Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.MultiBody.Parts.Bodies.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 0.001638/0.001638, allocations: 112.2 kB / 21.22 MB, free: 0.7305 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 0.001545/0.001545, allocations: 212.2 kB / 24.53 MB, free: 4.07 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 1.49/1.49, allocations: 230.6 MB / 258.3 MB, free: 8.004 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2292/0.2292, allocations: 44.91 MB / 359.6 MB, free: 6.254 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+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.Parts.Bodies,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Parts_Bodies",fmuType="cs",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Parts.Bodies,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Parts_Bodies",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 660] "Notification: ModelicaTest requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002113/0.002113, allocations: 67.89 kB / 0.4939 GB, free: 10.69 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.305/0.3071, allocations: 65.46 MB / 0.5578 GB, free: 7.527 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Parts.Bodies): time 0.01836/0.3255, allocations: 14.72 MB / 0.5722 GB, free: 8.98 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.01222/0.3377, allocations: 4.712 MB / 0.5768 GB, free: 4.254 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003845/0.3416, allocations: 123.3 kB / 0.5769 GB, free: 4.133 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.007069/0.3486, allocations: 3.154 MB / 0.58 GB, free: 0.9688 MB / 414.1 MB Notification: Performance of NFTyping.typeBindings: time 0.006403/0.355, allocations: 2.086 MB / 0.582 GB, free: 14.87 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.00249/0.3575, allocations: 1.014 MB / 0.583 GB, free: 13.86 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.01058/0.3681, allocations: 6.953 MB / 0.5898 GB, free: 6.891 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.004942/0.373, allocations: 2.859 MB / 0.5926 GB, free: 3.961 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003966/0.377, allocations: 1.858 MB / 0.5944 GB, free: 2.098 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004998/0.382, allocations: 2.82 MB / 0.5971 GB, free: 15.27 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001306/0.3833, allocations: 356 kB / 0.5975 GB, free: 14.92 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002462/0.3858, allocations: 0.9169 MB / 0.5984 GB, free: 14 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002959/0.3887, allocations: 2.353 MB / 0.6007 GB, free: 11.64 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.003466/0.3922, allocations: 2.394 MB / 0.603 GB, free: 9.238 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.008603/0.4008, allocations: 6.97 MB / 0.6098 GB, free: 2.242 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 7.795e-06/0.4008, allocations: 4 kB / 0.6098 GB, free: 2.238 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.603e-06/0.4008, allocations: 0 / 0.6098 GB, free: 2.238 MB / 446.1 MB Notification: Performance of Transformations before backend: time 0.0001827/0.401, allocations: 0 / 0.6098 GB, free: 2.238 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1021 * Number of variables: 1021 Notification: Performance of Generate backend data structure: time 0.01508/0.4161, allocations: 5.488 MB / 0.6152 GB, free: 12.69 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.927e-05/0.4161, allocations: 12.03 kB / 0.6152 GB, free: 12.68 MB / 462.1 MB Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 0.0001103/0.4162, allocations: 77.52 kB / 0.6153 GB, free: 12.6 MB / 462.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001032/0.4173, allocations: 0.512 MB / 0.6158 GB, free: 12.08 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.1105/0.5278, allocations: 8.222 MB / 0.6238 GB, free: 3.844 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01197/0.5398, allocations: 5.13 MB / 0.6288 GB, free: 14.63 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002444/0.54, allocations: 209.4 kB / 0.629 GB, free: 14.43 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008873/0.5409, allocations: 283.8 kB / 0.6293 GB, free: 14.15 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01399/0.5549, allocations: 6.91 MB / 0.636 GB, free: 6.68 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002048/0.5551, allocations: 59.59 kB / 0.6361 GB, free: 6.621 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004377/0.5556, allocations: 123.9 kB / 0.6362 GB, free: 6.5 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001697/0.5572, allocations: 1.002 MB / 0.6372 GB, free: 5.492 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01132/0.5686, allocations: 4.932 MB / 0.642 GB, free: 0.5625 MB / 478.