Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001474/0.001474, allocations: 79.69 kB / 21.7 MB, free: 2.848 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001148/0.001148, allocations: 167.7 kB / 24.99 MB, free: 8.219 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 0.9136/0.9136, allocations: 177 MB / 205.2 MB, free: 5.527 MB / 186.7 MB " [Timeout remaining time 179] Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5010,variableFilter="time|tank1.level|tank1.medium.T|tank1.aboveLevel.[0-9,]+.",fileNamePrefix="Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2") translateModel(Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5010,variableFilter="time|tank1.level|tank1.medium.T|tank1.aboveLevel.[0-9,]+.",fileNamePrefix="Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.383e-06/1.383e-06, allocations: 0 / 273 MB, free: 1.715 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.709e-05/1.848e-05, allocations: 5.406 kB / 273 MB, free: 1.711 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2): time 0.1402/0.1402, allocations: 22.59 MB / 295.6 MB, free: 14.18 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.01099/0.1512, allocations: 10.01 MB / 305.6 MB, free: 12.11 MB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001043/0.1522, allocations: 41.34 kB / 305.6 MB, free: 12.08 MB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0009854/0.1532, allocations: 396.5 kB / 306 MB, free: 11.86 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.003289/0.1565, allocations: 1.508 MB / 307.5 MB, free: 11.03 MB / 266.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.005346/0.1619, allocations: 2.836 MB / 310.4 MB, free: 9.547 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.002711/0.1646, allocations: 2.595 MB / 313 MB, free: 8.043 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0008311/0.1654, allocations: 0.5927 MB / 313.6 MB, free: 7.605 MB / 266.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001677/0.1671, allocations: 1.291 MB / 314.8 MB, free: 6.836 MB / 266.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001146/0.1682, allocations: 0.9708 MB / 315.8 MB, free: 6.301 MB / 266.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001769/0.1684, allocations: 94.5 kB / 315.9 MB, free: 6.301 MB / 266.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002297/0.1707, allocations: 1.378 MB / 317.3 MB, free: 5.645 MB / 266.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0003025/0.171, allocations: 398.5 kB / 317.7 MB, free: 5.367 MB / 266.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0004009/0.1714, allocations: 395.6 kB / 318.1 MB, free: 5.168 MB / 266.7 MB Notification: Performance of NFConvertDAE.convert: time 0.002965/0.1744, allocations: 2.169 MB / 320.2 MB, free: 2.992 MB / 266.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.709e-06/0.1744, allocations: 3.938 kB / 320.2 MB, free: 2.988 MB / 266.7 MB Notification: Performance of FrontEnd: time 1.923e-06/0.1744, allocations: 0 / 320.2 MB, free: 2.988 MB / 266.7 MB Notification: Performance of Transformations before backend: time 2.164e-05/0.1744, allocations: 0 / 320.2 MB, free: 2.988 MB / 266.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 164 * Number of variables: 164 Notification: Performance of Generate backend data structure: time 0.001897/0.1763, allocations: 1.568 MB / 321.8 MB, free: 1.375 MB / 266.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.91e-05/0.1763, allocations: 15.98 kB / 321.8 MB, free: 1.359 MB / 266.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003336/0.1767, allocations: 179.1 kB / 322 MB, free: 1.184 MB / 266.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006419/0.1773, allocations: 0.6878 MB / 322.7 MB, free: 484 kB / 266.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.981e-05/0.1773, allocations: 49.3 kB / 322.7 MB, free: 432 kB / 266.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.605e-05/0.1774, allocations: 67.98 kB / 322.8 MB, free: 364 kB / 266.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000951/0.1784, allocations: 1.08 MB / 323.9 MB, free: 15.11 MB / 282.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.843e-05/0.1784, allocations: 3.938 kB / 323.9 MB, free: 15.11 MB / 282.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.789e-05/0.1784, allocations: 31.98 kB / 323.9 MB, free: 15.07 MB / 282.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.819e-05/0.1785, allocations: 69.27 kB / 324 MB, free: 15.01 MB / 282.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006843/0.1792, allocations: 435.3 kB / 324.4 MB, free: 14.58 MB / 282.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003378/0.1826, allocations: 3.531 MB / 327.9 MB, free: 10.95 MB / 282.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0004951/0.1831, allocations: 301.5 kB / 328.2 MB, free: 10.65 MB / 282.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001959/0.1833, allocations: 125.1 kB / 328.3 MB, free: 10.52 MB / 282.