Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings.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 0.001837/0.001837, allocations: 87.39 kB / 22 MB, free: 5.199 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 0.002221/0.002221, allocations: 158.3 kB / 25.24 MB, free: 3.027 MB / 14.72 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 1.286/1.286, allocations: 158.6 MB / 187 MB, free: 6.246 MB / 174.1 MB " [Timeout remaining time 179] 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: translateModel(Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5003,variableFilter="time|body1.frame_a.r_0.1.|body1.frame_a.r_0.2.|body1.frame_a.r_0.3.|body1.v_0.1.|body1.v_0.2.|body1.v_0.3.|body1.w_a.1.|body1.w_a.2.|body1.w_a.3.",fileNamePrefix="Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings") translateModel(Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5003,variableFilter="time|body1.frame_a.r_0.1.|body1.frame_a.r_0.2.|body1.frame_a.r_0.3.|body1.v_0.1.|body1.v_0.2.|body1.v_0.3.|body1.w_a.1.|body1.w_a.2.|body1.w_a.3.",fileNamePrefix="Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings") [Timeout 660] "Notification: Modelica requested package Complex of version 3.2.3. Complex 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001981/0.001981, allocations: 55.92 kB / 299.4 MB, free: 6.855 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.199/0.2009, allocations: 49.14 MB / 348.5 MB, free: 15.54 MB / 318.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings): time 0.01181/0.2127, allocations: 9.393 MB / 357.9 MB, free: 6.105 MB / 318.1 MB Notification: Performance of NFInst.instExpressions: time 0.007416/0.2202, allocations: 3.749 MB / 361.7 MB, free: 2.344 MB / 318.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008622/0.221, allocations: 71.62 kB / 361.7 MB, free: 2.273 MB / 318.1 MB Notification: Performance of NFTyping.typeComponents: time 0.004916/0.2259, allocations: 2.531 MB / 364.3 MB, free: 15.73 MB / 334.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004161/0.2301, allocations: 1.801 MB / 366.1 MB, free: 13.93 MB / 334.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001476/0.2316, allocations: 0.6863 MB / 366.7 MB, free: 13.24 MB / 334.1 MB Notification: Performance of NFFlatten.flatten: time 0.004807/0.2364, allocations: 3.705 MB / 370.5 MB, free: 9.523 MB / 334.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003481/0.2399, allocations: 2.722 MB / 373.2 MB, free: 6.734 MB / 334.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002022/0.2419, allocations: 1.511 MB / 374.7 MB, free: 5.219 MB / 334.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002777/0.2447, allocations: 1.985 MB / 376.7 MB, free: 3.227 MB / 334.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0005484/0.2452, allocations: 316 kB / 377 MB, free: 2.918 MB / 334.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001959/0.2472, allocations: 1.073 MB / 378.1 MB, free: 1.844 MB / 334.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001807/0.249, allocations: 1.866 MB / 379.9 MB, free: 15.97 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001825/0.2508, allocations: 1.596 MB / 381.5 MB, free: 14.37 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.007222/0.258, allocations: 6.752 MB / 388.3 MB, free: 7.594 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.947e-06/0.258, allocations: 0 / 388.3 MB, free: 7.594 MB / 350.1 MB Notification: Performance of FrontEnd: time 1.422e-06/0.258, allocations: 4 kB / 388.3 MB, free: 7.59 MB / 350.1 MB Notification: Performance of Transformations before backend: time 7.534e-05/0.2581, allocations: 7.938 kB / 388.3 MB, free: 7.582 MB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1516 * Number of variables: 1516 Notification: Performance of Generate backend data structure: time 0.008077/0.2662, allocations: 4.619 MB / 392.9 MB, free: 2.906 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.261e-05/0.2662, allocations: 15.98 kB / 392.9 MB, free: 2.891 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007329/0.2736, allocations: 1.999 MB / 394.9 MB, free: 0.8867 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004371/0.2779, allocations: 2.039 MB / 396.9 MB, free: 14.81 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002184/0.2781, allocations: 246.2 kB / 397.2 MB, free: 14.57 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009199/0.2791, allocations: 399.7 kB / 397.6 MB, free: 14.18 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01693/0.296, allocations: 10.14 MB / 407.7 MB, free: 3.301 MB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001057/0.2961, allocations: 39.62 kB / 407.8 MB, free: 3.262 MB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003865/0.2965, allocations: 155.9 kB / 407.9 MB, free: 3.109 MB / 366.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.002792/0.2993, allocations: 1.857 MB / 409.8 MB, free: 1.25 MB / 366.