Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.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 0.001883/0.001883, allocations: 99.53 kB / 21.73 MB, free: 2.688 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 0.001934/0.001934, allocations: 165.8 kB / 25.03 MB, free: 8.426 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.354/1.354, allocations: 158.6 MB / 186.8 MB, free: 2.91 MB / 170.7 MB " [Timeout remaining time 178] Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Modelica.Fluid.Examples.HeatingSystem,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|heater.mediums.1..h|heater.mediums.1..p|pipe.mediums.1..h|pipe.mediums.1..p|pipe.mediums.2..h|pipe.mediums.2..p|radiator.mediums.1..h|radiator.mediums.1..p|tank.level|tank.medium.h",fileNamePrefix="Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem") translateModel(Modelica.Fluid.Examples.HeatingSystem,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|heater.mediums.1..h|heater.mediums.1..p|pipe.mediums.1..h|pipe.mediums.1..p|pipe.mediums.2..h|pipe.mediums.2..p|radiator.mediums.1..h|radiator.mediums.1..p|tank.level|tank.medium.h",fileNamePrefix="Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.653e-06/1.653e-06, allocations: 0 / 250.4 MB, free: 3.949 MB / 234.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.491e-05/2.656e-05, allocations: 2.312 kB / 250.4 MB, free: 3.945 MB / 234.7 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.HeatingSystem): time 0.2281/0.2281, allocations: 91.94 MB / 342.3 MB, free: 8.523 MB / 282.7 MB Notification: Performance of NFInst.instExpressions: time 0.03051/0.2586, allocations: 21.15 MB / 363.4 MB, free: 7.281 MB / 298.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003628/0.2623, allocations: 130.9 kB / 363.6 MB, free: 7.152 MB / 298.7 MB Notification: Performance of NFTyping.typeComponents: time 0.003287/0.2655, allocations: 0.9197 MB / 364.5 MB, free: 6.227 MB / 298.7 MB Notification: Performance of NFTyping.typeBindings: time 0.01168/0.2772, allocations: 3.99 MB / 368.5 MB, free: 2.211 MB / 298.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.01745/0.2947, allocations: 6.65 MB / 375.1 MB, free: 11.55 MB / 314.7 MB Notification: Performance of NFFlatten.flatten: time 0.01117/0.3058, allocations: 6.934 MB / 382.1 MB, free: 4.594 MB / 314.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003736/0.3096, allocations: 1.686 MB / 383.7 MB, free: 2.883 MB / 314.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.3436/0.6532, allocations: 75.24 MB / 459 MB, free: 62.42 MB / 378.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.06696/0.7201, allocations: 31.73 MB / 490.7 MB, free: 53.16 MB / 378.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0008957/0.721, allocations: 253.5 kB / 491 MB, free: 53.16 MB / 378.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01501/0.736, allocations: 5.431 MB / 496.4 MB, free: 51.44 MB / 378.7 MB Notification: Performance of NFScalarize.scalarize: time 0.00184/0.7379, allocations: 1.187 MB / 497.6 MB, free: 50.82 MB / 378.7 MB Notification: Performance of NFVerifyModel.verify: time 0.002343/0.7402, allocations: 1.069 MB / 498.6 MB, free: 50.16 MB / 378.7 MB Notification: Performance of NFConvertDAE.convert: time 0.008885/0.7491, allocations: 5.758 MB / 0.4926 GB, free: 46.16 MB / 378.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.879e-06/0.7491, allocations: 0 / 0.4926 GB, free: 46.16 MB / 378.7 MB Notification: Performance of FrontEnd: time 1.583e-06/0.7491, allocations: 0 / 0.4926 GB, free: 46.16 MB / 378.7 MB Notification: Performance of Transformations before backend: time 6.354e-05/0.7492, allocations: 0 / 0.4926 GB, free: 46.16 MB / 378.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 538 * Number of variables: 538 Notification: Performance of Generate backend data structure: time 0.007381/0.7565, allocations: 3.791 MB / 0.4963 GB, free: 42.88 MB / 378.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.669e-05/0.7566, allocations: 15.98 kB / 0.4963 GB, free: 42.86 MB / 378.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001065/0.7576, allocations: 0.5001 MB / 0.4968 GB, free: 42.42 MB / 378.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00266/0.7603, allocations: 1.635 MB / 0.4984 GB, free: 41.13 MB / 378.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001483/0.7605, allocations: 269.2 kB / 0.4986 GB, free: 40.91 MB / 378.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003087/0.7608, allocations: 206.1 kB / 0.4988 GB, free: 40.78 MB / 378.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003614/0.7644, allocations: 2.881 MB / 0.5017 GB, free: 38.29 MB / 378.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 5.184e-05/0.7644, allocations: 7.141 kB / 0.5017 GB, free: 38.29 MB / 378.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002312/0.7647, allocations: 82.88 kB / 0.5017 GB, free: 38.27 MB / 378.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002368/0.7649, allocations: 252 kB / 0.502 GB, free: 38.05 MB / 378.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003238/0.7681, allocations: 1.848 MB / 0.5038 GB, free: 36.64 MB / 378.7 MB 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 0.01546/0.7836, allocations: 10.94 MB / 0.5145 GB, free: 26.06 MB / 378.