Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.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 0.001351/0.001351, allocations: 87.58 kB / 20.45 MB, free: 4.117 MB / 18.57 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 0.001634/0.001634, allocations: 161 kB / 23.82 MB, free: 0.75 MB / 18.57 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 1.032/1.032, allocations: 177.1 MB / 204.2 MB, free: 5.598 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 1.738/1.738, allocations: 359 MB / 0.6052 GB, free: 11 MB / 0.573 GB " [Timeout remaining time 178] Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.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: translateModel(Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|hea.com.vol.T|sou.T_in",fileNamePrefix="Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow") translateModel(Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|hea.com.vol.T|sou.T_in",fileNamePrefix="Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.252e-06/1.252e-06, allocations: 0 / 0.7871 GB, free: 11.38 MB / 0.698 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.741e-05/1.867e-05, allocations: 8.281 kB / 0.7871 GB, free: 11.37 MB / 0.698 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow): time 0.1376/0.1376, allocations: 159.9 MB / 0.9432 GB, free: 11.01 MB / 0.8542 GB Notification: Performance of NFInst.instExpressions: time 0.01287/0.1505, allocations: 9.518 MB / 0.9525 GB, free: 1.473 MB / 0.8542 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001731/0.1522, allocations: 103.2 kB / 0.9526 GB, free: 1.371 MB / 0.8542 GB Notification: Performance of NFTyping.typeComponents: time 0.003116/0.1553, allocations: 1.629 MB / 0.9542 GB, free: 15.73 MB / 0.8698 GB Notification: Performance of NFTyping.typeBindings: time 0.003056/0.1584, allocations: 2.157 MB / 0.9563 GB, free: 13.57 MB / 0.8698 GB Notification: Performance of NFTyping.typeClassSections: time 0.002949/0.1613, allocations: 1.941 MB / 0.9582 GB, free: 11.62 MB / 0.8698 GB Notification: Performance of NFFlatten.flatten: time 0.007478/0.1688, allocations: 8.21 MB / 0.9662 GB, free: 3.398 MB / 0.8698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001894/0.1707, allocations: 1.432 MB / 0.9676 GB, free: 1.918 MB / 0.8698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003318/0.174, allocations: 2.488 MB / 0.97 GB, free: 15.46 MB / 0.8855 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001205/0.1752, allocations: 1.171 MB / 0.9712 GB, free: 14.29 MB / 0.8855 GB Notification: Performance of NFPackage.collectConstants: time 0.0002061/0.1754, allocations: 188 kB / 0.9713 GB, free: 14.11 MB / 0.8855 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001141/0.1765, allocations: 0.8265 MB / 0.9722 GB, free: 13.28 MB / 0.8855 GB Notification: Performance of NFScalarize.scalarize: time 0.0004519/0.177, allocations: 0.775 MB / 0.9729 GB, free: 12.5 MB / 0.8855 GB Notification: Performance of NFVerifyModel.verify: time 0.0006436/0.1776, allocations: 0.7483 MB / 0.9736 GB, free: 11.75 MB / 0.8855 GB Notification: Performance of NFConvertDAE.convert: time 0.002065/0.1797, allocations: 2.145 MB / 0.9757 GB, free: 9.598 MB / 0.8855 GB Notification: Performance of FrontEnd - DAE generated: time 3.998e-06/0.1797, allocations: 0 / 0.9757 GB, free: 9.598 MB / 0.8855 GB Notification: Performance of FrontEnd: time 1.173e-06/0.1797, allocations: 0 / 0.9757 GB, free: 9.598 MB / 0.8855 GB Notification: Performance of Transformations before backend: time 2.628e-05/0.1797, allocations: 0 / 0.9757 GB, free: 9.598 MB / 0.8855 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 277 * Number of variables: 277 Notification: Performance of Generate backend data structure: time 0.002339/0.1821, allocations: 2.655 MB / 0.9783 GB, free: 6.879 MB / 0.8855 GB Notification: Performance of prepare preOptimizeDAE: time 4.011e-05/0.1821, allocations: 12.02 kB / 0.9783 GB, free: 6.867 MB / 0.8855 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001684/0.1838, allocations: 0.7161 MB / 0.979 GB, free: 6.148 MB / 0.8855 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005263/0.1891, allocations: 5.382 MB / 0.9843 GB, free: 0.7031 MB / 0.8855 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.426e-05/0.1891, allocations: 90.19 kB / 0.9844 GB, free: 0.6133 MB / 0.8855 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001025/0.1892, allocations: 112 kB / 0.9845 GB, free: 0.5039 MB / 0.8855 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001415/0.1906, allocations: 1.262 MB / 0.9857 GB, free: 15.02 MB / 0.9011 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.175e-05/0.1907, allocations: 7.938 kB / 0.9857 GB, free: 15.02 MB / 0.9011 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.333e-05/0.1907, allocations: 52 kB / 0.9858 GB, free: 14.96 MB / 0.9011 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.989e-05/0.1908, allocations: 41.98 kB / 0.9858 GB, free: 14.92 MB / 0.9011 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000729/0.1915, allocations: 467.2 kB / 0.9863 GB, free: 14.47 MB / 0.9011 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 0.004865/0.1964, allocations: 7.88 MB / 0.994 GB, free: 6.312 MB / 0.9011 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003197/0.1967, allocations: 155.1 kB / 0.9941 GB, free: 6.148 MB / 0.9011 GB Notification: Performance of preOpt resolveLoops (simulation): time 8.759e-05/0.1968, allocations: 67.64 kB / 0.9942 GB, free: 6.078 MB / 0.9011 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001016/0.1969, allocations: 15.98 kB / 0.9942 GB, free: 6.062 MB / 0.9011 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.787e-05/0.1969, allocations: 41.39 kB / 0.9942 GB, free: 6.012 MB / 0.9011 GB Notification: Performance of pre-optimization done (n=18): time 1.773e-06/0.1969, allocations: 0 / 0.9942 GB, free: 6.012 MB / 0.9011 GB Notification: Performance of matching and sorting (n=18): time 0.000573/0.1975, allocations: 362.3 kB / 0.9946 GB, free: 5.652 MB / 0.9011 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.034e-05/0.1975, allocations: 55.41 kB / 0.9946 GB, free: 5.586 MB / 0.9011 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001479/0.199, allocations: 1.679 MB / 0.9963 GB, free: 3.863 MB / 0.9011 GB Notification: Performance of collectPreVariables (initialization): time 3.09e-05/0.199, allocations: 33.7 kB / 0.9963 GB, free: 3.824 MB / 0.9011 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006503/0.1997, allocations: 1.16 MB / 0.9974 GB, free: 2.652 MB / 0.9011 GB Notification: Performance of collectInitialBindings (initialization): time 4.404e-05/0.1997, allocations: 75.42 kB / 0.9975 GB, free: 2.578 MB / 0.9011 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001611/0.1999, allocations: 176.2 kB / 0.9977 GB, free: 2.395 MB / 0.9011 GB Notification: Performance of setup shared object (initialization): time 0.0001215/0.2, allocations: 0.512 MB / 0.9982 GB, free: 1.875 MB / 0.9011 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001569/0.2001, allocations: 91.62 kB / 0.9983 GB, free: 1.781 MB / 0.9011 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004351/0.2006, allocations: 0.7991 MB / 0.999 GB, free: 0.6797 MB / 0.9011 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000675/0.2013, allocations: 0.7904 MB / 0.9998 GB, free: 15.62 MB / 0.9167 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.353e-06/0.2013, allocations: 7.938 kB / 0.9998 GB, free: 15.62 MB / 0.9167 GB Notification: Performance of matching and sorting (n=89) (initialization): time 0.0007909/0.2021, allocations: 0.7442 MB / 1.001 GB, free: 14.87 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 1.876e-05/0.2021, allocations: 20.2 kB / 1.001 GB, free: 14.85 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.268e-05/0.2021, allocations: 16 kB / 1.001 GB, free: 14.83 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.249e-05/0.2021, allocations: 16 kB / 1.001 GB, free: 14.82 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003647/0.2025, allocations: 179.7 kB / 1.001 GB, free: 14.64 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.324e-05/0.2025, allocations: 31.84 kB / 1.001 GB, free: 14.61 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004344/0.2029, allocations: 131.3 kB / 1.001 GB, free: 14.48 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.802e-05/0.203, allocations: 47.92 kB / 1.001 GB, free: 14.43 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003092/0.2033, allocations: 220.8 kB / 1.001 GB, free: 14.21 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004101/0.2037, allocations: 0.7874 MB / 1.002 GB, free: 13.12 MB / 0.9167 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005287/0.2042, allocations: 0.7841 MB / 1.003 GB, free: 12.07 MB / 0.9167 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.908e-06/0.2042, allocations: 4 kB / 1.003 GB, free: 12.07 MB / 0.9167 GB Notification: Performance of matching and sorting (n=89) (initialization_lambda0): time 0.0007421/0.205, allocations: 0.7422 MB / 1.003 GB, free: 11.32 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 1.205e-05/0.205, allocations: 12 kB / 1.003 GB, free: 11.31 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.596e-06/0.205, allocations: 12 kB / 1.003 GB, free: 11.3 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.305e-05/0.205, allocations: 20 kB / 1.003 GB, free: 11.28 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003231/0.2053, allocations: 180.4 kB / 1.004 GB, free: 11.1 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.355e-05/0.2053, allocations: 27.86 kB / 1.004 GB, free: 11.07 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003886/0.2057, allocations: 87.59 kB / 1.004 GB, free: 10.99 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.753e-05/0.2058, allocations: 47.98 kB / 1.004 