Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer.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 0.002014/0.002014, allocations: 85.48 kB / 19.44 MB, free: 344 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 0.002473/0.002473, allocations: 173.2 kB / 22.76 MB, free: 1.664 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 1.699/1.699, allocations: 177.1 MB / 203.1 MB, free: 5.629 MB / 186.7 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo", uses=false) [Timeout 180]
"[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-535:34:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-535:42:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo): time 1.41/1.41, allocations: 154.8 MB / 414.3 MB, free: 484 kB / 378.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 178]
Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 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(IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer")
translateModel(IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 2.484e-06/2.484e-06, allocations: 0 / 0.5199 GB, free: 2.289 MB / 490.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 3.81e-05/4.059e-05, allocations: 2.312 kB / 0.5199 GB, free: 2.285 MB / 490.7 MB
Notification: Performance of NFInst.instantiate(IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer): time 0.01241/0.01245, allocations: 5.28 MB / 0.525 GB, free: 13 MB / 0.4948 GB
Notification: Performance of NFInst.instExpressions: time 0.01433/0.02678, allocations: 5.546 MB / 0.5304 GB, free: 7.465 MB / 0.4948 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001678/0.02846, allocations: 43.62 kB / 0.5305 GB, free: 7.422 MB / 0.4948 GB
Notification: Performance of NFTyping.typeComponents: time 0.006279/0.03474, allocations: 1.432 MB / 0.5319 GB, free: 5.992 MB / 0.4948 GB
Notification: Performance of NFTyping.typeBindings: time 0.003215/0.03796, allocations: 0.5383 MB / 0.5324 GB, free: 5.453 MB / 0.4948 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001396/0.03935, allocations: 273.9 kB / 0.5327 GB, free: 5.191 MB / 0.4948 GB
Notification: Performance of NFFlatten.flatten: time 0.01189/0.05124, allocations: 5.654 MB / 0.5382 GB, free: 15.53 MB / 0.5105 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00215/0.05339, allocations: 0.6045 MB / 0.5388 GB, free: 14.89 MB / 0.5105 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.009/0.06239, allocations: 2.789 MB / 0.5415 GB, free: 12.11 MB / 0.5105 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005956/0.06835, allocations: 1.829 MB / 0.5433 GB, free: 10.27 MB / 0.5105 GB
Notification: Performance of NFPackage.collectConstants: time 0.001726/0.07007, allocations: 320.8 kB / 0.5436 GB, free: 9.961 MB / 0.5105 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002273/0.07234, allocations: 316 kB / 0.5439 GB, free: 9.652 MB / 0.5105 GB
Notification: Performance of NFScalarize.scalarize: time 0.00177/0.07412, allocations: 0.8572 MB / 0.5447 GB, free: 8.793 MB / 0.5105 GB
Notification: Performance of NFVerifyModel.verify: time 0.004643/0.07876, allocations: 1.122 MB / 0.5458 GB, free: 7.668 MB / 0.5105 GB
Notification: Performance of NFConvertDAE.convert: time 0.01093/0.08969, allocations: 5.18 MB / 0.5509 GB, free: 2.473 MB / 0.5105 GB
Notification: Performance of FrontEnd - DAE generated: time 8.055e-06/0.08969, allocations: 1 kB / 0.5509 GB, free: 2.473 MB / 0.5105 GB
Notification: Performance of FrontEnd: time 1.653e-06/0.0897, allocations: 0 / 0.5509 GB, free: 2.473 MB / 0.5105 GB
Notification: Performance of Transformations before backend: time 0.0001987/0.08989, allocations: 2.531 kB / 0.5509 GB, free: 2.473 MB / 0.5105 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 216
 * Number of variables: 216
Notification: Performance of Generate backend data structure: time 0.01734/0.1072, allocations: 4.869 MB / 0.5556 GB, free: 13.54 MB / 0.5261 GB
Notification: Performance of prepare preOptimizeDAE: time 5.579e-05/0.1073, allocations: 14.31 kB / 0.5557 GB, free: 13.53 MB / 0.5261 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002222/0.1095, allocations: 482.2 kB / 0.5561 GB, free: 13.06 MB / 0.5261 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.01481/0.1243, allocations: 4.669 MB / 0.5607 GB, free: 8.32 MB / 0.5261 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001586/0.1245, allocations: 74.38 kB / 0.5607 GB, free: 8.246 MB / 0.5261 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006416/0.1251, allocations: 104.3 kB / 0.5608 GB, free: 8.145 MB / 0.5261 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.003671/0.1288, allocations: 1.163 MB / 0.562 GB, free: 6.93 MB / 0.5261 GB
