Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.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 0.001471/0.001471, allocations: 79.92 kB / 20.72 MB, free: 3.77 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 0.0009891/0.0009891, allocations: 169 kB / 24.14 MB, free: 360 kB / 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 0.8733/0.8733, allocations: 158.6 MB / 186 MB, free: 2.762 MB / 170.7 MB " [Timeout remaining time 179] 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 0.1526/0.1526, allocations: 32.37 MB / 270.7 MB, free: 14.61 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.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|volume.medium.T|p_start|T_start|h_start|X_start.[0-9,]+.|volume.ports.[0-9,]+..m_flow|volume.ports.[0-9,]+..p|volume.ports.[0-9,]+..h_outflow|volume.ports_H_flow.[0-9,]+.|volume.ports_E_flow.[0-9,]+.|volume.ports_penetration.[0-9,]+.|volume.portsData_diameter.[0-9,]+.|volume.portsData_height.[0-9,]+.|volume.portsData_zeta_in.[0-9,]+.|volume.portsData_zeta_out.[0-9,]+.|fixedMassFlowRate.ports.[0-9,]+..m_flow|fixedMassFlowRate.ports.[0-9,]+..p|fixedMassFlowRate.ports.[0-9,]+..h_outflow|shortPipe.port_b.m_flow|shortPipe.port_b.p|shortPipe.port_b.h_outflow",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47") translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|volume.medium.T|p_start|T_start|h_start|X_start.[0-9,]+.|volume.ports.[0-9,]+..m_flow|volume.ports.[0-9,]+..p|volume.ports.[0-9,]+..h_outflow|volume.ports_H_flow.[0-9,]+.|volume.ports_E_flow.[0-9,]+.|volume.ports_penetration.[0-9,]+.|volume.portsData_diameter.[0-9,]+.|volume.portsData_height.[0-9,]+.|volume.portsData_zeta_in.[0-9,]+.|volume.portsData_zeta_out.[0-9,]+.|fixedMassFlowRate.ports.[0-9,]+..m_flow|fixedMassFlowRate.ports.[0-9,]+..p|fixedMassFlowRate.ports.[0-9,]+..h_outflow|shortPipe.port_b.m_flow|shortPipe.port_b.p|shortPipe.port_b.h_outflow",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.563e-06/1.563e-06, allocations: 0 / 299.1 MB, free: 2.141 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.557e-05/2.713e-05, allocations: 2.312 kB / 299.1 MB, free: 2.137 MB / 282.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47): time 0.1603/0.1603, allocations: 11.15 MB / 310.3 MB, free: 14.31 MB / 282.7 MB Notification: Performance of NFInst.instExpressions: time 0.004216/0.1646, allocations: 2.295 MB / 312.6 MB, free: 12.77 MB / 282.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007214/0.1653, allocations: 26.84 kB / 312.6 MB, free: 12.75 MB / 282.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0006622/0.1659, allocations: 201.7 kB / 312.8 MB, free: 12.65 MB / 282.7 MB Notification: Performance of NFTyping.typeBindings: time 0.003396/0.1693, allocations: 1.296 MB / 314.1 MB, free: 12 MB / 282.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002067/0.1714, allocations: 0.8495 MB / 314.9 MB, free: 11.57 MB / 282.7 MB Notification: Performance of NFFlatten.flatten: time 0.002576/0.174, allocations: 1.846 MB / 316.8 MB, free: 10.5 MB / 282.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0008046/0.1748, allocations: 419.3 kB / 317.2 MB, free: 10.21 MB / 282.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003197/0.178, allocations: 1.885 MB / 319.1 MB, free: 9.223 MB / 282.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001057/0.179, allocations: 0.5672 MB / 319.7 MB, free: 8.918 MB / 282.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001828/0.1792, allocations: 59.78 kB / 319.7 MB, free: 8.918 MB / 282.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001233/0.1804, allocations: 0.5326 MB / 320.2 MB, free: 8.668 MB / 282.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002478/0.1807, allocations: 285.5 kB / 320.5 MB, free: 8.473 MB / 282.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0003722/0.1811, allocations: 287.9 kB / 320.8 MB, free: 8.336 MB / 282.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001386/0.1825, allocations: 1.009 MB / 321.8 MB, free: 7.516 MB / 282.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.799e-06/0.1825, allocations: 0 / 321.8 MB, free: 7.516 MB / 282.7 MB Notification: Performance of FrontEnd: time 2.214e-06/0.1825, allocations: 0 / 321.8 MB, free: 7.516 MB / 282.7 MB Notification: Performance of Transformations before backend: time 1.773e-05/0.1825, allocations: 0 / 321.8 MB, free: 7.516 MB / 282.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 133 * Number of variables: 133 Notification: Performance of Generate backend data structure: time 0.001276/0.1838, allocations: 0.985 MB / 322.8 MB, free: 6.504 MB / 282.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.465e-05/0.1838, allocations: 12.03 kB / 322.8 MB, free: 6.492 MB / 282.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007113/0.1845, allocations: 232.2 kB / 323 MB, free: 6.266 MB / 282.