Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource.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 0.001547/0.001547, allocations: 113.5 kB / 19.73 MB, free: 2.242 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 0.001833/0.001833, allocations: 219.6 kB / 23.04 MB, free: 5.074 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 1.369/1.369, allocations: 230.6 MB / 256.8 MB, free: 7.992 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo): time 2.609/2.609, allocations: 476.7 MB / 0.7715 GB, free: 4.277 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 11.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.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.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource,fileNamePrefix="Buildings_11_Buildings_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_InfiniteLineSource",fmuType="cs",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource,fileNamePrefix="Buildings_11_Buildings_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_InfiniteLineSource",fmuType="cs",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 0.001934/0.001934, allocations: 62.28 kB / 1.118 GB, free: 40.45 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3019/0.3038, allocations: 170 MB / 1.284 GB, free: 11.68 MB / 0.9825 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource): time 0.002476/0.3063, allocations: 1.34 MB / 1.286 GB, free: 10.33 MB / 0.9825 GB
Notification: Performance of NFInst.instExpressions: time 0.0005272/0.3068, allocations: 223.5 kB / 1.286 GB, free: 10.11 MB / 0.9825 GB
Notification: Performance of NFInst.updateImplicitVariability: time 2.33e-05/0.3068, allocations: 0 / 1.286 GB, free: 10.11 MB / 0.9825 GB
Notification: Performance of NFTyping.typeComponents: time 3.091e-05/0.3069, allocations: 11.88 kB / 1.286 GB, free: 10.1 MB / 0.9825 GB
Notification: Performance of NFTyping.typeBindings: time 0.0001063/0.307, allocations: 11.97 kB / 1.286 GB, free: 10.09 MB / 0.9825 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0002737/0.3072, allocations: 43.78 kB / 1.286 GB, free: 10.04 MB / 0.9825 GB
Notification: Performance of NFFlatten.flatten: time 9.492e-05/0.3073, allocations: 43.89 kB / 1.286 GB, free: 10 MB / 0.9825 GB
Notification: Performance of NFFlatten.resolveConnections: time 4.027e-05/0.3074, allocations: 4 kB / 1.286 GB, free: 9.996 MB / 0.9825 GB
Notification: Performance of NFEvalConstants.evaluate: time 3.27e-05/0.3074, allocations: 8 kB / 1.286 GB, free: 9.988 MB / 0.9825 GB
Notification: Performance of NFSimplifyModel.simplify: time 6.234e-05/0.3075, allocations: 23.95 kB / 1.286 GB, free: 9.965 MB / 0.9825 GB
Notification: Performance of NFPackage.collectConstants: time 1.178e-05/0.3075, allocations: 3.938 kB / 1.286 GB, free: 9.961 MB / 0.9825 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0001384/0.3076, allocations: 51.89 kB / 1.286 GB, free: 9.91 MB / 0.9825 GB
Notification: Performance of NFScalarize.scalarize: time 3.935e-05/0.3077, allocations: 11.98 kB / 1.286 GB, free: 9.898 MB / 0.9825 GB
Notification: Performance of NFVerifyModel.verify: time 3.35e-05/0.3077, allocations: 19.94 kB / 1.286 GB, free: 9.879 MB / 0.9825 GB
Notification: Performance of NFConvertDAE.convert: time 0.0001392/0.3078, allocations: 67.09 kB / 1.286 GB, free: 9.82 MB / 0.9825 GB
Notification: Performance of FrontEnd - DAE generated: time 6.092e-06/0.3078, allocations: 4 kB / 1.286 GB, free: 9.816 MB / 0.9825 GB
Notification: Performance of FrontEnd: time 1.964e-06/0.3078, allocations: 4 kB / 1.286 GB, free: 9.812 MB / 0.9825 GB
Notification: Performance of Transformations before backend: time 9.388e-06/0.3079, allocations: 0 / 1.286 GB, free: 9.812 MB / 0.9825 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 6
 * Number of variables: 6
Notification: Performance of Generate backend data structure: time 0.0003975/0.3083, allocations: 271.1 kB / 1.286 GB, free: 9.516 MB / 0.9825 GB
Notification: Performance of prepare preOptimizeDAE: time 3.579e-05/0.3083, allocations: 8.031 kB / 1.286 GB, free: 9.508 MB / 0.9825 GB
Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 1.551e-05/0.3083, allocations: 4.188 kB / 1.286 GB, free: 9.504 MB / 0.9825 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 2.896e-05/0.3083, allocations: 34.75 kB / 1.286 GB, free: 9.461 MB / 0.9825 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000356/0.3087, allocations: 32.8 kB / 1.286 GB, free: 9.43 MB / 0.9825 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001202/0.3088, allocations: 118.4 kB / 1.286 GB, free: 9.289 MB / 0.9825 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.895e-05/0.3088, allocations: 4.375 kB / 1.286 GB, free: 9.285 MB / 0.9825 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 1.322e-05/0.3088, allocations: 384 / 1.286 GB, free: 9.285 MB / 0.9825 