Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001273/0.001273, allocations: 88.2 kB / 20.94 MB, free: 3.605 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.0009412/0.0009412, allocations: 169 kB / 24.24 MB, free: 312 kB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 0.8971/0.8971, allocations: 158.6 MB / 186 MB, free: 2.902 MB / 170.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.1406/0.1406, allocations: 32.38 MB / 270.7 MB, free: 14.77 MB / 266.7 MB " [Timeout remaining time 180] Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/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 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: translateModel(ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w|Revolute4.phi|Revolute4.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2") translateModel(ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w|Revolute4.phi|Revolute4.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 3.297e-06/3.297e-06, allocations: 0 / 347.7 MB, free: 9.723 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 3.314e-05/3.644e-05, allocations: 6.25 kB / 347.7 MB, free: 9.715 MB / 282.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2): time 0.01801/0.01805, allocations: 15.87 MB / 363.6 MB, free: 9.781 MB / 298.7 MB Notification: Performance of NFInst.instExpressions: time 0.01323/0.03128, allocations: 5.058 MB / 368.7 MB, free: 4.707 MB / 298.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00329/0.03457, allocations: 115.5 kB / 368.8 MB, free: 4.594 MB / 298.7 MB Notification: Performance of NFTyping.typeComponents: time 0.006592/0.04116, allocations: 4.921 MB / 373.7 MB, free: 15.65 MB / 314.7 MB Notification: Performance of NFTyping.typeBindings: time 0.00592/0.04708, allocations: 2.791 MB / 376.5 MB, free: 12.85 MB / 314.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002173/0.04925, allocations: 1.255 MB / 377.7 MB, free: 11.59 MB / 314.7 MB Notification: Performance of NFFlatten.flatten: time 0.007001/0.05625, allocations: 7.408 MB / 385.1 MB, free: 4.168 MB / 314.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.004464/0.06072, allocations: 5.312 MB / 390.5 MB, free: 14.78 MB / 330.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004089/0.06481, allocations: 3.847 MB / 394.3 MB, free: 10.92 MB / 330.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003778/0.06859, allocations: 3.764 MB / 398.1 MB, free: 7.148 MB / 330.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0006821/0.06927, allocations: 0.5742 MB / 398.6 MB, free: 6.574 MB / 330.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001879/0.07115, allocations: 1.56 MB / 400.2 MB, free: 5.012 MB / 330.7 MB Notification: Performance of NFScalarize.scalarize: time 0.002365/0.07351, allocations: 3.436 MB / 403.6 MB, free: 1.566 MB / 330.7 MB Notification: Performance of NFVerifyModel.verify: time 0.002089/0.0756, allocations: 2.15 MB / 405.8 MB, free: 15.41 MB / 346.7 MB Notification: Performance of NFConvertDAE.convert: time 0.005882/0.08148, allocations: 7.399 MB / 413.2 MB, free: 7.984 MB / 346.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.268e-06/0.08149, allocations: 0 / 413.2 MB, free: 7.984 MB / 346.7 MB Notification: Performance of FrontEnd: time 1.993e-06/0.08149, allocations: 0 / 413.2 MB, free: 7.984 MB / 346.7 MB Notification: Performance of Transformations before backend: time 6.917e-05/0.08156, allocations: 0 / 413.2 MB, free: 7.984 MB / 346.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2413 * Number of variables: 2413 Notification: Performance of Generate backend data structure: time 0.008981/0.09054, allocations: 8.348 MB / 421.5 MB, free: 15.55 MB / 362.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.995e-05/0.09058, allocations: 8.031 kB / 421.5 MB, free: 15.55 MB / 362.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00783/0.09841, allocations: 3.593 MB / 425.1 MB, free: 11.95 MB / 362.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004395/0.1028, allocations: 3.803 MB / 428.9 MB, free: 8.094 MB / 362.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002091/0.103, allocations: 390.2 kB / 429.3 MB, free: 7.711 MB / 362.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005714/0.1036, allocations: 0.5115 MB / 429.8 MB, free: 7.199 MB / 362.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.1693/0.2729, allocations: 9.914 MB / 439.7 MB, free: 83.64 MB / 362.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002017/0.2731, allocations: 65.95 kB / 439.8 MB, free: 83.61 MB / 362.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000607/0.2737, allocations: 245.1 kB / 440 MB, free: 83.61 MB / 362.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004395/0.2781, allocations: 3.15 MB / 443.2 MB, free: 83.57 MB / 362.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01443/0.2925, allocations: 5.757 MB / 449 MB, free: 82.15 MB / 362.