Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides.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 0.001394/0.001394, allocations: 109.6 kB / 16.46 MB, free: 6.453 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 0.001477/0.001477, allocations: 216.2 kB / 19.43 MB, free: 3.625 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 1.501/1.501, allocations: 230.6 MB / 252.8 MB, free: 8.945 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 3.233/3.233, allocations: 0.49 GB / 0.7916 GB, free: 33.35 MB / 0.6231 GB
"
[Timeout remaining time 176]
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.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides,fileNamePrefix="Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanVVF_Subsequences_Validation_Overrides",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides,fileNamePrefix="Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanVVF_Subsequences_Validation_Overrides",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 0.002039/0.002039, allocations: 68.05 kB / 1.149 GB, free: 26.35 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3622/0.3642, allocations: 176.1 MB / 1.321 GB, free: 3.332 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides): time 0.003302/0.3675, allocations: 1.357 MB / 1.322 GB, free: 1.973 MB / 1.014 GB
Notification: Performance of NFInst.instExpressions: time 0.0024/0.3699, allocations: 1.354 MB / 1.323 GB, free: 0.6055 MB / 1.014 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0002852/0.3702, allocations: 4 kB / 1.323 GB, free: 0.6016 MB / 1.014 GB
Notification: Performance of NFTyping.typeComponents: time 0.0001405/0.3704, allocations: 35.53 kB / 1.324 GB, free: 0.5664 MB / 1.014 GB
Notification: Performance of NFTyping.typeBindings: time 0.000235/0.3706, allocations: 39.59 kB / 1.324 GB, free: 0.5273 MB / 1.014 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0007863/0.3714, allocations: 222.7 kB / 1.324 GB, free: 320 kB / 1.014 GB
Notification: Performance of NFFlatten.flatten: time 0.0006227/0.372, allocations: 384.2 kB / 1.324 GB, free: 15.94 MB / 1.029 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0003327/0.3724, allocations: 125 kB / 1.324 GB, free: 15.81 MB / 1.029 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0002859/0.3726, allocations: 159.5 kB / 1.324 GB, free: 15.65 MB / 1.029 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0002871/0.3729, allocations: 175.2 kB / 1.325 GB, free: 15.48 MB / 1.029 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001091/0.373, allocations: 40 kB / 1.325 GB, free: 15.44 MB / 1.029 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0001242/0.3732, allocations: 51.98 kB / 1.325 GB, free: 15.39 MB / 1.029 GB
Notification: Performance of NFScalarize.scalarize: time 0.0001366/0.3733, allocations: 75.77 kB / 1.325 GB, free: 15.32 MB / 1.029 GB
Notification: Performance of NFVerifyModel.verify: time 0.0002028/0.3735, allocations: 167.1 kB / 1.325 GB, free: 15.15 MB / 1.029 GB
Notification: Performance of NFConvertDAE.convert: time 0.0006637/0.3742, allocations: 478.3 kB / 1.325 GB, free: 14.68 MB / 1.029 GB
Notification: Performance of FrontEnd - DAE generated: time 4.609e-06/0.3742, allocations: 4 kB / 1.325 GB, free: 14.68 MB / 1.029 GB
Notification: Performance of FrontEnd: time 1.733e-06/0.3742, allocations: 0 / 1.325 GB, free: 14.68 MB / 1.029 GB
Notification: Performance of Transformations before backend: time 1.458e-05/0.3742, allocations: 0 / 1.325 GB, free: 14.68 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: 70
 * Number of variables: 70
Notification: Performance of Generate backend data structure: time 0.001409/0.3756, allocations: 0.6484 MB / 1.326 GB, free: 13.97 MB / 1.029 GB
Notification: Performance of prepare preOptimizeDAE: time 4.533e-05/0.3756, allocations: 11.98 kB / 1.326 GB, free: 13.96 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 8.88e-05/0.3757, allocations: 62.72 kB / 1.326 GB, free: 13.89 MB / 1.029 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 9.832e-05/0.3758, allocations: 40.75 kB / 1.326 GB, free: 13.85 MB / 1.029 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001009/0.3768, allocations: 360.4 kB / 1.326 GB, free: 13.46 MB / 1.029 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.684e-05/0.3769, allocations: 24.94 kB / 1.326 GB, free: 13.43 MB / 1.029 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 6.809e-05/0.3769, allocations: 32.38 kB / 1.327 GB, free: 13.4 MB / 1.029 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007486/0.3777, allocations: 316.1 kB / 1.327 GB, free: 13.08 MB / 1.029 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.291e-05/0.3777, allocations: 0 / 1.327 GB, free: 13.08 MB / 1.029 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.481e-05/0.3777, allocations: 12 kB / 1.327 GB, free: 13.07 MB / 1.029 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.678e-06/0.3778, allocations: 4 kB / 1.327 GB, free: 13.06 MB / 1.029 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007485/0.3785, allocations: 229.4 kB / 1.327 GB, free: 12.84 MB / 1.029 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001536/0.38, allocations: 0.991 MB / 1.328 GB, free: 11.78 MB / 1.029 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00058/0.3806, allocations: 211.7 kB / 1.328 GB, free: 11.54 MB / 1.029 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003368/0.381, allocations: 98.61 kB / 1.328 GB, free: 11.44 MB / 1.029 GB
