Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.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 0.0008671/0.0008671, allocations: 80.55 kB / 19.96 MB, free: 4.598 MB / 18.57 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 0.0009056/0.0009056, allocations: 173.2 kB / 23.24 MB, free: 1.324 MB / 18.57 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 0.8588/0.8588, allocations: 177.1 MB / 203.5 MB, free: 5.715 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.799/1.799, allocations: 389.6 MB / 0.6343 GB, free: 12.56 MB / 0.6042 GB
"
[Timeout remaining time 178]
Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.MixingVolumes.Validation.MixingVolumeZeroFlow,fileNamePrefix="Buildings_13_Buildings_Fluid_MixingVolumes_Validation_MixingVolumeZeroFlow",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow,fileNamePrefix="Buildings_13_Buildings_Fluid_MixingVolumes_Validation_MixingVolumeZeroFlow",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.423e-06/1.423e-06, allocations: 0 / 1.001 GB, free: 13.48 MB / 0.9636 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.007e-05/1.149e-05, allocations: 2.281 kB / 1.001 GB, free: 13.48 MB / 0.9636 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow): time 0.5484/0.5484, allocations: 45.52 MB / 1.045 GB, free: 43.49 MB / 0.9948 GB
Notification: Performance of NFInst.instExpressions: time 0.01529/0.5637, allocations: 11.84 MB / 1.057 GB, free: 43.25 MB / 0.9948 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003072/0.5668, allocations: 107.4 kB / 1.057 GB, free: 43.25 MB / 0.9948 GB
Notification: Performance of NFTyping.typeComponents: time 0.002457/0.5693, allocations: 0.7718 MB / 1.058 GB, free: 43.24 MB / 0.9948 GB
Notification: Performance of NFTyping.typeBindings: time 0.005739/0.575, allocations: 1.987 MB / 1.059 GB, free: 42.85 MB / 0.9948 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003767/0.5788, allocations: 1.425 MB / 1.061 GB, free: 42.81 MB / 0.9948 GB
Notification: Performance of NFFlatten.flatten: time 0.004348/0.5831, allocations: 3.261 MB / 1.064 GB, free: 42.12 MB / 0.9948 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001776/0.5849, allocations: 0.9028 MB / 1.065 GB, free: 41.88 MB / 0.9948 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004699/0.5896, allocations: 1.9 MB / 1.067 GB, free: 41.22 MB / 0.9948 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.001521/0.5911, allocations: 0.7913 MB / 1.068 GB, free: 41.05 MB / 0.9948 GB
Notification: Performance of NFPackage.collectConstants: time 0.0002754/0.5914, allocations: 98.03 kB / 1.068 GB, free: 41.05 MB / 0.9948 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002154/0.5935, allocations: 0.897 MB / 1.069 GB, free: 40.84 MB / 0.9948 GB
Notification: Performance of NFScalarize.scalarize: time 0.0002589/0.5938, allocations: 317.2 kB / 1.069 GB, free: 40.66 MB / 0.9948 GB
Notification: Performance of NFVerifyModel.verify: time 0.0006265/0.5944, allocations: 461.9 kB / 1.069 GB, free: 40.49 MB / 0.9948 GB
Notification: Performance of NFConvertDAE.convert: time 0.003358/0.5978, allocations: 2.015 MB / 1.071 GB, free: 39.91 MB / 0.9948 GB
Notification: Performance of FrontEnd - DAE generated: time 5.08e-06/0.5978, allocations: 2.531 kB / 1.071 GB, free: 39.91 MB / 0.9948 GB
Notification: Performance of FrontEnd: time 2.464e-06/0.5978, allocations: 4 kB / 1.071 GB, free: 39.91 MB / 0.9948 GB
Notification: Performance of Transformations before backend: time 4.935e-05/0.5978, allocations: 3.938 kB / 1.071 GB, free: 39.9 MB / 0.9948 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 213
 * Number of variables: 213
Notification: Performance of Generate backend data structure: time 0.00245/0.6003, allocations: 1.646 MB / 1.073 GB, free: 38.86 MB / 0.9948 GB
Notification: Performance of prepare preOptimizeDAE: time 4.755e-05/0.6003, allocations: 11.41 kB / 1.073 GB, free: 38.86 MB / 0.9948 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000131/0.6005, allocations: 139.1 kB / 1.073 GB, free: 38.76 MB / 0.9948 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005913/0.6011, allocations: 221.8 kB / 1.073 GB, free: 38.68 MB / 0.9948 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0017/0.6028, allocations: 1.027 MB / 1.074 GB, free: 38.14 MB / 0.9948 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.464e-05/0.6028, allocations: 68.62 kB / 1.074 GB, free: 38.11 MB / 0.9948 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 8.463e-05/0.6029, allocations: 87.66 kB / 1.074 GB, free: 38.08 MB / 0.9948 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001133/0.604, allocations: 1.131 MB / 1.075 GB, free: 37.41 MB / 0.9948 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.833e-05/0.604, allocations: 2.906 kB / 1.075 GB, free: 37.41 MB / 0.9948 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.632e-05/0.6041, allocations: 38.72 kB / 1.076 GB, free: 37.38 MB / 0.9948 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.357e-05/0.6041, allocations: 