Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2.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 0.001971/0.001971, allocations: 87.67 kB / 20.21 MB, free: 4.211 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 0.002086/0.002086, allocations: 165.2 kB / 23.53 MB, free: 0.8984 MB / 18.57 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 1.424/1.424, allocations: 158.6 MB / 185.3 MB, free: 2.883 MB / 170.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.2015/0.2015, allocations: 32.37 MB / 270 MB, free: 14.77 MB / 266.7 MB " [Timeout remaining time 180] Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo) 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(ModelicaTest.MultiBody.Forces.WorldForces2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2") translateModel(ModelicaTest.MultiBody.Forces.WorldForces2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.292e-06/1.292e-06, allocations: 0 / 347 MB, free: 9.75 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.559e-05/2.688e-05, allocations: 6.312 kB / 347 MB, free: 9.742 MB / 282.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.WorldForces2): time 0.01733/0.01736, allocations: 16.24 MB / 363.2 MB, free: 9.43 MB / 298.7 MB Notification: Performance of NFInst.instExpressions: time 0.01372/0.03108, allocations: 5.206 MB / 368.4 MB, free: 4.203 MB / 298.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003952/0.03503, allocations: 135.4 kB / 368.6 MB, free: 4.07 MB / 298.7 MB Notification: Performance of NFTyping.typeComponents: time 0.01211/0.04715, allocations: 5.447 MB / 374 MB, free: 14.61 MB / 314.7 MB Notification: Performance of NFTyping.typeBindings: time 0.00903/0.05617, allocations: 2.958 MB / 377 MB, free: 11.63 MB / 314.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.003795/0.05997, allocations: 1.388 MB / 378.4 MB, free: 10.24 MB / 314.7 MB Notification: Performance of NFFlatten.flatten: time 0.01394/0.07391, allocations: 8.744 MB / 387.1 MB, free: 1.484 MB / 314.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.009162/0.08307, allocations: 5.885 MB / 393 MB, free: 11.51 MB / 330.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.008299/0.09137, allocations: 4.206 MB / 397.2 MB, free: 7.297 MB / 330.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.008511/0.09988, allocations: 4.256 MB / 401.5 MB, free: 3.031 MB / 330.7 MB Notification: Performance of NFPackage.collectConstants: time 0.002042/0.1019, allocations: 0.6055 MB / 402.1 MB, free: 2.426 MB / 330.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004443/0.1064, allocations: 1.584 MB / 403.6 MB, free: 0.8398 MB / 330.7 MB Notification: Performance of NFScalarize.scalarize: time 0.006025/0.1124, allocations: 3.717 MB / 407.4 MB, free: 13.11 MB / 346.7 MB Notification: Performance of NFVerifyModel.verify: time 0.005418/0.1178, allocations: 2.294 MB / 409.7 MB, free: 10.81 MB / 346.7 MB Notification: Performance of NFConvertDAE.convert: time 0.01802/0.1358, allocations: 12.13 MB / 421.8 MB, free: 14.64 MB / 362.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.431e-06/0.1358, allocations: 0 / 421.8 MB, free: 14.64 MB / 362.7 MB Notification: Performance of FrontEnd: time 1.513e-06/0.1358, allocations: 0 / 421.8 MB, free: 14.64 MB / 362.7 MB Notification: Performance of Transformations before backend: time 0.0003519/0.1362, allocations: 0 / 421.8 MB, free: 14.64 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: 2370 * Number of variables: 2370 Notification: Performance of Generate backend data structure: time 0.02554/0.1617, allocations: 9.566 MB / 431.4 MB, free: 4.988 MB / 362.7 MB Notification: Performance of prepare preOptimizeDAE: time 5.336e-05/0.1618, allocations: 12.03 kB / 431.4 MB, free: 4.977 MB / 362.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01991/0.1817, allocations: 3.959 MB / 435.3 MB, free: 1.008 MB / 362.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.2805/0.4622, allocations: 4.525 MB / 439.9 MB, free: 84.77 MB / 362.8 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000371/0.4625, allocations: 392.9 kB / 440.2 MB, free: 84.76 MB / 362.8 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002005/0.4645, allocations: 0.5177 MB / 440.8 MB, free: 84.75 MB / 362.8 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02231/0.4869, allocations: 10.39 MB / 451.1 MB, free: 77.94 MB / 362.8 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002183/0.4871, allocations: 71.41 kB / 451.2 MB, free: 77.87 MB / 362.8 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007338/0.4878, allocations: 246.7 kB / 451.5 MB, free: 77.68 MB / 362.8 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004151/0.492, allocations: 2.924 MB / 454.4 MB, free: 74.77 MB / 362.8 