Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001523/0.001523, allocations: 105.8 kB / 18.84 MB, free: 3.023 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001763/0.001763, allocations: 190.8 kB / 22.11 MB, free: 4.223 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.507/1.507, allocations: 225.6 MB / 250.8 MB, free: 2.898 MB / 190.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo): time 2.977/2.977, allocations: 495.8 MB / 0.7831 GB, free: 12.26 MB / 0.6231 GB
"
[Timeout remaining time 176]
Using package Buildings with version 12.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: translateModel(Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|y1.y.1.|y1.y.2.|chi.m2_flow|chi.chi.m2_flow|TChiWatSupSet.y|chi.sta_a2.T|chi.sta_b2.T|chi.sta_a1.T|chi.sta_b1.T|chi.chi.PLR1|chi.chi.PLR2|dat.PLRMax|chi.chi.COP",fileNamePrefix="Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup")
translateModel(Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|y1.y.1.|y1.y.2.|chi.m2_flow|chi.chi.m2_flow|TChiWatSupSet.y|chi.sta_a2.T|chi.sta_b2.T|chi.sta_a1.T|chi.sta_b1.T|chi.chi.PLR1|chi.chi.PLR2|dat.PLRMax|chi.chi.COP",fileNamePrefix="Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup") [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 0.002031/0.002031, allocations: 71.89 kB / 1.137 GB, free: 12.21 MB / 0.92 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.21/1.212, allocations: 173.5 MB / 1.307 GB, free: 33.79 MB / 1.061 GB
Notification: Performance of NFInst.instantiate(Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup): time 0.2708/1.483, allocations: 238.2 MB / 1.539 GB, free: 10.4 MB / 1.217 GB
Notification: Performance of NFInst.instExpressions: time 0.07898/1.562, allocations: 43.22 MB / 1.582 GB, free: 15.07 MB / 1.264 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01234/1.574, allocations: 321.2 kB / 1.582 GB, free: 14.75 MB / 1.264 GB
Notification: Performance of NFTyping.typeComponents: time 0.01287/1.587, allocations: 3.301 MB / 1.585 GB, free: 11.43 MB / 1.264 GB
Notification: Performance of NFTyping.typeBindings: time 0.03019/1.617, allocations: 8.259 MB / 1.593 GB, free: 3.148 MB / 1.264 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0176/1.635, allocations: 5.908 MB / 1.599 GB, free: 13.29 MB / 1.279 GB
Notification: Performance of NFFlatten.flatten: time 0.04645/1.681, allocations: 26.9 MB / 1.625 GB, free: 2.316 MB / 1.295 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02174/1.703, allocations: 7.479 MB / 1.633 GB, free: 10.72 MB / 1.311 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.02876/1.732, allocations: 10.26 MB / 1.643 GB, free: 468 kB / 1.311 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.01598/1.748, allocations: 7.014 MB / 1.649 GB, free: 9.41 MB / 1.326 GB
Notification: Performance of NFPackage.collectConstants: time 0.005022/1.753, allocations: 1.047 MB / 1.65 GB, free: 8.363 MB / 1.326 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01399/1.767, allocations: 3.004 MB / 1.653 GB, free: 5.359 MB / 1.326 GB
Notification: Performance of NFScalarize.scalarize: time 0.007415/1.774, allocations: 2.694 MB / 1.656 GB, free: 2.656 MB / 1.326 GB
Notification: Performance of NFVerifyModel.verify: time 0.01672/1.791, allocations: 5.485 MB / 1.661 GB, free: 13.15 MB / 1.342 GB
Notification: Performance of NFConvertDAE.convert: time 0.03714/1.828, allocations: 18.17 MB / 1.679 GB, free: 10.92 MB / 1.357 GB
Notification: Performance of FrontEnd - DAE generated: time 7.795e-06/1.828, allocations: 0 / 1.679 GB, free: 10.92 MB / 1.357 GB
Notification: Performance of FrontEnd: time 1.883e-06/1.828, allocations: 0 / 1.679 GB, free: 10.92 MB / 1.357 GB
Notification: Performance of Transformations before backend: time 0.0006624/1.829, allocations: 0 / 1.679 GB, free: 10.92 MB / 1.357 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1232
 * Number of variables: 1232
Notification: Performance of Generate backend data structure: time 0.03247/1.861, allocations: 10.44 MB / 1.689 GB, free: 392 kB / 1.357 GB
Notification: Performance of prepare preOptimizeDAE: time 4.802e-05/1.861, allocations: 12.03 kB / 1.689 GB, free: 380 kB / 1.357 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01009/1.872, allocations: 1.458 MB / 1.691 GB, free: 14.91 MB / 1.373 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0254/1.897, allocations: 10.87 MB / 1.701 GB, free: 3.941 MB / 1.373 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006647/1.898, allocations: 466 kB / 1.702 GB, free: 3.473 MB / 1.373 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002187/1.9, allocations: 0.5194 MB / 1.702 GB, free: 2.953 MB / 1.373 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02069/1.92, allocations: 7.349 MB / 1.709 GB, free: 11.43 MB / 1.389 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001401/1.921, allocations: 11.94 kB / 1.709 GB, free: 11.42 MB / 1.389 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008633/1.921, allocations: 208 kB / 1.71 GB, free: 11.21 MB / 1.389 