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003034/0.7866, allocations: 1.632 MB / 0.5161 GB, free: 24.42 MB / 378.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001546/0.7882, allocations: 0.9263 MB / 0.517 GB, free: 23.5 MB / 378.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.006874/0.795, allocations: 3.037 MB / 0.5199 GB, free: 20.49 MB / 378.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.068e-05/0.7951, allocations: 59.33 kB / 0.52 GB, free: 20.42 MB / 378.7 MB Notification: Performance of preOpt simplifyInStream (simulation): time 0.000614/0.7957, allocations: 154.1 kB / 0.5201 GB, free: 20.27 MB / 378.7 MB Notification: Performance of pre-optimization done (n=170): time 3.847e-06/0.7957, allocations: 4 kB / 0.5201 GB, free: 20.27 MB / 378.7 MB Notification: Performance of matching and sorting (n=196): time 0.01886/0.8146, allocations: 7.249 MB / 0.5272 GB, free: 13.03 MB / 378.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.24e-05/0.8146, allocations: 69.41 kB / 0.5273 GB, free: 12.95 MB / 378.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002018/0.8166, allocations: 1.764 MB / 0.529 GB, free: 11.16 MB / 378.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0002719/0.8169, allocations: 57.7 kB / 0.5291 GB, free: 11.1 MB / 378.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005679/0.8175, allocations: 1.223 MB / 0.5303 GB, free: 9.879 MB / 378.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005028/0.818, allocations: 0.7539 MB / 0.531 GB, free: 9.133 MB / 378.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007284/0.8187, allocations: 0.5257 MB / 0.5315 GB, free: 8.602 MB / 378.7 MB Notification: Performance of setup shared object (initialization): time 6.03e-05/0.8187, allocations: 480.8 kB / 0.532 GB, free: 8.129 MB / 378.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001368/0.8201, allocations: 0.8181 MB / 0.5328 GB, free: 7.301 MB / 378.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001825/0.8219, allocations: 1.703 MB / 0.5344 GB, free: 5.273 MB / 378.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.003438/0.8254, allocations: 2.782 MB / 0.5371 GB, free: 2.234 MB / 378.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.392e-05/0.8254, allocations: 4 kB / 0.5371 GB, free: 2.23 MB / 378.7 MB Notification: Performance of matching and sorting (n=298) (initialization): time 0.00656/0.832, allocations: 3.323 MB / 0.5404 GB, free: 15.01 MB / 394.7 MB Notification: Performance of prepare postOptimizeDAE: time 3.637e-05/0.832, allocations: 12 kB / 0.5404 GB, free: 15 MB / 394.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.198e-05/0.832, allocations: 20.84 kB / 0.5404 GB, free: 14.98 MB / 394.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01526/0.8473, allocations: 3.413 MB / 0.5438 GB, free: 11.56 MB / 394.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00143/0.8487, allocations: 324.9 kB / 0.5441 GB, free: 11.27 MB / 394.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00678/0.8555, allocations: 3.249 MB / 0.5472 GB, free: 7.996 MB / 394.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001947/0.8574, allocations: 99.88 kB / 0.5473 GB, free: 7.898 MB / 394.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002714/0.8577, allocations: 112 kB / 0.5474 GB, free: 7.789 MB / 394.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00282/0.8605, allocations: 1.132 MB / 0.5485 GB, free: 6.648 MB / 394.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002724/0.8633, allocations: 1.69 MB / 0.5502 GB, free: 4.617 MB / 394.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004777/0.868, allocations: 2.718 MB / 0.5529 GB, free: 1.637 MB / 394.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.356e-05/0.868, allocations: 4.703 kB / 0.5529 GB, free: 1.633 MB / 394.7 MB Notification: Performance of matching and sorting (n=298) (initialization_lambda0): time 0.007202/0.8752, allocations: 3.173 MB / 0.556 GB, free: 14.56 MB / 410.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.958e-05/0.8753, allocations: 12 kB / 0.556 GB, free: 14.55 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.648e-05/0.8753, allocations: 16 kB / 0.556 GB, free: 14.53 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01048/0.8858, allocations: 2.505 MB / 0.5584 GB, free: 12.02 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001769/0.8875, allocations: 376.9 kB / 0.5588 GB, free: 11.68 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005821/0.8934, allocations: 2.919 MB / 0.5616 GB, free: 8.734 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002353/0.8957, allocations: 91.95 kB / 0.5617 GB, free: 8.645 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003272/0.896, allocations: 108 kB / 0.5618 GB, free: 8.539 MB / 410.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 78 * Number of states: 0 () * Number of discrete variables: 4 (tank.inFlow[2],tank.inFlow[1],tank.regularFlow[2],tank.regularFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (174): * Single equations (assignments): 173 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(18,107)} Notification: Performance of prepare postOptimizeDAE: time 0.0008441/0.8969, allocations: 404.9 kB / 0.5622 GB, free: 8.156 MB / 410.