Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut.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 0.0008129/0.0008129, allocations: 76.08 kB / 20.67 MB, free: 3.895 MB / 18.57 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 0.0007321/0.0007321, allocations: 153.1 kB / 23.93 MB, free: 0.6328 MB / 18.57 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 0.8987/0.8987, allocations: 173.3 MB / 200.4 MB, free: 9.445 MB / 186.7 MB " [Timeout remaining time 179] 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: "" <> buildModelFMU(Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut,fileNamePrefix="Modelica_4_0_0_Modelica_Thermal_FluidHeatFlow_Examples_ParallelPumpDropOut",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut,fileNamePrefix="Modelica_4_0_0_Modelica_Thermal_FluidHeatFlow_Examples_ParallelPumpDropOut",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.445e-06/2.445e-06, allocations: 0 / 318.4 MB, free: 6.371 MB / 282.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.938e-05/2.182e-05, allocations: 2.281 kB / 318.4 MB, free: 6.367 MB / 282.7 MB Notification: Performance of NFInst.instantiate(Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut): time 0.003877/0.003899, allocations: 4.639 MB / 323.1 MB, free: 1.703 MB / 282.7 MB Notification: Performance of NFInst.instExpressions: time 0.001414/0.005313, allocations: 1.285 MB / 324.4 MB, free: 420 kB / 282.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.000218/0.005531, allocations: 11.94 kB / 324.4 MB, free: 408 kB / 282.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0003191/0.00585, allocations: 170.4 kB / 324.5 MB, free: 236 kB / 282.7 MB Notification: Performance of NFTyping.typeBindings: time 0.0004459/0.006296, allocations: 372.8 kB / 324.9 MB, free: 15.86 MB / 298.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.0002994/0.006595, allocations: 239.6 kB / 325.1 MB, free: 15.63 MB / 298.7 MB Notification: Performance of NFFlatten.flatten: time 0.0008064/0.007402, allocations: 1.277 MB / 326.4 MB, free: 14.34 MB / 298.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0002811/0.007683, allocations: 226.7 kB / 326.6 MB, free: 14.11 MB / 298.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0007706/0.008454, allocations: 0.7055 MB / 327.3 MB, free: 13.4 MB / 298.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003283/0.008782, allocations: 398.9 kB / 327.7 MB, free: 13.01 MB / 298.7 MB Notification: Performance of NFPackage.collectConstants: time 9.649e-05/0.008878, allocations: 112 kB / 327.8 MB, free: 12.9 MB / 298.7 MB Notification: Performance of NFFlatten.collectFunctions: time 9.948e-05/0.008978, allocations: 108 kB / 327.9 MB, free: 12.8 MB / 298.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0001181/0.009096, allocations: 243.1 kB / 328.2 MB, free: 12.56 MB / 298.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0002575/0.009353, allocations: 399.1 kB / 328.6 MB, free: 12.17 MB / 298.7 MB Notification: Performance of NFConvertDAE.convert: time 0.0008098/0.01016, allocations: 1.305 MB / 329.9 MB, free: 10.86 MB / 298.7 MB Notification: Performance of FrontEnd - DAE generated: time 2.926e-06/0.01017, allocations: 0 / 329.9 MB, free: 10.86 MB / 298.7 MB Notification: Performance of FrontEnd: time 1.674e-06/0.01017, allocations: 0 / 329.9 MB, free: 10.86 MB / 298.7 MB Notification: Performance of Transformations before backend: time 1.14e-05/0.01018, allocations: 0 / 329.9 MB, free: 10.86 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: 149 * Number of variables: 149 Notification: Performance of Generate backend data structure: time 0.001476/0.01166, allocations: 1.33 MB / 331.2 MB, free: 9.48 MB / 298.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.891e-05/0.01169, allocations: 12.92 kB / 331.2 MB, free: 9.469 MB / 298.7 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001494/0.01184, allocations: 123.9 kB / 331.3 MB, free: 9.336 MB / 298.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001323/0.01198, allocations: 128.2 kB / 331.5 MB, free: 9.211 MB / 298.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006956/0.01267, allocations: 0.5421 MB / 332 MB, free: 8.645 MB / 298.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000187/0.01286, allocations: 301.2 kB / 332.3 MB, free: 8.297 MB / 298.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.569e-05/0.01293, allocations: 64.38 kB / 332.4 MB, free: 8.234 MB / 298.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001599/0.01453, allocations: 1.667 MB / 334 MB, free: 6.281 MB / 298.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.756e-05/0.01455, allocations: 4.188 kB / 334 MB, free: 6.277 MB / 298.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.177e-05/0.0146, allocations: 35.94 kB / 334.1 MB, free: 6.242 MB / 298.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.046e-05/0.01461, allocations: 19.94 kB / 334.1 MB, free: 6.223 MB / 298.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008821/0.0155, allocations: 0.6258 MB / 334.7 MB, free: 5.598 MB / 298.7 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 0.00227/0.01777, allocations: 1.736 MB / 336.4 MB, free: 3.812 MB / 298.