Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake.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 0.000824/0.000824, allocations: 83.69 kB / 20.67 MB, free: 3.887 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 0.0008419/0.0008419, allocations: 170 kB / 23.95 MB, free: 0.6094 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 0.871/0.871, allocations: 177.1 MB / 204.3 MB, free: 5.723 MB / 186.7 MB " [Timeout remaining time 179] 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: "" <> buildModelFMU(Modelica.Mechanics.Translational.Examples.Brake,fileNamePrefix="Modelica_4_1_0_Modelica_Mechanics_Translational_Examples_Brake",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Mechanics.Translational.Examples.Brake,fileNamePrefix="Modelica_4_1_0_Modelica_Mechanics_Translational_Examples_Brake",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.214e-06/2.214e-06, allocations: 0 / 324.5 MB, free: 15.95 MB / 298.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.993e-05/2.214e-05, allocations: 2.281 kB / 324.5 MB, free: 15.95 MB / 298.7 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.Translational.Examples.Brake): time 0.003247/0.003269, allocations: 2.433 MB / 327 MB, free: 13.5 MB / 298.7 MB Notification: Performance of NFInst.instExpressions: time 0.0009062/0.004175, allocations: 0.581 MB / 327.6 MB, free: 12.92 MB / 298.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001161/0.004291, allocations: 4 kB / 327.6 MB, free: 12.92 MB / 298.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0002826/0.004574, allocations: 67.42 kB / 327.6 MB, free: 12.85 MB / 298.7 MB Notification: Performance of NFTyping.typeBindings: time 0.0002843/0.004858, allocations: 139 kB / 327.8 MB, free: 12.71 MB / 298.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.000272/0.00513, allocations: 175.6 kB / 327.9 MB, free: 12.54 MB / 298.7 MB Notification: Performance of NFFlatten.flatten: time 0.0004375/0.005568, allocations: 0.5185 MB / 328.5 MB, free: 12.02 MB / 298.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001552/0.005723, allocations: 53.48 kB / 328.5 MB, free: 11.97 MB / 298.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0002994/0.006022, allocations: 311.5 kB / 328.8 MB, free: 11.67 MB / 298.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002739/0.006296, allocations: 215.5 kB / 329 MB, free: 11.46 MB / 298.7 MB Notification: Performance of NFPackage.collectConstants: time 6.571e-05/0.006362, allocations: 44 kB / 329.1 MB, free: 11.41 MB / 298.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001531/0.006515, allocations: 87.92 kB / 329.2 MB, free: 11.33 MB / 298.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0001468/0.006662, allocations: 119.6 kB / 329.3 MB, free: 11.21 MB / 298.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0001307/0.006792, allocations: 143.7 kB / 329.4 MB, free: 11.07 MB / 298.7 MB Notification: Performance of NFConvertDAE.convert: time 0.0005478/0.00734, allocations: 0.5414 MB / 330 MB, free: 10.53 MB / 298.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.148e-06/0.007344, allocations: 0 / 330 MB, free: 10.53 MB / 298.7 MB Notification: Performance of FrontEnd: time 1.523e-06/0.007346, allocations: 0 / 330 MB, free: 10.53 MB / 298.7 MB Notification: Performance of Transformations before backend: time 6.071e-06/0.007352, allocations: 0 / 330 MB, free: 10.53 MB / 298.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 73 * Number of variables: 73 Notification: Performance of Generate backend data structure: time 0.001082/0.008434, allocations: 0.6364 MB / 330.6 MB, free: 9.859 MB / 298.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.553e-05/0.008479, allocations: 8.031 kB / 330.6 MB, free: 9.852 MB / 298.7 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.648e-05/0.008556, allocations: 66.73 kB / 330.7 MB, free: 9.777 MB / 298.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 8.065e-05/0.008636, allocations: 40.69 kB / 330.7 MB, free: 9.738 MB / 298.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006626/0.009299, allocations: 253 kB / 330.9 MB, free: 9.465 MB / 298.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.27e-05/0.009332, allocations: 25.03 kB / 331 MB, free: 9.441 MB / 298.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 6.113e-05/0.009393, allocations: 28.38 kB / 331 MB, free: 9.414 MB / 298.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006071/0.01, allocations: 374.5 kB / 331.4 MB, free: 9.039 MB / 298.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.991e-05/0.01002, allocations: 8.125 kB / 331.4 MB, free: 9.031 MB / 298.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.41e-05/0.01005, allocations: 12.38 kB / 331.4 MB, free: 9.02 MB / 298.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.046e-05/0.01006, allocations: 12.12 kB / 331.4 MB, free: 9.008 MB / 298.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006561/0.01072, allocations: 386.3 kB / 331.8 MB, free: 8.633 MB / 298.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001604/0.01232, allocations: 0.9872 MB / 332.8 MB, free: 7.578 MB / 298.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006249/0.01295, allocations: 325.4 kB / 333.1 MB, free: 7.25 MB / 298.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002299/0.01318, allocations: 168.8 kB / 333.2 MB, free: 7.082 MB / 298.7 MB Notification: Performance of preOpt evalFunc (simulation): time 3.646e-05/0.01322, allocations: 12 kB / 333.3 MB, free: 7.07 MB / 298.