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007392/0.8976, allocations: 270.7 kB / 0.5625 GB, free: 7.891 MB / 410.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007712/0.9053, allocations: 3.148 MB / 0.5656 GB, free: 4.73 MB / 410.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.28e-05/0.9054, allocations: 23.98 kB / 0.5656 GB, free: 4.707 MB / 410.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.351e-05/0.9054, allocations: 4 kB / 0.5656 GB, free: 4.703 MB / 410.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.005708/0.9111, allocations: 2.608 MB / 0.5681 GB, free: 2.008 MB / 410.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01196/0.9231, allocations: 5.065 MB / 0.5731 GB, free: 12.94 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.477e-06/0.9231, allocations: 0 / 0.5731 GB, free: 12.94 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001525/0.9246, allocations: 316.9 kB / 0.5734 GB, free: 12.64 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.00459/0.9292, allocations: 1.098 MB / 0.5744 GB, free: 11.52 MB / 426.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002408/0.9294, allocations: 71.95 kB / 0.5745 GB, free: 11.45 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01389/0.9433, allocations: 13.6 MB / 0.5878 GB, free: 13.19 MB / 442.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.934e-06/0.9433, allocations: 4.062 kB / 0.5878 GB, free: 13.19 MB / 442.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.009104/0.9524, allocations: 3.91 MB / 0.5916 GB, free: 9.246 MB / 442.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.00161/0.954, allocations: 470.2 kB / 0.5921 GB, free: 8.785 MB / 442.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003626/0.9544, allocations: 55.98 kB / 0.5921 GB, free: 8.73 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001258/0.9556, allocations: 71.89 kB / 0.5922 GB, free: 8.66 MB / 442.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004702/0.9561, allocations: 172.2 kB / 0.5924 GB, free: 8.496 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002157/0.9563, allocations: 83.95 kB / 0.5924 GB, free: 8.414 MB / 442.7 MB Notification: Performance of sorting global known variables: time 0.001745/0.9581, allocations: 0.99 MB / 0.5934 GB, free: 7.43 MB / 442.7 MB Notification: Performance of sort global known variables: time 1e-07/0.9581, allocations: 0 / 0.5934 GB, free: 7.43 MB / 442.7 MB Notification: Performance of remove unused functions: time 0.005096/0.9632, allocations: 1.739 MB / 0.5951 GB, free: 5.684 MB / 442.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 10 (tank.level,tank.medium.T,heater.mediums[1].p,heater.mediums[1].T,radiator.mediums[1].p,radiator.mediums[1].T,pipe.mediums[1].p,pipe.mediums[1].T,pipe.mediums[2].p,pipe.mediums[2].T) * Number of discrete variables: 4 (tank.regularFlow[1],tank.regularFlow[2],tank.inFlow[1],tank.inFlow[2]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (181): * Single equations (assignments): 167 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 8 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 5 systems {(1,2,100.0%), (1,2,100.0%), (1,2,100.0%), (1,2,100.0%), (1,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(1,9), (2,8), (5,17)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002816/0.966, allocations: 1.078 MB / 0.5962 GB, free: 4.68 MB / 442.7 MB Notification: Performance of simCode: created initialization part: time 0.01177/0.9778, allocations: 4.072 MB / 0.6001 GB, free: 0.7031 MB / 442.7 MB Notification: Performance of simCode: created event and clocks part: time 7.895e-06/0.9778, allocations: 0 / 0.6001 GB, free: 0.7031 MB / 442.7 MB Notification: Performance of simCode: created simulation system equations: time 0.1132/1.091, allocations: 2.182 MB / 0.6023 GB, free: 201.1 MB / 442.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00466/1.096, allocations: 0.9798 MB / 0.6032 GB, free: 201 MB / 442.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0089/1.104, allocations: 5.009 MB / 0.6081 GB, free: 199.3 MB / 442.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00141/1.106, allocations: 1.255 MB / 0.6093 GB, free: 199.2 MB / 442.7 MB Notification: Performance of simCode: alias equations: time 0.002559/1.108, allocations: 0.7916 MB / 0.6101 GB, free: 199.1 MB / 442.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00055/1.109, allocations: 183 kB / 0.6103 GB, free: 199 MB / 442.7 MB Notification: Performance of SimCode: time 1.783e-06/1.109, allocations: 0 / 0.6103 GB, free: 199 MB / 442.7 MB Notification: Performance of Templates: time 0.07848/1.187, allocations: 66.68 MB / 0.6754 GB, free: 141.6 MB / 442.7 MB " [Timeout remaining time 659] make -j1 -f Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.makefile [Timeout 660] (rm -f Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.pipe ; mkfifo Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.pipe >> ../files/Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.sim & ./Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 8.243366066017188]