Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001276/0.001276, allocations: 115.7 kB / 18.49 MB, free: 4.59 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001219/0.001219, allocations: 194.5 kB / 21.43 MB, free: 1.66 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.355/1.355, allocations: 225.6 MB / 249.8 MB, free: 3.734 MB / 190.1 MB " [Timeout remaining time 178] Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource,fileNamePrefix="Modelica_4_0_0_Modelica_Magnetic_QuasiStatic_FundamentalWave_Examples_BasicMachines_SynchronousMachines_SMR_CurrentSource",fmuType="cs",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource,fileNamePrefix="Modelica_4_0_0_Modelica_Magnetic_QuasiStatic_FundamentalWave_Examples_BasicMachines_SynchronousMachines_SMR_CurrentSource",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.001489/0.001489, allocations: 47.94 kB / 366.4 MB, free: 0.8359 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09706/0.09855, allocations: 52.14 MB / 418.5 MB, free: 12.59 MB / 350.1 MB Notification: Performance of NFInst.instantiate(Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource): time 0.2293/0.3278, allocations: 39.6 MB / 458.1 MB, free: 7.949 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.01845/0.3463, allocations: 10.44 MB / 468.6 MB, free: 6.02 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.007808/0.3541, allocations: 370.2 kB / 468.9 MB, free: 5.891 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01796/0.372, allocations: 8.633 MB / 477.6 MB, free: 2.141 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01088/0.3829, allocations: 3.48 MB / 481 MB, free: 15.9 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.007005/0.3899, allocations: 2.339 MB / 483.4 MB, free: 14.44 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.01892/0.4088, allocations: 12.89 MB / 496.3 MB, free: 6.547 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.03143/0.4403, allocations: 19.64 MB / 0.5038 GB, free: 6.246 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.01236/0.4526, allocations: 6.935 MB / 0.5106 GB, free: 15.29 MB / 414.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.01406/0.4667, allocations: 7.806 MB / 0.5182 GB, free: 7.461 MB / 414.1 MB Notification: Performance of NFPackage.collectConstants: time 0.004874/0.4716, allocations: 1.949 MB / 0.5201 GB, free: 5.512 MB / 414.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.007337/0.4789, allocations: 2.355 MB / 0.5224 GB, free: 3.156 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.005882/0.4848, allocations: 3.967 MB / 0.5263 GB, free: 15.18 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.01368/0.4984, allocations: 7.556 MB / 0.5337 GB, free: 7.594 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.03423/0.5327, allocations: 25.93 MB / 0.559 GB, free: 13.58 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.871e-06/0.5327, allocations: 0 / 0.559 GB, free: 13.58 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.813e-06/0.5327, allocations: 3.938 kB / 0.559 GB, free: 13.57 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.000576/0.5333, allocations: 0 / 0.559 GB, free: 13.57 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 3329 * Number of variables: 3329 Notification: Performance of Generate backend data structure: time 0.04262/0.5759, allocations: 15.27 MB / 0.5739 GB, free: 14.17 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.393e-05/0.5759, allocations: 15.97 kB / 0.5739 GB, free: 14.15 MB / 478.1 MB Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 0.0003355/0.5763, allocations: 334.7 kB / 0.5742 GB, free: 13.82 MB / 478.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004744/0.581, allocations: 1.707 MB / 0.5759 GB, free: 12.11 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0335/0.6145, allocations: 6.216 MB / 0.582 GB, free: 5.875 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01702/0.6315, allocations: 8.076 MB / 0.5899 GB, free: 13.71 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008811/0.6324, allocations: 0.9031 MB / 0.5907 GB, free: 12.81 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004004/0.6364, allocations: 1.195 MB / 0.5919 GB, free: 11.62 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04186/0.6783, allocations: 18.65 MB / 0.6101 GB, free: 8.879 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003681/0.6786, allocations: 27.83 kB / 0.6101 GB, free: 8.852 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00244/0.6811, allocations: 500 kB / 0.6106 GB, free: 8.363 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006535/0.6817, allocations: 0.6421 MB / 0.6113 GB, free: 7.719 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03597/0.7177, allocations: 16.77 MB / 0.6276 GB, free: 6.934 MB / 0.5137 