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001691/1.922, allocations: 136 kB / 1.71 GB, free: 11.08 MB / 1.389 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01692/1.939, allocations: 6.36 MB / 1.716 GB, free: 4.707 MB / 1.389 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 0.06404/2.003, allocations: 34.3 MB / 1.749 GB, free: 216 kB / 1.42 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00636/2.009, allocations: 2.477 MB / 1.752 GB, free: 13.73 MB / 1.436 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00409/2.013, allocations: 1.75 MB / 1.754 GB, free: 11.98 MB / 1.436 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001031/2.014, allocations: 245.8 kB / 1.754 GB, free: 11.73 MB / 1.436 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004387/2.018, allocations: 1.885 MB / 1.756 GB, free: 9.84 MB / 1.436 GB
Notification: Performance of pre-optimization done (n=212): time 4.959e-06/2.018, allocations: 0 / 1.756 GB, free: 9.84 MB / 1.436 GB
Notification: Performance of matching and sorting (n=212): time 0.01548/2.034, allocations: 5.129 MB / 1.761 GB, free: 4.703 MB / 1.436 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.268e-05/2.034, allocations: 77.39 kB / 1.761 GB, free: 4.613 MB / 1.436 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02104/2.055, allocations: 9.124 MB / 1.77 GB, free: 11.5 MB / 1.451 GB
Notification: Performance of collectPreVariables (initialization): time 0.001236/2.056, allocations: 89.69 kB / 1.77 GB, free: 11.41 MB / 1.451 GB
Notification: Performance of collectInitialEqns (initialization): time 0.006219/2.063, allocations: 3.801 MB / 1.773 GB, free: 7.594 MB / 1.451 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001897/2.064, allocations: 0.7786 MB / 1.774 GB, free: 6.809 MB / 1.451 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001732/2.066, allocations: 0.7767 MB / 1.775 GB, free: 6.023 MB / 1.451 GB
Notification: Performance of setup shared object (initialization): time 0.0001577/2.066, allocations: 309.1 kB / 1.775 GB, free: 5.719 MB / 1.451 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004252/2.071, allocations: 1.735 MB / 1.777 GB, free: 3.98 MB / 1.451 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007342/2.078, allocations: 3.353 MB / 1.78 GB, free: 16 MB / 1.467 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01106/2.089, allocations: 4.414 MB / 1.785 GB, free: 11.12 MB / 1.467 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.259e-05/2.089, allocations: 16 kB / 1.785 GB, free: 11.11 MB / 1.467 GB
Notification: Performance of matching and sorting (n=402) (initialization): time 0.01628/2.105, allocations: 5.239 MB / 1.79 GB, free: 5.816 MB / 1.467 GB
Notification: Performance of prepare postOptimizeDAE: time 4.941e-05/2.105, allocations: 20 kB / 1.79 GB, free: 5.797 MB / 1.467 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.252e-05/2.105, allocations: 28 kB / 1.79 GB, free: 5.77 MB / 1.467 GB
Notification: Performance of postOpt tearingSystem (initialization): time 6.842e-05/2.105, allocations: 51.94 kB / 1.79 GB, free: 5.719 MB / 1.467 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003741/2.109, allocations: 0.8314 MB / 1.791 GB, free: 4.887 MB / 1.467 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.606e-05/2.109, allocations: 67.78 kB / 1.791 GB, free: 4.82 MB / 1.467 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008688/2.118, allocations: 0.6612 MB / 1.791 GB, free: 4.156 MB / 1.467 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00101/2.119, allocations: 160 kB / 1.791 GB, free: 4 MB / 1.467 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 140
 * Number of states: 0 ()
 * Number of discrete variables: 16 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,chi.chi.tru.y,y1.intTimTab.idx,$PRE.y1.intTimTab.idx,y1.intTimTab.y[2],$PRE.y1.intTimTab.y[2],y1.intTimTab.y[1],$PRE.y1.intTimTab.y[1],y1.y[2],chi.com.y1One,chi.y1[1])
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (402):
 * Single equations (assignments): 402
 * 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 0.007888/2.127, allocations: 3.011 MB / 1.794 GB, free: 0.9727 MB / 1.467 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003553/2.13, allocations: 0.7569 MB / 1.795 GB, free: 216 kB / 1.467 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01183/2.142, allocations: 4.228 MB / 1.799 GB, free: 11.98 MB / 1.482 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.938e-05/2.142, allocations: 27.98 kB / 1.799 GB, free: 11.95 MB / 1.482 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 9.648e-06/2.142, allocations: 0 / 1.799 GB, free: 11.95 MB / 1.482 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.007481/2.15, allocations: 3.332 MB / 1.803 GB, free: 8.57 MB / 1.482 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 postOpt removeSimpleEquations (simulation): time 0.03137/2.181, allocations: 11.32 MB / 1.814 GB, free: 13.1 MB / 1.498 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.522e-05/2.181, allocations: 12.25 kB / 1.814 GB, free: 13.09 MB / 1.498 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002936/2.184, allocations: 0.5617 MB / 1.814 GB, free: 12.53 MB / 1.498 GB
