Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity.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 0.001633/0.001633, allocations: 107.6 kB / 21.18 MB, free: 452 kB / 14.72 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 0.00215/0.00215, allocations: 214.8 kB / 24.47 MB, free: 3.777 MB / 14.72 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 1.521/1.521, allocations: 207.7 MB / 235.3 MB, free: 9.793 MB / 190.1 MB " [Timeout remaining time 178] 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: "" <> buildModelFMU(Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity,fileNamePrefix="Modelica_3_2_3_Modelica_Mechanics_MultiBody_Examples_Elementary_PointGravity",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity,fileNamePrefix="Modelica_3_2_3_Modelica_Mechanics_MultiBody_Examples_Elementary_PointGravity",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Modelica requested package Complex of version 3.2.3. Complex 4.1.0 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 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001715/0.001715, allocations: 51.92 kB / 347.2 MB, free: 9.879 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2666/0.2684, allocations: 49.16 MB / 396.3 MB, free: 9.098 MB / 318.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity): time 0.00637/0.2747, allocations: 6.212 MB / 402.6 MB, free: 5.043 MB / 318.1 MB Notification: Performance of NFInst.instExpressions: time 0.004886/0.2796, allocations: 2.942 MB / 405.5 MB, free: 3.234 MB / 318.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005616/0.2802, allocations: 40.03 kB / 405.5 MB, free: 3.223 MB / 318.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001436/0.2816, allocations: 0.6532 MB / 406.2 MB, free: 2.961 MB / 318.1 MB Notification: Performance of NFTyping.typeBindings: time 0.002901/0.2845, allocations: 1.431 MB / 407.6 MB, free: 2.363 MB / 318.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001056/0.2856, allocations: 0.4933 MB / 408.1 MB, free: 2.195 MB / 318.1 MB Notification: Performance of NFFlatten.flatten: time 0.003817/0.2894, allocations: 3.128 MB / 411.2 MB, free: 0.7344 MB / 318.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.000567/0.2899, allocations: 0.4932 MB / 411.7 MB, free: 380 kB / 318.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.000946/0.2909, allocations: 0.8233 MB / 412.6 MB, free: 15.91 MB / 334.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001602/0.2925, allocations: 1.317 MB / 413.9 MB, free: 15.17 MB / 334.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0003053/0.2928, allocations: 134.6 kB / 414 MB, free: 15.16 MB / 334.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.00161/0.2944, allocations: 0.8559 MB / 414.9 MB, free: 14.78 MB / 334.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0009962/0.2954, allocations: 1.121 MB / 416 MB, free: 14.15 MB / 334.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0009418/0.2964, allocations: 0.9009 MB / 416.9 MB, free: 13.55 MB / 334.1 MB Notification: Performance of NFConvertDAE.convert: time 0.004403/0.3008, allocations: 4.103 MB / 421 MB, free: 10.57 MB / 334.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.987e-06/0.3008, allocations: 0 / 421 MB, free: 10.57 MB / 334.1 MB Notification: Performance of FrontEnd: time 1.493e-06/0.3008, allocations: 0 / 421 MB, free: 10.57 MB / 334.1 MB Notification: Performance of Transformations before backend: time 6.661e-05/0.3008, allocations: 0 / 421 MB, free: 10.57 MB / 334.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 911 * Number of variables: 911 Notification: Performance of Generate backend data structure: time 0.007069/0.3079, allocations: 3.261 MB / 424.3 MB, free: 7.262 MB / 334.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.869e-05/0.3079, allocations: 11.98 kB / 424.3 MB, free: 7.25 MB / 334.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005083/0.3084, allocations: 437.4 kB / 424.7 MB, free: 6.812 MB / 334.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008123/0.3166, allocations: 1.929 MB / 426.6 MB, free: 4.879 MB / 334.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005136/0.3217, allocations: 2.521 MB / 429.1 MB, free: 2.328 MB / 334.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001073/0.3218, allocations: 110.6 kB / 429.3 MB, free: 2.219 MB / 334.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000893/0.3227, allocations: 303.5 kB / 429.5 MB, free: 1.922 MB / 334.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01474/0.3374, allocations: 8.223 MB / 437.8 MB, free: 9.133 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.639e-05/0.3375, allocations: 39.64 kB / 437.8 MB, free: 9.094 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002592/0.3378, allocations: 83.83 kB / 437.9 MB, free: 9.012 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.002297/0.3401, allocations: 1.397 MB / 439.3 MB, free: 7.609 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01818/0.3583, allocations: 9.553 MB / 448.8 MB, free: 14.05 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03701/0.3953, allocations: 29.58 MB / 478.4 MB, free: 15.61 MB / 398.