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03688/0.3294, allocations: 63.66 MB / 0.5006 GB, free: 18.18 MB / 362.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.008149/0.3376, allocations: 4.3 MB / 0.5048 GB, free: 13.87 MB / 362.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001374/0.339, allocations: 1.257 MB / 0.506 GB, free: 12.59 MB / 362.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.00011/0.3391, allocations: 54 kB / 0.5061 GB, free: 12.54 MB / 362.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.592e-05/0.3391, allocations: 75.33 kB / 0.5061 GB, free: 12.46 MB / 362.7 MB Notification: Performance of pre-optimization done (n=290): time 5.471e-06/0.3391, allocations: 0 / 0.5061 GB, free: 12.46 MB / 362.7 MB Notification: Performance of matching and sorting (n=332): time 0.0426/0.3817, allocations: 24.8 MB / 0.5304 GB, free: 3.926 MB / 378.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001189/0.3818, allocations: 218 kB / 0.5306 GB, free: 3.668 MB / 378.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005417/0.3872, allocations: 4.743 MB / 0.5352 GB, free: 15.11 MB / 394.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0002078/0.3874, allocations: 77.64 kB / 0.5353 GB, free: 15.03 MB / 394.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.002688/0.3901, allocations: 4.925 MB / 0.5401 GB, free: 10.14 MB / 394.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.00108/0.3912, allocations: 1.339 MB / 0.5414 GB, free: 8.816 MB / 394.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002242/0.3935, allocations: 1.922 MB / 0.5433 GB, free: 6.879 MB / 394.7 MB Notification: Performance of setup shared object (initialization): time 0.000118/0.3936, allocations: 476.8 kB / 0.5437 GB, free: 6.41 MB / 394.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002132/0.3957, allocations: 1.29 MB / 0.545 GB, free: 5.113 MB / 394.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005707/0.4014, allocations: 8.508 MB / 0.5533 GB, free: 9.328 MB / 410.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.009445/0.4109, allocations: 10.76 MB / 0.5638 GB, free: 11.32 MB / 426.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.958e-05/0.4109, allocations: 48 kB / 0.5638 GB, free: 11.27 MB / 426.7 MB Notification: Performance of matching and sorting (n=1156) (initialization): time 0.01328/0.4242, allocations: 9.112 MB / 0.5727 GB, free: 2.152 MB / 426.7 MB Notification: Performance of prepare postOptimizeDAE: time 7.204e-05/0.4243, allocations: 79.94 kB / 0.5728 GB, free: 2.074 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001059/0.4244, allocations: 172 kB / 0.573 GB, free: 1.906 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.003019/0.4274, allocations: 1.469 MB / 0.5744 GB, free: 440 kB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003794/0.4312, allocations: 2.094 MB / 0.5765 GB, free: 14.33 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007846/0.4391, allocations: 7.692 MB / 0.584 GB, free: 6.418 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004244/0.4433, allocations: 0.6146 MB / 0.5846 GB, free: 5.805 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005507/0.4438, allocations: 0.5078 MB / 0.5851 GB, free: 5.297 MB / 442.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 769 * Number of states: 0 () * Number of discrete variables: 54 (Revolute4.cylinderColor[3],Revolute4.cylinderColor[2],Revolute4.cylinderColor[1],Revolute3.cylinderColor[3],Revolute3.cylinderColor[2],Revolute3.cylinderColor[1],Revolute2.cylinderColor[3],Revolute2.cylinderColor[2],Revolute2.cylinderColor[1],frameTorque2.torqueColor[3],frameTorque2.torqueColor[2],frameTorque2.torqueColor[1],frameTorque2.forceColor[3],frameTorque2.forceColor[2],frameTorque2.forceColor[1],frameTorque1.torqueColor[3],frameTorque1.torqueColor[2],frameTorque1.torqueColor[1],frameTorque1.forceColor[3],frameTorque1.forceColor[2],frameTorque1.forceColor[1],fixed2.color[3],fixed2.color[2],fixed2.color[1],body2.color[3],body2.color[2],body2.color[1],body2.body.sphereColor[3],body2.body.sphereColor[2],body2.body.sphereColor[1],fixed1.color[3],fixed1.color[2],fixed1.color[1],body1.color[3],body1.color[2],body1.color[1],body1.body.sphereColor[3],body1.body.sphereColor[2],body1.body.sphereColor[1],Revolute1.cylinderColor[3],Revolute1.cylinderColor[2],Revolute1.cylinderColor[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]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1084): * Single equations (assignments): 1079 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,23,100.0%), (2,23,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.002078/0.4459, allocations: 0.849 MB / 0.5859 GB, free: 4.434 MB / 442.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001094/0.447, allocations: 0.577 MB / 0.5865 GB, free: 3.855 MB / 442.