Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.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 0.001955/0.001955, allocations: 80.3 kB / 19.18 MB, free: 2.516 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 0.002503/0.002503, allocations: 158.8 kB / 22.45 MB, free: 5.375 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 1.608/1.608, allocations: 177.2 MB / 202.8 MB, free: 9.164 MB / 190.1 MB " [Timeout remaining time 178] 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 3.099/3.099, allocations: 389 MB / 0.633 GB, free: 1.004 MB / 0.5919 GB " [Timeout remaining time 176] 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.Fluid.FixedResistances.Examples.PlugFlowPipe,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|senTemIn.T|senTemInNoMix.T|senTemOutNoMix.T|senTemOut.T",fileNamePrefix="Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe") translateModel(Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|senTemIn.T|senTemInNoMix.T|senTemOutNoMix.T|senTemOut.T",fileNamePrefix="Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.834e-06/1.834e-06, allocations: 0 / 1 GB, free: 6.238 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 3.232e-05/3.416e-05, allocations: 6.281 kB / 1 GB, free: 6.23 MB / 0.9044 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe): time 0.8781/0.8782, allocations: 105.4 MB / 1.103 GB, free: 23.16 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.04184/0.92, allocations: 24.68 MB / 1.127 GB, free: 22.83 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006565/0.9266, allocations: 154.6 kB / 1.127 GB, free: 22.83 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.004447/0.931, allocations: 1.16 MB / 1.128 GB, free: 22.81 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.01415/0.9452, allocations: 3.707 MB / 1.132 GB, free: 22.07 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.00878/0.9539, allocations: 2.561 MB / 1.135 GB, free: 21.88 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.01195/0.9659, allocations: 6.253 MB / 1.141 GB, free: 19.79 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00362/0.9695, allocations: 1.493 MB / 1.142 GB, free: 19.1 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01362/0.9831, allocations: 3.854 MB / 1.146 GB, free: 17.64 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005681/0.9888, allocations: 1.469 MB / 1.147 GB, free: 17.3 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0006877/0.9895, allocations: 207.2 kB / 1.147 GB, free: 17.3 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007185/0.9967, allocations: 1.774 MB / 1.149 GB, free: 16.85 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.0006587/0.9973, allocations: 0.5418 MB / 1.15 GB, free: 16.52 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.002413/0.9998, allocations: 0.8657 MB / 1.151 GB, free: 16.19 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.0106/1.01, allocations: 3.964 MB / 1.154 GB, free: 15 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 6.994e-06/1.01, allocations: 3.281 kB / 1.154 GB, free: 15 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.513e-06/1.01, allocations: 0 / 1.154 GB, free: 15 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 7.365e-05/1.01, allocations: 3.938 kB / 1.154 GB, free: 14.99 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 343 * Number of variables: 343 Notification: Performance of Generate backend data structure: time 0.006752/1.017, allocations: 2.744 MB / 1.157 GB, free: 13.34 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.904e-05/1.017, allocations: 11.14 kB / 1.157 GB, free: 13.34 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001228/1.018, allocations: 314.6 kB / 1.157 GB, free: 13.2 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004427/1.023, allocations: 1.897 MB / 1.159 GB, free: 12.23 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.653e-05/1.023, allocations: 102.3 kB / 1.159 GB, free: 12.18 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002302/1.023, allocations: 139 kB / 1.16 GB, free: 12.14 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002854/1.026, allocations: 1.613 MB / 1.161 GB, free: 11.27 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.307e-05/1.026, allocations: 8.781 kB / 1.161 GB, free: 11.26 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001269/1.026, allocations: 52.81 kB / 1.161 GB, free: 11.22 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.325e-05/1.026, allocations: 35.06 kB / 1.161 GB, free: 11.22 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002033/1.028, allocations: 1.026 MB / 1.162 GB, free: 10.86 MB / 0.9981 