Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState.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 0.001234/0.001234, allocations: 101.3 kB / 19.73 MB, free: 2.133 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 0.001362/0.001362, allocations: 218.8 kB / 23.03 MB, free: 4.949 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 1.355/1.355, allocations: 230.6 MB / 256.8 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 2.921/2.921, allocations: 0.49 GB / 0.7959 GB, free: 35.52 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.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState,fileNamePrefix="Buildings_12_Buildings_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_FiniteLineSource_SteadyState",fmuType="cs",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState,fileNamePrefix="Buildings_12_Buildings_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_FiniteLineSource_SteadyState",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 0.001845/0.001845, allocations: 63.53 kB / 1.155 GB, free: 25.5 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2959/0.2977, allocations: 176.1 MB / 1.327 GB, free: 1.531 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState): time 0.002403/0.3001, allocations: 1.368 MB / 1.328 GB, free: 160 kB / 1.014 GB
Notification: Performance of NFInst.instExpressions: time 0.0004385/0.3005, allocations: 155.5 kB / 1.328 GB, free: 4 kB / 1.014 GB
Notification: Performance of NFInst.updateImplicitVariability: time 2.377e-05/0.3006, allocations: 3.938 kB / 1.328 GB, free: 0 / 1.014 GB
Notification: Performance of NFTyping.typeComponents: time 3.351e-05/0.3006, allocations: 4.047 kB / 1.328 GB, free: 15.99 MB / 1.029 GB
Notification: Performance of NFTyping.typeBindings: time 4.495e-05/0.3006, allocations: 7.938 kB / 1.328 GB, free: 15.98 MB / 1.029 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0003213/0.301, allocations: 71.77 kB / 1.328 GB, free: 15.91 MB / 1.029 GB
Notification: Performance of NFFlatten.flatten: time 6.211e-05/0.301, allocations: 23.92 kB / 1.328 GB, free: 15.89 MB / 1.029 GB
Notification: Performance of NFFlatten.resolveConnections: time 4.001e-05/0.3011, allocations: 8.281 kB / 1.328 GB, free: 15.88 MB / 1.029 GB
Notification: Performance of NFEvalConstants.evaluate: time 3.538e-05/0.3011, allocations: 11.98 kB / 1.328 GB, free: 15.87 MB / 1.029 GB
Notification: Performance of NFSimplifyModel.simplify: time 4.35e-05/0.3012, allocations: 15.81 kB / 1.328 GB, free: 15.86 MB / 1.029 GB
Notification: Performance of NFPackage.collectConstants: time 1.171e-05/0.3012, allocations: 0 / 1.328 GB, free: 15.86 MB / 1.029 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0002626/0.3014, allocations: 127.8 kB / 1.328 GB, free: 15.73 MB / 1.029 GB
Notification: Performance of NFScalarize.scalarize: time 1.676e-05/0.3014, allocations: 11.94 kB / 1.328 GB, free: 15.72 MB / 1.029 GB
Notification: Performance of NFVerifyModel.verify: time 2.249e-05/0.3015, allocations: 7.984 kB / 1.328 GB, free: 15.71 MB / 1.029 GB
Notification: Performance of NFConvertDAE.convert: time 0.0001798/0.3016, allocations: 95.67 kB / 1.329 GB, free: 15.62 MB / 1.029 GB
Notification: Performance of FrontEnd - DAE generated: time 3.096e-06/0.3016, allocations: 0 / 1.329 GB, free: 15.62 MB / 1.029 GB
Notification: Performance of FrontEnd: time 1.262e-06/0.3016, allocations: 0 / 1.329 GB, free: 15.62 MB / 1.029 GB
Notification: Performance of Transformations before backend: time 5.05e-06/0.3017, allocations: 3.938 kB / 1.329 GB, free: 15.62 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: 4
 * Number of variables: 4
Notification: Performance of Generate backend data structure: time 0.0003847/0.302, allocations: 262.2 kB / 1.329 GB, free: 15.33 MB / 1.029 GB
Notification: Performance of prepare preOptimizeDAE: time 3.825e-05/0.3021, allocations: 12.03 kB / 1.329 GB, free: 15.32 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 1.583e-05/0.3021, allocations: 192 / 1.329 GB, free: 15.32 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 2.884e-05/0.3021, allocations: 34.75 kB / 1.329 GB, free: 15.27 MB / 1.029 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 2.473e-05/0.3021, allocations: 4.938 kB / 1.329 GB, free: 15.27 MB / 1.029 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001032/0.3023, allocations: 114.5 kB / 1.329 GB, free: 15.13 MB / 1.029 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.14e-05/0.3023, allocations: 4.375 kB / 1.329 GB, free: 15.13 MB / 1.029 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 7.794e-06/0.3023, allocations: 4.312 kB / 1.329 GB, free: 15.12 MB / 1.029 