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1773/0.6243, allocations: 4.143 MB / 0.5905 GB, free: 140.4 MB / 442.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.92e-05/0.6244, allocations: 34.06 kB / 0.5905 GB, free: 140.4 MB / 442.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.044e-05/0.6244, allocations: 15.75 kB / 0.5906 GB, free: 140.4 MB / 442.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.593e-05/0.6245, allocations: 17.03 kB / 0.5906 GB, free: 140.4 MB / 442.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0395/0.664, allocations: 10.4 MB / 0.6007 GB, free: 139.5 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.722e-05/0.664, allocations: 7.062 kB / 0.6007 GB, free: 139.5 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00248/0.6665, allocations: 0.5955 MB / 0.6013 GB, free: 139.5 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002654/0.6691, allocations: 1.239 MB / 0.6025 GB, free: 139.4 MB / 442.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001816/0.6693, allocations: 67.47 kB / 0.6026 GB, free: 139.4 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00644/0.6758, allocations: 7.248 MB / 0.6097 GB, free: 134.7 MB / 442.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.266e-06/0.6758, allocations: 5.281 kB / 0.6097 GB, free: 134.7 MB / 442.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007622/0.6834, allocations: 5.643 MB / 0.6152 GB, free: 133 MB / 442.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001303/0.6847, allocations: 1.032 MB / 0.6162 GB, free: 132.7 MB / 442.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004435/0.6851, allocations: 56.84 kB / 0.6163 GB, free: 132.7 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001485/0.6866, allocations: 336.2 kB / 0.6166 GB, free: 132.7 MB / 442.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004097/0.687, allocations: 214.4 kB / 0.6168 GB, free: 132.6 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001731/0.6872, allocations: 92.03 kB / 0.6169 GB, free: 132.6 MB / 442.7 MB Notification: Performance of sorting global known variables: time 0.002148/0.6894, allocations: 2.061 MB / 0.6189 GB, free: 132 MB / 442.7 MB Notification: Performance of sort global known variables: time 1.7e-07/0.6894, allocations: 0 / 0.6189 GB, free: 132 MB / 442.7 MB Notification: Performance of remove unused functions: time 0.005098/0.6945, allocations: 1.914 MB / 0.6207 GB, free: 130.8 MB / 442.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 16 * Number of states: 8 (Revolute1.phi,Revolute1.w,Revolute2.phi,Revolute2.w,Revolute3.phi,Revolute3.w,Revolute4.phi,Revolute4.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 (278): * Single equations (assignments): 273 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(4,18,75.0%), (4,18,75.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0005087/0.695, allocations: 226.5 kB / 0.621 GB, free: 130.6 MB / 442.7 MB Notification: Performance of simCode: created initialization part: time 0.006094/0.7011, allocations: 5.373 MB / 0.6262 GB, free: 125.8 MB / 442.7 MB Notification: Performance of simCode: created event and clocks part: time 3.576e-06/0.7011, allocations: 0 / 0.6262 GB, free: 125.8 MB / 442.7 MB Notification: Performance of simCode: created simulation system equations: time 0.002563/0.7036, allocations: 2.213 MB / 0.6284 GB, free: 123.8 MB / 442.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001977/0.7056, allocations: 0.6093 MB / 0.629 GB, free: 123.3 MB / 442.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01431/0.7199, allocations: 12.85 MB / 0.6415 GB, free: 110.3 MB / 442.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001455/0.7214, allocations: 2.008 MB / 0.6435 GB, free: 108.3 MB / 442.7 MB Notification: Performance of simCode: alias equations: time 0.003312/0.7247, allocations: 2.284 MB / 0.6457 GB, free: 106 MB / 442.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009387/0.7256, allocations: 356.4 kB / 0.646 GB, free: 105.6 MB / 442.7 MB Notification: Performance of SimCode: time 2.194e-06/0.7256, allocations: 0 / 0.646 GB, free: 105.6 MB / 442.7 MB Notification: Performance of Templates: time 0.06684/0.7925, allocations: 61.55 MB / 0.7062 GB, free: 44.12 MB / 442.7 MB " [Timeout remaining time 659] make -j1 -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2.makefile [Timeout 660] (rm -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2.sim & ./ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2 -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2.pipe 2>&1) [Timeout 240] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameForcesAndTorques2_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Forces/FrameForcesAndTorques2/FrameForcesAndTorques2.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 4.928553860867396]