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01725/0.5092, allocations: 5.654 MB / 460 MB, free: 69.13 MB / 362.8 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.07403/0.5832, allocations: 72.47 MB / 0.52 GB, free: 11.23 MB / 378.8 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01276/0.596, allocations: 2.905 MB / 0.5229 GB, free: 8.273 MB / 378.8 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002866/0.5989, allocations: 1.106 MB / 0.5239 GB, free: 7.145 MB / 378.8 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001806/0.5991, allocations: 49.44 kB / 0.524 GB, free: 7.098 MB / 378.8 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.953e-05/0.5991, allocations: 62.45 kB / 0.524 GB, free: 7.031 MB / 378.8 MB Notification: Performance of pre-optimization done (n=242): time 5.711e-06/0.5991, allocations: 0 / 0.524 GB, free: 7.031 MB / 378.8 MB Notification: Performance of matching and sorting (n=260): time 0.06814/0.6673, allocations: 19.48 MB / 0.5431 GB, free: 3.637 MB / 394.8 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002082/0.6675, allocations: 261.2 kB / 0.5433 GB, free: 3.324 MB / 394.8 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01179/0.6793, allocations: 6.888 MB / 0.55 GB, free: 12.46 MB / 410.8 MB Notification: Performance of collectPreVariables (initialization): time 0.0006265/0.6799, allocations: 61.7 kB / 0.5501 GB, free: 12.39 MB / 410.8 MB Notification: Performance of collectInitialEqns (initialization): time 0.005937/0.6858, allocations: 5.525 MB / 0.5555 GB, free: 6.816 MB / 410.8 MB Notification: Performance of collectInitialBindings (initialization): time 0.002006/0.6878, allocations: 1.156 MB / 0.5566 GB, free: 5.652 MB / 410.8 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003929/0.6918, allocations: 2.278 MB / 0.5588 GB, free: 3.355 MB / 410.8 MB Notification: Performance of setup shared object (initialization): time 0.0002465/0.692, allocations: 476.8 kB / 0.5593 GB, free: 2.887 MB / 410.8 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003083/0.6951, allocations: 1.192 MB / 0.5605 GB, free: 1.688 MB / 410.8 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01154/0.7066, allocations: 9.201 MB / 0.5695 GB, free: 4.965 MB / 426.8 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01888/0.7255, allocations: 11.41 MB / 0.5806 GB, free: 6.07 MB / 442.8 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0003218/0.7258, allocations: 56 kB / 0.5806 GB, free: 6.016 MB / 442.8 MB Notification: Performance of matching and sorting (n=1150) (initialization): time 0.1976/0.9234, allocations: 8.801 MB / 0.5892 GB, free: 128.3 MB / 442.8 MB Notification: Performance of prepare postOptimizeDAE: time 0.0001736/0.9236, allocations: 85.75 kB / 0.5893 GB, free: 128.3 MB / 442.8 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002816/0.9239, allocations: 184.5 kB / 0.5895 GB, free: 128.3 MB / 442.8 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.004865/0.9287, allocations: 1.174 MB / 0.5906 GB, free: 128.2 MB / 442.8 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007877/0.9366, allocations: 2.107 MB / 0.5927 GB, free: 128.1 MB / 442.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0102/0.9468, allocations: 8.875 MB / 0.6014 GB, free: 122.1 MB / 442.8 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009065/0.9559, allocations: 0.5874 MB / 0.6019 GB, free: 122.1 MB / 442.8 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002053/0.9579, allocations: 0.5161 MB / 0.6024 GB, free: 122.1 MB / 442.8 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 825 * Number of states: 0 () * Number of discrete variables: 57 (worldForce2.color[3],worldForce2.color[2],worldForce2.color[1],fixed3.color[3],fixed3.color[2],fixed3.color[1],BodyCylinder3.color[3],BodyCylinder3.color[2],BodyCylinder3.color[1],BodyCylinder3.body.sphereColor[3],BodyCylinder3.body.sphereColor[2],BodyCylinder3.body.sphereColor[1],Revolute3.cylinderColor[3],Revolute3.cylinderColor[2],Revolute3.cylinderColor[1],fixed2.color[3],fixed2.color[2],fixed2.color[1],worldForce1.color[3],worldForce1.color[2],worldForce1.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],fixed1.color[3],fixed1.color[2],fixed1.color[1],worldForce.color[3],worldForce.color[2],worldForce.