Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.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 0.002065/0.002065, allocations: 99.64 kB / 18.94 MB, free: 2.551 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 0.003233/0.003233, allocations: 214 kB / 22.25 MB, free: 4.855 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 1.804/1.804, allocations: 230.6 MB / 256 MB, free: 7.793 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.2.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.2.0/package.mo): time 1.047/1.047, allocations: 94.62 MB / 407.1 MB, free: 8.871 MB / 318.1 MB " [Timeout remaining time 179] Using package ThermofluidStream with version 1.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream 1.2.0/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(ThermofluidStream.FlowControl.Tests.BasicControlValve,fileNamePrefix="ThermofluidStream_ThermofluidStream_FlowControl_Tests_BasicControlValve",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ThermofluidStream.FlowControl.Tests.BasicControlValve,fileNamePrefix="ThermofluidStream_ThermofluidStream_FlowControl_Tests_BasicControlValve",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: ThermofluidStream 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: ThermofluidStream requested package Complex of version 4.0.0. Complex 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002735/0.002735, allocations: 82.08 kB / 0.5549 GB, free: 38.52 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2399/0.2426, allocations: 73.06 MB / 0.6263 GB, free: 176 kB / 462.1 MB Notification: Performance of NFInst.instantiate(ThermofluidStream.FlowControl.Tests.BasicControlValve): time 0.06927/0.3119, allocations: 49.09 MB / 0.6742 GB, free: 14.91 MB / 0.5137 GB Notification: Performance of NFInst.instExpressions: time 0.03368/0.3455, allocations: 19.73 MB / 0.6935 GB, free: 11.12 MB / 0.5294 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003588/0.3491, allocations: 103.1 kB / 0.6936 GB, free: 11.02 MB / 0.5294 GB Notification: Performance of NFTyping.typeComponents: time 0.004124/0.3532, allocations: 0.7836 MB / 0.6944 GB, free: 10.23 MB / 0.5294 GB Notification: Performance of NFTyping.typeBindings: time 0.008097/0.3613, allocations: 1.712 MB / 0.696 GB, free: 8.504 MB / 0.5294 GB Notification: Performance of NFTyping.typeClassSections: time 0.00572/0.3671, allocations: 1.335 MB / 0.6973 GB, free: 7.164 MB / 0.5294 GB Notification: Performance of NFFlatten.flatten: time 0.005563/0.3726, allocations: 2.579 MB / 0.6999 GB, free: 4.574 MB / 0.5294 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001029/0.3737, allocations: 302.8 kB / 0.7001 GB, free: 4.25 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003446/0.3771, allocations: 1.109 MB / 0.7012 GB, free: 3.137 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002243/0.3793, allocations: 0.878 MB / 0.7021 GB, free: 2.254 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.0003966/0.3797, allocations: 132 kB / 0.7022 GB, free: 2.125 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004979/0.3847, allocations: 1.135 MB / 0.7033 GB, free: 0.9883 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.00052/0.3852, allocations: 342.3 kB / 0.7036 GB, free: 0.6523 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.001321/0.3866, allocations: 0.7304 MB / 0.7044 GB, free: 15.91 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.008336/0.3949, allocations: 2.665 MB / 0.707 GB, free: 13.24 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 5.15e-06/0.3949, allocations: 0 / 0.707 GB, free: 13.24 MB / 0.545 GB Notification: Performance of FrontEnd: time 2.535e-06/0.3949, allocations: 0 / 0.707 GB, free: 13.24 MB / 0.545 GB Notification: Performance of Transformations before backend: time 4.791e-05/0.395, allocations: 0 / 0.707 GB, free: 13.24 MB / 0.545 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 290 * Number of variables: 290 Notification: Performance of Generate backend data structure: time 0.006357/0.4013, allocations: 2.353 MB / 0.7093 GB, free: 10.84 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 7.437e-05/0.4014, allocations: 8.031 kB / 0.7093 GB, free: 10.84 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002716/0.4017, allocations: 165.2 kB / 0.7094 GB, free: 10.66 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008886/0.4025, allocations: 258.5 kB / 0.7097 GB, free: 10.41 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003136/0.4057, allocations: 1.176 MB / 0.7108 GB, free: 9.188 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.57e-05/0.4058, allocations: 86.28 kB / 0.7109 GB, free: 9.102 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002078/0.406, allocations: 120 kB / 0.711 GB, free: 8.984 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002358/0.4083, allocations: 1.278 MB / 0.7123 GB, free: 7.645 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.059e-05/0.4084, allocations: 