Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.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 0.0009063/0.0009063, allocations: 100.3 kB / 19.72 MB, free: 428 kB / 13.93 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 0.001804/0.001804, allocations: 214.8 kB / 23.03 MB, free: 2.969 MB / 13.93 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 0.9761/0.9761, allocations: 230.6 MB / 256.8 MB, free: 9.594 MB / 202.7 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 2.001/2.001, allocations: 0.5045 GB / 0.8104 GB, free: 2.801 MB / 0.6511 GB
"
[Timeout remaining time 177]
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.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix,fileNamePrefix="Buildings_13_Buildings_Fluid_Geothermal_ZonedBorefields_BaseClasses_HeatTransfer_Validation_TemperatureResponseMatrix",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix,fileNamePrefix="Buildings_13_Buildings_Fluid_Geothermal_ZonedBorefields_BaseClasses_HeatTransfer_Validation_TemperatureResponseMatrix",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 0.001073/0.001073, allocations: 71.88 kB / 1.177 GB, free: 12.01 MB / 0.9636 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.9149/0.916, allocations: 180 MB / 1.352 GB, free: 1.695 MB / 1.026 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix): time 0.001524/0.9175, allocations: 0.5627 MB / 1.353 GB, free: 1.137 MB / 1.026 GB
Notification: Performance of NFInst.instExpressions: time 0.003905/0.9214, allocations: 3.398 MB / 1.356 GB, free: 13.71 MB / 1.042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 2.609e-05/0.9215, allocations: 4 kB / 1.356 GB, free: 13.71 MB / 1.042 GB
Notification: Performance of NFTyping.typeComponents: time 3.444e-05/0.9215, allocations: 3.938 kB / 1.356 GB, free: 13.71 MB / 1.042 GB
Notification: Performance of NFTyping.typeBindings: time 0.001722/0.9232, allocations: 0.9875 MB / 1.357 GB, free: 12.72 MB / 1.042 GB
Notification: Performance of NFTyping.typeClassSections: time 4.689e-06/0.9232, allocations: 4 kB / 1.357 GB, free: 12.71 MB / 1.042 GB
Notification: Performance of NFFlatten.flatten: time 3.506e-05/0.9233, allocations: 3.984 kB / 1.357 GB, free: 12.71 MB / 1.042 GB
Notification: Performance of NFFlatten.resolveConnections: time 4.541e-05/0.9233, allocations: 4 kB / 1.357 GB, free: 12.71 MB / 1.042 GB
Notification: Performance of NFEvalConstants.evaluate: time 1.517e-05/0.9233, allocations: 0 / 1.357 GB, free: 12.71 MB / 1.042 GB
Notification: Performance of NFSimplifyModel.simplify: time 1.421e-05/0.9233, allocations: 4 kB / 1.357 GB, free: 12.7 MB / 1.042 GB
Notification: Performance of NFPackage.collectConstants: time 5.52e-06/0.9233, allocations: 0 / 1.357 GB, free: 12.7 MB / 1.042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001577/0.9249, allocations: 1.451 MB / 1.359 GB, free: 11.25 MB / 1.042 GB
Notification: Performance of NFScalarize.scalarize: time 0.0003544/0.9253, allocations: 0.5809 MB / 1.359 GB, free: 10.67 MB / 1.042 GB
Notification: Performance of NFVerifyModel.verify: time 0.0004392/0.9257, allocations: 0.5288 MB / 1.36 GB, free: 10.14 MB / 1.042 GB
Notification: Performance of NFConvertDAE.convert: time 0.002272/0.928, allocations: 3.243 MB / 1.363 GB, free: 6.887 MB / 1.042 GB
Notification: Performance of FrontEnd - DAE generated: time 4.618e-06/0.928, allocations: 0 / 1.363 GB, free: 6.887 MB / 1.042 GB
Notification: Performance of FrontEnd: time 2.485e-06/0.928, allocations: 0 / 1.363 GB, free: 6.887 MB / 1.042 GB
Notification: Performance of Transformations before backend: time 1.36e-05/0.928, allocations: 3.938 kB / 1.363 GB, free: 6.883 MB / 1.042 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 0
 * Number of variables: 0
Notification: Performance of Generate backend data structure: time 0.003985/0.932, allocations: 4.059 MB / 1.367 GB, free: 2.781 MB / 1.042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.865e-05/0.932, allocations: 8.922 kB / 1.367 GB, free: 2.773 MB / 1.042 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 4.737e-05/0.9321, allocations: 110 kB / 1.367 GB, free: 2.656 MB / 1.042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003908/0.9325, allocations: 207.3 kB / 1.367 GB, free: 2.453 MB / 1.042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002087/0.9346, allocations: 2.158 MB / 1.369 GB, free: 268 kB / 1.042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.381e-05/0.9346, allocations: 154.9 kB / 1.37 GB, free: 112 kB / 1.042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.53e-05/0.9346, allocations: 154.5 kB / 1.37 GB, free: 15.96 MB / 1.057 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 5.98e-05/0.9347, allocations: 105 kB / 1.37 GB, free: 15.85 MB / 1.057 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.152e-05/0.9347, allocations: 75.28 kB / 1.37 GB, free: 15.77 MB / 1.057 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.02e-05/0.9348, allocations: 158.5 kB / 1.37 GB, free: 15.62 MB / 1.057 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.684e-05/0.9348, allocations: 150.6 kB / 1.37 GB, free: 15.47 MB / 1.057 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 4.108e-05/0.9348, allocations: 150.6 kB / 1.37 GB, free: 15.32 MB / 1.057 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001109/0.936, allocations: 1.534 MB / 1.372 GB, free: 13.74 MB / 1.057 GB
