Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques.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 0.001619/0.001619, allocations: 114.5 kB / 17.13 MB, free: 5.93 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 0.001965/0.001965, allocations: 212 kB / 20.09 MB, free: 2.977 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 1.507/1.507, allocations: 207.6 MB / 230.5 MB, free: 4.066 MB / 174.1 MB " [Timeout remaining time 178] 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 0.3367/0.3367, allocations: 44.24 MB / 326.6 MB, free: 6.789 MB / 254.1 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: "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.FrameTorques,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_MultiBody_Forces_FrameTorques",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.FrameTorques,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_MultiBody_Forces_FrameTorques",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 0.002174/0.002174, allocations: 64.47 kB / 462.3 MB, free: 0.8477 MB / 382.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2666/0.2687, allocations: 61 MB / 0.511 GB, free: 13.43 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.FrameTorques): time 0.0124/0.2811, allocations: 14.3 MB / 0.525 GB, free: 0.7109 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.0113/0.2924, allocations: 4.684 MB / 0.5296 GB, free: 12.01 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003506/0.296, allocations: 107.5 kB / 0.5297 GB, free: 11.9 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.008111/0.3041, allocations: 3.827 MB / 0.5334 GB, free: 8.062 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.006938/0.311, allocations: 2.486 MB / 0.5358 GB, free: 5.566 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002597/0.3136, allocations: 0.9982 MB / 0.5368 GB, free: 4.566 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.009406/0.323, allocations: 6.037 MB / 0.5427 GB, free: 14.52 MB / 414.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005388/0.3284, allocations: 3.96 MB / 0.5466 GB, free: 10.49 MB / 414.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004047/0.3324, allocations: 2.161 MB / 0.5487 GB, free: 8.324 MB / 414.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005227/0.3377, allocations: 3.119 MB / 0.5517 GB, free: 5.195 MB / 414.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001633/0.3393, allocations: 456 kB / 0.5522 GB, free: 4.75 MB / 414.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0037/0.343, allocations: 1.525 MB / 0.5536 GB, free: 3.223 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.003681/0.3467, allocations: 2.773 MB / 0.5564 GB, free: 452 kB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0062/0.3529, allocations: 3.092 MB / 0.5594 GB, free: 13.33 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01532/0.3682, allocations: 9.851 MB / 0.569 GB, free: 3.445 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.833e-06/0.3682, allocations: 4 kB / 0.569 GB, free: 3.441 MB / 430.1 MB Notification: Performance of FrontEnd: time 2.064e-06/0.3682, allocations: 0 / 0.569 GB, free: 3.441 MB / 430.1 MB Notification: Performance of Transformations before backend: time 0.000318/0.3685, allocations: 0 / 0.569 GB, free: 3.441 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: 1959 * Number of variables: 1959 Notification: Performance of Generate backend data structure: time 0.01706/0.3856, allocations: 6.915 MB / 0.5758 GB, free: 12.43 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.882e-05/0.3856, allocations: 11.89 kB / 0.5758 GB, free: 12.42 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002065/0.3877, allocations: 0.9262 MB / 0.5767 GB, free: 11.48 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04082/0.4285, allocations: 6.183 MB / 0.5827 GB, free: 5.289 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01161/0.4401, allocations: 4.865 MB / 0.5875 GB, free: 348 kB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003294/0.4405, allocations: 308 kB / 0.5877 GB, free: 36 kB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001656/0.4421, allocations: 407.8 kB / 0.5881 GB, free: 15.63 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0271/0.4692, allocations: 12.88 MB / 0.6007 GB, free: 1.855 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002051/0.4694, allocations: 63.53 kB / 0.6008 GB, free: 1.793 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008039/0.4702, allocations: 195.8 kB / 0.601 GB, free: 1.602 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004672/0.4749, allocations: 2.499 MB / 0.6034 GB, free: 15.1 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02353/0.4984, allocations: 10.58 MB / 0.6137 GB, free: 4.496 MB / 478.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.3111/0.8095, allocations: 49.53 MB / 0.6621 GB, free: 85.33 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01133/0.8208, allocations: 4.266 MB / 0.6663 GB, free: 84.63 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003086/0.8239, allocations: 2.14 MB / 0.6684 GB, free: 84.45 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01157/0.8355, allocations: 6.514 MB / 0.6747 GB, free: 81.56 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.986e-05/0.8355, allocations: 56.38 kB / 0.6748 GB, free: 81.51 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=183): time 5.039e-06/0.8355, allocations: 0 / 0.6748 GB, free: 81.51 MB / 0.4981 GB Notification: Performance of matching and sorting (n=195): time 0.04519/0.8807, allocations: 18.01 MB / 0.6924 GB, free: 72.48 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.335e-05/0.8808, allocations: 224.5 kB / 0.6926 GB, free: 72.23 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00919/0.89, allocations: 5.948 MB / 0.6984 GB, free: 66.43 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 0.0005223/0.8905, allocations: 49.7 kB / 0.6984 GB, free: 66.37 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.00269/0.8932, allocations: 4.275 MB / 0.7026 GB, free: 62.38 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009992/0.8942, allocations: 0.8081 MB / 0.7034 GB, free: 61.58 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002156/0.8964, allocations: 1.474 MB / 0.7048 GB, free: 60.11 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 5.282e-05/0.8964, allocations: 302.1 kB / 0.7051 GB, free: 59.81 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00321/0.8996, allocations: 2.422 MB / 0.7075 GB, free: 57.39 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004737/0.9044, allocations: 6.924 MB / 0.7143 GB, free: 48.38 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008443/0.9128, allocations: 