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005216/0.185, allocations: 431.3 kB / 323.5 MB, free: 5.82 MB / 282.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.699e-05/0.1851, allocations: 160.3 kB / 323.6 MB, free: 5.641 MB / 282.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.302e-05/0.1852, allocations: 52.38 kB / 323.7 MB, free: 5.59 MB / 282.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006515/0.1858, allocations: 0.9332 MB / 324.6 MB, free: 4.48 MB / 282.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.869e-05/0.1858, allocations: 8.125 kB / 324.6 MB, free: 4.473 MB / 282.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.643e-05/0.1859, allocations: 31.92 kB / 324.6 MB, free: 4.441 MB / 282.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.546e-05/0.1859, allocations: 36.98 kB / 324.7 MB, free: 4.402 MB / 282.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004017/0.1863, allocations: 243.2 kB / 324.9 MB, free: 4.168 MB / 282.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002199/0.1885, allocations: 2.996 MB / 327.9 MB, free: 1.059 MB / 282.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0002571/0.1888, allocations: 149 kB / 328.1 MB, free: 0.9023 MB / 282.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 5.794e-05/0.1888, allocations: 40.84 kB / 328.1 MB, free: 0.8594 MB / 282.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001455/0.189, allocations: 100.5 kB / 328.2 MB, free: 0.7617 MB / 282.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.368e-05/0.189, allocations: 43.12 kB / 328.2 MB, free: 0.7109 MB / 282.7 MB Notification: Performance of pre-optimization done (n=30): time 3.236e-06/0.189, allocations: 0 / 328.2 MB, free: 0.7109 MB / 282.7 MB Notification: Performance of matching and sorting (n=36): time 0.002087/0.1911, allocations: 0.8863 MB / 329.1 MB, free: 15.79 MB / 298.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.418e-05/0.1912, allocations: 132.5 kB / 329.2 MB, free: 15.62 MB / 298.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003584/0.1915, allocations: 0.5026 MB / 329.7 MB, free: 15.11 MB / 298.7 MB Notification: Performance of collectPreVariables (initialization): time 3.421e-05/0.1915, allocations: 33.7 kB / 329.8 MB, free: 15.07 MB / 298.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001645/0.1917, allocations: 368.8 kB / 330.1 MB, free: 14.7 MB / 298.7 MB Notification: Performance of collectInitialBindings (initialization): time 8.767e-05/0.1918, allocations: 138.8 kB / 330.3 MB, free: 14.57 MB / 298.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001436/0.1919, allocations: 146.5 kB / 330.4 MB, free: 14.42 MB / 298.7 MB Notification: Performance of setup shared object (initialization): time 0.000112/0.1921, allocations: 382.6 kB / 330.8 MB, free: 14.04 MB / 298.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 9.421e-05/0.1921, allocations: 61.95 kB / 330.9 MB, free: 13.97 MB / 298.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002734/0.1924, allocations: 469.5 kB / 331.3 MB, free: 13.34 MB / 298.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004286/0.1929, allocations: 0.5098 MB / 331.8 MB, free: 12.7 MB / 298.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.671e-06/0.1929, allocations: 4 kB / 331.8 MB, free: 12.69 MB / 298.7 MB Notification: Performance of matching and sorting (n=91) (initialization): time 0.000679/0.1935, allocations: 0.5141 MB / 332.3 MB, free: 12.16 MB / 298.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.192e-05/0.1936, allocations: 8.719 kB / 332.4 MB, free: 12.16 MB / 298.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.444e-05/0.1936, allocations: 12 kB / 332.4 MB, free: 12.14 MB / 298.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006425/0.1942, allocations: 224.7 kB / 332.6 MB, free: 11.92 MB / 298.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002375/0.1945, allocations: 135.8 kB / 332.7 MB, free: 11.79 MB / 298.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006654/0.1951, allocations: 1.174 MB / 333.9 MB, free: 10.56 MB / 298.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002827/0.1954, allocations: 24 kB / 333.9 MB, free: 10.54 MB / 298.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.045e-05/0.1954, allocations: 39.94 kB / 334 MB, free: 10.5 MB / 298.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 45 * Number of states: 0 () * Number of discrete variables: 4 (volume.inFlow[1],volume.inFlow[2],volume.regularFlow[2],volume.regularFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (73): * Single equations (assignments): 71 * Array equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,4), (1,14)} Notification: Performance of prepare postOptimizeDAE: time 0.0002051/0.1957, allocations: 165.9 kB / 334.1 MB, free: 10.32 MB / 298.