Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT.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 0.001489/0.001489, allocations: 103.6 kB / 18.95 MB, free: 2.66 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 0.00165/0.00165, allocations: 215.2 kB / 22.25 MB, free: 5.258 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 1.403/1.403, allocations: 230.6 MB / 256 MB, free: 7.789 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 3.012/3.012, allocations: 0.49 GB / 0.7951 GB, free: 35.41 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.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT,fileNamePrefix="Buildings_12_Buildings_HeatTransfer_Windows_BaseClasses_Validation_HeatCapacityVariableShadeDT",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT,fileNamePrefix="Buildings_12_Buildings_HeatTransfer_Windows_BaseClasses_Validation_HeatCapacityVariableShadeDT",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 0.001948/0.001948, allocations: 63.62 kB / 1.154 GB, free: 25.45 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3434/0.3454, allocations: 176.1 MB / 1.326 GB, free: 1.453 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT): time 0.003798/0.3492, allocations: 2.176 MB / 1.328 GB, free: 15.27 MB / 1.029 GB Notification: Performance of NFInst.instExpressions: time 0.001525/0.3507, allocations: 0.697 MB / 1.329 GB, free: 14.56 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001404/0.3508, allocations: 11.94 kB / 1.329 GB, free: 14.55 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.0004476/0.3513, allocations: 87.47 kB / 1.329 GB, free: 14.46 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.0001292/0.3514, allocations: 71.41 kB / 1.329 GB, free: 14.39 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 9.664e-05/0.3515, allocations: 39.95 kB / 1.329 GB, free: 14.36 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.0002597/0.3518, allocations: 203.1 kB / 1.329 GB, free: 14.16 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001838/0.3519, allocations: 54.59 kB / 1.329 GB, free: 14.1 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.000148/0.3521, allocations: 79.72 kB / 1.329 GB, free: 14.02 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001375/0.3522, allocations: 95.55 kB / 1.329 GB, free: 13.93 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 3.112e-05/0.3523, allocations: 19.94 kB / 1.329 GB, free: 13.91 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 3.405e-05/0.3523, allocations: 16 kB / 1.329 GB, free: 13.89 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 4.52e-05/0.3523, allocations: 43.78 kB / 1.329 GB, free: 13.85 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 8.198e-05/0.3524, allocations: 71.66 kB / 1.329 GB, free: 13.78 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.0002378/0.3527, allocations: 191.1 kB / 1.33 GB, free: 13.59 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 4.929e-06/0.3527, allocations: 0 / 1.33 GB, free: 13.59 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.824e-06/0.3527, allocations: 0 / 1.33 GB, free: 13.59 MB / 1.029 GB Notification: Performance of Transformations before backend: time 9.278e-06/0.3527, allocations: 0 / 1.33 GB, free: 13.59 MB / 1.029 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 37 * Number of variables: 37 Notification: Performance of Generate backend data structure: time 0.0007088/0.3534, allocations: 418.6 kB / 1.33 GB, free: 13.15 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 4.274e-05/0.3534, allocations: 8.031 kB / 1.33 GB, free: 13.14 MB / 1.029 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.14e-05/0.3535, allocations: 50.67 kB / 1.33 GB, free: 13.09 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 4.397e-05/0.3535, allocations: 24.8 kB / 1.33 GB, free: 13.06 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003911/0.3539, allocations: 196.4 kB / 1.33 GB, free: 12.85 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.55e-05/0.3539, allocations: 12.36 kB / 1.33 GB, free: 12.84 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.594e-05/0.354, allocations: 16.38 kB / 1.33 GB, free: 12.82 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003054/0.3543, allocations: 161.9 kB / 1.33 GB, free: 12.66 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.412e-05/0.3543, allocations: 0 / 1.33 GB, free: 12.66 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.56e-05/0.3543, allocations: 4 kB / 1.33 GB, free: 12.65 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.779e-06/0.3543, allocations: 4 kB / 1.33 GB, free: 12.65 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002864/0.3546, allocations: 