Notification: Performance of preOpt comSubExp (simulation): time 7.411e-05/0.936, allocations: 169.1 kB / 1.372 GB, free: 13.57 MB / 1.057 GB
Notification: Performance of preOpt resolveLoops (simulation): time 2.819e-05/0.9361, allocations: 84.08 kB / 1.372 GB, free: 13.48 MB / 1.057 GB
Notification: Performance of preOpt evalFunc (simulation): time 2.254e-05/0.9361, allocations: 75.28 kB / 1.372 GB, free: 13.41 MB / 1.057 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.513e-05/0.9361, allocations: 109.8 kB / 1.372 GB, free: 13.29 MB / 1.057 GB
Notification: Performance of pre-optimization done (n=0): time 6.41e-07/0.9361, allocations: 4 kB / 1.372 GB, free: 13.29 MB / 1.057 GB
Notification: Performance of matching and sorting (n=0): time 0.0003941/0.9365, allocations: 160.8 kB / 1.372 GB, free: 13.12 MB / 1.057 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.904e-05/0.9366, allocations: 126.7 kB / 1.372 GB, free: 12.98 MB / 1.057 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00222/0.9388, allocations: 2.422 MB / 1.375 GB, free: 10.55 MB / 1.057 GB
Notification: Performance of collectPreVariables (initialization): time 8.536e-06/0.9388, allocations: 29.7 kB / 1.375 GB, free: 10.52 MB / 1.057 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003232/0.9391, allocations: 0.5621 MB / 1.375 GB, free: 9.953 MB / 1.057 GB
Notification: Performance of collectInitialBindings (initialization): time 2.886e-06/0.9391, allocations: 0 / 1.375 GB, free: 9.953 MB / 1.057 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 1.908e-05/0.9391, allocations: 9.719 kB / 1.375 GB, free: 9.938 MB / 1.057 GB
Notification: Performance of setup shared object (initialization): time 8.244e-05/0.9392, allocations: 310 kB / 1.376 GB, free: 9.629 MB / 1.057 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 6.792e-06/0.9392, allocations: 0 / 1.376 GB, free: 9.629 MB / 1.057 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 5.179e-06/0.9392, allocations: 7.875 kB / 1.376 GB, free: 9.621 MB / 1.057 GB
Notification: Performance of analyzeInitialSystem (initialization): time 2.353e-05/0.9393, allocations: 79.28 kB / 1.376 GB, free: 9.543 MB / 1.057 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.967e-05/0.9393, allocations: 75.28 kB / 1.376 GB, free: 9.469 MB / 1.057 GB
Notification: Performance of matching and sorting (n=0) (initialization): time 0.000458/0.9397, allocations: 164.8 kB / 1.376 GB, free: 9.301 MB / 1.057 GB
Notification: Performance of prepare postOptimizeDAE: time 3.328e-05/0.9398, allocations: 79.28 kB / 1.376 GB, free: 9.223 MB / 1.057 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.649e-05/0.9398, allocations: 83.2 kB / 1.376 GB, free: 9.141 MB / 1.057 GB
Notification: Performance of postOpt tearingSystem (initialization): time 5.441e-05/0.9398, allocations: 166.5 kB / 1.376 GB, free: 8.977 MB / 1.057 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 1.84e-05/0.9399, allocations: 75.28 kB / 1.376 GB, free: 8.902 MB / 1.057 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.678e-05/0.9399, allocations: 154.5 kB / 1.377 GB, free: 8.75 MB / 1.057 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004313/0.9403, allocations: 203.3 kB / 1.377 GB, free: 8.551 MB / 1.057 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.711e-05/0.9403, allocations: 75.28 kB / 1.377 GB, free: 8.477 MB / 1.057 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 (0):
 * Single equations (assignments): 0
 * 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 0.0003561/0.9407, allocations: 0.6435 MB / 1.377 GB, free: 7.824 MB / 1.057 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003587/0.9411, allocations: 236.3 kB / 1.378 GB, free: 7.586 MB / 1.057 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001376/0.9412, allocations: 301 kB / 1.378 GB, free: 7.281 MB / 1.057 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.142e-05/0.9412, allocations: 188.2 kB / 1.378 GB, free: 7.09 MB / 1.057 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.495e-05/0.9413, allocations: 180.2 kB / 1.378 GB, free: 6.906 MB / 1.057 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.089e-05/0.9413, allocations: 180.2 kB / 1.379 GB, free: 6.723 MB / 1.057 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006139/0.9419, allocations: 0.8346 MB / 1.379 GB, free: 5.836 MB / 1.057 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.666e-05/0.942, allocations: 105 kB / 1.379 GB, free: 5.727 MB / 1.057 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.616e-05/0.942, allocations: 104.9 kB / 1.38 GB, free: 5.617 MB / 1.057 GB
