Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Physiolibrary_Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.1/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.1/package.mo): time 0.05467/0.05467, allocations: 11.16 MB / 30.72 MB, free: 4.453 MB / 24.77 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 0.0008932/0.0008932, allocations: 102.8 kB / 38.4 MB, free: 7 MB / 33.03 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 0.0009895/0.0009895, allocations: 168.5 kB / 46.18 MB, free: 10.32 MB / 44.04 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 1.024/1.024, allocations: 177.2 MB / 231 MB, free: 1.992 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0/package.mo): time 0.2188/0.2188, allocations: 17.62 MB / 309.5 MB, free: 1.945 MB / 266.7 MB " [Timeout remaining time 180] Using package Physiolibrary with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0/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 Chemical with version 1.4.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.1/package.mo) Running command: translateModel(Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Physiolibrary_Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation") translateModel(Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Physiolibrary_Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.583e-06/1.583e-06, allocations: 0 / 391.4 MB, free: 4.473 MB / 346.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.539e-05/1.697e-05, allocations: 2.312 kB / 391.4 MB, free: 4.469 MB / 346.7 MB Notification: Performance of NFInst.instantiate(Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation): time 0.03589/0.03591, allocations: 51.45 MB / 442.9 MB, free: 0.8438 MB / 394.7 MB Notification: Performance of NFInst.instExpressions: time 0.1891/0.225, allocations: 12.14 MB / 455 MB, free: 48.35 MB / 394.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001865/0.2269, allocations: 48.25 kB / 455.1 MB, free: 48.35 MB / 394.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0007962/0.2277, allocations: 327.8 kB / 455.4 MB, free: 48.35 MB / 394.7 MB Notification: Performance of NFTyping.typeBindings: time 0.008085/0.2357, allocations: 2.977 MB / 458.4 MB, free: 47.84 MB / 394.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.006119/0.2419, allocations: 3.025 MB / 461.4 MB, free: 47.27 MB / 394.7 MB Notification: Performance of NFFlatten.flatten: time 0.002514/0.2444, allocations: 2.678 MB / 464.1 MB, free: 46.64 MB / 394.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0007628/0.2451, allocations: 0.6024 MB / 464.7 MB, free: 46.6 MB / 394.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002656/0.2478, allocations: 1.897 MB / 466.6 MB, free: 46.36 MB / 394.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001111/0.2489, allocations: 0.8851 MB / 467.5 MB, free: 46.26 MB / 394.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001585/0.2491, allocations: 89.53 kB / 467.5 MB, free: 46.26 MB / 394.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004803/0.2539, allocations: 2.06 MB / 469.6 MB, free: 46.11 MB / 394.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002388/0.2541, allocations: 318.2 kB / 469.9 MB, free: 46.05 MB / 394.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0004329/0.2545, allocations: 441.3 kB / 470.3 MB, free: 46.01 MB / 394.7 MB Notification: Performance of NFConvertDAE.convert: time 0.003746/0.2583, allocations: 3.084 MB / 473.4 MB, free: 45.5 MB / 394.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.809e-06/0.2583, allocations: 3.562 kB / 473.4 MB, free: 45.5 MB / 394.7 MB Notification: Performance of FrontEnd: time 1.503e-06/0.2583, allocations: 0 / 473.4 MB, free: 45.5 MB / 394.7 MB Notification: Performance of Transformations before backend: time 1.241e-05/0.2583, allocations: 0 / 473.4 MB, free: 45.5 MB / 394.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 177 * Number of variables: 177 Notification: Performance of Generate backend data structure: time 0.001761/0.2601, allocations: 1.681 MB / 475.1 MB, free: 44.54 MB / 394.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.125e-05/0.2601, allocations: 9.219 kB / 475.1 MB, free: 44.54 MB / 394.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001684/0.2603, allocations: 179.9 kB / 475.3 MB, free: 44.45 MB / 394.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000616/0.2609, allocations: 0.625 MB / 475.9 MB, free: 44.11 MB / 394.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.904e-05/0.2609, allocations: 58.16 kB / 476 MB, free: 44.09 MB / 394.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.559e-05/0.261, allocations: 76.69 kB / 476.1 MB, free: 44.06 MB / 394.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007893/0.2618, allocations: 0.8067 MB / 476.9 MB, free: 43.58 MB / 394.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.972e-05/0.2618, allocations: 3.344 kB / 476.9 MB, free: 43.58 MB / 394.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.166e-05/0.2618, allocations: 30.22 kB / 476.9 MB, free: 43.55 MB / 394.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.633e-05/0.2619, allocations: 22.38 kB / 476.9 MB, free: 43.55 MB / 394.