Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Examples.Performance.Example4.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 0.001685/0.001685, allocations: 114.3 kB / 18.94 MB, free: 2.934 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 0.001994/0.001994, allocations: 216.9 kB / 22.26 MB, free: 5.082 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 1.37/1.37, allocations: 230.6 MB / 256 MB, free: 8.035 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 2.94/2.94, allocations: 0.49 GB / 0.7951 GB, free: 33.34 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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(Buildings.Fluid.Examples.Performance.Example4,fileNamePrefix="Buildings_12_Buildings_Fluid_Examples_Performance_Example4",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.Performance.Example4,fileNamePrefix="Buildings_12_Buildings_Fluid_Examples_Performance_Example4",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings 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 0.002007/0.002007, allocations: 71.53 kB / 1.154 GB, free: 25.69 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3063/0.3084, allocations: 176.1 MB / 1.326 GB, free: 2.016 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.Example4): time 0.2742/0.5825, allocations: 242.3 MB / 1.563 GB, free: 14.82 MB / 1.264 GB Notification: Performance of NFInst.instExpressions: time 0.0235/0.606, allocations: 15.93 MB / 1.578 GB, free: 14.84 MB / 1.279 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002093/0.6081, allocations: 91.25 kB / 1.578 GB, free: 14.75 MB / 1.279 GB Notification: Performance of NFTyping.typeComponents: time 0.002848/0.611, allocations: 1.08 MB / 1.579 GB, free: 13.66 MB / 1.279 GB Notification: Performance of NFTyping.typeBindings: time 0.007622/0.6186, allocations: 3.132 MB / 1.582 GB, free: 10.52 MB / 1.279 GB Notification: Performance of NFTyping.typeClassSections: time 0.004236/0.6228, allocations: 1.735 MB / 1.584 GB, free: 8.789 MB / 1.279 GB Notification: Performance of NFFlatten.flatten: time 0.005096/0.6279, allocations: 3.48 MB / 1.587 GB, free: 5.297 MB / 1.279 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001661/0.6296, allocations: 1.007 MB / 1.588 GB, free: 4.25 MB / 1.279 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007002/0.6366, allocations: 2.891 MB / 1.591 GB, free: 1.363 MB / 1.279 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00232/0.6389, allocations: 1.115 MB / 1.592 GB, free: 260 kB / 1.279 GB Notification: Performance of NFPackage.collectConstants: time 0.000213/0.6391, allocations: 120 kB / 1.592 GB, free: 140 kB / 1.279 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005897/0.645, allocations: 3.277 MB / 1.596 GB, free: 12.85 MB / 1.295 GB Notification: Performance of NFScalarize.scalarize: time 0.0006099/0.6456, allocations: 486.2 kB / 1.596 GB, free: 12.38 MB / 1.295 GB Notification: Performance of NFVerifyModel.verify: time 0.001151/0.6468, allocations: 0.8162 MB / 1.597 GB, free: 11.55 MB / 1.295 GB Notification: Performance of NFConvertDAE.convert: time 0.006275/0.653, allocations: 2.99 MB / 1.6 GB, free: 8.555 MB / 1.295 GB Notification: Performance of FrontEnd - DAE generated: time 5.601e-06/0.6531, allocations: 0 / 1.6 GB, free: 8.555 MB / 1.295 GB Notification: Performance of FrontEnd: time 1.553e-06/0.6531, allocations: 4 kB / 1.6 GB, free: 8.551 MB / 1.295 GB Notification: Performance of Transformations before backend: time 3.241e-05/0.6531, allocations: 0 / 1.6 GB, free: 8.551 MB / 1.295 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 251 * Number of variables: 251 Notification: Performance of Generate backend data structure: time 0.004042/0.6571, allocations: 1.993 MB / 1.602 GB, free: 6.516 MB / 1.295 GB Notification: Performance of prepare preOptimizeDAE: time 4.626e-05/0.6572, allocations: 8.031 kB / 1.602 GB, free: 6.508 MB / 1.295 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001894/0.6574, allocations: 156.2 kB / 1.602 GB, free: 6.348 MB / 1.295 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002925/0.6603, allocations: 0.5102 MB / 1.602 GB, free: 5.836 MB / 1.295 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002859/0.6631, allocations: 1.121 MB / 1.603 GB, free: 4.668 MB / 1.295 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.468e-05/0.6632, allocations: 81.98 kB / 1.604 GB, free: 4.586 MB / 1.295 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001483/0.6634, allocations: 92 kB / 1.604 GB, free: 4.496 MB / 1.295 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002685/0.6661, allocations: 1.351 MB / 1.605 GB, free: 3.027 MB / 1.295 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.886e-05/0.6661, allocations: 4 kB / 1.605 GB, free: 3.023 MB / 1.295 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001095/0.6662, allocations: 44 kB / 1.605 GB, free: 2.98 MB / 1.295 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.171e-05/0.6663, allocations: 45.92 kB / 1.605 GB, free: 2.934 MB / 1.295 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00241/0.6687, allocations: 1.057 MB / 1.606 GB, free: 1.875 MB / 1.295 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.5758/1.244, allocations: 7.392 MB / 1.613 