Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.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 0.001746/0.001746, allocations: 109.9 kB / 16.45 MB, free: 6.035 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 0.001982/0.001982, allocations: 191.8 kB / 19.41 MB, free: 3.539 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 1.51/1.51, allocations: 225.6 MB / 247.8 MB, free: 13.94 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 2.6/2.6, allocations: 443.5 MB / 0.7287 GB, free: 13.23 MB / 0.5919 GB " [Timeout remaining time 177] 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: "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow,fileNamePrefix="Buildings_10_Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_SetPoints_OutdoorAirFlow_Title24_Validation_OutdoorAirFlow",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow,fileNamePrefix="Buildings_10_Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_SetPoints_OutdoorAirFlow_Title24_Validation_OutdoorAirFlow",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002066/0.002066, allocations: 63.89 kB / 1.056 GB, free: 5.754 MB / 0.8575 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8587/0.8608, allocations: 160.7 MB / 1.213 GB, free: 3.938 MB / 0.92 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow): time 0.003147/0.8639, allocations: 1.542 MB / 1.215 GB, free: 2.73 MB / 0.92 GB Notification: Performance of NFInst.instExpressions: time 0.0009423/0.8649, allocations: 322.8 kB / 1.215 GB, free: 2.461 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000288/0.8651, allocations: 6.562 kB / 1.215 GB, free: 2.461 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.0003095/0.8655, allocations: 77.33 kB / 1.215 GB, free: 2.391 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.0002745/0.8657, allocations: 48.98 kB / 1.215 GB, free: 2.352 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.000278/0.866, allocations: 115.5 kB / 1.215 GB, free: 2.254 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.000601/0.8666, allocations: 432.2 kB / 1.215 GB, free: 1.988 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006047/0.8672, allocations: 367.6 kB / 1.216 GB, free: 1.773 MB / 0.92 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002316/0.8674, allocations: 183.6 kB / 1.216 GB, free: 1.656 MB / 0.92 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003295/0.8678, allocations: 249.4 kB / 1.216 GB, free: 1.477 MB / 0.92 GB Notification: Performance of NFPackage.collectConstants: time 0.0001187/0.8679, allocations: 53.59 kB / 1.216 GB, free: 1.477 MB / 0.92 GB Notification: Performance of NFFlatten.collectFunctions: time 9.036e-05/0.868, allocations: 54.28 kB / 1.216 GB, free: 1.477 MB / 0.92 GB Notification: Performance of NFScalarize.scalarize: time 0.0002474/0.8682, allocations: 183 kB / 1.217 GB, free: 1.352 MB / 0.92 GB Notification: Performance of NFVerifyModel.verify: time 0.0004019/0.8686, allocations: 266.6 kB / 1.217 GB, free: 1.145 MB / 0.92 GB Notification: Performance of NFConvertDAE.convert: time 0.001061/0.8697, allocations: 0.8868 MB / 1.218 GB, free: 452 kB / 0.92 GB Notification: Performance of FrontEnd - DAE generated: time 4.729e-06/0.8697, allocations: 0 / 1.218 GB, free: 452 kB / 0.92 GB Notification: Performance of FrontEnd: time 1.502e-06/0.8697, allocations: 0 / 1.218 GB, free: 452 kB / 0.92 GB Notification: Performance of Transformations before backend: time 3.313e-05/0.8697, allocations: 1.375 kB / 1.218 GB, free: 452 kB / 0.92 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 127 * Number of variables: 127 Notification: Performance of Generate backend data structure: time 0.001738/0.8715, allocations: 0.8771 MB / 1.219 GB, free: 15.71 MB / 0.9356 GB Notification: Performance of prepare preOptimizeDAE: time 4.097e-05/0.8715, allocations: 9.75 kB / 1.219 GB, free: 15.71 MB / 0.9356 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001346/0.8716, allocations: 93.8 kB / 1.219 GB, free: 15.63 MB / 0.9356 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001481/0.8718, allocations: 74.41 kB / 1.219 GB, free: 15.59 MB / 0.9356 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008023/0.8726, allocations: 464.2 kB / 1.219 GB, free: 15.22 MB / 0.9356 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.991e-05/0.8726, allocations: 45.91 kB / 1.219 GB, free: 15.2 MB / 0.9356 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.459e-05/0.8727, allocations: 48.97 kB / 1.219 GB, free: 15.18 MB / 0.9356 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000942/0.8737, allocations: 0.5398 MB / 1.22 GB, free: 14.87 MB / 0.9356 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.575e-05/0.8737, allocations: 0 / 1.22 GB, free: 14.87 MB / 0.9356 