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0376/0.6062, allocations: 27.2 MB / 0.6685 GB, free: 4.617 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002664/0.6088, allocations: 0.7153 MB / 0.6692 GB, free: 3.855 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000362/0.6092, allocations: 212.3 kB / 0.6694 GB, free: 3.633 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 3.413e-05/0.6092, allocations: 20.23 kB / 0.6695 GB, free: 3.613 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.973e-05/0.6093, allocations: 38.56 kB / 0.6695 GB, free: 3.566 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=37): time 2.565e-06/0.6093, allocations: 0 / 0.6695 GB, free: 3.566 MB / 0.4981 GB Notification: Performance of matching and sorting (n=37): time 0.007096/0.6164, allocations: 1.966 MB / 0.6714 GB, free: 1.59 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001378/0.6165, allocations: 243.3 kB / 0.6717 GB, free: 1.297 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007747/0.6242, allocations: 4.762 MB / 0.6763 GB, free: 12.53 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 8.302e-05/0.6243, allocations: 29.7 kB / 0.6763 GB, free: 12.5 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.002613/0.6269, allocations: 2.841 MB / 0.6791 GB, free: 9.637 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002501/0.6272, allocations: 202.8 kB / 0.6793 GB, free: 9.438 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009269/0.6281, allocations: 0.7263 MB / 0.68 GB, free: 8.703 MB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 0.0001276/0.6282, allocations: 309.1 kB / 0.6803 GB, free: 8.398 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001346/0.6296, allocations: 0.7953 MB / 0.6811 GB, free: 7.602 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003528/0.6331, allocations: 3.418 MB / 0.6844 GB, free: 2.855 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005546/0.6387, allocations: 4.542 MB / 0.6889 GB, free: 12.98 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.876e-05/0.6387, allocations: 28 kB / 0.6889 GB, free: 12.96 MB / 0.5294 GB Notification: Performance of matching and sorting (n=449) (initialization): time 0.007841/0.6466, allocations: 4.068 MB / 0.6929 GB, free: 8.883 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 7.798e-05/0.6467, allocations: 48 kB / 0.6929 GB, free: 8.836 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001073/0.6468, allocations: 92.91 kB / 0.693 GB, free: 8.746 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001303/0.6469, allocations: 127.9 kB / 0.6931 GB, free: 8.621 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002472/0.6494, allocations: 0.8539 MB / 0.6939 GB, free: 7.766 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0001575/0.6495, allocations: 183.2 kB / 0.6941 GB, free: 7.586 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003492/0.653, allocations: 0.5506 MB / 0.6947 GB, free: 7.035 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003959/0.6534, allocations: 236 kB / 0.6949 GB, free: 6.805 MB / 0.5294 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 430 * Number of states: 0 () * Number of discrete variables: 54 (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],Fixed2.color[3],Fixed2.color[2],Fixed2.color[1],Fixed1.color[3],Fixed1.color[2],Fixed1.color[1],body1.sphereColor[3],body1.sphereColor[2],body1.sphereColor[1],Fixed5.color[3],Fixed5.color[2],Fixed5.color[1],Fixed4.color[3],Fixed4.color[2],Fixed4.color[1],Fixed3.color[3],Fixed3.color[2],Fixed3.color[1],bodyCylinder.color[3],bodyCylinder.color[2],bodyCylinder.color[1],bodyCylinder.body.sphereColor[3],bodyCylinder.body.sphereColor[2],bodyCylinder.body.sphereColor[1],BodyBox1.color[3],BodyBox1.color[2],BodyBox1.color[1],BodyBox1.body.sphereColor[3],BodyBox1.body.sphereColor[2],BodyBox1.body.sphereColor[1],bodyShape.color[3],bodyShape.color[2],bodyShape.color[1],bodyShape.body.sphereColor[3],bodyShape.body.sphereColor[2],bodyShape.body.sphereColor[1],bodyShape.frameTranslation.color[3],bodyShape.frameTranslation.color[2],bodyShape.frameTranslation.color[1],body2.sphereColor[3],body2.sphereColor[2],body2.sphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (449): * Single equations (assignments): 449 * Array equations: 0 * 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 0.002503/0.6559, allocations: 1.625 MB / 0.6965 GB, free: 5.164 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007468/0.6567, allocations: 393.4 kB / 0.6968 GB, free: 4.777 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007028/0.6574, allocations: 397.6 kB / 0.6972 GB, free: 4.387 