Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW.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 0.001535/0.001535, allocations: 111.1 kB / 20.44 MB, free: 1.184 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 0.001852/0.001852, allocations: 207.9 kB / 23.73 MB, free: 4.387 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.456/1.456, allocations: 230.6 MB / 257.5 MB, free: 7.781 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2218/0.2218, allocations: 44.95 MB / 358.9 MB, free: 6.125 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+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.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_Fluid_Dissipation_Verifications_PressureLoss_StraightPipe_dp_turbulent_DPMFLOW",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_Fluid_Dissipation_Verifications_PressureLoss_StraightPipe_dp_turbulent_DPMFLOW",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: ModelicaTest requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002052/0.002052, allocations: 71.88 kB / 0.4931 GB, free: 10.5 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3192/0.3213, allocations: 65.47 MB / 0.557 GB, free: 7.348 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW): time 0.003262/0.3245, allocations: 1.805 MB / 0.5588 GB, free: 5.723 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.002668/0.3272, allocations: 1.532 MB / 0.5603 GB, free: 4.188 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 6.95e-05/0.3273, allocations: 0 / 0.5603 GB, free: 4.188 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0002293/0.3275, allocations: 43.75 kB / 0.5603 GB, free: 4.145 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.000302/0.3278, allocations: 91.56 kB / 0.5604 GB, free: 4.055 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0008376/0.3286, allocations: 406.6 kB / 0.5608 GB, free: 3.656 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.0002957/0.3289, allocations: 242.7 kB / 0.561 GB, free: 3.418 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 5.654e-05/0.329, allocations: 14.42 kB / 0.561 GB, free: 3.402 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0002037/0.3292, allocations: 111.4 kB / 0.5611 GB, free: 3.293 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001825/0.3294, allocations: 123.4 kB / 0.5612 GB, free: 3.172 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 2.515e-05/0.3294, allocations: 8 kB / 0.5613 GB, free: 3.164 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0006094/0.33, allocations: 315.3 kB / 0.5616 GB, free: 2.855 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 9.844e-05/0.3301, allocations: 75.67 kB / 0.5616 GB, free: 2.781 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001006/0.3302, allocations: 91.34 kB / 0.5617 GB, free: 2.691 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0007369/0.3309, allocations: 0.5331 MB / 0.5622 GB, free: 2.156 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.567e-06/0.3309, allocations: 0 / 0.5622 GB, free: 2.156 MB / 398.1 MB Notification: Performance of FrontEnd: time 1.292e-06/0.3309, allocations: 0 / 0.5622 GB, free: 2.156 MB / 398.1 MB Notification: Performance of Transformations before backend: time 5.06e-06/0.3309, allocations: 0 / 0.5622 GB, free: 2.156 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: 96 * Number of variables: 96 Notification: Performance of Generate backend data structure: time 0.0009095/0.3319, allocations: 0.5554 MB / 0.5628 GB, free: 1.57 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.776e-05/0.3319, allocations: 8.031 kB / 0.5628 GB, free: 1.562 MB / 398.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.076e-05/0.332, allocations: 82.69 kB / 0.5629 GB, free: 1.473 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.401e-05/0.3321, allocations: 32.7 kB / 0.5629 GB, free: 1.441 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002964/0.3323, allocations: 189.2 kB / 0.5631 GB, free: 1.23 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.257e-05/0.3324, allocations: 12.66 kB / 0.5631 GB, free: 1.219 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.494e-05/0.3324, allocations: 35.98 kB / 0.5631 GB, free: 1.184 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007546/0.3332, allocations: 471.9 kB / 0.5636 GB, free: 0.7188 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.198e-05/0.3332, allocations: 3.984 kB / 0.5636 GB, free: 0.7148 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.31e-05/0.3332, allocations: 8 kB / 0.5636 GB, free: 0.707 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.557e-05/0.3333, allocations: 48.97 kB / 0.5636 GB, free: 0.6602 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008812/0.3342, allocations: 0.5425 MB / 0.5642 GB, free: 116 kB / 398.