Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides.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 0.001823/0.001823, allocations: 99.64 kB / 18.95 MB, free: 2.668 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 0.002311/0.002311, allocations: 213.3 kB / 22.25 MB, free: 5.258 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 1.444/1.444, allocations: 230.6 MB / 256 MB, free: 7.785 MB / 206.1 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 3.38/3.38, allocations: 0.5107 GB / 0.8158 GB, free: 17.8 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 13.0.0 (/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: "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides,fileNamePrefix="Buildings_latest_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctMixConInletSensor_Subsequences_Validation_Overrides",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides,fileNamePrefix="Buildings_latest_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctMixConInletSensor_Subsequences_Validation_Overrides",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 0.002117/0.002117, allocations: 63.08 kB / 1.186 GB, free: 13.72 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3556/0.3577, allocations: 181.9 MB / 1.363 GB, free: 14.11 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides): time 0.003305/0.361, allocations: 1.597 MB / 1.365 GB, free: 12.5 MB / 1.061 GB Notification: Performance of NFInst.instExpressions: time 0.001741/0.3627, allocations: 1.182 MB / 1.366 GB, free: 11.31 MB / 1.061 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001731/0.3629, allocations: 8 kB / 1.366 GB, free: 11.3 MB / 1.061 GB Notification: Performance of NFTyping.typeComponents: time 0.0001326/0.363, allocations: 55.27 kB / 1.366 GB, free: 11.25 MB / 1.061 GB Notification: Performance of NFTyping.typeBindings: time 0.0001873/0.3632, allocations: 55.34 kB / 1.366 GB, free: 11.19 MB / 1.061 GB Notification: Performance of NFTyping.typeClassSections: time 0.0004195/0.3636, allocations: 191.8 kB / 1.366 GB, free: 11 MB / 1.061 GB Notification: Performance of NFFlatten.flatten: time 0.0005343/0.3642, allocations: 0.5009 MB / 1.367 GB, free: 10.5 MB / 1.061 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004046/0.3646, allocations: 201.2 kB / 1.367 GB, free: 10.3 MB / 1.061 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002432/0.3648, allocations: 203.3 kB / 1.367 GB, free: 10.1 MB / 1.061 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002693/0.3651, allocations: 218.8 kB / 1.368 GB, free: 9.883 MB / 1.061 GB Notification: Performance of NFPackage.collectConstants: time 9.249e-05/0.3652, allocations: 56 kB / 1.368 GB, free: 9.828 MB / 1.061 GB Notification: Performance of NFFlatten.collectFunctions: time 7.877e-05/0.3652, allocations: 60 kB / 1.368 GB, free: 9.77 MB / 1.061 GB Notification: Performance of NFScalarize.scalarize: time 0.0001219/0.3654, allocations: 115.7 kB / 1.368 GB, free: 9.656 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.0001906/0.3656, allocations: 195 kB / 1.368 GB, free: 9.465 MB / 1.061 GB Notification: Performance of NFConvertDAE.convert: time 0.0007437/0.3663, allocations: 0.7043 MB / 1.369 GB, free: 8.758 MB / 1.061 GB Notification: Performance of FrontEnd - DAE generated: time 5.64e-06/0.3663, allocations: 0 / 1.369 GB, free: 8.758 MB / 1.061 GB Notification: Performance of FrontEnd: time 2.164e-06/0.3663, allocations: 4 kB / 1.369 GB, free: 8.754 MB / 1.061 GB Notification: Performance of Transformations before backend: time 1.251e-05/0.3663, allocations: 0 / 1.369 GB, free: 8.754 MB / 1.061 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 117 * Number of variables: 117 Notification: Performance of Generate backend data structure: time 0.001368/0.3677, allocations: 0.696 MB / 1.369 GB, free: 8.023 MB / 1.061 GB Notification: Performance of prepare preOptimizeDAE: time 4.246e-05/0.3677, allocations: 8.031 kB / 1.369 GB, free: 8.016 MB / 1.061 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001043/0.3678, allocations: 86.7 kB / 1.369 GB, free: 7.922 MB / 1.061 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 9.221e-05/0.3679, allocations: 56.61 kB / 1.369 GB, free: 7.867 MB / 1.061 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001174/0.3691, allocations: 432.4 kB / 1.37 GB, free: 7.422 MB / 1.061 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.155e-05/0.3692, allocations: 37.38 kB / 1.37 GB, free: 7.387 MB / 1.061 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.843e-05/0.3692, allocations: 44.38 kB / 1.37 GB, free: 7.344 MB / 1.061 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001108/0.3703, allocations: 0.4946 MB / 1.37 GB, free: 6.836 MB / 1.061 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.953e-05/0.3704, allocations: 7.875 kB / 1.37 GB, free: 6.828 MB / 1.061 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.261e-05/0.3704, allocations: 