Notification: Performance of preOpt findStateOrder (simulation): time 3.782e-05/0.1288, allocations: 3.938 kB / 0.562 GB, free: 6.926 MB / 0.5261 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001805/0.129, allocations: 32 kB / 0.562 GB, free: 6.895 MB / 0.5261 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.119e-05/0.129, allocations: 20 kB / 0.562 GB, free: 6.875 MB / 0.5261 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002121/0.1312, allocations: 0.7004 MB / 0.5627 GB, free: 6.176 MB / 0.5261 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02012/0.1513, allocations: 7.08 MB / 0.5696 GB, free: 14.98 MB / 0.5417 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004229/0.1555, allocations: 1.037 MB / 0.5706 GB, free: 13.94 MB / 0.5417 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0008783/0.1564, allocations: 297.9 kB / 0.5709 GB, free: 13.65 MB / 0.5417 GB
Notification: Performance of preOpt evalFunc (simulation): time 8.757e-05/0.1565, allocations: 12.66 kB / 0.5709 GB, free: 13.64 MB / 0.5417 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.655e-05/0.1565, allocations: 42.05 kB / 0.571 GB, free: 13.58 MB / 0.5417 GB
Notification: Performance of pre-optimization done (n=66): time 4.188e-06/0.1565, allocations: 1 kB / 0.571 GB, free: 13.58 MB / 0.5417 GB
Notification: Performance of matching and sorting (n=70): time 0.009389/0.1659, allocations: 2.635 MB / 0.5736 GB, free: 10.9 MB / 0.5417 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.077e-05/0.166, allocations: 60 kB / 0.5736 GB, free: 10.83 MB / 0.5417 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01457/0.1806, allocations: 5.428 MB / 0.5789 GB, free: 5.363 MB / 0.5417 GB
Notification: Performance of collectPreVariables (initialization): time 0.000374/0.1809, allocations: 41.7 kB / 0.579 GB, free: 5.316 MB / 0.5417 GB
Notification: Performance of collectInitialEqns (initialization): time 0.003966/0.1849, allocations: 2.09 MB / 0.581 GB, free: 3.211 MB / 0.5417 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0006543/0.1856, allocations: 308.3 kB / 0.5813 GB, free: 2.91 MB / 0.5417 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006864/0.1863, allocations: 212.3 kB / 0.5815 GB, free: 2.695 MB / 0.5417 GB
Notification: Performance of setup shared object (initialization): time 0.0004302/0.1867, allocations: 0.5629 MB / 0.582 GB, free: 2.125 MB / 0.5417 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008058/0.1875, allocations: 209.8 kB / 0.5822 GB, free: 1.922 MB / 0.5417 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001558/0.189, allocations: 1.05 MB / 0.5833 GB, free: 0.6328 MB / 0.5417 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00172/0.1908, allocations: 0.7011 MB / 0.584 GB, free: 15.88 MB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.328e-06/0.1908, allocations: 0 / 0.584 GB, free: 15.88 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=95) (initialization): time 0.003817/0.1946, allocations: 1.161 MB / 0.5851 GB, free: 14.68 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 3.473e-05/0.1946, allocations: 8.656 kB / 0.5851 GB, free: 14.68 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.438e-05/0.1946, allocations: 0 / 0.5851 GB, free: 14.68 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001157/0.1958, allocations: 209.2 kB / 0.5853 GB, free: 14.45 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009973/0.1968, allocations: 217.8 kB / 0.5855 GB, free: 14.24 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01125/0.208, allocations: 10.89 MB / 0.5961 GB, free: 2.621 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002415/0.2105, allocations: 120.8 kB / 0.5963 GB, free: 2.504 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002677/0.2107, allocations: 24 kB / 0.5963 GB, free: 2.48 MB / 0.5573 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 14
 * 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 (87):
 * Single equations (assignments): 81
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 6
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 6 systems
   {(1,2,100.0%), (1,1,100.0%), (1,2,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.002786/0.2135, allocations: 1.08 MB / 0.5973 GB, free: 1.391 MB / 0.5573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001379/0.2149, allocations: 377.6 kB / 0.5977 GB, free: 1.02 MB / 0.5573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003736/0.2186, allocations: 1.032 MB / 0.5987 GB, free: 15.96 MB / 0.573 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.088e-05/0.2186, allocations: 4.562 kB / 0.5987 GB, free: 15.95 MB / 0.573 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.351e-05/0.2186, allocations: 4.719 kB / 0.5987 GB, free: 15.95 MB / 0.573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.238e-05/0.2187, allocations: 3.984 kB / 0.5987 GB, free: 15.95 MB / 0.573 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01269/0.2314, allocations: 4.038 MB / 0.6027 GB, free: 11.78 