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001889/0.336, allocations: 1.032 MB / 0.5652 GB, free: 15.01 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0005862/0.3366, allocations: 270.5 kB / 0.5654 GB, free: 14.74 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002058/0.3368, allocations: 88.8 kB / 0.5655 GB, free: 14.65 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 3.606e-05/0.3369, allocations: 19.92 kB / 0.5655 GB, free: 14.63 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.002e-05/0.3369, allocations: 38.5 kB / 0.5656 GB, free: 14.58 MB / 414.1 MB Notification: Performance of pre-optimization done (n=25): time 1.442e-06/0.3369, allocations: 0 / 0.5656 GB, free: 14.58 MB / 414.1 MB Notification: Performance of matching and sorting (n=25): time 0.0007486/0.3377, allocations: 325.3 kB / 0.5659 GB, free: 14.26 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.714e-05/0.3377, allocations: 63.33 kB / 0.5659 GB, free: 14.18 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001395/0.3379, allocations: 145.1 kB / 0.5661 GB, free: 14.03 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 2.689e-05/0.3379, allocations: 29.7 kB / 0.5661 GB, free: 14 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001334/0.338, allocations: 200.2 kB / 0.5663 GB, free: 13.8 MB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 8.225e-05/0.3381, allocations: 95.22 kB / 0.5664 GB, free: 13.7 MB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 9.885e-05/0.3382, allocations: 73.64 kB / 0.5665 GB, free: 13.62 MB / 414.1 MB Notification: Performance of setup shared object (initialization): time 0.0001496/0.3383, allocations: 326.8 kB / 0.5668 GB, free: 13.3 MB / 414.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002051/0.3385, allocations: 83.92 kB / 0.5668 GB, free: 13.21 MB / 414.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002756/0.3388, allocations: 179 kB / 0.567 GB, free: 13 MB / 414.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004933/0.3393, allocations: 290.9 kB / 0.5673 GB, free: 12.68 MB / 414.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.465e-06/0.3393, allocations: 0 / 0.5673 GB, free: 12.68 MB / 414.1 MB Notification: Performance of matching and sorting (n=36) (initialization): time 0.0006068/0.3399, allocations: 321.1 kB / 0.5676 GB, free: 12.36 MB / 414.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.681e-05/0.3399, allocations: 11.94 kB / 0.5676 GB, free: 12.35 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.39e-05/0.34, allocations: 4 kB / 0.5676 GB, free: 12.35 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.606e-05/0.34, allocations: 4 kB / 0.5676 GB, free: 12.34 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005266/0.3405, allocations: 136.2 kB / 0.5677 GB, free: 12.21 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001474/0.342, allocations: 2.36 MB / 0.5701 GB, free: 9.758 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001747/0.3422, allocations: 39.7 kB / 0.5701 GB, free: 9.719 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.491e-05/0.3422, allocations: 16 kB / 0.5701 GB, free: 9.703 MB / 414.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 1 (roughness) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (36): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0001829/0.3424, allocations: 170.1 kB / 0.5703 GB, free: 9.527 MB / 414.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.569e-05/0.3424, allocations: 19.84 kB / 0.5703 GB, free: 9.508 MB / 414.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007684/0.3432, allocations: 366.2 kB / 0.5706 GB, free: 9.145 MB / 414.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.084e-06/0.3432, allocations: 7.984 kB / 0.5706 GB, free: 9.137 MB / 414.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.188e-06/0.3432, allocations: 0 / 0.5706 GB, free: 9.137 MB / 414.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.684e-06/0.3432, allocations: 7.922 kB / 0.5706 GB, free: 9.129 MB / 414.