Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.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 0.001654/0.001654, allocations: 105.8 kB / 18.84 MB, free: 3.023 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 0.002177/0.002177, allocations: 191.8 kB / 22.1 MB, free: 4.227 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 1.623/1.623, allocations: 225.6 MB / 250.8 MB, free: 2.906 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo): time 2.942/2.942, allocations: 495.8 MB / 0.783 GB, free: 12.5 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 12.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo) 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: translateModel(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|sin.ports.1..m_flow",fileNamePrefix="Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised") translateModel(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|sin.ports.1..m_flow",fileNamePrefix="Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002049/0.002049, allocations: 63.89 kB / 1.137 GB, free: 12.23 MB / 0.92 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.085/1.088, allocations: 173.6 MB / 1.307 GB, free: 33.81 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised): time 0.2115/1.299, allocations: 160.5 MB / 1.464 GB, free: 13.75 MB / 1.154 GB Notification: Performance of NFInst.instExpressions: time 0.004044/1.303, allocations: 1.759 MB / 1.465 GB, free: 12.53 MB / 1.154 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004251/1.303, allocations: 19.69 kB / 1.465 GB, free: 12.52 MB / 1.154 GB Notification: Performance of NFTyping.typeComponents: time 0.0006879/1.304, allocations: 168.4 kB / 1.465 GB, free: 12.42 MB / 1.154 GB Notification: Performance of NFTyping.typeBindings: time 0.001887/1.306, allocations: 0.5534 MB / 1.466 GB, free: 12.12 MB / 1.154 GB Notification: Performance of NFTyping.typeClassSections: time 0.001476/1.308, allocations: 404.7 kB / 1.466 GB, free: 11.93 MB / 1.154 GB Notification: Performance of NFFlatten.flatten: time 0.003865/1.311, allocations: 2.526 MB / 1.469 GB, free: 10.83 MB / 1.154 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001345/1.313, allocations: 0.6353 MB / 1.469 GB, free: 10.55 MB / 1.154 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003114/1.316, allocations: 1.213 MB / 1.471 GB, free: 10.04 MB / 1.154 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001318/1.317, allocations: 0.7236 MB / 1.471 GB, free: 9.613 MB / 1.154 GB Notification: Performance of NFPackage.collectConstants: time 0.000137/1.317, allocations: 55.19 kB / 1.471 GB, free: 9.613 MB / 1.154 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00171/1.319, allocations: 0.617 MB / 1.472 GB, free: 9.305 MB / 1.154 GB Notification: Performance of NFScalarize.scalarize: time 0.0004118/1.319, allocations: 317.9 kB / 1.472 GB, free: 9.09 MB / 1.154 GB Notification: Performance of NFVerifyModel.verify: time 0.0007989/1.32, allocations: 0.5448 MB / 1.473 GB, free: 8.758 MB / 1.154 GB Notification: Performance of NFConvertDAE.convert: time 0.00211/1.322, allocations: 1.383 MB / 1.474 GB, free: 7.938 MB / 1.154 GB Notification: Performance of FrontEnd - DAE generated: time 4.849e-06/1.322, allocations: 0 / 1.474 GB, free: 7.938 MB / 1.154 GB Notification: Performance of FrontEnd: time 2.755e-06/1.322, allocations: 1 kB / 1.474 GB, free: 7.938 MB / 1.154 GB Notification: Performance of Transformations before backend: time 1.896e-05/1.322, allocations: 0 / 1.474 GB, free: 7.938 MB / 1.154 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 126 * Number of variables: 126 Notification: Performance of Generate backend data structure: time 0.002803/1.325, allocations: 1.418 MB / 1.476 GB, free: 6.871 MB / 1.154 GB Notification: Performance of prepare preOptimizeDAE: time 4.209e-05/1.325, allocations: 8.906 kB / 1.476 GB, free: 6.871 MB / 1.154 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008398/1.326, allocations: 188.5 kB / 1.476 GB, free: 6.781 MB / 1.154 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001578/1.328, allocations: 0.7862 MB / 1.477 GB, free: 6.242 MB / 1.154 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.984e-05/1.328, allocations: 42.12 kB / 1.477 GB, free: 6.227 MB / 1.154 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001002/1.328, allocations: 57.75 kB / 1.477 GB, free: 6.211 MB / 1.154 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001357/1.329, allocations: 0.7971 MB / 1.477 GB, free: 5.637 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.978e-05/1.329, allocations: 5.031 kB / 1.477 GB, free: 5.633 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.454e-05/1.329, allocations: 30.98 kB / 1.477 GB, free: 5.609 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.64e-05/1.329, allocations: 