Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources.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 0.001704/0.001704, allocations: 108.3 kB / 19.7 MB, free: 1.918 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 0.002324/0.002324, allocations: 213.5 kB / 22.99 MB, free: 4.977 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 1.629/1.629, allocations: 207.7 MB / 233.8 MB, free: 9.785 MB / 190.1 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 0.2576/0.2576, allocations: 44.26 MB / 330.3 MB, free: 9.301 MB / 270.1 MB " [Timeout remaining time 179] 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: "" <> buildModelFMU(ModelicaTest.FluxTubes.Sources,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_FluxTubes_Sources",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.FluxTubes.Sources,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_FluxTubes_Sources",fmuType="me",version="2.0",platforms={"static"}) [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 0.002642/0.002642, allocations: 75.89 kB / 467.5 MB, free: 4.348 MB / 334.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1699/0.1725, allocations: 61.04 MB / 0.5161 GB, free: 7.184 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.FluxTubes.Sources): time 0.006199/0.1787, allocations: 2.455 MB / 0.5185 GB, free: 4.711 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.002251/0.181, allocations: 0.7525 MB / 0.5193 GB, free: 3.949 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004732/0.1815, allocations: 7.938 kB / 0.5193 GB, free: 3.941 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0005041/0.182, allocations: 63.39 kB / 0.5193 GB, free: 3.879 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0006864/0.1827, allocations: 107.2 kB / 0.5194 GB, free: 3.773 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0005982/0.1833, allocations: 111.8 kB / 0.5195 GB, free: 3.664 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.0009468/0.1842, allocations: 422.5 kB / 0.5199 GB, free: 3.25 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.000371/0.1846, allocations: 95.84 kB / 0.52 GB, free: 3.152 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0005177/0.1851, allocations: 155.4 kB / 0.5202 GB, free: 3 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0004903/0.1856, allocations: 151.2 kB / 0.5203 GB, free: 2.852 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001566/0.1857, allocations: 32 kB / 0.5204 GB, free: 2.82 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001448/0.1859, allocations: 32 kB / 0.5204 GB, free: 2.789 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 0.000127/0.186, allocations: 79.69 kB / 0.5205 GB, free: 2.711 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0003543/0.1864, allocations: 151.2 kB / 0.5206 GB, free: 2.562 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0007742/0.1871, allocations: 426.2 kB / 0.521 GB, free: 2.145 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.029e-06/0.1871, allocations: 0 / 0.521 GB, free: 2.145 MB / 398.1 MB Notification: Performance of FrontEnd: time 1.203e-06/0.1871, allocations: 0 / 0.521 GB, free: 2.145 MB / 398.1 MB Notification: Performance of Transformations before backend: time 2.071e-05/0.1872, allocations: 0 / 0.521 GB, free: 2.145 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 84 * Number of variables: 84 Notification: Performance of Generate backend data structure: time 0.001734/0.1889, allocations: 0.595 MB / 0.5216 GB, free: 1.52 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.191e-05/0.189, allocations: 8.031 kB / 0.5216 GB, free: 1.512 MB / 398.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001251/0.1891, allocations: 78.66 kB / 0.5217 GB, free: 1.426 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001125/0.1892, allocations: 44.66 kB / 0.5217 GB, free: 1.383 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005456/0.1897, allocations: 218.8 kB / 0.5219 GB, free: 1.141 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.765e-05/0.1898, allocations: 29.38 kB / 0.522 GB, free: 1.113 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.724e-05/0.1898, allocations: 28.38 kB / 0.522 GB, free: 1.086 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009761/0.1908, allocations: 366 kB / 0.5223 GB, free: 0.7109 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.857e-05/0.1908, allocations: 0 / 0.5223 GB, free: 0.7109 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.56e-05/0.1909, allocations: 12 kB / 0.5223 GB, free: 0.6992 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.699e-05/0.1909, allocations: 8 kB / 0.5224 GB, free: 0.6914 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009829/0.1919, allocations: 267.8 kB / 0.5226 GB, free: 440 kB / 398.