Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3.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 0.001824/0.001824, allocations: 99.75 kB / 18.95 MB, free: 2.832 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 0.002053/0.002053, allocations: 219.3 kB / 22.25 MB, free: 5.105 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 1.488/1.488, allocations: 230.6 MB / 256 MB, free: 7.789 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 3.187/3.187, allocations: 0.49 GB / 0.7951 GB, free: 35.62 MB / 0.6231 GB " [Timeout remaining time 176] 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.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3,fileNamePrefix="Buildings_12_Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase3",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3,fileNamePrefix="Buildings_12_Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase3",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 0.002035/0.002035, allocations: 67.42 kB / 1.154 GB, free: 25.47 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3424/0.3444, allocations: 176.1 MB / 1.326 GB, free: 1.508 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3): time 0.1785/0.523, allocations: 138.5 MB / 1.461 GB, free: 6.434 MB / 1.154 GB Notification: Performance of NFInst.instExpressions: time 0.02604/0.549, allocations: 19.71 MB / 1.48 GB, free: 2.664 MB / 1.17 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001676/0.5507, allocations: 71.44 kB / 1.48 GB, free: 2.594 MB / 1.17 GB Notification: Performance of NFTyping.typeComponents: time 0.001717/0.5524, allocations: 1.169 MB / 1.482 GB, free: 1.422 MB / 1.17 GB Notification: Performance of NFTyping.typeBindings: time 0.001676/0.5541, allocations: 0.9146 MB / 1.482 GB, free: 0.5039 MB / 1.17 GB Notification: Performance of NFTyping.typeClassSections: time 0.0009524/0.555, allocations: 386.9 kB / 1.483 GB, free: 128 kB / 1.17 GB Notification: Performance of NFFlatten.flatten: time 0.001456/0.5565, allocations: 1.278 MB / 1.484 GB, free: 14.84 MB / 1.186 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000733/0.5572, allocations: 0.5468 MB / 1.485 GB, free: 14.29 MB / 1.186 GB Notification: Performance of NFEvalConstants.evaluate: time 0.000726/0.558, allocations: 0.5724 MB / 1.485 GB, free: 13.71 MB / 1.186 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001287/0.5592, allocations: 1.011 MB / 1.486 GB, free: 12.7 MB / 1.186 GB Notification: Performance of NFPackage.collectConstants: time 0.0001124/0.5594, allocations: 72 kB / 1.486 GB, free: 12.62 MB / 1.186 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0002424/0.5596, allocations: 111.9 kB / 1.486 GB, free: 12.52 MB / 1.186 GB Notification: Performance of NFScalarize.scalarize: time 0.0002971/0.5599, allocations: 320.7 kB / 1.487 GB, free: 12.21 MB / 1.186 GB Notification: Performance of NFVerifyModel.verify: time 0.000395/0.5603, allocations: 381.6 kB / 1.487 GB, free: 11.83 MB / 1.186 GB Notification: Performance of NFConvertDAE.convert: time 0.001323/0.5616, allocations: 1.233 MB / 1.488 GB, free: 10.59 MB / 1.186 GB Notification: Performance of FrontEnd - DAE generated: time 4.178e-06/0.5616, allocations: 3.938 kB / 1.488 GB, free: 10.59 MB / 1.186 GB Notification: Performance of FrontEnd: time 1.573e-06/0.5616, allocations: 0 / 1.488 GB, free: 10.59 MB / 1.186 GB Notification: Performance of Transformations before backend: time 1.343e-05/0.5616, allocations: 0 / 1.488 GB, free: 10.59 MB / 1.186 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 107 * Number of variables: 107 Notification: Performance of Generate backend data structure: time 0.002462/0.5641, allocations: 1.509 MB / 1.49 GB, free: 9.043 MB / 1.186 GB Notification: Performance of prepare preOptimizeDAE: time 3.69e-05/0.5641, allocations: 8.031 kB / 1.49 GB, free: 9.035 MB / 1.186 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001049/0.5642, allocations: 86.7 kB / 1.49 GB, free: 8.941 MB / 1.186 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002033/0.5644, allocations: 144 kB / 1.49 GB, free: 8.801 MB / 1.186 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009706/0.5654, allocations: 0.6063 MB / 1.491 GB, free: 8.152 MB / 1.186 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001482/0.5656, allocations: 96.39 kB / 1.491 GB, free: 8.047 MB / 1.186 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.304e-05/0.5656, allocations: 51.94 kB / 1.491 GB, free: 7.996 MB / 1.186 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001006/0.5667, allocations: 0.5262 MB / 1.491 GB, free: 7.457 MB / 1.186 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.834e-05/0.5667, allocations: 0 / 1.491 GB, free: 7.457 MB / 1.186 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.841e-05/0.5667, allocations: 19.98 kB / 1.491 GB, free: 7.438 MB / 1.186 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.288e-05/0.5667, allocations: 