Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001657/0.001657, allocations: 87.67 kB / 21.19 MB, free: 3.371 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001887/0.001887, allocations: 156.5 kB / 24.55 MB, free: 16 kB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.008/1.008, allocations: 177 MB / 204.8 MB, free: 5.559 MB / 186.7 MB " [Timeout remaining time 179] Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(Modelica.Fluid.Examples.Tanks.TanksWithOverflow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|lowerTank.level|lowerTank.medium.h|upperTank.level|upperTank.medium.h|hysteresis.y",fileNamePrefix="Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow") translateModel(Modelica.Fluid.Examples.Tanks.TanksWithOverflow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|lowerTank.level|lowerTank.medium.h|upperTank.level|upperTank.medium.h|hysteresis.y",fileNamePrefix="Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.074e-06/2.074e-06, allocations: 0 / 272.9 MB, free: 1.438 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 3.341e-05/3.549e-05, allocations: 5.266 kB / 272.9 MB, free: 1.434 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.Tanks.TanksWithOverflow): time 0.01/0.01004, allocations: 9.474 MB / 282.4 MB, free: 7.906 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.009791/0.01983, allocations: 5.791 MB / 288.2 MB, free: 2.105 MB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00131/0.02114, allocations: 47.56 kB / 288.2 MB, free: 2.059 MB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.001053/0.02219, allocations: 333.7 kB / 288.5 MB, free: 1.73 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.003497/0.02569, allocations: 1.457 MB / 290 MB, free: 272 kB / 266.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.1385/0.1641, allocations: 2.261 MB / 292.3 MB, free: 15.69 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.004565/0.1687, allocations: 3.741 MB / 296 MB, free: 15.21 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001878/0.1706, allocations: 1.033 MB / 297 MB, free: 15.15 MB / 266.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003334/0.1739, allocations: 1.772 MB / 298.8 MB, free: 15.02 MB / 266.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002248/0.1762, allocations: 1.391 MB / 300.2 MB, free: 14.92 MB / 266.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0005732/0.1767, allocations: 158.2 kB / 300.4 MB, free: 14.92 MB / 266.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002287/0.179, allocations: 1.096 MB / 301.4 MB, free: 14.83 MB / 266.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0005684/0.1796, allocations: 0.6181 MB / 302.1 MB, free: 14.55 MB / 266.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001093/0.1807, allocations: 0.5937 MB / 302.7 MB, free: 14.33 MB / 266.7 MB Notification: Performance of NFConvertDAE.convert: time 0.003163/0.1839, allocations: 2.332 MB / 305 MB, free: 13.32 MB / 266.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.308e-06/0.1839, allocations: 0 / 305 MB, free: 13.32 MB / 266.7 MB Notification: Performance of FrontEnd: time 1.724e-06/0.1839, allocations: 0.5 kB / 305 MB, free: 13.32 MB / 266.7 MB Notification: Performance of Transformations before backend: time 4.76e-05/0.1839, allocations: 2 kB / 305 MB, free: 13.32 MB / 266.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 271 * Number of variables: 271 Notification: Performance of Generate backend data structure: time 0.003072/0.187, allocations: 2.009 MB / 307 MB, free: 11.9 MB / 266.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.347e-05/0.187, allocations: 14.95 kB / 307 MB, free: 11.89 MB / 266.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005042/0.1875, allocations: 273.8 kB / 307.3 MB, free: 11.77 MB / 266.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001036/0.1886, allocations: 0.8799 MB / 308.2 MB, free: 11.19 MB / 266.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001479/0.1887, allocations: 368 kB / 308.5 MB, free: 10.84 MB / 266.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001442/0.1889, allocations: 112.6 kB / 308.6 MB, free: 10.8 MB / 266.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001411/0.1903, allocations: 1.492 MB / 310.1 MB, free: 9.656 MB / 266.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.491e-05/0.1903, allocations: 0 / 310.1 MB, free: 9.656 MB / 266.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.956e-05/0.1904, allocations: 49.31 kB / 310.2 MB, free: 9.625 MB / 266.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.863e-05/0.1905, allocations: 105 kB / 310.3 MB, free: 9.594 MB / 266.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001141/0.1916, allocations: 0.7206 MB / 311 MB, free: 9.344 MB / 266.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005066/0.1967, allocations: 4.508 MB / 315.5 MB, free: 5.023 MB / 266.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001111/0.1978, allocations: 0.7663 MB / 316.3 MB, free: 4.25 MB / 266.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004889/0.1983, allocations: 343.1 kB / 316.6 MB, free: 3.91 MB / 266.