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005333/0.2624, allocations: 402.2 kB / 477.3 MB, free: 43.49 MB / 394.7 MB 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 0.00226/0.2647, allocations: 3.336 MB / 480.6 MB, free: 41.01 MB / 394.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0005227/0.2652, allocations: 430.9 kB / 481.1 MB, free: 40.87 MB / 394.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003857/0.2656, allocations: 305.8 kB / 481.4 MB, free: 40.81 MB / 394.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.001042/0.2666, allocations: 1.015 MB / 482.4 MB, free: 40.23 MB / 394.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.038e-05/0.2666, allocations: 44.5 kB / 482.4 MB, free: 40.18 MB / 394.7 MB Notification: Performance of pre-optimization done (n=53): time 1.593e-06/0.2666, allocations: 0 / 482.4 MB, free: 40.18 MB / 394.7 MB Notification: Performance of matching and sorting (n=53): time 0.001047/0.2677, allocations: 0.6383 MB / 483.1 MB, free: 39.96 MB / 394.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.884e-05/0.2677, allocations: 58.31 kB / 483.1 MB, free: 39.9 MB / 394.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004464/0.2681, allocations: 0.6906 MB / 483.8 MB, free: 39.57 MB / 394.7 MB Notification: Performance of collectPreVariables (initialization): time 2.806e-05/0.2682, allocations: 39.8 kB / 483.9 MB, free: 39.54 MB / 394.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001618/0.2683, allocations: 0.5089 MB / 484.4 MB, free: 39.12 MB / 394.7 MB Notification: Performance of collectInitialBindings (initialization): time 8.643e-05/0.2684, allocations: 212.2 kB / 484.6 MB, free: 38.95 MB / 394.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001452/0.2686, allocations: 172.2 kB / 484.7 MB, free: 38.86 MB / 394.7 MB Notification: Performance of setup shared object (initialization): time 8.779e-05/0.2687, allocations: 0.5601 MB / 485.3 MB, free: 38.33 MB / 394.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002197/0.2689, allocations: 133.5 kB / 485.4 MB, free: 38.32 MB / 394.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002882/0.2692, allocations: 425.8 kB / 485.8 MB, free: 37.95 MB / 394.7 MB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: PulmonaryArteries.mass = PulmonaryArteries.tm_start (PulmonaryArteries.m_start[1] + PulmonaryArteries.massOffset = PulmonaryArteries.tm_start) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: PulmonaryVeins.mass = PulmonaryVeins.tm_start (PulmonaryVeins.m_start[1] + PulmonaryVeins.massOffset = PulmonaryVeins.tm_start) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: SystemicVeins.mass = SystemicVeins.tm_start (SystemicVeins.m_start[1] + SystemicVeins.massOffset = SystemicVeins.tm_start) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: SystemicArteries.mass = SystemicArteries.tm_start (SystemicArteries.m_start[1] + SystemicArteries.massOffset = SystemicArteries.tm_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.001645/0.2708, allocations: 1.391 MB / 487.2 MB, free: 37.39 MB / 394.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.528e-06/0.2708, allocations: 0 / 487.2 MB, free: 37.39 MB / 394.7 MB Notification: Performance of matching and sorting (n=102) (initialization): time 0.0009664/0.2718, allocations: 0.7435 MB / 488 MB, free: 37.14 MB / 394.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.046e-05/0.2718, allocations: 8.5 kB / 488 MB, free: 37.14 MB / 394.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.398e-06/0.2718, allocations: 5.5 kB / 488 MB, free: 37.14 MB / 394.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002799/0.2721, allocations: 131.9 kB / 488.1 MB, free: 37.08 MB / 394.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003896/0.2725, allocations: 180.4 kB / 488.3 MB, free: 37.07 MB / 394.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005957/0.2731, allocations: 3.19 MB / 491.5 MB, free: 33.86 MB / 394.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003075/0.2734, allocations: 81.91 kB / 491.6 MB, free: 33.8 MB / 394.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.08e-05/0.2734, allocations: 47.23 kB / 491.6 MB, free: 33.79 MB / 394.7 MB Warning: The initial conditions are over specified. The following 4 initial equations are redundant, so they are removed from the initialization system: PulmonaryArteries.mass = PulmonaryArteries.tm_start PulmonaryVeins.mass = PulmonaryVeins.tm_start SystemicVeins.mass = SystemicVeins.tm_start SystemicArteries.mass = SystemicArteries.tm_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 28 * 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 (98): * Single equations (assignments): 94 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 4 systems {(1,1), (1,1), (1,1), (1,1)} Notification: Performance of prepare postOptimizeDAE: time 0.0001587/0.2736, allocations: 208.9 kB / 491.8 MB, free: 33.61 MB / 394.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001104/0.2737, allocations: 98.7 kB / 491.9 MB, free: 33.55 MB / 394.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007236/0.2744, allocations: 0.5377 MB / 492.4 MB, free: 33.32 MB / 394.