Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal.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 0.000848/0.000848, allocations: 80.48 kB / 19.92 MB, free: 4.633 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 0.0008993/0.0008993, allocations: 169.9 kB / 23.21 MB, free: 1.352 MB / 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 0.9725/0.9725, allocations: 158.6 MB / 185 MB, free: 3.047 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 0.1444/0.1444, allocations: 32.37 MB / 269.6 MB, free: 14.97 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: "" <> buildModelFMU(ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_MultiBody_FourbarVariants_SphericalAndUniversal",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_MultiBody_FourbarVariants_SphericalAndUniversal",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.593e-06/1.593e-06, allocations: 0 / 406.8 MB, free: 13.54 MB / 346.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.232e-05/2.392e-05, allocations: 5.516 kB / 406.8 MB, free: 13.53 MB / 346.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal): time 0.01017/0.0102, allocations: 11.76 MB / 418.6 MB, free: 1.719 MB / 346.7 MB Notification: Performance of NFInst.instExpressions: time 0.007892/0.01809, allocations: 4.611 MB / 423.2 MB, free: 13.09 MB / 362.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002222/0.02031, allocations: 115.4 kB / 423.3 MB, free: 12.98 MB / 362.7 MB Notification: Performance of NFTyping.typeComponents: time 0.004081/0.02439, allocations: 3.843 MB / 427.2 MB, free: 9.121 MB / 362.7 MB Notification: Performance of NFTyping.typeBindings: time 0.004595/0.02899, allocations: 2.329 MB / 429.5 MB, free: 6.781 MB / 362.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.00176/0.03075, allocations: 1.189 MB / 430.7 MB, free: 5.59 MB / 362.7 MB Notification: Performance of NFFlatten.flatten: time 0.1943/0.225, allocations: 7.157 MB / 437.8 MB, free: 17.22 MB / 362.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.006738/0.2317, allocations: 4.312 MB / 442.1 MB, free: 17.01 MB / 362.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.008709/0.2404, allocations: 3.205 MB / 445.3 MB, free: 16.99 MB / 362.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005723/0.2462, allocations: 3.175 MB / 448.5 MB, free: 16.8 MB / 362.7 MB Notification: Performance of NFPackage.collectConstants: time 0.001447/0.2476, allocations: 444.4 kB / 449 MB, free: 16.8 MB / 362.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003631/0.2512, allocations: 1.418 MB / 450.4 MB, free: 16.78 MB / 362.7 MB Notification: Performance of NFScalarize.scalarize: time 0.003003/0.2543, allocations: 2.701 MB / 453.1 MB, free: 16.07 MB / 362.7 MB Notification: Performance of NFVerifyModel.verify: time 0.003167/0.2574, allocations: 1.728 MB / 454.8 MB, free: 15.32 MB / 362.7 MB Notification: Performance of NFConvertDAE.convert: time 0.008999/0.2664, allocations: 9.18 MB / 464 MB, free: 10.71 MB / 362.7 MB Notification: Performance of FrontEnd - DAE generated: time 7.094e-06/0.2664, allocations: 0 / 464 MB, free: 10.71 MB / 362.7 MB Notification: Performance of FrontEnd: time 2.645e-06/0.2664, allocations: 0 / 464 MB, free: 10.71 MB / 362.7 MB Notification: Performance of Transformations before backend: time 0.0003004/0.2667, allocations: 0 / 464 MB, free: 10.71 MB / 362.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1729 * Number of variables: 1729 Notification: Performance of Generate backend data structure: time 0.01324/0.28, allocations: 6.697 MB / 470.7 MB, free: 6.258 MB / 362.7 MB Notification: Performance of prepare preOptimizeDAE: time 5.45e-05/0.28, allocations: 8.812 kB / 470.7 MB, free: 6.258 MB / 362.7 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001627/0.2816, allocations: 0.9084 MB / 471.6 MB, free: 5.711 MB / 362.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01866/0.3003, allocations: 6.471 MB / 478.1 MB, free: 48 kB / 362.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008566/0.3089, allocations: 4.424 MB / 482.5 MB, free: 11.76 MB / 378.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001786/0.3091, allocations: 282.6 kB / 482.8 MB, free: 11.52 MB / 378.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001363/0.3104, allocations: 394.4 kB / 483.2 MB, free: 11.18 MB / 378.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01761/0.328, allocations: 11.97 MB / 495.1 MB, free: 14.62 MB / 394.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001474/0.3282, allocations: 55.39 kB / 495.2 MB, free: 14.59 MB / 394.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003898/0.3286, allocations: 177.9 kB / 495.4 MB, free: 14.45 MB / 394.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.002116/0.3307, allocations: 2.147 MB / 497.5 MB, free: 12.33 MB / 394.