Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff.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 0.001863/0.001863, allocations: 103.6 kB / 16.45 MB, free: 6.5 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 0.002328/0.002328, allocations: 210.4 kB / 19.43 MB, free: 3.656 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 1.472/1.472, allocations: 230.6 MB / 252.8 MB, free: 8.957 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 3.067/3.067, allocations: 0.49 GB / 0.7916 GB, free: 33.25 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: "" <> buildModelFMU(Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff,fileNamePrefix="Buildings_12_Buildings_Examples_Tutorial_CDL_Controls_Validation_SystemOnOff",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff,fileNamePrefix="Buildings_12_Buildings_Examples_Tutorial_CDL_Controls_Validation_SystemOnOff",fmuType="me",version="2.0",platforms={"static"}) [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 0.002041/0.002041, allocations: 69.09 kB / 1.149 GB, free: 26.36 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2938/0.2958, allocations: 176.1 MB / 1.321 GB, free: 3.367 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff): time 0.002466/0.2983, allocations: 0.9221 MB / 1.322 GB, free: 2.449 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.001325/0.2996, allocations: 0.925 MB / 1.323 GB, free: 1.512 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 9.828e-05/0.2997, allocations: 4 kB / 1.323 GB, free: 1.508 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 5.283e-05/0.2997, allocations: 11.81 kB / 1.323 GB, free: 1.496 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.0001237/0.2999, allocations: 15.8 kB / 1.323 GB, free: 1.48 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002494/0.3001, allocations: 47.94 kB / 1.323 GB, free: 1.434 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.0001879/0.3003, allocations: 139.6 kB / 1.323 GB, free: 1.297 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001624/0.3005, allocations: 37.52 kB / 1.323 GB, free: 1.25 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002161/0.3007, allocations: 47.86 kB / 1.323 GB, free: 1.203 MB / 1.014 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001322/0.3008, allocations: 59.73 kB / 1.323 GB, free: 1.145 MB / 1.014 GB Notification: Performance of NFPackage.collectConstants: time 3.216e-05/0.3008, allocations: 16 kB / 1.323 GB, free: 1.129 MB / 1.014 GB Notification: Performance of NFFlatten.collectFunctions: time 5.657e-05/0.3009, allocations: 19.88 kB / 1.323 GB, free: 1.109 MB / 1.014 GB Notification: Performance of NFScalarize.scalarize: time 2.902e-05/0.3009, allocations: 23.92 kB / 1.323 GB, free: 1.086 MB / 1.014 GB Notification: Performance of NFVerifyModel.verify: time 6.548e-05/0.301, allocations: 59.67 kB / 1.323 GB, free: 1.027 MB / 1.014 GB Notification: Performance of NFConvertDAE.convert: time 0.000283/0.3013, allocations: 159.6 kB / 1.323 GB, free: 0.8711 MB / 1.014 GB Notification: Performance of FrontEnd - DAE generated: time 4.669e-06/0.3013, allocations: 0 / 1.323 GB, free: 0.8711 MB / 1.014 GB Notification: Performance of FrontEnd: time 1.563e-06/0.3013, allocations: 4 kB / 1.323 GB, free: 0.8672 MB / 1.014 GB Notification: Performance of Transformations before backend: time 8.346e-06/0.3013, allocations: 0 / 1.323 GB, free: 0.8672 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: 20 * Number of variables: 20 Notification: Performance of Generate backend data structure: time 0.0007435/0.302, allocations: 444.7 kB / 1.324 GB, free: 396 kB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 4.992e-05/0.3021, allocations: 11.98 kB / 1.324 GB, free: 384 kB / 1.014 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.885e-05/0.3021, allocations: 42.73 kB / 1.324 GB, free: 332 kB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002575/0.3024, allocations: 28.81 kB / 1.324 GB, free: 304 kB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003439/0.3028, allocations: 220.9 kB / 1.324 GB, free: 44 kB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.322e-05/0.3028, allocations: 4.375 kB / 1.324 GB, free: 40 kB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 2.737e-05/0.3028, allocations: 15.94 kB / 1.324 GB, free: 24 kB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002728/0.3031, allocations: 105.7 kB / 1.324 GB, free: 15.91 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.957e-06/0.3031, allocations: 4 kB / 1.324 GB, free: 15.91 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.346e-05/0.3031, allocations: 0 / 1.324 GB, free: 15.91 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.859e-06/0.3031, allocations: 0 / 1.324 GB, free: 15.91 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000212/0.3033, allocations: 