Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.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 0.001525/0.001525, allocations: 96.42 kB / 19.7 MB, free: 2.133 MB / 14.72 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 0.001871/0.001871, allocations: 213 kB / 22.99 MB, free: 4.957 MB / 14.72 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 1.527/1.527, allocations: 230.6 MB / 256.8 MB, free: 7.805 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.134/3.134, allocations: 0.49 GB / 0.7959 GB, free: 35.47 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|RL.i.1.|RL.i.2.|sen.V|sen.theta",fileNamePrefix="Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource") translateModel(Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|RL.i.1.|RL.i.2.|sen.V|sen.theta",fileNamePrefix="Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource") [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.00204/0.00204, allocations: 75.48 kB / 1.155 GB, free: 25.15 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2797/0.2817, allocations: 176.1 MB / 1.327 GB, free: 0.9688 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource): time 0.004108/0.2858, allocations: 2.436 MB / 1.329 GB, free: 14.52 MB / 1.029 GB Notification: Performance of NFInst.instExpressions: time 0.00281/0.2886, allocations: 1.554 MB / 1.331 GB, free: 12.96 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 8.508e-05/0.2887, allocations: 0 / 1.331 GB, free: 12.96 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.0006734/0.2894, allocations: 175.3 kB / 1.331 GB, free: 12.79 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.0003894/0.2898, allocations: 155.3 kB / 1.331 GB, free: 12.64 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004627/0.2902, allocations: 187.4 kB / 1.331 GB, free: 12.46 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.0003415/0.2906, allocations: 231.2 kB / 1.332 GB, free: 12.23 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002998/0.2909, allocations: 105.1 kB / 1.332 GB, free: 12.12 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002069/0.2911, allocations: 95.73 kB / 1.332 GB, free: 12.03 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000231/0.2913, allocations: 127.5 kB / 1.332 GB, free: 11.91 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 3.087e-05/0.2913, allocations: 16 kB / 1.332 GB, free: 11.89 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003406/0.2917, allocations: 199.6 kB / 1.332 GB, free: 11.7 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 8.316e-05/0.2918, allocations: 59.81 kB / 1.332 GB, free: 11.64 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 9.315e-05/0.2919, allocations: 71.66 kB / 1.332 GB, free: 11.57 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.0004269/0.2923, allocations: 307 kB / 1.333 GB, free: 11.27 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 3.486e-06/0.2923, allocations: 0 / 1.333 GB, free: 11.27 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.262e-06/0.2923, allocations: 3.938 kB / 1.333 GB, free: 11.26 MB / 1.029 GB Notification: Performance of Transformations before backend: time 5.44e-06/0.2923, allocations: 0 / 1.333 GB, free: 11.26 MB / 1.029 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 39 * Number of variables: 39 Notification: Performance of Generate backend data structure: time 0.0007715/0.2931, allocations: 417.5 kB / 1.333 GB, free: 10.82 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 3.42e-05/0.2931, allocations: 12.03 kB / 1.333 GB, free: 10.81 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007982/0.2939, allocations: 84.73 kB / 1.333 GB, free: 10.73 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003036/0.2942, allocations: 178.2 kB / 1.333 GB, free: 10.53 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.584e-05/0.2942, allocations: 8.656 kB / 1.333 GB, free: 10.52 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.909e-05/0.2943, allocations: 8.375 kB / 1.333 GB, free: 10.51 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006579/0.2949, allocations: 333.3 kB / 1.334 GB, free: 10.14 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.712e-05/0.2949, allocations: 8 kB / 1.334 GB, free: 10.14 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.408e-05/0.295, allocations: 3.938 kB / 1.334 GB, free: 10.13 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.948e-05/0.295, allocations: 20.22 kB / 1.334 GB, free: 10.11 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004542/0.2954, allocations: 225.1 kB / 1.334 GB, free: 9.891 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001986/0.2974, allocations: 1.295 MB / 1.335 GB, free: 8.535 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003496/0.2978, allocations: 157 kB / 1.335 GB, free: 8.363 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001087/0.2979, allocations: 61.67 kB / 1.335 GB, free: 8.297 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 1.314e-05/0.2979, allocations: 4 kB / 1.335 GB, free: 8.293 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.998e-05/0.2979, allocations: 34.55 kB / 1.335 GB, free: 8.25 MB / 1.029 GB Notification: Performance of pre-optimization done (n=9): time 1.262e-06/0.2979, allocations: 0 / 1.335 GB, free: 8.25 MB / 1.029 GB Notification: Performance of matching and sorting (n=10): time 0.0006216/0.2986, allocations: 249.1 kB / 1.336 GB, free: 8 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.474e-05/0.2986, allocations: 89.2 kB / 1.336 GB, free: 7.895 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002669/0.2989, allocations: 206.8 kB / 1.336 GB, free: 7.684 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 2.178e-05/0.2989, allocations: 25.7 kB / 1.336 GB, free: 7.652 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001079/0.299, allocations: 160 kB / 1.336 GB, free: 7.492 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 3.734e-05/0.299, allocations: 39.62 kB / 1.336 GB, free: 7.453 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001046/0.2992, allocations: 53.69 kB / 1.336 GB, free: 7.395 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001429/0.2993, allocations: 322.8 kB / 1.336 GB, free: 7.07 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001951/0.2995, allocations: 80.81 kB / 1.337 GB, free: 6.988 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003727/0.2999, allocations: 167.1 kB / 1.337 GB, free: 6.785 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000528/0.3004, allocations: 254.8 kB / 1.337 GB, free: 6.496 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.374e-06/0.3004, allocations: 0 / 1.337 GB, free: 6.496 MB / 1.029 GB Notification: Performance of matching and sorting (n=25) (initialization): time 0.0005794/0.301, allocations: 