14.03 kB / 1.477 GB, free: 5.609 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001032/1.33, allocations: 0.5374 MB / 1.478 GB, free: 5.348 MB / 1.154 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 0.005607/1.336, allocations: 4.548 MB / 1.482 GB, free: 1.078 MB / 1.154 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008036/1.337, allocations: 403.9 kB / 1.483 GB, free: 0.8711 MB / 1.154 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004109/1.337, allocations: 227.8 kB / 1.483 GB, free: 0.7617 MB / 1.154 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002657/1.337, allocations: 38.56 kB / 1.483 GB, free: 0.75 MB / 1.154 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000666/1.338, allocations: 294.5 kB / 1.483 GB, free: 0.5547 MB / 1.154 GB Notification: Performance of pre-optimization done (n=31): time 1.934e-06/1.338, allocations: 0 / 1.483 GB, free: 0.5547 MB / 1.154 GB Notification: Performance of matching and sorting (n=31): time 0.001691/1.34, allocations: 0.6382 MB / 1.484 GB, free: 240 kB / 1.154 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.759e-05/1.34, allocations: 80.55 kB / 1.484 GB, free: 144 kB / 1.154 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001795/1.342, allocations: 1.115 MB / 1.485 GB, free: 15.55 MB / 1.17 GB Notification: Performance of collectPreVariables (initialization): time 0.0001066/1.342, allocations: 41.83 kB / 1.485 GB, free: 15.5 MB / 1.17 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005471/1.342, allocations: 494.9 kB / 1.486 GB, free: 15.08 MB / 1.17 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001351/1.342, allocations: 115.2 kB / 1.486 GB, free: 14.98 MB / 1.17 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000211/1.343, allocations: 110.1 kB / 1.486 GB, free: 14.92 MB / 1.17 GB Notification: Performance of setup shared object (initialization): time 0.0001748/1.343, allocations: 331.5 kB / 1.486 GB, free: 14.6 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004667/1.343, allocations: 214.5 kB / 1.486 GB, free: 14.49 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008353/1.344, allocations: 0.5208 MB / 1.487 GB, free: 13.99 MB / 1.17 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001118/1.345, allocations: 0.6304 MB / 1.487 GB, free: 13.52 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.881e-06/1.345, allocations: 1.219 kB / 1.487 GB, free: 13.52 MB / 1.17 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.001639/1.347, allocations: 0.7326 MB / 1.488 GB, free: 13.12 MB / 1.17 GB Notification: Performance of prepare postOptimizeDAE: time 4.959e-05/1.347, allocations: 38.31 kB / 1.488 GB, free: 13.09 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.287e-05/1.347, allocations: 4.656 kB / 1.488 GB, free: 13.09 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.505e-05/1.347, allocations: 7.938 kB / 1.488 GB, free: 13.09 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004625/1.347, allocations: 108 kB / 1.488 GB, free: 13.06 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.031e-05/1.347, allocations: 12.48 kB / 1.488 GB, free: 13.06 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008835/1.348, allocations: 72.7 kB / 1.488 GB, free: 13.02 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.045e-05/1.348, allocations: 28.11 kB / 1.488 GB, free: 13.01 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0009846/1.349, allocations: 0.5016 MB / 1.489 GB, free: 12.71 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0006986/1.35, allocations: 494.2 kB / 1.489 GB, free: 12.23 MB / 1.17 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0009765/1.351, allocations: 0.5554 MB / 1.49 GB, free: 11.79 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.608e-06/1.351, allocations: 1.031 kB / 1.49 GB, free: 11.79 MB / 1.17 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.001344/1.352, allocations: 0.6507 MB / 1.491 GB, free: 11.37 MB / 1.17 GB Notification: Performance of prepare postOptimizeDAE: time 4.152e-05/1.352, allocations: 35.58 kB / 1.491 GB, free: 11.33 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.418e-05/1.352, allocations: 4 kB / 1.491 GB, free: 11.32 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.416e-06/1.352, allocations: 8 kB / 1.491 GB, free: 11.32 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003985/1.353, allocations: 103.8 kB / 1.491 GB, free: 11.21 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.108e-05/1.353, allocations: 11.98 kB / 1.491 GB, free: 11.2 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008708/1.354, allocations: 80.09 kB / 1.491 GB, free: 11.12 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.58e-05/1.354, allocations: 24.11 kB / 1.491 GB, free: 11.1 MB / 1.17 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 5 (pulse_p.count,$PRE.pulse_p.count,pulse_p.T_start,$PRE.pulse_p.