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004064/0.3436, allocations: 312.5 kB / 0.5709 GB, free: 8.781 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.553e-06/0.3436, allocations: 0 / 0.5709 GB, free: 8.781 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004687/0.3441, allocations: 119.9 kB / 0.5711 GB, free: 8.664 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.645e-06/0.3441, allocations: 8 kB / 0.5711 GB, free: 8.656 MB / 414.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.987e-05/0.3441, allocations: 8 kB / 0.5711 GB, free: 8.648 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001388/0.3455, allocations: 2.356 MB / 0.5734 GB, free: 6.199 MB / 414.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.078e-06/0.3455, allocations: 3.938 kB / 0.5734 GB, free: 6.195 MB / 414.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005875/0.3461, allocations: 375.6 kB / 0.5737 GB, free: 5.812 MB / 414.1 MB Notification: Performance of postOpt removeConstants (simulation): time 2.229e-05/0.3461, allocations: 15.84 kB / 0.5738 GB, free: 5.797 MB / 414.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.927e-05/0.3461, allocations: 8 kB / 0.5738 GB, free: 5.789 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001485/0.3463, allocations: 11.98 kB / 0.5738 GB, free: 5.777 MB / 414.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.691e-05/0.3463, allocations: 19.97 kB / 0.5738 GB, free: 5.758 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.048e-05/0.3464, allocations: 11.98 kB / 0.5738 GB, free: 5.746 MB / 414.1 MB Notification: Performance of sorting global known variables: time 8.958e-05/0.3464, allocations: 107.2 kB / 0.5739 GB, free: 5.641 MB / 414.1 MB Notification: Performance of sort global known variables: time 7e-08/0.3464, allocations: 0 / 0.5739 GB, free: 5.641 MB / 414.1 MB Notification: Performance of remove unused functions: time 0.0005148/0.347, allocations: 175.2 kB / 0.5741 GB, free: 5.469 MB / 414.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (29): * Single equations (assignments): 25 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001216/0.3482, allocations: 1.036 MB / 0.5751 GB, free: 4.402 MB / 414.1 MB Notification: Performance of simCode: created initialization part: time 0.0007389/0.3489, allocations: 295.6 kB / 0.5754 GB, free: 4.113 MB / 414.1 MB Notification: Performance of simCode: created event and clocks part: time 4.108e-06/0.3489, allocations: 4 kB / 0.5754 GB, free: 4.109 MB / 414.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0004276/0.3493, allocations: 159.8 kB / 0.5755 GB, free: 3.953 MB / 414.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003361/0.3497, allocations: 14.31 kB / 0.5755 GB, free: 3.941 MB / 414.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003379/0.3531, allocations: 2.567 MB / 0.578 GB, free: 1.227 MB / 414.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002117/0.3533, allocations: 193.8 kB / 0.5782 GB, free: 1.02 MB / 414.1 MB Notification: Performance of simCode: alias equations: time 0.0002907/0.3536, allocations: 97.72 kB / 0.5783 GB, free: 0.9219 MB / 414.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001472/0.3537, allocations: 91.39 kB / 0.5784 GB, free: 0.832 MB / 414.1 MB Notification: Performance of SimCode: time 8.12e-07/0.3537, allocations: 0 / 0.5784 GB, free: 0.832 MB / 414.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03403/0.3877, allocations: 7.603 MB / 0.5858 GB, free: 9.406 MB / 430.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 12.63/13.02, allocations: 8 kB / 0.5858 GB, free: 9.398 MB / 430.1 MB " [Timeout remaining time 647] (rm -f ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW_res.mat --tempDir=temp_ModelicaTest_4_0_0_ModelicaTest_Fluid_Dissipation_Verifications_PressureLoss_StraightPipe_dp_turbulent_DPMFLOW_fmu --startTime=0 --stopTime=1.01 --stepSize=0.0002 --timeout=50 --tolerance=1e-05 ModelicaTest_4_0_0_ModelicaTest_Fluid_Dissipation_Verifications_PressureLoss_StraightPipe_dp_turbulent_DPMFLOW.fmu > ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Fluid/Dissipation/Verifications/PressureLoss/StraightPipe/dp_turbulent_DPMFLOW/dp_turbulent_DPMFLOW.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.PressureLoss.StraightPipe.dp_turbulent_DPMFLOW.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: 16.31790404394269]