79.89 kB / 1.324 GB, free: 15.83 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006703/0.304, allocations: 396.4 kB / 1.325 GB, free: 15.39 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0002895/0.3043, allocations: 78.66 kB / 1.325 GB, free: 15.31 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001057/0.3044, allocations: 36.84 kB / 1.325 GB, free: 15.27 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 2.205e-05/0.3044, allocations: 8 kB / 1.325 GB, free: 15.26 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.915e-05/0.3044, allocations: 38.5 kB / 1.325 GB, free: 15.21 MB / 1.029 GB Notification: Performance of pre-optimization done (n=7): time 1.232e-06/0.3044, allocations: 0 / 1.325 GB, free: 15.21 MB / 1.029 GB Notification: Performance of matching and sorting (n=7): time 0.0004107/0.3048, allocations: 125.9 kB / 1.325 GB, free: 15.09 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.12e-05/0.3049, allocations: 55.41 kB / 1.325 GB, free: 15.02 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001624/0.305, allocations: 157.8 kB / 1.325 GB, free: 14.86 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 2.685e-05/0.3051, allocations: 29.7 kB / 1.325 GB, free: 14.82 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 8.3e-05/0.3051, allocations: 116.4 kB / 1.325 GB, free: 14.71 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 2.78e-05/0.3052, allocations: 19.84 kB / 1.325 GB, free: 14.69 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.099e-05/0.3052, allocations: 25.72 kB / 1.325 GB, free: 14.66 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001346/0.3054, allocations: 322.8 kB / 1.325 GB, free: 14.33 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 9.643e-05/0.3055, allocations: 27.98 kB / 1.326 GB, free: 14.3 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001161/0.3056, allocations: 62.48 kB / 1.326 GB, free: 14.23 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001619/0.3057, allocations: 60.95 kB / 1.326 GB, free: 14.17 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.693e-06/0.3057, allocations: 0 / 1.326 GB, free: 14.17 MB / 1.029 GB Notification: Performance of matching and sorting (n=9) (initialization): time 0.0002488/0.306, allocations: 113.5 kB / 1.326 GB, free: 14.05 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 1.459e-05/0.306, allocations: 4 kB / 1.326 GB, free: 14.05 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.248e-06/0.306, allocations: 4.031 kB / 1.326 GB, free: 14.05 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.426e-05/0.306, allocations: 4 kB / 1.326 GB, free: 14.04 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 8.627e-05/0.3061, allocations: 11.98 kB / 1.326 GB, free: 14.03 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.865e-06/0.3061, allocations: 4.062 kB / 1.326 GB, free: 14.03 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 9.251e-05/0.3062, allocations: 11.89 kB / 1.326 GB, free: 14.02 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.054e-05/0.3062, allocations: 7.984 kB / 1.326 GB, free: 14.01 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 5 (conSysSta.onTRoo.y,$PRE.conSysSta.onTRoo.y,conSysSta.onTOut.y,$PRE.conSysSta.onTOut.y,conSysSta.onSys) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (9): * Single equations (assignments): 9 * 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 0.0001067/0.3063, allocations: 121.8 kB / 1.326 GB, free: 13.88 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.575e-05/0.3064, allocations: 15.83 kB / 1.326 GB, free: 13.86 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.229e-05/0.3064, allocations: 24.66 kB / 1.326 GB, free: 13.84 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.764e-06/0.3064, allocations: 0 / 1.326 GB, free: 13.84 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.358e-06/0.3064, allocations: 0 / 1.326 GB, free: 13.84 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.251e-06/0.3064, allocations: 7.969 kB / 1.326 GB, free: 13.83 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002323/0.3066, allocations: 209.6 kB / 1.326 GB, free: 13.57 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.126e-06/0.3066, allocations: 4 kB / 1.326 GB, free: 13.57 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 8.12e-05/0.3067, allocations: 15.92 kB / 1.326 GB, free: 13.55 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.134e-06/0.3067, allocations: 0 / 1.326 GB, free: 13.55 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.165e-05/0.3067, allocations: 4 kB / 1.326 GB, free: 13.55 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.803e-06/0.3067, allocations: 0 / 1.326 GB, free: 13.55 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.453e-06/0.3067, allocations: 