20 kB / 1.37 GB, free: 6.809 MB / 1.061 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.388e-05/0.3704, allocations: 16 kB / 1.37 GB, free: 6.793 MB / 1.061 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00121/0.3716, allocations: 429.6 kB / 1.371 GB, free: 6.375 MB / 1.061 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001693/0.3733, allocations: 1.084 MB / 1.372 GB, free: 5.234 MB / 1.061 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0009996/0.3743, allocations: 395.7 kB / 1.372 GB, free: 4.82 MB / 1.061 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005895/0.3749, allocations: 202.5 kB / 1.372 GB, free: 4.613 MB / 1.061 GB Notification: Performance of preOpt evalFunc (simulation): time 4.337e-05/0.3749, allocations: 8 kB / 1.373 GB, free: 4.605 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.452e-05/0.375, allocations: 38.56 kB / 1.373 GB, free: 4.559 MB / 1.061 GB Notification: Performance of pre-optimization done (n=41): time 2.034e-06/0.375, allocations: 0 / 1.373 GB, free: 4.559 MB / 1.061 GB Notification: Performance of matching and sorting (n=41): time 0.001832/0.3768, allocations: 0.5771 MB / 1.373 GB, free: 3.977 MB / 1.061 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.466e-05/0.3769, allocations: 118.8 kB / 1.373 GB, free: 3.836 MB / 1.061 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002951/0.3772, allocations: 292 kB / 1.373 GB, free: 3.547 MB / 1.061 GB Notification: Performance of collectPreVariables (initialization): time 3.63e-05/0.3772, allocations: 29.7 kB / 1.374 GB, free: 3.512 MB / 1.061 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001861/0.3774, allocations: 224.7 kB / 1.374 GB, free: 3.285 MB / 1.061 GB Notification: Performance of collectInitialBindings (initialization): time 0.000104/0.3775, allocations: 123 kB / 1.374 GB, free: 3.164 MB / 1.061 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001418/0.3777, allocations: 98.05 kB / 1.374 GB, free: 3.062 MB / 1.061 GB Notification: Performance of setup shared object (initialization): time 0.0001764/0.3778, allocations: 342.8 kB / 1.374 GB, free: 2.719 MB / 1.061 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000532/0.3784, allocations: 164.7 kB / 1.374 GB, free: 2.559 MB / 1.061 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005941/0.379, allocations: 249.7 kB / 1.375 GB, free: 2.281 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001067/0.38, allocations: 396.3 kB / 1.375 GB, free: 1.863 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.706e-06/0.38, allocations: 0 / 1.375 GB, free: 1.863 MB / 1.061 GB Notification: Performance of matching and sorting (n=49) (initialization): time 0.001259/0.3813, allocations: 476.8 kB / 1.376 GB, free: 1.391 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 3.23e-05/0.3813, allocations: 6.344 kB / 1.376 GB, free: 1.387 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.488e-06/0.3813, allocations: 8.25 kB / 1.376 GB, free: 1.379 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.05e-05/0.3813, allocations: 11.94 kB / 1.376 GB, free: 1.367 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004761/0.3818, allocations: 99.8 kB / 1.376 GB, free: 1.27 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.272e-05/0.3818, allocations: 7.984 kB / 1.376 GB, free: 1.262 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003066/0.3821, allocations: 59.73 kB / 1.376 GB, free: 1.203 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.494e-05/0.3822, allocations: 16 kB / 1.376 GB, free: 1.188 MB / 1.061 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 24 (reaToInt2.y,ove.or5.y,ove.or1.y,ove.forMinFlo1.y,ove.or3.y,ove.forMinFlo.y,ove.forCooMax.y,ove.forZerFlo.y,reaToInt1.y,ove.or2.y,ove.intEqu4.y,ove.intEqu3.y,reaToInt3.y,ove.or4.y,ove.intEqu2.y,ove.intEqu1.y,ove.conInt7.y,ove.conInt6.y,ove.conInt4.y,ove.conInt3.y,ove.conInt5.y,ove.conInt2.y,ove.conInt1.y,ove.conInt.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (49): * Single equations (assignments): 49 * 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 0.0002934/0.3825, allocations: 177.7 kB / 1.376 GB, free: 1.004 MB / 1.061 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000102/0.3826, allocations: 35.77 kB / 1.376 GB, free: 0.9688 MB / 1.061 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 9.658e-05/0.3827, allocations: 42.14 kB / 1.376 GB, free: 0.9297 MB / 1.061 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.957e-06/0.3827, allocations: 7.938 kB / 1.376 GB, free: 0.9219 MB / 1.061 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.099e-05/0.3827, allocations: 3.984 kB / 1.376 GB, free: 0.918 MB / 1.061 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.899e-06/0.3827, allocations: 0 / 1.376 GB, free: 0.918 MB / 1.061 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006263/0.3833, allocations: 392.4 kB / 1.376 GB, free: 