8 kB / 1.491 GB, free: 7.43 MB / 1.186 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008679/0.5676, allocations: 411.7 kB / 1.492 GB, free: 7.027 MB / 1.186 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 0.003346/0.5709, allocations: 1.855 MB / 1.493 GB, free: 5.129 MB / 1.186 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000985/0.5719, allocations: 433.6 kB / 1.494 GB, free: 4.695 MB / 1.186 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006505/0.5726, allocations: 287.1 kB / 1.494 GB, free: 4.414 MB / 1.186 GB Notification: Performance of preOpt evalFunc (simulation): time 3.02e-05/0.5726, allocations: 8.328 kB / 1.494 GB, free: 4.406 MB / 1.186 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005695/0.5732, allocations: 292.8 kB / 1.494 GB, free: 4.109 MB / 1.186 GB Notification: Performance of pre-optimization done (n=44): time 2.234e-06/0.5732, allocations: 0 / 1.494 GB, free: 4.109 MB / 1.186 GB Notification: Performance of matching and sorting (n=44): time 0.002637/0.5758, allocations: 0.9977 MB / 1.495 GB, free: 3.098 MB / 1.186 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.601e-05/0.5759, allocations: 55.41 kB / 1.495 GB, free: 3.031 MB / 1.186 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001979/0.5778, allocations: 1.8 MB / 1.497 GB, free: 1.223 MB / 1.186 GB Notification: Performance of collectPreVariables (initialization): time 4.644e-05/0.5779, allocations: 37.7 kB / 1.497 GB, free: 1.18 MB / 1.186 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004601/0.5784, allocations: 0.5255 MB / 1.498 GB, free: 0.6484 MB / 1.186 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001381/0.5785, allocations: 154.7 kB / 1.498 GB, free: 0.4961 MB / 1.186 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001592/0.5787, allocations: 98.34 kB / 1.498 GB, free: 404 kB / 1.186 GB Notification: Performance of setup shared object (initialization): time 0.0001371/0.5788, allocations: 330 kB / 1.498 GB, free: 68 kB / 1.186 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004978/0.5793, allocations: 217.1 kB / 1.498 GB, free: 15.85 MB / 1.201 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005703/0.5799, allocations: 344.1 kB / 1.499 GB, free: 15.47 MB / 1.201 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009428/0.5808, allocations: 0.5229 MB / 1.499 GB, free: 14.9 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.34e-06/0.5808, allocations: 8 kB / 1.499 GB, free: 14.89 MB / 1.201 GB Notification: Performance of matching and sorting (n=69) (initialization): time 0.001608/0.5824, allocations: 0.811 MB / 1.5 GB, free: 14.07 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 1.846e-05/0.5824, allocations: 8 kB / 1.5 GB, free: 14.06 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.148e-05/0.5824, allocations: 4 kB / 1.5 GB, free: 14.06 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004237/0.5829, allocations: 138.8 kB / 1.5 GB, free: 13.92 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003787/0.5832, allocations: 99.81 kB / 1.5 GB, free: 13.82 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002956/0.5862, allocations: 2.469 MB / 1.503 GB, free: 11.25 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004567/0.5867, allocations: 79.64 kB / 1.503 GB, free: 11.17 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.152e-05/0.5867, allocations: 20 kB / 1.503 GB, free: 11.15 MB / 1.201 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * Number of states: 0 () * Number of discrete variables: 19 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition5,$PRE.intGai.nextTimeEvent,$whenCondition4,$PRE.reference.nextTimeEvent,$whenCondition3,$whenCondition1,reference.nextTimeEvent,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,assEqu.satisfied,$PRE.assEqu.satisfied,mean.y_last,$PRE.mean.y_last,$whenCondition2,intGai.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (54): * Single equations (assignments): 53 * 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): 1 system {(1,15,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0005216/0.5872, allocations: 391.2 kB / 1.503 GB, free: 10.76 MB / 1.201 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001523/0.5874, allocations: 123.1 kB / 1.503 GB, free: 10.64 MB / 1.201 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001447/0.5888, allocations: 0.7321 MB / 1.504 GB, free: 9.887 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.655e-06/0.5888, allocations: 7.984 kB / 1.504 GB, free: 9.879 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.601e-06/0.5888, allocations: 4 kB / 1.504 GB, free: 9.875 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.889e-06/0.5888, allocations: 0 / 1.504 GB, free: 9.875 MB / 1.201 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002443/0.5913, allocations: 1.433 MB / 1.505 GB, free: 8.391 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.106e-06/0.5913, allocations: 