Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.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 0.001402/0.001402, allocations: 113.2 kB / 20.43 MB, free: 1.449 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 0.001528/0.001528, allocations: 214.7 kB / 23.74 MB, free: 4.656 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 1.458/1.458, allocations: 230.6 MB / 257.5 MB, free: 8.031 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 0.2272/0.2272, allocations: 46.93 MB / 360.9 MB, free: 4.266 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.Forces.FrameForces,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_MultiBody_Forces_FrameForces",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.FrameForces,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_MultiBody_Forces_FrameForces",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.002033/0.002033, allocations: 63.89 kB / 0.4962 GB, free: 7.902 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3366/0.3387, allocations: 66.04 MB / 0.5607 GB, free: 4.473 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.FrameForces): time 0.01562/0.3543, allocations: 12.72 MB / 0.5731 GB, free: 7.691 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.009994/0.3643, allocations: 4.555 MB / 0.5775 GB, free: 3.121 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002239/0.3665, allocations: 99.5 kB / 0.5776 GB, free: 3.023 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00762/0.3741, allocations: 3.765 MB / 0.5813 GB, free: 15.25 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.006477/0.3806, allocations: 2.249 MB / 0.5835 GB, free: 12.99 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002557/0.3832, allocations: 1.01 MB / 0.5845 GB, free: 11.98 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.00971/0.3929, allocations: 6.046 MB / 0.5904 GB, free: 5.918 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.005125/0.398, allocations: 3.506 MB / 0.5938 GB, free: 2.34 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003553/0.4016, allocations: 1.982 MB / 0.5958 GB, free: 360 kB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005064/0.4066, allocations: 2.823 MB / 0.5985 GB, free: 13.52 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001484/0.4081, allocations: 408 kB / 0.5989 GB, free: 13.12 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003426/0.4115, allocations: 1.486 MB / 0.6003 GB, free: 11.63 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.003326/0.4149, allocations: 2.493 MB / 0.6028 GB, free: 9.133 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.004186/0.4191, allocations: 2.765 MB / 0.6055 GB, free: 6.352 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01594/0.435, allocations: 8.782 MB / 0.6141 GB, free: 13.53 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.15e-06/0.435, allocations: 0 / 0.6141 GB, free: 13.53 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.923e-06/0.435, allocations: 7.938 kB / 0.6141 GB, free: 13.52 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.0003147/0.4353, allocations: 0 / 0.6141 GB, free: 13.52 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1726 * Number of variables: 1726 Notification: Performance of Generate backend data structure: time 0.02218/0.4575, allocations: 6.258 MB / 0.6202 GB, free: 7.203 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.162e-05/0.4576, allocations: 15.97 kB / 0.6202 GB, free: 7.188 MB / 462.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001935/0.4595, allocations: 0.8149 MB / 0.621 GB, free: 6.363 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.05395/0.5134, allocations: 6.059 MB / 0.6269 GB, free: 300 kB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01427/0.5277, allocations: 4.067 MB / 0.6309 GB, free: 12.16 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004359/0.5281, allocations: 283.3 kB / 0.6311 GB, free: 11.88 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001816/0.53, allocations: 383.8 kB / 0.6315 GB, free: 11.51 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02423/0.5542, allocations: 11.46 MB / 0.6427 GB, free: 15.19 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001666/0.5544, allocations: 59.53 kB / 0.6428 GB, free: 15.13 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005516/0.5549, allocations: 179.8 kB / 0.6429 GB, free: 14.96 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003791/0.5587, allocations: 2.15 MB / 0.645 GB, free: 12.8 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01963/0.5783, allocations: 9.355 MB / 0.6542 GB, free: 3.434 MB / 494.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06165/0.64, allocations: 45.09 MB / 0.6982 GB, free: 5.062 MB / 0.5294 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009934/0.6499, allocations: 3.223 MB / 0.7014 GB, free: 1.801 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002953/0.6529, allocations: 1.884 MB / 0.7032 GB, free: 15.91 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01251/0.6654, allocations: 6.001 MB / 0.7091 GB, free: 9.871 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.213e-05/0.6654, allocations: 59.48 kB / 0.7091 GB, free: 9.805 MB / 0.545 GB Notification: Performance of pre-optimization done (n=154): time 5.27e-06/0.6654, allocations: 0 / 0.7091 GB, free: 9.805 MB / 0.545 GB Notification: Performance of matching and sorting (n=166): time 0.04156/0.707, allocations: 14.75 MB / 0.7235 GB, free: 11.01 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001386/0.7071, allocations: 200.9 kB / 0.7237 GB, free: 10.77 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.008539/0.7157, allocations: 5.628 MB / 0.7292 GB, free: 5.164 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0003542/0.716, allocations: 49.7 kB / 0.7292 GB, free: 5.109 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.003523/0.7196, allocations: 3.877 MB / 0.733 GB, free: 1.195 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.001066/0.7206, allocations: 0.6902 MB / 0.7337 GB, free: 0.5 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.2459/0.9665, allocations: 1.348 MB / 0.735 GB, free: 154.6 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 5.15e-05/0.9666, allocations: 305.2 kB / 0.7353 GB, free: 154.3 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00341/0.97, allocations: 2.101 MB / 0.7374 GB, free: 154 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00415/0.9741, allocations: 6.341 MB / 0.7436 GB, free: 147.6 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007316/0.9814, allocations: 9.188 MB / 0.7525 GB, free: 139.6 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.989e-05/0.9815, allocations: 45.09 kB / 0.7526 GB, free: 139.6 MB / 0.5606 GB Notification: