Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent.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 0.001724/0.001724, allocations: 113.4 kB / 17.08 MB, free: 5.988 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 0.002042/0.002042, allocations: 193.2 kB / 20.03 MB, free: 3.059 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 1.494/1.494, allocations: 222.9 MB / 245.7 MB, free: 4.215 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 3.162/3.162, allocations: 489.3 MB / 0.7687 GB, free: 3.77 MB / 0.6075 GB " [Timeout remaining time 176] Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/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.Actuators.Valves.Examples.TwoWayValvePressureIndependent,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|valInd.m_flow|valIndDpFix.m_flow|valIndFromMflow.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent") translateModel(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|valInd.m_flow|valIndDpFix.m_flow|valIndFromMflow.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.001962/0.001962, allocations: 64.08 kB / 1.103 GB, free: 0.8125 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.011/1.013, allocations: 163.8 MB / 1.263 GB, free: 7.996 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent): time 0.02114/1.034, allocations: 19.37 MB / 1.281 GB, free: 10.13 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.009051/1.043, allocations: 5.09 MB / 1.286 GB, free: 6.52 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00115/1.044, allocations: 22.81 kB / 1.286 GB, free: 6.508 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.0009583/1.045, allocations: 265.2 kB / 1.287 GB, free: 6.34 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.002485/1.048, allocations: 0.7579 MB / 1.287 GB, free: 5.887 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.002657/1.05, allocations: 0.8788 MB / 1.288 GB, free: 5.453 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.002478/1.053, allocations: 1.525 MB / 1.29 GB, free: 4.746 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000866/1.054, allocations: 0.5174 MB / 1.29 GB, free: 4.504 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00137/1.055, allocations: 0.6634 MB / 1.291 GB, free: 4.203 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007837/1.056, allocations: 0.5056 MB / 1.291 GB, free: 3.98 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 0.0001102/1.056, allocations: 55.44 kB / 1.292 GB, free: 3.98 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001718/1.058, allocations: 0.7018 MB / 1.292 GB, free: 3.758 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 0.0002406/1.058, allocations: 171.8 kB / 1.292 GB, free: 3.648 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 0.0004799/1.058, allocations: 371.8 kB / 1.293 GB, free: 3.434 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.001934/1.06, allocations: 1.081 MB / 1.294 GB, free: 3.027 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 4.268e-06/1.06, allocations: 0 / 1.294 GB, free: 3.027 MB / 1.014 GB Notification: Performance of FrontEnd: time 1.954e-06/1.06, allocations: 1.125 kB / 1.294 GB, free: 3.027 MB / 1.014 GB Notification: Performance of Transformations before backend: time 1.396e-05/1.06, allocations: 0 / 1.294 GB, free: 3.027 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: 113 * Number of variables: 113 Notification: Performance of Generate backend data structure: time 0.002326/1.063, allocations: 1.114 MB / 1.295 GB, free: 2.23 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 4.501e-05/1.063, allocations: 9.375 kB / 1.295 GB, free: 2.23 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002181/1.063, allocations: 84.38 kB / 1.295 GB, free: 2.188 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009515/1.064, allocations: 0.5267 MB / 1.295 GB, free: 1.809 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.957e-05/1.064, allocations: 36.81 kB / 1.296 GB, free: 1.793 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.531e-05/1.064, allocations: 52.62 kB / 1.296 GB, free: 1.773 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001238/1.065, allocations: 0.6162 MB / 1.296 GB, free: 1.422 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.66e-05/1.065, allocations: 2.531 kB / 1.296 GB, free: 1.422 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.155e-05/1.065, allocations: 21.09 kB / 1.296 GB, free: 1.406 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.66e-05/1.065, allocations: 16.09 kB / 1.296 GB, free: 1.402 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001238/1.067, allocations: 490 kB / 1.297 GB, free: 1.254 MB / 1.014 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004274/1.071, allocations: 3.197 MB / 1.3 GB, free: 14.62 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007895/1.072, allocations: 349.8 kB / 1.3 GB, free: 14.48 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005415/1.072, allocations: 229.6 kB / 1.3 GB, free: 14.41 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004035/1.073, allocations: 349.2 kB / 1.301 GB, free: 14.02 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.182e-05/1.073, allocations: 45.2 kB / 1.301 GB, free: 13.97 MB / 1.029 GB Notification: Performance of pre-optimization done (n=38): time 2.234e-06/1.073, allocations: 0 / 1.301 GB, free: 13.97 MB / 1.029 GB Notification: Performance of matching and sorting (n=38): time 0.002419/1.075, allocations: 0.8071 MB / 1.302 GB, free: 13.62 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.727e-05/1.075, allocations: 55.5 kB / 1.302 GB, free: 13.55 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008128/1.076, allocations: 0.569 MB / 1.302 GB, free: 13.3 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 7.124e-05/1.076, allocations: 43.3 kB / 1.302 GB, free: 13.25 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.000312/1.077, allocations: 332.3 kB / 1.302 GB, free: 12.98 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001321/1.077, allocations: 138.5 kB / 1.303 GB, free: 12.87 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002318/1.077, allocations: 128.2 kB / 1.303 GB, free: 12.81 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0002174/1.077, allocations: 374.3 kB / 1.303 GB, free: 12.47 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005506/1.078, allocations: 216.6 kB / 1.303 GB, free: 12.4 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007054/1.078, allocations: 371.5 kB / 1.304 GB, free: 12.14 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00121/1.08, allocations: 0.5726 MB / 1.304 GB, free: 11.79 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.34e-06/1.08, allocations: 1.438 kB / 1.304 GB, free: 11.79 MB / 1.029 GB Notification: Performance of matching and sorting (n=73) (initialization): time 0.001733/1.081, allocations: 0.7204 MB / 1.305 GB, free: 11.5 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 