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01518/0.3459, allocations: 10.14 MB / 0.4957 GB, free: 2.391 MB / 394.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04555/0.3914, allocations: 45.17 MB / 0.5399 GB, free: 4.68 MB / 442.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.008524/0.3999, allocations: 5.266 MB / 0.545 GB, free: 15.39 MB / 458.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002464/0.4024, allocations: 2.641 MB / 0.5476 GB, free: 12.74 MB / 458.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01016/0.4126, allocations: 8.084 MB / 0.5555 GB, free: 4.664 MB / 458.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.982e-05/0.4126, allocations: 55.16 kB / 0.5555 GB, free: 4.605 MB / 458.7 MB Notification: Performance of pre-optimization done (n=206): time 4.979e-06/0.4126, allocations: 0 / 0.5555 GB, free: 4.605 MB / 458.7 MB Notification: Performance of matching and sorting (n=262): time 0.06816/0.4808, allocations: 36.33 MB / 0.591 GB, free: 432 kB / 490.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.812e-05/0.4809, allocations: 212.1 kB / 0.5912 GB, free: 180 kB / 490.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007043/0.4879, allocations: 5.652 MB / 0.5967 GB, free: 10.52 MB / 0.4948 GB Notification: Performance of collectPreVariables (initialization): time 0.0005274/0.4884, allocations: 61.7 kB / 0.5968 GB, free: 10.46 MB / 0.4948 GB Notification: Performance of collectInitialEqns (initialization): time 0.00209/0.4905, allocations: 3.698 MB / 0.6004 GB, free: 6.773 MB / 0.4948 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008697/0.4914, allocations: 1.003 MB / 0.6014 GB, free: 5.785 MB / 0.4948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001318/0.4927, allocations: 1.334 MB / 0.6027 GB, free: 4.441 MB / 0.4948 GB Notification: Performance of setup shared object (initialization): time 7.552e-05/0.4928, allocations: 305.1 kB / 0.603 GB, free: 4.141 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002933/0.4957, allocations: 3.027 MB / 0.6059 GB, free: 1.109 MB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00515/0.5009, allocations: 6.891 MB / 0.6127 GB, free: 8.398 MB / 0.5105 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.1899/0.6908, allocations: 10.67 MB / 0.6231 GB, free: 166.8 MB / 0.5105 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001298/0.6909, allocations: 37.66 kB / 0.6231 GB, free: 166.8 MB / 0.5105 GB Notification: Performance of matching and sorting (n=872) (initialization): time 0.02182/0.7128, allocations: 13.19 MB / 0.636 GB, free: 163.2 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 8.563e-05/0.7128, allocations: 63.03 kB / 0.636 GB, free: 163.2 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001589/0.713, allocations: 132.9 kB / 0.6362 GB, free: 163.2 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.007457/0.7205, allocations: 4.214 MB / 0.6403 GB, free: 162.3 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003322/0.7238, allocations: 1.415 MB / 0.6417 GB, free: 162.2 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0227/0.7465, allocations: 27.97 MB / 0.669 GB, free: 145.5 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004861/0.7513, allocations: 498 kB / 0.6695 GB, free: 145 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001108/0.7524, allocations: 396 kB / 0.6698 GB, free: 144.6 MB / 0.5105 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 606 * Number of states: 0 () * Number of discrete variables: 42 (Universal1.cylinderColor[3],Universal1.cylinderColor[2],Universal1.cylinderColor[1],FixedTranslation1.color[3],FixedTranslation1.color[2],FixedTranslation1.color[1],spherical.sphereColor[3],spherical.sphereColor[2],spherical.sphereColor[1],b3.color[3],b3.color[2],b3.color[1],b2.color[3],b2.color[2],b2.color[1],b2.body.sphereColor[3],b2.body.sphereColor[2],b2.body.sphereColor[1],b1.color[3],b1.color[2],b1.color[1],b1.body.sphereColor[3],b1.body.sphereColor[2],b1.body.sphereColor[1],j2.boxColor[3],j2.boxColor[2],j2.boxColor[1],j1.cylinderColor[3],j1.cylinderColor[2],j1.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 (756): * Single equations (assignments): 750 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(8,50,50.0%), (2,12,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,21)} Notification: Performance of prepare postOptimizeDAE: time 0.003897/0.7563, allocations: 2.477 MB / 0.6723 GB, free: 142.2 MB / 0.5105 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001222/0.7576, allocations: 472.2 kB / 0.6727 GB, free: 142 MB / 0.5105 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009131/0.7667, allocations: 8.175 MB / 0.6807 GB, free: 133.8 MB / 0.5105 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.953e-05/0.7667, allocations: 28 kB / 0.6807 GB, free: 133.8 MB / 0.5105 