Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SMArtInt main/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SMArtInt main/package.mo): time 0.01766/0.01766, allocations: 1.796 MB / 21.15 MB, free: 3.246 MB / 18.57 MB " [Timeout remaining time 180] 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 0.001822/0.001822, allocations: 80.55 kB / 24.88 MB, free: 6.285 MB / 18.57 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 0.00195/0.00195, allocations: 170.2 kB / 28.74 MB, free: 3.496 MB / 18.57 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 1.507/1.507, allocations: 177.2 MB / 209.6 MB, free: 2.406 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ClaRa 1.9.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ClaRa 1.9.0/package.mo): time 1.163/1.163, allocations: 102.5 MB / 369.1 MB, free: 0.9023 MB / 330.8 MB " [Timeout remaining time 179] Using package ClaRa with version 1.9.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ClaRa 1.9.0/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) Using package SMArtInt with version 1.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SMArtInt main/package.mo) Running command: translateModel(ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="Time|turbinesAndReheat.energyStorage_HP_turbine.y|turbinesAndReheat.energyStroage_RH_IPLP_turbine.y|turbinesAndReheat_00_XRG.energyStorage_HP_turbine.y|turbinesAndReheat_00_XRG.energyStroage_RH_IPLP_turbine.y|turbinesAndReheat_02_XRG.energyStorage_HP_turbine.y|turbinesAndReheat_02_XRG.energyStroage_RH_IPLP_turbine.y",fileNamePrefix="ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater") translateModel(ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="Time|turbinesAndReheat.energyStorage_HP_turbine.y|turbinesAndReheat.energyStroage_RH_IPLP_turbine.y|turbinesAndReheat_00_XRG.energyStorage_HP_turbine.y|turbinesAndReheat_00_XRG.energyStroage_RH_IPLP_turbine.y|turbinesAndReheat_02_XRG.energyStorage_HP_turbine.y|turbinesAndReheat_02_XRG.energyStroage_RH_IPLP_turbine.y",fileNamePrefix="ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater") [Timeout 800] "Notification: Performance of FrontEnd - loaded program: time 1.903e-06/1.903e-06, allocations: 0 / 469.1 MB, free: 13.04 MB / 442.8 MB Notification: Performance of FrontEnd - Absyn->SCode: time 3.249e-05/3.439e-05, allocations: 3.859 kB / 469.1 MB, free: 13.03 MB / 442.8 MB Notification: TILMedia 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: Automatically loaded package TILMedia 1.9.0 ClaRa due to usage. Notification: Performance of NFInst.instantiate(ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater): time 0.1813/0.1814, allocations: 52.53 MB / 0.5094 GB, free: 8.473 MB / 490.8 MB Notification: Performance of NFInst.instExpressions: time 0.01132/0.1927, allocations: 7.212 MB / 0.5165 GB, free: 1.234 MB / 490.8 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005326/0.1932, allocations: 19.88 kB / 0.5165 GB, free: 1.215 MB / 490.8 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ClaRa 1.9.0/SimCenter.mo:71:5-72:35:writable] Warning: Connector cycleSumPort is not balanced: The number of potential variables (0) is not equal to the number of flow variables (4). Notification: Performance of NFTyping.typeComponents: time 0.001692/0.1949, allocations: 0.5126 MB / 0.517 GB, free: 0.6992 MB / 490.8 MB Notification: Performance of NFTyping.typeBindings: time 0.0009455/0.1959, allocations: 433.5 kB / 0.5174 GB, free: 280 kB / 490.8 MB Notification: Performance of NFTyping.typeClassSections: time 0.221/0.4169, allocations: 0.642 MB / 0.518 GB, free: 73.18 MB / 490.8 MB Notification: Performance of NFFlatten.flatten: time 0.001502/0.4184, allocations: 1.01 MB / 0.519 GB, free: 73.05 MB / 490.8 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0004383/0.4188, allocations: 201.4 kB / 0.5192 GB, free: 73.01 MB / 490.8 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0006138/0.4195, allocations: 0.5053 MB / 0.5197 GB, free: 