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00102/0.01878, allocations: 0.7315 MB / 337.2 MB, free: 3.074 MB / 298.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004967/0.01928, allocations: 383.2 kB / 337.6 MB, free: 2.695 MB / 298.7 MB Notification: Performance of preOpt evalFunc (simulation): time 4.175e-05/0.01932, allocations: 18.5 kB / 337.6 MB, free: 2.68 MB / 298.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.849e-05/0.01935, allocations: 47.22 kB / 337.6 MB, free: 2.621 MB / 298.7 MB Notification: Performance of pre-optimization done (n=77): time 1.853e-06/0.01935, allocations: 0 / 337.6 MB, free: 2.621 MB / 298.7 MB Notification: Performance of matching and sorting (n=77): time 0.002712/0.02207, allocations: 1.515 MB / 339.1 MB, free: 1.09 MB / 298.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002464/0.02231, allocations: 0.8234 MB / 340 MB, free: 72 kB / 298.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005342/0.02285, allocations: 0.6685 MB / 340.6 MB, free: 15.39 MB / 314.7 MB Notification: Performance of collectPreVariables (initialization): time 4.843e-05/0.0229, allocations: 45.7 kB / 340.7 MB, free: 15.34 MB / 314.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004677/0.02336, allocations: 369.3 kB / 341 MB, free: 14.97 MB / 314.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001391/0.0235, allocations: 277.5 kB / 341.3 MB, free: 14.7 MB / 314.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000152/0.02365, allocations: 154.6 kB / 341.4 MB, free: 14.54 MB / 314.7 MB Notification: Performance of setup shared object (initialization): time 8.368e-05/0.02374, allocations: 330 kB / 341.8 MB, free: 14.21 MB / 314.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004278/0.02417, allocations: 359 kB / 342.1 MB, free: 13.84 MB / 314.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007721/0.02494, allocations: 1.414 MB / 343.5 MB, free: 12.12 MB / 314.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008269/0.02576, allocations: 0.6974 MB / 344.2 MB, free: 11.39 MB / 314.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.105e-06/0.02577, allocations: 0 / 344.2 MB, free: 11.39 MB / 314.7 MB Notification: Performance of matching and sorting (n=89) (initialization): time 0.001483/0.02725, allocations: 1.197 MB / 345.4 MB, free: 10.14 MB / 314.7 MB Notification: Performance of prepare postOptimizeDAE: time 5.124e-05/0.0273, allocations: 89.09 kB / 345.5 MB, free: 10.04 MB / 314.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.085e-06/0.02731, allocations: 3.938 kB / 345.5 MB, free: 10.04 MB / 314.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004491/0.02776, allocations: 239.1 kB / 345.8 MB, free: 9.789 MB / 314.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003238/0.02808, allocations: 147.8 kB / 345.9 MB, free: 9.645 MB / 314.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004913/0.033, allocations: 6.471 MB / 352.4 MB, free: 2.715 MB / 314.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004095/0.03341, allocations: 99.55 kB / 352.5 MB, free: 2.617 MB / 314.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.17e-05/0.03345, allocations: 27.98 kB / 352.5 MB, free: 2.59 MB / 314.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * 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 (73): * Single equations (assignments): 66 * Array equations: 0 * Algorithm blocks: 3 * 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 {(3,3), (1,3), (1,7), (1,1)} Notification: Performance of prepare postOptimizeDAE: time 0.0002506/0.0337, allocations: 225.7 kB / 352.7 MB, free: 2.359 MB / 314.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.466e-05/0.03379, allocations: 99.44 kB / 352.8 MB, free: 2.262 MB / 314.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001069/0.0339, allocations: 96.52 kB / 352.9 MB, free: 2.164 MB / 314.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.206e-06/0.0339, allocations: 8 kB / 352.9 MB, free: 2.156 MB / 314.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.754e-06/0.03391, allocations: 0 / 352.9 MB, free: 2.156 MB / 314.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001504/0.03541, allocations: 1.26 MB / 354.2 MB, free: 0.7812 MB / 314.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002279/0.03769, allocations: 1.802 MB / 356 MB, free: 14.91 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.206e-06/0.0377, allocations: 0 / 356 MB, free: 14.91 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003816/0.03808, allocations: 143.8 kB / 356.1 MB, free: 14.77 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003376/0.03842, allocations: 202.5 kB / 356.3 MB, free: 14.56 MB / 330.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.637e-05/0.03845, allocations: 15.98 kB / 356.3 MB, free: 14.55 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004035/0.04249, allocations: 4.996 MB / 361.3 MB, free: 9.215 MB / 330.