Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.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 0.001335/0.001335, allocations: 106.9 kB / 16.45 MB, free: 6.5 MB / 14.72 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 0.001399/0.001399, allocations: 212.9 kB / 19.43 MB, free: 3.656 MB / 14.72 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 1.416/1.416, allocations: 230.6 MB / 252.8 MB, free: 8.957 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.064/3.064, allocations: 0.49 GB / 0.7916 GB, free: 33.36 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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: "" <> buildModelFMU(Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate,fileNamePrefix="Buildings_12_Buildings_Fluid_Sensors_Examples_MoistAirEnthalpyFlowRate",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate,fileNamePrefix="Buildings_12_Buildings_Fluid_Sensors_Examples_MoistAirEnthalpyFlowRate",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001956/0.001956, allocations: 72.17 kB / 1.149 GB, free: 26.32 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3077/0.3097, allocations: 176.1 MB / 1.321 GB, free: 3.367 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate): time 0.2067/0.5164, allocations: 183 MB / 1.499 GB, free: 11.72 MB / 1.201 GB Notification: Performance of NFInst.instExpressions: time 0.01098/0.5274, allocations: 7.892 MB / 1.507 GB, free: 3.805 MB / 1.201 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006036/0.528, allocations: 27.81 kB / 1.507 GB, free: 3.777 MB / 1.201 GB Notification: Performance of NFTyping.typeComponents: time 0.0008291/0.5288, allocations: 250.1 kB / 1.507 GB, free: 3.531 MB / 1.201 GB Notification: Performance of NFTyping.typeBindings: time 0.003348/0.5321, allocations: 1.252 MB / 1.509 GB, free: 2.273 MB / 1.201 GB Notification: Performance of NFTyping.typeClassSections: time 0.001965/0.5341, allocations: 0.7435 MB / 1.509 GB, free: 1.531 MB / 1.201 GB Notification: Performance of NFFlatten.flatten: time 0.001531/0.5356, allocations: 1.068 MB / 1.51 GB, free: 472 kB / 1.201 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000672/0.5363, allocations: 349.2 kB / 1.511 GB, free: 112 kB / 1.201 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002932/0.5392, allocations: 1.008 MB / 1.512 GB, free: 15.11 MB / 1.217 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007692/0.54, allocations: 442.5 kB / 1.512 GB, free: 14.68 MB / 1.217 GB Notification: Performance of NFPackage.collectConstants: time 8.746e-05/0.5401, allocations: 43.94 kB / 1.512 GB, free: 14.63 MB / 1.217 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001763/0.5419, allocations: 0.9899 MB / 1.513 GB, free: 13.64 MB / 1.217 GB Notification: Performance of NFScalarize.scalarize: time 0.0002005/0.5421, allocations: 159.5 kB / 1.513 GB, free: 13.48 MB / 1.217 GB Notification: Performance of NFVerifyModel.verify: time 0.0003051/0.5424, allocations: 250.8 kB / 1.514 GB, free: 13.24 MB / 1.217 GB Notification: Performance of NFConvertDAE.convert: time 0.001726/0.5441, allocations: 0.9421 MB / 1.515 GB, free: 12.29 MB / 1.217 GB Notification: Performance of FrontEnd - DAE generated: time 3.657e-06/0.5441, allocations: 0 / 1.515 GB, free: 12.29 MB / 1.217 GB Notification: Performance of FrontEnd: time 1.413e-06/0.5441, allocations: 0 / 1.515 GB, free: 12.29 MB / 1.217 GB Notification: Performance of Transformations before backend: time 1.564e-05/0.5441, allocations: 0 / 1.515 GB, free: 12.29 MB / 1.217 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 93 * Number of variables: 93 Notification: Performance of Generate backend data structure: time 0.00137/0.5455, allocations: 0.825 MB / 1.515 GB, free: 11.42 MB / 1.217 GB Notification: Performance of prepare preOptimizeDAE: time 4.109e-05/0.5455, allocations: 15.98 kB / 1.515 GB, free: 11.4 MB / 1.217 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 8.869e-05/0.5456, allocations: 78.41 kB / 1.515 GB, free: 11.32 MB / 1.217 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009649/0.5466, allocations: 155.5 kB / 1.516 GB, free: 11.16 MB / 1.217 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006294/0.5472, allocations: 399.7 kB / 1.516 GB, free: 10.73 MB / 1.217 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.595e-05/0.5472, allocations: 33 kB / 1.516 GB, free: 10.7 MB / 1.217 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.206e-05/0.5473, allocations: 36 kB / 1.516 GB, free: 10.67 MB / 1.217 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007566/0.5481, allocations: 442.4 kB / 1.516 GB, free: 10.21 MB / 1.217 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.268e-05/0.5481, allocations: 3.984 kB / 1.516 GB, free: 10.21 MB / 1.217 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.553e-05/0.5481, allocations: 23.94 kB / 1.516 GB, free: 10.18 MB / 1.217 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.197e-05/0.5481, allocations: 