Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce.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 0.001878/0.001878, allocations: 121 kB / 20.33 MB, free: 1.566 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 0.002056/0.002056, allocations: 204.2 kB / 23.6 MB, free: 4.953 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 1.404/1.404, allocations: 230.5 MB / 257.3 MB, free: 8.055 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 0.2128/0.2128, allocations: 44.92 MB / 358.6 MB, free: 6.344 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.MultiBody.Forces.EngineGasForce,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Forces_EngineGasForce",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.EngineGasForce,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_MultiBody_Forces_EngineGasForce",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 0.002028/0.002028, allocations: 72.17 kB / 0.4927 GB, free: 10.85 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3406/0.3426, allocations: 65.47 MB / 0.5567 GB, free: 7.508 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.EngineGasForce): time 0.003623/0.3463, allocations: 2.08 MB / 0.5587 GB, free: 5.73 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.001148/0.3474, allocations: 0.6127 MB / 0.5593 GB, free: 5.113 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001011/0.3475, allocations: 4 kB / 0.5593 GB, free: 5.109 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0001298/0.3476, allocations: 15.8 kB / 0.5593 GB, free: 5.094 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0001134/0.3478, allocations: 39.64 kB / 0.5593 GB, free: 5.055 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0004382/0.3482, allocations: 87.81 kB / 0.5594 GB, free: 4.969 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.0002418/0.3484, allocations: 183.3 kB / 0.5596 GB, free: 4.789 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001384/0.3486, allocations: 39.55 kB / 0.5596 GB, free: 4.746 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0001857/0.3488, allocations: 83.7 kB / 0.5597 GB, free: 4.664 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001699/0.3489, allocations: 83.66 kB / 0.5598 GB, free: 4.582 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 4.305e-05/0.349, allocations: 16 kB / 0.5598 GB, free: 4.566 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 5.827e-05/0.349, allocations: 16 kB / 0.5598 GB, free: 4.551 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 4.078e-05/0.3491, allocations: 35.84 kB / 0.5599 GB, free: 4.516 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 8.928e-05/0.3492, allocations: 79.66 kB / 0.5599 GB, free: 4.438 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0002695/0.3494, allocations: 183.3 kB / 0.5601 GB, free: 4.258 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.529e-06/0.3494, allocations: 0 / 0.5601 GB, free: 4.258 MB / 398.1 MB Notification: Performance of FrontEnd: time 1.593e-06/0.3494, allocations: 3.938 kB / 0.5601 GB, free: 4.254 MB / 398.1 MB Notification: Performance of Transformations before backend: time 1.105e-05/0.3494, allocations: 4 kB / 0.5601 GB, free: 4.25 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: 28 * Number of variables: 28 Notification: Performance of Generate backend data structure: time 0.0008146/0.3503, allocations: 384.2 kB / 0.5605 GB, free: 3.844 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.106e-05/0.3503, allocations: 12.03 kB / 0.5605 GB, free: 3.832 MB / 398.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.534e-05/0.3504, allocations: 42.75 kB / 0.5605 GB, free: 3.781 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001497/0.3505, allocations: 24.83 kB / 0.5606 GB, free: 3.758 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000273/0.3508, allocations: 168.5 kB / 0.5607 GB, free: 3.57 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.437e-05/0.3508, allocations: 8.609 kB / 0.5607 GB, free: 3.562 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.138e-05/0.3508, allocations: 15.94 kB / 0.5607 GB, free: 3.547 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000377/0.3512, allocations: 213.2 kB / 0.5609 GB, free: 3.312 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.524e-05/0.3512, allocations: 3.953 kB / 0.561 GB, free: 3.309 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.233e-05/0.3513, allocations: 8 kB / 0.561 GB, free: 3.301 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.905e-06/0.3513, allocations: 7.938 kB / 0.561 GB, free: 3.293 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002959/0.3516, allocations: 107.9 kB / 0.5611 GB, free: 3.188 MB / 398.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009319/0.3525, allocations: 0.6482 MB / 0.5617 GB, free: 2.484 MB / 398.