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01158/0.4068, allocations: 3.889 MB / 482.3 MB, free: 11.67 MB / 398.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002782/0.4096, allocations: 2.074 MB / 484.4 MB, free: 9.582 MB / 398.1 MB Notification: Performance of preOpt evalFunc (simulation): time 6.307e-05/0.4097, allocations: 12 kB / 484.4 MB, free: 9.57 MB / 398.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.157e-05/0.4097, allocations: 50.5 kB / 484.4 MB, free: 9.512 MB / 398.1 MB Notification: Performance of pre-optimization done (n=122): time 3.737e-06/0.4097, allocations: 4 kB / 484.4 MB, free: 9.508 MB / 398.1 MB Notification: Performance of matching and sorting (n=136): time 0.04689/0.4566, allocations: 18.03 MB / 0.4907 GB, free: 7.355 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.002685/0.4593, allocations: 3.021 MB / 0.4936 GB, free: 4.051 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004484/0.4638, allocations: 3.202 MB / 0.4968 GB, free: 0.8281 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0004081/0.4642, allocations: 41.7 kB / 0.4968 GB, free: 0.7812 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.001613/0.4658, allocations: 2.183 MB / 0.4989 GB, free: 14.57 MB / 430.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0008412/0.4667, allocations: 0.5854 MB / 0.4995 GB, free: 13.98 MB / 430.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001484/0.4681, allocations: 1.016 MB / 0.5005 GB, free: 12.96 MB / 430.1 MB Notification: Performance of setup shared object (initialization): time 0.0001097/0.4683, allocations: 304.9 kB / 0.5008 GB, free: 12.66 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003903/0.4722, allocations: 2.574 MB / 0.5033 GB, free: 10.08 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006186/0.4783, allocations: 5.532 MB / 0.5087 GB, free: 3.07 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01138/0.4897, allocations: 8.519 MB / 0.517 GB, free: 9.086 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.046e-05/0.4898, allocations: 32 kB / 0.5171 GB, free: 9.055 MB / 446.1 MB Notification: Performance of matching and sorting (n=636) (initialization): time 0.02466/0.5145, allocations: 9.855 MB / 0.5267 GB, free: 15.16 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 7.794e-05/0.5145, allocations: 48 kB / 0.5267 GB, free: 15.11 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.01256/0.5271, allocations: 5.092 MB / 0.5317 GB, free: 9.992 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.009272/0.5364, allocations: 2.347 MB / 0.534 GB, free: 7.617 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004468/0.5409, allocations: 1.232 MB / 0.5352 GB, free: 6.383 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00946/0.5503, allocations: 8.242 MB / 0.5433 GB, free: 13.68 MB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00555/0.5559, allocations: 0.5694 MB / 0.5438 GB, free: 13.11 MB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001049/0.5569, allocations: 319.9 kB / 0.5441 GB, free: 12.8 MB / 478.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 475 * Number of states: 0 () * Number of discrete variables: 18 (body2.sphereColor[3],body2.sphereColor[2],body2.sphereColor[1],body1.sphereColor[3],body1.sphereColor[2],body1.sphereColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (584): * Single equations (assignments): 569 * Array equations: 7 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * 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): 4 systems {(3,100.0%), (4,100.0%), (3,100.0%), (4,100.0%)} * Non-linear Jacobian (size): 2 systems {4, 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 {(2,1,100.0%), (2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.002604/0.5595, allocations: 1.414 MB / 0.5455 GB, free: 11.37 MB / 478.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006786/0.5602, allocations: 266.2 kB / 0.5457 GB, free: 11.11 MB / 478.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008488/0.561, allocations: 423.4 kB / 0.5462 GB, free: 10.69 MB / 478.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.01231/0.5734, allocations: 4.994 MB / 0.551 GB, free: 5.66 MB / 478.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.408e-05/0.5734, allocations: 11.98 kB / 0.551 GB, free: 5.648 MB / 478.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.273e-05/0.5734, allocations: 11.92 kB / 0.5511 GB, free: 5.637 MB / 478.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.009066/0.5825, allocations: 4.816 MB / 0.5558 GB, free: 0.7383 MB / 478.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.686e-06/0.5825, allocations: 4 kB / 0.5558 GB, free: 0.7344 MB / 478.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001757/0.5842, allocations: 363.4 kB / 0.5561 GB, free: 388 kB / 478.