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.017/0.3163, allocations: 8.312 MB / 418.1 MB, free: 8.93 MB / 382.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04586/0.3621, allocations: 37.02 MB / 455.1 MB, free: 2.773 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01049/0.3726, allocations: 3.569 MB / 458.7 MB, free: 15.18 MB / 430.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002023/0.3747, allocations: 1.334 MB / 460 MB, free: 13.84 MB / 430.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01022/0.3849, allocations: 5.557 MB / 465.6 MB, free: 8.246 MB / 430.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.771e-05/0.3849, allocations: 51.56 kB / 465.6 MB, free: 8.188 MB / 430.1 MB Notification: Performance of pre-optimization done (n=152): time 3.927e-06/0.3849, allocations: 0 / 465.6 MB, free: 8.188 MB / 430.1 MB Notification: Performance of matching and sorting (n=159): time 0.1934/0.5784, allocations: 12.43 MB / 478 MB, free: 108.3 MB / 430.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0009076/0.5793, allocations: 1.554 MB / 479.6 MB, free: 106.8 MB / 430.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004305/0.5836, allocations: 3.676 MB / 483.3 MB, free: 105.5 MB / 430.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0002871/0.5839, allocations: 47.14 kB / 483.3 MB, free: 105.4 MB / 430.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.001505/0.5854, allocations: 3.269 MB / 486.6 MB, free: 103.3 MB / 430.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005492/0.5859, allocations: 0.6738 MB / 487.3 MB, free: 102.8 MB / 430.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001159/0.5871, allocations: 1.268 MB / 488.5 MB, free: 102.2 MB / 430.1 MB Notification: Performance of setup shared object (initialization): time 4.02e-05/0.5871, allocations: 305.1 kB / 488.8 MB, free: 101.9 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002423/0.5896, allocations: 2.045 MB / 490.9 MB, free: 101.2 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003866/0.5934, allocations: 5.978 MB / 496.9 MB, free: 95.28 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.006644/0.6001, allocations: 8.643 MB / 0.4937 GB, free: 85.48 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.217e-05/0.6002, allocations: 40 kB / 0.4937 GB, free: 85.45 MB / 430.1 MB Notification: Performance of matching and sorting (n=814) (initialization): time 0.01865/0.6188, allocations: 9.718 MB / 0.5032 GB, free: 75.86 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 6.317e-05/0.6189, allocations: 67.98 kB / 0.5032 GB, free: 75.79 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.01037/0.6292, allocations: 3.712 MB / 0.5069 GB, free: 72.06 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01107/0.6403, allocations: 2.609 MB / 0.5094 GB, free: 69.43 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003489/0.6438, allocations: 1.372 MB / 0.5108 GB, free: 68.06 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007947/0.6517, allocations: 7.396 MB / 0.518 GB, free: 60.43 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004723/0.6565, allocations: 427.5 kB / 0.5184 GB, free: 60.01 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006404/0.6571, allocations: 392 kB / 0.5188 GB, free: 59.62 MB / 430.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 637 * Number of states: 0 () * Number of discrete variables: 39 (spring3.color[3],spring3.color[2],spring3.color[1],spring3.massColor[3],spring3.massColor[2],spring3.massColor[1],spring2.color[3],spring2.color[2],spring2.color[1],spring2.massColor[3],spring2.massColor[2],spring2.massColor[1],bar2.color[3],bar2.color[2],bar2.color[1],spring1.color[3],spring1.color[2],spring1.color[1],spring1.massColor[3],spring1.massColor[2],spring1.massColor[1],bar1.color[3],bar1.color[2],bar1.color[1],body1.sphereColor[3],body1.sphereColor[2],body1.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 (742): * Single equations (assignments): 732 * Array equations: 5 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(4,100.0%), (3,100.0%)} * Non-linear Jacobian (size): 1 system {4} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(3,32)} Notification: Performance of prepare postOptimizeDAE: time 0.002658/0.6598, allocations: 2.006 MB / 0.5207 GB, free: 57.61 MB / 430.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004989/0.6603, allocations: 317.9 kB / 0.521 GB, free: 57.3 MB / 430.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005659/0.6659, allocations: 3.066 MB / 0.524 GB, free: 54.21 MB / 430.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0049/0.6708, allocations: 2.656 MB / 0.5266 GB, free: 51.53 MB / 430.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.432e-05/0.6708, allocations: 11.94 kB / 0.5266 GB, free: 51.52 MB / 430.