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (53): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0002538/1.354, allocations: 220 kB / 1.491 GB, free: 10.88 MB / 1.17 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001552/1.354, allocations: 103.3 kB / 1.491 GB, free: 10.78 MB / 1.17 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001067/1.355, allocations: 499 kB / 1.492 GB, free: 10.29 MB / 1.17 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.237e-06/1.355, allocations: 4 kB / 1.492 GB, free: 10.28 MB / 1.17 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.38e-06/1.355, allocations: 4 kB / 1.492 GB, free: 10.28 MB / 1.17 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.51e-06/1.355, allocations: 4 kB / 1.492 GB, free: 10.27 MB / 1.17 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002609/1.358, allocations: 1.365 MB / 1.493 GB, free: 8.84 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.612e-06/1.358, allocations: 4 kB / 1.493 GB, free: 8.836 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002737/1.358, allocations: 67.83 kB / 1.493 GB, free: 8.77 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.19e-06/1.358, allocations: 0 / 1.493 GB, free: 8.77 MB / 1.17 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.532e-05/1.358, allocations: 8 kB / 1.493 GB, free: 8.762 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.969e-06/1.358, allocations: 4 kB / 1.493 GB, free: 8.758 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.618e-06/1.358, allocations: 7.938 kB / 1.493 GB, free: 8.75 MB / 1.17 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000984/1.359, allocations: 0.6069 MB / 1.494 GB, free: 8.105 MB / 1.17 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003886/1.36, allocations: 139.3 kB / 1.494 GB, free: 7.969 MB / 1.17 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001145/1.36, allocations: 8 kB / 1.494 GB, free: 7.961 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004147/1.36, allocations: 23.97 kB / 1.494 GB, free: 7.938 MB / 1.17 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001274/1.36, allocations: 35.75 kB / 1.494 GB, free: 7.902 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.311e-05/1.36, allocations: 16 kB / 1.494 GB, free: 7.887 MB / 1.17 GB Notification: Performance of sorting global known variables: time 0.001295/1.362, allocations: 0.7875 MB / 1.495 GB, free: 7.09 MB / 1.17 GB Notification: Performance of sort global known variables: time 1e-07/1.362, allocations: 4 kB / 1.495 GB, free: 7.086 MB / 1.17 GB Notification: Performance of remove unused functions: time 0.001507/1.363, allocations: 411.5 kB / 1.495 GB, free: 6.684 MB / 1.17 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,pulse_p.T_start,pulse_p.count) * Number of discrete states: 1 (pulse_p.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (31): * Single equations (assignments): 29 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 0.0005511/1.364, allocations: 179.4 kB / 1.495 GB, free: 6.508 MB / 1.17 GB Notification: Performance of simCode: created initialization part: time 0.001748/1.365, allocations: 0.7903 MB / 1.496 GB, free: 5.695 MB / 1.17 GB Notification: Performance of simCode: created event and clocks part: time 2.655e-06/1.365, allocations: 0 / 1.496 GB, free: 5.695 MB / 1.17 GB Notification: Performance of simCode: created simulation system equations: time 0.0004027/1.366, allocations: 199.1 kB / 1.496 GB, free: 5.504 MB / 1.17 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002173/1.368, allocations: 451.9 kB / 1.497 GB, free: 5.062 MB / 1.17 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003476/1.371, allocations: 1.758 MB / 1.498 GB, free: 3.246 MB / 1.17 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001111/1.372, allocations: 1.176 MB / 1.499 GB, free: 2.039 MB / 1.17 GB Notification: Performance of simCode: alias equations: time 0.001198/1.374, allocations: 423.6 kB / 1.5 GB, free: 1.621 MB / 1.17 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001942/1.374, allocations: 71.42 kB / 1.5 GB, free: 1.551 MB / 1.17 GB Notification: Performance of SimCode: time 1.283e-06/1.374, allocations: 4 kB / 1.5 GB, free: 1.547 MB / 1.17 GB Notification: Performance of Templates: time 0.03582/1.41, allocations: 17.63 MB / 1.517 GB, free: 112 kB / 1.186 GB " [Timeout remaining time 299] make -j1 -f Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; mkfifo Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe >> ../files/Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.sim & ./Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Examples_Performance_PressureDrop_SeriesFlowOptimised.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 10.306840577162802]