Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses.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 0.001261/0.001261, allocations: 87.62 kB / 21.44 MB, free: 3.129 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 0.005016/0.005016, allocations: 160.6 kB / 24.7 MB, free: 9.43 MB / 18.57 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 0.8446/0.8446, allocations: 177.1 MB / 205 MB, free: 5.75 MB / 186.7 MB " [Timeout remaining time 179] 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: translateModel(Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|revolute1.phi|revolute1.w|revolute2.phi|revolute2.w",fileNamePrefix="Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses") translateModel(Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|revolute1.phi|revolute1.w|revolute2.phi|revolute2.w",fileNamePrefix="Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.272e-06/1.272e-06, allocations: 0 / 325.8 MB, free: 15.43 MB / 298.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.457e-05/1.584e-05, allocations: 2.281 kB / 325.8 MB, free: 15.42 MB / 298.7 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses): time 0.009772/0.009787, allocations: 14.95 MB / 340.8 MB, free: 420 kB / 298.7 MB Notification: Performance of NFInst.instExpressions: time 0.006716/0.0165, allocations: 5.291 MB / 346.1 MB, free: 11.1 MB / 314.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009288/0.01743, allocations: 143.2 kB / 346.2 MB, free: 10.96 MB / 314.7 MB Notification: Performance of NFTyping.typeComponents: time 0.003592/0.02102, allocations: 4.454 MB / 350.7 MB, free: 6.492 MB / 314.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002984/0.02401, allocations: 2.892 MB / 353.6 MB, free: 3.586 MB / 314.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001543/0.02555, allocations: 1.633 MB / 355.2 MB, free: 1.949 MB / 314.7 MB Notification: Performance of NFFlatten.flatten: time 0.005945/0.0315, allocations: 10.06 MB / 365.3 MB, free: 7.875 MB / 330.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.00333/0.03483, allocations: 5.407 MB / 370.7 MB, free: 2.387 MB / 330.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002839/0.03767, allocations: 4.124 MB / 374.8 MB, free: 14.25 MB / 346.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003073/0.04074, allocations: 4.427 MB / 379.2 MB, free: 9.816 MB / 346.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0004754/0.04121, allocations: 0.5508 MB / 379.8 MB, free: 9.266 MB / 346.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.00152/0.04273, allocations: 1.595 MB / 381.4 MB, free: 7.668 MB / 346.7 MB Notification: Performance of NFScalarize.scalarize: time 0.001782/0.04452, allocations: 3.588 MB / 385 MB, free: 4.07 MB / 346.7 MB Notification: Performance of NFVerifyModel.verify: time 0.00149/0.046, allocations: 2.2 MB / 387.2 MB, free: 1.863 MB / 346.7 MB Notification: Performance of NFConvertDAE.convert: time 0.006849/0.05285, allocations: 11.41 MB / 398.6 MB, free: 6.414 MB / 362.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.988e-06/0.05286, allocations: 0 / 398.6 MB, free: 6.414 MB / 362.7 MB Notification: Performance of FrontEnd: time 1.773e-06/0.05286, allocations: 3.938 kB / 398.6 MB, free: 6.41 MB / 362.7 MB Notification: Performance of Transformations before backend: time 8.174e-05/0.05294, allocations: 0 / 398.6 MB, free: 6.41 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: 2303 * Number of variables: 2303 Notification: Performance of Generate backend data structure: time 0.009261/0.0622, allocations: 8.471 MB / 407 MB, free: 13.86 MB / 378.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.171e-05/0.06224, allocations: 8.031 kB / 407.1 MB, free: 13.85 MB / 378.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01267/0.07492, allocations: 3.838 MB / 410.9 MB, free: 10 MB / 378.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006393/0.08131, allocations: 5.188 MB / 416.1 MB, free: 4.723 MB / 378.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001611/0.08147, allocations: 373.8 kB / 416.4 MB, free: 4.355 MB / 378.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00063/0.0821, allocations: 0.5113 MB / 417 MB, free: 3.844 MB / 378.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01576/0.09785, allocations: 16.45 MB / 433.4 MB, free: 2.285 MB / 394.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001214/0.09798, allocations: 83.34 kB / 433.5 MB, free: 2.203 MB / 394.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004046/0.09838, allocations: 239.8 kB / 433.7 MB, free: 1.969 MB / 394.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.002762/0.1011, allocations: 2.919 MB / 436.6 MB, free: 15.05 MB / 410.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01619/0.1173, allocations: 13.71 MB / 450.3 MB, free: 1.312 MB / 410.7 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 0.1811/0.2985, allocations: 60.63 MB / 0.499 GB, free: 56.2 MB / 410.