8 kB / 1.516 GB, free: 10.18 MB / 1.217 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006475/0.5488, allocations: 323.7 kB / 1.517 GB, free: 9.859 MB / 1.217 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002419/0.5512, allocations: 2.02 MB / 1.519 GB, free: 7.668 MB / 1.217 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004361/0.5516, allocations: 226.3 kB / 1.519 GB, free: 7.438 MB / 1.217 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002728/0.5519, allocations: 136.8 kB / 1.519 GB, free: 7.301 MB / 1.217 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000638/0.5525, allocations: 307.2 kB / 1.519 GB, free: 6.945 MB / 1.217 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.853e-05/0.5526, allocations: 30.56 kB / 1.519 GB, free: 6.906 MB / 1.217 GB Notification: Performance of pre-optimization done (n=24): time 2.164e-06/0.5526, allocations: 0 / 1.519 GB, free: 6.906 MB / 1.217 GB Notification: Performance of matching and sorting (n=24): time 0.001102/0.5537, allocations: 467.4 kB / 1.52 GB, free: 6.445 MB / 1.217 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.484e-05/0.5537, allocations: 55.41 kB / 1.52 GB, free: 6.379 MB / 1.217 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000438/0.5541, allocations: 394 kB / 1.52 GB, free: 5.984 MB / 1.217 GB Notification: Performance of collectPreVariables (initialization): time 3.323e-05/0.5542, allocations: 29.7 kB / 1.52 GB, free: 5.949 MB / 1.217 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001749/0.5544, allocations: 228.6 kB / 1.521 GB, free: 5.723 MB / 1.217 GB Notification: Performance of collectInitialBindings (initialization): time 8.475e-05/0.5544, allocations: 95.2 kB / 1.521 GB, free: 5.629 MB / 1.217 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001057/0.5545, allocations: 57.7 kB / 1.521 GB, free: 5.566 MB / 1.217 GB Notification: Performance of setup shared object (initialization): time 0.0001616/0.5547, allocations: 354.7 kB / 1.521 GB, free: 5.211 MB / 1.217 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000247/0.555, allocations: 107.9 kB / 1.521 GB, free: 5.105 MB / 1.217 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003169/0.5553, allocations: 190.6 kB / 1.521 GB, free: 4.895 MB / 1.217 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000535/0.5558, allocations: 308 kB / 1.522 GB, free: 4.57 MB / 1.217 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.305e-06/0.5558, allocations: 0 / 1.522 GB, free: 4.57 MB / 1.217 GB Notification: Performance of matching and sorting (n=31) (initialization): time 0.0006852/0.5565, allocations: 367 kB / 1.522 GB, free: 4.207 MB / 1.217 GB Notification: Performance of prepare postOptimizeDAE: time 2.127e-05/0.5565, allocations: 11.98 kB / 1.522 GB, free: 4.195 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.48e-06/0.5565, allocations: 0 / 1.522 GB, free: 4.195 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.623e-05/0.5565, allocations: 4.219 kB / 1.522 GB, free: 4.191 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002935/0.5568, allocations: 63.91 kB / 1.522 GB, free: 4.129 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.766e-06/0.5568, allocations: 4 kB / 1.522 GB, free: 4.125 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002494/0.5571, allocations: 43.66 kB / 1.522 GB, free: 4.082 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.377e-05/0.5571, allocations: 8 kB / 1.522 GB, free: 4.074 MB / 1.217 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * 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 (31): * Single equations (assignments): 31 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001848/0.5573, allocations: 171.8 kB / 1.522 GB, free: 3.898 MB / 1.217 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.397e-05/0.5574, allocations: 43.72 kB / 1.522 GB, free: 3.855 MB / 1.217 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0007456/0.5581, allocations: 373 kB / 1.523 GB, free: 3.484 MB / 1.217 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.206e-06/0.5581, allocations: 0 / 1.523 GB, free: 3.484 MB / 1.217 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.101e-06/0.5581, allocations: 4 kB / 1.523 GB, free: 3.48 MB / 1.217 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.66e-06/0.5581, allocations: 3.984 kB / 1.523 GB, free: 3.477 MB / 1.217 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001529/0.5597, allocations: 0.9351 MB / 1.524 GB, free: 2.465 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.785e-06/0.5597, allocations: 0 / 1.524 GB, free: 2.465 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002527/0.5599, allocations: 43.92 kB / 1.524 GB, free: 2.422 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.312e-06/0.5599, allocations: 11.88 kB / 1.524 GB, free: 2.41 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.454e-05/0.56, allocations: 11.98 kB / 1.524 GB, free: 2.398 