Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus.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 0.001312/0.001312, allocations: 111.1 kB / 20.44 MB, free: 1.184 MB / 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 0.001449/0.001449, allocations: 209.2 kB / 23.73 MB, free: 4.387 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.44/1.44, allocations: 230.6 MB / 257.5 MB, free: 7.785 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo): time 0.2287/0.2287, allocations: 46.96 MB / 360.9 MB, free: 4.016 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+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(ModelicaTest.MultiBody.Visualizers.Torus,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_MultiBody_Visualizers_Torus",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Visualizers.Torus,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_MultiBody_Visualizers_Torus",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.002435/0.002435, allocations: 63.89 kB / 0.4961 GB, free: 7.715 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3248/0.3273, allocations: 66.04 MB / 0.5606 GB, free: 4.219 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Visualizers.Torus): time 0.0122/0.3395, allocations: 9.81 MB / 0.5702 GB, free: 10.36 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.005886/0.3454, allocations: 2.697 MB / 0.5728 GB, free: 7.652 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001159/0.3465, allocations: 63.81 kB / 0.5729 GB, free: 7.59 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002691/0.3492, allocations: 1.308 MB / 0.5741 GB, free: 6.277 MB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.002866/0.3521, allocations: 1.249 MB / 0.5753 GB, free: 5.023 MB / 414.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003785/0.3525, allocations: 87.83 kB / 0.5754 GB, free: 4.938 MB / 414.1 MB Notification: Performance of NFFlatten.flatten: time 0.003551/0.356, allocations: 2.714 MB / 0.5781 GB, free: 2.219 MB / 414.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002284/0.3583, allocations: 1.675 MB / 0.5797 GB, free: 0.5078 MB / 414.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.00163/0.3599, allocations: 1.062 MB / 0.5808 GB, free: 15.44 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002362/0.3623, allocations: 1.537 MB / 0.5823 GB, free: 13.9 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0005557/0.3628, allocations: 208 kB / 0.5825 GB, free: 13.7 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001139/0.364, allocations: 411.5 kB / 0.5828 GB, free: 13.29 MB / 430.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001596/0.3656, allocations: 1.429 MB / 0.5842 GB, free: 11.86 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001923/0.3675, allocations: 1.198 MB / 0.5854 GB, free: 10.65 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.007729/0.3752, allocations: 5.476 MB / 0.5908 GB, free: 5.152 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.245e-06/0.3752, allocations: 0 / 0.5908 GB, free: 5.152 MB / 430.1 MB Notification: Performance of FrontEnd: time 2.695e-06/0.3752, allocations: 3.938 kB / 0.5908 GB, free: 5.148 MB / 430.1 MB Notification: Performance of Transformations before backend: time 0.0002158/0.3755, allocations: 0 / 0.5908 GB, free: 5.148 MB / 430.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1443 * Number of variables: 1443 Notification: Performance of Generate backend data structure: time 0.00795/0.3834, allocations: 3.604 MB / 0.5943 GB, free: 1.492 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.767e-05/0.3835, allocations: 8.031 kB / 0.5943 GB, free: 1.484 MB / 430.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001178/0.3846, allocations: 0.6748 MB / 0.595 GB, free: 0.8008 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01031/0.395, allocations: 2.958 MB / 0.5978 GB, free: 13.84 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004861/0.3998, allocations: 1.488 MB / 0.5993 GB, free: 12.32 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002292/0.4001, allocations: 176.6 kB / 0.5995 GB, free: 12.14 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001107/0.4012, allocations: 223.8 kB / 0.5997 GB, free: 11.93 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01737/0.4185, allocations: 9.468 MB / 0.6089 GB, free: 2.074 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.066e-05/0.4186, allocations: 19.81 kB / 0.6089 GB, free: 2.055 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003654/0.419, allocations: 107.8 kB / 0.609 GB, free: 1.949 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004031/0.423, allocations: 2.373 MB / 0.6114 GB, free: 15.57 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01722/0.4402, allocations: 8.656 MB / 0.6198 GB, free: 6.902 MB / 462.