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.00107/0.1844, allocations: 0.9428 MB / 329.3 MB, free: 9.562 MB / 282.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.871e-05/0.1844, allocations: 45.72 kB / 329.3 MB, free: 9.508 MB / 282.7 MB Notification: Performance of pre-optimization done (n=40): time 1.713e-06/0.1844, allocations: 0 / 329.3 MB, free: 9.508 MB / 282.7 MB Notification: Performance of matching and sorting (n=45): time 0.002249/0.1866, allocations: 1.155 MB / 330.5 MB, free: 8.309 MB / 282.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.876e-05/0.1867, allocations: 162.2 kB / 330.6 MB, free: 8.113 MB / 282.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006007/0.1873, allocations: 0.7489 MB / 331.4 MB, free: 7.348 MB / 282.7 MB Notification: Performance of collectPreVariables (initialization): time 4.286e-05/0.1873, allocations: 37.7 kB / 331.4 MB, free: 7.305 MB / 282.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002636/0.1876, allocations: 0.5413 MB / 332 MB, free: 6.758 MB / 282.7 MB Notification: Performance of collectInitialBindings (initialization): time 9.813e-05/0.1877, allocations: 178.6 kB / 332.1 MB, free: 6.582 MB / 282.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001913/0.1879, allocations: 192.2 kB / 332.3 MB, free: 6.387 MB / 282.7 MB Notification: Performance of setup shared object (initialization): time 0.0001681/0.1881, allocations: 0.5703 MB / 332.9 MB, free: 5.805 MB / 282.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002315/0.1883, allocations: 127.6 kB / 333 MB, free: 5.68 MB / 282.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004477/0.1887, allocations: 0.6557 MB / 333.7 MB, free: 4.812 MB / 282.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006137/0.1893, allocations: 0.6541 MB / 334.3 MB, free: 3.988 MB / 282.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.957e-06/0.1894, allocations: 4 kB / 334.3 MB, free: 3.984 MB / 282.7 MB Notification: Performance of matching and sorting (n=110) (initialization): time 0.0009711/0.1903, allocations: 0.7381 MB / 335.1 MB, free: 3.23 MB / 282.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.978e-05/0.1903, allocations: 8 kB / 335.1 MB, free: 3.223 MB / 282.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.173e-05/0.1904, allocations: 8.562 kB / 335.1 MB, free: 3.215 MB / 282.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001182/0.1915, allocations: 315.5 kB / 335.4 MB, free: 2.898 MB / 282.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003848/0.1919, allocations: 179.7 kB / 335.6 MB, free: 2.723 MB / 282.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007834/0.1927, allocations: 1.701 MB / 337.3 MB, free: 0.9609 MB / 282.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003807/0.1931, allocations: 39.97 kB / 337.3 MB, free: 0.9219 MB / 282.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.55e-05/0.1931, allocations: 47.98 kB / 337.4 MB, free: 0.875 MB / 282.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003627/0.1935, allocations: 264.8 kB / 337.6 MB, free: 0.6094 MB / 282.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004535/0.194, allocations: 0.6706 MB / 338.3 MB, free: 15.72 MB / 298.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005941/0.1946, allocations: 0.6663 MB / 339 MB, free: 14.88 MB / 298.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.25e-06/0.1946, allocations: 7.938 kB / 339 MB, free: 14.88 MB / 298.7 MB Notification: Performance of matching and sorting (n=110) (initialization_lambda0): time 0.0009365/0.1955, allocations: 0.7276 MB / 339.7 MB, free: 14.13 MB / 298.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.364e-05/0.1955, allocations: 8 kB / 339.7 MB, free: 14.12 MB / 298.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.456e-06/0.1955, allocations: 8 kB / 339.7 MB, free: 14.11 MB / 298.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009926/0.1965, allocations: 283.1 kB / 340 MB, free: 13.83 MB / 298.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003458/0.1969, allocations: 184.5 kB / 340.2 MB, free: 13.65 MB / 298.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006768/0.1975, allocations: 1.68 MB / 341.9 MB, free: 11.91 MB / 298.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003571/0.1979, allocations: 51.97 kB / 341.9 MB, free: 11.86 MB / 298.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.689e-05/0.1979, allocations: 47.23 kB / 342 MB, free: 11.81 MB / 298.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 40 * Number of states: 0 () * Number of discrete variables: 6 (tank1.aboveLevel[2],$PRE.tank1.aboveLevel[2],tank1.aboveLevel[1],$PRE.tank1.aboveLevel[1],tank1.ports_m_flow_out[2],tank1.ports_m_flow_out[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (104): * Single equations (assignments): 102 * 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 {(1,3), (1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0002044/0.1981, allocations: 332.3 kB / 342.3 MB, free: 11.48 MB / 298.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001109/0.1982, allocations: 99.42 kB / 342.4 MB, free: 11.38 MB / 298.