107.9 kB / 1.331 GB, free: 12.54 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007654/0.3554, allocations: 451.2 kB / 1.331 GB, free: 12.06 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004306/0.3558, allocations: 150.8 kB / 1.331 GB, free: 11.9 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001612/0.356, allocations: 64.83 kB / 1.331 GB, free: 11.84 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 1.854e-05/0.356, allocations: 7.984 kB / 1.331 GB, free: 11.83 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.326e-05/0.356, allocations: 34.56 kB / 1.331 GB, free: 11.79 MB / 1.029 GB Notification: Performance of pre-optimization done (n=15): time 1.854e-06/0.356, allocations: 0 / 1.331 GB, free: 11.79 MB / 1.029 GB Notification: Performance of matching and sorting (n=15): time 0.0005143/0.3565, allocations: 195.7 kB / 1.331 GB, free: 11.59 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.467e-05/0.3566, allocations: 51.41 kB / 1.331 GB, free: 11.53 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000154/0.3567, allocations: 163.2 kB / 1.332 GB, free: 11.36 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 2.067e-05/0.3567, allocations: 29.69 kB / 1.332 GB, free: 11.32 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 8.055e-05/0.3568, allocations: 128.4 kB / 1.332 GB, free: 11.19 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 5.071e-05/0.3569, allocations: 55.48 kB / 1.332 GB, free: 11.14 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.513e-05/0.3569, allocations: 33.7 kB / 1.332 GB, free: 11.1 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001365/0.3571, allocations: 326.8 kB / 1.332 GB, free: 10.77 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000126/0.3572, allocations: 43.97 kB / 1.332 GB, free: 10.73 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001163/0.3573, allocations: 57.69 kB / 1.332 GB, free: 10.67 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00024/0.3575, allocations: 110.4 kB / 1.332 GB, free: 10.56 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.793e-06/0.3575, allocations: 0 / 1.332 GB, free: 10.56 MB / 1.029 GB Notification: Performance of matching and sorting (n=18) (initialization): time 0.0003149/0.3579, allocations: 169.4 kB / 1.333 GB, free: 10.39 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.427e-05/0.3579, allocations: 5.875 kB / 1.333 GB, free: 10.39 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.909e-06/0.3579, allocations: 0 / 1.333 GB, free: 10.39 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.722e-05/0.3579, allocations: 4 kB / 1.333 GB, free: 10.38 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001576/0.3581, allocations: 39.92 kB / 1.333 GB, free: 10.34 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.528e-06/0.3581, allocations: 7.969 kB / 1.333 GB, free: 10.34 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 8.414e-05/0.3581, allocations: 19.89 kB / 1.333 GB, free: 10.32 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.367e-06/0.3582, allocations: 4 kB / 1.333 GB, free: 10.31 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * 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 (18): * Single equations (assignments): 18 * 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 0.0001006/0.3583, allocations: 125.7 kB / 1.333 GB, free: 10.18 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.503e-05/0.3583, allocations: 11.95 kB / 1.333 GB, free: 10.17 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.406e-05/0.3583, allocations: 25.45 kB / 1.333 GB, free: 10.14 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.044e-06/0.3584, allocations: 0 / 1.333 GB, free: 10.14 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.18e-06/0.3584, allocations: 0 / 1.333 GB, free: 10.14 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.402e-06/0.3584, allocations: 7.984 kB / 1.333 GB, free: 10.13 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002768/0.3586, allocations: 216.5 kB / 1.333 GB, free: 9.875 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.032e-06/0.3586, allocations: 0 / 1.333 GB, free: 9.875 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001971/0.3588, allocations: 43.97 kB / 1.333 GB, free: 9.832 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.024e-06/0.3588, allocations: 3.938 kB / 1.333 GB, free: 9.828 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.292e-05/0.3589, allocations: 4 kB / 1.333 GB, free: 9.824 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.403e-06/0.3589, allocations: 0 / 1.333 GB, free: 9.824 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.52e-07/0.3589, allocations: 