Notification: Performance of preOpt evalFunc (simulation): time 3.653e-05/0.381, allocations: 3.938 kB / 1.328 GB, free: 11.43 MB / 1.029 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000475/0.3815, allocations: 184 kB / 1.328 GB, free: 11.23 MB / 1.029 GB
Notification: Performance of pre-optimization done (n=22): time 1.823e-06/0.3815, allocations: 0 / 1.328 GB, free: 11.23 MB / 1.029 GB
Notification: Performance of matching and sorting (n=22): time 0.001143/0.3826, allocations: 317.3 kB / 1.329 GB, free: 10.92 MB / 1.029 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.811e-05/0.3827, allocations: 106.8 kB / 1.329 GB, free: 10.79 MB / 1.029 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002564/0.3829, allocations: 232 kB / 1.329 GB, free: 10.55 MB / 1.029 GB
Notification: Performance of collectPreVariables (initialization): time 4.999e-05/0.383, allocations: 29.7 kB / 1.329 GB, free: 10.52 MB / 1.029 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0001549/0.3831, allocations: 172.7 kB / 1.329 GB, free: 10.34 MB / 1.029 GB
Notification: Performance of collectInitialBindings (initialization): time 7.916e-05/0.3832, allocations: 67.48 kB / 1.329 GB, free: 10.28 MB / 1.029 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001515/0.3834, allocations: 81.62 kB / 1.329 GB, free: 10.19 MB / 1.029 GB
Notification: Performance of setup shared object (initialization): time 0.000167/0.3835, allocations: 334.8 kB / 1.33 GB, free: 9.855 MB / 1.029 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003824/0.3839, allocations: 100.2 kB / 1.33 GB, free: 9.754 MB / 1.029 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005393/0.3845, allocations: 187.6 kB / 1.33 GB, free: 9.531 MB / 1.029 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0007979/0.3853, allocations: 305.4 kB / 1.33 GB, free: 9.188 MB / 1.029 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.67e-06/0.3853, allocations: 4 kB / 1.33 GB, free: 9.184 MB / 1.029 GB
Notification: Performance of matching and sorting (n=33) (initialization): time 0.001116/0.3864, allocations: 374.8 kB / 1.331 GB, free: 8.805 MB / 1.029 GB
Notification: Performance of prepare postOptimizeDAE: time 5.346e-05/0.3864, allocations: 41.62 kB / 1.331 GB, free: 8.758 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.394e-06/0.3864, allocations: 0 / 1.331 GB, free: 8.758 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.899e-05/0.3865, allocations: 4 kB / 1.331 GB, free: 8.754 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002956/0.3868, allocations: 52.2 kB / 1.331 GB, free: 8.703 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.096e-05/0.3868, allocations: 8 kB / 1.331 GB, free: 8.695 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003695/0.3871, allocations: 55.84 kB / 1.331 GB, free: 8.641 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.368e-05/0.3872, allocations: 23.92 kB / 1.331 GB, free: 8.617 MB / 1.029 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 13
 * Number of states: 0 ()
 * Number of discrete variables: 19 ($whenCondition1,$whenCondition2,heaOff.y,$PRE.heaOff.y,reaToInt3.y,ove.intEqu2.y,ove.y1Fan,reaToInt1.y,ove.or2.y,ove.intEqu4.y,ove.intEqu3.y,terFan.y,ove.con1.y,ove.con.y,ove.conInt6.y,ove.conInt5.y,ove.logSwi1.y,ove.conInt4.y,ove.conInt3.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (31):
 * Single equations (assignments): 30
 * Array equations: 0
 * Algorithm blocks: 1
 * 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 0.0001996/0.3874, allocations: 153.7 kB / 1.331 GB, free: 8.457 MB / 1.029 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 5.826e-05/0.3874, allocations: 27.8 kB / 1.331 GB, free: 8.43 MB / 1.029 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 7.667e-05/0.3875, allocations: 29.33 kB / 1.331 GB, free: 8.398 MB / 1.029 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.713e-06/0.3875, allocations: 4 kB / 1.331 GB, free: 8.395 MB / 1.029 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.593e-06/0.3875, allocations: 0 / 1.331 GB, free: 8.395 MB / 1.029 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.232e-06/0.3875, allocations: 4 kB / 1.331 GB, free: 8.391 MB / 1.029 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003861/0.3879, allocations: 