72.95 MB / 490.8 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0005403/0.42, allocations: 423.5 kB / 0.5201 GB, free: 72.9 MB / 490.8 MB Notification: Performance of NFPackage.collectConstants: time 0.0001657/0.4202, allocations: 102.9 kB / 0.5202 GB, free: 72.9 MB / 490.8 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0009595/0.4211, allocations: 432.8 kB / 0.5206 GB, free: 72.88 MB / 490.8 MB Notification: Performance of NFScalarize.scalarize: time 0.0004055/0.4215, allocations: 0.4942 MB / 0.5211 GB, free: 72.8 MB / 490.8 MB Notification: Performance of NFVerifyModel.verify: time 0.0003848/0.4219, allocations: 364.1 kB / 0.5215 GB, free: 72.73 MB / 490.8 MB Notification: Performance of NFConvertDAE.convert: time 0.001974/0.4239, allocations: 1.948 MB / 0.5234 GB, free: 72.54 MB / 490.8 MB Notification: Performance of FrontEnd - DAE generated: time 5.63e-06/0.4239, allocations: 3.328 kB / 0.5234 GB, free: 72.54 MB / 490.8 MB Notification: Performance of FrontEnd: time 1.733e-06/0.4239, allocations: 1 kB / 0.5234 GB, free: 72.54 MB / 490.8 MB Notification: Performance of Transformations before backend: time 2.144e-05/0.4239, allocations: 0 / 0.5234 GB, free: 72.54 MB / 490.8 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 94 * Number of variables: 94 Notification: Performance of Generate backend data structure: time 0.003289/0.4272, allocations: 2.315 MB / 0.5256 GB, free: 71.36 MB / 490.8 MB Notification: Performance of prepare preOptimizeDAE: time 4.959e-05/0.4273, allocations: 10.91 kB / 0.5256 GB, free: 71.36 MB / 490.8 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005105/0.4278, allocations: 235.2 kB / 0.5259 GB, free: 71.26 MB / 490.8 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003008/0.4308, allocations: 1.809 MB / 0.5276 GB, free: 70.79 MB / 490.8 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.408e-05/0.4308, allocations: 30.69 kB / 0.5277 GB, free: 70.79 MB / 490.8 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.944e-05/0.4309, allocations: 40.22 kB / 0.5277 GB, free: 70.79 MB / 490.8 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009598/0.4318, allocations: 0.58 MB / 0.5283 GB, free: 70.54 MB / 490.8 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.644e-05/0.4318, allocations: 192 / 0.5283 GB, free: 70.54 MB / 490.8 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.815e-05/0.4319, allocations: 17.38 kB / 0.5283 GB, free: 70.54 MB / 490.8 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.205e-05/0.4319, allocations: 14.34 kB / 0.5283 GB, free: 70.53 MB / 490.8 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000798/0.4327, allocations: 336.2 kB / 0.5286 GB, free: 70.53 MB / 490.8 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003089/0.4358, allocations: 2.628 MB / 0.5312 GB, free: 69.27 MB / 490.8 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0007465/0.4365, allocations: 362.3 kB / 0.5315 GB, free: 69.17 MB / 490.8 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002671/0.4368, allocations: 138.9 kB / 0.5317 GB, free: 69.13 MB / 490.8 MB Notification: Performance of preOpt evalFunc (simulation): time 8.433e-05/0.4369, allocations: 29.27 kB / 0.5317 GB, free: 69.13 MB / 490.8 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.025e-05/0.4369, allocations: 39.81 kB / 0.5317 GB, free: 69.09 MB / 490.8 MB Notification: Performance of pre-optimization done (n=34): time 2.314e-06/0.4369, allocations: 0.5 kB / 0.5317 GB, free: 69.09 MB / 490.8 MB Notification: Performance of matching and sorting (n=34): time 0.001653/0.4386, allocations: 0.608 MB / 0.5323 GB, free: 68.86 MB / 490.8 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.027e-05/0.4386, allocations: 186.8 kB / 0.5325 GB, free: 68.64 MB / 490.8 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002299/0.4409, allocations: 2.058 MB / 0.5345 GB, free: 67.75 MB / 490.8 MB Notification: Performance of collectPreVariables (initialization): time 3.485e-05/0.4409, allocations: 