25 kB / 1.076 GB, free: 37.38 MB / 0.9948 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000861/0.605, allocations: 0.6444 MB / 1.076 GB, free: 37.19 MB / 0.9948 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003209/0.6082, allocations: 3.931 MB / 1.08 GB, free: 34.35 MB / 0.9948 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0006516/0.6088, allocations: 371.5 kB / 1.08 GB, free: 34.23 MB / 0.9948 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002563/0.6091, allocations: 201.2 kB / 1.081 GB, free: 34.18 MB / 0.9948 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002763/0.6094, allocations: 102.2 kB / 1.081 GB, free: 34.16 MB / 0.9948 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.434e-05/0.6094, allocations: 41.12 kB / 1.081 GB, free: 34.11 MB / 0.9948 GB
Notification: Performance of pre-optimization done (n=29): time 4.198e-06/0.6094, allocations: 0 / 1.081 GB, free: 34.11 MB / 0.9948 GB
Notification: Performance of matching and sorting (n=29): time 0.001647/0.611, allocations: 0.8535 MB / 1.082 GB, free: 33.84 MB / 0.9948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 2.968e-05/0.6111, allocations: 58.06 kB / 1.082 GB, free: 33.77 MB / 0.9948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009091/0.612, allocations: 0.9751 MB / 1.083 GB, free: 33.38 MB / 0.9948 GB
Notification: Performance of collectPreVariables (initialization): time 4.11e-05/0.612, allocations: 32.8 kB / 1.083 GB, free: 33.34 MB / 0.9948 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002307/0.6122, allocations: 0.5907 MB / 1.083 GB, free: 32.88 MB / 0.9948 GB
Notification: Performance of collectInitialBindings (initialization): time 6.736e-05/0.6123, allocations: 110.9 kB / 1.083 GB, free: 32.79 MB / 0.9948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001076/0.6124, allocations: 108 kB / 1.083 GB, free: 32.73 MB / 0.9948 GB
Notification: Performance of setup shared object (initialization): time 4.134e-05/0.6125, allocations: 333.6 kB / 1.084 GB, free: 32.41 MB / 0.9948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002766/0.6127, allocations: 196.3 kB / 1.084 GB, free: 32.37 MB / 0.9948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003743/0.6131, allocations: 0.5522 MB / 1.084 GB, free: 31.88 MB / 0.9948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0007554/0.6139, allocations: 0.594 MB / 1.085 GB, free: 31.52 MB / 0.9948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.811e-06/0.6139, allocations: 1.438 kB / 1.085 GB, free: 31.52 MB / 0.9948 GB
Notification: Performance of matching and sorting (n=60) (initialization): time 0.001458/0.6153, allocations: 0.7614 MB / 1.086 GB, free: 31.25 MB / 0.9948 GB
Notification: Performance of prepare postOptimizeDAE: time 2.852e-05/0.6154, allocations: 11.75 kB / 1.086 GB, free: 31.25 MB / 0.9948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.332e-05/0.6154, allocations: 7.688 kB / 1.086 GB, free: 31.25 MB / 0.9948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0004466/0.6158, allocations: 154.1 kB / 1.086 GB, free: 31.2 MB / 0.9948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003573/0.6162, allocations: 144.8 kB / 1.086 GB, free: 31.2 MB / 0.9948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005652/0.6167, allocations: 1.719 MB / 1.088 GB, free: 29.57 MB / 0.9948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005676/0.6173, allocations: 94.25 kB / 1.088 GB, free: 29.52 MB / 0.9948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.184e-05/0.6174, allocations: 26.84 kB / 1.088 GB, free: 29.52 MB / 0.9948 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 29
 * 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 (52):
 * Single equations (assignments): 49
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 3 systems
   {(1,2), (1,3), (1,3)}
Notification: Performance of prepare postOptimizeDAE: time 0.0004467/0.6178, allocations: 278.8 kB / 1.088 GB, free: 29.32 MB / 0.9948 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001496/0.618, allocations: 111.2 kB / 1.088 GB, free: 29.26 MB / 0.9948 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00108/0.619, allocations: 0.7307 MB / 1.089 GB, free: 28.98 MB / 0.9948 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.356e-05/0.619, allocations: 3.812 kB / 1.089 GB, free: 28.98 MB / 0.9948 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.132e-06/0.6191, allocations: 0 / 1.089 GB, free: 28.98 MB / 0.9948 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.753e-06/0.6191, allocations: 3.688 kB / 1.089 GB, free: 28.98 MB / 0.9948 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001987/0.621, allocations: 1.535 MB / 1.09 GB, free: 28.24 MB / 0.9948 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.147e-05/0.6211, allocations: 3.312 kB / 1.09 GB, free: 28.24 MB / 0.9948 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003279/0.6214, allocations: 88.28 kB / 1.091 GB, free: 28.24 