0.4922 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.904e-06/0.3833, allocations: 4 kB / 1.376 GB, free: 500 kB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003975/0.3837, allocations: 83.86 kB / 1.376 GB, free: 416 kB / 1.061 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.719e-06/0.3837, allocations: 4 kB / 1.376 GB, free: 412 kB / 1.061 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.423e-05/0.3837, allocations: 4 kB / 1.376 GB, free: 408 kB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.96e-06/0.3838, allocations: 7.938 kB / 1.376 GB, free: 400 kB / 1.061 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.767e-06/0.3838, allocations: 3.984 kB / 1.376 GB, free: 396 kB / 1.061 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001315/0.3851, allocations: 0.6611 MB / 1.377 GB, free: 15.71 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 4.696e-05/0.3851, allocations: 39.64 kB / 1.377 GB, free: 15.67 MB / 1.076 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.737e-05/0.3852, allocations: 8 kB / 1.377 GB, free: 15.66 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003525/0.3855, allocations: 47.83 kB / 1.377 GB, free: 15.61 MB / 1.076 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001664/0.3857, allocations: 63.91 kB / 1.377 GB, free: 15.55 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.732e-05/0.3857, allocations: 15.98 kB / 1.377 GB, free: 15.54 MB / 1.076 GB Notification: Performance of sorting global known variables: time 0.0001813/0.3859, allocations: 171.1 kB / 1.377 GB, free: 15.37 MB / 1.076 GB Notification: Performance of sort global known variables: time 7e-08/0.3859, allocations: 0 / 1.377 GB, free: 15.37 MB / 1.076 GB Notification: Performance of remove unused functions: time 0.0004356/0.3863, allocations: 95.67 kB / 1.378 GB, free: 15.27 MB / 1.076 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 16 (ove.forZerFlo.y,ove.forCooMax.y,ove.forMinFlo.y,ove.or3.y,ove.forMinFlo1.y,ove.or1.y,ove.or5.y,reaToInt2.y,ove.intEqu3.y,ove.intEqu4.y,ove.or2.y,reaToInt1.y,ove.intEqu1.y,ove.intEqu2.y,ove.or4.y,reaToInt3.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (41): * Single equations (assignments): 41 * 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 0.001676/0.388, allocations: 1.232 MB / 1.379 GB, free: 14.01 MB / 1.076 GB Notification: Performance of simCode: created initialization part: time 0.001211/0.3892, allocations: 392.8 kB / 1.379 GB, free: 13.63 MB / 1.076 GB Notification: Performance of simCode: created event and clocks part: time 2.354e-06/0.3892, allocations: 0 / 1.379 GB, free: 13.63 MB / 1.076 GB Notification: Performance of simCode: created simulation system equations: time 0.000639/0.3899, allocations: 235.6 kB / 1.379 GB, free: 13.4 MB / 1.076 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005761/0.3904, allocations: 49.62 kB / 1.379 GB, free: 13.35 MB / 1.076 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005879/0.3963, allocations: 3.486 MB / 1.383 GB, free: 9.711 MB / 1.076 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002414/0.3966, allocations: 215.9 kB / 1.383 GB, free: 9.477 MB / 1.076 GB Notification: Performance of simCode: alias equations: time 0.0002595/0.3968, allocations: 63.25 kB / 1.383 GB, free: 9.418 MB / 1.076 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002749/0.3971, allocations: 159.4 kB / 1.383 GB, free: 9.262 MB / 1.076 GB Notification: Performance of SimCode: time 1.152e-06/0.3971, allocations: 0 / 1.383 GB, free: 9.262 MB / 1.076 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03599/0.4331, allocations: 7.739 MB / 1.391 GB, free: 1.75 MB / 1.076 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.91/12.35, allocations: 8.172 kB / 1.391 GB, free: 1.746 MB / 1.076 GB " [Timeout remaining time 288] (rm -f Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides.pipe ; mkfifo Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides.pipe ; head -c 1048576 < Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides.pipe >> ../files/Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides_res.mat --tempDir=temp_Buildings_latest_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctMixConInletSensor_Subsequences_Validation_Overrides_fmu --startTime=0 --stopTime=3600 --stepSize=1.44 --timeout=800 --tolerance=1e-06 Buildings_latest_Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctMixConInletSensor_Subsequences_Validation_Overrides.fmu > Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides.pipe 2>&1) [Timeout 840.0] diffSimulationResults("Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Controls_OBC_ASHRAE_G36_TerminalUnits_DualDuctMixConInletSensor_Subsequences_Validation_Overrides.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.DualDuctMixConInletSensor.Subsequences.Validation.Overrides.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: 19.303291897289455]