Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled.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 0.001384/0.001384, allocations: 79.69 kB / 21.74 MB, free: 2.516 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 0.001489/0.001489, allocations: 172.2 kB / 25.18 MB, free: 8.879 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 0.9095/0.9095, allocations: 177.1 MB / 205.6 MB, free: 5.066 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 1.832/1.832, allocations: 389.6 MB / 0.6364 GB, free: 12.19 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.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled") translateModel(Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.573e-06/1.573e-06, allocations: 0 / 0.7756 GB, free: 5.953 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.42e-05/1.577e-05, allocations: 2.312 kB / 0.7756 GB, free: 5.949 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled): time 0.1428/0.1428, allocations: 160.6 MB / 0.9324 GB, free: 4.957 MB / 0.8855 GB Notification: Performance of NFInst.instExpressions: time 0.01365/0.1565, allocations: 8.666 MB / 0.9409 GB, free: 12.27 MB / 0.9011 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002113/0.1586, allocations: 126.9 kB / 0.941 GB, free: 12.15 MB / 0.9011 GB Notification: Performance of NFTyping.typeComponents: time 0.002498/0.1611, allocations: 1.324 MB / 0.9423 GB, free: 10.82 MB / 0.9011 GB Notification: Performance of NFTyping.typeBindings: time 0.004008/0.1651, allocations: 2.704 MB / 0.9449 GB, free: 8.098 MB / 0.9011 GB Notification: Performance of NFTyping.typeClassSections: time 0.003334/0.1684, allocations: 2.062 MB / 0.9469 GB, free: 6.039 MB / 0.9011 GB Notification: Performance of NFFlatten.flatten: time 0.009234/0.1777, allocations: 10.49 MB / 0.9572 GB, free: 11.53 MB / 0.9167 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002426/0.1801, allocations: 2.081 MB / 0.9592 GB, free: 9.406 MB / 0.9167 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004213/0.1843, allocations: 3.615 MB / 0.9627 GB, free: 5.852 MB / 0.9167 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001601/0.1859, allocations: 1.713 MB / 0.9644 GB, free: 4.133 MB / 0.9167 GB Notification: Performance of NFPackage.collectConstants: time 0.0003702/0.1863, allocations: 312 kB / 0.9647 GB, free: 3.828 MB / 0.9167 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002194/0.1885, allocations: 1.501 MB / 0.9662 GB, free: 2.32 MB / 0.9167 GB Notification: Performance of NFScalarize.scalarize: time 0.001208/0.1897, allocations: 1.589 MB / 0.9677 GB, free: 0.7266 MB / 0.9167 GB Notification: Performance of NFVerifyModel.verify: time 0.001203/0.1909, allocations: 1.38 MB / 0.9691 GB, free: 15.34 MB / 0.9323 GB Notification: Performance of NFConvertDAE.convert: time 0.003274/0.1941, allocations: 3.839 MB / 0.9728 GB, free: 11.49 MB / 0.9323 GB Notification: Performance of FrontEnd - DAE generated: time 6.141e-06/0.1941, allocations: 0 / 0.9728 GB, free: 11.49 MB / 0.9323 GB Notification: Performance of FrontEnd: time 9.92e-07/0.1941, allocations: 0 / 0.9728 GB, free: 11.49 MB / 0.9323 GB Notification: Performance of Transformations before backend: time 5.01e-05/0.1942, allocations: 0 / 0.9728 GB, free: 11.49 MB / 0.9323 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 451 * Number of variables: 451 Notification: Performance of Generate backend data structure: time 0.004237/0.1984, allocations: 4.328 MB / 0.977 GB, free: 7.113 MB / 0.9323 GB Notification: Performance of prepare preOptimizeDAE: time 3.245e-05/0.1985, allocations: 8.75 kB / 0.9771 GB, free: 7.105 MB / 0.9323 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003638/0.2021, allocations: 1.381 MB / 0.9784 GB, free: 5.723 MB / 0.9323 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002496/0.2046, allocations: 2.259 MB / 0.9806 GB, free: 3.387 MB / 0.9323 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.89e-05/0.2047, allocations: 139.4 kB / 0.9807 GB, free: 3.25 MB / 0.9323 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000208/0.2049, allocations: 191.9 kB / 0.9809 GB, free: 3.062 MB / 0.9323 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002215/0.2071, allocations: 1.733 MB / 0.9826 GB, free: 1.246 MB / 0.9323 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.498e-05/0.2071, allocations: 0 / 0.9826 GB, free: 1.246 MB / 0.9323 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001301/0.2073, allocations: 75.98 kB / 0.9827 GB, free: 1.172 MB / 0.9323 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.866e-05/0.2073, allocations: 75.44 kB / 0.9828 GB, free: 1.098 MB / 0.9323 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001041/0.2084, allocations: 0.6664 MB / 0.9834 GB, free: 432 kB / 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 0.007261/0.2156, allocations: 