4 kB / 1.326 GB, free: 13.55 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002702/0.307, allocations: 191.5 kB / 1.326 GB, free: 13.34 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 5.392e-05/0.3071, allocations: 89 kB / 1.326 GB, free: 13.24 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.688e-05/0.3071, allocations: 7.984 kB / 1.326 GB, free: 13.23 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001129/0.3072, allocations: 8 kB / 1.326 GB, free: 13.22 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.503e-05/0.3073, allocations: 15.91 kB / 1.326 GB, free: 13.21 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.697e-06/0.3073, allocations: 8 kB / 1.326 GB, free: 13.2 MB / 1.029 GB Notification: Performance of sorting global known variables: time 9.149e-05/0.3074, allocations: 121 kB / 1.327 GB, free: 13.08 MB / 1.029 GB Notification: Performance of sort global known variables: time 9e-08/0.3074, allocations: 3.938 kB / 1.327 GB, free: 13.08 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.0002446/0.3076, allocations: 27.89 kB / 1.327 GB, free: 13.05 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 3 (conSysSta.onSys,conSysSta.onTOut.y,conSysSta.onTRoo.y) * Number of discrete states: 2 (conSysSta.onTRoo.y,conSysSta.onTOut.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (7): * Single equations (assignments): 7 * 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 0.0006155/0.3082, allocations: 0.7319 MB / 1.327 GB, free: 12.29 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.0002513/0.3085, allocations: 67.91 kB / 1.327 GB, free: 12.23 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 2.244e-06/0.3085, allocations: 0 / 1.327 GB, free: 12.23 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 9.588e-05/0.3086, allocations: 31.97 kB / 1.327 GB, free: 12.2 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003089/0.3089, allocations: 15.94 kB / 1.327 GB, free: 12.18 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001914/0.3108, allocations: 1.654 MB / 1.329 GB, free: 10.44 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003131/0.3111, allocations: 0.7117 MB / 1.33 GB, free: 9.703 MB / 1.029 GB Notification: Performance of simCode: alias equations: time 5.518e-05/0.3112, allocations: 12.66 kB / 1.33 GB, free: 9.691 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.817e-05/0.3113, allocations: 35.42 kB / 1.33 GB, free: 9.656 MB / 1.029 GB Notification: Performance of SimCode: time 5.01e-07/0.3113, allocations: 0 / 1.33 GB, free: 9.656 MB / 1.029 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02591/0.3372, allocations: 2.666 MB / 1.332 GB, free: 7.105 MB / 1.029 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.775/8.112, allocations: 21.81 kB / 1.332 GB, free: 7.09 MB / 1.029 GB " [Timeout remaining time 292] (rm -f Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff.pipe ; mkfifo Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff.pipe ; head -c 1048576 < Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff.pipe >> ../files/Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff.sim & python3 -m fmpy simulate --output-file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv --start-time 0 --stop-time 3600 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.44 Buildings_12_Buildings_Examples_Tutorial_CDL_Controls_Validation_SystemOnOff.fmu > Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Examples_Tutorial_CDL_Controls_Validation_SystemOnOff.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "Error: Could not read variable conSysSta.TRoo in file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv. Warning: Get data of variable conSysSta.TRoo from file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv failed! Error: Could not read variable conSysSta.TRooSet in file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv. Warning: Get data of variable conSysSta.TRooSet from file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv failed! Error: Could not read variable conSysSta.TOut in file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv. Warning: Get data of variable conSysSta.TOut from file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv failed! Error: Could not read variable conSysSta.TOutLow in file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv. Warning: Get data of variable conSysSta.TOutLow from file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv failed! Error: Could not read variable conSysSta.onSys in file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv. Warning: Get data of variable conSysSta.onSys from file Buildings_12_Buildings.Examples.Tutorial.CDL.Controls.Validation.SystemOnOff_res.csv failed! " [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 14.629185154801235]