Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.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 0.002566/0.002566, allocations: 84.86 kB / 21.62 MB, free: 2.836 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 0.00167/0.00167, allocations: 163.2 kB / 25.05 MB, free: 9.148 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 0.9209/0.9209, allocations: 177.1 MB / 205.5 MB, free: 5.469 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.947/1.947, allocations: 389.6 MB / 0.6363 GB, free: 12.29 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.HeaterFanPressureDriven,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven") translateModel(Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.623e-06/1.623e-06, allocations: 0 / 0.7761 GB, free: 5.262 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.635e-05/1.797e-05, allocations: 5.266 kB / 0.7761 GB, free: 5.258 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven): time 0.1632/0.1632, allocations: 161.3 MB / 0.9337 GB, free: 3.504 MB / 0.8855 GB Notification: Performance of NFInst.instExpressions: time 0.01384/0.1771, allocations: 9.775 MB / 0.9432 GB, free: 9.707 MB / 0.9011 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00245/0.1795, allocations: 107.2 kB / 0.9433 GB, free: 9.602 MB / 0.9011 GB Notification: Performance of NFTyping.typeComponents: time 0.003772/0.1833, allocations: 1.695 MB / 0.945 GB, free: 7.898 MB / 0.9011 GB Notification: Performance of NFTyping.typeBindings: time 0.004848/0.1882, allocations: 2.32 MB / 0.9473 GB, free: 5.566 MB / 0.9011 GB Notification: Performance of NFTyping.typeClassSections: time 0.003372/0.1915, allocations: 1.957 MB / 0.9492 GB, free: 3.613 MB / 0.9011 GB Notification: Performance of NFFlatten.flatten: time 0.008233/0.1998, allocations: 8.106 MB / 0.9571 GB, free: 11.49 MB / 0.9167 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002658/0.2024, allocations: 1.63 MB / 0.9587 GB, free: 9.812 MB / 0.9167 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004228/0.2066, allocations: 2.941 MB / 0.9616 GB, free: 6.898 MB / 0.9167 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001682/0.2083, allocations: 1.251 MB / 0.9628 GB, free: 5.645 MB / 0.9167 GB Notification: Performance of NFPackage.collectConstants: time 0.0003805/0.2087, allocations: 228 kB / 0.963 GB, free: 5.422 MB / 0.9167 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001742/0.2104, allocations: 1.174 MB / 0.9641 GB, free: 4.246 MB / 0.9167 GB Notification: Performance of NFScalarize.scalarize: time 0.0005645/0.211, allocations: 0.8374 MB / 0.965 GB, free: 3.402 MB / 0.9167 GB Notification: Performance of NFVerifyModel.verify: time 0.001086/0.2121, allocations: 0.8575 MB / 0.9658 GB, free: 2.543 MB / 0.9167 GB Notification: Performance of NFConvertDAE.convert: time 0.00341/0.2155, allocations: 2.492 MB / 0.9682 GB, free: 44 kB / 0.9167 GB Notification: Performance of FrontEnd - DAE generated: time 4.709e-06/0.2155, allocations: 0 / 0.9682 GB, free: 44 kB / 0.9167 GB Notification: Performance of FrontEnd: time 1.333e-06/0.2155, allocations: 0 / 0.9682 GB, free: 44 kB / 0.9167 GB Notification: Performance of Transformations before backend: time 6.735e-05/0.2156, allocations: 0 / 0.9682 GB, free: 44 kB / 0.9167 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 336 * Number of variables: 336 Notification: Performance of Generate backend data structure: time 0.002757/0.2183, allocations: 2.66 MB / 0.9708 GB, free: 13.33 MB / 0.9323 GB Notification: Performance of prepare preOptimizeDAE: time 3.248e-05/0.2184, allocations: 8.625 kB / 0.9708 GB, free: 13.32 MB / 0.9323 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001982/0.2204, allocations: 0.8147 MB / 0.9716 GB, free: 12.5 MB / 0.9323 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005234/0.2256, allocations: 4.472 MB / 0.976 GB, free: 7.953 MB / 0.9323 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.14e-05/0.2256, allocations: 106.6 kB / 0.9761 GB, free: 7.848 MB / 0.9323 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001181/0.2258, allocations: 132 kB / 0.9762 GB, free: 7.719 MB / 0.9323 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001198/0.227, allocations: 1.095 MB / 0.9773 GB, free: 6.535 MB / 0.9323 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.143e-05/0.227, allocations: 4 kB / 0.9773 GB, free: 6.531 MB / 0.9323 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.208e-05/0.2271, allocations: 56 kB / 0.9773 GB, free: 6.477 MB / 0.9323 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.727e-05/0.2271, allocations: 50.52 kB / 0.9774 GB, free: 6.426 MB / 0.9323 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005507/0.2276, allocations: 379.5 kB / 0.9778 GB, free: 6.039 MB / 0.9323 