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0002372/0.1985, allocations: 88.92 kB / 316.7 MB, free: 3.824 MB / 266.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.817e-05/0.1985, allocations: 48.17 kB / 316.7 MB, free: 3.77 MB / 266.7 MB Notification: Performance of pre-optimization done (n=116): time 3.006e-06/0.1985, allocations: 0 / 316.7 MB, free: 3.77 MB / 266.7 MB Notification: Performance of matching and sorting (n=128): time 0.00664/0.2052, allocations: 3.508 MB / 320.2 MB, free: 240 kB / 266.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.98e-05/0.2052, allocations: 171.5 kB / 320.4 MB, free: 32 kB / 266.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007008/0.2059, allocations: 0.7531 MB / 321.2 MB, free: 15.26 MB / 282.7 MB Notification: Performance of collectPreVariables (initialization): time 8.974e-05/0.206, allocations: 49.7 kB / 321.2 MB, free: 15.21 MB / 282.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003991/0.2064, allocations: 0.5817 MB / 321.8 MB, free: 14.62 MB / 282.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003486/0.2068, allocations: 455.3 kB / 322.2 MB, free: 14.18 MB / 282.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003416/0.2071, allocations: 273.2 kB / 322.5 MB, free: 13.91 MB / 282.7 MB Notification: Performance of setup shared object (initialization): time 0.0001466/0.2073, allocations: 0.5355 MB / 323 MB, free: 13.37 MB / 282.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000568/0.2078, allocations: 311.5 kB / 323.4 MB, free: 13.06 MB / 282.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007383/0.2086, allocations: 0.7149 MB / 324.1 MB, free: 12.22 MB / 282.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001239/0.2098, allocations: 0.8794 MB / 324.9 MB, free: 11.27 MB / 282.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.963e-06/0.2098, allocations: 4.75 kB / 325 MB, free: 11.27 MB / 282.7 MB Notification: Performance of matching and sorting (n=170) (initialization): time 0.002193/0.212, allocations: 1.342 MB / 326.3 MB, free: 9.934 MB / 282.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.491e-05/0.212, allocations: 12.61 kB / 326.3 MB, free: 9.922 MB / 282.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.257e-05/0.212, allocations: 4 kB / 326.3 MB, free: 9.918 MB / 282.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002298/0.2143, allocations: 0.9058 MB / 327.2 MB, free: 9.012 MB / 282.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005246/0.2149, allocations: 209.5 kB / 327.4 MB, free: 8.82 MB / 282.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00493/0.2198, allocations: 7.129 MB / 334.5 MB, free: 1.402 MB / 282.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009296/0.2207, allocations: 59.95 kB / 334.6 MB, free: 1.344 MB / 282.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001048/0.2208, allocations: 63.59 kB / 334.7 MB, free: 1.285 MB / 282.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0008717/0.2217, allocations: 446.7 kB / 335.1 MB, free: 0.8438 MB / 282.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007594/0.2225, allocations: 0.7124 MB / 335.8 MB, free: 0 / 282.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001128/0.2236, allocations: 0.8885 MB / 336.7 MB, free: 15.04 MB / 298.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.012e-06/0.2236, allocations: 4 kB / 336.7 MB, free: 15.04 MB / 298.7 MB Notification: Performance of matching and sorting (n=170) (initialization_lambda0): time 0.002332/0.2259, allocations: 1.321 MB / 338 MB, free: 13.72 MB / 298.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.367e-05/0.2259, allocations: 8 kB / 338 MB, free: 13.71 MB / 298.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.663e-06/0.2259, allocations: 4 kB / 338 MB, free: 13.71 MB / 298.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001261/0.2272, allocations: 0.6878 MB / 338.7 MB, free: 13.01 MB / 298.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005095/0.2277, allocations: 223.2 kB / 338.9 MB, free: 12.8 MB / 298.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003852/0.2316, allocations: 7.032 MB / 346 MB, free: 5.48 MB / 298.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007628/0.2323, allocations: 68.05 kB / 346 MB, free: 5.414 MB / 298.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.248e-05/0.2324, allocations: 59.97 kB / 346.1 MB, free: 5.355 MB / 298.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * Number of states: 0 () * Number of discrete variables: 12 (hysteresis.y,$PRE.hysteresis.y,lowerTank.inFlow[2],lowerTank.inFlow[1],lowerTank.regularFlow[2],lowerTank.regularFlow[1],upperTank.inFlow[3],upperTank.inFlow[2],upperTank.inFlow[1],upperTank.regularFlow[3],upperTank.regularFlow[2],upperTank.regularFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (126): * Single equations (assignments): 121 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,6,100.0%), (1,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(2,3), (4,11), (4,11)} Notification: Performance of prepare postOptimizeDAE: time 0.0003461/0.2328, allocations: 349.6 kB / 346.4 MB, free: 5.02 MB / 298.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002176/0.233, allocations: 155.3 kB / 346.6 MB, free: 4.867 MB / 298.