Performance of matching and sorting (n=864) (initialization): time 0.01294/0.9945, allocations: 8.657 MB / 0.761 GB, free: 135.7 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 8.4e-05/0.9946, allocations: 68.19 kB / 0.7611 GB, free: 135.7 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001451/0.9947, allocations: 156 kB / 0.7612 GB, free: 135.5 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001514/0.9962, allocations: 0.7032 MB / 0.7619 GB, free: 134.9 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00416/1, allocations: 1.516 MB / 0.7634 GB, free: 133.6 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006152/1.007, allocations: 6.622 MB / 0.7699 GB, free: 127.5 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005029/1.012, allocations: 343.5 kB / 0.7702 GB, free: 127.2 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00102/1.013, allocations: 424.1 kB / 0.7706 GB, free: 126.8 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 686 * Number of states: 0 () * Number of discrete variables: 49 (frameForce2.arrow.twoHeadedArrow,frameForce2.arrow.headAtOrigin,frameForce1.arrow.twoHeadedArrow,frameForce1.arrow.headAtOrigin,FixedRotation1.color[3],FixedRotation1.color[2],FixedRotation1.color[1],frameForce2.color[3],frameForce2.color[2],frameForce2.color[1],fixed2.color[3],fixed2.color[2],fixed2.color[1],BodyCylinder2.color[3],BodyCylinder2.color[2],BodyCylinder2.color[1],BodyCylinder2.body.sphereColor[3],BodyCylinder2.body.sphereColor[2],BodyCylinder2.body.sphereColor[1],Revolute2.cylinderColor[3],Revolute2.cylinderColor[2],Revolute2.cylinderColor[1],frameForce1.color[3],frameForce1.color[2],frameForce1.color[1],fixed1.color[3],fixed1.color[2],fixed1.color[1],BodyCylinder1.color[3],BodyCylinder1.color[2],BodyCylinder1.color[1],BodyCylinder1.body.sphereColor[3],BodyCylinder1.body.sphereColor[2],BodyCylinder1.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 (804): * Single equations (assignments): 797 * 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 {(1,13,100.0%), (1,13,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0038/1.016, allocations: 2.443 MB / 0.773 GB, free: 124.6 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008152/1.017, allocations: 490.2 kB / 0.7735 GB, free: 124.4 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004116/1.021, allocations: 2.68 MB / 0.7761 GB, free: 121.7 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.502e-05/1.021, allocations: 20 kB / 0.7761 GB, free: 121.7 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.188e-05/1.021, allocations: 7.938 kB / 0.7761 GB, free: 121.7 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.74e-05/1.021, allocations: 15.97 kB / 0.7761 GB, free: 121.7 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01289/1.034, allocations: 7.395 MB / 0.7833 GB, free: 114.3 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.554e-05/1.034, allocations: 4 kB / 0.7833 GB, free: 114.3 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001336/1.036, allocations: 295.5 kB / 0.7836 GB, free: 114 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001199/1.037, allocations: 496 kB / 0.7841 GB, free: 113.5 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001269/1.037, allocations: 32.31 kB / 0.7841 GB, free: 113.5 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005133/1.042, allocations: 6 MB / 0.79 GB, free: 107.4 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.888e-06/1.042, allocations: 4 kB / 0.79 GB, free: 107.3 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005538/1.048, allocations: 4.988 MB / 0.7949 GB, free: 102.4 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001215/1.049, allocations: 477.2 kB / 0.7953 GB, free: 102 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005173/1.049, allocations: 27.94 kB / 0.7953 GB, free: 101.9 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001351/1.051, allocations: 76.02 kB / 0.7954 GB, free: 101.9 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002071/1.051, allocations: 108.8 kB / 0.7955 GB, free: 101.8 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.432e-05/1.051, allocations: 40 kB / 0.7956 GB, free: 101.7 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.004359/1.055, allocations: 3.605 MB / 0.7991 GB, free: 98.13 MB / 0.5606 GB Notification: Performance of sort global known variables: time 9e-08/1.055, allocations: 0 / 0.7991 GB, free: 98.13 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.005185/1.061, allocations: 1.092 MB / 0.8001 GB, free: 97.04 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 13 * 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 (126): * Single equations (assignments): 121 * 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 {(1,10,100.0%), (1,10,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.005808/1.066, allocations: 5.623 MB / 0.8056 GB, free: 91.36 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.006467/1.073, allocations: 4.992 MB / 0.8105 GB, free: 86.39 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 8.726e-06/1.073, allocations: 8.125 kB / 0.8105 GB, free: 86.38 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.001582/1.074, allocations: 1.405 MB / 0.8119 GB, free: 84.95 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003391/1.078, allocations: 0.6287 MB / 0.8125 GB, free: 84.33 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.06515/1.143, allocations: 54.1 MB / 0.8653 GB, free: 23.54 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00392/1.147, allocations: 3.761 MB / 0.869 GB, free: 19.74 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.004106/1.151, allocations: 2.133 MB / 0.8711 GB, free: 17.6 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002647/1.154, allocations: 2.311 MB / 0.8733 GB, free: 15.29 MB / 0.5606 GB Notification: Performance of SimCode: time 1.222e-06/1.154, allocations: 0 / 0.8733 GB, free: 15.29 MB / 0.5606 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1737/1.327, allocations: 90.83 MB / 0.9621 GB, free: 4.957 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate platform static: time 32.04/33.37, allocations: 7.734 kB / 0.9621 GB, free: 4.957 MB / 0.6387 GB " [Timeout remaining time 626] (rm -f ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.sim & python3 -m fmpy simulate --output-file ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces_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_4_1_0_ModelicaTest_MultiBody_Forces_FrameForces.fmu > ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/MultiBody/Forces/FrameForces/FrameForces.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0_ModelicaTest.MultiBody.Forces.FrameForces.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: 36.51949876000435]