2.177e-05/1.081, allocations: 6.938 kB / 1.305 GB, free: 11.5 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.104e-05/1.081, allocations: 3.969 kB / 1.305 GB, free: 11.5 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006678/1.082, allocations: 137.4 kB / 1.305 GB, free: 11.46 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005704/1.083, allocations: 137 kB / 1.305 GB, free: 11.45 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007001/1.083, allocations: 0.6198 MB / 1.306 GB, free: 10.89 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006781/1.084, allocations: 82.77 kB / 1.306 GB, free: 10.84 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.25e-05/1.084, allocations: 30.14 kB / 1.306 GB, free: 10.84 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007746/1.085, allocations: 350.2 kB / 1.306 GB, free: 10.67 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007036/1.086, allocations: 365.6 kB / 1.307 GB, free: 10.42 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001153/1.087, allocations: 0.567 MB / 1.307 GB, free: 10.07 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.926e-06/1.087, allocations: 0 / 1.307 GB, free: 10.07 MB / 1.029 GB Notification: Performance of matching and sorting (n=73) (initialization_lambda0): time 0.001537/1.088, allocations: 0.673 MB / 1.308 GB, free: 9.801 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.613e-05/1.088, allocations: 7.016 kB / 1.308 GB, free: 9.801 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.368e-06/1.088, allocations: 8.344 kB / 1.308 GB, free: 9.797 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.018e-05/1.088, allocations: 12 kB / 1.308 GB, free: 9.793 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000619/1.089, allocations: 156.6 kB / 1.308 GB, free: 9.777 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.719e-05/1.089, allocations: 9.656 kB / 1.308 GB, free: 9.777 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005976/1.09, allocations: 69.92 kB / 1.308 GB, free: 9.742 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.103e-05/1.09, allocations: 30.88 kB / 1.308 GB, free: 9.738 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 20 * 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 (69): * Single equations (assignments): 68 * 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 {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0002631/1.09, allocations: 218.2 kB / 1.308 GB, free: 9.527 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001224/1.09, allocations: 67.94 kB / 1.308 GB, free: 9.488 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001628/1.092, allocations: 0.6379 MB / 1.309 GB, free: 9.234 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.175e-05/1.092, allocations: 5.25 kB / 1.309 GB, free: 9.234 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.337e-06/1.092, allocations: 4.969 kB / 1.309 GB, free: 9.23 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.558e-06/1.092, allocations: 2.125 kB / 1.309 GB, free: 9.23 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002793/1.095, allocations: 1.382 MB / 1.31 GB, free: 8.492 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.412e-06/1.095, allocations: 0 / 1.31 GB, free: 8.492 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003556/1.095, allocations: 84.14 kB / 1.31 GB, free: 8.484 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003651/1.095, allocations: 101.2 kB / 1.311 GB, free: 8.461 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.488e-05/1.095, allocations: 16.28 kB / 1.311 GB, free: 8.453 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007126/1.096, allocations: 0.624 MB / 1.311 GB, free: 7.895 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.578e-06/1.096, allocations: 1.422 kB / 1.311 GB, free: 7.895 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001453/1.098, allocations: 0.7065 MB / 1.312 GB, free: 7.516 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003169/1.098, allocations: 192.8 kB / 1.312 GB, free: 7.359 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.994e-05/1.098, allocations: 11.56 kB / 1.312 GB, free: 7.352 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003941/1.098, allocations: 34.22 kB / 1.312 GB, free: 7.344 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.625e-05/1.099, allocations: 32.84 kB / 1.312 GB, free: 7.336 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.437e-05/1.099, allocations: 19.19 kB / 1.312 GB, free: 7.332 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.000543/1.099, allocations: 393.9 kB / 1.312 GB, free: 7.156 MB / 1.029 GB Notification: Performance of sort global known variables: time 2.41e-07/1.099, allocations: 0 / 1.312 GB, free: 7.156 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.001369/1.101, allocations: 389.4 kB / 1.313 GB, free: 7.066 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * 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 (41): * Single equations (assignments): 38 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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 {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0007839/1.101, allocations: 312.5 kB / 1.313 GB, free: 6.895 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.002194/1.104, allocations: 0.8689 MB / 1.314 GB, free: 6.629 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 3.246e-06/1.104, allocations: 0 / 1.314 GB, free: 6.629 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0007357/1.104, allocations: 283.8 kB / 1.314 GB, free: 6.547 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001279/1.106, allocations: 230.5 kB / 1.314 GB, free: 6.465 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002069/1.108, allocations: 1.097 MB / 1.316 GB, free: 5.828 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006027/1.108, allocations: 0.9018 MB / 1.316 GB, free: 5.117 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002463/1.109, allocations: 69.3 kB / 1.316 GB, free: 5.102 MB / 1.029 GB Notification: Performance of SimCode: time 6.41e-07/1.109, allocations: 0 / 1.316 GB, free: 5.102 MB / 1.029 GB Notification: Performance of Templates: time 0.0247/1.133, allocations: 12.82 MB / 1.329 GB, free: 2.883 MB / 1.029 GB " [Timeout remaining time 299] make -j1 -f Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent.pipe >> ../files/Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent.sim & ./Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent -abortSlowSimulation -alarm=800 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent.pipe 2>&1) [Timeout 800] diffSimulationResults("Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Actuators_Valves_Examples_TwoWayValvePressureIndependent.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Actuators.Valves.Examples.TwoWayValvePressureIndependent.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: 13.451710898894817]