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002227/0.2352, allocations: 1.484 MB / 348.1 MB, free: 3.379 MB / 298.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.448e-05/0.2352, allocations: 16.08 kB / 348.1 MB, free: 3.363 MB / 298.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.101e-06/0.2352, allocations: 8 kB / 348.1 MB, free: 3.355 MB / 298.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.008e-05/0.2352, allocations: 11.97 kB / 348.1 MB, free: 3.344 MB / 298.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003539/0.2388, allocations: 2.465 MB / 350.6 MB, free: 0.8516 MB / 298.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.821e-06/0.2388, allocations: 0 / 350.6 MB, free: 0.8516 MB / 298.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004369/0.2392, allocations: 142.5 kB / 350.7 MB, free: 0.7188 MB / 298.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001675/0.2409, allocations: 0.8857 MB / 351.6 MB, free: 15.82 MB / 314.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.425e-05/0.241, allocations: 39.97 kB / 351.6 MB, free: 15.78 MB / 314.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00416/0.2452, allocations: 7.139 MB / 358.8 MB, free: 8.336 MB / 314.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.313e-06/0.2452, allocations: 0 / 358.8 MB, free: 8.336 MB / 314.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003178/0.2483, allocations: 1.81 MB / 360.6 MB, free: 6.496 MB / 314.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005548/0.2489, allocations: 310.9 kB / 360.9 MB, free: 6.191 MB / 314.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001239/0.249, allocations: 28 kB / 360.9 MB, free: 6.164 MB / 314.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004642/0.2495, allocations: 59.95 kB / 361 MB, free: 6.105 MB / 314.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002372/0.2497, allocations: 136.4 kB / 361.1 MB, free: 5.973 MB / 314.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.545e-05/0.2498, allocations: 47.97 kB / 361.2 MB, free: 5.926 MB / 314.7 MB Notification: Performance of sorting global known variables: time 0.0004462/0.2502, allocations: 474.9 kB / 361.6 MB, free: 5.465 MB / 314.7 MB Notification: Performance of sort global known variables: time 3.21e-07/0.2502, allocations: 0 / 361.6 MB, free: 5.465 MB / 314.7 MB Notification: Performance of remove unused functions: time 0.001965/0.2522, allocations: 0.8895 MB / 362.5 MB, free: 4.574 MB / 314.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (upperTank.level,upperTank.medium.T,lowerTank.level,lowerTank.medium.T) * Number of discrete variables: 11 (upperTank.regularFlow[1],upperTank.regularFlow[2],upperTank.regularFlow[3],upperTank.inFlow[1],upperTank.inFlow[2],upperTank.inFlow[3],lowerTank.regularFlow[1],lowerTank.regularFlow[2],lowerTank.inFlow[1],lowerTank.inFlow[2],hysteresis.y) * Number of discrete states: 1 (hysteresis.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (93): * Single equations (assignments): 84 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,6,100.0%), (1,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(2,4), (4,14), (4,14)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0008338/0.253, allocations: 0.4976 MB / 363 MB, free: 4.098 MB / 314.7 MB Notification: Performance of simCode: created initialization part: time 0.003648/0.2567, allocations: 2.422 MB / 365.4 MB, free: 1.656 MB / 314.7 MB Notification: Performance of simCode: created event and clocks part: time 5.119e-06/0.2567, allocations: 4.344 kB / 365.4 MB, free: 1.656 MB / 314.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001746/0.2584, allocations: 1.005 MB / 366.4 MB, free: 0.6328 MB / 314.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00162/0.2601, allocations: 0.6202 MB / 367.1 MB, free: 48 kB / 314.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004063/0.2641, allocations: 2.453 MB / 369.5 MB, free: 13.57 MB / 330.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002582/0.2644, allocations: 336.4 kB / 369.8 MB, free: 13.22 MB / 330.7 MB Notification: Performance of simCode: alias equations: time 0.001146/0.2655, allocations: 486.8 kB / 370.3 MB, free: 12.75 MB / 330.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000285/0.2658, allocations: 123.8 kB / 370.4 MB, free: 12.63 MB / 330.7 MB Notification: Performance of SimCode: time 2.144e-06/0.2658, allocations: 0 / 370.4 MB, free: 12.63 MB / 330.7 MB Notification: Performance of Templates: time 0.04508/0.3109, allocations: 40.09 MB / 410.5 MB, free: 5.059 MB / 362.7 MB " [Timeout remaining time 660] make -j1 -f Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.makefile [Timeout 660] (rm -f Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.pipe ; mkfifo Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.pipe >> ../files/Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.sim & ./Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_trunk_Modelica.Fluid.Examples.Tanks.TanksWithOverflow_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Fluid/Examples/Tanks/TanksWithOverflow/TanksWithOverflow.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 4.35243553109467]