRelative.arrow.twoHeadedArrow,sensorConstraintRelative.arrow.headAtOrigin,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.cylinderColor[3],joint.cylinderColor[2],joint.cylinderColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1049): * Single equations (assignments): 1036 * Array equations: 6 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 7 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(3,33,100.0%), (2,19,100.0%), (2,13,100.0%), (2,1,100.0%), (2,1,100.0%), (2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,19)} Notification: Performance of prepare postOptimizeDAE: time 0.004126/1.187, allocations: 1.011 MB / 0.592 GB, free: 139.5 MB / 442.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001599/1.189, allocations: 0.5957 MB / 0.5926 GB, free: 139.5 MB / 442.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01866/1.208, allocations: 5.924 MB / 0.5984 GB, free: 139.2 MB / 442.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.602e-05/1.208, allocations: 47.58 kB / 0.5984 GB, free: 139.2 MB / 442.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.01478/1.222, allocations: 4.835 MB / 0.6031 GB, free: 138.9 MB / 442.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.154e-05/1.223, allocations: 18.78 kB / 0.6032 GB, free: 138.9 MB / 442.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03895/1.262, allocations: 16.62 MB / 0.6194 GB, free: 137 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.864e-05/1.262, allocations: 3.906 kB / 0.6194 GB, free: 137 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002552/1.264, allocations: 463.2 kB / 0.6198 GB, free: 137 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.01162/1.276, allocations: 2.572 MB / 0.6224 GB, free: 136.7 MB / 442.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006153/1.276, allocations: 62.3 kB / 0.6224 GB, free: 136.7 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0248/1.301, allocations: 16.31 MB / 0.6383 GB, free: 124.6 MB / 442.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.01118/1.312, allocations: 8.087 MB / 0.6462 GB, free: 116.3 MB / 442.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01904/1.331, allocations: 7.437 MB / 0.6535 GB, free: 109.1 MB / 442.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001714/1.333, allocations: 0.4903 MB / 0.654 GB, free: 108.7 MB / 442.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001129/1.334, allocations: 53.95 kB / 0.654 GB, free: 108.7 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003346/1.338, allocations: 263.6 kB / 0.6543 GB, free: 108.4 MB / 442.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008745/1.338, allocations: 243.3 kB / 0.6545 GB, free: 108.2 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000261/1.339, allocations: 83.98 kB / 0.6546 GB, free: 108.1 MB / 442.7 MB Notification: Performance of sorting global known variables: time 0.003682/1.342, allocations: 2.584 MB / 0.6571 GB, free: 105.5 MB / 442.7 MB Notification: Performance of sort global known variables: time 1e-07/1.342, allocations: 0 / 0.6571 GB, free: 105.5 MB / 442.7 MB Notification: Performance of remove unused functions: time 0.008893/1.351, allocations: 2.026 MB / 0.6591 GB, free: 103.5 MB / 442.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 16 * Number of states: 4 ($STATESET2.x,$STATESET1.x,joint.phi,joint.w) * 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 (210): * Single equations (assignments): 202 * Array equations: 4 * 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): 3 systems {(1,11,100.0%), (3,30,100.0%), (3,21,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(3,25)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0008476/1.352, allocations: 294 kB / 0.6594 GB, free: 103.3 MB / 442.7 MB Notification: Performance of simCode: created initialization part: time 0.01246/1.365, allocations: 7.713 MB / 0.6669 GB, free: 95.48 MB / 442.7 MB Notification: Performance of simCode: created event and clocks part: time 1.882e-05/1.365, allocations: 0 / 0.6669 GB, free: 95.48 MB / 442.7 MB Notification: Performance of simCode: created simulation system equations: time 0.004323/1.369, allocations: 2.903 MB / 0.6697 GB, free: 92.49 MB / 442.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004376/1.373, allocations: 0.7908 MB / 0.6705 GB, free: 91.76 MB / 442.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01793/1.391, allocations: 13.25 MB / 0.6835 GB, free: 78.33 MB / 442.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003977/1.395, allocations: 3.974 MB / 0.6873 GB, free: 74.32 MB / 442.7 MB Notification: Performance of simCode: alias equations: time 0.005069/1.4, allocations: 2.283 MB / 0.6896 GB, free: 72.03 MB / 442.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001057/1.401, allocations: 340.4 kB / 0.6899 GB, free: 71.7 MB / 442.7 MB Notification: Performance of SimCode: time 1.473e-06/1.401, allocations: 4 kB / 0.6899 GB, free: 71.7 MB / 442.7 MB Notification: Performance of Templates: time 0.2463/1.648, allocations: 83.27 MB / 0.7712 GB, free: 128.2 MB / 442.7 MB " [Timeout remaining time 658] make -j1 -f Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.makefile [Timeout 660] (rm -f Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.pipe ; mkfifo Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.pipe >> ../files/Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.sim & ./Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Mechanics/MultiBody/Examples/Constraints/RevoluteConstraint/RevoluteConstraint.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 8.686892476049252]