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 0.00808/1.036, allocations: 5.226 MB / 1.167 GB, free: 7.613 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001483/1.038, allocations: 0.7071 MB / 1.168 GB, free: 7.348 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006067/1.039, allocations: 342.8 kB / 1.168 GB, free: 7.223 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001085/1.04, allocations: 285.7 kB / 1.169 GB, free: 7.164 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.178e-05/1.04, allocations: 50.77 kB / 1.169 GB, free: 7.117 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=85): time 3.437e-06/1.04, allocations: 0 / 1.169 GB, free: 7.117 MB / 0.9981 GB Notification: Performance of matching and sorting (n=85): time 0.002584/1.042, allocations: 1.128 MB / 1.17 GB, free: 6.691 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.594e-05/1.042, allocations: 60.62 kB / 1.17 GB, free: 6.629 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002068/1.044, allocations: 1.448 MB / 1.171 GB, free: 6.078 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 8.863e-05/1.044, allocations: 47.08 kB / 1.171 GB, free: 6.031 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006049/1.045, allocations: 0.925 MB / 1.172 GB, free: 5.305 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002616/1.045, allocations: 314.9 kB / 1.172 GB, free: 5.059 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003056/1.046, allocations: 209.3 kB / 1.173 GB, free: 4.961 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 7.888e-05/1.046, allocations: 345.3 kB / 1.173 GB, free: 4.641 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005774/1.046, allocations: 312 kB / 1.173 GB, free: 4.535 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008251/1.047, allocations: 0.7992 MB / 1.174 GB, free: 3.836 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001437/1.049, allocations: 0.949 MB / 1.175 GB, free: 3.25 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.876e-06/1.049, allocations: 2.562 kB / 1.175 GB, free: 3.25 MB / 0.9981 GB Notification: Performance of matching and sorting (n=128) (initialization): time 0.002216/1.051, allocations: 1.131 MB / 1.176 GB, free: 2.844 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 2.318e-05/1.051, allocations: 8.344 kB / 1.176 GB, free: 2.844 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.148e-05/1.051, allocations: 14.88 kB / 1.176 GB, free: 2.844 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.467e-05/1.051, allocations: 14.31 kB / 1.176 GB, free: 2.844 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007633/1.052, allocations: 233.9 kB / 1.176 GB, free: 2.832 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.337e-05/1.052, allocations: 20.09 kB / 1.176 GB, free: 2.832 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001225/1.053, allocations: 105.6 kB / 1.177 GB, free: 2.766 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001145/1.053, allocations: 57.97 kB / 1.177 GB, free: 2.758 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001065/1.054, allocations: 0.6062 MB / 1.177 GB, free: 2.449 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008526/1.055, allocations: 0.7939 MB / 1.178 GB, free: 1.758 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001397/1.056, allocations: 0.9385 MB / 1.179 GB, free: 1.176 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.723e-06/1.056, allocations: 9.609 kB / 1.179 GB, free: 1.172 MB / 0.9981 GB Notification: Performance of matching and sorting (n=128) (initialization_lambda0): time 0.002153/1.058, allocations: 1.135 MB / 1.18 GB, free: 0.7578 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 1.656e-05/1.058, allocations: 10.19 kB / 1.18 GB, free: 0.7578 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.667e-05/1.058, allocations: 14.11 kB / 1.18 GB, free: 0.7578 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.529e-05/1.058, allocations: 15.03 kB / 1.18 GB, free: 0.7578 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007114/1.059, allocations: 230 kB / 1.18 GB, free: 0.7461 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.634e-05/1.059, allocations: 15.53 kB / 1.18 GB, free: 0.7461 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001219/1.06, allocations: 98.28 kB / 1.18 GB, free: 0.6875 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001097/1.061, allocations: 58.61 kB / 1.18 GB, free: 0.6797 MB / 0.9981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 36 * 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 (124): * Single equations (assignments): 120 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 0.0003365/1.061, allocations: 