Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow.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 0.001377/0.001377, allocations: 73.09 kB / 20.65 MB, free: 3.844 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 0.001658/0.001658, allocations: 173 kB / 24.05 MB, free: 452 kB / 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 0.973/0.973, allocations: 177.1 MB / 204.5 MB, free: 5.492 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.7087/0.7087, allocations: 115 MB / 376 MB, free: 7.527 MB / 346.7 MB
"
[Timeout remaining time 179]
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/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(IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow")
translateModel(IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.643e-06/1.643e-06, allocations: 0 / 482 MB, free: 11.71 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.743e-05/2.908e-05, allocations: 5.031 kB / 482 MB, free: 11.71 MB / 410.7 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow): time 0.1562/0.1562, allocations: 157 MB / 0.624 GB, free: 10.43 MB / 0.5417 GB
Notification: Performance of NFInst.instExpressions: time 0.01574/0.1719, allocations: 10.35 MB / 0.6341 GB, free: 64 kB / 0.5417 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002444/0.1744, allocations: 107.2 kB / 0.6342 GB, free: 15.95 MB / 0.5573 GB
Notification: Performance of NFTyping.typeComponents: time 0.003793/0.1782, allocations: 1.637 MB / 0.6358 GB, free: 14.31 MB / 0.5573 GB
Notification: Performance of NFTyping.typeBindings: time 0.00489/0.1831, allocations: 2.18 MB / 0.6379 GB, free: 12.12 MB / 0.5573 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004803/0.1879, allocations: 2.263 MB / 0.6401 GB, free: 9.855 MB / 0.5573 GB
Notification: Performance of NFFlatten.flatten: time 0.009376/0.1972, allocations: 8.041 MB / 0.648 GB, free: 1.793 MB / 0.5573 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002357/0.1996, allocations: 1.452 MB / 0.6494 GB, free: 304 kB / 0.5573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.273/0.4726, allocations: 2.904 MB / 0.6522 GB, free: 21.77 MB / 0.5573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002215/0.4748, allocations: 1.17 MB / 0.6534 GB, free: 21.77 MB / 0.5573 GB
Notification: Performance of NFPackage.collectConstants: time 0.0004907/0.4753, allocations: 188.5 kB / 0.6535 GB, free: 21.77 MB / 0.5573 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00157/0.4768, allocations: 0.8244 MB / 0.6543 GB, free: 21.77 MB / 0.5573 GB
Notification: Performance of NFScalarize.scalarize: time 0.0006482/0.4775, allocations: 0.7762 MB / 0.6551 GB, free: 21.77 MB / 0.5573 GB
Notification: Performance of NFVerifyModel.verify: time 0.00114/0.4786, allocations: 0.7594 MB / 0.6558 GB, free: 21.77 MB / 0.5573 GB
Notification: Performance of NFConvertDAE.convert: time 0.002907/0.4815, allocations: 2.164 MB / 0.658 GB, free: 21.64 MB / 0.5573 GB
Notification: Performance of FrontEnd - DAE generated: time 4.468e-06/0.4815, allocations: 0 / 0.658 GB, free: 21.64 MB / 0.5573 GB
Notification: Performance of FrontEnd: time 1.513e-06/0.4815, allocations: 0 / 0.658 GB, free: 21.64 MB / 0.5573 GB
Notification: Performance of Transformations before backend: time 7.334e-05/0.4816, allocations: 4.219 kB / 0.658 GB, free: 21.64 MB / 0.5573 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 277
 * Number of variables: 277
Notification: Performance of Generate backend data structure: time 0.002829/0.4844, allocations: 2.714 MB / 0.6606 GB, free: 20.2 MB / 0.5573 GB
Notification: Performance of prepare preOptimizeDAE: time 3.795e-05/0.4845, allocations: 9.625 kB / 0.6606 GB, free: 20.2 MB / 0.5573 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001742/0.4862, allocations: 0.7251 MB / 0.6613 GB, free: 20.02 MB / 0.5573 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005262/0.4915, allocations: 5.378 MB / 0.6666 GB, free: 19.43 MB / 0.5573 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.319e-05/0.4915, allocations: 87.59 kB / 0.6667 GB, free: 19.43 MB / 0.5573 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 9.526e-05/0.4916, allocations: 115.9 kB / 0.6668 GB, free: 19.43 MB / 0.5573 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001246/0.4929, allocations: 1.197 MB / 0.6679 GB, free: 18.73 MB / 0.5573 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.542e-05/0.4929, allocations: 7.188 kB / 0.6679 GB, free: 18.73 MB / 0.5573 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.619e-05/0.493, allocations: 49.83 kB / 0.668 GB, free: 18.73 MB / 0.5573 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.993e-05/0.493, allocations: 45.31 kB / 0.668 GB, free: 18.73 MB / 0.5573 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005602/0.4936, allocations: 371.7 kB / 0.6684 GB, free: 18.71 MB / 0.5573 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 0.005225/0.4988, allocations: 7.59 MB / 0.6758 GB, free: 13.44 MB / 0.5573 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0003303/0.4991, allocations: 147.8 kB / 0.6759 GB, free: 13.4 MB / 0.5573 GB