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.839e-05/0.8737, allocations: 20.72 kB / 1.22 GB, free: 14.85 MB / 0.9356 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.491e-05/0.8737, allocations: 11.72 kB / 1.22 GB, free: 14.85 MB / 0.9356 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008664/0.8746, allocations: 0.503 MB / 1.22 GB, free: 14.61 MB / 0.9356 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003101/0.8777, allocations: 1.836 MB / 1.222 GB, free: 13.19 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004484/0.8782, allocations: 130.9 kB / 1.222 GB, free: 13.11 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001066/0.8783, allocations: 63.75 kB / 1.222 GB, free: 13.07 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 2.133e-05/0.8783, allocations: 5.188 kB / 1.222 GB, free: 13.07 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.798e-05/0.8783, allocations: 35.91 kB / 1.222 GB, free: 13.03 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=12): time 1.383e-06/0.8783, allocations: 0 / 1.222 GB, free: 13.03 MB / 0.9356 GB Notification: Performance of matching and sorting (n=12): time 0.0004493/0.8788, allocations: 224.8 kB / 1.222 GB, free: 12.89 MB / 0.9356 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.694e-05/0.8788, allocations: 53.84 kB / 1.223 GB, free: 12.83 MB / 0.9356 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007744/0.8796, allocations: 0.5659 MB / 1.223 GB, free: 12.52 MB / 0.9356 GB Notification: Performance of collectPreVariables (initialization): time 2.316e-05/0.8796, allocations: 30.92 kB / 1.223 GB, free: 12.48 MB / 0.9356 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002847/0.8799, allocations: 355.5 kB / 1.223 GB, free: 12.17 MB / 0.9356 GB Notification: Performance of collectInitialBindings (initialization): time 4.577e-05/0.8799, allocations: 54.38 kB / 1.224 GB, free: 12.12 MB / 0.9356 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001244/0.8801, allocations: 80.78 kB / 1.224 GB, free: 12.07 MB / 0.9356 GB Notification: Performance of setup shared object (initialization): time 0.0001825/0.8802, allocations: 350.5 kB / 1.224 GB, free: 11.73 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001821/0.8804, allocations: 120 kB / 1.224 GB, free: 11.67 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000343/0.8808, allocations: 312.6 kB / 1.224 GB, free: 11.36 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005319/0.8813, allocations: 440.4 kB / 1.225 GB, free: 10.96 MB / 0.9356 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.604e-06/0.8813, allocations: 1.375 kB / 1.225 GB, free: 10.96 MB / 0.9356 GB Notification: Performance of matching and sorting (n=45) (initialization): time 0.0007739/0.8821, allocations: 474.7 kB / 1.225 GB, free: 10.71 MB / 0.9356 GB Notification: Performance of prepare postOptimizeDAE: time 2.146e-05/0.8821, allocations: 7.25 kB / 1.225 GB, free: 10.71 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.328e-05/0.8821, allocations: 6.906 kB / 1.225 GB, free: 10.71 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.717e-05/0.8821, allocations: 13.28 kB / 1.225 GB, free: 10.71 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002906/0.8824, allocations: 82.67 kB / 1.225 GB, free: 10.69 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.917e-05/0.8825, allocations: 13.25 kB / 1.225 GB, free: 10.69 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000292/0.8827, allocations: 59.36 kB / 1.225 GB, free: 10.65 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.777e-05/0.8828, allocations: 25.11 kB / 1.225 GB, free: 10.64 MB / 0.9356 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 30 * Number of states: 0 () * Number of discrete variables: 6 (opeMod[2].y,opeMod[1].y,zonToAhu.occMod[2].y,zonToAhu.occMod[1].y,zonToAhu.intEqu1[1].y,zonToAhu.intEqu1[2].y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (45): * Single equations (assignments): 45 * 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 0.0003179/0.8831, allocations: 245.9 kB / 1.226 GB, free: 10.45 MB / 0.9356 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.704e-05/0.8832, allocations: 41.78 kB / 1.226 GB, free: 10.43 MB / 0.9356 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000335/0.8835, allocations: 192.3 kB / 1.226 GB, free: 10.3 MB / 0.9356 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.813e-06/0.8835, allocations: 5.25 kB / 1.226 GB, free: 10.3 MB / 0.9356 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.709e-06/0.8835, allocations: 3.938 kB / 1.226 GB, free: 10.3 MB / 0.9356 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.048e-06/0.8835, allocations: 1.375 kB / 1.226 GB, free: 10.3 MB / 0.9356 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00141/0.885, allocations: 