289.4 kB / 1.337 GB, free: 6.207 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.599e-05/0.301, allocations: 9.875 kB / 1.337 GB, free: 6.199 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.33e-06/0.301, allocations: 3.938 kB / 1.337 GB, free: 6.195 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.72e-05/0.301, allocations: 8 kB / 1.337 GB, free: 6.188 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003048/0.3013, allocations: 55.89 kB / 1.337 GB, free: 6.133 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.5e-05/0.3013, allocations: 11.92 kB / 1.337 GB, free: 6.121 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002855/0.3016, allocations: 23.97 kB / 1.337 GB, free: 6.098 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.12e-05/0.3016, allocations: 8 kB / 1.337 GB, free: 6.09 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002474/0.3019, allocations: 180.2 kB / 1.338 GB, free: 5.91 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002211/0.3021, allocations: 157 kB / 1.338 GB, free: 5.719 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003443/0.3025, allocations: 230.9 kB / 1.338 GB, free: 5.453 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.573e-06/0.3025, allocations: 0 / 1.338 GB, free: 5.453 MB / 1.029 GB Notification: Performance of matching and sorting (n=25) (initialization_lambda0): time 0.0004989/0.303, allocations: 265.3 kB / 1.338 GB, free: 5.188 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.016e-05/0.303, allocations: 4 kB / 1.338 GB, free: 5.184 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.568e-06/0.303, allocations: 4 kB / 1.338 GB, free: 5.18 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.29e-06/0.303, allocations: 4 kB / 1.338 GB, free: 5.176 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002859/0.3033, allocations: 55.89 kB / 1.338 GB, free: 5.121 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.286e-05/0.3033, allocations: 4 kB / 1.338 GB, free: 5.117 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002632/0.3035, allocations: 32.12 kB / 1.338 GB, free: 5.086 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.798e-05/0.3036, allocations: 8 kB / 1.338 GB, free: 5.078 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * 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 (25): * Single equations (assignments): 25 * 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 0.000136/0.3037, allocations: 196.1 kB / 1.338 GB, free: 4.879 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.233e-05/0.3038, allocations: 15.91 kB / 1.338 GB, free: 4.863 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002653/0.304, allocations: 154.9 kB / 1.339 GB, free: 4.699 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.364e-06/0.304, allocations: 0 / 1.339 GB, free: 4.699 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.442e-06/0.304, allocations: 3.938 kB / 1.339 GB, free: 4.695 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.819e-06/0.304, allocations: 4 kB / 1.339 GB, free: 4.691 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000964/0.305, allocations: 0.6413 MB / 1.339 GB, free: 3.984 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.439e-06/0.305, allocations: 4 kB / 1.339 GB, free: 3.98 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001162/0.3051, allocations: 20.11 kB / 1.339 GB, free: 3.961 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.355e-05/0.3051, allocations: 11.94 kB / 1.339 GB, free: 3.949 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.342e-05/0.3051, allocations: 4 kB / 1.339 GB, free: 3.945 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.779e-06/0.3051, allocations: 4 kB / 1.339 GB, free: 3.941 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.46e-06/0.3052, allocations: 7.984 kB / 1.339 GB, free: 3.934 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003746/0.3055, allocations: 378.6 kB / 1.34 GB, free: 3.52 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 7.381e-05/0.3056, allocations: 27.89 kB / 1.34 GB, free: 3.492 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.392e-05/0.3056, allocations: 4 kB / 1.34 GB, free: 3.488 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002271/0.3059, allocations: 15.98 kB / 1.34 GB, free: 3.473 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.303e-05/0.3059, allocations: 19.86 kB / 1.34 GB, free: 3.453 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.458e-06/0.3059, allocations: 4 kB / 1.34 GB, free: 3.449 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.000207/0.3061, allocations: 156.2 kB / 1.34 GB, free: 3.297 MB / 1.029 GB Notification: Performance of sort global known variables: time 1.01e-07/0.3061, allocations: 0 / 1.34 GB, free: 3.297 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.0005355/0.3066, allocations: 75.94 kB / 1.34 GB, free: 3.223 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * 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 (11): * Single equations (assignments): 11 * 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 0.0001449/0.3068, allocations: 107.2 kB / 1.34 GB, free: 3.109 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.0005579/0.3073, allocations: 280.8 kB / 1.34 GB, free: 2.836 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 2.464e-06/0.3074, allocations: 3.938 kB / 1.34 GB, free: 2.832 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 9.954e-05/0.3075, allocations: 63.83 kB / 1.34 GB, free: 2.77 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004613/0.3079, allocations: 29.3 kB / 1.34 GB, free: 2.742 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0007226/0.3086, allocations: 419.7 kB / 1.341 GB, free: 2.277 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001369/0.3088, allocations: 123.8 kB / 1.341 GB, free: 2.137 MB / 1.029 GB Notification: Performance of simCode: alias equations: time 0.0002309/0.309, allocations: 81.44 kB / 1.341 GB, free: 2.055 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 5.965e-05/0.3091, allocations: 19.42 kB / 1.341 GB, free: 2.039 MB / 1.029 GB Notification: Performance of SimCode: time 3.7e-07/0.3091, allocations: 0 / 1.341 GB, free: 2.039 MB / 1.029 GB Notification: Performance of Templates: time 0.005503/0.3146, allocations: 2.275 MB / 1.343 GB, free: 15.79 MB / 1.045 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.sim & ./Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource -abortSlowSimulation -alarm=400 -s gbode -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Electrical_AC_OnePhase_Sources_Examples_FixedVoltageSource.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Electrical.AC.OnePhase.Sources.Examples.FixedVoltageSource.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: 8.369608150998829]