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0003588/0.3528, allocations: 130.6 kB / 0.5618 GB, free: 2.348 MB / 398.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001542/0.353, allocations: 60.77 kB / 0.5619 GB, free: 2.285 MB / 398.1 MB Notification: Performance of preOpt evalFunc (simulation): time 2.66e-05/0.353, allocations: 0 / 0.5619 GB, free: 2.285 MB / 398.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.715e-05/0.3531, allocations: 34.56 kB / 0.5619 GB, free: 2.242 MB / 398.1 MB Notification: Performance of pre-optimization done (n=13): time 1.222e-06/0.3531, allocations: 4 kB / 0.5619 GB, free: 2.238 MB / 398.1 MB Notification: Performance of matching and sorting (n=19): time 0.001349/0.3544, allocations: 408.9 kB / 0.5623 GB, free: 1.836 MB / 398.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.789e-05/0.3545, allocations: 59.41 kB / 0.5624 GB, free: 1.766 MB / 398.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001475/0.3546, allocations: 154.2 kB / 0.5625 GB, free: 1.605 MB / 398.1 MB Notification: Performance of collectPreVariables (initialization): time 2.515e-05/0.3546, allocations: 25.7 kB / 0.5625 GB, free: 1.574 MB / 398.1 MB Notification: Performance of collectInitialEqns (initialization): time 9.187e-05/0.3547, allocations: 124.4 kB / 0.5627 GB, free: 1.449 MB / 398.1 MB Notification: Performance of collectInitialBindings (initialization): time 5.701e-05/0.3548, allocations: 71.41 kB / 0.5627 GB, free: 1.379 MB / 398.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 7.474e-05/0.3548, allocations: 37.7 kB / 0.5628 GB, free: 1.336 MB / 398.1 MB Notification: Performance of setup shared object (initialization): time 0.0001511/0.355, allocations: 322.8 kB / 0.5631 GB, free: 1.012 MB / 398.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001909/0.3552, allocations: 67.95 kB / 0.5631 GB, free: 0.9453 MB / 398.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002126/0.3554, allocations: 99.34 kB / 0.5632 GB, free: 0.8359 MB / 398.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004021/0.3558, allocations: 180.6 kB / 0.5634 GB, free: 0.6484 MB / 398.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.182e-06/0.3558, allocations: 0 / 0.5634 GB, free: 0.6484 MB / 398.1 MB Notification: Performance of matching and sorting (n=22) (initialization): time 0.0004918/0.3563, allocations: 221.3 kB / 0.5636 GB, free: 436 kB / 398.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.505e-05/0.3563, allocations: 4 kB / 0.5636 GB, free: 432 kB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.159e-06/0.3563, allocations: 96 / 0.5636 GB, free: 432 kB / 398.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.464e-05/0.3563, allocations: 8 kB / 0.5636 GB, free: 424 kB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003208/0.3567, allocations: 51.89 kB / 0.5637 GB, free: 372 kB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.284e-06/0.3567, allocations: 4 kB / 0.5637 GB, free: 368 kB / 398.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001568/0.3568, allocations: 11.98 kB / 0.5637 GB, free: 356 kB / 398.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.757e-05/0.3568, allocations: 8 kB / 0.5637 GB, free: 348 kB / 398.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * 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 (22): * Single equations (assignments): 22 * 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 0.0001284/0.357, allocations: 129.8 kB / 0.5638 GB, free: 208 kB / 398.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.391e-05/0.357, allocations: 11.91 kB / 0.5638 GB, free: 196 kB / 398.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.321e-05/0.3571, allocations: 29.11 kB / 0.5639 GB, free: 164 kB / 398.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.941e-06/0.3571, allocations: 7.938 kB / 0.5639 GB, free: 156 kB / 398.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.212e-06/0.3571, allocations: 4 kB / 0.5639 GB, free: 152 kB / 398.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.396e-06/0.3571, allocations: 0 / 0.5639 GB, free: 152 kB / 398.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001039/0.3581, allocations: 0.5829 MB / 0.5644 GB, free: 15.51 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.794e-06/0.3581, allocations: 4 kB / 0.5644 GB, free: 15.51 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002513/0.3584, allocations: 43.95 kB / 0.5645 GB, free: 15.46 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 3.176e-06/0.3584, allocations: 0 / 0.5645 GB, free: 15.46 MB / 414.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.718e-05/0.3584, allocations: 4 kB / 0.5645 GB, free: 15.46 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.827e-06/0.3584, allocations: 7.938 kB / 0.5645 GB, free: 15.45 MB / 414.