250.1 kB / 1.181 GB, free: 472 kB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003218/1.061, allocations: 182.2 kB / 1.181 GB, free: 372 kB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003409/1.065, allocations: 1.794 MB / 1.183 GB, free: 15.82 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.634e-05/1.065, allocations: 28.84 kB / 1.183 GB, free: 15.81 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.347e-06/1.065, allocations: 0 / 1.183 GB, free: 15.81 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001939/1.067, allocations: 1.18 MB / 1.184 GB, free: 15.31 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005717/1.072, allocations: 2.923 MB / 1.187 GB, free: 14.02 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.795e-05/1.072, allocations: 11.28 kB / 1.187 GB, free: 14.02 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006616/1.073, allocations: 177.4 kB / 1.187 GB, free: 14 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.126e-05/1.073, allocations: 10.81 kB / 1.187 GB, free: 14 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.08e-05/1.073, allocations: 43.19 kB / 1.187 GB, free: 13.98 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.046e-05/1.073, allocations: 9.781 kB / 1.187 GB, free: 13.98 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.488e-06/1.073, allocations: 8.062 kB / 1.187 GB, free: 13.98 MB / 1.014 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003429/1.077, allocations: 2.12 MB / 1.189 GB, free: 13 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008897/1.077, allocations: 344.2 kB / 1.189 GB, free: 12.75 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002469/1.078, allocations: 25.31 kB / 1.189 GB, free: 12.74 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008917/1.079, allocations: 52.73 kB / 1.189 GB, free: 12.71 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002218/1.079, allocations: 106.4 kB / 1.189 GB, free: 12.64 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001157/1.079, allocations: 58.45 kB / 1.189 GB, free: 12.62 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.001567/1.08, allocations: 0.9692 MB / 1.19 GB, free: 12.11 MB / 1.014 GB Notification: Performance of sort global known variables: time 1.1e-07/1.08, allocations: 0 / 1.19 GB, free: 12.11 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.00339/1.084, allocations: 1.147 MB / 1.192 GB, free: 11.79 MB / 1.014 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 6 (pip.del.x,pip.timDel.x,pip.vol_b.dynBal.U,pip.vol_a.dynBal.U,pipNoMix.del.x,pipNoMix.timDel.x) * 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 (117): * Single equations (assignments): 90 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 27 * 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 0.001676/1.086, allocations: 0.7545 MB / 1.192 GB, free: 11.46 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.003062/1.089, allocations: 1.635 MB / 1.194 GB, free: 10.64 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 5.901e-06/1.089, allocations: 2.75 kB / 1.194 GB, free: 10.64 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.0011/1.09, allocations: 0.7035 MB / 1.195 GB, free: 10.29 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003915/1.094, allocations: 0.7751 MB / 1.195 GB, free: 9.867 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005795/1.099, allocations: 3.412 MB / 1.199 GB, free: 7.824 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009711/1.1, allocations: 0.8555 MB / 1.199 GB, free: 7.371 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.001748/1.102, allocations: 491.7 kB / 1.2 GB, free: 7.133 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004041/1.103, allocations: 179.4 kB / 1.2 GB, free: 7.09 MB / 1.014 GB Notification: Performance of SimCode: time 8.11e-07/1.103, allocations: 0 / 1.2 GB, free: 7.09 MB / 1.014 GB Notification: Performance of Templates: time 0.07773/1.18, allocations: 39.33 MB / 1.239 GB, free: 3.926 MB / 1.045 GB " [Timeout remaining time 299] make -j1 -f Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe ; mkfifo Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe >> ../files/Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.sim & ./Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe -abortSlowSimulation -alarm=800 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe 2>&1) [Timeout 800] diffSimulationResults("Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_FixedResistances_Examples_PlugFlowPipe.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.FixedResistances.Examples.PlugFlowPipe.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: 11.449693702161312]