Notification: Performance of preOpt resolveLoops (simulation): time 7.869e-05/0.4992, allocations: 51.98 kB / 0.676 GB, free: 13.39 MB / 0.5573 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001097/0.4993, allocations: 23.48 kB / 0.676 GB, free: 13.39 MB / 0.5573 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.993e-05/0.4993, allocations: 36.17 kB / 0.676 GB, free: 13.35 MB / 0.5573 GB
Notification: Performance of pre-optimization done (n=18): time 2.946e-06/0.4993, allocations: 0.875 kB / 0.6761 GB, free: 13.35 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=18): time 0.0007318/0.5001, allocations: 355.7 kB / 0.6764 GB, free: 13.21 MB / 0.5573 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 2.131e-05/0.5001, allocations: 55.8 kB / 0.6764 GB, free: 13.14 MB / 0.5573 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002142/0.5022, allocations: 1.691 MB / 0.6781 GB, free: 12.82 MB / 0.5573 GB
Notification: Performance of collectPreVariables (initialization): time 5.029e-05/0.5023, allocations: 36.92 kB / 0.6781 GB, free: 12.79 MB / 0.5573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008216/0.5031, allocations: 1.187 MB / 0.6793 GB, free: 12.35 MB / 0.5573 GB
Notification: Performance of collectInitialBindings (initialization): time 5.867e-05/0.5032, allocations: 78.56 kB / 0.6794 GB, free: 12.3 MB / 0.5573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000218/0.5034, allocations: 191.1 kB / 0.6795 GB, free: 12.27 MB / 0.5573 GB
Notification: Performance of setup shared object (initialization): time 8.003e-05/0.5035, allocations: 0.5176 MB / 0.6801 GB, free: 11.78 MB / 0.5573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001482/0.5036, allocations: 83.44 kB / 0.6801 GB, free: 11.77 MB / 0.5573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004293/0.504, allocations: 0.8589 MB / 0.681 GB, free: 10.75 MB / 0.5573 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0006652/0.5047, allocations: 0.871 MB / 0.6818 GB, free: 9.906 MB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.063e-05/0.5047, allocations: 6.672 kB / 0.6818 GB, free: 9.906 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=98) (initialization): time 0.001112/0.5058, allocations: 0.7613 MB / 0.6826 GB, free: 9.773 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 2.971e-05/0.5059, allocations: 13 kB / 0.6826 GB, free: 9.773 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.048e-05/0.5059, allocations: 15.69 kB / 0.6826 GB, free: 9.773 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 4.32e-05/0.5059, allocations: 20.94 kB / 0.6826 GB, free: 9.773 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004833/0.5064, allocations: 198.4 kB / 0.6828 GB, free: 9.773 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.58e-05/0.5064, allocations: 37.34 kB / 0.6828 GB, free: 9.773 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008054/0.5072, allocations: 133.4 kB / 0.683 GB, free: 9.719 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.984e-05/0.5073, allocations: 41.12 kB / 0.683 GB, free: 9.719 MB / 0.5573 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004438/0.5078, allocations: 214.8 kB / 0.6832 GB, free: 9.586 MB / 0.5573 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003737/0.5081, allocations: 0.8555 MB / 0.684 GB, free: 8.559 MB / 0.5573 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006517/0.5088, allocations: 0.8751 MB / 0.6849 GB, free: 7.707 MB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.287e-06/0.5088, allocations: 4.281 kB / 0.6849 GB, free: 7.707 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=98) (initialization_lambda0): time 0.001001/0.5098, allocations: 0.7541 MB / 0.6856 GB, free: 7.57 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 1.961e-05/0.5098, allocations: 14.31 kB / 0.6857 GB, free: 7.57 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.066e-05/0.5098, allocations: 17.09 kB / 0.6857 GB, free: 7.57 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.48e-05/0.5099, allocations: 21.16 kB / 0.6857 GB, free: 7.57 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004158/0.5103, allocations: 195.7 kB / 0.6859 GB, free: 7.57 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.753e-05/0.5103, allocations: 33.55 kB / 0.6859 GB, free: 7.57 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006247/0.5109, allocations: 103.2 kB / 0.686 GB, free: 7.539 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.354e-05/0.511, allocations: 42.06 kB / 0.6861 GB, free: 7.539 MB / 0.5573 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 72
 * 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 (97):