0 / 1.505 GB, free: 8.391 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002445/0.5915, allocations: 63.83 kB / 1.506 GB, free: 8.328 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004063/0.5919, allocations: 159 kB / 1.506 GB, free: 8.168 MB / 1.201 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.015e-05/0.592, allocations: 12 kB / 1.506 GB, free: 8.156 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004065/0.596, allocations: 4.008 MB / 1.51 GB, free: 3.926 MB / 1.201 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.613e-06/0.596, allocations: 4.156 kB / 1.51 GB, free: 3.922 MB / 1.201 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001872/0.5979, allocations: 1.021 MB / 1.511 GB, free: 2.879 MB / 1.201 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003216/0.5982, allocations: 143.1 kB / 1.511 GB, free: 2.738 MB / 1.201 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001021/0.5983, allocations: 15.94 kB / 1.511 GB, free: 2.723 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003306/0.5987, allocations: 31.95 kB / 1.511 GB, free: 2.691 MB / 1.201 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001372/0.5988, allocations: 55.91 kB / 1.511 GB, free: 2.637 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.934e-05/0.5988, allocations: 11.98 kB / 1.511 GB, free: 2.625 MB / 1.201 GB Notification: Performance of sorting global known variables: time 0.001504/0.6004, allocations: 1.317 MB / 1.512 GB, free: 1.305 MB / 1.201 GB Notification: Performance of sort global known variables: time 1.1e-07/0.6004, allocations: 0 / 1.512 GB, free: 1.305 MB / 1.201 GB Notification: Performance of remove unused functions: time 0.0007583/0.6011, allocations: 207.7 kB / 1.512 GB, free: 1.102 MB / 1.201 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (mean.x,assEqu.diff,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,thermalZoneTwoElements.extWallRC.thermCapExt[1].T) * Number of discrete variables: 12 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,mean.y_last,assEqu.nFai,assEqu.satisfied,reference.nextTimeEventScaled,reference.nextTimeEvent,intGai.nextTimeEventScaled,intGai.nextTimeEvent) * Number of discrete states: 7 (intGai.nextTimeEvent,reference.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (30): * Single equations (assignments): 22 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 6 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,12,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.00393/0.605, allocations: 1.964 MB / 1.514 GB, free: 15.32 MB / 1.217 GB Notification: Performance of simCode: created initialization part: time 0.001432/0.6065, allocations: 0.6545 MB / 1.515 GB, free: 14.65 MB / 1.217 GB Notification: Performance of simCode: created event and clocks part: time 2.354e-06/0.6065, allocations: 0 / 1.515 GB, free: 14.65 MB / 1.217 GB Notification: Performance of simCode: created simulation system equations: time 0.0008809/0.6074, allocations: 0.5201 MB / 1.515 GB, free: 14.11 MB / 1.217 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000992/0.6083, allocations: 216.2 kB / 1.516 GB, free: 13.91 MB / 1.217 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01246/0.6208, allocations: 8.599 MB / 1.524 GB, free: 5.078 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006731/0.6215, allocations: 0.5584 MB / 1.525 GB, free: 4.484 MB / 1.217 GB Notification: Performance of simCode: alias equations: time 0.0003303/0.6218, allocations: 92.77 kB / 1.525 GB, free: 4.395 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005029/0.6223, allocations: 415.3 kB / 1.525 GB, free: 3.988 MB / 1.217 GB Notification: Performance of SimCode: time 7.31e-07/0.6223, allocations: 0 / 1.525 GB, free: 3.988 MB / 1.217 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09522/0.7175, allocations: 22.71 MB / 1.547 GB, free: 13.51 MB / 1.248 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.86/13.58, allocations: 1.891 kB / 1.547 GB, free: 13.51 MB / 1.248 GB " [Timeout remaining time 286] (rm -f Buildings_12_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3.pipe ; mkfifo Buildings_12_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3.pipe ; head -c 1048576 < Buildings_12_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3.pipe >> ../files/Buildings_12_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3_res.mat --tempDir=temp_Buildings_12_Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase3_fmu --startTime=0 --stopTime=5.184e+06 --stepSize=60 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase3.fmu > Buildings_12_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_12_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase3.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase3.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 299] Reference file matches [Calling sys.exit(0), Time elapsed: 23.992897504009306]