10.13 MB / 0.7241 GB, free: 36.17 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001308/0.913, allocations: 48 kB / 0.7242 GB, free: 36.12 MB / 0.4981 GB Notification: Performance of matching and sorting (n=942) (initialization): time 0.01691/0.9299, allocations: 9.59 MB / 0.7336 GB, free: 26.52 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001245/0.93, allocations: 76 kB / 0.7336 GB, free: 26.45 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002038/0.9302, allocations: 156.9 kB / 0.7338 GB, free: 26.3 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001808/0.932, allocations: 0.7394 MB / 0.7345 GB, free: 25.55 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005121/0.9371, allocations: 1.661 MB / 0.7361 GB, free: 23.89 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006415/0.9435, allocations: 6.989 MB / 0.743 GB, free: 16.63 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006145/0.9497, allocations: 387.7 kB / 0.7433 GB, free: 16.25 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001435/0.9511, allocations: 444 kB / 0.7437 GB, free: 15.82 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 726 * Number of states: 0 () * Number of discrete variables: 45 (Revolute2.cylinderColor[3],Revolute2.cylinderColor[2],Revolute2.cylinderColor[1],frameTorque2.color[3],frameTorque2.color[2],frameTorque2.color[1],frameTorque1.color[3],frameTorque1.color[2],frameTorque1.color[1],FixedRotation1.color[3],FixedRotation1.color[2],FixedRotation1.color[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 (880): * Single equations (assignments): 873 * Array equations: 5 * 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 {(1,14,100.0%), (1,14,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.005123/0.9562, allocations: 2.703 MB / 0.7464 GB, free: 13.1 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001141/0.9574, allocations: 0.5122 MB / 0.7469 GB, free: 12.59 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005657/0.963, allocations: 3.285 MB / 0.7501 GB, free: 9.281 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.256e-05/0.9631, allocations: 24 kB / 0.7501 GB, free: 9.258 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.653e-05/0.9631, allocations: 4 kB / 0.7501 GB, free: 9.254 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.764e-05/0.9631, allocations: 7.969 kB / 0.7501 GB, free: 9.246 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01531/0.9784, allocations: 8.813 MB / 0.7587 GB, free: 376 kB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.043e-05/0.9784, allocations: 7.984 kB / 0.7587 GB, free: 368 kB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001563/0.98, allocations: 327.8 kB / 0.7591 GB, free: 40 kB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00159/0.9816, allocations: 0.4971 MB / 0.7595 GB, free: 15.54 MB / 0.5137 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002645/0.9819, allocations: 39.98 kB / 0.7596 GB, free: 15.5 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00792/0.9898, allocations: 6.296 MB / 0.7657 GB, free: 8.922 MB / 0.5137 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.941e-06/0.9898, allocations: 4 kB / 0.7657 GB, free: 8.918 MB / 0.5137 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01024/1, allocations: 5.99 MB / 0.7716 GB, free: 2.875 MB / 0.5137 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002651/1.003, allocations: 0.8371 MB / 0.7724 GB, free: 2.016 MB / 0.5137 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001287/1.004, allocations: 32 kB / 0.7724 GB, free: 1.984 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002385/1.006, allocations: 99.88 kB / 0.7725 GB, free: 1.887 MB / 0.5137 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004033/1.007, allocations: 116.9 kB / 0.7726 GB, free: 1.773 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001536/1.007, allocations: 55.83 kB / 0.7727 GB, free: 1.723 MB / 0.5137 GB Notification: Performance of sorting global known variables: time 0.006921/1.014, allocations: 3.804 MB / 0.7764 GB, free: 13.95 MB / 0.5294 GB Notification: Performance of sort global known variables: time 2.61e-07/1.014, allocations: 0 / 0.7764 GB, free: 13.95 MB / 0.5294 GB Notification: Performance of remove unused functions: time 0.006342/1.02, allocations: 1.234 MB / 0.7776 GB, free: 12.71 MB / 0.5294 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * Number of states: 4 (Revolute1.phi,Revolute1.w,Revolute2.phi,Revolute2.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 (154): * Single equations (assignments): 149 * 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 {(1,11,100.0%), (1,11,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.01004/1.03, allocations: 6.655 MB / 0.7841 GB, free: 5.984 MB / 0.5294 GB Notification: Performance of simCode: created initialization part: time 0.009703/1.04, allocations: 5.708 MB / 0.7897 GB, free: 300 kB / 0.5294 GB Notification: Performance of simCode: created event and clocks part: time 6.713e-06/1.04, allocations: 0 / 0.7897 GB, free: 300 kB / 0.5294 GB Notification: Performance of simCode: created simulation system equations: time 0.002643/1.043, allocations: 1.669 MB / 0.7913 GB, free: 14.6 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003982/1.047, allocations: 0.6643 MB / 0.792 GB, free: 13.96 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1038/1.15, allocations: 59.63 MB / 0.8502 GB, free: 11.21 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005542/1.156, allocations: 4.127 MB / 0.8542 GB, free: 7.055 MB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.005573/1.161, allocations: 2.327 MB / 0.8565 GB, free: 4.719 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.004057/1.165, allocations: 2.569 MB / 0.859 GB, free: 2.148 MB / 0.6075 GB Notification: Performance of SimCode: time 1.784e-06/1.165, allocations: 0 / 0.859 GB, free: 2.148 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.436/1.601, allocations: 91.49 MB / 0.9483 GB, free: 208.4 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate platform static: time 22.09/23.69, allocations: 5.031 kB / 0.9484 GB, free: 208.4 MB / 0.6387 GB " [Timeout remaining time 636] (rm -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques.sim & python3 -m fmpy simulate --output-file ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques_res.csv --start-time 0 --stop-time 1.1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.000219912 ModelicaTest_3_2_3_ModelicaTest_MultiBody_Forces_FrameTorques.fmu > ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Forces/FrameTorques/FrameTorques.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques.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: 26.771360282989917]