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 0.004344/0.232, allocations: 4.011 MB / 0.9817 GB, free: 1.883 MB / 0.9323 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005427/0.2325, allocations: 273.3 kB / 0.9819 GB, free: 1.605 MB / 0.9323 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001654/0.2327, allocations: 117.7 kB / 0.982 GB, free: 1.488 MB / 0.9323 GB Notification: Performance of preOpt evalFunc (simulation): time 8.247e-05/0.2328, allocations: 23.97 kB / 0.9821 GB, free: 1.465 MB / 0.9323 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.299e-05/0.2328, allocations: 42.55 kB / 0.9821 GB, free: 1.414 MB / 0.9323 GB Notification: Performance of pre-optimization done (n=35): time 1.603e-06/0.2328, allocations: 0 / 0.9821 GB, free: 1.414 MB / 0.9323 GB Notification: Performance of matching and sorting (n=35): time 0.0005967/0.2334, allocations: 331.3 kB / 0.9824 GB, free: 1.086 MB / 0.9323 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.669e-05/0.2334, allocations: 63.34 kB / 0.9825 GB, free: 1.012 MB / 0.9323 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000909/0.2343, allocations: 1.278 MB / 0.9837 GB, free: 15.69 MB / 0.948 GB Notification: Performance of collectPreVariables (initialization): time 3.666e-05/0.2344, allocations: 33.7 kB / 0.9838 GB, free: 15.65 MB / 0.948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003267/0.2347, allocations: 0.7334 MB / 0.9845 GB, free: 14.91 MB / 0.948 GB Notification: Performance of collectInitialBindings (initialization): time 7.212e-05/0.2348, allocations: 130.9 kB / 0.9846 GB, free: 14.78 MB / 0.948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001343/0.2349, allocations: 130.2 kB / 0.9847 GB, free: 14.64 MB / 0.948 GB Notification: Performance of setup shared object (initialization): time 7.15e-05/0.235, allocations: 329.9 kB / 0.985 GB, free: 14.32 MB / 0.948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001325/0.2351, allocations: 82.27 kB / 0.9851 GB, free: 14.23 MB / 0.948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002483/0.2354, allocations: 450 kB / 0.9856 GB, free: 13.66 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003485/0.2357, allocations: 415.5 kB / 0.986 GB, free: 13.15 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.937e-06/0.2357, allocations: 0 / 0.986 GB, free: 13.15 MB / 0.948 GB Notification: Performance of matching and sorting (n=72) (initialization): time 0.0005062/0.2362, allocations: 448.1 kB / 0.9864 GB, free: 12.71 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.429e-05/0.2362, allocations: 8 kB / 0.9864 GB, free: 12.7 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.778e-06/0.2362, allocations: 11.94 kB / 0.9864 GB, free: 12.69 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.194e-05/0.2363, allocations: 12 kB / 0.9864 GB, free: 12.68 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004923/0.2367, allocations: 184 kB / 0.9866 GB, free: 12.5 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002214/0.237, allocations: 0.6054 MB / 0.9872 GB, free: 11.87 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004065/0.2374, allocations: 87.36 kB / 0.9873 GB, free: 11.78 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.752e-05/0.2374, allocations: 32.05 kB / 0.9873 GB, free: 11.75 MB / 0.948 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002964/0.2377, allocations: 171.1 kB / 0.9875 GB, free: 11.58 MB / 0.948 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003536/0.2381, allocations: 437.8 kB / 0.9879 GB, free: 11.01 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003178/0.2384, allocations: 416.7 kB / 0.9883 GB, free: 10.5 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.825e-06/0.2384, allocations: 0 / 0.9883 GB, free: 10.5 MB / 0.948 GB Notification: Performance of matching and sorting (n=72) (initialization_lambda0): time 0.0004479/0.2388, allocations: 447.9 kB / 0.9887 GB, free: 10.06 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.058e-05/0.2388, allocations: 11.94 kB / 0.9887 GB, free: 10.05 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.47e-06/0.2388, allocations: 4 kB / 0.9887 GB, free: 10.04 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.903e-06/0.2389, allocations: 12 kB / 0.9887 GB, free: 10.03 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004049/0.2393, allocations: 183.8 kB / 0.9889 GB, free: 9.852 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.764e-06/0.2393, allocations: 15.98 kB / 0.9889 GB, free: 9.836 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003407/0.2396, allocations: 71.66 kB / 0.989 GB, free: 9.766 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.39e-05/0.2396, allocations: 27.98 kB / 0.989 GB, free: 9.738 MB / 0.948 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 