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001049/0.3024, allocations: 49.94 kB / 1.329 GB, free: 15.07 MB / 1.029 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.534e-06/0.3024, allocations: 0 / 1.329 GB, free: 15.07 MB / 1.029 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.963e-06/0.3024, allocations: 0 / 1.329 GB, free: 15.07 MB / 1.029 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.837e-06/0.3024, allocations: 0 / 1.329 GB, free: 15.07 MB / 1.029 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 5.814e-05/0.3025, allocations: 15.98 kB / 1.329 GB, free: 15.05 MB / 1.029 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0001544/0.3026, allocations: 128.8 kB / 1.329 GB, free: 14.89 MB / 1.029 GB
Notification: Performance of preOpt comSubExp (simulation): time 7.227e-05/0.3027, allocations: 34.61 kB / 1.329 GB, free: 14.84 MB / 1.029 GB
Notification: Performance of preOpt resolveLoops (simulation): time 3.21e-05/0.3027, allocations: 12.86 kB / 1.329 GB, free: 14.83 MB / 1.029 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0007932/0.3035, allocations: 64.02 kB / 1.329 GB, free: 14.77 MB / 1.029 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.776e-05/0.3035, allocations: 46.44 kB / 1.329 GB, free: 14.71 MB / 1.029 GB
Notification: Performance of pre-optimization done (n=4): time 1.052e-06/0.3035, allocations: 0 / 1.329 GB, free: 14.71 MB / 1.029 GB
Notification: Performance of matching and sorting (n=4): time 0.0001717/0.3037, allocations: 53.69 kB / 1.329 GB, free: 14.65 MB / 1.029 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.541e-05/0.3038, allocations: 51.41 kB / 1.329 GB, free: 14.59 MB / 1.029 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 8.548e-05/0.3038, allocations: 106 kB / 1.329 GB, free: 14.48 MB / 1.029 GB
Notification: Performance of collectPreVariables (initialization): time 1.647e-05/0.3039, allocations: 25.7 kB / 1.33 GB, free: 14.45 MB / 1.029 GB
Notification: Performance of collectInitialEqns (initialization): time 4.277e-05/0.3039, allocations: 84.14 kB / 1.33 GB, free: 14.36 MB / 1.029 GB
Notification: Performance of collectInitialBindings (initialization): time 2.997e-05/0.3039, allocations: 19.89 kB / 1.33 GB, free: 14.34 MB / 1.029 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 3.384e-05/0.304, allocations: 13.72 kB / 1.33 GB, free: 14.32 MB / 1.029 GB
Notification: Performance of setup shared object (initialization): time 0.0001334/0.3041, allocations: 314.8 kB / 1.33 GB, free: 14 MB / 1.029 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 2.083e-05/0.3041, allocations: 4 kB / 1.33 GB, free: 14 MB / 1.029 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 2.279e-05/0.3041, allocations: 16.05 kB / 1.33 GB, free: 13.98 MB / 1.029 GB
Notification: Performance of analyzeInitialSystem (initialization): time 4.897e-05/0.3042, allocations: 29.06 kB / 1.33 GB, free: 13.95 MB / 1.029 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.523e-06/0.3042, allocations: 0 / 1.33 GB, free: 13.95 MB / 1.029 GB
Notification: Performance of matching and sorting (n=4) (initialization): time 9.144e-05/0.3043, allocations: 57.64 kB / 1.33 GB, free: 13.89 MB / 1.029 GB
Notification: Performance of prepare postOptimizeDAE: time 1.561e-05/0.3043, allocations: 7.938 kB / 1.33 GB, free: 13.88 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.997e-06/0.3043, allocations: 0 / 1.33 GB, free: 13.88 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.211e-05/0.3043, allocations: 4 kB / 1.33 GB, free: 13.88 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 6.275e-05/0.3044, allocations: 8 kB / 1.33 GB, free: 13.87 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.538e-06/0.3044, allocations: 0 / 1.33 GB, free: 13.87 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 1.665e-05/0.3044, allocations: 3.938 kB / 1.33 GB, free: 13.87 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.284e-06/0.3044, allocations: 4 kB / 1.33 GB, free: 13.86 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 (4):
 * Single equations (assignments): 4