317.4 kB / 1.331 GB, free: 8.031 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.038e-06/0.3879, allocations: 0 / 1.331 GB, free: 8.031 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002467/0.3882, allocations: 43.89 kB / 1.331 GB, free: 7.988 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (simulation): time 6.271e-06/0.3882, allocations: 3.938 kB / 1.331 GB, free: 7.984 MB / 1.029 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.239e-05/0.3882, allocations: 12 kB / 1.331 GB, free: 7.973 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.025e-06/0.3882, allocations: 0 / 1.331 GB, free: 7.973 MB / 1.029 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.105e-05/0.3882, allocations: 4 kB / 1.331 GB, free: 7.969 MB / 1.029 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007791/0.389, allocations: 270.5 kB / 1.332 GB, free: 7.68 MB / 1.029 GB
Notification: Performance of postOpt removeConstants (simulation): time 7.86e-05/0.3891, allocations: 96.97 kB / 1.332 GB, free: 7.566 MB / 1.029 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.882e-05/0.3891, allocations: 15.92 kB / 1.332 GB, free: 7.551 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001738/0.3893, allocations: 15.98 kB / 1.332 GB, free: 7.535 MB / 1.029 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001541/0.3894, allocations: 35.95 kB / 1.332 GB, free: 7.5 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.749e-05/0.3895, allocations: 4 kB / 1.332 GB, free: 7.496 MB / 1.029 GB
Notification: Performance of sorting global known variables: time 0.000146/0.3896, allocations: 149.9 kB / 1.332 GB, free: 7.352 MB / 1.029 GB
Notification: Performance of sort global known variables: time 7e-08/0.3896, allocations: 0 / 1.332 GB, free: 7.352 MB / 1.029 GB
Notification: Performance of remove unused functions: time 0.0003654/0.39, allocations: 71.77 kB / 1.332 GB, free: 7.281 MB / 1.029 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 3
 * Number of states: 0 ()
 * Number of discrete variables: 10 ($whenCondition1,$whenCondition2,heaOff.y,ove.y1Fan,ove.intEqu2.y,reaToInt3.y,ove.intEqu3.y,ove.intEqu4.y,ove.or2.y,reaToInt1.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (22):
 * Single equations (assignments): 21
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 1
 * 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 0.00121/0.3912, allocations: 0.8319 MB / 1.333 GB, free: 6.414 MB / 1.029 GB
Notification: Performance of simCode: created initialization part: time 0.0008821/0.3921, allocations: 295.3 kB / 1.333 GB, free: 6.113 MB / 1.029 GB
Notification: Performance of simCode: created event and clocks part: time 2.555e-06/0.3921, allocations: 0 / 1.333 GB, free: 6.113 MB / 1.029 GB
Notification: Performance of simCode: created simulation system equations: time 0.0004163/0.3925, allocations: 111.9 kB / 1.333 GB, free: 6.004 MB / 1.029 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003348/0.3928, allocations: 40.95 kB / 1.333 GB, free: 5.965 MB / 1.029 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004888/0.3977, allocations: 2.589 MB / 1.336 GB, free: 3.211 MB / 1.029 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005178/0.3982, allocations: 0.7677 MB / 1.337 GB, free: 2.418 MB / 1.029 GB
Notification: Performance of simCode: alias equations: time 0.000176/0.3984, allocations: 34.28 kB / 1.337 GB, free: 2.387 MB / 1.029 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001924/0.3986, allocations: 99.39 kB / 1.337 GB, free: 2.289 MB / 1.029 GB
Notification: Performance of SimCode: time 1.242e-06/0.3986, allocations: 0 / 1.337 GB, free: 2.289 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0313/0.4299, allocations: 5.769 MB / 1.342 GB, free: 12.72 MB / 1.045 GB
Notification: Performance of buildModelFMU: Generate platform static: time 8.402/8.832, allocations: 18.92 kB / 1.342 GB, free: 12.71 MB / 1.045 GB
"
[Timeout remaining time 291]
(rm -f Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides.pipe ; mkfifo Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides.pipe ; head -c 1048576 < Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides.pipe >> ../files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides_res.mat --tempDir=temp_Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanVVF_Subsequences_Validation_Overrides_fmu --startTime=0 --stopTime=3600 --stepSize=1.44 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanVVF_Subsequences_Validation_Overrides.fmu > Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_ParallelFanVVF_Subsequences_Validation_Overrides.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.ParallelFanVVF.Subsequences.Validation.Overrides.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300]
""
[Timeout remaining time 300]
Reference file matches
[Calling sys.exit(0), Time elapsed: 15.812874543946236]