0 / 1.333 GB, free: 9.824 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005102/0.3594, allocations: 319.2 kB / 1.333 GB, free: 9.496 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 5.286e-05/0.3594, allocations: 31.88 kB / 1.333 GB, free: 9.465 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.358e-05/0.3594, allocations: 4 kB / 1.333 GB, free: 9.461 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001029/0.3595, allocations: 4 kB / 1.333 GB, free: 9.457 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.692e-05/0.3596, allocations: 11.97 kB / 1.333 GB, free: 9.445 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.568e-06/0.3596, allocations: 8 kB / 1.333 GB, free: 9.438 MB / 1.029 GB Notification: Performance of sorting global known variables: time 8.663e-05/0.3597, allocations: 112 kB / 1.334 GB, free: 9.328 MB / 1.029 GB Notification: Performance of sort global known variables: time 8e-08/0.3597, allocations: 0 / 1.334 GB, free: 9.328 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.0002503/0.3599, allocations: 43.89 kB / 1.334 GB, free: 9.285 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 3 (heaCapGla.TUns,heaCapGla.TSha,heaCapSha.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 (15): * Single equations (assignments): 15 * 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 0.0008082/0.3607, allocations: 0.8586 MB / 1.334 GB, free: 8.402 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.0003065/0.3611, allocations: 119.9 kB / 1.335 GB, free: 8.285 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 2.024e-06/0.3611, allocations: 0 / 1.335 GB, free: 8.285 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0001335/0.3612, allocations: 55.97 kB / 1.335 GB, free: 8.23 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003226/0.3615, allocations: 31.92 kB / 1.335 GB, free: 8.199 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002588/0.3641, allocations: 2.109 MB / 1.337 GB, free: 6.016 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000115/0.3642, allocations: 120.2 kB / 1.337 GB, free: 5.875 MB / 1.029 GB Notification: Performance of simCode: alias equations: time 5.793e-05/0.3643, allocations: 9.484 kB / 1.337 GB, free: 5.867 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.295e-05/0.3644, allocations: 59.42 kB / 1.337 GB, free: 5.809 MB / 1.029 GB Notification: Performance of SimCode: time 4.41e-07/0.3644, allocations: 0 / 1.337 GB, free: 5.809 MB / 1.029 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03227/0.3966, allocations: 4.06 MB / 1.341 GB, free: 1.914 MB / 1.029 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.67/11.07, allocations: 14.69 kB / 1.341 GB, free: 1.906 MB / 1.029 GB " [Timeout remaining time 289] (rm -f Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT.pipe ; mkfifo Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT.pipe ; head -c 1048576 < Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT.pipe >> ../files/Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT.sim & python3 -m fmpy simulate --output-file Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT_res.csv --start-time 0 --stop-time 600 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.24 Buildings_12_Buildings_HeatTransfer_Windows_BaseClasses_Validation_HeatCapacityVariableShadeDT.fmu > Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_HeatTransfer_Windows_BaseClasses_Validation_HeatCapacityVariableShadeDT.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "Error: Could not read variable heaCapGla.portSha.T in file Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT_res.csv. Warning: Get data of variable heaCapGla.portSha.T from file Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT_res.csv failed! Error: Could not read variable heaCapGla.portUns.T in file Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT_res.csv. Warning: Get data of variable heaCapGla.portUns.T from file Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT_res.csv failed! Error: Could not read variable heaCapGla.portSha.Q_flow in file Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT_res.csv. Warning: Get data of variable heaCapGla.portSha.Q_flow from file Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT_res.csv failed! Error: Could not read variable heaCapGla.portUns.Q_flow in file Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT_res.csv. Warning: Get data of variable heaCapGla.portUns.Q_flow from file Buildings_12_Buildings.HeatTransfer.Windows.BaseClasses.Validation.HeatCapacityVariableShadeDT_res.csv failed! " [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 17.478079348016763]