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.653e-05/0.2314, allocations: 11.92 kB / 0.6027 GB, free: 11.77 MB / 0.573 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000914/0.2323, allocations: 182.1 kB / 0.6028 GB, free: 11.59 MB / 0.573 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.001034/0.2333, allocations: 196.6 kB / 0.603 GB, free: 11.38 MB / 0.573 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000142/0.2335, allocations: 39.97 kB / 0.6031 GB, free: 11.34 MB / 0.573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01076/0.2442, allocations: 10.94 MB / 0.6137 GB, free: 15.67 MB / 0.5886 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.272e-05/0.2442, allocations: 3.938 kB / 0.6138 GB, free: 15.66 MB / 0.5886 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004785/0.249, allocations: 1.654 MB / 0.6154 GB, free: 13.91 MB / 0.5886 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002088/0.2511, allocations: 389.5 kB / 0.6157 GB, free: 13.52 MB / 0.5886 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001172/0.2523, allocations: 35.97 kB / 0.6158 GB, free: 13.49 MB / 0.5886 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001715/0.254, allocations: 63.91 kB / 0.6158 GB, free: 13.43 MB / 0.5886 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003144/0.2543, allocations: 76.25 kB / 0.6159 GB, free: 13.35 MB / 0.5886 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.71e-05/0.2544, allocations: 20 kB / 0.6159 GB, free: 13.33 MB / 0.5886 GB
Notification: Performance of sorting global known variables: time 0.009138/0.2635, allocations: 3.345 MB / 0.6192 GB, free: 9.98 MB / 0.5886 GB
Notification: Performance of sort global known variables: time 2e-07/0.2635, allocations: 4 kB / 0.6192 GB, free: 9.977 MB / 0.5886 GB
Notification: Performance of remove unused functions: time 0.003725/0.2672, allocations: 448 kB / 0.6196 GB, free: 9.539 MB / 0.5886 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 13
 * Number of states: 12 (cavityWall.monLay[1].monLayDyn.T[1],cavityWall.monLay[3].monLayDyn.T[2],cavityWall.monLay[3].monLayDyn.T[3],cavityWall.monLay[4].monLayDyn.T[1],cavityWall.monLay[4].monLayDyn.T[2],cavityWall.monLay[4].monLayDyn.T[3],TABS.monLay[1].monLayDyn.T[2],TABS.monLay[2].monLayDyn.T[1],TABS.monLay[2].monLayDyn.T[2],TABS.monLay[2].monLayDyn.T[3],TABS.monLay[3].monLayDyn.T[1],TABS.monLay[4].monLayDyn.T[1])
 * 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 (62):
 * Single equations (assignments): 56
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 6
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 6 systems
   {(1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,2,100.0%), (1,2,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of Backend phase and start with SimCode phase: time 0.0004822/0.2677, allocations: 137.1 kB / 0.6198 GB, free: 9.398 MB / 0.5886 GB
Notification: Performance of simCode: created initialization part: time 0.004084/0.2718, allocations: 1.755 MB / 0.6215 GB, free: 7.531 MB / 0.5886 GB
Notification: Performance of simCode: created event and clocks part: time 1.073e-05/0.2718, allocations: 4 kB / 0.6215 GB, free: 7.527 MB / 0.5886 GB
Notification: Performance of simCode: created simulation system equations: time 0.002286/0.2741, allocations: 1.398 MB / 0.6228 GB, free: 6.023 MB / 0.5886 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006627/0.2807, allocations: 0.7916 MB / 0.6236 GB, free: 5.258 MB / 0.5886 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01539/0.2961, allocations: 6.595 MB / 0.63 GB, free: 14.55 MB / 0.6042 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003236/0.2994, allocations: 1.944 MB / 0.6319 GB, free: 12.56 MB / 0.6042 GB
Notification: Performance of simCode: alias equations: time 0.002801/0.3022, allocations: 0.6045 MB / 0.6325 GB, free: 11.95 MB / 0.6042 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006514/0.3028, allocations: 176.5 kB / 0.6327 GB, free: 11.78 MB / 0.6042 GB
Notification: Performance of SimCode: time 2.325e-06/0.3028, allocations: 0 / 0.6327 GB, free: 11.78 MB / 0.6042 GB
Notification: Performance of Templates: time 0.08069/0.3835, allocations: 34.61 MB / 0.6665 GB, free: 9.809 MB / 0.6355 GB
"
[Timeout remaining time 660]
make -j1 -f IDEAS_dev_IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer.makefile [Timeout 660]
(rm -f IDEAS_dev_IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer.pipe ; mkfifo IDEAS_dev_IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer.pipe >> ../files/IDEAS_dev_IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer.sim & ./IDEAS_dev_IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer -abortSlowSimulation -alarm=240  -lv LOG_STATS > IDEAS_dev_IDEAS.Buildings.Components.BaseClasses.ConductiveHeatTransfer.Examples.MultiLayer.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 8.708987067919225]