Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.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 0.001911/0.001911, allocations: 114 kB / 20.44 MB, free: 1.469 MB / 14.72 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 0.002344/0.002344, allocations: 214.5 kB / 23.74 MB, free: 4.695 MB / 14.72 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 1.502/1.502, allocations: 230.5 MB / 257.4 MB, free: 8.008 MB / 206.1 MB " [Timeout remaining time 178] 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(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic,fileNamePrefix="Modelica_trunk_Modelica_Mechanics_MultiBody_Examples_Loops_Engine1b_analytic",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic,fileNamePrefix="Modelica_trunk_Modelica_Mechanics_MultiBody_Examples_Loops_Engine1b_analytic",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.001877/0.001877, allocations: 67.88 kB / 377.8 MB, free: 2.973 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2361/0.238, allocations: 53.4 MB / 431.2 MB, free: 6.703 MB / 334.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic): time 0.02827/0.2662, allocations: 23.44 MB / 454.6 MB, free: 15.17 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.01603/0.2823, allocations: 7.13 MB / 461.8 MB, free: 8.02 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.005613/0.2879, allocations: 218.8 kB / 462 MB, free: 7.805 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01568/0.3036, allocations: 8.03 MB / 470 MB, free: 15.75 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.009164/0.3127, allocations: 3.661 MB / 473.7 MB, free: 12.08 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.004673/0.3174, allocations: 2.016 MB / 475.7 MB, free: 10.06 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.02001/0.3374, allocations: 13.6 MB / 489.3 MB, free: 12.44 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01153/0.3489, allocations: 7.933 MB / 497.2 MB, free: 4.41 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.007901/0.3568, allocations: 4.34 MB / 0.4898 GB, free: 60 kB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.01119/0.368, allocations: 6.116 MB / 0.4958 GB, free: 9.922 MB / 414.1 MB Notification: Performance of NFPackage.collectConstants: time 0.003363/0.3714, allocations: 1 MB / 0.4968 GB, free: 8.922 MB / 414.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.00589/0.3773, allocations: 2.197 MB / 0.4989 GB, free: 6.727 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.00741/0.3847, allocations: 5.213 MB / 0.504 GB, free: 1.5 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.01021/0.3949, allocations: 5.694 MB / 0.5096 GB, free: 11.77 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.02355/0.4185, allocations: 17.97 MB / 0.5271 GB, free: 9.746 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.51e-06/0.4185, allocations: 0 / 0.5271 GB, free: 9.746 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.633e-06/0.4185, allocations: 0 / 0.5271 GB, free: 9.746 MB / 446.1 MB Notification: Performance of Transformations before backend: time 0.0004647/0.4189, allocations: 0 / 0.5271 GB, free: 9.746 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: 2752 * Number of variables: 2752 Notification: Performance of Generate backend data structure: time 0.4015/0.8205, allocations: 12.05 MB / 0.5389 GB, free: 93.21 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.373e-05/0.8205, allocations: 9.344 kB / 0.5389 GB, free: 93.21 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00412/0.8246, allocations: 1.334 MB / 0.5402 GB, free: 92.58 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.3073/1.132, allocations: 24.58 MB / 0.5642 GB, free: 75.36 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0298/1.162, allocations: 10.1 MB / 0.574 GB, free: 65.32 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000544/1.162, allocations: 0.5232 MB / 0.5746 GB, free: 64.84 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003359/1.166, allocations: 0.7315 MB / 0.5753 GB, free: 64.16 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03753/1.203, allocations: 19.12 MB / 0.5939 GB, free: 44.06 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003185/1.203, allocations: 91.36 kB / 0.594 GB, free: 43.97 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001184/1.205, allocations: 327.8 kB / 0.5943 GB, free: 43.65 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003237/1.208, allocations: 2.825 MB / 0.5971 GB, free: 40.82 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02795/1.236, allocations: 15.48 MB / 0.6122 GB, free: 25.32 MB / 446.1 MB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.1077/1.344, allocations: 72.23 MB / 0.6828 GB, free: 14.95 MB / 0.4982 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02318/1.367, allocations: 7.309 MB / 0.6899 GB, free: 