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.332e-06/0.04249, allocations: 3.938 kB / 361.3 MB, free: 9.211 MB / 330.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001922/0.04441, allocations: 1.435 MB / 362.8 MB, free: 7.754 MB / 330.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002288/0.04464, allocations: 175.2 kB / 362.9 MB, free: 7.582 MB / 330.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.931e-05/0.0447, allocations: 19.94 kB / 363 MB, free: 7.562 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003242/0.04502, allocations: 55.95 kB / 363 MB, free: 7.508 MB / 330.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001225/0.04515, allocations: 64.53 kB / 363.1 MB, free: 7.441 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.679e-05/0.04517, allocations: 23.98 kB / 363.1 MB, free: 7.418 MB / 330.7 MB Notification: Performance of sorting global known variables: time 0.0003789/0.04555, allocations: 475 kB / 363.6 MB, free: 6.957 MB / 330.7 MB Notification: Performance of sort global known variables: time 5e-08/0.04555, allocations: 0 / 363.6 MB, free: 6.957 MB / 330.7 MB Notification: Performance of remove unused functions: time 0.000578/0.04613, allocations: 299.6 kB / 363.9 MB, free: 6.664 MB / 330.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 5 (pipe1.T,pipe2.T,pipe3.T,heatCapacitor1.T,heatCapacitor2.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 (65): * Single equations (assignments): 62 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * 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): 3 systems {(1,3), (1,3), (1,6)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002192/0.04832, allocations: 2.021 MB / 365.9 MB, free: 4.605 MB / 330.7 MB Notification: Performance of simCode: created initialization part: time 0.001351/0.04967, allocations: 1.427 MB / 367.3 MB, free: 3.07 MB / 330.7 MB Notification: Performance of simCode: created event and clocks part: time 2.374e-06/0.04967, allocations: 0 / 367.3 MB, free: 3.07 MB / 330.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0009911/0.05067, allocations: 0.7574 MB / 368.1 MB, free: 2.273 MB / 330.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000616/0.05128, allocations: 242.9 kB / 368.3 MB, free: 2.039 MB / 330.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008589/0.05987, allocations: 8.081 MB / 376.4 MB, free: 9.703 MB / 346.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002581/0.06013, allocations: 367.6 kB / 376.7 MB, free: 9.32 MB / 346.7 MB Notification: Performance of simCode: alias equations: time 0.0003033/0.06043, allocations: 106.7 kB / 376.8 MB, free: 9.211 MB / 346.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003085/0.06074, allocations: 316.4 kB / 377.2 MB, free: 8.902 MB / 346.7 MB Notification: Performance of SimCode: time 1.472e-06/0.06074, allocations: 0 / 377.2 MB, free: 8.902 MB / 346.7 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04407/0.1048, allocations: 28.98 MB / 406.1 MB, free: 12.37 MB / 378.7 MB Notification: Performance of buildModelFMU: Generate platform static: time 8.496/8.601, allocations: 19.12 kB / 406.1 MB, free: 12.35 MB / 378.7 MB " [Timeout remaining time 651] (rm -f Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut.pipe ; mkfifo Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut.pipe >> ../files/Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut.sim & python3 -m fmpy simulate --output-file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_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_0_0_Modelica_Thermal_FluidHeatFlow_Examples_ParallelPumpDropOut.fmu > Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut.pipe 2>&1) [Timeout 52.5] diffSimulationResults("Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/Modelica/Thermal/FluidHeatFlow/Examples/ParallelPumpDropOut/ParallelPumpDropOut.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "Error: Could not read variable heatCapacitor1.T in file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv. Warning: Get data of variable heatCapacitor1.T from file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv failed! Error: Could not read variable heatCapacitor2.T in file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv. Warning: Get data of variable heatCapacitor2.T from file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv failed! Error: Could not read variable pipe1.T in file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv. Warning: Get data of variable pipe1.T from file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv failed! Error: Could not read variable pipe2.T in file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv. Warning: Get data of variable pipe2.T from file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv failed! Error: Could not read variable pipe3.T in file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv. Warning: Get data of variable pipe3.T from file Modelica_4.0.0_Modelica.Thermal.FluidHeatFlow.Examples.ParallelPumpDropOut_res.csv failed! " [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 10.413128105923533]