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.36e-05/0.01324, allocations: 34.56 kB / 333.3 MB, free: 7.027 MB / 298.7 MB Notification: Performance of pre-optimization done (n=43): time 2.495e-06/0.01324, allocations: 3.938 kB / 333.3 MB, free: 7.023 MB / 298.7 MB Notification: Performance of matching and sorting (n=49): time 0.002782/0.01602, allocations: 1.72 MB / 335 MB, free: 5.238 MB / 298.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.529e-05/0.01606, allocations: 55.91 kB / 335.1 MB, free: 5.172 MB / 298.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002055/0.01626, allocations: 257.9 kB / 335.3 MB, free: 4.914 MB / 298.7 MB Notification: Performance of collectPreVariables (initialization): time 3.539e-05/0.0163, allocations: 41.7 kB / 335.4 MB, free: 4.867 MB / 298.7 MB Notification: Performance of collectInitialEqns (initialization): time 7.905e-05/0.01638, allocations: 153.1 kB / 335.5 MB, free: 4.711 MB / 298.7 MB Notification: Performance of collectInitialBindings (initialization): time 8.958e-05/0.01647, allocations: 174.6 kB / 335.7 MB, free: 4.539 MB / 298.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001041/0.01657, allocations: 98.3 kB / 335.8 MB, free: 4.438 MB / 298.7 MB Notification: Performance of setup shared object (initialization): time 8.516e-05/0.01666, allocations: 342.8 kB / 336.1 MB, free: 4.094 MB / 298.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002331/0.01689, allocations: 189.2 kB / 336.3 MB, free: 3.91 MB / 298.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002685/0.01716, allocations: 265.8 kB / 336.6 MB, free: 3.621 MB / 298.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003912/0.01755, allocations: 358.6 kB / 336.9 MB, free: 3.25 MB / 298.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.874e-06/0.01755, allocations: 4 kB / 336.9 MB, free: 3.246 MB / 298.7 MB Notification: Performance of matching and sorting (n=64) (initialization): time 0.0007143/0.01827, allocations: 0.6121 MB / 337.5 MB, free: 2.617 MB / 298.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.72e-05/0.01828, allocations: 8 kB / 337.5 MB, free: 2.609 MB / 298.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.62e-06/0.01829, allocations: 0 / 337.5 MB, free: 2.609 MB / 298.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004668/0.01876, allocations: 345.6 kB / 337.9 MB, free: 2.266 MB / 298.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001503/0.01891, allocations: 67.91 kB / 337.9 MB, free: 2.199 MB / 298.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008088/0.01972, allocations: 1.362 MB / 339.3 MB, free: 0.7812 MB / 298.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002089/0.01992, allocations: 67.91 kB / 339.4 MB, free: 0.7148 MB / 298.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.431e-05/0.01995, allocations: 19.98 kB / 339.4 MB, free: 0.6953 MB / 298.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 16 (brake1.mode,$PRE.brake1.mode,brake1.locked,brake1.startBackward,$PRE.brake1.startBackward,brake1.startForward,$PRE.brake1.startForward,brake1.free,brake.mode,$PRE.brake.mode,brake.locked,brake.startBackward,$PRE.brake.startBackward,brake.startForward,$PRE.brake.startForward,brake.free) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (47): * Single equations (assignments): 45 * 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 {(1,9), (1,8)} Notification: Performance of prepare postOptimizeDAE: time 0.0001338/0.02008, allocations: 174.6 kB / 339.6 MB, free: 0.5156 MB / 298.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.626e-05/0.02013, allocations: 31.81 kB / 339.6 MB, free: 496 kB / 298.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.589e-05/0.02019, allocations: 59.48 kB / 339.6 MB, free: 436 kB / 298.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.669e-06/0.0202, allocations: 11.94 kB / 339.7 MB, free: 424 kB / 298.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.661e-06/0.02021, allocations: 0 / 339.7 MB, free: 424 kB / 298.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.666e-06/0.02021, allocations: 0 / 339.7 MB, free: 424 kB / 298.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00157/0.02178, allocations: 1.24 MB / 340.9 MB, free: 15.1 MB / 314.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.877e-06/0.02178, allocations: 4 kB / 340.9 MB, free: 15.1 MB / 314.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001434/0.02193, allocations: 55.91 kB / 341 MB, free: 15.04 MB / 314.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003574/0.02228, allocations: 309.7 kB / 341.3 MB, free: 14.73 MB / 314.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.722e-05/0.02231, allocations: 15.98 kB / 341.3 MB, free: 14.72 MB / 314.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007187/0.02303, allocations: 1.315 MB / 342.6 MB, free: 13.35 MB / 314.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.546e-06/0.02303, allocations: 11.95 kB / 342.6 MB, free: 13.34 MB / 314.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001024/0.02406, allocations: 0.893 MB / 343.5 MB, free: 12.41 MB / 314.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001238/0.02418, allocations: 79.73 kB / 343.6 MB, free: 12.34 MB / 314.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.937e-05/0.02423, allocations: 19.98 kB / 343.6 MB, free: 12.32 MB / 314.