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01042/0.3089, allocations: 7.377 MB / 0.5062 GB, free: 48.84 MB / 410.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002624/0.3115, allocations: 3.986 MB / 0.5101 GB, free: 44.83 MB / 410.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01331/0.3248, allocations: 16.59 MB / 0.5263 GB, free: 28.44 MB / 410.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.923e-05/0.3248, allocations: 68.5 kB / 0.5264 GB, free: 28.37 MB / 410.7 MB Notification: Performance of pre-optimization done (n=290): time 5.3e-06/0.3249, allocations: 0 / 0.5264 GB, free: 28.37 MB / 410.7 MB Notification: Performance of matching and sorting (n=372): time 0.08316/0.408, allocations: 51.41 MB / 0.5766 GB, free: 9.336 MB / 442.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001008/0.4081, allocations: 273.8 kB / 0.5768 GB, free: 9.012 MB / 442.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005693/0.4138, allocations: 6.09 MB / 0.5828 GB, free: 3.156 MB / 442.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0002464/0.414, allocations: 81.7 kB / 0.5829 GB, free: 3.07 MB / 442.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.001884/0.4159, allocations: 4.843 MB / 0.5876 GB, free: 14.32 MB / 458.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.001047/0.417, allocations: 1.416 MB / 0.589 GB, free: 12.92 MB / 458.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001666/0.4186, allocations: 1.894 MB / 0.5908 GB, free: 11.01 MB / 458.7 MB Notification: Performance of setup shared object (initialization): time 6.087e-05/0.4187, allocations: 301.1 kB / 0.5911 GB, free: 10.71 MB / 458.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003805/0.4225, allocations: 4.223 MB / 0.5952 GB, free: 6.484 MB / 458.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00614/0.4286, allocations: 9.557 MB / 0.6046 GB, free: 10.35 MB / 474.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.1443/0.5729, allocations: 14.63 MB / 0.6188 GB, free: 150.7 MB / 474.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001216/0.5731, allocations: 50.44 kB / 0.6189 GB, free: 150.7 MB / 474.7 MB Notification: Performance of matching and sorting (n=1253) (initialization): time 0.0188/0.5919, allocations: 17.47 MB / 0.636 GB, free: 145.7 MB / 474.7 MB Notification: Performance of prepare postOptimizeDAE: time 6.081e-05/0.5919, allocations: 82.97 kB / 0.636 GB, free: 145.7 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000107/0.592, allocations: 179.3 kB / 0.6362 GB, free: 145.7 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.006576/0.5986, allocations: 4.527 MB / 0.6406 GB, free: 143.8 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003141/0.6017, allocations: 2.129 MB / 0.6427 GB, free: 142 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01836/0.6201, allocations: 24.97 MB / 0.6671 GB, free: 117.3 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004092/0.6242, allocations: 0.6174 MB / 0.6677 GB, free: 116.7 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004008/0.6246, allocations: 0.5429 MB / 0.6682 GB, free: 116.1 MB / 474.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 825 * Number of states: 0 () * Number of discrete variables: 66 (lineForceWithTwoMasses.massColor[3],lineForceWithTwoMasses.massColor[2],lineForceWithTwoMasses.massColor[1],lineForceWithTwoMasses.color_b[3],lineForceWithTwoMasses.color_b[2],lineForceWithTwoMasses.color_b[1],lineForceWithTwoMasses.color_a[3],lineForceWithTwoMasses.color_a[2],lineForceWithTwoMasses.color_a[1],rod4.color[3],rod4.color[2],rod4.color[1],rod3.color[3],rod3.color[2],rod3.color[1],bodyBox2.color[3],bodyBox2.color[2],bodyBox2.color[1],bodyBox2.body.sphereColor[3],bodyBox2.body.sphereColor[2],bodyBox2.body.sphereColor[1],revolute2.cylinderColor[3],revolute2.cylinderColor[2],revolute2.cylinderColor[1],rod2.color[3],rod2.color[2],rod2.color[1],body2.sphereColor[3],body2.sphereColor[2],body2.sphereColor[1],body1.sphereColor[3],body1.sphereColor[2],body1.sphereColor[1],jointUPS.cylinderColor[3],jointUPS.cylinderColor[2],jointUPS.cylinderColor[1],jointUPS.sphereColor[3],jointUPS.sphereColor[2],jointUPS.sphereColor[1],jointUPS.axisColor[3],jointUPS.axisColor[2],jointUPS.axisColor[1],rod1.color[3],rod1.color[2],rod1.color[1],bodyBox1.color[3],bodyBox1.color[2],bodyBox1.color[1],bodyBox1.body.sphereColor[3],bodyBox1.body.sphereColor[2],bodyBox1.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 (1133): * Single equations (assignments): 1128 * 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 {(1,45,100.0%), (2,50,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.003007/0.6276, allocations: 3.109 MB / 0.6713 GB, free: 113.1 MB / 474.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005525/0.6282, allocations: 0.5466 MB / 0.6718 GB, free: 112.9 MB / 474.