GB, free: 10.94 MB / 0.9167 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 63 * 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 (88): * Single equations (assignments): 87 * Array equations: 1 * 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 0.0001351/0.2059, allocations: 327.7 kB / 1.004 GB, free: 10.61 MB / 0.9167 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001341/0.206, allocations: 186.8 kB / 1.004 GB, free: 10.43 MB / 0.9167 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001469/0.2062, allocations: 149.1 kB / 1.004 GB, free: 10.29 MB / 0.9167 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.385e-06/0.2062, allocations: 3.938 kB / 1.004 GB, free: 10.28 MB / 0.9167 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.831e-06/0.2062, allocations: 4 kB / 1.004 GB, free: 10.28 MB / 0.9167 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.645e-06/0.2062, allocations: 0 / 1.004 GB, free: 10.28 MB / 0.9167 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001611/0.2078, allocations: 1.608 MB / 1.006 GB, free: 8.543 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.617e-06/0.2078, allocations: 4 kB / 1.006 GB, free: 8.539 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000117/0.2079, allocations: 44.47 kB / 1.006 GB, free: 8.496 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.839e-06/0.2079, allocations: 8 kB / 1.006 GB, free: 8.488 MB / 0.9167 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.801e-05/0.208, allocations: 11.98 kB / 1.006 GB, free: 8.477 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.578e-06/0.208, allocations: 7.938 kB / 1.006 GB, free: 8.469 MB / 0.9167 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.018e-06/0.208, allocations: 4 kB / 1.006 GB, free: 8.465 MB / 0.9167 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003853/0.2083, allocations: 0.5128 MB / 1.007 GB, free: 7.855 MB / 0.9167 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002127/0.2086, allocations: 214.7 kB / 1.007 GB, free: 7.645 MB / 0.9167 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001003/0.2087, allocations: 8 kB / 1.007 GB, free: 7.637 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002815/0.2089, allocations: 35.97 kB / 1.007 GB, free: 7.602 MB / 0.9167 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.976e-05/0.209, allocations: 19.86 kB / 1.007 GB, free: 7.582 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.627e-05/0.209, allocations: 19.98 kB / 1.007 GB, free: 7.562 MB / 0.9167 GB Notification: Performance of sorting global known variables: time 0.0008452/0.2098, allocations: 0.918 MB / 1.008 GB, free: 6.625 MB / 0.9167 GB Notification: Performance of sort global known variables: time 9e-08/0.2098, allocations: 0 / 1.008 GB, free: 6.625 MB / 0.9167 GB Notification: Performance of remove unused functions: time 0.001044/0.2109, allocations: 0.7365 MB / 1.008 GB, free: 5.887 MB / 0.9167 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 18 * 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 (18): * Single equations (assignments): 18 * 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 0.0002465/0.2111, allocations: 171 kB / 1.009 GB, free: 5.711 MB / 0.9167 GB Notification: Performance of simCode: created initialization part: time 0.0006793/0.2118, allocations: 0.5601 MB / 1.009 GB, free: 5.156 MB / 0.9167 GB Notification: Performance of simCode: created event and clocks part: time 3.206e-06/0.2118, allocations: 4 kB / 1.009 GB, free: 5.152 MB / 0.9167 GB Notification: Performance of simCode: created simulation system equations: time 8.691e-05/0.2119, allocations: 68.53 kB / 1.009 GB, free: 5.082 MB / 0.9167 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00173/0.2136, allocations: 0.9434 MB / 1.01 GB, free: 4.156 MB / 0.9167 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002847/0.2165, allocations: 2.678 MB / 1.013 GB, free: 1.348 MB / 0.9167 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002623/0.2167, allocations: 394.9 kB / 1.013 GB, free: 0.9375 MB / 0.9167 GB Notification: Performance of simCode: alias equations: time 0.0007799/0.2175, allocations: 363.5 kB / 1.014 GB, free: 0.5781 MB / 0.9167 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001433/0.2177, allocations: 108.5 kB / 1.014 GB, free: 484 kB / 0.9167 GB Notification: Performance of SimCode: time 9.52e-07/0.2177, allocations: 0 / 1.014 GB, free: 484 kB / 0.9167 GB Notification: Performance of Templates: time 0.4177/0.6353, allocations: 31.7 MB / 1.045 GB, free: 99.83 MB / 0.9323 GB " [Timeout remaining time 299] make -j1 -f Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe ; mkfifo Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe >> ../files/Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.sim & ./Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_FMI_Validation_HeaterFan_noReverseFlow.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 5.935881471261382]