Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe.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 0.000843/0.000843, allocations: 72.5 kB / 19.93 MB, free: 4.633 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 0.0008354/0.0008354, allocations: 177.9 kB / 23.21 MB, free: 1.352 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 0.8792/0.8792, allocations: 177.1 MB / 203.5 MB, free: 5.727 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 1.776/1.776, allocations: 389 MB / 0.6338 GB, free: 12.71 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.DHC.Networks.Pipes.Validation.Pipe,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pipSta1.dh|pipAut1.dh|pipSta2.dh|pipAut2.dh|pipSta1.dp|pipAut1.dp|pipSta2.dp|pipAut2.dp",fileNamePrefix="Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe") translateModel(Buildings.DHC.Networks.Pipes.Validation.Pipe,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pipSta1.dh|pipAut1.dh|pipSta2.dh|pipAut2.dh|pipSta1.dp|pipAut1.dp|pipSta2.dp|pipAut2.dp",fileNamePrefix="Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.324e-06/2.324e-06, allocations: 0 / 1.001 GB, free: 13.03 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.674e-05/3.906e-05, allocations: 2.281 kB / 1.001 GB, free: 13.03 MB / 0.9636 GB Notification: Performance of NFInst.instantiate(Buildings.DHC.Networks.Pipes.Validation.Pipe): time 0.02152/0.02156, allocations: 26.59 MB / 1.027 GB, free: 2.332 MB / 0.9792 GB Notification: Performance of NFInst.instExpressions: time 0.008165/0.02972, allocations: 6.307 MB / 1.033 GB, free: 12.01 MB / 0.9948 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001375/0.0311, allocations: 55.56 kB / 1.033 GB, free: 11.96 MB / 0.9948 GB Notification: Performance of NFTyping.typeComponents: time 0.001169/0.03227, allocations: 416.9 kB / 1.033 GB, free: 11.55 MB / 0.9948 GB Notification: Performance of NFTyping.typeBindings: time 0.003461/0.03573, allocations: 1.398 MB / 1.035 GB, free: 10.14 MB / 0.9948 GB Notification: Performance of NFTyping.typeClassSections: time 0.001651/0.03738, allocations: 0.7029 MB / 1.036 GB, free: 9.441 MB / 0.9948 GB Notification: Performance of NFFlatten.flatten: time 0.002851/0.04023, allocations: 2.154 MB / 1.038 GB, free: 7.277 MB / 0.9948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007372/0.04097, allocations: 437.6 kB / 1.038 GB, free: 6.836 MB / 0.9948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002038/0.043, allocations: 1.363 MB / 1.039 GB, free: 5.469 MB / 0.9948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005775/0.04358, allocations: 426.6 kB / 1.04 GB, free: 5.051 MB / 0.9948 GB Notification: Performance of NFPackage.collectConstants: time 8.711e-05/0.04367, allocations: 36 kB / 1.04 GB, free: 5.016 MB / 0.9948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001371/0.04504, allocations: 0.7131 MB / 1.04 GB, free: 4.301 MB / 0.9948 GB Notification: Performance of NFScalarize.scalarize: time 0.0001321/0.04517, allocations: 155.2 kB / 1.041 GB, free: 4.148 MB / 0.9948 GB Notification: Performance of NFVerifyModel.verify: time 0.0002279/0.0454, allocations: 231.3 kB / 1.041 GB, free: 3.922 MB / 0.9948 GB Notification: Performance of NFConvertDAE.convert: time 0.001388/0.04679, allocations: 1.16 MB / 1.042 GB, free: 2.758 MB / 0.9948 GB Notification: Performance of FrontEnd - DAE generated: time 3.847e-06/0.04679, allocations: 0 / 1.042 GB, free: 2.758 MB / 0.9948 GB Notification: Performance of FrontEnd: time 1.924e-06/0.04679, allocations: 4 kB / 1.042 GB, free: 2.754 MB / 0.9948 GB Notification: Performance of Transformations before backend: time 1.188e-05/0.04681, allocations: 0 / 1.042 GB, free: 2.754 MB / 0.9948 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 84 * Number of variables: 84 Notification: Performance of Generate backend data structure: time 0.001185/0.04799, allocations: 1.064 MB / 1.043 GB, free: 1.656 MB / 0.9948 GB Notification: Performance of prepare preOptimizeDAE: time 4.967e-05/0.04804, allocations: 8.75 kB / 1.043 GB, free: 1.648 MB / 0.9948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001222/0.04816, allocations: 96.33 kB / 1.043 GB, free: 1.555 MB / 0.9948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001065/0.04923, allocations: 0.6859 MB / 1.044 GB, free: 0.832 MB / 0.9948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.668e-05/0.04925, allocations: 33 kB / 1.044 GB, free: 0.8008 MB / 0.9948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.792e-05/0.04929, allocations: 39.94 kB / 1.044 GB, free: 0.7617 MB / 0.9948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004731/0.04976, allocations: 318.4 kB / 1.044 GB, free: 456 kB / 0.9948 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.15e-05/0.04978, allocations: 0 / 1.044 GB, free: 456 kB / 0.9948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.438e-05/0.0498, allocations: 16 kB / 1.044 GB, free: 440 kB / 0.9948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.478e-06/0.04981, allocations: 11.94 kB / 1.044 