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 (1087): * Single equations (assignments): 1081 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(2,12,100.0%), (2,12,100.0%), (2,12,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.003899/0.9618, allocations: 1.004 MB / 0.6034 GB, free: 121.8 MB / 442.8 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001499/0.9633, allocations: 0.5806 MB / 0.604 GB, free: 121.8 MB / 442.8 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007775/0.9711, allocations: 3.072 MB / 0.607 GB, free: 121.6 MB / 442.8 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.501e-05/0.9712, allocations: 34.78 kB / 0.607 GB, free: 121.6 MB / 442.8 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.972e-05/0.9712, allocations: 10.94 kB / 0.607 GB, free: 121.5 MB / 442.8 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.929e-05/0.9712, allocations: 11.48 kB / 0.6071 GB, free: 121.5 MB / 442.8 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0249/0.9961, allocations: 10.44 MB / 0.6172 GB, free: 120.7 MB / 442.8 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.889e-05/0.9961, allocations: 4.547 kB / 0.6172 GB, free: 120.7 MB / 442.8 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002522/0.9987, allocations: 0.4987 MB / 0.6177 GB, free: 120.7 MB / 442.8 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.003886/1.003, allocations: 0.8929 MB / 0.6186 GB, free: 120.6 MB / 442.8 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003734/1.003, allocations: 47.52 kB / 0.6187 GB, free: 120.6 MB / 442.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.008281/1.011, allocations: 8.254 MB / 0.6267 GB, free: 114 MB / 442.8 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.955e-06/1.011, allocations: 3.938 kB / 0.6267 GB, free: 114 MB / 442.8 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.009904/1.021, allocations: 4.581 MB / 0.6312 GB, free: 109.6 MB / 442.8 MB Notification: Performance of postOpt removeConstants (simulation): time 0.003446/1.025, allocations: 0.9051 MB / 0.6321 GB, free: 109 MB / 442.8 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001729/1.026, allocations: 40 kB / 0.6321 GB, free: 109 MB / 442.8 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003921/1.03, allocations: 267.6 kB / 0.6324 GB, free: 108.7 MB / 442.8 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006034/1.031, allocations: 161.6 kB / 0.6325 GB, free: 108.5 MB / 442.8 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001992/1.031, allocations: 69.19 kB / 0.6326 GB, free: 108.5 MB / 442.8 MB Notification: Performance of sorting global known variables: time 0.005256/1.036, allocations: 2.852 MB / 0.6354 GB, free: 105.6 MB / 442.8 MB Notification: Performance of sort global known variables: time 9e-08/1.036, allocations: 0 / 0.6354 GB, free: 105.6 MB / 442.8 MB Notification: Performance of remove unused functions: time 0.01045/1.047, allocations: 1.815 MB / 0.6371 GB, free: 103.8 MB / 442.8 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 6 (Revolute3.phi,Revolute3.w,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 (215): * Single equations (assignments): 209 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(1,10,100.0%), (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 0.0009307/1.048, allocations: 208.3 kB / 0.6373 GB, free: 103.6 MB / 442.8 MB Notification: Performance of simCode: created initialization part: time 0.01076/1.058, allocations: 5.442 MB / 0.6427 GB, free: 98.18 MB / 442.8 MB Notification: Performance of simCode: created event and clocks part: time 1.205e-05/1.058, allocations: 5.875 kB / 0.6427 GB, free: 98.18 MB / 442.8 MB Notification: Performance of simCode: created simulation system equations: time 0.002768/1.061, allocations: 1.697 MB / 0.6443 GB, free: 96.44 MB / 442.8 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004818/1.066, allocations: 0.6868 MB / 0.645 GB, free: 95.78 MB / 442.8 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02173/1.088, allocations: 12.56 MB / 0.6573 GB, free: 83.18 MB / 442.8 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005737/1.093, allocations: 4.043 MB / 0.6612 GB, free: 79.09 MB / 442.8 MB Notification: Performance of simCode: alias equations: time 0.005307/1.099, allocations: 2.227 MB / 0.6634 GB, free: 76.86 MB / 442.8 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00144/1.1, allocations: 360.4 kB / 0.6637 GB, free: 76.51 MB / 442.8 MB Notification: Performance of SimCode: time 3.106e-06/1.1, allocations: 0 / 0.6637 GB, free: 76.51 MB / 442.8 MB Notification: Performance of Templates: time 0.09051/1.191, allocations: 54.39 MB / 0.7168 GB, free: 22.19 MB / 442.8 MB " [Timeout remaining time 659] make -j1 -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2.makefile [Timeout 660] (rm -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2.sim & ./ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2 -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2.pipe 2>&1) [Timeout 240] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Forces/WorldForces2/WorldForces2.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.WorldForces2.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: 8.103650509030558]