Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_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 0.001423/0.001423, allocations: 100.8 kB / 19.74 MB, free: 2.07 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 0.001805/0.001805, allocations: 210.3 kB / 23.03 MB, free: 4.863 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 1.59/1.59, allocations: 230.6 MB / 256.8 MB, free: 7.785 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 3.331/3.331, allocations: 0.49 GB / 0.7959 GB, free: 35.43 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: translateModel(Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|kappa.2|2|1.|kappa.2|2|2.|kappa.2|2|3.|kappa.2|2|4.|kappa.2|2|5.|kappa.2|2|6.|kappa.2|2|7.|kappa.1|4|1.|kappa.1|4|2.|kappa.1|4|3.|kappa.1|4|4.|kappa.1|4|5.|kappa.1|4|6.|kappa.1|4|7.|kappa.7|6|1.|kappa.7|6|2.|kappa.7|6|3.|kappa.7|6|4.|kappa.7|6|5.|kappa.7|6|6.|kappa.7|6|7.",fileNamePrefix="Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix") translateModel(Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|kappa.2|2|1.|kappa.2|2|2.|kappa.2|2|3.|kappa.2|2|4.|kappa.2|2|5.|kappa.2|2|6.|kappa.2|2|7.|kappa.1|4|1.|kappa.1|4|2.|kappa.1|4|3.|kappa.1|4|4.|kappa.1|4|5.|kappa.1|4|6.|kappa.1|4|7.|kappa.7|6|1.|kappa.7|6|2.|kappa.7|6|3.|kappa.7|6|4.|kappa.7|6|5.|kappa.7|6|6.|kappa.7|6|7.",fileNamePrefix="Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix") [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 0.002032/0.002032, allocations: 70.16 kB / 1.155 GB, free: 25.17 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4844/0.4864, allocations: 176.1 MB / 1.327 GB, free: 0.9648 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix): time 0.002734/0.4892, allocations: 1.271 MB / 1.328 GB, free: 15.69 MB / 1.029 GB Notification: Performance of NFInst.instExpressions: time 0.005363/0.4945, allocations: 2.718 MB / 1.331 GB, free: 12.96 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 2.846e-05/0.4946, allocations: 0 / 1.331 GB, free: 12.96 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 4.723e-05/0.4946, allocations: 0 / 1.331 GB, free: 12.96 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.003195/0.4978, allocations: 1.003 MB / 1.332 GB, free: 11.95 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 4.779e-06/0.4978, allocations: 0 / 1.332 GB, free: 11.95 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 5.148e-05/0.4979, allocations: 8 kB / 1.332 GB, free: 11.95 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 5.819e-05/0.4979, allocations: 7.984 kB / 1.332 GB, free: 11.94 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 2.438e-05/0.4979, allocations: 7.984 kB / 1.332 GB, free: 11.93 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 4.193e-05/0.498, allocations: 15.91 kB / 1.332 GB, free: 11.91 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 6.772e-06/0.498, allocations: 3.938 kB / 1.332 GB, free: 11.91 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002627/0.5006, allocations: 1.458 MB / 1.334 GB, free: 10.45 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.0004448/0.5011, allocations: 479.8 kB / 1.334 GB, free: 9.98 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 1.924e-05/0.5011, allocations: 0 / 1.334 GB, free: 9.98 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.001683/0.5028, allocations: 1.119 MB / 1.335 GB, free: 8.859 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 4.559e-06/0.5028, allocations: 0 / 1.335 GB, free: 8.859 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.943e-06/0.5028, allocations: 4 kB / 1.335 GB, free: 8.855 MB / 1.029 GB Notification: Performance of Transformations before backend: time 6.732e-06/0.5028, allocations: 0 / 1.335 GB, free: 8.855 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: 0 * Number of variables: 0 Notification: Performance of Generate backend data structure: time 0.0007662/0.5035, allocations: 468.4 kB / 1.336 GB, free: 8.367 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 4.851e-05/0.5036, allocations: 8.031 kB / 1.336 GB, free: 8.359 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.786e-05/0.5037, allocations: 80.22 kB / 1.336 GB, free: 8.281 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001796/0.5038, allocations: 181.8 kB / 1.336 GB, free: 8.078 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.78e-05/0.5039, allocations: 