Notification: Performance of postOpt tearingSystem (simulation): time 4.172e-05/0.942, allocations: 180.2 kB / 1.38 GB, free: 5.434 MB / 1.057 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.631e-05/0.9421, allocations: 188.2 kB / 1.38 GB, free: 5.242 MB / 1.057 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.296e-05/0.9421, allocations: 176.3 kB / 1.38 GB, free: 5.062 MB / 1.057 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.16e-05/0.9422, allocations: 180.3 kB / 1.38 GB, free: 4.879 MB / 1.057 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000426/0.9426, allocations: 454.3 kB / 1.381 GB, free: 4.41 MB / 1.057 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001021/0.9436, allocations: 1.07 MB / 1.382 GB, free: 3.332 MB / 1.057 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003369/0.944, allocations: 176.3 kB / 1.382 GB, free: 3.152 MB / 1.057 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004359/0.9444, allocations: 233 kB / 1.382 GB, free: 2.918 MB / 1.057 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 4.709e-05/0.9444, allocations: 184.2 kB / 1.382 GB, free: 2.73 MB / 1.057 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.455e-05/0.9445, allocations: 101 kB / 1.382 GB, free: 2.625 MB / 1.057 GB
Notification: Performance of sorting global known variables: time 0.001834/0.9463, allocations: 1.922 MB / 1.384 GB, free: 0.707 MB / 1.057 GB
Notification: Performance of sort global known variables: time 6e-08/0.9463, allocations: 0 / 1.384 GB, free: 0.707 MB / 1.057 GB
Notification: Performance of remove unused functions: time 0.00103/0.9473, allocations: 367 kB / 1.385 GB, free: 356 kB / 1.057 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 (0):
 * Single equations (assignments): 0
 * 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 0.001667/0.949, allocations: 1.507 MB / 1.386 GB, free: 14.9 MB / 1.073 GB
Notification: Performance of simCode: created initialization part: time 3.989e-05/0.949, allocations: 0 / 1.386 GB, free: 14.9 MB / 1.073 GB
Notification: Performance of simCode: created event and clocks part: time 1.764e-06/0.949, allocations: 7.938 kB / 1.386 GB, free: 14.89 MB / 1.073 GB
Notification: Performance of simCode: created simulation system equations: time 8.31e-07/0.949, allocations: 4 kB / 1.386 GB, free: 14.89 MB / 1.073 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006946/0.9497, allocations: 0.5287 MB / 1.387 GB, free: 14.35 MB / 1.073 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01551/0.9652, allocations: 18.06 MB / 1.404 GB, free: 12.15 MB / 1.089 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004218/0.9657, allocations: 0.5291 MB / 1.405 GB, free: 11.59 MB / 1.089 GB
Notification: Performance of simCode: alias equations: time 0.002641/0.9683, allocations: 1.936 MB / 1.407 GB, free: 9.641 MB / 1.089 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002322/0.9706, allocations: 1.569 MB / 1.408 GB, free: 8.07 MB / 1.089 GB
Notification: Performance of SimCode: time 1.333e-06/0.9706, allocations: 0 / 1.408 GB, free: 8.07 MB / 1.089 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1213/1.092, allocations: 53.79 MB / 1.461 GB, free: 2.34 MB / 1.135 GB
Notification: Performance of buildModelFMU: Generate platform static: time 8.695/9.787, allocations: 10.31 kB / 1.461 GB, free: 2.336 MB / 1.135 GB
"
[Timeout remaining time 290]
(rm -f Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe ; mkfifo Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe >> ../files/Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.sim & (cd run_OMSimulator && /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --stripRoot --tempDir=temp_Buildings_13_Buildings_Fluid_Geothermal_ZonedBorefields_BaseClasses_HeatTransfer_Validation_TemperatureResponseMatrix_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=50 --tolerance=1e-06 ../Buildings_13_Buildings_Fluid_Geothermal_ZonedBorefields_BaseClasses_HeatTransfer_Validation_TemperatureResponseMatrix.fmu) > Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe 2>&1) [Timeout 52.5]
(rm -f Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix_fmpy.pipe ; mkfifo Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix_fmpy.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix_fmpy.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix_fmpy.sim & (cd run_fmpy && python3 -m fmpy simulate --output-file ../Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix_fmpy_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 ../Buildings_13_Buildings_Fluid_Geothermal_ZonedBorefields_BaseClasses_HeatTransfer_Validation_TemperatureResponseMatrix.fmu) > Buildings_13_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix_fmpy.pipe 2>&1) [Timeout 52.5]
[Calling sys.exit(0), Time elapsed: 15.334865077398717]