29.7 kB / 0.5345 GB, free: 67.72 MB / 490.8 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005977/0.4415, allocations: 0.8664 MB / 0.5354 GB, free: 67.06 MB / 490.8 MB Notification: Performance of collectInitialBindings (initialization): time 9.66e-05/0.4416, allocations: 134 kB / 0.5355 GB, free: 66.96 MB / 490.8 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001678/0.4418, allocations: 129.6 kB / 0.5356 GB, free: 66.88 MB / 490.8 MB Notification: Performance of setup shared object (initialization): time 8.907e-05/0.4419, allocations: 0.501 MB / 0.5361 GB, free: 66.39 MB / 490.8 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003012/0.4422, allocations: 128 kB / 0.5362 GB, free: 66.35 MB / 490.8 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003803/0.4426, allocations: 401.9 kB / 0.5366 GB, free: 65.99 MB / 490.8 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006516/0.4432, allocations: 441.4 kB / 0.537 GB, free: 65.7 MB / 490.8 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.268e-06/0.4432, allocations: 1 kB / 0.537 GB, free: 65.7 MB / 490.8 MB Notification: Performance of matching and sorting (n=56) (initialization): time 0.001132/0.4444, allocations: 0.5828 MB / 0.5376 GB, free: 65.47 MB / 490.8 MB Notification: Performance of prepare postOptimizeDAE: time 2.241e-05/0.4444, allocations: 6.625 kB / 0.5376 GB, free: 65.47 MB / 490.8 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.061e-05/0.4444, allocations: 5.719 kB / 0.5376 GB, free: 65.47 MB / 490.8 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.375e-05/0.4444, allocations: 10.22 kB / 0.5376 GB, free: 65.47 MB / 490.8 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004024/0.4448, allocations: 103 kB / 0.5377 GB, free: 65.46 MB / 490.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.142e-05/0.4448, allocations: 6.719 kB / 0.5377 GB, free: 65.46 MB / 490.8 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004538/0.4453, allocations: 55.61 kB / 0.5378 GB, free: 65.43 MB / 490.8 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.263e-05/0.4453, allocations: 22.12 kB / 0.5378 GB, free: 65.43 MB / 490.8 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * 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 (56): * Single equations (assignments): 56 * 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 0.0003586/0.4457, allocations: 245.5 kB / 0.538 GB, free: 65.21 MB / 490.8 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002363/0.4459, allocations: 183.2 kB / 0.5382 GB, free: 65.12 MB / 490.8 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009527/0.4469, allocations: 0.4892 MB / 0.5387 GB, free: 64.87 MB / 490.8 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.772e-06/0.4469, allocations: 7.219 kB / 0.5387 GB, free: 64.86 MB / 490.8 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.849e-06/0.4469, allocations: 1.938 kB / 0.5387 GB, free: 64.86 MB / 490.8 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.109e-06/0.4469, allocations: 2.188 kB / 0.5387 GB, free: 64.86 MB / 490.8 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00134/0.4482, allocations: 1.028 MB / 0.5397 GB, free: 64.33 MB / 490.8 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.747e-06/0.4482, allocations: 4 kB / 0.5397 GB, free: 64.33 MB / 490.8 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003198/0.4486, allocations: 60.52 kB / 0.5398 GB, free: 64.32 MB / 490.8 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.739e-06/0.4486, allocations: 1.406 kB / 0.5398 GB, free: 64.32 MB / 490.8 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.774e-05/0.4486, allocations: 6.781 kB / 0.5398 GB, free: 64.32 MB / 490.