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01082/0.639, allocations: 10.61 MB / 0.6822 GB, free: 102.2 MB / 474.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.165e-05/0.639, allocations: 44 kB / 0.6822 GB, free: 102.1 MB / 474.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.535e-05/0.639, allocations: 16 kB / 0.6822 GB, free: 102.1 MB / 474.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.659e-05/0.639, allocations: 15.94 kB / 0.6822 GB, free: 102.1 MB / 474.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01877/0.6578, allocations: 18.53 MB / 0.7003 GB, free: 83.69 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.114e-05/0.6578, allocations: 4 kB / 0.7003 GB, free: 83.69 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0013/0.6591, allocations: 0.5422 MB / 0.7009 GB, free: 83.14 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.006095/0.6652, allocations: 4.172 MB / 0.7049 GB, free: 78.96 MB / 474.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001825/0.6654, allocations: 71.58 kB / 0.705 GB, free: 78.89 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01649/0.6819, allocations: 22.67 MB / 0.7271 GB, free: 56.18 MB / 474.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.312e-06/0.6819, allocations: 0 / 0.7271 GB, free: 56.18 MB / 474.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01416/0.696, allocations: 15.58 MB / 0.7424 GB, free: 40.7 MB / 474.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0007423/0.6968, allocations: 0.5621 MB / 0.7429 GB, free: 40.14 MB / 474.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003959/0.6972, allocations: 63.94 kB / 0.743 GB, free: 40.07 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001563/0.6987, allocations: 311.5 kB / 0.7433 GB, free: 39.77 MB / 474.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000364/0.6991, allocations: 238 kB / 0.7435 GB, free: 39.54 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001625/0.6993, allocations: 99.98 kB / 0.7436 GB, free: 39.44 MB / 474.7 MB Notification: Performance of sorting global known variables: time 0.002795/0.7021, allocations: 3.605 MB / 0.7471 GB, free: 35.86 MB / 474.7 MB Notification: Performance of sort global known variables: time 9.1e-08/0.7021, allocations: 0 / 0.7471 GB, free: 35.86 MB / 474.7 MB Notification: Performance of remove unused functions: time 0.004448/0.7065, allocations: 2.162 MB / 0.7492 GB, free: 33.7 MB / 474.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * 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 (272): * Single equations (assignments): 267 * 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 {(2,43,100.0%), (1,36,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0004215/0.7069, allocations: 236.2 kB / 0.7494 GB, free: 33.47 MB / 474.7 MB Notification: Performance of simCode: created initialization part: time 0.00742/0.7144, allocations: 10.04 MB / 0.7592 GB, free: 23.42 MB / 474.7 MB Notification: Performance of simCode: created event and clocks part: time 2.565e-06/0.7144, allocations: 4 kB / 0.7592 GB, free: 23.42 MB / 474.7 MB Notification: Performance of simCode: created simulation system equations: time 0.002729/0.7171, allocations: 3.799 MB / 0.763 GB, free: 19.59 MB / 474.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001932/0.719, allocations: 0.683 MB / 0.7636 GB, free: 18.93 MB / 474.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01302/0.732, allocations: 17.08 MB / 0.7803 GB, free: 1.805 MB / 474.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003024/0.7351, allocations: 4.337 MB / 0.7845 GB, free: 13.43 MB / 490.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009196/0.736, allocations: 444.4 kB / 0.785 GB, free: 13 MB / 490.7 MB Notification: Performance of SimCode: time 6.52e-07/0.736, allocations: 0 / 0.785 GB, free: 13 MB / 490.7 MB Notification: Performance of Templates: time 0.2595/0.9955, allocations: 156.1 MB / 0.9374 GB, free: 28.73 MB / 490.7 MB " [Timeout remaining time 659] make -j1 -f Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses.makefile [Timeout 660] (rm -f Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses.pipe ; mkfifo Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses.pipe ; head -c 1048576 < Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses.pipe >> ../files/Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses.sim & ./Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses.pipe 2>&1) [Timeout 480] diffSimulationResults("Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Mechanics/MultiBody/Examples/Elementary/LineForceWithTwoMasses/LineForceWithTwoMasses.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_4.1.0_Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses.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: 12.191208685748279]