Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650.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 0.0009713/0.0009713, allocations: 80.8 kB / 21.49 MB, free: 2.992 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 0.001137/0.001137, allocations: 168.7 kB / 24.91 MB, free: 9.191 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 0.9848/0.9848, allocations: 177.1 MB / 205.3 MB, free: 5.492 MB / 186.7 MB " [Timeout remaining time 179] 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 0.2506/0.2506, allocations: 32.8 MB / 294.6 MB, free: 1.258 MB / 266.7 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: translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|volume.medium.T|p_start|T_start|h_start|X_start.[0-9,]+.|volume.ports.[0-9,]+..m_flow|volume.ports.[0-9,]+..p|volume.ports.[0-9,]+..h_outflow|volume.ports_H_flow.[0-9,]+.|volume.ports_E_flow.[0-9,]+.|volume.ports_penetration.[0-9,]+.|volume.portsData_diameter.[0-9,]+.|volume.portsData_height.[0-9,]+.|volume.portsData_zeta_in.[0-9,]+.|volume.portsData_zeta_out.[0-9,]+.|fixedMassFlowRate.ports.[0-9,]+..m_flow|fixedMassFlowRate.ports.[0-9,]+..p|fixedMassFlowRate.ports.[0-9,]+..h_outflow|shortPipe.port_b.m_flow|shortPipe.port_b.p|shortPipe.port_b.h_outflow",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650") translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|volume.medium.T|p_start|T_start|h_start|X_start.[0-9,]+.|volume.ports.[0-9,]+..m_flow|volume.ports.[0-9,]+..p|volume.ports.[0-9,]+..h_outflow|volume.ports_H_flow.[0-9,]+.|volume.ports_E_flow.[0-9,]+.|volume.ports_penetration.[0-9,]+.|volume.portsData_diameter.[0-9,]+.|volume.portsData_height.[0-9,]+.|volume.portsData_zeta_in.[0-9,]+.|volume.portsData_zeta_out.[0-9,]+.|fixedMassFlowRate.ports.[0-9,]+..m_flow|fixedMassFlowRate.ports.[0-9,]+..p|fixedMassFlowRate.ports.[0-9,]+..h_outflow|shortPipe.port_b.m_flow|shortPipe.port_b.p|shortPipe.port_b.h_outflow",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.403e-06/1.403e-06, allocations: 0 / 323.3 MB, free: 9.656 MB / 298.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.208e-05/2.348e-05, allocations: 4.984 kB / 323.3 MB, free: 9.652 MB / 298.7 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650): time 0.008297/0.008321, allocations: 8.394 MB / 331.7 MB, free: 1.219 MB / 298.7 MB Notification: Performance of NFInst.instExpressions: time 0.003622/0.01194, allocations: 2.371 MB / 334.1 MB, free: 14.84 MB / 314.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004474/0.01239, allocations: 27.75 kB / 334.1 MB, free: 14.81 MB / 314.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0005268/0.01292, allocations: 202.5 kB / 334.3 MB, free: 14.61 MB / 314.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002394/0.01531, allocations: 1.345 MB / 335.6 MB, free: 13.26 MB / 314.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001431/0.01674, allocations: 0.8768 MB / 336.5 MB, free: 12.38 MB / 314.7 MB Notification: Performance of NFFlatten.flatten: time 0.001773/0.01851, allocations: 1.943 MB / 338.4 MB, free: 10.43 MB / 314.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0005676/0.01908, allocations: 441.7 kB / 338.9 MB, free: 9.996 MB / 314.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002588/0.02167, allocations: 2.128 MB / 341 MB, free: 7.863 MB / 314.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.00139/0.02306, allocations: 0.5765 MB / 341.6 MB, free: 7.285 MB / 314.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001224/0.02318, allocations: 60 kB / 341.6 MB, free: 7.227 MB / 314.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001106/0.02429, allocations: 0.5031 MB / 342.1 MB, free: 6.723 MB / 314.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002667/0.02456, allocations: 291.1 kB / 342.4 MB, free: 6.438 MB / 314.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0003344/0.02489, allocations: 283.4 kB / 342.7 MB, free: 6.16 MB / 314.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001408/0.0263, allocations: 0.9969 MB / 343.7 MB, free: 5.16 MB / 314.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.789e-06/0.0263, allocations: 0 / 343.7 MB, free: 5.16 MB / 314.7 MB Notification: Performance of FrontEnd: time 1.472e-06/0.0263, allocations: 4 kB / 343.7 MB, free: 5.156 MB / 314.7 MB Notification: Performance of Transformations before backend: time 1.247e-05/0.02632, allocations: 0 / 343.7 MB, free: 5.156 MB / 314.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 133 * Number of variables: 133 Notification: Performance of Generate backend data structure: time 0.001582/0.0279, allocations: 0.978 MB / 344.7 MB, free: 4.152 MB / 314.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.91e-05/0.02794, allocations: 12.03 kB / 344.7 MB, free: 4.141 MB / 314.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001013/0.02895, allocations: 232.2 kB / 344.9 MB, free: 3.914 MB / 314.