Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.002241/0.002241, allocations: 114.8 kB / 18.89 MB, free: 2.898 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002174/0.002174, allocations: 199.8 kB / 22.17 MB, free: 5.211 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.468/1.468, allocations: 225.6 MB / 250.9 MB, free: 13.24 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.733/2.733, allocations: 443.5 MB / 0.732 GB, free: 12.51 MB / 0.5919 GB " [Timeout remaining time 176] Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Fluid.Chillers.Examples.ElectricEIR,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|chi.TSet|chi.TEvaEnt|chi.TEvaLvg|chi.TConEnt|chi.TConLvg|chi.COP|chi.PLR1|chi.PLR2|chi.CR",fileNamePrefix="Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR") translateModel(Buildings.Fluid.Chillers.Examples.ElectricEIR,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|chi.TSet|chi.TEvaEnt|chi.TEvaLvg|chi.TConEnt|chi.TConLvg|chi.COP|chi.PLR1|chi.PLR2|chi.CR",fileNamePrefix="Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002037/0.002037, allocations: 67.89 kB / 1.061 GB, free: 3.129 MB / 0.8575 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.031/1.033, allocations: 160.7 MB / 1.218 GB, free: 4.027 MB / 0.92 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Examples.ElectricEIR): time 0.092/1.125, allocations: 61.62 MB / 1.278 GB, free: 9.695 MB / 0.9825 GB Notification: Performance of NFInst.instExpressions: time 0.02243/1.148, allocations: 13.27 MB / 1.291 GB, free: 12.39 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00277/1.15, allocations: 67.62 kB / 1.291 GB, free: 12.32 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.002996/1.153, allocations: 0.9976 MB / 1.292 GB, free: 11.32 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.007644/1.161, allocations: 2.436 MB / 1.295 GB, free: 8.875 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.004504/1.166, allocations: 1.6 MB / 1.296 GB, free: 7.285 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.006708/1.172, allocations: 4.343 MB / 1.301 GB, free: 2.926 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001992/1.174, allocations: 1.068 MB / 1.302 GB, free: 1.824 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003971/1.178, allocations: 1.627 MB / 1.303 GB, free: 204 kB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002474/1.181, allocations: 1.268 MB / 1.304 GB, free: 14.92 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 0.0003389/1.181, allocations: 140 kB / 1.305 GB, free: 14.79 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003766/1.185, allocations: 1.505 MB / 1.306 GB, free: 13.28 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.0005639/1.185, allocations: 434.2 kB / 1.306 GB, free: 12.86 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.001408/1.187, allocations: 0.9134 MB / 1.307 GB, free: 11.94 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.00575/1.193, allocations: 2.799 MB / 1.31 GB, free: 9.129 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 9.628e-06/1.193, allocations: 0 / 1.31 GB, free: 9.129 MB / 1.014 GB Notification: Performance of FrontEnd: time 1.823e-06/1.193, allocations: 4 kB / 1.31 GB, free: 9.125 MB / 1.014 GB Notification: Performance of Transformations before backend: time 6.977e-05/1.193, allocations: 0 / 1.31 GB, free: 9.125 MB / 1.014 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 233 * Number of variables: 233 Notification: Performance of Generate backend data structure: time 0.005877/1.199, allocations: 2.257 MB / 1.312 GB, free: 6.797 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 4.734e-05/1.199, allocations: 12.62 kB / 1.312 GB, free: 6.785 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004533/1.203, allocations: 0.6161 MB / 1.313 GB, free: 6.168 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003162/1.206, allocations: 1.466 MB / 1.314 GB, free: 4.652 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001927/1.206, allocations: 145.4 kB / 1.314 GB, free: 4.496 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002062/1.207, allocations: 100 kB / 1.315 GB, free: 4.398 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003449/1.21, allocations: 1.377 MB / 1.316 GB, free: 2.988 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.106e-05/1.21, allocations: 3.953 kB / 1.316 GB, free: 2.984 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001212/1.21, allocations: 44 kB / 1.316 GB, free: 2.941 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.829e-05/1.21, allocations: 27.94 kB / 1.316 GB, free: 2.914 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00421/1.215, allocations: 1.421 MB / 1.317 GB, free: 1.488 MB / 1.014 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 0.008807/1.223, allocations: 5.576 MB / 1.323 GB, free: 11.56 