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008189/0.1991, allocations: 0.5253 MB / 342.9 MB, free: 10.85 MB / 298.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.799e-06/0.1991, allocations: 4 kB / 342.9 MB, free: 10.85 MB / 298.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.757e-06/0.1991, allocations: 0 / 342.9 MB, free: 10.85 MB / 298.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.34e-06/0.1991, allocations: 3.984 kB / 342.9 MB, free: 10.84 MB / 298.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001349/0.2004, allocations: 1.157 MB / 344.1 MB, free: 9.633 MB / 298.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.906e-06/0.2004, allocations: 0 / 344.1 MB, free: 9.633 MB / 298.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001986/0.2006, allocations: 75.91 kB / 344.1 MB, free: 9.559 MB / 298.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006294/0.2013, allocations: 231.1 kB / 344.4 MB, free: 9.324 MB / 298.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.48e-05/0.2013, allocations: 19.98 kB / 344.4 MB, free: 9.305 MB / 298.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006397/0.2019, allocations: 1.702 MB / 346.1 MB, free: 7.539 MB / 298.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.976e-06/0.2019, allocations: 7.938 kB / 346.1 MB, free: 7.531 MB / 298.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007707/0.2027, allocations: 0.685 MB / 346.8 MB, free: 6.805 MB / 298.7 MB Notification: Performance of postOpt removeConstants (simulation): time 9.115e-05/0.2028, allocations: 79.47 kB / 346.9 MB, free: 6.727 MB / 298.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.287e-05/0.2029, allocations: 12 kB / 346.9 MB, free: 6.715 MB / 298.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002293/0.2031, allocations: 32.06 kB / 346.9 MB, free: 6.684 MB / 298.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.758e-05/0.2032, allocations: 47.41 kB / 346.9 MB, free: 6.641 MB / 298.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.346e-05/0.2032, allocations: 27.61 kB / 347 MB, free: 6.617 MB / 298.7 MB Notification: Performance of sorting global known variables: time 0.0003809/0.2036, allocations: 474.9 kB / 347.4 MB, free: 6.16 MB / 298.7 MB Notification: Performance of sort global known variables: time 8e-08/0.2036, allocations: 0 / 347.4 MB, free: 6.16 MB / 298.7 MB Notification: Performance of remove unused functions: time 0.001314/0.2049, allocations: 0.7599 MB / 348.2 MB, free: 5.398 MB / 298.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 2 (tank1.level,tank1.medium.T) * Number of discrete variables: 2 (tank1.aboveLevel[1],tank1.aboveLevel[2]) * Number of discrete states: 2 (tank1.aboveLevel[1],tank1.aboveLevel[2]) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (43): * Single equations (assignments): 41 * 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 {(1,6), (1,6)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0009799/0.2059, allocations: 0.6413 MB / 348.8 MB, free: 4.75 MB / 298.7 MB Notification: Performance of simCode: created initialization part: time 0.001385/0.2073, allocations: 0.8015 MB / 349.6 MB, free: 3.949 MB / 298.7 MB Notification: Performance of simCode: created event and clocks part: time 4.578e-06/0.2073, allocations: 3.859 kB / 349.6 MB, free: 3.945 MB / 298.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0002948/0.2076, allocations: 215.5 kB / 349.9 MB, free: 3.734 MB / 298.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000932/0.2085, allocations: 350.8 kB / 350.2 MB, free: 3.43 MB / 298.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002293/0.2108, allocations: 1.458 MB / 351.7 MB, free: 1.926 MB / 298.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001431/0.211, allocations: 220.2 kB / 351.9 MB, free: 1.688 MB / 298.7 MB Notification: Performance of simCode: alias equations: time 0.000654/0.2116, allocations: 308.9 kB / 352.2 MB, free: 1.395 MB / 298.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001337/0.2117, allocations: 68.48 kB / 352.2 MB, free: 1.324 MB / 298.7 MB Notification: Performance of SimCode: time 1.463e-06/0.2118, allocations: 0 / 352.2 MB, free: 1.324 MB / 298.7 MB Notification: Performance of Templates: time 0.02574/0.2375, allocations: 22.9 MB / 375.1 MB, free: 10.67 MB / 330.7 MB " [Timeout remaining time 660] make -j1 -f Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.makefile [Timeout 660] (rm -f Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.pipe ; mkfifo Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.pipe >> ../files/Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.sim & ./Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2 -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.Test.TankWithEmptyingPipe2_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Fluid/Examples/AST_BatchPlant/Test/TankWithEmptyingPipe2/TankWithEmptyingPipe2.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: 3.4499787639360875]