GB, free: 278.5 MB / 1.295 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001595/1.246, allocations: 0.5204 MB / 1.614 GB, free: 278.5 MB / 1.295 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006226/1.247, allocations: 248.8 kB / 1.614 GB, free: 278.5 MB / 1.295 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003094/1.247, allocations: 58.67 kB / 1.614 GB, free: 278.5 MB / 1.295 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.653e-05/1.247, allocations: 37.98 kB / 1.614 GB, free: 278.4 MB / 1.295 GB Notification: Performance of pre-optimization done (n=33): time 2.304e-06/1.247, allocations: 0 / 1.614 GB, free: 278.4 MB / 1.295 GB Notification: Performance of matching and sorting (n=33): time 0.002489/1.249, allocations: 0.8508 MB / 1.615 GB, free: 278.3 MB / 1.295 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.902e-05/1.25, allocations: 54.81 kB / 1.615 GB, free: 278.3 MB / 1.295 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00216/1.252, allocations: 1.405 MB / 1.616 GB, free: 277.8 MB / 1.295 GB Notification: Performance of collectPreVariables (initialization): time 8.394e-05/1.252, allocations: 33.39 kB / 1.616 GB, free: 277.7 MB / 1.295 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004916/1.252, allocations: 0.7113 MB / 1.617 GB, free: 277.2 MB / 1.295 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001099/1.252, allocations: 130.9 kB / 1.617 GB, free: 277.1 MB / 1.295 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002517/1.253, allocations: 164.3 kB / 1.617 GB, free: 277.1 MB / 1.295 GB Notification: Performance of setup shared object (initialization): time 6.895e-05/1.253, allocations: 333.6 kB / 1.618 GB, free: 276.8 MB / 1.295 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008751/1.254, allocations: 317.7 kB / 1.618 GB, free: 276.7 MB / 1.295 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001044/1.255, allocations: 0.6835 MB / 1.619 GB, free: 276.1 MB / 1.295 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001607/1.256, allocations: 0.9301 MB / 1.62 GB, free: 275.5 MB / 1.295 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.839e-06/1.256, allocations: 4.078 kB / 1.62 GB, free: 275.5 MB / 1.295 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.002396/1.259, allocations: 1.06 MB / 1.621 GB, free: 275.1 MB / 1.295 GB Notification: Performance of prepare postOptimizeDAE: time 2.507e-05/1.259, allocations: 9.969 kB / 1.621 GB, free: 275.1 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.617e-05/1.259, allocations: 13.25 kB / 1.621 GB, free: 275.1 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.057e-05/1.259, allocations: 17.56 kB / 1.621 GB, free: 275.1 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008369/1.26, allocations: 201.5 kB / 1.621 GB, free: 275.1 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.309e-05/1.26, allocations: 27.59 kB / 1.621 GB, free: 275.1 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001396/1.261, allocations: 183.4 kB / 1.621 GB, free: 275 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.514e-05/1.261, allocations: 47.05 kB / 1.621 GB, free: 275 MB / 1.295 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001242/1.262, allocations: 0.561 MB / 1.622 GB, free: 274.8 MB / 1.295 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009412/1.263, allocations: 0.6901 MB / 1.622 GB, free: 274.2 MB / 1.295 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00152/1.265, allocations: 0.9264 MB / 1.623 GB, free: 273.6 MB / 1.295 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.676e-06/1.265, allocations: 5.688 kB / 1.623 GB, free: 273.6 MB / 1.295 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.002714/1.267, allocations: 1.065 MB / 1.624 GB, free: 273.2 MB / 1.295 GB Notification: Performance of prepare postOptimizeDAE: time 2.41e-05/1.267, allocations: 10.03 kB / 1.624 GB, free: 273.2 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.005e-05/1.267, allocations: 12.44 kB / 1.624 GB, free: 273.2 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.662e-05/1.268, allocations: 16.03 kB / 1.624 GB, free: 273.2 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009165/1.268, allocations: 201.4 kB / 1.624 GB, free: 273.1 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.226e-05/1.268, allocations: 30.16 kB / 1.625 GB, free: 273.1 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001372/1.27, allocations: 129.2 kB / 1.625 GB, free: 273.1 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.753e-05/1.27, allocations: 47.08 kB / 1.625 GB, free: 273.1 MB / 1.295 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 52 * 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 (88): * Single equations (assignments): 88 * 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 0.0002592/1.27, allocations: 241.2 kB / 1.625 GB, free: 272.9 MB / 1.295 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002398/1.27, allocations: 146.8 kB / 1.625 GB, free: 272.8 MB / 1.295 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001796/1.272, allocations: 0.6387 MB / 1.626 GB, free: 272.6 MB / 1.295 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.903e-06/1.272, allocations: 3.469 kB / 1.626 GB, free: 272.6 MB / 1.295 