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005855/1.229, allocations: 1.346 MB / 1.324 GB, free: 10.19 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001904/1.231, allocations: 0.6036 MB / 1.325 GB, free: 9.586 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001118/1.232, allocations: 1.236 MB / 1.326 GB, free: 8.074 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002099/1.234, allocations: 0.6823 MB / 1.327 GB, free: 7.379 MB / 1.029 GB Notification: Performance of pre-optimization done (n=70): time 3.887e-06/1.234, allocations: 0 / 1.327 GB, free: 7.379 MB / 1.029 GB Notification: Performance of matching and sorting (n=70): time 0.005953/1.24, allocations: 1.77 MB / 1.328 GB, free: 5.602 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.729e-05/1.24, allocations: 59.97 kB / 1.328 GB, free: 5.531 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001879/1.242, allocations: 1.291 MB / 1.33 GB, free: 4.23 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 0.0001355/1.242, allocations: 45.7 kB / 1.33 GB, free: 4.18 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006996/1.243, allocations: 0.659 MB / 1.33 GB, free: 3.512 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002989/1.243, allocations: 253.8 kB / 1.331 GB, free: 3.262 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003251/1.244, allocations: 174.6 kB / 1.331 GB, free: 3.086 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001576/1.244, allocations: 341.9 kB / 1.331 GB, free: 2.746 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001762/1.246, allocations: 0.5512 MB / 1.332 GB, free: 2.191 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002057/1.248, allocations: 0.7828 MB / 1.332 GB, free: 1.328 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003487/1.251, allocations: 1.191 MB / 1.334 GB, free: 88 kB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.869e-06/1.251, allocations: 0 / 1.334 GB, free: 88 kB / 1.029 GB Notification: Performance of matching and sorting (n=98) (initialization): time 0.004419/1.256, allocations: 1.459 MB / 1.335 GB, free: 14.61 MB / 1.045 GB Notification: Performance of prepare postOptimizeDAE: time 4.719e-05/1.256, allocations: 33.7 kB / 1.335 GB, free: 14.57 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.108e-05/1.256, allocations: 4 kB / 1.335 GB, free: 14.57 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.396e-05/1.256, allocations: 7.938 kB / 1.335 GB, free: 14.56 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001381/1.257, allocations: 271.9 kB / 1.335 GB, free: 14.29 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.92e-05/1.257, allocations: 11.98 kB / 1.335 GB, free: 14.28 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001659/1.259, allocations: 187.3 kB / 1.335 GB, free: 14.1 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001066/1.259, allocations: 47.91 kB / 1.336 GB, free: 14.05 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002236/1.261, allocations: 0.8078 MB / 1.336 GB, free: 13.24 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001931/1.263, allocations: 0.7673 MB / 1.337 GB, free: 12.39 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003416/1.266, allocations: 1.175 MB / 1.338 GB, free: 11.17 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.837e-06/1.266, allocations: 3.938 kB / 1.338 GB, free: 11.16 MB / 1.045 GB Notification: Performance of matching and sorting (n=98) (initialization_lambda0): time 0.004275/1.271, allocations: 1.451 MB / 1.34 GB, free: 9.699 MB / 1.045 GB Notification: Performance of prepare postOptimizeDAE: time 4.324e-05/1.271, allocations: 37.7 kB / 1.34 GB, free: 9.656 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.827e-06/1.271, allocations: 4 kB / 1.34 GB, free: 9.652 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.24e-05/1.271, allocations: 8 kB / 1.34 GB, free: 9.645 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001364/1.272, allocations: 267.6 kB / 1.34 GB, free: 9.383 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.769e-05/1.272, allocations: 15.92 kB / 1.34 GB, free: 9.367 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001742/1.274, allocations: 187.4 kB / 1.34 GB, free: 9.184 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.274e-05/1.274, allocations: 35.98 kB / 1.34 GB, free: 9.148 MB / 1.045 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * Number of states: 0 () * Number of discrete variables: 7 (chi.tru.y,chi.on,pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (97): * Single equations (assignments): 96 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0003683/1.274, allocations: 236.8 kB / 1.34 GB, free: 8.91 MB / 1.045 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003345/1.275, allocations: 151.1 kB / 1.341 GB, free: 8.762 MB / 1.045 