Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_trunk_ModelicaTest.MultiBody.PlanarLoopWithMove.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.0008244/0.0008244, allocations: 80.34 kB / 20.67 MB, free: 3.891 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.0008309/0.0008309, allocations: 156.9 kB / 23.95 MB, free: 0.6133 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 0.9358/0.9358, allocations: 177 MB / 204.1 MB, free: 5.754 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo): time 0.2553/0.2553, allocations: 34.24 MB / 294.8 MB, free: 0.6914 MB / 266.7 MB " [Timeout remaining time 180] Using package ModelicaTest with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest trunk/package.mo) Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: "" <> buildModelFMU(ModelicaTest.MultiBody.PlanarLoopWithMove,fileNamePrefix="ModelicaTest_trunk_ModelicaTest_MultiBody_PlanarLoopWithMove",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.PlanarLoopWithMove,fileNamePrefix="ModelicaTest_trunk_ModelicaTest_MultiBody_PlanarLoopWithMove",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.844e-06/1.844e-06, allocations: 3.938 kB / 442.1 MB, free: 1.602 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.274e-05/2.459e-05, allocations: 6.219 kB / 442.1 MB, free: 1.594 MB / 410.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.PlanarLoopWithMove): time 0.1871/0.1871, allocations: 10.5 MB / 452.6 MB, free: 38.4 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.005313/0.1925, allocations: 4.524 MB / 457.2 MB, free: 35.57 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007688/0.1932, allocations: 100.6 kB / 457.3 MB, free: 35.54 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002389/0.1956, allocations: 3.063 MB / 460.3 MB, free: 34.26 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002156/0.1978, allocations: 2.095 MB / 462.4 MB, free: 33.29 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.0009933/0.1988, allocations: 0.9099 MB / 463.3 MB, free: 32.89 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.002608/0.2014, allocations: 4.508 MB / 467.8 MB, free: 31.16 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001743/0.2031, allocations: 3.023 MB / 470.9 MB, free: 29.82 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001811/0.2049, allocations: 2.559 MB / 473.4 MB, free: 28.77 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001528/0.2065, allocations: 2.302 MB / 475.7 MB, free: 28.14 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0002603/0.2067, allocations: 316.9 kB / 476 MB, free: 28.14 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001134/0.2078, allocations: 1.152 MB / 477.2 MB, free: 27.92 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.000924/0.2088, allocations: 2.118 MB / 479.3 MB, free: 27.03 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0008996/0.2097, allocations: 1.277 MB / 480.6 MB, free: 26.41 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.006366/0.216, allocations: 7.169 MB / 487.7 MB, free: 23.87 MB / 410.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.891e-06/0.216, allocations: 5.031 kB / 487.7 MB, free: 23.87 MB / 410.7 MB Notification: Performance of FrontEnd: time 1.523e-06/0.216, allocations: 0 / 487.7 MB, free: 23.87 MB / 410.7 MB Notification: Performance of Transformations before backend: time 0.0001091/0.2162, allocations: 0 / 487.7 MB, free: 23.87 MB / 410.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1597 * Number of variables: 1597 Notification: Performance of Generate backend data structure: time 0.009217/0.2254, allocations: 5.411 MB / 493.2 MB, free: 20.86 MB / 410.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.749e-05/0.2254, allocations: 14.58 kB / 493.2 MB, free: 20.85 MB / 410.7 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008069/0.2262, allocations: 0.7508 MB / 493.9 MB, free: 20.47 MB / 410.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004014/0.2302, allocations: 1.937 MB / 495.9 MB, free: 20.08 MB / 410.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003075/0.2333, allocations: 2.511 MB / 498.4 MB, free: 18.77 MB / 410.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000136/0.2334, allocations: 242.1 kB / 498.6 MB, free: 18.66 MB / 410.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000433/0.2339, allocations: 318.2 kB / 498.9 MB, free: 18.54 MB / 410.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01143/0.2453, allocations: 11.23 MB / 0.4982 GB, free: 11.77 MB / 410.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.571e-05/0.2454, allocations: 50.27 kB / 0.4982 GB, free: 11.74 MB / 410.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003029/0.2457, allocations: 150.6 kB / 0.4984 GB, free: 11.64 MB / 410.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.002013/0.2477, allocations: 2.292 MB / 0.5006 GB, free: 9.438 MB / 410.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009876/0.2576, allocations: 9.851 MB / 0.5102 GB, free: 15.57 MB / 426.