154.9 kB / 1.336 GB, free: 7.926 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.387e-05/0.504, allocations: 154.7 kB / 1.336 GB, free: 7.773 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 9.551e-05/0.5041, allocations: 105 kB / 1.336 GB, free: 7.664 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.214e-05/0.5041, allocations: 75.28 kB / 1.336 GB, free: 7.59 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.491e-05/0.5042, allocations: 154.6 kB / 1.336 GB, free: 7.438 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.911e-05/0.5043, allocations: 158.5 kB / 1.337 GB, free: 7.281 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 7.136e-05/0.5043, allocations: 154.6 kB / 1.337 GB, free: 7.129 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0003638/0.5047, allocations: 393.6 kB / 1.337 GB, free: 6.715 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001162/0.5048, allocations: 165.1 kB / 1.337 GB, free: 6.543 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 5.05e-05/0.5049, allocations: 80.14 kB / 1.337 GB, free: 6.461 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 3.92e-05/0.5049, allocations: 83.28 kB / 1.337 GB, free: 6.379 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.584e-05/0.505, allocations: 113.7 kB / 1.337 GB, free: 6.258 MB / 1.029 GB Notification: Performance of pre-optimization done (n=0): time 7.32e-07/0.505, allocations: 0 / 1.337 GB, free: 6.258 MB / 1.029 GB Notification: Performance of matching and sorting (n=0): time 8.114e-05/0.505, allocations: 29.69 kB / 1.338 GB, free: 6.223 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.062e-05/0.5051, allocations: 130.7 kB / 1.338 GB, free: 6.082 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003336/0.5055, allocations: 317.8 kB / 1.338 GB, free: 5.762 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 1.73e-05/0.5055, allocations: 25.7 kB / 1.338 GB, free: 5.73 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 3.72e-05/0.5055, allocations: 84.14 kB / 1.338 GB, free: 5.645 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 2.495e-06/0.5055, allocations: 0 / 1.338 GB, free: 5.645 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.076e-05/0.5055, allocations: 9.719 kB / 1.338 GB, free: 5.629 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001451/0.5057, allocations: 318.8 kB / 1.338 GB, free: 5.309 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 8.987e-06/0.5057, allocations: 4 kB / 1.338 GB, free: 5.305 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 2.615e-06/0.5057, allocations: 3.938 kB / 1.338 GB, free: 5.301 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 4.089e-05/0.5057, allocations: 83.22 kB / 1.338 GB, free: 5.219 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.905e-05/0.5058, allocations: 75.28 kB / 1.339 GB, free: 5.145 MB / 1.029 GB Notification: Performance of matching and sorting (n=0) (initialization): time 5.806e-05/0.5058, allocations: 33.77 kB / 1.339 GB, free: 5.105 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 5.313e-05/0.5059, allocations: 83.28 kB / 1.339 GB, free: 5.023 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.966e-05/0.5059, allocations: 75.28 kB / 1.339 GB, free: 4.949 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.178e-05/0.506, allocations: 154.5 kB / 1.339 GB, free: 4.797 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 4.124e-05/0.5061, allocations: 79.41 kB / 1.339 GB, free: 4.719 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.997e-05/0.5062, allocations: 166.4 kB / 1.339 GB, free: 4.555 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002048/0.5064, allocations: 75.28 kB / 1.339 GB, free: 4.48 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.283e-05/0.5064, allocations: 79.28 kB / 1.339 GB, free: 4.402 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 (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 0.0002804/0.5067, allocations: 440.9 kB / 1.34 GB, free: 3.961 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.298e-05/0.5068, allocations: 112.8 kB / 1.34 GB, free: 3.844 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.162e-05/0.5068, allocations: 112 kB / 1.34 GB, free: 3.723 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.763e-05/0.5069, allocations: 184.2 kB / 1.34 GB, free: 3.535 