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.482e-06/0.2744, allocations: 5.625 kB / 492.5 MB, free: 33.32 MB / 394.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.408e-06/0.2744, allocations: 1.156 kB / 492.5 MB, free: 33.32 MB / 394.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.021e-06/0.2744, allocations: 3.281 kB / 492.5 MB, free: 33.32 MB / 394.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004752/0.2749, allocations: 0.5119 MB / 493 MB, free: 33.04 MB / 394.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.234e-06/0.2749, allocations: 4 kB / 493 MB, free: 33.04 MB / 394.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002625/0.2752, allocations: 94.7 kB / 493.1 MB, free: 33.03 MB / 394.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002072/0.2754, allocations: 129.7 kB / 493.2 MB, free: 32.97 MB / 394.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.156e-05/0.2754, allocations: 17.05 kB / 493.2 MB, free: 32.96 MB / 394.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005003/0.2759, allocations: 3.17 MB / 496.4 MB, free: 29.76 MB / 394.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.242e-06/0.2759, allocations: 4.031 kB / 496.4 MB, free: 29.75 MB / 394.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009156/0.2768, allocations: 0.8017 MB / 497.2 MB, free: 29.36 MB / 394.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.000198/0.277, allocations: 158.1 kB / 497.3 MB, free: 29.26 MB / 394.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.075e-05/0.2771, allocations: 16.42 kB / 497.4 MB, free: 29.25 MB / 394.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002048/0.2773, allocations: 22.17 kB / 497.4 MB, free: 29.24 MB / 394.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.436e-05/0.2774, allocations: 44.36 kB / 497.4 MB, free: 29.23 MB / 394.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.782e-05/0.2774, allocations: 20.3 kB / 497.4 MB, free: 29.23 MB / 394.7 MB Notification: Performance of sorting global known variables: time 0.0003408/0.2778, allocations: 451 kB / 497.9 MB, free: 29.04 MB / 394.7 MB Notification: Performance of sort global known variables: time 8e-08/0.2778, allocations: 3.938 kB / 497.9 MB, free: 29.04 MB / 394.7 MB Notification: Performance of remove unused functions: time 0.00148/0.2792, allocations: 0.8184 MB / 498.7 MB, free: 28.8 MB / 394.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 8 (PulmonaryArteries.enthalpy,PulmonaryArteries.substanceMasses[1],PulmonaryVeins.enthalpy,PulmonaryVeins.substanceMasses[1],SystemicVeins.enthalpy,SystemicVeins.substanceMasses[1],SystemicArteries.enthalpy,SystemicArteries.substanceMasses[1]) * 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 (53): * Single equations (assignments): 49 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 4 systems {(1,1), (1,1), (1,1), (1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001452/0.2807, allocations: 1.133 MB / 499.8 MB, free: 28.46 MB / 394.7 MB Notification: Performance of simCode: created initialization part: time 0.0007318/0.2814, allocations: 488.9 kB / 0.4886 GB, free: 28.38 MB / 394.7 MB Notification: Performance of simCode: created event and clocks part: time 2.174e-06/0.2814, allocations: 5.062 kB / 0.4886 GB, free: 28.38 MB / 394.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0003343/0.2818, allocations: 227.2 kB / 0.4888 GB, free: 28.34 MB / 394.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001033/0.2828, allocations: 405.3 kB / 0.4892 GB, free: 28.23 MB / 394.7 MB Error: Error parsing unit kcal: Unit not found Error: Error parsing unit kcal/min: Unit not found Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002775/0.2856, allocations: 1.706 MB / 0.4909 GB, free: 27.27 MB / 394.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001242/0.2857, allocations: 186 kB / 0.491 GB, free: 27.19 MB / 394.7 MB Notification: Performance of simCode: alias equations: time 0.0003661/0.2861, allocations: 151.5 kB / 0.4912 GB, free: 27.15 MB / 394.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001482/0.2862, allocations: 71.81 kB / 0.4913 GB, free: 27.14 MB / 394.7 MB Notification: Performance of SimCode: time 9.92e-07/0.2862, allocations: 0 / 0.4913 GB, free: 27.14 MB / 394.7 MB Notification: Performance of Templates: time 0.03135/0.3176, allocations: 34.02 MB / 0.5245 GB, free: 8.832 MB / 394.7 MB " [Timeout remaining time 660] make -j1 -f Physiolibrary_Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation.makefile [Timeout 660] (rm -f Physiolibrary_Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation.pipe ; mkfifo Physiolibrary_Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation.pipe ; head -c 1048576 < Physiolibrary_Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation.pipe >> ../files/Physiolibrary_Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation.sim & ./Physiolibrary_Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation -abortSlowSimulation -alarm=240 -lv LOG_STATS > Physiolibrary_Physiolibrary.Fluid.Examples.Kofranek2014.NonPulsatileCirculation.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 3.9454637351445854]