GB, free: 428 kB / 0.9948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002599/0.05007, allocations: 231.9 kB / 1.044 GB, free: 196 kB / 0.9948 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.5344/0.5844, allocations: 0.9332 MB / 1.045 GB, free: 85.62 MB / 0.9948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001887/0.5846, allocations: 134.5 kB / 1.045 GB, free: 85.56 MB / 0.9948 GB Notification: Performance of preOpt resolveLoops (simulation): time 8.864e-05/0.5847, allocations: 95.62 kB / 1.046 GB, free: 85.53 MB / 0.9948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002132/0.5849, allocations: 73.89 kB / 1.046 GB, free: 85.51 MB / 0.9948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.016e-05/0.585, allocations: 35.97 kB / 1.046 GB, free: 85.47 MB / 0.9948 GB Notification: Performance of pre-optimization done (n=19): time 3.056e-06/0.585, allocations: 0 / 1.046 GB, free: 85.47 MB / 0.9948 GB Notification: Performance of matching and sorting (n=19): time 0.0004221/0.5854, allocations: 310.2 kB / 1.046 GB, free: 85.38 MB / 0.9948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.904e-05/0.5854, allocations: 56.19 kB / 1.046 GB, free: 85.32 MB / 0.9948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004386/0.5858, allocations: 0.6464 MB / 1.047 GB, free: 85.05 MB / 0.9948 GB Notification: Performance of collectPreVariables (initialization): time 1.891e-05/0.5859, allocations: 32.83 kB / 1.047 GB, free: 85.01 MB / 0.9948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001483/0.586, allocations: 376.2 kB / 1.047 GB, free: 84.75 MB / 0.9948 GB Notification: Performance of collectInitialBindings (initialization): time 2.667e-05/0.586, allocations: 74.75 kB / 1.047 GB, free: 84.7 MB / 0.9948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.806e-05/0.5861, allocations: 98.92 kB / 1.047 GB, free: 84.65 MB / 0.9948 GB Notification: Performance of setup shared object (initialization): time 6.952e-05/0.5862, allocations: 383.2 kB / 1.048 GB, free: 84.31 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001082/0.5863, allocations: 96.36 kB / 1.048 GB, free: 84.28 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002092/0.5865, allocations: 0.576 MB / 1.048 GB, free: 83.68 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000241/0.5868, allocations: 333.3 kB / 1.049 GB, free: 83.44 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.861e-06/0.5868, allocations: 0.875 kB / 1.049 GB, free: 83.44 MB / 0.9948 GB Notification: Performance of matching and sorting (n=47) (initialization): time 0.0003937/0.5872, allocations: 430.8 kB / 1.049 GB, free: 83.27 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 2.057e-05/0.5872, allocations: 6.625 kB / 1.049 GB, free: 83.27 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.018e-05/0.5872, allocations: 10 kB / 1.049 GB, free: 83.27 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.972e-05/0.5872, allocations: 9.5 kB / 1.049 GB, free: 83.27 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002702/0.5899, allocations: 0.9324 MB / 1.05 GB, free: 83.25 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004154/0.5903, allocations: 1.197 MB / 1.051 GB, free: 82.05 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002769/0.5906, allocations: 38.64 kB / 1.051 GB, free: 82.04 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.701e-05/0.5906, allocations: 29.55 kB / 1.051 GB, free: 82.04 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002604/0.5909, allocations: 239.8 kB / 1.051 GB, free: 81.9 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002226/0.5911, allocations: 0.5784 MB / 1.052 GB, free: 81.29 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000255/0.5914, allocations: 355.9 kB / 1.052 GB, free: 81.03 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.446e-06/0.5914, allocations: 6.203 kB / 1.052 GB, free: 81.03 MB / 0.9948 GB Notification: Performance of matching and sorting (n=47) (initialization_lambda0): time 0.0003901/0.5918, allocations: 431.6 kB / 1.053 GB, free: 80.85 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 1.648e-05/0.5918, allocations: 8.781 kB / 1.053 GB, free: 80.85 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.719e-06/0.5918, allocations: 2.688 kB / 1.053 GB, free: 80.85 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.038e-05/0.5918, allocations: 12.75 kB / 1.053 GB, free: 80.85 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002508/0.5943, allocations: 0.9232 MB / 1.054 GB, free: 80.84 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003059/0.5946, allocations: 1.206 MB / 1.055 GB, free: 79.64 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002417/0.5949, allocations: 31.86 kB / 1.055 GB, free: 79.63 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.732e-05/0.5949, allocations: 24.16 kB / 1.055 GB, free: 79.62 MB / 0.9948 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 19 * 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 (47): * Single equations (assignments): 45 