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04617/0.4864, allocations: 27.64 MB / 0.6468 GB, free: 10.45 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.005232/0.4916, allocations: 2.033 MB / 0.6488 GB, free: 8.414 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001707/0.4933, allocations: 0.8945 MB / 0.6497 GB, free: 7.516 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01058/0.5039, allocations: 3.775 MB / 0.6534 GB, free: 3.707 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.713e-05/0.5039, allocations: 47.2 kB / 0.6534 GB, free: 3.652 MB / 494.1 MB Notification: Performance of pre-optimization done (n=126): time 5.43e-06/0.5039, allocations: 0 / 0.6534 GB, free: 3.652 MB / 494.1 MB Notification: Performance of matching and sorting (n=126): time 0.006474/0.5104, allocations: 2.753 MB / 0.6561 GB, free: 0.8906 MB / 494.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.339e-05/0.5105, allocations: 60.06 kB / 0.6561 GB, free: 0.8203 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0044/0.5149, allocations: 2.736 MB / 0.6588 GB, free: 14.05 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 7.975e-05/0.5149, allocations: 37.7 kB / 0.6589 GB, free: 14.01 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.002162/0.5171, allocations: 2.759 MB / 0.6615 GB, free: 11.23 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005576/0.5177, allocations: 0.5117 MB / 0.662 GB, free: 10.71 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001327/0.519, allocations: 0.9013 MB / 0.6629 GB, free: 9.797 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 0.0001939/0.5192, allocations: 357.9 kB / 0.6633 GB, free: 9.441 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002151/0.5213, allocations: 1.355 MB / 0.6646 GB, free: 8.078 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004477/0.5258, allocations: 4.118 MB / 0.6686 GB, free: 2.57 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007424/0.5332, allocations: 5.964 MB / 0.6744 GB, free: 11.23 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.008e-05/0.5333, allocations: 28 kB / 0.6745 GB, free: 11.21 MB / 0.5137 GB Notification: Performance of matching and sorting (n=588) (initialization): time 0.01032/0.5437, allocations: 5.296 MB / 0.6796 GB, free: 5.902 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001153/0.5438, allocations: 51.92 kB / 0.6797 GB, free: 5.852 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001761/0.5439, allocations: 100 kB / 0.6798 GB, free: 5.754 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001558/0.5441, allocations: 132 kB / 0.6799 GB, free: 5.625 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00342/0.5475, allocations: 0.9786 MB / 0.6809 GB, free: 4.645 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002194/0.5477, allocations: 191.2 kB / 0.681 GB, free: 4.457 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003699/0.5514, allocations: 0.613 MB / 0.6816 GB, free: 3.84 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006734/0.5521, allocations: 284 kB / 0.6819 GB, free: 3.562 MB / 0.5137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 446 * Number of states: 0 () * Number of discrete variables: 21 (fixedFrame1.color_x[3],fixedFrame1.color_x[2],fixedFrame1.color_x[1],fixedFrame.color_x[3],fixedFrame.color_x[2],fixedFrame.color_x[1],fixedTranslation.color[3],fixedTranslation.color[2],fixedTranslation.color[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (540): * Single equations (assignments): 534 * Array equations: 6 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.004366/0.5565, allocations: 1.899 MB / 0.6838 GB, free: 1.648 MB / 0.5137 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000642/0.5571, allocations: 222.5 kB / 0.684 GB, free: 1.43 MB / 0.5137 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007719/0.5579, allocations: 271.3 kB / 0.6842 GB, free: 1.16 MB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.401e-05/0.5579, allocations: 16 kB / 0.6843 GB, free: 1.145 MB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.222e-05/0.5579, allocations: 0 / 0.6843 GB, free: 1.145 MB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.569e-05/0.558, allocations: 3.984 kB / 0.6843 GB, free: 1.141 MB / 0.5137 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01222/0.5702, allocations: 5.453 MB / 0.6896 GB, free: 11.57 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.428e-05/0.5702, allocations: 4 kB / 0.6896 GB, free: 11.56 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000674/0.5709, allocations: 131.8 kB / 0.6897 GB, free: 11.43 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.839e-05/0.5709, allocations: 8.562 kB / 0.6897 GB, free: 