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03639/0.294, allocations: 42.38 MB / 0.5516 GB, free: 4.129 MB / 458.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.007703/0.3017, allocations: 5.33 MB / 0.5568 GB, free: 14.77 MB / 474.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002487/0.3042, allocations: 2.948 MB / 0.5597 GB, free: 11.81 MB / 474.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.008601/0.3128, allocations: 7.784 MB / 0.5673 GB, free: 3.996 MB / 474.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.005602/0.3184, allocations: 3.57 MB / 0.5708 GB, free: 400 kB / 474.7 MB Notification: Performance of pre-optimization done (n=211): time 4.509e-06/0.3184, allocations: 0 / 0.5708 GB, free: 400 kB / 474.7 MB Notification: Performance of matching and sorting (n=285): time 0.06002/0.3784, allocations: 34.76 MB / 0.6047 GB, free: 13.64 MB / 0.5105 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.756e-05/0.3785, allocations: 158.5 kB / 0.6049 GB, free: 13.46 MB / 0.5105 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004404/0.3829, allocations: 4.611 MB / 0.6094 GB, free: 8.816 MB / 0.5105 GB Notification: Performance of collectPreVariables (initialization): time 0.0001975/0.3831, allocations: 69.7 kB / 0.6095 GB, free: 8.742 MB / 0.5105 GB Notification: Performance of collectInitialEqns (initialization): time 0.001945/0.385, allocations: 3.346 MB / 0.6127 GB, free: 5.363 MB / 0.5105 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006999/0.3857, allocations: 1.085 MB / 0.6138 GB, free: 4.27 MB / 0.5105 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001335/0.3871, allocations: 1.318 MB / 0.6151 GB, free: 2.941 MB / 0.5105 GB Notification: Performance of setup shared object (initialization): time 7.468e-05/0.3871, allocations: 305.1 kB / 0.6154 GB, free: 2.641 MB / 0.5105 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00314/0.3903, allocations: 3.382 MB / 0.6187 GB, free: 15.25 MB / 0.5261 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004803/0.3951, allocations: 6.971 MB / 0.6255 GB, free: 6.516 MB / 0.5261 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.2137/0.6088, allocations: 11.17 MB / 0.6364 GB, free: 147.3 MB / 0.5261 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.625e-05/0.6088, allocations: 33.94 kB / 0.6364 GB, free: 147.3 MB / 0.5261 GB Notification: Performance of matching and sorting (n=859) (initialization): time 0.01385/0.6227, allocations: 12.57 MB / 0.6487 GB, free: 143.4 MB / 0.5261 GB Notification: Performance of prepare postOptimizeDAE: time 5.162e-05/0.6227, allocations: 60.88 kB / 0.6488 GB, free: 143.4 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.781e-05/0.6228, allocations: 128.1 kB / 0.6489 GB, free: 143.4 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003472/0.6263, allocations: 2.641 MB / 0.6515 GB, free: 142.9 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002429/0.6287, allocations: 1.475 MB / 0.6529 GB, free: 142.7 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01777/0.6465, allocations: 22.83 MB / 0.6752 GB, free: 130.9 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003816/0.6503, allocations: 461.7 kB / 0.6756 GB, free: 130.8 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005677/0.6509, allocations: 389.9 kB / 0.676 GB, free: 130.7 MB / 0.5261 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 571 * Number of states: 0 () * Number of discrete variables: 47 ($PRE.combiTimeTable.nextTimeEvent,$whenCondition1,combiTimeTable.nextTimeEventScaled,$PRE.combiTimeTable.nextTimeEventScaled,combiTimeTable.nextTimeEvent,rod3.color[3],rod3.color[2],rod3.color[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],rod2.color[3],rod2.color[2],rod2.color[1],rod1.color[3],rod1.color[2],rod1.color[1],r4.cylinderColor[3],r4.cylinderColor[2],r4.cylinderColor[1],r3.cylinderColor[3],r3.cylinderColor[2],r3.cylinderColor[1],r2.cylinderColor[3],r2.cylinderColor[2],r2.cylinderColor[1],r1.cylinderColor[3],r1.cylinderColor[2],r1.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 (760): * Single equations (assignments): 753 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(2,16,100.0%), (2,14,100.0%), (2,14,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,27)} Notification: Performance of prepare postOptimizeDAE: time 0.003388/0.6543, allocations: 2.234 MB / 0.6782 GB, free: 129.8 MB / 0.5261 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005783/0.6548, allocations: 426.9 kB / 0.6786 GB, free: 129.8 MB / 0.5261 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009489/0.6643, allocations: 7.99 MB / 0.6864 GB, free: 126.9 MB / 0.5261 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.349e-05/0.6644, allocations: 34.72 kB / 0.6864 GB, free: 126.9 MB / 0.5261 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.809e-05/0.6644, allocations: 7.812 kB / 0.6864 GB, free: 126.9 MB / 0.5261 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.552e-05/0.6644, allocations: 10.92 kB / 0.6864 GB, free: 126.9 MB / 0.5261 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01444/0.6788, allocations: 