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.664e-05/0.7668, allocations: 13.94 kB / 0.6807 GB, free: 133.8 MB / 0.5105 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.555e-05/0.7668, allocations: 15.67 kB / 0.6807 GB, free: 133.8 MB / 0.5105 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01908/0.7859, allocations: 16.12 MB / 0.6965 GB, free: 117.7 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.918e-05/0.7859, allocations: 7.938 kB / 0.6965 GB, free: 117.7 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008591/0.7868, allocations: 303.5 kB / 0.6968 GB, free: 117.4 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.005201/0.792, allocations: 3.799 MB / 0.7005 GB, free: 113.6 MB / 0.5105 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000374/0.7923, allocations: 51.98 kB / 0.7005 GB, free: 113.5 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02079/0.8131, allocations: 26.77 MB / 0.7267 GB, free: 86.58 MB / 0.5105 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.029e-06/0.8131, allocations: 8 kB / 0.7267 GB, free: 86.57 MB / 0.5105 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01202/0.8251, allocations: 12.08 MB / 0.7385 GB, free: 74.36 MB / 0.5105 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002659/0.8278, allocations: 0.9924 MB / 0.7395 GB, free: 73.37 MB / 0.5105 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001095/0.8289, allocations: 47.36 kB / 0.7395 GB, free: 73.33 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001603/0.8305, allocations: 247.6 kB / 0.7397 GB, free: 73.09 MB / 0.5105 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005626/0.8311, allocations: 201.9 kB / 0.7399 GB, free: 72.88 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001312/0.8312, allocations: 75.98 kB / 0.74 GB, free: 72.81 MB / 0.5105 GB Notification: Performance of sorting global known variables: time 0.003878/0.8351, allocations: 3.52 MB / 0.7434 GB, free: 69.3 MB / 0.5105 GB Notification: Performance of sort global known variables: time 2.11e-07/0.8351, allocations: 0 / 0.7434 GB, free: 69.3 MB / 0.5105 GB Notification: Performance of remove unused functions: time 0.005901/0.841, allocations: 1.588 MB / 0.745 GB, free: 67.71 MB / 0.5105 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 23 * Number of states: 2 (j1.phi,j1.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 (158): * Single equations (assignments): 152 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(8,43,50.0%), (2,9,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,25)} Notification: Performance of Backend phase and start with SimCode phase: time 0.01252/0.8535, allocations: 12.78 MB / 0.7575 GB, free: 54.8 MB / 0.5105 GB Notification: Performance of simCode: created initialization part: time 0.009495/0.863, allocations: 7.913 MB / 0.7652 GB, free: 46.88 MB / 0.5105 GB Notification: Performance of simCode: created event and clocks part: time 1.07e-05/0.863, allocations: 4 kB / 0.7652 GB, free: 46.88 MB / 0.5105 GB Notification: Performance of simCode: created simulation system equations: time 0.003638/0.8666, allocations: 3.265 MB / 0.7684 GB, free: 43.58 MB / 0.5105 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003441/0.8701, allocations: 0.6155 MB / 0.769 GB, free: 42.98 MB / 0.5105 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2496/1.12, allocations: 66.32 MB / 0.8338 GB, free: 169.7 MB / 0.5261 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003685/1.123, allocations: 3.417 MB / 0.8371 GB, free: 169 MB / 0.5261 GB Notification: Performance of simCode: alias equations: time 0.002989/1.126, allocations: 2.035 MB / 0.8391 GB, free: 168.9 MB / 0.5261 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002238/1.129, allocations: 2.394 MB / 0.8414 GB, free: 167 MB / 0.5261 GB Notification: Performance of SimCode: time 2.254e-06/1.129, allocations: 0 / 0.8414 GB, free: 167 MB / 0.5261 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1217/1.25, allocations: 117.3 MB / 0.956 GB, free: 59.43 MB / 0.5261 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.22/13.47, allocations: 7.812 kB / 0.956 GB, free: 59.43 MB / 0.5261 GB " [Timeout remaining time 646] (rm -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_3.2.3_ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal_res.mat --tempDir=temp_ModelicaTest_3_2_3_ModelicaTest_MultiBody_FourbarVariants_SphericalAndUniversal_fmu --startTime=0 --stopTime=5 --stepSize=0.0009996 --timeout=50 --tolerance=1e-06 ModelicaTest_3_2_3_ModelicaTest_MultiBody_FourbarVariants_SphericalAndUniversal.fmu > ModelicaTest_3.2.3_ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/FourbarVariants/SphericalAndUniversal/SphericalAndUniversal.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.FourbarVariants.SphericalAndUniversal.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: 16.238834670744836]