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001458/0.02438, allocations: 40.03 kB / 343.6 MB, free: 12.28 MB / 314.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001231/0.0245, allocations: 95.69 kB / 343.7 MB, free: 12.18 MB / 314.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.241e-05/0.02452, allocations: 19.98 kB / 343.7 MB, free: 12.16 MB / 314.7 MB Notification: Performance of sorting global known variables: time 0.0001163/0.02464, allocations: 185.2 kB / 343.9 MB, free: 11.98 MB / 314.7 MB Notification: Performance of sort global known variables: time 5e-08/0.02464, allocations: 0 / 343.9 MB, free: 11.98 MB / 314.7 MB Notification: Performance of remove unused functions: time 0.0002703/0.02491, allocations: 100 kB / 344 MB, free: 11.88 MB / 314.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 4 (mass1.s,mass1.v,mass2.s,mass2.v) * Number of discrete variables: 10 (brake.free,brake.startForward,brake.startBackward,brake.locked,brake.mode,brake1.free,brake1.startForward,brake1.startBackward,brake1.locked,brake1.mode) * Number of discrete states: 6 (brake1.mode,brake1.startForward,brake1.startBackward,brake.mode,brake.startForward,brake.startBackward) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (35): * Single equations (assignments): 33 * 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 {(1,7), (1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001762/0.02667, allocations: 1.748 MB / 345.8 MB, free: 10.24 MB / 314.7 MB Notification: Performance of simCode: created initialization part: time 0.0006338/0.0273, allocations: 466.1 kB / 346.2 MB, free: 9.785 MB / 314.7 MB Notification: Performance of simCode: created event and clocks part: time 1.874e-06/0.0273, allocations: 0 / 346.2 MB, free: 9.785 MB / 314.7 MB Notification: Performance of simCode: created simulation system equations: time 0.000346/0.02765, allocations: 284.2 kB / 346.5 MB, free: 9.508 MB / 314.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000325/0.02798, allocations: 68.34 kB / 346.6 MB, free: 9.441 MB / 314.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004127/0.0321, allocations: 3.978 MB / 350.5 MB, free: 5.297 MB / 314.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001193/0.03222, allocations: 185.6 kB / 350.7 MB, free: 5.098 MB / 314.7 MB Notification: Performance of simCode: alias equations: time 9.376e-05/0.03232, allocations: 34.97 kB / 350.8 MB, free: 5.062 MB / 314.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001223/0.03244, allocations: 104.5 kB / 350.9 MB, free: 4.961 MB / 314.7 MB Notification: Performance of SimCode: time 5.51e-07/0.03244, allocations: 0 / 350.9 MB, free: 4.961 MB / 314.7 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02701/0.05945, allocations: 11.44 MB / 362.3 MB, free: 9.605 MB / 330.7 MB Notification: Performance of buildModelFMU: Generate platform static: time 7.885/7.944, allocations: 2.25 kB / 362.3 MB, free: 9.605 MB / 330.7 MB " [Timeout remaining time 652] (rm -f Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake.pipe ; mkfifo Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake.pipe ; head -c 1048576 < Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake.pipe >> ../files/Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake.sim & python3 -m fmpy simulate --output-file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv --start-time 0 --stop-time 2 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.001 Modelica_4_1_0_Modelica_Mechanics_Translational_Examples_Brake.fmu > Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake.pipe 2>&1) [Timeout 52.5] diffSimulationResults("Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Mechanics/Translational/Examples/Brake/Brake.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable brake.mode in file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv. Warning: Get data of variable brake.mode from file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv failed! Error: Could not read variable brake.startBackward in file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv. Warning: Get data of variable brake.startBackward from file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv failed! Error: Could not read variable brake.startForward in file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv. Warning: Get data of variable brake.startForward from file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv failed! Error: Could not read variable brake1.mode in file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv. Warning: Get data of variable brake1.mode from file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv failed! Error: Could not read variable brake1.startBackward in file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv. Warning: Get data of variable brake1.startBackward from file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv failed! Error: Could not read variable brake1.startForward in file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv. Warning: Get data of variable brake1.startForward from file Modelica_4.1.0_Modelica.Mechanics.Translational.Examples.Brake_res.csv failed! " [Timeout remaining time 660] "" Variables in the reference:time,mass1.s,mass1.v,mass2.s,mass2.v,brake.mode,brake.startBackward,brake.startForward,brake1.mode,brake1.startBackward,brake1.startForward Variables in the result:time,mass1.s,mass1.v,mass2.s,mass2.v [Calling sys.exit(0), Time elapsed: 9.765471092425287]