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001586/0.309, allocations: 65.97 kB / 1.287 GB, free: 9.215 MB / 0.9825 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.582e-06/0.309, allocations: 0 / 1.287 GB, free: 9.215 MB / 0.9825 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.608e-06/0.309, allocations: 0 / 1.287 GB, free: 9.215 MB / 0.9825 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.128e-06/0.309, allocations: 0 / 1.287 GB, free: 9.215 MB / 0.9825 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002083/0.3092, allocations: 59.91 kB / 1.287 GB, free: 9.156 MB / 0.9825 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0001807/0.3094, allocations: 144.7 kB / 1.287 GB, free: 8.973 MB / 0.9825 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0001487/0.3096, allocations: 62.55 kB / 1.287 GB, free: 8.902 MB / 0.9825 GB
Notification: Performance of preOpt resolveLoops (simulation): time 6.748e-05/0.3096, allocations: 28.97 kB / 1.287 GB, free: 8.871 MB / 0.9825 GB
Notification: Performance of preOpt evalFunc (simulation): time 1.698e-05/0.3096, allocations: 3.984 kB / 1.287 GB, free: 8.867 MB / 0.9825 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.735e-05/0.3097, allocations: 34.5 kB / 1.287 GB, free: 8.824 MB / 0.9825 GB
Notification: Performance of pre-optimization done (n=6): time 8.72e-07/0.3097, allocations: 0 / 1.287 GB, free: 8.824 MB / 0.9825 GB
Notification: Performance of matching and sorting (n=6): time 0.0003466/0.31, allocations: 101.6 kB / 1.287 GB, free: 8.719 MB / 0.9825 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.939e-05/0.3101, allocations: 59.41 kB / 1.287 GB, free: 8.648 MB / 0.9825 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 9.452e-05/0.3102, allocations: 113.8 kB / 1.287 GB, free: 8.527 MB / 0.9825 GB
Notification: Performance of collectPreVariables (initialization): time 2.003e-05/0.3102, allocations: 29.7 kB / 1.287 GB, free: 8.492 MB / 0.9825 GB
Notification: Performance of collectInitialEqns (initialization): time 4.214e-05/0.3102, allocations: 84.08 kB / 1.287 GB, free: 8.406 MB / 0.9825 GB
Notification: Performance of collectInitialBindings (initialization): time 4.094e-05/0.3103, allocations: 31.77 kB / 1.287 GB, free: 8.375 MB / 0.9825 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 4.494e-05/0.3103, allocations: 17.72 kB / 1.287 GB, free: 8.352 MB / 0.9825 GB
Notification: Performance of setup shared object (initialization): time 0.0001325/0.3104, allocations: 318.8 kB / 1.288 GB, free: 8.031 MB / 0.9825 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 5.677e-05/0.3105, allocations: 19.92 kB / 1.288 GB, free: 8.012 MB / 0.9825 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 5.475e-05/0.3105, allocations: 23.98 kB / 1.288 GB, free: 7.988 MB / 0.9825 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0001115/0.3107, allocations: 44.83 kB / 1.288 GB, free: 7.941 MB / 0.9825 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.884e-06/0.3107, allocations: 0 / 1.288 GB, free: 7.941 MB / 0.9825 GB
Notification: Performance of matching and sorting (n=6) (initialization): time 0.0002196/0.3109, allocations: 81.55 kB / 1.288 GB, free: 7.855 MB / 0.9825 GB
Notification: Performance of prepare postOptimizeDAE: time 1.667e-05/0.3109, allocations: 11.94 kB / 1.288 GB, free: 7.844 MB / 0.9825 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.517e-06/0.3109, allocations: 0 / 1.288 GB, free: 7.844 MB / 0.9825 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.199e-05/0.3109, allocations: 0 / 1.288 GB, free: 7.844 MB / 0.9825 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001081/0.311, allocations: 15.98 kB / 1.288 GB, free: 7.828 MB / 0.9825 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.468e-06/0.311, allocations: 0 / 1.288 GB, free: 7.828 MB / 0.9825 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 4.478e-05/0.3111, allocations: 0 / 1.288 GB, free: 7.828 MB / 0.9825 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.318e-06/0.3111, allocations: 11.98 kB / 1.288 GB, free: 7.816 MB / 0.9825 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 (6):
 * Single equations (assignments): 6
 * 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 8.252e-05/0.3112, allocations: 109.8 kB / 1.288 GB, free: 7.699 MB / 0.9825 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 6.749e-05/0.3112, allocations: 11.89 kB / 1.288 GB, free: 7.688 MB / 0.9825 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002417/0.3115, allocations: 97.94 kB / 1.288 GB, free: 7.586 MB / 0.9825 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.773e-06/0.3115, allocations: 4 kB / 1.288 GB, free: 7.582 MB / 0.9825 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.627e-06/0.3115, allocations: 0 / 1.288 GB, free: 7.582 MB / 0.9825 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.386e-06/0.3115, allocations: 0 / 1.288 GB, free: 7.582 MB / 0.9825 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001434/0.3116, allocations: 144.7 kB / 1.288 GB, free: 7.398 MB / 0.9825 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.092e-06/0.3116, allocations: 0 / 1.288 GB, free: 7.398 MB / 0.9825 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 8.381e-05/0.3117, allocations: 16.42 kB / 1.288 GB, free: 7.383 MB / 0.9825 GB