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003225/0.1951, allocations: 1.23 MB / 0.5238 GB, free: 15.11 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0007672/0.1959, allocations: 194.5 kB / 0.524 GB, free: 14.88 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003059/0.1962, allocations: 71.56 kB / 0.5241 GB, free: 14.8 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.371e-05/0.1962, allocations: 8 kB / 0.5241 GB, free: 14.79 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.306e-05/0.1963, allocations: 34.56 kB / 0.5241 GB, free: 14.75 MB / 414.1 MB Notification: Performance of pre-optimization done (n=15): time 2.144e-06/0.1963, allocations: 0 / 0.5241 GB, free: 14.75 MB / 414.1 MB Notification: Performance of matching and sorting (n=15): time 0.001279/0.1975, allocations: 257.5 kB / 0.5244 GB, free: 14.49 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001083/0.1977, allocations: 132.5 kB / 0.5245 GB, free: 14.33 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005883/0.1982, allocations: 336.3 kB / 0.5248 GB, free: 14 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 4.119e-05/0.1983, allocations: 33.69 kB / 0.5248 GB, free: 13.96 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002638/0.1986, allocations: 236.2 kB / 0.5251 GB, free: 13.72 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 7.209e-05/0.1986, allocations: 63.45 kB / 0.5251 GB, free: 13.66 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001532/0.1988, allocations: 53.94 kB / 0.5252 GB, free: 13.6 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 0.000209/0.199, allocations: 346.7 kB / 0.5255 GB, free: 13.25 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003358/0.1993, allocations: 80.55 kB / 0.5256 GB, free: 13.18 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004278/0.1997, allocations: 176.2 kB / 0.5257 GB, free: 12.96 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007249/0.2005, allocations: 242.9 kB / 0.526 GB, free: 12.69 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.931e-06/0.2005, allocations: 0 / 0.526 GB, free: 12.69 MB / 414.1 MB Notification: Performance of matching and sorting (n=34) (initialization): time 0.00098/0.2015, allocations: 313.4 kB / 0.5263 GB, free: 12.38 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.832e-05/0.2015, allocations: 8 kB / 0.5263 GB, free: 12.37 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.461e-05/0.2015, allocations: 4.078 kB / 0.5263 GB, free: 12.36 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.735e-05/0.2015, allocations: 4 kB / 0.5263 GB, free: 12.36 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000555/0.2021, allocations: 95.8 kB / 0.5264 GB, free: 12.27 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.84e-05/0.2021, allocations: 12.2 kB / 0.5264 GB, free: 12.25 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004149/0.2025, allocations: 43.72 kB / 0.5264 GB, free: 12.21 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.183e-05/0.2025, allocations: 12 kB / 0.5264 GB, free: 12.2 MB / 414.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (34): * Single equations (assignments): 34 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0002445/0.2028, allocations: 157.6 kB / 0.5266 GB, free: 12.04 MB / 414.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000151/0.2029, allocations: 27.81 kB / 0.5266 GB, free: 12.01 MB / 414.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 9.555e-05/0.203, allocations: 34.5 kB / 0.5267 GB, free: 11.97 MB / 414.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.975e-06/0.203, allocations: 4 kB / 0.5267 GB, free: 11.96 MB / 414.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.493e-06/0.2031, allocations: 0 / 0.5267 GB, free: 11.96 MB / 414.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.037e-06/0.2031, allocations: 4 kB / 0.5267 GB, free: 11.96 MB / 414.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001167/0.2042, allocations: 0.536 MB / 0.5272 GB, free: 11.36 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.035e-05/0.2042, allocations: 4 kB / 0.5272 GB, free: 11.36 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003871/0.2046, allocations: 55.88 kB / 0.5272 GB, free: 11.3 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 1.029e-05/0.2046, allocations: 4 kB / 0.5272 GB, free: 11.3 MB / 414.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.42e-05/0.2047, allocations: 12.31 kB / 0.5273 GB, free: 11.29 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.691e-06/0.2047, allocations: 3.984 kB / 0.5273 GB, free: 11.28 MB / 414.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.364e-06/0.2047, allocations: 12.16 kB / 0.5273 GB, free: 11.27 MB / 414.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007823/0.2055, allocations: 390.7 kB / 0.5276 GB, free: 10.86 MB / 414.1 MB Notification: Performance of postOpt removeConstants (simulation): time 9.493e-05/0.2056, allocations: 27.8 kB / 0.5277 GB, free: 10.83 MB / 414.