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.4231/1.141, allocations: 58.29 MB / 0.6845 GB, free: 117.9 MB / 0.5138 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01718/1.158, allocations: 32.45 MB / 0.7162 GB, free: 85.92 MB / 0.5138 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004543/1.163, allocations: 3.386 MB / 0.7195 GB, free: 84.16 MB / 0.5138 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01163/1.174, allocations: 8.653 MB / 0.728 GB, free: 78.46 MB / 0.5138 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.569e-05/1.174, allocations: 68.22 kB / 0.7281 GB, free: 78.39 MB / 0.5138 GB Notification: Performance of pre-optimization done (n=349): time 6.182e-06/1.174, allocations: 0 / 0.7281 GB, free: 78.39 MB / 0.5138 GB Notification: Performance of matching and sorting (n=389): time 0.02898/1.203, allocations: 17.69 MB / 0.7453 GB, free: 63.87 MB / 0.5138 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.327e-05/1.203, allocations: 90.47 kB / 0.7454 GB, free: 63.77 MB / 0.5138 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00568/1.209, allocations: 5.027 MB / 0.7503 GB, free: 58.81 MB / 0.5138 GB Notification: Performance of collectPreVariables (initialization): time 0.0004529/1.209, allocations: 89.7 kB / 0.7504 GB, free: 58.71 MB / 0.5138 GB Notification: Performance of collectInitialEqns (initialization): time 0.002037/1.211, allocations: 5.638 MB / 0.7559 GB, free: 53.57 MB / 0.5138 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009886/1.212, allocations: 1.415 MB / 0.7573 GB, free: 52.18 MB / 0.5138 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001499/1.214, allocations: 1.327 MB / 0.7586 GB, free: 50.84 MB / 0.5138 GB Notification: Performance of setup shared object (initialization): time 3.496e-05/1.214, allocations: 301.1 kB / 0.7589 GB, free: 50.54 MB / 0.5138 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003232/1.217, allocations: 2.902 MB / 0.7617 GB, free: 47.64 MB / 0.5138 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004077/1.221, allocations: 5.881 MB / 0.7675 GB, free: 40.36 MB / 0.5138 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007992/1.229, allocations: 9.433 MB / 0.7767 GB, free: 29.48 MB / 0.5138 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.981e-05/1.229, allocations: 31.94 kB / 0.7767 GB, free: 29.45 MB / 0.5138 GB Notification: Performance of matching and sorting (n=865) (initialization): time 0.01294/1.242, allocations: 9.85 MB / 0.7863 GB, free: 19.54 MB / 0.5138 GB Notification: Performance of prepare postOptimizeDAE: time 7.356e-05/1.242, allocations: 51.94 kB / 0.7864 GB, free: 19.49 MB / 0.5138 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001154/1.242, allocations: 100 kB / 0.7865 GB, free: 19.39 MB / 0.5138 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002111/1.245, allocations: 0.9412 MB / 0.7874 GB, free: 18.43 MB / 0.5138 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004791/1.249, allocations: 1.583 MB / 0.7889 GB, free: 16.85 MB / 0.5138 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009068/1.258, allocations: 10.18 MB / 0.7989 GB, free: 6.242 MB / 0.5138 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004827/1.263, allocations: 411.5 kB / 0.7993 GB, free: 5.84 MB / 0.5138 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008027/1.264, allocations: 352 kB / 0.7996 GB, free: 5.496 MB / 0.5138 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 455 * 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 (816): * Single equations (assignments): 811 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(2,100.0%), (2,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(1,1,100.0%), (1,1,100.0%), (8,38,59.4%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.006008/1.27, allocations: 4.25 MB / 0.8038 GB, free: 1.23 MB / 0.5138 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001143/1.271, allocations: 0.5318 MB / 0.8043 GB, free: 0.6953 MB / 0.5138 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01137/1.283, allocations: 6.466 MB / 0.8106 GB, free: 10.18 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.484e-05/1.283, allocations: 44 kB / 0.8106 GB, free: 10.14 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.96e-05/1.283, allocations: 8 kB / 0.8106 GB, free: 10.13 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.752e-05/1.283, allocations: 19.92 kB / 0.8107 GB, free: 10.11 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02833/1.311, allocations: 15.67 MB / 0.826 GB, free: 10.41 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.446e-05/1.311, allocations: 4 kB / 0.826 GB, free: 10.41 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003245/1.314, allocations: 0.7493 MB / 0.8267 GB, free: 9.656 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0023/1.317, allocations: 