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.208e-05/0.1957, allocations: 55.95 kB / 334.2 MB, free: 10.27 MB / 298.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000654/0.1964, allocations: 405.3 kB / 334.6 MB, free: 9.867 MB / 298.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.619e-06/0.1964, allocations: 4 kB / 334.6 MB, free: 9.863 MB / 298.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.204e-06/0.1964, allocations: 0 / 334.6 MB, free: 9.863 MB / 298.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.561e-06/0.1964, allocations: 3.938 kB / 334.6 MB, free: 9.859 MB / 298.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008688/0.1973, allocations: 0.6757 MB / 335.2 MB, free: 9.145 MB / 298.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.248e-06/0.1973, allocations: 7.156 kB / 335.3 MB, free: 9.141 MB / 298.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 9.994e-05/0.1974, allocations: 47.84 kB / 335.3 MB, free: 9.094 MB / 298.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004317/0.1978, allocations: 155.2 kB / 335.5 MB, free: 8.934 MB / 298.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.91e-05/0.1978, allocations: 12 kB / 335.5 MB, free: 8.922 MB / 298.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005464/0.1984, allocations: 1.142 MB / 336.6 MB, free: 7.723 MB / 298.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.573e-06/0.1984, allocations: 0 / 336.6 MB, free: 7.723 MB / 298.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000513/0.1989, allocations: 470.9 kB / 337.1 MB, free: 7.227 MB / 298.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001344/0.199, allocations: 87.64 kB / 337.2 MB, free: 7.141 MB / 298.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.238e-05/0.1991, allocations: 8 kB / 337.2 MB, free: 7.133 MB / 298.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001571/0.1992, allocations: 8 kB / 337.2 MB, free: 7.125 MB / 298.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.977e-05/0.1993, allocations: 31.88 kB / 337.2 MB, free: 7.094 MB / 298.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.366e-05/0.1993, allocations: 21.23 kB / 337.2 MB, free: 7.074 MB / 298.7 MB Notification: Performance of sorting global known variables: time 0.0001804/0.1995, allocations: 212.3 kB / 337.4 MB, free: 6.867 MB / 298.7 MB Notification: Performance of sort global known variables: time 6e-08/0.1995, allocations: 0 / 337.4 MB, free: 6.867 MB / 298.7 MB Notification: Performance of remove unused functions: time 0.0006038/0.2001, allocations: 239.7 kB / 337.7 MB, free: 6.633 MB / 298.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 1 (volume.medium.T) * 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 (25): * Single equations (assignments): 23 * Array equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(1,4), (2,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.000537/0.2007, allocations: 262.4 kB / 337.9 MB, free: 6.395 MB / 298.7 MB Notification: Performance of simCode: created initialization part: time 0.0005108/0.2012, allocations: 338.3 kB / 338.2 MB, free: 6.066 MB / 298.7 MB Notification: Performance of simCode: created event and clocks part: time 2.063e-05/0.2012, allocations: 8.5 kB / 338.3 MB, free: 6.059 MB / 298.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0001995/0.2014, allocations: 129.1 kB / 338.4 MB, free: 5.93 MB / 298.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007409/0.2021, allocations: 303.5 kB / 338.7 MB, free: 5.652 MB / 298.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001722/0.2039, allocations: 1.091 MB / 339.8 MB, free: 4.523 MB / 298.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001085/0.204, allocations: 159 kB / 339.9 MB, free: 4.348 MB / 298.7 MB Notification: Performance of simCode: alias equations: time 0.0003396/0.2043, allocations: 129.1 kB / 340 MB, free: 4.223 MB / 298.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004893/0.2048, allocations: 281 kB / 340.3 MB, free: 3.945 MB / 298.7 MB Notification: Performance of SimCode: time 1.323e-06/0.2048, allocations: 0 / 340.3 MB, free: 3.945 MB / 298.7 MB Notification: Performance of Templates: time 0.01887/0.2237, allocations: 14.53 MB / 354.8 MB, free: 5.539 MB / 314.7 MB " [Timeout remaining time 660] make -j1 -f ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.makefile [Timeout 660] (rm -f ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.sim & ./ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47 -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47.pipe 2>&1) [Timeout 240] diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Glycol47_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Media/TestsWithFluid/MediaTestModels/Incompressible/Glycol47/Glycol47.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 3.356936535798013]