 * 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 8.267e-05/0.3045, allocations: 114.3 kB / 1.33 GB, free: 13.74 MB / 1.029 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 1.207e-05/0.3045, allocations: 7.938 kB / 1.33 GB, free: 13.73 MB / 1.029 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001469/0.3047, allocations: 71.14 kB / 1.33 GB, free: 13.65 MB / 1.029 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.613e-06/0.3047, allocations: 3.938 kB / 1.33 GB, free: 13.65 MB / 1.029 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.622e-06/0.3047, allocations: 3.984 kB / 1.33 GB, free: 13.64 MB / 1.029 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.635e-06/0.3047, allocations: 4 kB / 1.33 GB, free: 13.64 MB / 1.029 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001129/0.3048, allocations: 128.7 kB / 1.33 GB, free: 13.47 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.71e-07/0.3048, allocations: 0 / 1.33 GB, free: 13.47 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 3.541e-05/0.3048, allocations: 11.98 kB / 1.33 GB, free: 13.46 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (simulation): time 3.517e-06/0.3048, allocations: 3.938 kB / 1.33 GB, free: 13.46 MB / 1.029 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.372e-06/0.3048, allocations: 0 / 1.33 GB, free: 13.46 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.42e-07/0.3048, allocations: 4 kB / 1.33 GB, free: 13.45 MB / 1.029 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.91e-07/0.3048, allocations: 0 / 1.33 GB, free: 13.45 MB / 1.029 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001029/0.3049, allocations: 73.06 kB / 1.33 GB, free: 13.36 MB / 1.029 GB
Notification: Performance of postOpt removeConstants (simulation): time 2.649e-05/0.305, allocations: 15.92 kB / 1.33 GB, free: 13.35 MB / 1.029 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.217e-05/0.305, allocations: 0 / 1.33 GB, free: 13.35 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 1.607e-05/0.305, allocations: 8 kB / 1.33 GB, free: 13.34 MB / 1.029 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 1.253e-05/0.305, allocations: 0 / 1.33 GB, free: 13.34 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.476e-06/0.305, allocations: 0 / 1.33 GB, free: 13.34 MB / 1.029 GB
Notification: Performance of sorting global known variables: time 4.711e-05/0.305, allocations: 91.27 kB / 1.331 GB, free: 13.25 MB / 1.029 GB
Notification: Performance of sort global known variables: time 8e-08/0.305, allocations: 4 kB / 1.331 GB, free: 13.25 MB / 1.029 GB
Notification: Performance of remove unused functions: time 0.0002194/0.3053, allocations: 19.94 kB / 1.331 GB, free: 13.23 MB / 1.029 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 (4):
 * Single equations (assignments): 4
 * 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 0.0005425/0.3058, allocations: 0.6435 MB / 1.331 GB, free: 12.55 MB / 1.029 GB
Notification: Performance of simCode: created initialization part: time 9.278e-05/0.3059, allocations: 19.98 kB / 1.331 GB, free: 12.53 MB / 1.029 GB
Notification: Performance of simCode: created event and clocks part: time 1.984e-06/0.3059, allocations: 4 kB / 1.331 GB, free: 12.53 MB / 1.029 GB
Notification: Performance of simCode: created simulation system equations: time 2.228e-05/0.3059, allocations: 12 kB / 1.331 GB, free: 12.52 MB / 1.029 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001891/0.3061, allocations: 19.86 kB / 1.331 GB, free: 12.5 MB / 1.029 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0004015/0.3065, allocations: 151.6 kB / 1.331 GB, free: 12.31 MB / 1.029 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 6.089e-05/0.3066, allocations: 63.34 kB / 1.331 GB, free: 12.23 MB / 1.029 GB
Notification: Performance of simCode: alias equations: time 3.383e-05/0.3066, allocations: 10.66 kB / 1.331 GB, free: 12.22 MB / 1.029 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 3.486e-05/0.3066, allocations: 15.42 kB / 1.332 GB, free: 12.2 MB / 1.029 GB
Notification: Performance of SimCode: time 2.61e-07/0.3066, allocations: 0 / 1.332 GB, free: 12.2 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02316/0.3298, allocations: 2.591 MB / 1.334 GB, free: 9.832 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.68/11.01, allocations: 15.11 kB / 1.334 GB, free: 9.82 MB / 1.029 GB
"
[Timeout remaining time 289]
(rm -f Buildings_12_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState.pipe ; mkfifo Buildings_12_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState.pipe >> ../files/Buildings_12_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState_res.mat --tempDir=temp_Buildings_12_Buildings_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_FiniteLineSource_SteadyState_fmu --startTime=0 --stopTime=50 --stepSize=0.02 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_FiniteLineSource_SteadyState.fmu > Buildings_12_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_12_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Geothermal_Borefields_BaseClasses_HeatTransfer_ThermalResponseFactors_Validation_FiniteLineSource_SteadyState.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.FiniteLineSource_SteadyState.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: 17.153693069005385]