0.7878 MB / 0.8275 GB, free: 8.852 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002903/1.317, allocations: 83.97 kB / 0.8275 GB, free: 8.77 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01134/1.328, allocations: 9.351 MB / 0.8367 GB, free: 14.99 MB / 0.5607 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.538e-06/1.328, allocations: 7.938 kB / 0.8367 GB, free: 14.98 MB / 0.5607 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01549/1.344, allocations: 9.506 MB / 0.846 GB, free: 5.367 MB / 0.5607 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002533/1.346, allocations: 1.071 MB / 0.847 GB, free: 4.273 MB / 0.5607 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008179/1.347, allocations: 83.94 kB / 0.8471 GB, free: 4.191 MB / 0.5607 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002296/1.349, allocations: 223.7 kB / 0.8473 GB, free: 3.973 MB / 0.5607 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005855/1.35, allocations: 258.8 kB / 0.8475 GB, free: 3.719 MB / 0.5607 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002546/1.35, allocations: 112 kB / 0.8477 GB, free: 3.609 MB / 0.5607 GB Notification: Performance of sorting global known variables: time 0.005419/1.356, allocations: 3.346 MB / 0.8509 GB, free: 284 kB / 0.5607 GB Notification: Performance of sort global known variables: time 7e-08/1.356, allocations: 0 / 0.8509 GB, free: 284 kB / 0.5607 GB Notification: Performance of remove unused functions: time 0.1936/1.549, allocations: 1.881 MB / 0.8528 GB, free: 185.5 MB / 0.5607 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 13 * Number of states: 4 (inertiaLoad.w,quadraticSpeedDependentTorque.phi,inertiaLoadQS.w,quadraticSpeedDependentTorqueQS.phi) * 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 (368): * Single equations (assignments): 363 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(2,100.0%), (2,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(1,1,100.0%), (8,38,59.4%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.01384/1.563, allocations: 10.21 MB / 0.8627 GB, free: 183.9 MB / 0.5607 GB Notification: Performance of simCode: created initialization part: time 0.01085/1.574, allocations: 7.354 MB / 0.8699 GB, free: 180.9 MB / 0.5607 GB Notification: Performance of simCode: created event and clocks part: time 7.134e-06/1.574, allocations: 2.594 kB / 0.8699 GB, free: 180.9 MB / 0.5607 GB Notification: Performance of simCode: created simulation system equations: time 0.004903/1.579, allocations: 3.321 MB / 0.8732 GB, free: 179.3 MB / 0.5607 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00566/1.584, allocations: 1.29 MB / 0.8744 GB, free: 178.9 MB / 0.5607 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08221/1.667, allocations: 65.15 MB / 0.938 GB, free: 128.6 MB / 0.5607 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006211/1.673, allocations: 7.32 MB / 0.9452 GB, free: 121.2 MB / 0.5607 GB Notification: Performance of simCode: alias equations: time 0.005002/1.678, allocations: 2.148 MB / 0.9473 GB, free: 119 MB / 0.5607 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.004537/1.682, allocations: 4.33 MB / 0.9515 GB, free: 114.7 MB / 0.5607 GB Notification: Performance of SimCode: time 1.232e-06/1.682, allocations: 0 / 0.9515 GB, free: 114.7 MB / 0.5607 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.3813/2.064, allocations: 148.7 MB / 1.097 GB, free: 163.3 MB / 0.5607 GB Notification: Performance of buildModelFMU: Generate platform static: time 20.69/22.76, allocations: 8.188 kB / 1.097 GB, free: 163.3 MB / 0.5607 GB " [Timeout remaining time 637] (rm -f Modelica_4.0.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource.pipe ; mkfifo Modelica_4.0.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource.pipe >> ../files/Modelica_4.0.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Modelica_4.0.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource_res.mat --tempDir=temp_Modelica_4_0_0_Modelica_Magnetic_QuasiStatic_FundamentalWave_Examples_BasicMachines_SynchronousMachines_SMR_CurrentSource_fmu --startTime=0 --stopTime=2 --stepSize=0.0001 --timeout=50 --tolerance=1e-06 Modelica_4_0_0_Modelica_Magnetic_QuasiStatic_FundamentalWave_Examples_BasicMachines_SynchronousMachines_SMR_CurrentSource.fmu > Modelica_4.0.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource.pipe 2>&1) [Timeout 52.5] diffSimulationResults("Modelica_4.0.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/Modelica/Magnetic/QuasiStatic/FundamentalWave/Examples/BasicMachines/SynchronousMachines/SMR_CurrentSource/SMR_CurrentSource.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_4.0.0_Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 646] Reference file matches [Calling sys.exit(0), Time elapsed: 52.18124640802853]