3.938 kB / 0.7123 GB, free: 7.641 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.265e-05/0.4085, allocations: 48 kB / 0.7123 GB, free: 7.594 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.653e-05/0.4085, allocations: 32 kB / 0.7123 GB, free: 7.562 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002192/0.4107, allocations: 1.145 MB / 0.7135 GB, free: 6.41 MB / 0.545 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.007307/0.418, allocations: 3.136 MB / 0.7165 GB, free: 3.203 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001695/0.4197, allocations: 0.865 MB / 0.7174 GB, free: 2.32 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007825/0.4205, allocations: 422.2 kB / 0.7178 GB, free: 1.91 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.004428/0.4249, allocations: 1.55 MB / 0.7193 GB, free: 344 kB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.145e-05/0.4249, allocations: 43.56 kB / 0.7193 GB, free: 292 kB / 0.545 GB Notification: Performance of pre-optimization done (n=103): time 3.256e-06/0.4249, allocations: 0 / 0.7193 GB, free: 292 kB / 0.545 GB Notification: Performance of matching and sorting (n=103): time 0.003892/0.4288, allocations: 1.462 MB / 0.7207 GB, free: 14.8 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.704e-05/0.4289, allocations: 64.41 kB / 0.7208 GB, free: 14.73 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002058/0.431, allocations: 1.28 MB / 0.7221 GB, free: 13.45 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 7.445e-05/0.431, allocations: 45.7 kB / 0.7221 GB, free: 13.39 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008055/0.4318, allocations: 0.766 MB / 0.7229 GB, free: 12.62 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004095/0.4322, allocations: 368.8 kB / 0.7232 GB, free: 12.26 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003075/0.4326, allocations: 166.6 kB / 0.7234 GB, free: 12.09 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0002182/0.4328, allocations: 349.9 kB / 0.7237 GB, free: 11.74 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005914/0.4334, allocations: 289.9 kB / 0.724 GB, free: 11.46 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008315/0.4342, allocations: 0.5094 MB / 0.7245 GB, free: 10.88 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001429/0.4356, allocations: 0.7645 MB / 0.7252 GB, free: 10.08 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.3e-06/0.4356, allocations: 4 kB / 0.7252 GB, free: 10.07 MB / 0.5606 GB Notification: Performance of matching and sorting (n=118) (initialization): time 0.002468/0.4381, allocations: 1.143 MB / 0.7263 GB, free: 8.914 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 2.8e-05/0.4381, allocations: 4.375 kB / 0.7263 GB, free: 8.91 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.462e-05/0.4381, allocations: 8 kB / 0.7263 GB, free: 8.902 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000708/0.4388, allocations: 154.5 kB / 0.7265 GB, free: 8.742 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007542/0.4396, allocations: 199.7 kB / 0.7267 GB, free: 8.547 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005328/0.4449, allocations: 4.473 MB / 0.7311 GB, free: 3.73 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001344/0.4463, allocations: 95.28 kB / 0.7311 GB, free: 3.637 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001455/0.4464, allocations: 43.98 kB / 0.7312 GB, free: 3.594 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * 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 (106): * Single equations (assignments): 103 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(1,4,100.0%), (1,4,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000738/0.4472, allocations: 261.8 kB / 0.7314 GB, free: 3.328 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004594/0.4476, allocations: 178.8 kB / 0.7316 GB, free: 3.152 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003115/0.4507, allocations: 1.579 MB / 0.7332 GB, free: 1.547 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.27e-05/0.4507, allocations: 12 kB / 0.7332 GB, free: 1.535 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.462e-05/0.4508, allocations: 7.938 kB / 0.7332 GB, free: 1.527 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.256e-05/0.4508, allocations: 7.984 kB / 0.7332 GB, free: 1.52 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005218/0.456, allocations: 2.32 MB / 0.7354 GB, free: 15.11 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.34e-06/0.456, allocations: 0 / 0.7354 GB, free: 15.11 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005725/0.4566, allocations: 151.8 kB / 0.7356 GB, free: 14.96 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006727/0.4572, allocations: 174.4 kB / 0.7358 GB, free: 14.78 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.048e-05/0.4573, allocations: 