 * Single equations (assignments): 96
 * Array equations: 1
 * 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 0.0002048/0.5112, allocations: 334.9 kB / 0.6864 GB, free: 7.258 MB / 0.5573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001689/0.5114, allocations: 191.3 kB / 0.6866 GB, free: 7.156 MB / 0.5573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002868/0.5117, allocations: 153.7 kB / 0.6867 GB, free: 7.133 MB / 0.5573 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.218e-06/0.5117, allocations: 3.5 kB / 0.6867 GB, free: 7.133 MB / 0.5573 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.159e-06/0.5117, allocations: 0 / 0.6867 GB, free: 7.133 MB / 0.5573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.477e-06/0.5117, allocations: 1.625 kB / 0.6867 GB, free: 7.133 MB / 0.5573 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002095/0.5138, allocations: 1.319 MB / 0.688 GB, free: 22.5 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.432e-06/0.5138, allocations: 3.969 kB / 0.688 GB, free: 22.5 MB / 0.573 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001401/0.5139, allocations: 44.28 kB / 0.688 GB, free: 22.5 MB / 0.573 GB
Notification: Performance of postOpt tearingSystem (simulation): time 9.318e-06/0.5139, allocations: 6.312 kB / 0.688 GB, free: 22.5 MB / 0.573 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.787e-05/0.5139, allocations: 13.17 kB / 0.6881 GB, free: 22.5 MB / 0.573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.005e-06/0.514, allocations: 6.484 kB / 0.6881 GB, free: 22.5 MB / 0.573 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.342e-06/0.514, allocations: 10.81 kB / 0.6881 GB, free: 22.5 MB / 0.573 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004686/0.5144, allocations: 0.4962 MB / 0.6886 GB, free: 22.1 MB / 0.573 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0002606/0.5147, allocations: 219.7 kB / 0.6888 GB, free: 22 MB / 0.573 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001174/0.5148, allocations: 14.48 kB / 0.6888 GB, free: 22 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003139/0.5151, allocations: 30.52 kB / 0.6888 GB, free: 22 MB / 0.573 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 3.572e-05/0.5152, allocations: 28.73 kB / 0.6888 GB, free: 21.99 MB / 0.573 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.637e-05/0.5152, allocations: 9 kB / 0.6888 GB, free: 21.99 MB / 0.573 GB
Notification: Performance of sorting global known variables: time 0.001015/0.5162, allocations: 0.8763 MB / 0.6897 GB, free: 21.8 MB / 0.573 GB
Notification: Performance of sort global known variables: time 9.1e-08/0.5162, allocations: 3.094 kB / 0.6897 GB, free: 21.8 MB / 0.573 GB
Notification: Performance of remove unused functions: time 0.002033/0.5182, allocations: 0.7428 MB / 0.6904 GB, free: 21.68 MB / 0.573 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 18
 * 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 (18):
 * Single equations (assignments): 18
 * 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 0.0003124/0.5185, allocations: 163.2 kB / 0.6906 GB, free: 21.59 MB / 0.573 GB
Notification: Performance of simCode: created initialization part: time 0.0009938/0.5195, allocations: 0.5867 MB / 0.6912 GB, free: 21.56 MB / 0.573 GB
Notification: Performance of simCode: created event and clocks part: time 4.699e-06/0.5195, allocations: 0 / 0.6912 GB, free: 21.56 MB / 0.573 GB
Notification: Performance of simCode: created simulation system equations: time 8.646e-05/0.5196, allocations: 63.39 kB / 0.6912 GB, free: 21.55 MB / 0.573 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002082/0.5217, allocations: 0.9584 MB / 0.6922 GB, free: 21.45 MB / 0.573 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003299/0.525, allocations: 2.718 MB / 0.6948 GB, free: 19.97 MB / 0.573 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003044/0.5253, allocations: 400 kB / 0.6952 GB, free: 19.87 MB / 0.573 GB
Notification: Performance of simCode: alias equations: time 0.001067/0.5264, allocations: 323.8 kB / 0.6955 GB, free: 19.81 MB / 0.573 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001042/0.5274, allocations: 0.7247 MB / 0.6962 GB, free: 19.74 MB / 0.573 GB
Notification: Performance of SimCode: time 2.264e-06/0.5274, allocations: 1.219 kB / 0.6962 GB, free: 19.74 MB / 0.573 GB
Notification: Performance of Templates: time 0.0433/0.5707, allocations: 32.73 MB / 0.7282 GB, free: 9.668 MB / 0.573 GB
"
[Timeout remaining time 659]
make -j1 -f IBPSA_latest_IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow.makefile [Timeout 660]
(rm -f IBPSA_latest_IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow.sim & ./IBPSA_latest_IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow -abortSlowSimulation -alarm=240  -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 4.670619824901223]