5.254 MB / 0.9885 GB, free: 11.05 MB / 0.948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001115/0.2167, allocations: 0.5965 MB / 0.9891 GB, free: 10.45 MB / 0.948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003225/0.2171, allocations: 238.6 kB / 0.9894 GB, free: 10.21 MB / 0.948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002983/0.2174, allocations: 128.9 kB / 0.9895 GB, free: 10.09 MB / 0.948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.267e-05/0.2174, allocations: 47.55 kB / 0.9895 GB, free: 10.03 MB / 0.948 GB Notification: Performance of pre-optimization done (n=94): time 2.164e-06/0.2174, allocations: 0 / 0.9895 GB, free: 10.03 MB / 0.948 GB Notification: Performance of matching and sorting (n=94): time 0.00136/0.2188, allocations: 0.8027 MB / 0.9903 GB, free: 9.223 MB / 0.948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.471e-05/0.2188, allocations: 64.41 kB / 0.9904 GB, free: 9.148 MB / 0.948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00162/0.2204, allocations: 2.389 MB / 0.9927 GB, free: 6.777 MB / 0.948 GB Notification: Performance of collectPreVariables (initialization): time 8.446e-05/0.2205, allocations: 45.7 kB / 0.9927 GB, free: 6.727 MB / 0.948 GB Notification: Performance of collectInitialEqns (initialization): time 0.000497/0.221, allocations: 0.9942 MB / 0.9937 GB, free: 5.719 MB / 0.948 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002059/0.2212, allocations: 341 kB / 0.994 GB, free: 5.383 MB / 0.948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003225/0.2215, allocations: 282.5 kB / 0.9943 GB, free: 5.102 MB / 0.948 GB Notification: Performance of setup shared object (initialization): time 0.0001046/0.2216, allocations: 365.8 kB / 0.9947 GB, free: 4.738 MB / 0.948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003675/0.222, allocations: 232.8 kB / 0.9949 GB, free: 4.504 MB / 0.948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008424/0.2228, allocations: 1.076 MB / 0.9959 GB, free: 3.176 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008415/0.2237, allocations: 0.7474 MB / 0.9967 GB, free: 2.344 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.56e-06/0.2237, allocations: 4 kB / 0.9967 GB, free: 2.34 MB / 0.948 GB Notification: Performance of matching and sorting (n=165) (initialization): time 0.001143/0.2248, allocations: 0.8775 MB / 0.9975 GB, free: 1.457 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.785e-05/0.2248, allocations: 12 kB / 0.9975 GB, free: 1.445 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.06e-05/0.2248, allocations: 4 kB / 0.9975 GB, free: 1.441 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.721e-05/0.2249, allocations: 12 kB / 0.9975 GB, free: 1.43 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001235/0.2261, allocations: 431.3 kB / 0.998 GB, free: 1.008 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008321/0.2269, allocations: 2.352 MB / 1 GB, free: 14.56 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009419/0.2279, allocations: 262.9 kB / 1.001 GB, free: 14.3 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001006/0.228, allocations: 55.94 kB / 1.001 GB, free: 14.25 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006497/0.2286, allocations: 328.3 kB / 1.001 GB, free: 13.92 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0006374/0.2293, allocations: 1.083 MB / 1.002 GB, free: 12.59 MB / 0.9636 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0009641/0.2302, allocations: 0.733 MB / 1.003 GB, free: 11.77 MB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.198e-06/0.2302, allocations: 4 kB / 1.003 GB, free: 11.76 MB / 0.9636 GB Notification: Performance of matching and sorting (n=165) (initialization_lambda0): time 0.001065/0.2313, allocations: 0.8813 MB / 1.004 GB, free: 10.88 MB / 0.9636 GB Notification: Performance of prepare postOptimizeDAE: time 1.184e-05/0.2313, allocations: 11.94 kB / 1.004 GB, free: 10.86 MB / 0.9636 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.005e-06/0.2313, allocations: 12 kB / 1.004 GB, free: 10.85 MB / 0.9636 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.474e-06/0.2313, allocations: 8 kB / 1.004 GB, free: 10.84 MB / 0.9636 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001048/0.2324, allocations: 415.5 kB / 1.004 GB, free: 10.44 MB / 0.9636 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.117e-06/0.2324, allocations: 15.98 kB / 1.004 GB, free: 10.42 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008553/0.2332, allocations: 231.2 kB / 1.004 GB, free: 10.2 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.245e-05/0.2333, allocations: 55.94 kB / 1.004 GB, free: 10.14 MB / 0.9636 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * 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 (134): * Single equations (assignments): 126 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002278/0.2336, allocations: 259.9 kB / 1.004 GB, free: 9.879 MB / 0.9636 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002319/0.2338, allocations: 199.8 kB / 1.005 GB, free: 9.684 MB / 0.9636 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001219/0.235, allocations: 0.911 MB / 1.006 GB, free: 8.766 MB / 0.9636 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.153e-06/0.235, allocations: 11.94 kB / 1.006 GB, free: 8.754 MB / 0.9636 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.773e-06/0.235, allocations: 4 kB / 1.006 GB, free: 8.75 MB / 0.9636 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.733e-06/0.235, allocations: 3.984 kB / 1.006 GB, free: 8.746 MB / 0.9636 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003015/0.238, allocations: 2.445 MB / 1.008 GB, free: 6.184 MB / 0.9636 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.611e-06/0.238, allocations: 4 kB / 1.008 GB, free: 6.18 MB / 0.9636 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000922/0.239, allocations: 332 kB / 1.008 GB, free: 5.855 MB / 0.9636 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.153e-06/0.239, allocations: 8 kB / 1.008 GB, free: 5.848 MB / 0.9636 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.185e-05/0.239, allocations: 35.95 kB / 1.008 GB, free: 5.812 MB / 0.9636 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0008418/0.2399, allocations: 2.34 MB / 1.011 GB, free: 3.379 MB / 0.9636 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.43e-06/0.2399, allocations: 11.94 kB / 1.011 GB, free: 3.367 MB / 0.9636 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00141/0.2413, allocations: 1.245 MB / 1.012 GB, free: 2.008 MB / 0.9636 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005679/0.2419, allocations: 444 kB / 1.012 GB, free: 1.574 MB / 0.9636 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002028/0.2421, allocations: 27.92 kB / 1.012 GB, free: 1.547 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008253/0.2429, allocations: 143.9 kB / 1.012 GB, free: 1.406 MB / 0.9636 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001099/0.243, allocations: 84.39 kB / 1.013 GB, free: 1.32 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.073e-05/0.2431, allocations: 51.94 kB / 1.013 GB, free: 1.27 MB / 0.9636 GB Notification: Performance of sorting global known variables: time 0.0009749/0.2441, allocations: 1.295 MB / 1.014 GB, free: 15.99 MB / 0.9792 GB Notification: Performance of sort global known variables: time 4.71e-07/0.2441, allocations: 4 kB / 1.014 GB, free: 15.98 MB / 0.9792 GB Notification: Performance of remove unused functions: time 0.001883/0.2459, allocations: 1.438 MB / 1.015 GB, free: 14.55 MB / 0.9792 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 24 * Number of states: 2 (senExhTem.T,senSupTem.T) * 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 (96): * Single equations (assignments): 92 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0004271/0.2464, allocations: 247.8 kB / 1.015 GB, free: 14.3 MB / 0.9792 GB Notification: Performance of simCode: created initialization part: time 0.001946/0.2483, allocations: 1.2 MB / 1.017 GB, free: 13.09 MB / 0.9792 GB Notification: Performance of simCode: created event and clocks part: time 3.292e-05/0.2484, allocations: 36.5 kB / 1.017 GB, free: 13.06 MB / 0.9792 GB Notification: Performance of simCode: created simulation system equations: time 0.0004652/0.2488, allocations: 352.8 kB / 1.017 GB, free: 12.72 MB / 0.9792 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003413/0.2522, allocations: 1.946 MB / 1.019 GB, free: 10.8 MB / 0.9792 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006503/0.2587, allocations: 5.489 MB / 1.024 GB, free: 5.172 MB / 0.9792 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00122/0.26, allocations: 1.581 MB / 1.026 GB, free: 3.559 MB / 0.9792 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002798/0.2628, allocations: 1.274 MB / 1.027 GB, free: 2.254 MB / 0.9792 GB Notification: Performance of SimCode: time 1.473e-06/0.2628, allocations: 4 kB / 1.027 GB, free: 2.25 MB / 0.9792 GB Notification: Performance of Templates: time 0.4908/0.7536, allocations: 91.85 MB / 1.117 GB, free: 123.5 MB / 1.01 GB " [Timeout remaining time 299] make -j1 -f Buildings_13_Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled.pipe ; mkfifo Buildings_13_Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled.pipe >> ../files/Buildings_13_Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled.sim & ./Buildings_13_Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled > Buildings_13_Buildings.Fluid.HeatExchangers.ThermalWheels.Sensible.Validation.SpeedControlled.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 8.923876042477787]