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.015e-05/0.56, allocations: 4.219 kB / 1.524 GB, free: 2.395 MB / 1.217 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.517e-06/0.56, allocations: 8 kB / 1.524 GB, free: 2.387 MB / 1.217 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009876/0.561, allocations: 0.6304 MB / 1.524 GB, free: 1.719 MB / 1.217 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001832/0.5611, allocations: 152.7 kB / 1.524 GB, free: 1.551 MB / 1.217 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.167e-05/0.5612, allocations: 7.938 kB / 1.524 GB, free: 1.543 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002225/0.5614, allocations: 15.98 kB / 1.524 GB, free: 1.527 MB / 1.217 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.618e-05/0.5615, allocations: 23.98 kB / 1.524 GB, free: 1.504 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.751e-05/0.5615, allocations: 8 kB / 1.524 GB, free: 1.496 MB / 1.217 GB Notification: Performance of sorting global known variables: time 0.0003115/0.5618, allocations: 287.1 kB / 1.525 GB, free: 1.219 MB / 1.217 GB Notification: Performance of sort global known variables: time 8e-08/0.5618, allocations: 0 / 1.525 GB, free: 1.219 MB / 1.217 GB Notification: Performance of remove unused functions: time 0.0004741/0.5623, allocations: 107.8 kB / 1.525 GB, free: 1.113 MB / 1.217 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 1 (senH.h_out) * 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 (24): * Single equations (assignments): 24 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001498/0.5638, allocations: 1.231 MB / 1.526 GB, free: 15.84 MB / 1.232 GB Notification: Performance of simCode: created initialization part: time 0.0006164/0.5644, allocations: 279.5 kB / 1.526 GB, free: 15.56 MB / 1.232 GB Notification: Performance of simCode: created event and clocks part: time 3.337e-06/0.5644, allocations: 0 / 1.526 GB, free: 15.56 MB / 1.232 GB Notification: Performance of simCode: created simulation system equations: time 0.0002968/0.5647, allocations: 142.1 kB / 1.526 GB, free: 15.43 MB / 1.232 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001061/0.5658, allocations: 218.8 kB / 1.527 GB, free: 15.22 MB / 1.232 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005215/0.571, allocations: 3.806 MB / 1.53 GB, free: 11.25 MB / 1.232 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00048/0.5715, allocations: 0.8272 MB / 1.531 GB, free: 10.39 MB / 1.232 GB Notification: Performance of simCode: alias equations: time 0.0002919/0.5717, allocations: 103.3 kB / 1.531 GB, free: 10.28 MB / 1.232 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002229/0.572, allocations: 143.3 kB / 1.531 GB, free: 10.14 MB / 1.232 GB Notification: Performance of SimCode: time 3.7e-07/0.572, allocations: 0 / 1.531 GB, free: 10.14 MB / 1.232 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04111/0.6131, allocations: 11.71 MB / 1.543 GB, free: 14.67 MB / 1.248 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.3/8.913, allocations: 8.047 kB / 1.543 GB, free: 14.66 MB / 1.248 GB " [Timeout remaining time 291] (rm -f Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.pipe ; mkfifo Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.pipe >> ../files/Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.sim & python3 -m fmpy simulate --output-file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv --start-time 0 --stop-time 60 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.024 Buildings_12_Buildings_Fluid_Sensors_Examples_MoistAirEnthalpyFlowRate.fmu > Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Sensors_Examples_MoistAirEnthalpyFlowRate.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "Error: Could not read variable senMasFlo.m_flow in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable senMasFlo.m_flow from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! Error: Could not read variable senH_flow.H_flow in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable senH_flow.H_flow from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! Error: Could not read variable senHSen_flow.H_flow in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable senHSen_flow.H_flow from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! Error: Could not read variable senHLat_flow.H_flow in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable senHLat_flow.H_flow from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! Error: Could not read variable pro.y in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable pro.y from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! Error: Could not read variable add.y in file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv. Warning: Get data of variable add.y from file Buildings_12_Buildings.Fluid.Sensors.Examples.MoistAirEnthalpyFlowRate_res.csv failed! " [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 15.241952054901049]