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.122e-06/0.3584, allocations: 0 / 0.5645 GB, free: 15.45 MB / 414.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005314/0.3589, allocations: 307.2 kB / 0.5648 GB, free: 15.14 MB / 414.1 MB Notification: Performance of postOpt removeConstants (simulation): time 6.623e-05/0.359, allocations: 19.89 kB / 0.5648 GB, free: 15.12 MB / 414.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.326e-05/0.359, allocations: 11.98 kB / 0.5648 GB, free: 15.11 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002037/0.3592, allocations: 15.98 kB / 0.5648 GB, free: 15.09 MB / 414.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.865e-05/0.3593, allocations: 7.984 kB / 0.5648 GB, free: 15.08 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.987e-05/0.3593, allocations: 11.98 kB / 0.5649 GB, free: 15.07 MB / 414.1 MB Notification: Performance of sorting global known variables: time 9.502e-05/0.3594, allocations: 116.1 kB / 0.565 GB, free: 14.96 MB / 414.1 MB Notification: Performance of sort global known variables: time 1.1e-07/0.3594, allocations: 4 kB / 0.565 GB, free: 14.95 MB / 414.1 MB Notification: Performance of remove unused functions: time 0.000275/0.3597, allocations: 40 kB / 0.565 GB, free: 14.91 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 (19): * Single equations (assignments): 19 * 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 0.0008558/0.3605, allocations: 0.8399 MB / 0.5658 GB, free: 14.05 MB / 414.1 MB Notification: Performance of simCode: created initialization part: time 0.0004546/0.361, allocations: 159.8 kB / 0.566 GB, free: 13.89 MB / 414.1 MB Notification: Performance of simCode: created event and clocks part: time 1.924e-06/0.361, allocations: 0 / 0.566 GB, free: 13.89 MB / 414.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0002117/0.3612, allocations: 79.89 kB / 0.5661 GB, free: 13.82 MB / 414.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003391/0.3615, allocations: 24.17 kB / 0.5661 GB, free: 13.79 MB / 414.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002888/0.3644, allocations: 2.042 MB / 0.5681 GB, free: 11.66 MB / 414.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001084/0.3645, allocations: 104 kB / 0.5682 GB, free: 11.53 MB / 414.1 MB Notification: Performance of simCode: alias equations: time 0.0001507/0.3647, allocations: 29.41 kB / 0.5682 GB, free: 11.5 MB / 414.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001227/0.3648, allocations: 47.42 kB / 0.5682 GB, free: 11.46 MB / 414.1 MB Notification: Performance of SimCode: time 8.01e-07/0.3648, allocations: 0 / 0.5682 GB, free: 11.46 MB / 414.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.445/2.81, allocations: 3.924 MB / 0.5721 GB, free: 7.672 MB / 414.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 13.4/16.21, allocations: 12.62 kB / 0.5721 GB, free: 7.668 MB / 414.1 MB " [Timeout remaining time 644] (rm -f ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce.sim & python3 -m fmpy simulate --output-file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.000199601 ModelicaTest_4_0_0_ModelicaTest_MultiBody_Forces_EngineGasForce.fmu > ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce.pipe 2>&1) [Timeout 52.5] diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/MultiBody/Forces/EngineGasForce/EngineGasForce.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable gasForce.dens in file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv. Warning: Get data of variable gasForce.dens from file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv failed! Error: Could not read variable gasForce.f in file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv. Warning: Get data of variable gasForce.f from file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv failed! Error: Could not read variable gasForce.T in file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv. Warning: Get data of variable gasForce.T from file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv failed! Error: Could not read variable gasForce.V in file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv. Warning: Get data of variable gasForce.V from file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv failed! Error: Could not read variable gasForce.v_rel in file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv. Warning: Get data of variable gasForce.v_rel from file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv failed! Error: Could not read variable gasForce.press in file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv. Warning: Get data of variable gasForce.press from file ModelicaTest_4.0.0_ModelicaTest.MultiBody.Forces.EngineGasForce_res.csv failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 19.25344336265698]