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.462e-05/0.507, allocations: 180.3 kB / 1.34 GB, free: 3.352 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.689e-05/0.5071, allocations: 176.3 kB / 1.34 GB, free: 3.172 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003283/0.5074, allocations: 356.8 kB / 1.341 GB, free: 2.785 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.424e-05/0.5074, allocations: 101 kB / 1.341 GB, free: 2.68 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 5.451e-05/0.5075, allocations: 108.9 kB / 1.341 GB, free: 2.566 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.23e-05/0.5076, allocations: 184.2 kB / 1.341 GB, free: 2.379 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.339e-05/0.5077, allocations: 180.3 kB / 1.341 GB, free: 2.195 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0001046/0.5078, allocations: 188.2 kB / 1.341 GB, free: 2.004 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.301e-05/0.5079, allocations: 180.3 kB / 1.342 GB, free: 1.82 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000191/0.5081, allocations: 303.8 kB / 1.342 GB, free: 1.5 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 5.454e-05/0.5081, allocations: 112.9 kB / 1.342 GB, free: 1.383 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000206/0.5083, allocations: 184.2 kB / 1.342 GB, free: 1.195 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002059/0.5085, allocations: 101 kB / 1.342 GB, free: 1.09 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000109/0.5086, allocations: 184.2 kB / 1.342 GB, free: 0.9023 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.951e-05/0.5087, allocations: 101 kB / 1.343 GB, free: 0.7969 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.0002324/0.5089, allocations: 307.2 kB / 1.343 GB, free: 0.4961 MB / 1.029 GB Notification: Performance of sort global known variables: time 7.1e-08/0.5089, allocations: 0 / 1.343 GB, free: 0.4961 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.001216/0.5101, allocations: 402.9 kB / 1.343 GB, free: 104 kB / 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 (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 0.001922/0.512, allocations: 0.7339 MB / 1.344 GB, free: 15.44 MB / 1.045 GB Notification: Performance of simCode: created initialization part: time 5.936e-05/0.5121, allocations: 7.875 kB / 1.344 GB, free: 15.43 MB / 1.045 GB Notification: Performance of simCode: created event and clocks part: time 2.865e-06/0.5121, allocations: 0 / 1.344 GB, free: 15.43 MB / 1.045 GB Notification: Performance of simCode: created simulation system equations: time 1.102e-06/0.5121, allocations: 0 / 1.344 GB, free: 15.43 MB / 1.045 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005631/0.5127, allocations: 459.7 kB / 1.344 GB, free: 14.98 MB / 1.045 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001993/0.5147, allocations: 0.6954 MB / 1.345 GB, free: 14.25 MB / 1.045 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 6.297e-05/0.5147, allocations: 55.34 kB / 1.345 GB, free: 14.17 MB / 1.045 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 4.118e-05/0.5148, allocations: 15.44 kB / 1.345 GB, free: 14.16 MB / 1.045 GB Notification: Performance of SimCode: time 6.02e-07/0.5148, allocations: 0 / 1.345 GB, free: 14.16 MB / 1.045 GB Notification: Performance of Templates: time 0.04702/0.5618, allocations: 23 MB / 1.368 GB, free: 7.148 MB / 1.061 GB " [Timeout remaining time 299] make -j1 -f Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe ; mkfifo Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe >> ../files/Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.sim & ./Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Geothermal_ZonedBorefields_BaseClasses_HeatTransfer_Validation_TemperatureResponseMatrix.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "Error: Error getting time from reference file " [Timeout remaining time 300] "" Variables in the reference:time,kappa[2,2,1],kappa[2,2,2],kappa[2,2,3],kappa[2,2,4],kappa[2,2,5],kappa[2,2,6],kappa[2,2,7],kappa[1,4,1],kappa[1,4,2],kappa[1,4,3],kappa[1,4,4],kappa[1,4,5],kappa[1,4,6],kappa[1,4,7],kappa[7,6,1],kappa[7,6,2],kappa[7,6,3],kappa[7,6,4],kappa[7,6,5],kappa[7,6,6],kappa[7,6,7] Variables in the result:time [Calling sys.exit(0), Time elapsed: 15.928304561879486]