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006991/0.02965, allocations: 423.4 kB / 345.3 MB, free: 3.473 MB / 314.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001315/0.02978, allocations: 152.4 kB / 345.5 MB, free: 3.301 MB / 314.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 9.37e-05/0.02988, allocations: 60.31 kB / 345.5 MB, free: 3.242 MB / 314.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001006/0.03088, allocations: 0.9155 MB / 346.5 MB, free: 2.164 MB / 314.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.449e-05/0.03091, allocations: 7.922 kB / 346.5 MB, free: 2.156 MB / 314.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.879e-05/0.03096, allocations: 28 kB / 346.5 MB, free: 2.129 MB / 314.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.35e-05/0.03103, allocations: 36.98 kB / 346.5 MB, free: 2.09 MB / 314.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005303/0.03156, allocations: 241.3 kB / 346.8 MB, free: 1.852 MB / 314.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003384/0.03494, allocations: 2.947 MB / 349.7 MB, free: 14.79 MB / 330.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.000346/0.03529, allocations: 150.2 kB / 349.9 MB, free: 14.63 MB / 330.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 7.908e-05/0.03537, allocations: 48.84 kB / 349.9 MB, free: 14.58 MB / 330.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001514/0.03552, allocations: 60.53 kB / 350 MB, free: 14.52 MB / 330.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.469e-05/0.03555, allocations: 38.56 kB / 350 MB, free: 14.48 MB / 330.7 MB Notification: Performance of pre-optimization done (n=30): time 2.394e-06/0.03556, allocations: 0 / 350 MB, free: 14.48 MB / 330.7 MB Notification: Performance of matching and sorting (n=36): time 0.002643/0.0382, allocations: 0.8802 MB / 350.9 MB, free: 13.55 MB / 330.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.265e-05/0.03826, allocations: 136.5 kB / 351 MB, free: 13.39 MB / 330.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004486/0.03871, allocations: 0.4987 MB / 351.5 MB, free: 12.88 MB / 330.7 MB Notification: Performance of collectPreVariables (initialization): time 3.452e-05/0.03874, allocations: 33.7 kB / 351.5 MB, free: 12.84 MB / 330.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002032/0.03895, allocations: 364.9 kB / 351.9 MB, free: 12.48 MB / 330.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001027/0.03905, allocations: 146.8 kB / 352 MB, free: 12.33 MB / 330.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001784/0.03923, allocations: 150.5 kB / 352.2 MB, free: 12.18 MB / 330.7 MB Notification: Performance of setup shared object (initialization): time 0.0001299/0.03936, allocations: 378.6 kB / 352.6 MB, free: 11.8 MB / 330.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000116/0.03947, allocations: 65.91 kB / 352.6 MB, free: 11.73 MB / 330.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003528/0.03983, allocations: 481.4 kB / 353.1 MB, free: 11.1 MB / 330.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005025/0.04033, allocations: 0.5046 MB / 353.6 MB, free: 10.46 MB / 330.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.3e-06/0.04034, allocations: 4 kB / 353.6 MB, free: 10.45 MB / 330.7 MB Notification: Performance of matching and sorting (n=91) (initialization): time 0.0008417/0.04118, allocations: 0.5067 MB / 354.1 MB, free: 9.934 MB / 330.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.68e-05/0.0412, allocations: 12 kB / 354.1 MB, free: 9.922 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.765e-05/0.04122, allocations: 11.94 kB / 354.1 MB, free: 9.91 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008199/0.04204, allocations: 223.1 kB / 354.4 MB, free: 9.688 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003117/0.04235, allocations: 131.8 kB / 354.5 MB, free: 9.559 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001151/0.0435, allocations: 1.178 MB / 355.7 MB, free: 8.324 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003465/0.04385, allocations: 28.06 kB / 355.7 MB, free: 8.297 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.413e-05/0.0439, allocations: 35.98 kB / 355.7 MB, free: 8.262 MB / 330.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 45 * Number of states: 0 () * Number of discrete variables: 4 (volume.inFlow[1],volume.inFlow[2],volume.regularFlow[2],volume.regularFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (73): * Single equations (assignments): 71 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,4), (1,14)} Notification: Performance of prepare postOptimizeDAE: time 0.0002058/0.04411, allocations: 165.4 kB / 355.9 MB, free: 8.09 MB / 330.