Notification: Performance of postOpt tearingSystem (simulation): time 4.348e-06/0.3117, allocations: 3.938 kB / 1.288 GB, free: 7.379 MB / 0.9825 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.147e-06/0.3117, allocations: 0 / 1.288 GB, free: 7.379 MB / 0.9825 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.02e-06/0.3117, allocations: 8 kB / 1.288 GB, free: 7.371 MB / 0.9825 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.91e-07/0.3117, allocations: 0 / 1.288 GB, free: 7.371 MB / 0.9825 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002511/0.312, allocations: 117 kB / 1.288 GB, free: 7.238 MB / 0.9825 GB
Notification: Performance of postOpt removeConstants (simulation): time 1.551e-05/0.312, allocations: 11.88 kB / 1.288 GB, free: 7.227 MB / 0.9825 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.025e-05/0.312, allocations: 7.984 kB / 1.288 GB, free: 7.219 MB / 0.9825 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 5.024e-05/0.3121, allocations: 4 kB / 1.288 GB, free: 7.215 MB / 0.9825 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 2.3e-05/0.3121, allocations: 7.984 kB / 1.288 GB, free: 7.207 MB / 0.9825 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.072e-06/0.3121, allocations: 0 / 1.288 GB, free: 7.207 MB / 0.9825 GB
Notification: Performance of sorting global known variables: time 6.345e-05/0.3122, allocations: 91.27 kB / 1.288 GB, free: 7.117 MB / 0.9825 GB
Notification: Performance of sort global known variables: time 9e-08/0.3122, allocations: 3.938 kB / 1.288 GB, free: 7.113 MB / 0.9825 GB
Notification: Performance of remove unused functions: time 0.0002033/0.3124, allocations: 16 kB / 1.288 GB, free: 7.098 MB / 0.9825 GB
Notification: Model statistics after passing the back-end for simulation:
 * 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 simulation (7):
 * Single equations (assignments): 7
 * 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 0.0006548/0.313, allocations: 0.6747 MB / 1.289 GB, free: 6.398 MB / 0.9825 GB
Notification: Performance of simCode: created initialization part: time 0.0001767/0.3132, allocations: 51.89 kB / 1.289 GB, free: 6.348 MB / 0.9825 GB
Notification: Performance of simCode: created event and clocks part: time 5.05e-06/0.3132, allocations: 0 / 1.289 GB, free: 6.348 MB / 0.9825 GB
Notification: Performance of simCode: created simulation system equations: time 6.486e-05/0.3133, allocations: 24.77 kB / 1.289 GB, free: 6.324 MB / 0.9825 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001947/0.3135, allocations: 16.86 kB / 1.289 GB, free: 6.309 MB / 0.9825 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001532/0.315, allocations: 1.334 MB / 1.29 GB, free: 4.891 MB / 0.9825 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003184/0.3153, allocations: 0.6885 MB / 1.291 GB, free: 4.176 MB / 0.9825 GB
Notification: Performance of simCode: alias equations: time 8.457e-05/0.3154, allocations: 23.98 kB / 1.291 GB, free: 4.152 MB / 0.9825 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 5.379e-05/0.3154, allocations: 19.42 kB / 1.291 GB, free: 4.133 MB / 0.9825 GB
Notification: Performance of SimCode: time 4.01e-07/0.3154, allocations: 0 / 1.291 GB, free: 4.133 MB / 0.9825 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02181/0.3373, allocations: 2.448 MB / 1.294 GB, free: 1.895 MB / 0.9825 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.33/10.67, allocations: 7.484 kB / 1.294 GB, free: 1.891 MB / 0.9825 GB
"
[Timeout remaining time 289]
(rm -f Buildings_11_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource.pipe ; mkfifo Buildings_11_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource.pipe >> ../files/Buildings_11_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_11_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource_res.mat --tempDir=temp_Buildings_11_Buildings_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_InfiniteLineSource_fmu --startTime=0 --stopTime=15 --stepSize=0.006 --timeout=400 --tolerance=1e-06 Buildings_11_Buildings_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_InfiniteLineSource.fmu > Buildings_11_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_11_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_InfiniteLineSource.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.InfiniteLineSource.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: 16.828925683978014]