14.01 MB / 0.7001 GB, free: 119.7 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.696e-06/0.6788, allocations: 4 kB / 0.7001 GB, free: 119.7 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009998/0.6798, allocations: 404.9 kB / 0.7005 GB, free: 119.3 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002809/0.6826, allocations: 2.3 MB / 0.7028 GB, free: 117.5 MB / 0.5261 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001637/0.6828, allocations: 59.59 kB / 0.7028 GB, free: 117.4 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01466/0.6975, allocations: 22.61 MB / 0.7249 GB, free: 94.52 MB / 0.5261 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.534e-06/0.6975, allocations: 4 kB / 0.7249 GB, free: 94.51 MB / 0.5261 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008537/0.706, allocations: 8.129 MB / 0.7328 GB, free: 86.27 MB / 0.5261 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001379/0.7074, allocations: 422.9 kB / 0.7332 GB, free: 85.86 MB / 0.5261 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003843/0.7078, allocations: 48 kB / 0.7333 GB, free: 85.81 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001236/0.709, allocations: 243.6 kB / 0.7335 GB, free: 85.57 MB / 0.5261 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005534/0.7096, allocations: 201.5 kB / 0.7337 GB, free: 85.38 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001612/0.7097, allocations: 84.66 kB / 0.7338 GB, free: 85.3 MB / 0.5261 GB Notification: Performance of sorting global known variables: time 0.003021/0.7127, allocations: 2.774 MB / 0.7365 GB, free: 82.52 MB / 0.5261 GB Notification: Performance of sort global known variables: time 1.7e-07/0.7127, allocations: 0 / 0.7365 GB, free: 82.52 MB / 0.5261 GB Notification: Performance of remove unused functions: time 0.004234/0.717, allocations: 1.453 MB / 0.7379 GB, free: 81.07 MB / 0.5261 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,combiTimeTable.nextTimeEvent,combiTimeTable.nextTimeEventScaled) * Number of discrete states: 2 (combiTimeTable.nextTimeEvent,combiTimeTable.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (191): * Single equations (assignments): 182 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(2,16,100.0%), (3,13,88.9%), (2,14,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,31)} Notification: Performance of Backend phase and start with SimCode phase: time 0.008948/0.7259, allocations: 9.16 MB / 0.7469 GB, free: 72.04 MB / 0.5261 GB Notification: Performance of simCode: created initialization part: time 0.008584/0.7345, allocations: 8.509 MB / 0.7552 GB, free: 63.49 MB / 0.5261 GB Notification: Performance of simCode: created event and clocks part: time 4.489e-06/0.7345, allocations: 5.031 kB / 0.7552 GB, free: 63.49 MB / 0.5261 GB Notification: Performance of simCode: created simulation system equations: time 0.003185/0.7377, allocations: 3.784 MB / 0.7589 GB, free: 59.66 MB / 0.5261 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001949/0.7396, allocations: 0.4895 MB / 0.7594 GB, free: 59.18 MB / 0.5261 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05312/0.7928, allocations: 60.88 MB / 0.8188 GB, free: 8.355 MB / 0.5417 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003002/0.7958, allocations: 3.052 MB / 0.8218 GB, free: 5.273 MB / 0.5417 GB Notification: Performance of simCode: alias equations: time 0.003247/0.799, allocations: 2.144 MB / 0.8239 GB, free: 3.121 MB / 0.5417 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002071/0.8011, allocations: 2.094 MB / 0.8259 GB, free: 1.027 MB / 0.5417 GB Notification: Performance of SimCode: time 2.024e-06/0.8011, allocations: 0 / 0.8259 GB, free: 1.027 MB / 0.5417 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.3073/1.108, allocations: 101.8 MB / 0.9254 GB, free: 131 MB / 0.5573 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.59/12.7, allocations: 7.188 kB / 0.9254 GB, free: 131 MB / 0.5573 GB " [Timeout remaining time 647] (rm -f ModelicaTest_trunk_ModelicaTest.MultiBody.PlanarLoopWithMove.pipe ; mkfifo ModelicaTest_trunk_ModelicaTest.MultiBody.PlanarLoopWithMove.pipe ; head -c 1048576 < ModelicaTest_trunk_ModelicaTest.MultiBody.PlanarLoopWithMove.pipe >> ../files/ModelicaTest_trunk_ModelicaTest.MultiBody.PlanarLoopWithMove.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_trunk_ModelicaTest.MultiBody.PlanarLoopWithMove_res.mat --tempDir=temp_ModelicaTest_trunk_ModelicaTest_MultiBody_PlanarLoopWithMove_fmu --startTime=0 --stopTime=3 --stepSize=0.00059976 --timeout=50 --tolerance=1e-06 ModelicaTest_trunk_ModelicaTest_MultiBody_PlanarLoopWithMove.fmu > ModelicaTest_trunk_ModelicaTest.MultiBody.PlanarLoopWithMove.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_trunk_ModelicaTest.MultiBody.PlanarLoopWithMove_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/MultiBody/PlanarLoopWithMove/PlanarLoopWithMove.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_trunk_ModelicaTest.MultiBody.PlanarLoopWithMove.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: 15.336842621676624]