MB / 0.9948 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0003565/0.6217, allocations: 151.5 kB / 1.091 GB, free: 28.19 MB / 0.9948 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.416e-05/0.6218, allocations: 10.41 kB / 1.091 GB, free: 28.18 MB / 0.9948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005279/0.6223, allocations: 1.715 MB / 1.092 GB, free: 26.55 MB / 0.9948 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.415e-06/0.6223, allocations: 1.062 kB / 1.092 GB, free: 26.55 MB / 0.9948 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001089/0.6234, allocations: 0.7839 MB / 1.093 GB, free: 26.14 MB / 0.9948 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0003304/0.6237, allocations: 171.9 kB / 1.093 GB, free: 26.05 MB / 0.9948 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.091e-05/0.6238, allocations: 7.875 kB / 1.093 GB, free: 26.04 MB / 0.9948 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003287/0.6241, allocations: 46.78 kB / 1.093 GB, free: 26.04 MB / 0.9948 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 7.446e-05/0.6242, allocations: 32.56 kB / 1.093 GB, free: 26.03 MB / 0.9948 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.095e-05/0.6242, allocations: 22.11 kB / 1.093 GB, free: 26.02 MB / 0.9948 GB
Notification: Performance of sorting global known variables: time 0.0008275/0.6251, allocations: 0.657 MB / 1.094 GB, free: 25.75 MB / 0.9948 GB
Notification: Performance of sort global known variables: time 2.1e-07/0.6251, allocations: 0 / 1.094 GB, free: 25.75 MB / 0.9948 GB
Notification: Performance of remove unused functions: time 0.001138/0.6262, allocations: 385.4 kB / 1.094 GB, free: 25.65 MB / 0.9948 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 7
 * 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 (26):
 * Single equations (assignments): 18
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 5
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 3 systems
   {(1,3), (1,2), (1,3)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001841/0.6281, allocations: 1.627 MB / 1.096 GB, free: 24.63 MB / 0.9948 GB
Notification: Performance of simCode: created initialization part: time 0.001227/0.6293, allocations: 0.5312 MB / 1.096 GB, free: 24.52 MB / 0.9948 GB
Notification: Performance of simCode: created event and clocks part: time 5.28e-06/0.6293, allocations: 1.5 kB / 1.096 GB, free: 24.52 MB / 0.9948 GB
Notification: Performance of simCode: created simulation system equations: time 0.0005887/0.6299, allocations: 284.7 kB / 1.097 GB, free: 24.46 MB / 0.9948 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001916/0.6318, allocations: 0.4968 MB / 1.097 GB, free: 24.31 MB / 0.9948 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01089/0.6427, allocations: 7.27 MB / 1.104 GB, free: 20.54 MB / 0.9948 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005489/0.6432, allocations: 0.5106 MB / 1.105 GB, free: 20.39 MB / 0.9948 GB
Notification: Performance of simCode: alias equations: time 0.0008441/0.6441, allocations: 192.1 kB / 1.105 GB, free: 20.34 MB / 0.9948 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003407/0.6444, allocations: 417.4 kB / 1.105 GB, free: 20.02 MB / 0.9948 GB
Notification: Performance of SimCode: time 1.633e-06/0.6444, allocations: 1 kB / 1.105 GB, free: 20.02 MB / 0.9948 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1376/0.782, allocations: 31.37 MB / 1.136 GB, free: 14.14 MB / 0.9948 GB
Notification: Performance of buildModelFMU: Generate platform static: time 9.473/10.26, allocations: 12.38 kB / 1.136 GB, free: 14.14 MB / 0.9948 GB
"
[Timeout remaining time 290]
(rm -f Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe ; mkfifo Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe >> ../files/Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.sim & (cd run_OMSimulator && /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --stripRoot --tempDir=temp_Buildings_13_Buildings_Fluid_MixingVolumes_Validation_MixingVolumeZeroFlow_fmu --startTime=0 --stopTime=2 --stepSize=0.0008 --timeout=50 --tolerance=1e-06 ../Buildings_13_Buildings_Fluid_MixingVolumes_Validation_MixingVolumeZeroFlow.fmu) > Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow.pipe 2>&1) [Timeout 52.5]
(rm -f Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_fmpy.pipe ; mkfifo Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_fmpy.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_fmpy.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_fmpy.sim & (cd run_fmpy && python3 -m fmpy simulate --output-file ../Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_fmpy_res.csv --start-time 0 --stop-time 2 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0008 ../Buildings_13_Buildings_Fluid_MixingVolumes_Validation_MixingVolumeZeroFlow.fmu) > Buildings_13_Buildings.Fluid.MixingVolumes.Validation.MixingVolumeZeroFlow_fmpy.pipe 2>&1) [Timeout 52.5]
[Calling sys.exit(0), Time elapsed: 14.818740833550692]