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.296e-06/0.4486, allocations: 5.25 kB / 0.5398 GB, free: 64.32 MB / 490.8 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.874e-06/0.4486, allocations: 4.656 kB / 0.5398 GB, free: 64.31 MB / 490.8 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001112/0.4497, allocations: 0.8133 MB / 0.5406 GB, free: 63.79 MB / 490.8 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005131/0.4502, allocations: 241.5 kB / 0.5408 GB, free: 63.66 MB / 490.8 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001331/0.4504, allocations: 14.77 kB / 0.5408 GB, free: 63.65 MB / 490.8 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003462/0.4507, allocations: 14.58 kB / 0.5408 GB, free: 63.64 MB / 490.8 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.923e-05/0.4508, allocations: 25.56 kB / 0.5409 GB, free: 63.64 MB / 490.8 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.105e-05/0.4508, allocations: 10.91 kB / 0.5409 GB, free: 63.64 MB / 490.8 MB Notification: Performance of sorting global known variables: time 0.00176/0.4526, allocations: 1.192 MB / 0.542 GB, free: 63.17 MB / 490.8 MB Notification: Performance of sort global known variables: time 1e-07/0.4526, allocations: 0 / 0.542 GB, free: 63.17 MB / 490.8 MB Notification: Performance of remove unused functions: time 0.0008466/0.4534, allocations: 199.4 kB / 0.5422 GB, free: 63.13 MB / 490.8 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 6 (turbinesAndReheat.energyStorage_HP_turbine.y,turbinesAndReheat.energyStroage_RH_IPLP_turbine.y,turbinesAndReheat_02_XRG.energyStorage_HP_turbine.y,turbinesAndReheat_02_XRG.energyStroage_RH_IPLP_turbine.y,turbinesAndReheat_00_XRG.energyStorage_HP_turbine.y,turbinesAndReheat_00_XRG.energyStroage_RH_IPLP_turbine.y) * 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 (28): * Single equations (assignments): 28 * 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 0.003318/0.4567, allocations: 0.5852 MB / 0.5428 GB, free: 63.01 MB / 490.8 MB Notification: Performance of simCode: created initialization part: time 0.0008668/0.4576, allocations: 338.8 kB / 0.5431 GB, free: 62.91 MB / 490.8 MB Notification: Performance of simCode: created event and clocks part: time 3.978e-06/0.4576, allocations: 1.719 kB / 0.5431 GB, free: 62.91 MB / 490.8 MB Notification: Performance of simCode: created simulation system equations: time 0.0003123/0.4579, allocations: 145.3 kB / 0.5433 GB, free: 62.87 MB / 490.8 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001278/0.4592, allocations: 213.2 kB / 0.5435 GB, free: 62.79 MB / 490.8 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003693/0.4629, allocations: 2.215 MB / 0.5456 GB, free: 61.6 MB / 490.8 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007559/0.4636, allocations: 0.6431 MB / 0.5463 GB, free: 61.42 MB / 490.8 MB Notification: Performance of simCode: alias equations: time 0.0006086/0.4643, allocations: 178.2 kB / 0.5464 GB, free: 61.4 MB / 490.8 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002361/0.4645, allocations: 93.75 kB / 0.5465 GB, free: 61.39 MB / 490.8 MB Notification: Performance of SimCode: time 1.864e-06/0.4645, allocations: 0 / 0.5465 GB, free: 61.39 MB / 490.8 MB Notification: Performance of Templates: time 0.02427/0.4888, allocations: 10.95 MB / 0.5572 GB, free: 59.91 MB / 490.8 MB " [Timeout remaining time 799] make -j1 -f ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater.makefile [Timeout 800] (rm -f ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater.pipe ; mkfifo ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater.pipe ; head -c 1048576 < ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater.pipe >> ../files/ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater.sim & ./ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater.pipe 2>&1) [Timeout 240] diffSimulationResults("ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ClaRa/ReferenceResults/ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ClaRa_ClaRa.Components.Control.PredictorModels_3508.Check.TestReheater.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 800] "" [Timeout remaining time 800] Reference file matches [Calling sys.exit(0), Time elapsed: 6.7744437290821224]