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.33e-06/1.272, allocations: 1.109 kB / 1.626 GB, free: 272.6 MB / 1.295 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.42e-06/1.272, allocations: 5.703 kB / 1.626 GB, free: 272.6 MB / 1.295 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003876/1.276, allocations: 1.867 MB / 1.628 GB, free: 271.7 MB / 1.295 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.392e-06/1.276, allocations: 3.25 kB / 1.628 GB, free: 271.7 MB / 1.295 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004965/1.277, allocations: 91.86 kB / 1.628 GB, free: 271.6 MB / 1.295 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.368e-06/1.277, allocations: 9.641 kB / 1.628 GB, free: 271.6 MB / 1.295 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.526e-05/1.277, allocations: 12.7 kB / 1.628 GB, free: 271.6 MB / 1.295 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.588e-06/1.277, allocations: 11.2 kB / 1.628 GB, free: 271.6 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.566e-06/1.277, allocations: 2.969 kB / 1.628 GB, free: 271.6 MB / 1.295 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001545/1.278, allocations: 0.8098 MB / 1.628 GB, free: 271.2 MB / 1.295 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005759/1.279, allocations: 229 kB / 1.629 GB, free: 271 MB / 1.295 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001947/1.279, allocations: 11.47 kB / 1.629 GB, free: 271 MB / 1.295 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009853/1.28, allocations: 67.05 kB / 1.629 GB, free: 271 MB / 1.295 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.617e-05/1.28, allocations: 39.08 kB / 1.629 GB, free: 271 MB / 1.295 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.787e-05/1.28, allocations: 24.7 kB / 1.629 GB, free: 271 MB / 1.295 GB Notification: Performance of sorting global known variables: time 0.001513/1.282, allocations: 1.011 MB / 1.63 GB, free: 270.6 MB / 1.295 GB Notification: Performance of sort global known variables: time 1e-07/1.282, allocations: 4 kB / 1.63 GB, free: 270.6 MB / 1.295 GB Notification: Performance of remove unused functions: time 0.001936/1.284, allocations: 0.5762 MB / 1.63 GB, free: 270.6 MB / 1.295 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 16 * 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 (32): * Single equations (assignments): 32 * 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 0.002096/1.286, allocations: 1.506 MB / 1.632 GB, free: 269.5 MB / 1.295 GB Notification: Performance of simCode: created initialization part: time 0.002855/1.289, allocations: 1.093 MB / 1.633 GB, free: 269.2 MB / 1.295 GB Notification: Performance of simCode: created event and clocks part: time 6.402e-06/1.289, allocations: 2 kB / 1.633 GB, free: 269.2 MB / 1.295 GB Notification: Performance of simCode: created simulation system equations: time 0.0006743/1.289, allocations: 251.3 kB / 1.633 GB, free: 269.2 MB / 1.295 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003462/1.293, allocations: 0.7463 MB / 1.634 GB, free: 269 MB / 1.295 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0159/1.309, allocations: 9.868 MB / 1.643 GB, free: 263.8 MB / 1.295 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006769/1.309, allocations: 1.188 MB / 1.645 GB, free: 263.1 MB / 1.295 GB Notification: Performance of simCode: alias equations: time 0.001477/1.311, allocations: 388.9 kB / 1.645 GB, free: 263 MB / 1.295 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005373/1.311, allocations: 498.5 kB / 1.645 GB, free: 262.6 MB / 1.295 GB Notification: Performance of SimCode: time 8.72e-07/1.311, allocations: 0 / 1.645 GB, free: 262.6 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0645/1.376, allocations: 36.38 MB / 1.681 GB, free: 231.1 MB / 1.295 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.82/14.19, allocations: 1.719 kB / 1.681 GB, free: 231.1 MB / 1.295 GB " [Timeout remaining time 286] (rm -f Buildings_12_Buildings.Fluid.Examples.Performance.Example4.pipe ; mkfifo Buildings_12_Buildings.Fluid.Examples.Performance.Example4.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Examples.Performance.Example4.pipe >> ../files/Buildings_12_Buildings.Fluid.Examples.Performance.Example4.sim & python3 -m fmpy simulate --output-file Buildings_12_Buildings.Fluid.Examples.Performance.Example4_res.csv --start-time 0 --stop-time 20 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.008 Buildings_12_Buildings_Fluid_Examples_Performance_Example4.fmu > Buildings_12_Buildings.Fluid.Examples.Performance.Example4.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_12_Buildings.Fluid.Examples.Performance.Example4_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Examples_Performance_Example4.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Examples.Performance.Example4.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "Error: Could not read variable res.m_flow in file Buildings_12_Buildings.Fluid.Examples.Performance.Example4_res.csv. Warning: Get data of variable res.m_flow from file Buildings_12_Buildings.Fluid.Examples.Performance.Example4_res.csv failed! " [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 20.574121349000052]