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.77e-05/0.6709, allocations: 7.969 kB / 0.5266 GB, free: 51.51 MB / 430.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01285/0.6837, allocations: 7.445 MB / 0.5339 GB, free: 44 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.727e-06/0.6837, allocations: 4 kB / 0.5339 GB, free: 43.99 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008194/0.6845, allocations: 195.7 kB / 0.5341 GB, free: 43.8 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.004082/0.6886, allocations: 1.428 MB / 0.5355 GB, free: 42.36 MB / 430.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001012/0.6887, allocations: 39.97 kB / 0.5355 GB, free: 42.32 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004788/0.6935, allocations: 5.735 MB / 0.5411 GB, free: 36.36 MB / 430.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.000681/0.6942, allocations: 1.433 MB / 0.5425 GB, free: 34.82 MB / 430.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007544/0.7017, allocations: 5.269 MB / 0.5477 GB, free: 29.51 MB / 430.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0007677/0.7025, allocations: 273.8 kB / 0.5479 GB, free: 29.24 MB / 430.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002939/0.7028, allocations: 39.92 kB / 0.548 GB, free: 29.2 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001587/0.7044, allocations: 123.8 kB / 0.5481 GB, free: 29.08 MB / 430.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002103/0.7046, allocations: 108.5 kB / 0.5482 GB, free: 28.97 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001022/0.7047, allocations: 43.98 kB / 0.5482 GB, free: 28.93 MB / 430.1 MB Notification: Performance of sorting global known variables: time 0.002376/0.7071, allocations: 2.07 MB / 0.5503 GB, free: 26.87 MB / 430.1 MB Notification: Performance of sort global known variables: time 1.11e-07/0.7071, allocations: 0 / 0.5503 GB, free: 26.87 MB / 430.1 MB Notification: Performance of remove unused functions: time 0.004195/0.7113, allocations: 1.027 MB / 0.5513 GB, free: 25.84 MB / 430.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 12 ($STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],body1.frame_a.r_0[1],body1.frame_a.r_0[2],body1.frame_a.r_0[3],body1.v_0[1],body1.v_0[2],body1.v_0[3],body1.w_a[1],body1.w_a[2],body1.w_a[3]) * 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 (91): * Single equations (assignments): 83 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(4,100.0%), (3,100.0%)} * Non-linear Jacobian (size): 1 system {4} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(6,29)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003213/0.7116, allocations: 158.2 kB / 0.5514 GB, free: 25.68 MB / 430.1 MB Notification: Performance of simCode: created initialization part: time 0.007384/0.719, allocations: 5.134 MB / 0.5564 GB, free: 20.55 MB / 430.1 MB Notification: Performance of simCode: created event and clocks part: time 3.627e-06/0.719, allocations: 3.938 kB / 0.5564 GB, free: 20.54 MB / 430.1 MB Notification: Performance of simCode: created simulation system equations: time 0.003286/0.7223, allocations: 1.805 MB / 0.5582 GB, free: 18.71 MB / 430.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001965/0.7242, allocations: 342 kB / 0.5585 GB, free: 18.37 MB / 430.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01299/0.7372, allocations: 9.119 MB / 0.5674 GB, free: 9.191 MB / 430.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002617/0.7398, allocations: 2.575 MB / 0.5699 GB, free: 6.578 MB / 430.1 MB Notification: Performance of simCode: alias equations: time 0.003703/0.7435, allocations: 1.77 MB / 0.5717 GB, free: 4.805 MB / 430.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004411/0.744, allocations: 204.5 kB / 0.5719 GB, free: 4.605 MB / 430.1 MB Notification: Performance of SimCode: time 1.703e-06/0.744, allocations: 4 kB / 0.5719 GB, free: 4.602 MB / 430.1 MB Notification: Performance of Templates: time 0.06558/0.8095, allocations: 31.08 MB / 0.6022 GB, free: 5.48 MB / 462.1 MB " [Timeout remaining time 659] make -j1 -f Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings.makefile [Timeout 660] (rm -f Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings.pipe ; mkfifo Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings.pipe >> ../files/Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings.sim & ./Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings -abortSlowSimulation -alarm=480 -s ida -emit_protected -lv LOG_STATS > Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings.pipe 2>&1) [Timeout 480] diffSimulationResults("Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/Modelica/Mechanics/MultiBody/Examples/Elementary/ThreeSprings/ThreeSprings.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Elementary.ThreeSprings.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: 6.270946959964931]