Notification: Performance of postOpt tearingSystem (simulation): time 3.426e-05/2.184, allocations: 12 kB / 1.814 GB, free: 12.52 MB / 1.498 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003224/2.185, allocations: 71.94 kB / 1.814 GB, free: 12.45 MB / 1.498 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.845e-05/2.185, allocations: 15.94 kB / 1.814 GB, free: 12.43 MB / 1.498 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.136e-06/2.185, allocations: 0 / 1.814 GB, free: 12.43 MB / 1.498 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01564/2.2, allocations: 6.352 MB / 1.82 GB, free: 6.031 MB / 1.498 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.005934/2.206, allocations: 1.404 MB / 1.822 GB, free: 4.621 MB / 1.498 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003137/2.209, allocations: 52 kB / 1.822 GB, free: 4.57 MB / 1.498 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006274/2.216, allocations: 279.5 kB / 1.822 GB, free: 4.297 MB / 1.498 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005103/2.216, allocations: 149.7 kB / 1.822 GB, free: 4.148 MB / 1.498 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005094/2.217, allocations: 119.9 kB / 1.822 GB, free: 4.031 MB / 1.498 GB
Notification: Performance of sorting global known variables: time 0.01629/2.233, allocations: 6.499 MB / 1.829 GB, free: 13.55 MB / 1.514 GB
Notification: Performance of sort global known variables: time 2.21e-07/2.233, allocations: 0 / 1.829 GB, free: 13.55 MB / 1.514 GB
Notification: Performance of remove unused functions: time 0.011/2.244, allocations: 2.094 MB / 1.831 GB, free: 11.46 MB / 1.514 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 9
 * Number of states: 16 (chi.chi.vol1.dynBal.U,chi.chi.vol2.dynBal.U,chi.valEva.junInl[1].vol.dynBal.U,chi.valEva.junInl[2].vol.dynBal.U,chi.valEva.junOut[1].vol.dynBal.U,chi.valEva.junOut[2].vol.dynBal.U,chi.valEva.val[1].actPos.y,chi.valEva.val[2].actPos.y,chi.valCon.junInl[1].vol.dynBal.U,chi.valCon.junInl[2].vol.dynBal.U,chi.valCon.junOut[1].vol.dynBal.U,chi.valCon.junOut[2].vol.dynBal.U,chi.valCon.val[1].actPos.y,chi.valCon.val[2].actPos.y,chi.temConLvg.T,chi.temEvaLvg.T)
 * Number of discrete variables: 12 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,chi.y1[1],chi.com.y1One,y1.y[2],y1.intTimTab.y[1],y1.intTimTab.y[2],y1.intTimTab.idx)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (222):
 * Single equations (assignments): 209
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 10
 * When equations: 3
 * 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 0.003046/2.247, allocations: 1.098 MB / 1.832 GB, free: 10.38 MB / 1.514 GB
Notification: Performance of simCode: created initialization part: time 0.009815/2.257, allocations: 3.838 MB / 1.836 GB, free: 6.539 MB / 1.514 GB
Notification: Performance of simCode: created event and clocks part: time 1.176e-05/2.257, allocations: 0 / 1.836 GB, free: 6.539 MB / 1.514 GB
Notification: Performance of simCode: created simulation system equations: time 0.004211/2.261, allocations: 1.649 MB / 1.837 GB, free: 4.895 MB / 1.514 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02697/2.288, allocations: 4.592 MB / 1.842 GB, free: 468 kB / 1.514 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04007/2.328, allocations: 16.12 MB / 1.857 GB, free: 276 kB / 1.529 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01003/2.338, allocations: 5.438 MB / 1.863 GB, free: 10.8 MB / 1.545 GB
Notification: Performance of simCode: alias equations: time 0.01023/2.348, allocations: 2.093 MB / 1.865 GB, free: 8.727 MB / 1.545 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.003059/2.351, allocations: 0.5305 MB / 1.865 GB, free: 8.195 MB / 1.545 GB
Notification: Performance of SimCode: time 2.234e-06/2.351, allocations: 0 / 1.865 GB, free: 8.195 MB / 1.545 GB
Notification: Performance of Templates: time 1.751/4.103, allocations: 159.1 MB / 2.021 GB, free: 405.7 MB / 1.545 GB
"
[Timeout remaining time 296]
make -j1 -f Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup.makefile [Timeout 300]
(rm -f Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup.pipe ; mkfifo Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup.pipe ; head -c 1048576 < Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup.pipe >> ../files/Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup.sim & ./Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup  -abortSlowSimulation -alarm=400  -emit_protected -lv LOG_STATS > Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup.pipe 2>&1) [Timeout 400]
diffSimulationResults("Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_DHC_Plants_Combined_Subsystems_Validation_ChillerGroup.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.DHC.Plants.Combined.Subsystems.Validation.ChillerGroup.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: 17.355371721088886]