11.43 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.422e-05/0.571, allocations: 27.89 kB / 0.6897 GB, free: 11.4 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.567e-05/0.571, allocations: 15.94 kB / 0.6898 GB, free: 11.39 MB / 0.5294 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.542e-06/0.571, allocations: 4 kB / 0.6898 GB, free: 11.38 MB / 0.5294 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002599/0.5736, allocations: 1.801 MB / 0.6915 GB, free: 9.508 MB / 0.5294 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006383/0.5742, allocations: 218.2 kB / 0.6917 GB, free: 9.293 MB / 0.5294 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004393/0.5747, allocations: 16 kB / 0.6917 GB, free: 9.277 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007903/0.5755, allocations: 43.94 kB / 0.6918 GB, free: 9.234 MB / 0.5294 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001402/0.5756, allocations: 64.28 kB / 0.6919 GB, free: 9.172 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.807e-05/0.5757, allocations: 43.98 kB / 0.6919 GB, free: 9.129 MB / 0.5294 GB Notification: Performance of sorting global known variables: time 0.002996/0.5787, allocations: 1.556 MB / 0.6934 GB, free: 7.559 MB / 0.5294 GB Notification: Performance of sort global known variables: time 1.1e-07/0.5787, allocations: 0 / 0.6934 GB, free: 7.559 MB / 0.5294 GB Notification: Performance of remove unused functions: time 0.003859/0.5826, allocations: 1.004 MB / 0.6944 GB, free: 6.551 MB / 0.5294 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 19 * Number of states: 0 () * 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 (78): * Single equations (assignments): 72 * Array equations: 6 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.003096/0.5856, allocations: 2.441 MB / 0.6968 GB, free: 4.027 MB / 0.5294 GB Notification: Performance of simCode: created initialization part: time 0.004978/0.5906, allocations: 3.014 MB / 0.6997 GB, free: 1.039 MB / 0.5294 GB Notification: Performance of simCode: created event and clocks part: time 1.013e-05/0.5906, allocations: 4 kB / 0.6997 GB, free: 1.035 MB / 0.5294 GB Notification: Performance of simCode: created simulation system equations: time 0.0009828/0.5916, allocations: 0.684 MB / 0.7004 GB, free: 364 kB / 0.5294 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001595/0.5932, allocations: 257.5 kB / 0.7006 GB, free: 112 kB / 0.5294 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3043/0.8975, allocations: 29.38 MB / 0.7293 GB, free: 161 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003871/0.9014, allocations: 2.414 MB / 0.7317 GB, free: 160.8 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.002532/0.9039, allocations: 1.488 MB / 0.7331 GB, free: 160.7 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001305/0.9052, allocations: 1.512 MB / 0.7346 GB, free: 159.6 MB / 0.5606 GB Notification: Performance of SimCode: time 1.202e-06/0.9052, allocations: 0 / 0.7346 GB, free: 159.6 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.07217/0.9774, allocations: 38.14 MB / 0.7719 GB, free: 124.8 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.69/14.67, allocations: 8.047 kB / 0.7719 GB, free: 124.8 MB / 0.5606 GB " [Timeout remaining time 645] (rm -f ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus_res.mat --tempDir=temp_ModelicaTest_4_1_0_ModelicaTest_MultiBody_Visualizers_Torus_fmu --startTime=0 --stopTime=2 --stepSize=0.00039984 --timeout=50 --tolerance=1e-06 ModelicaTest_4_1_0_ModelicaTest_MultiBody_Visualizers_Torus.fmu > ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/MultiBody/Visualizers/Torus/Torus.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable torus1.surface.nu in file ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus_res.mat. Warning: Get data of variable torus1.surface.nu from file ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus_res.mat failed! Error: Could not read variable torus1.surface.nv in file ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus_res.mat. Warning: Get data of variable torus1.surface.nv from file ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus_res.mat failed! Error: Could not read variable torus2.surface.nu in file ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus_res.mat. Warning: Get data of variable torus2.surface.nu from file ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus_res.mat failed! Error: Could not read variable torus2.surface.nv in file ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus_res.mat. Warning: Get data of variable torus2.surface.nv from file ModelicaTest_4.1.0_ModelicaTest.MultiBody.Visualizers.Torus_res.mat failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 17.803737334907055]