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.653e-05/0.0442, allocations: 51.94 kB / 355.9 MB, free: 8.039 MB / 330.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008206/0.04502, allocations: 482.6 kB / 356.4 MB, free: 7.547 MB / 330.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.562e-06/0.04502, allocations: 4 kB / 356.4 MB, free: 7.543 MB / 330.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.158e-06/0.04503, allocations: 3.938 kB / 356.4 MB, free: 7.539 MB / 330.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.301e-06/0.04503, allocations: 8 kB / 356.4 MB, free: 7.531 MB / 330.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009848/0.04602, allocations: 0.6602 MB / 357.1 MB, free: 6.828 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.936e-06/0.04602, allocations: 0 / 357.1 MB, free: 6.828 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001279/0.04615, allocations: 43.92 kB / 357.1 MB, free: 6.785 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005389/0.04669, allocations: 159.2 kB / 357.3 MB, free: 6.621 MB / 330.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.89e-05/0.04672, allocations: 12 kB / 357.3 MB, free: 6.609 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006732/0.04739, allocations: 1.134 MB / 358.4 MB, free: 5.418 MB / 330.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.858e-06/0.0474, allocations: 8 kB / 358.4 MB, free: 5.41 MB / 330.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006414/0.04804, allocations: 471 kB / 358.9 MB, free: 4.914 MB / 330.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001574/0.04819, allocations: 67.59 kB / 359 MB, free: 4.848 MB / 330.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.827e-05/0.04826, allocations: 12 kB / 359 MB, free: 4.836 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002196/0.04848, allocations: 15.98 kB / 359 MB, free: 4.82 MB / 330.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.559e-05/0.04855, allocations: 27.89 kB / 359 MB, free: 4.793 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.458e-05/0.04858, allocations: 11.98 kB / 359 MB, free: 4.781 MB / 330.7 MB Notification: Performance of sorting global known variables: time 0.0002293/0.04881, allocations: 216.4 kB / 359.2 MB, free: 4.57 MB / 330.7 MB Notification: Performance of sort global known variables: time 6e-08/0.04881, allocations: 0 / 359.2 MB, free: 4.57 MB / 330.7 MB Notification: Performance of remove unused functions: time 0.0007295/0.04954, allocations: 239.7 kB / 359.5 MB, free: 4.336 MB / 330.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 1 (volume.medium.T) * 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 (25): * Single equations (assignments): 23 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,4), (2,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003814/0.04992, allocations: 212 kB / 359.7 MB, free: 4.117 MB / 330.7 MB Notification: Performance of simCode: created initialization part: time 0.0005803/0.0505, allocations: 329.3 kB / 360 MB, free: 3.801 MB / 330.7 MB Notification: Performance of simCode: created event and clocks part: time 2.371e-05/0.05053, allocations: 16.41 kB / 360 MB, free: 3.785 MB / 330.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0002334/0.05076, allocations: 134.8 kB / 360.1 MB, free: 3.652 MB / 330.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008779/0.05164, allocations: 301.7 kB / 360.4 MB, free: 3.379 MB / 330.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00194/0.05358, allocations: 1.1 MB / 361.5 MB, free: 2.238 MB / 330.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001356/0.05371, allocations: 163 kB / 361.7 MB, free: 2.059 MB / 330.7 MB Notification: Performance of simCode: alias equations: time 0.0004271/0.05414, allocations: 181.4 kB / 361.9 MB, free: 1.879 MB / 330.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008616/0.055, allocations: 291 kB / 362.2 MB, free: 1.594 MB / 330.7 MB Notification: Performance of SimCode: time 1.342e-06/0.055, allocations: 0 / 362.2 MB, free: 1.594 MB / 330.7 MB Notification: Performance of Templates: time 0.02678/0.08178, allocations: 14.1 MB / 376.3 MB, free: 3.812 MB / 346.7 MB " [Timeout remaining time 660] make -j1 -f ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650.makefile [Timeout 660] (rm -f ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650.sim & ./ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650 -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -emit_protected -lv LOG_STATS > ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650.pipe 2>&1) [Timeout 240] diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.Incompressible.Essotherm650_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Media/TestsWithFluid/MediaTestModels/Incompressible/Essotherm650/Essotherm650.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: 3.4126508473418653]