1.007 MB / 1.227 GB, free: 9.453 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.791e-06/0.885, allocations: 8.094 kB / 1.227 GB, free: 9.445 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001065/0.8851, allocations: 23.92 kB / 1.227 GB, free: 9.422 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.008e-06/0.8851, allocations: 7.938 kB / 1.227 GB, free: 9.414 MB / 0.9356 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.314e-05/0.8851, allocations: 4 kB / 1.227 GB, free: 9.41 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.619e-06/0.8851, allocations: 4 kB / 1.227 GB, free: 9.406 MB / 0.9356 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.292e-06/0.8851, allocations: 7.938 kB / 1.227 GB, free: 9.398 MB / 0.9356 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003602/0.8855, allocations: 282.2 kB / 1.227 GB, free: 9.07 MB / 0.9356 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001789/0.8856, allocations: 132.8 kB / 1.227 GB, free: 8.922 MB / 0.9356 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.4e-05/0.8857, allocations: 8 kB / 1.227 GB, free: 8.914 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000134/0.8858, allocations: 11.98 kB / 1.227 GB, free: 8.902 MB / 0.9356 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.414e-05/0.8858, allocations: 15.92 kB / 1.227 GB, free: 8.887 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.142e-05/0.8859, allocations: 8 kB / 1.227 GB, free: 8.879 MB / 0.9356 GB Notification: Performance of sorting global known variables: time 0.0004898/0.8863, allocations: 403 kB / 1.228 GB, free: 8.488 MB / 0.9356 GB Notification: Performance of sort global known variables: time 7e-08/0.8863, allocations: 0 / 1.228 GB, free: 8.488 MB / 0.9356 GB Notification: Performance of remove unused functions: time 0.0004523/0.8868, allocations: 95.62 kB / 1.228 GB, free: 8.395 MB / 0.9356 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 12 * 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 (12): * Single equations (assignments): 12 * 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 0.0007173/0.8875, allocations: 0.8244 MB / 1.229 GB, free: 7.508 MB / 0.9356 GB Notification: Performance of simCode: created initialization part: time 0.0004246/0.8879, allocations: 252 kB / 1.229 GB, free: 7.266 MB / 0.9356 GB Notification: Performance of simCode: created event and clocks part: time 8.727e-06/0.8879, allocations: 4 kB / 1.229 GB, free: 7.262 MB / 0.9356 GB Notification: Performance of simCode: created simulation system equations: time 9.636e-05/0.888, allocations: 72.39 kB / 1.229 GB, free: 7.191 MB / 0.9356 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003764/0.8884, allocations: 42.72 kB / 1.229 GB, free: 7.152 MB / 0.9356 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005567/0.894, allocations: 4.421 MB / 1.233 GB, free: 2.395 MB / 0.9356 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005543/0.8945, allocations: 0.8972 MB / 1.234 GB, free: 1.469 MB / 0.9356 GB Notification: Performance of simCode: alias equations: time 0.0002615/0.8948, allocations: 107.2 kB / 1.234 GB, free: 1.363 MB / 0.9356 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002218/0.895, allocations: 170.2 kB / 1.234 GB, free: 1.199 MB / 0.9356 GB Notification: Performance of SimCode: time 1.082e-06/0.895, allocations: 0 / 1.234 GB, free: 1.199 MB / 0.9356 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03193/0.927, allocations: 7.215 MB / 1.241 GB, free: 10.23 MB / 0.9512 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.592/9.519, allocations: 14 kB / 1.242 GB, free: 10.22 MB / 0.9512 GB " [Timeout remaining time 290] (rm -f Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.pipe ; mkfifo Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.pipe ; head -c 1048576 < Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.pipe >> ../files/Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow_res.mat --tempDir=temp_Buildings_10_Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_SetPoints_OutdoorAirFlow_Title24_Validation_OutdoorAirFlow_fmu --startTime=0 --stopTime=3600 --stepSize=1.44 --timeout=400 --tolerance=1e-06 Buildings_10_Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_SetPoints_OutdoorAirFlow_Title24_Validation_OutdoorAirFlow.fmu > Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.pipe 2>&1) [Timeout 420.0] diffSimulationResults("Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Controls_OBC_ASHRAE_G36_AHUs_MultiZone_VAV_SetPoints_OutdoorAirFlow_Title24_Validation_OutdoorAirFlow.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.OutdoorAirFlow.Title24.Validation.OutdoorAirFlow.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: 15.37714204704389]