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.1837/0.7679, allocations: 2.381 MB / 0.5584 GB, free: 144.7 MB / 478.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005629/0.7685, allocations: 46.83 kB / 0.5585 GB, free: 144.7 MB / 478.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.009229/0.7777, allocations: 9.001 MB / 0.5673 GB, free: 139.7 MB / 478.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.001389/0.7791, allocations: 2.868 MB / 0.5701 GB, free: 137 MB / 478.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01644/0.7955, allocations: 8.769 MB / 0.5786 GB, free: 134.2 MB / 478.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0009063/0.7964, allocations: 267.6 kB / 0.5789 GB, free: 134.2 MB / 478.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004255/0.7969, allocations: 32.98 kB / 0.5789 GB, free: 134.2 MB / 478.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002043/0.7989, allocations: 325 kB / 0.5792 GB, free: 134.1 MB / 478.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003854/0.7993, allocations: 107.6 kB / 0.5793 GB, free: 134.1 MB / 478.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001685/0.7995, allocations: 53.23 kB / 0.5794 GB, free: 134.1 MB / 478.1 MB Notification: Performance of sorting global known variables: time 0.002416/0.8019, allocations: 1.895 MB / 0.5812 GB, free: 133.5 MB / 478.1 MB Notification: Performance of sort global known variables: time 1.1e-07/0.8019, allocations: 0 / 0.5812 GB, free: 133.5 MB / 478.1 MB Notification: Performance of remove unused functions: time 0.003791/0.8057, allocations: 0.9614 MB / 0.5822 GB, free: 133.4 MB / 478.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 24 ($STATESET2.x[3],$STATESET2.x[2],$STATESET2.x[1],body2.frame_a.r_0[1],body2.frame_a.r_0[2],body2.frame_a.r_0[3],body2.v_0[1],body2.v_0[2],body2.v_0[3],body2.w_a[1],body2.w_a[2],body2.w_a[3],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],body1.frame_a.r_0[1],body1.frame_a.r_0[2],body1.frame_a.r_0[3],body1.v_0[1],body1.v_0[2],body1.v_0[3],body1.w_a[1],body1.w_a[2],body1.w_a[3]) * 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 (92): * Single equations (assignments): 81 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * 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): 4 systems {(3,100.0%), (4,100.0%), (3,100.0%), (4,100.0%)} * Non-linear Jacobian (size): 2 systems {4, 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 {(2,1,100.0%), (2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.01469/0.8204, allocations: 9.422 MB / 0.5914 GB, free: 129.7 MB / 478.1 MB Notification: Performance of simCode: created initialization part: time 0.009716/0.8301, allocations: 6.744 MB / 0.598 GB, free: 123.6 MB / 478.1 MB Notification: Performance of simCode: created event and clocks part: time 4.388e-06/0.8301, allocations: 3.875 kB / 0.598 GB, free: 123.6 MB / 478.1 MB Notification: Performance of simCode: created simulation system equations: time 0.005214/0.8353, allocations: 3.267 MB / 0.6011 GB, free: 120.3 MB / 478.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002033/0.8373, allocations: 311.9 kB / 0.6014 GB, free: 120 MB / 478.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.06002/0.8973, allocations: 45.39 MB / 0.6458 GB, free: 70.43 MB / 478.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001989/0.8993, allocations: 1.735 MB / 0.6475 GB, free: 68.66 MB / 478.1 MB Notification: Performance of simCode: alias equations: time 0.003862/0.9032, allocations: 1.66 MB / 0.6491 GB, free: 66.99 MB / 478.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001756/0.9049, allocations: 1.175 MB / 0.6502 GB, free: 65.82 MB / 478.1 MB Notification: Performance of SimCode: time 1.212e-06/0.9049, allocations: 3.391 kB / 0.6502 GB, free: 65.82 MB / 478.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.882/3.787, allocations: 64.18 MB / 0.7129 GB, free: 1.348 MB / 478.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 21.55/25.33, allocations: 3.859 kB / 0.7129 GB, free: 1.344 MB / 478.1 MB " [Timeout remaining time 635] (rm -f Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity.pipe ; mkfifo Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity.pipe >> ../files/Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity_res.mat --tempDir=temp_Modelica_3_2_3_Modelica_Mechanics_MultiBody_Examples_Elementary_PointGravity_fmu --startTime=0 --stopTime=5 --stepSize=0.0009996 --timeout=50 --tolerance=1e-06 Modelica_3_2_3_Modelica_Mechanics_MultiBody_Examples_Elementary_PointGravity.fmu > Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity.pipe 2>&1) [Timeout 52.5] diffSimulationResults("Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/Modelica/Mechanics/MultiBody/Examples/Elementary/PointGravity/PointGravity.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravity.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: 28.468827759847045]