7.602 MB / 0.4982 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006685/1.373, allocations: 3.997 MB / 0.6938 GB, free: 3.582 MB / 0.4982 GB Notification: Performance of preOpt evalFunc (simulation): time 0.02585/1.399, allocations: 12.16 MB / 0.7057 GB, free: 7.371 MB / 0.5138 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.786e-05/1.399, allocations: 72.52 kB / 0.7057 GB, free: 7.289 MB / 0.5138 GB Notification: Performance of pre-optimization done (n=309): time 5.751e-06/1.399, allocations: 0 / 0.7057 GB, free: 7.289 MB / 0.5138 GB Notification: Performance of matching and sorting (n=416): time 0.3899/1.789, allocations: 50.52 MB / 0.7551 GB, free: 185.5 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001089/1.789, allocations: 402.1 kB / 0.7555 GB, free: 185.1 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01025/1.8, allocations: 7.599 MB / 0.7629 GB, free: 182.5 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0008578/1.801, allocations: 91.17 kB / 0.763 GB, free: 182.4 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.003371/1.804, allocations: 5.982 MB / 0.7688 GB, free: 178 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.001609/1.805, allocations: 1.575 MB / 0.7704 GB, free: 176.8 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002485/1.808, allocations: 1.851 MB / 0.7722 GB, free: 175.9 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 3.955e-05/1.808, allocations: 301.1 kB / 0.7724 GB, free: 175.6 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0056/1.814, allocations: 4.466 MB / 0.7768 GB, free: 173.9 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008166/1.822, allocations: 9.408 MB / 0.786 GB, free: 165.7 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0146/1.836, allocations: 14.91 MB / 0.8006 GB, free: 152.3 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001487/1.837, allocations: 56 kB / 0.8006 GB, free: 152.2 MB / 0.545 GB Notification: Performance of matching and sorting (n=1204) (initialization): time 0.03436/1.871, allocations: 18.05 MB / 0.8182 GB, free: 134.2 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001018/1.871, allocations: 77.06 kB / 0.8183 GB, free: 134.1 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001536/1.871, allocations: 179.9 kB / 0.8185 GB, free: 133.9 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01529/1.886, allocations: 5.196 MB / 0.8236 GB, free: 128.7 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006301/1.893, allocations: 1.953 MB / 0.8255 GB, free: 126.8 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03657/1.929, allocations: 30.11 MB / 0.8549 GB, free: 96.53 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009431/1.939, allocations: 0.5462 MB / 0.8554 GB, free: 95.98 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001633/1.94, allocations: 0.4961 MB / 0.8559 GB, free: 95.49 MB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 774 * Number of states: 0 () * Number of discrete variables: 73 (jointRRP.jointUSP.prismatic.positiveBranch,jointRRP.jointUSP.rod1Color[3],jointRRP.jointUSP.rod1Color[2],jointRRP.jointUSP.rod1Color[1],jointRRP.jointUSP.cylinderColor[3],jointRRP.jointUSP.cylinderColor[2],jointRRP.jointUSP.cylinderColor[1],jointRRP.jointUSP.sphereColor[3],jointRRP.jointUSP.sphereColor[2],jointRRP.jointUSP.sphereColor[1],jointRRP.rodColor[3],jointRRP.rodColor[2],jointRRP.rodColor[1],jointRRP.cylinderColor[3],jointRRP.cylinderColor[2],jointRRP.cylinderColor[1],cylPosition.color[3],cylPosition.color[2],cylPosition.color[1],mid.color[3],mid.color[2],mid.color[1],crank4.color[3],crank4.color[2],crank4.color[1],crank4.body.sphereColor[3],crank4.body.sphereColor[2],crank4.body.sphereColor[1],crank3.color[3],crank3.color[2],crank3.color[1],crank3.body.sphereColor[3],crank3.body.sphereColor[2],crank3.body.sphereColor[1],crank2.color[3],crank2.color[2],crank2.color[1],crank2.body.sphereColor[3],crank2.body.sphereColor[2],crank2.body.sphereColor[1],crank1.color[3],crank1.color[2],crank1.color[1],crank1.body.sphereColor[3],crank1.body.sphereColor[2],crank1.body.sphereColor[1],bearing.cylinderColor[3],bearing.cylinderColor[2],bearing.cylinderColor[1],connectingRod.color[3],connectingRod.color[2],connectingRod.color[1],connectingRod.body.sphereColor[3],connectingRod.body.sphereColor[2],connectingRod.body.sphereColor[1],piston.color[3],piston.color[2],piston.color[1],piston.body.sphereColor[3],piston.body.sphereColor[2],piston.body.sphereColor[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 (1047): * Single equations (assignments): 1042 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(3,129,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.006957/1.947, allocations: 4.078 MB / 0.8599 GB, free: 91.4 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001677/1.949, allocations: 0.7412 MB / 0.8606 GB, free: 90.65 