31 * 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 (71): * Single equations (assignments): 69 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0001213/0.2398, allocations: 220 kB / 0.9892 GB, free: 9.516 MB / 0.948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001074/0.2399, allocations: 107.8 kB / 0.9893 GB, free: 9.41 MB / 0.948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000444/0.2403, allocations: 354.4 kB / 0.9897 GB, free: 9.059 MB / 0.948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.647e-06/0.2403, allocations: 4 kB / 0.9897 GB, free: 9.055 MB / 0.948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.322e-06/0.2403, allocations: 0 / 0.9897 GB, free: 9.055 MB / 0.948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.831e-06/0.2403, allocations: 4 kB / 0.9897 GB, free: 9.051 MB / 0.948 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 postOpt removeSimpleEquations (simulation): time 0.001235/0.2416, allocations: 0.993 MB / 0.9906 GB, free: 8.016 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.585e-06/0.2416, allocations: 0 / 0.9906 GB, free: 8.016 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003188/0.2419, allocations: 116 kB / 0.9907 GB, free: 7.902 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.448e-06/0.2419, allocations: 4 kB / 0.9907 GB, free: 7.898 MB / 0.948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.118e-05/0.2419, allocations: 11.98 kB / 0.9908 GB, free: 7.887 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0001855/0.2421, allocations: 0.5859 MB / 0.9913 GB, free: 7.277 MB / 0.948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.225e-06/0.2421, allocations: 4 kB / 0.9913 GB, free: 7.273 MB / 0.948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003629/0.2425, allocations: 406.6 kB / 0.9917 GB, free: 6.84 MB / 0.948 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002082/0.2427, allocations: 178.7 kB / 0.9919 GB, free: 6.664 MB / 0.948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.99e-05/0.2427, allocations: 12.06 kB / 0.9919 GB, free: 6.652 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000315/0.2431, allocations: 39.91 kB / 0.9919 GB, free: 6.613 MB / 0.948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.571e-05/0.2431, allocations: 27.89 kB / 0.992 GB, free: 6.586 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.607e-05/0.2431, allocations: 15.98 kB / 0.992 GB, free: 6.57 MB / 0.948 GB Notification: Performance of sorting global known variables: time 0.0004766/0.2436, allocations: 0.6523 MB / 0.9926 GB, free: 5.891 MB / 0.948 GB Notification: Performance of sort global known variables: time 8.1e-08/0.2436, allocations: 0 / 0.9926 GB, free: 5.891 MB / 0.948 GB Notification: Performance of remove unused functions: time 0.001107/0.2447, allocations: 0.8296 MB / 0.9934 GB, free: 5.059 MB / 0.948 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * 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 (36): * Single equations (assignments): 35 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.00027/0.245, allocations: 164.2 kB / 0.9936 GB, free: 4.887 MB / 0.948 GB Notification: Performance of simCode: created initialization part: time 0.0007106/0.2457, allocations: 494.2 kB / 0.9941 GB, free: 4.402 MB / 0.948 GB Notification: Performance of simCode: created event and clocks part: time 1.899e-05/0.2457, allocations: 20.69 kB / 0.9941 GB, free: 4.383 MB / 0.948 GB Notification: Performance of simCode: created simulation system equations: time 0.0001663/0.2459, allocations: 120.8 kB / 0.9942 GB, free: 4.262 MB / 0.948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001914/0.2478, allocations: 0.976 MB / 0.9951 GB, free: 3.312 MB / 0.948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00472/0.2525, allocations: 3.061 MB / 0.9981 GB, free: 188 kB / 0.948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003657/0.2529, allocations: 412.2 kB / 0.9985 GB, free: 15.75 MB / 0.9636 GB Notification: Performance of simCode: alias equations: time 0.001247/0.2541, allocations: 330.9 kB / 0.9988 GB, free: 15.43 MB / 0.9636 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001103/0.2552, allocations: 0.6238 MB / 0.9995 GB, free: 14.78 MB / 0.9636 GB Notification: Performance of SimCode: time 1.373e-06/0.2552, allocations: 4 kB / 0.9995 GB, free: 14.78 MB / 0.9636 GB Notification: Performance of Templates: time 0.04013/0.2954, allocations: 34.71 MB / 1.033 GB, free: 12.91 MB / 0.9948 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe ; mkfifo Buildings_13_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe >> ../files/Buildings_13_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.sim & ./Buildings_13_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.661227053962648]