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.044e-05/0.6574, allocations: 8.047 kB / 0.6972 GB, free: 4.379 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.538e-06/0.6574, allocations: 3.984 kB / 0.6972 GB, free: 4.375 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.22e-06/0.6574, allocations: 0 / 0.6972 GB, free: 4.375 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.008011/0.6654, allocations: 4.736 MB / 0.7019 GB, free: 15.38 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.48e-05/0.6654, allocations: 12 kB / 0.7019 GB, free: 15.37 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003333/0.6657, allocations: 111.8 kB / 0.702 GB, free: 15.26 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.156e-05/0.6658, allocations: 20 kB / 0.702 GB, free: 15.24 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.096e-05/0.6658, allocations: 27.94 kB / 0.702 GB, free: 15.21 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.486e-05/0.6658, allocations: 27.92 kB / 0.7021 GB, free: 15.18 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.678e-05/0.6658, allocations: 23.88 kB / 0.7021 GB, free: 15.16 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001737/0.6676, allocations: 1.256 MB / 0.7033 GB, free: 13.68 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001104/0.6687, allocations: 429.1 kB / 0.7037 GB, free: 13.26 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006417/0.6693, allocations: 31.98 kB / 0.7037 GB, free: 13.23 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001148/0.6705, allocations: 43.97 kB / 0.7038 GB, free: 13.19 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.941e-05/0.6706, allocations: 79.55 kB / 0.7039 GB, free: 13.11 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.948e-05/0.6706, allocations: 32.19 kB / 0.7039 GB, free: 13.08 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.00543/0.676, allocations: 3.136 MB / 0.707 GB, free: 9.949 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.4e-07/0.676, allocations: 4 kB / 0.707 GB, free: 9.945 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.003736/0.6798, allocations: 0.8344 MB / 0.7078 GB, free: 9.109 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 61 * 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 (61): * Single equations (assignments): 61 * Array equations: 0 * 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 0.002046/0.6818, allocations: 1.841 MB / 0.7096 GB, free: 7.051 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.003281/0.6851, allocations: 1.872 MB / 0.7114 GB, free: 5.203 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 8.145e-06/0.6851, allocations: 4.062 kB / 0.7114 GB, free: 5.199 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.00036/0.6855, allocations: 262.5 kB / 0.7116 GB, free: 4.945 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003512/0.689, allocations: 0.6672 MB / 0.7123 GB, free: 4.281 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3224/1.011, allocations: 34.73 MB / 0.7462 GB, free: 148.9 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002241/1.014, allocations: 2.839 MB / 0.749 GB, free: 147.6 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.002312/1.016, allocations: 1.159 MB / 0.7501 GB, free: 147 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001495/1.017, allocations: 1.703 MB / 0.7518 GB, free: 145.4 MB / 0.5606 GB Notification: Performance of SimCode: time 8.91e-07/1.017, allocations: 4 kB / 0.7518 GB, free: 145.4 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09638/1.114, allocations: 69.64 MB / 0.8198 GB, free: 76.29 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate platform static: time 21.18/22.29, allocations: 15.31 kB / 0.8198 GB, free: 76.28 MB / 0.5606 GB " [Timeout remaining time 637] (rm -f ModelicaTest_4.0.0_ModelicaTest.MultiBody.Parts.Bodies.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.MultiBody.Parts.Bodies.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.MultiBody.Parts.Bodies.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Parts.Bodies.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.0.0_ModelicaTest.MultiBody.Parts.Bodies_res.mat --tempDir=temp_ModelicaTest_4_0_0_ModelicaTest_MultiBody_Parts_Bodies_fmu --startTime=0 --stopTime=1.1 --stepSize=0.000219912 --timeout=50 --tolerance=1e-06 ModelicaTest_4_0_0_ModelicaTest_MultiBody_Parts_Bodies.fmu > ModelicaTest_4.0.0_ModelicaTest.MultiBody.Parts.Bodies.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.MultiBody.Parts.Bodies_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/MultiBody/Parts/Bodies/Bodies.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Parts.Bodies.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 659] Reference file matches [Calling sys.exit(0), Time elapsed: 27.51662877597846]