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0001305/0.595, allocations: 213.5 kB / 1.055 GB, free: 79.43 MB / 0.9948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.253e-05/0.5951, allocations: 70.47 kB / 1.055 GB, free: 79.39 MB / 0.9948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004665/0.5955, allocations: 394 kB / 1.055 GB, free: 79.21 MB / 0.9948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.478e-05/0.5956, allocations: 3.156 kB / 1.055 GB, free: 79.21 MB / 0.9948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.502e-06/0.5956, allocations: 0 / 1.055 GB, free: 79.21 MB / 0.9948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.745e-06/0.5956, allocations: 8.109 kB / 1.055 GB, free: 79.2 MB / 0.9948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008131/0.5964, allocations: 0.8787 MB / 1.056 GB, free: 78.7 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.272e-06/0.5964, allocations: 2.875 kB / 1.056 GB, free: 78.7 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 5.491e-05/0.5965, allocations: 37.86 kB / 1.056 GB, free: 78.69 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.241e-06/0.5965, allocations: 2.812 kB / 1.056 GB, free: 78.69 MB / 0.9948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.15e-05/0.5965, allocations: 2.875 kB / 1.056 GB, free: 78.69 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.707e-06/0.5965, allocations: 9.109 kB / 1.056 GB, free: 78.69 MB / 0.9948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.298e-06/0.5965, allocations: 8.016 kB / 1.056 GB, free: 78.69 MB / 0.9948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002782/0.5968, allocations: 465.1 kB / 1.057 GB, free: 78.38 MB / 0.9948 GB Notification: Performance of postOpt removeConstants (simulation): time 9.224e-05/0.5968, allocations: 93.58 kB / 1.057 GB, free: 78.33 MB / 0.9948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.723e-05/0.5969, allocations: 6.719 kB / 1.057 GB, free: 78.32 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 9.622e-05/0.597, allocations: 6.812 kB / 1.057 GB, free: 78.32 MB / 0.9948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.016e-05/0.597, allocations: 29.48 kB / 1.057 GB, free: 78.31 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.496e-05/0.597, allocations: 11.62 kB / 1.057 GB, free: 78.31 MB / 0.9948 GB Notification: Performance of sorting global known variables: time 0.0003014/0.5973, allocations: 447.6 kB / 1.057 GB, free: 78.12 MB / 0.9948 GB Notification: Performance of sort global known variables: time 2e-07/0.5973, allocations: 0 / 1.057 GB, free: 78.12 MB / 0.9948 GB Notification: Performance of remove unused functions: time 0.0007978/0.5981, allocations: 376.2 kB / 1.058 GB, free: 78.06 MB / 0.9948 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * 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 (22): * Single equations (assignments): 17 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * 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 0.0005217/0.5986, allocations: 351.9 kB / 1.058 GB, free: 77.91 MB / 0.9948 GB Notification: Performance of simCode: created initialization part: time 0.01232/0.611, allocations: 4.44 MB / 1.062 GB, free: 77.59 MB / 0.9948 GB Notification: Performance of simCode: created event and clocks part: time 9.888e-06/0.611, allocations: 2.875 kB / 1.062 GB, free: 77.59 MB / 0.9948 GB Notification: Performance of simCode: created simulation system equations: time 0.0001958/0.6112, allocations: 116.6 kB / 1.063 GB, free: 77.56 MB / 0.9948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009734/0.6121, allocations: 234.2 kB / 1.063 GB, free: 77.5 MB / 0.9948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001809/0.614, allocations: 1.189 MB / 1.064 GB, free: 76.81 MB / 0.9948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002173/0.6142, allocations: 323.5 kB / 1.064 GB, free: 76.7 MB / 0.9948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 9.75e-05/0.6143, allocations: 58.86 kB / 1.064 GB, free: 76.69 MB / 0.9948 GB Notification: Performance of SimCode: time 2.625e-06/0.6143, allocations: 0 / 1.064 GB, free: 76.69 MB / 0.9948 GB Notification: Performance of Templates: time 0.02033/0.6346, allocations: 14.35 MB / 1.078 GB, free: 74.98 MB / 0.9948 GB " [Timeout remaining time 299] make -j1 -f Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe.pipe ; mkfifo Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe.pipe ; head -c 1048576 < Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe.pipe >> ../files/Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe.sim & ./Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe -abortSlowSimulation -alarm=800 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe.pipe 2>&1) [Timeout 800] diffSimulationResults("Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_DHC_Networks_Pipes_Validation_Pipe.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.DHC.Networks.Pipes.Validation.Pipe.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: 8.793256472796202]