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004431/1.279, allocations: 1.512 MB / 1.342 GB, free: 7.227 MB / 1.045 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.126e-05/1.279, allocations: 19.92 kB / 1.342 GB, free: 7.207 MB / 1.045 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.284e-06/1.279, allocations: 0 / 1.342 GB, free: 7.207 MB / 1.045 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003617/1.283, allocations: 1.269 MB / 1.343 GB, free: 5.906 MB / 1.045 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007314/1.29, allocations: 3.261 MB / 1.346 GB, free: 2.488 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.496e-06/1.29, allocations: 4 kB / 1.346 GB, free: 2.484 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001275/1.291, allocations: 236.2 kB / 1.347 GB, free: 2.254 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.158e-05/1.291, allocations: 8 kB / 1.347 GB, free: 2.246 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.381e-05/1.291, allocations: 31.91 kB / 1.347 GB, free: 2.215 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.526e-05/1.291, allocations: 8 kB / 1.347 GB, free: 2.207 MB / 1.045 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.282e-06/1.291, allocations: 7.938 kB / 1.347 GB, free: 2.199 MB / 1.045 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006146/1.298, allocations: 2.295 MB / 1.349 GB, free: 15.83 MB / 1.061 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007846/1.298, allocations: 359.7 kB / 1.349 GB, free: 15.46 MB / 1.061 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002286/1.299, allocations: 23.94 kB / 1.349 GB, free: 15.43 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001413/1.3, allocations: 135.9 kB / 1.349 GB, free: 15.3 MB / 1.061 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001628/1.3, allocations: 68.36 kB / 1.35 GB, free: 15.23 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.088e-05/1.3, allocations: 43.97 kB / 1.35 GB, free: 15.19 MB / 1.061 GB Notification: Performance of sorting global known variables: time 0.001368/1.302, allocations: 0.9285 MB / 1.35 GB, free: 14.27 MB / 1.061 GB Notification: Performance of sort global known variables: time 1.1e-07/1.302, allocations: 0 / 1.35 GB, free: 14.27 MB / 1.061 GB Notification: Performance of remove unused functions: time 0.002163/1.304, allocations: 0.8148 MB / 1.351 GB, free: 13.45 MB / 1.061 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 19 * Number of states: 2 (chi.vol1.dynBal.U,chi.vol2.dynBal.U) * Number of discrete variables: 4 ($whenCondition1,pulse.T_start,pulse.count,chi.on) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (74): * Single equations (assignments): 66 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 2 * 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 0.001165/1.305, allocations: 0.5213 MB / 1.352 GB, free: 12.94 MB / 1.061 GB Notification: Performance of simCode: created initialization part: time 0.006033/1.311, allocations: 1.999 MB / 1.354 GB, free: 10.92 MB / 1.061 GB Notification: Performance of simCode: created event and clocks part: time 7.424e-06/1.311, allocations: 4.188 kB / 1.354 GB, free: 10.91 MB / 1.061 GB Notification: Performance of simCode: created simulation system equations: time 0.002091/1.313, allocations: 0.6755 MB / 1.354 GB, free: 10.24 MB / 1.061 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003653/1.317, allocations: 0.7618 MB / 1.355 GB, free: 9.488 MB / 1.061 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006562/1.323, allocations: 2.923 MB / 1.358 GB, free: 6.473 MB / 1.061 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009288/1.324, allocations: 1.234 MB / 1.359 GB, free: 5.211 MB / 1.061 GB Notification: Performance of simCode: alias equations: time 0.001602/1.326, allocations: 371.6 kB / 1.36 GB, free: 4.844 MB / 1.061 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004009/1.326, allocations: 127.4 kB / 1.36 GB, free: 4.719 MB / 1.061 GB Notification: Performance of SimCode: time 7.91e-07/1.326, allocations: 0 / 1.36 GB, free: 4.719 MB / 1.061 GB Notification: Performance of Templates: time 0.06689/1.393, allocations: 32.5 MB / 1.391 GB, free: 4.609 MB / 1.092 GB " [Timeout remaining time 299] make -j1 -f Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR.makefile [Timeout 300] (rm -f Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR.pipe ; mkfifo Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR.pipe >> ../files/Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR.sim & ./Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR -abortSlowSimulation -alarm=400 -s gbode -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Chillers_Examples_ElectricEIR.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Chillers.Examples.ElectricEIR.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: 10.496943049132824]