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02251/1.972, allocations: 11.84 MB / 0.8722 GB, free: 78.76 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.957e-05/1.972, allocations: 47.59 kB / 0.8722 GB, free: 78.72 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.953e-05/1.972, allocations: 24 kB / 0.8722 GB, free: 78.7 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.623e-05/1.972, allocations: 19.92 kB / 0.8722 GB, free: 78.68 MB / 0.545 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0452/2.017, allocations: 25.24 MB / 0.8969 GB, free: 53.34 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.6e-05/2.017, allocations: 8 kB / 0.8969 GB, free: 53.33 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002806/2.02, allocations: 0.5702 MB / 0.8975 GB, free: 52.76 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01459/2.034, allocations: 4.849 MB / 0.9022 GB, free: 47.9 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008289/2.035, allocations: 76 kB / 0.9023 GB, free: 47.82 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03213/2.067, allocations: 26.82 MB / 0.9285 GB, free: 20.89 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.142e-06/2.067, allocations: 8 kB / 0.9285 GB, free: 20.88 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02915/2.096, allocations: 17.79 MB / 0.9458 GB, free: 2.906 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.2171/2.314, allocations: 0.6814 MB / 0.9465 GB, free: 172.2 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002602/2.316, allocations: 76.69 kB / 0.9466 GB, free: 172.2 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00539/2.322, allocations: 275.8 kB / 0.9468 GB, free: 172.2 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001484/2.323, allocations: 309.4 kB / 0.9471 GB, free: 172.2 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005014/2.324, allocations: 113.2 kB / 0.9472 GB, free: 172.2 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.01004/2.334, allocations: 4.89 MB / 0.952 GB, free: 171.9 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.81e-07/2.334, allocations: 3.406 kB / 0.952 GB, free: 171.9 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.01054/2.344, allocations: 2.208 MB / 0.9542 GB, free: 171.9 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 2 (inertia.phi,inertia.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 (287): * Single equations (assignments): 283 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(3,113,77.8%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.03187/2.376, allocations: 18.55 MB / 0.9723 GB, free: 166 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.01563/2.392, allocations: 10.75 MB / 0.9828 GB, free: 161.9 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 1.33e-05/2.392, allocations: 0 / 0.9828 GB, free: 161.9 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.006571/2.398, allocations: 4.379 MB / 0.9871 GB, free: 159.3 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007912/2.406, allocations: 1.177 MB / 0.9882 GB, free: 158.3 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1486/2.555, allocations: 99.89 MB / 1.086 GB, free: 53.78 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.009021/2.564, allocations: 6.378 MB / 1.092 GB, free: 47.37 MB / 0.545 GB Notification: Performance of simCode: alias equations: time 0.007097/2.571, allocations: 2.929 MB / 1.095 GB, free: 44.43 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.006315/2.577, allocations: 4.354 MB / 1.099 GB, free: 40.07 MB / 0.545 GB Notification: Performance of SimCode: time 1.653e-06/2.577, allocations: 0 / 1.099 GB, free: 40.07 MB / 0.545 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.4689/3.046, allocations: 183.8 MB / 1.279 GB, free: 89.53 MB / 0.5607 GB Notification: Performance of buildModelFMU: Generate platform static: time 56.2/59.25, allocations: 0 / 1.279 GB, free: 89.53 MB / 0.5607 GB " [Timeout remaining time 601] (rm -f Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.pipe ; mkfifo Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.pipe >> ../files/Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.sim & python3 -m fmpy simulate --output-file Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic_res.csv --start-time 0 --stop-time 0.5 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 9.94431e-05 Modelica_trunk_Modelica_Mechanics_MultiBody_Examples_Loops_Engine1b_analytic.fmu > Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.pipe 2>&1) [Timeout 52.5] diffSimulationResults("Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Mechanics/MultiBody/Examples/Loops/Engine1b_analytic/Engine1b_analytic.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_trunk_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_analytic.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: 62.0630769140007]