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.182e-05/0.2056, allocations: 11.94 kB / 0.5277 GB, free: 10.82 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003545/0.206, allocations: 11.98 kB / 0.5277 GB, free: 10.8 MB / 414.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.509e-05/0.2061, allocations: 19.97 kB / 0.5277 GB, free: 10.79 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.58e-05/0.2061, allocations: 8 kB / 0.5277 GB, free: 10.78 MB / 414.1 MB Notification: Performance of sorting global known variables: time 0.0003587/0.2064, allocations: 231 kB / 0.5279 GB, free: 10.55 MB / 414.1 MB Notification: Performance of sort global known variables: time 9e-08/0.2064, allocations: 0 / 0.5279 GB, free: 10.55 MB / 414.1 MB Notification: Performance of remove unused functions: time 0.0006897/0.2071, allocations: 75.83 kB / 0.528 GB, free: 10.48 MB / 414.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 0 () * 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 (15): * Single equations (assignments): 15 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.00133/0.2084, allocations: 0.9264 MB / 0.5289 GB, free: 9.508 MB / 414.1 MB Notification: Performance of simCode: created initialization part: time 0.0008083/0.2093, allocations: 183.7 kB / 0.5291 GB, free: 9.328 MB / 414.1 MB Notification: Performance of simCode: created event and clocks part: time 4.298e-06/0.2093, allocations: 4 kB / 0.5291 GB, free: 9.324 MB / 414.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0003351/0.2096, allocations: 72.62 kB / 0.5292 GB, free: 9.254 MB / 414.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007617/0.2104, allocations: 33.44 kB / 0.5292 GB, free: 9.223 MB / 414.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006326/0.2167, allocations: 2.976 MB / 0.5321 GB, free: 6.059 MB / 414.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002583/0.2169, allocations: 168.8 kB / 0.5323 GB, free: 5.879 MB / 414.1 MB Notification: Performance of simCode: alias equations: time 0.0001888/0.2171, allocations: 26.17 kB / 0.5323 GB, free: 5.848 MB / 414.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002365/0.2174, allocations: 103.4 kB / 0.5324 GB, free: 5.746 MB / 414.1 MB Notification: Performance of SimCode: time 8.62e-07/0.2174, allocations: 0 / 0.5324 GB, free: 5.746 MB / 414.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04257/0.2599, allocations: 5.448 MB / 0.5377 GB, free: 300 kB / 414.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 11.24/11.5, allocations: 11.86 kB / 0.5377 GB, free: 288 kB / 414.1 MB " [Timeout remaining time 648] (rm -f ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources.sim & python3 -m fmpy simulate --output-file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-05 --interface-type ModelExchange --solver CVode --output-interval 0.001 ModelicaTest_3_2_3_ModelicaTest_FluxTubes_Sources.fmu > ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/FluxTubes/Sources/Sources.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable constantSource.V_m in file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv. Warning: Get data of variable constantSource.V_m from file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv failed! Error: Could not read variable constantSource.Phi in file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv. Warning: Get data of variable constantSource.Phi from file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv failed! Error: Could not read variable signalSource.V_m in file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv. Warning: Get data of variable signalSource.V_m from file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv failed! Error: Could not read variable signalSource.Phi in file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv. Warning: Get data of variable signalSource.Phi from file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv failed! Error: Could not read variable constantSource1.Phi in file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv. Warning: Get data of variable constantSource1.Phi from file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv failed! Error: Could not read variable signalSource1.Phi in file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv. Warning: Get data of variable signalSource1.Phi from file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv failed! Error: Could not read variable signalSource1.V_m in file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv. Warning: Get data of variable signalSource1.V_m from file ModelicaTest_3.2.3_ModelicaTest.FluxTubes.Sources_res.csv failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 14.969077325891703]