35.81 kB / 0.7358 GB, free: 14.75 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005172/0.4625, allocations: 4.488 MB / 0.7402 GB, free: 9.918 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.312e-06/0.4625, allocations: 3.938 kB / 0.7402 GB, free: 9.914 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004107/0.4666, allocations: 1.572 MB / 0.7417 GB, free: 8.297 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009747/0.4676, allocations: 258.7 kB / 0.742 GB, free: 8.043 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002033/0.4678, allocations: 31.92 kB / 0.742 GB, free: 8.012 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006009/0.4684, allocations: 23.98 kB / 0.742 GB, free: 7.988 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002357/0.4686, allocations: 88.72 kB / 0.7421 GB, free: 7.902 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.728e-05/0.4687, allocations: 35.98 kB / 0.7421 GB, free: 7.867 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001591/0.4703, allocations: 0.9054 MB / 0.743 GB, free: 6.969 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1e-07/0.4703, allocations: 0 / 0.743 GB, free: 6.969 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.002061/0.4724, allocations: 0.5379 MB / 0.7435 GB, free: 6.43 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 3 (flowResistance6.inlet.m_flow,flowResistance2.inlet.m_flow,flowResistance4.inlet.m_flow) * 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 (86): * Single equations (assignments): 83 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(1,4,100.0%), (1,4,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.004865/0.4772, allocations: 2.668 MB / 0.7461 GB, free: 3.715 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.002861/0.4801, allocations: 1.114 MB / 0.7472 GB, free: 2.559 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 9.618e-06/0.4801, allocations: 4.062 kB / 0.7472 GB, free: 2.555 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.001353/0.4814, allocations: 0.767 MB / 0.748 GB, free: 1.754 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002911/0.4844, allocations: 0.5411 MB / 0.7485 GB, free: 1.238 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.5706/1.055, allocations: 10.58 MB / 0.7588 GB, free: 115.1 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002052/1.057, allocations: 0.6746 MB / 0.7595 GB, free: 115 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.00189/1.059, allocations: 273.5 kB / 0.7598 GB, free: 114.9 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001244/1.06, allocations: 0.6894 MB / 0.7604 GB, free: 114.4 MB / 0.5762 GB Notification: Performance of SimCode: time 2.775e-06/1.06, allocations: 0.5 kB / 0.7604 GB, free: 114.4 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.118/1.178, allocations: 47.13 MB / 0.8065 GB, free: 76.59 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.26/17.43, allocations: 6.25 kB / 0.8065 GB, free: 76.59 MB / 0.5762 GB " [Timeout remaining time 642] (rm -f ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.pipe ; mkfifo ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.pipe ; head -c 1048576 < ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.pipe >> ../files/ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.sim & python3 -m fmpy simulate --output-file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv --start-time 0 --stop-time 20 --timeout 1200 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.02 ThermofluidStream_ThermofluidStream_FlowControl_Tests_BasicControlValve.fmu > ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.pipe 2>&1) [Timeout 1260.0] diffSimulationResults("ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv","/mnt/ReferenceFiles/ThermofluidStream-main-regression/ReferenceData/ThermofluidStream.FlowControl.Tests.BasicControlValve_ref.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable Time in file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv. Warning: Get data of variable Time from file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv failed! Error: Could not read variable source.outlet.m_flow in file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv. Warning: Get data of variable source.outlet.m_flow from file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv failed! Error: Could not read variable source1.outlet.m_flow in file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv. Warning: Get data of variable source1.outlet.m_flow from file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv failed! Error: Could not read variable source2.outlet.m_flow in file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv. Warning: Get data of variable source2.outlet.m_flow from file ThermofluidStream_ThermofluidStream.FlowControl.Tests.BasicControlValve_res.csv failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 22.44227790692821]