Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.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 0.0009742/0.0009742, allocations: 80.8 kB / 20.75 MB, free: 3.738 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 0.00109/0.00109, allocations: 161.4 kB / 24.17 MB, free: 328 kB / 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 0.9423/0.9423, allocations: 177.1 MB / 204.6 MB, free: 5.488 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 1.906/1.906, allocations: 389.6 MB / 0.6354 GB, free: 12.3 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.Examples.Performance.PressureDrop.SeriesFlowOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised") translateModel(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.253e-06/1.253e-06, allocations: 0.6562 kB / 0.7752 GB, free: 5.402 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.592e-05/2.717e-05, allocations: 2.312 kB / 0.7752 GB, free: 5.398 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised): time 0.1322/0.1322, allocations: 145.7 MB / 0.9175 GB, free: 3.316 MB / 0.8698 GB Notification: Performance of NFInst.instExpressions: time 0.002526/0.1348, allocations: 1.742 MB / 0.9192 GB, free: 1.574 MB / 0.8698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002717/0.135, allocations: 23.81 kB / 0.9192 GB, free: 1.551 MB / 0.8698 GB Notification: Performance of NFTyping.typeComponents: time 0.0004174/0.1354, allocations: 107.2 kB / 0.9193 GB, free: 1.445 MB / 0.8698 GB Notification: Performance of NFTyping.typeBindings: time 0.0006886/0.1361, allocations: 330.1 kB / 0.9196 GB, free: 1.121 MB / 0.8698 GB Notification: Performance of NFTyping.typeClassSections: time 0.0007945/0.1369, allocations: 410.7 kB / 0.92 GB, free: 0.7188 MB / 0.8698 GB Notification: Performance of NFFlatten.flatten: time 0.001971/0.1389, allocations: 2.509 MB / 0.9225 GB, free: 14.2 MB / 0.8855 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008203/0.1397, allocations: 0.6624 MB / 0.9231 GB, free: 13.52 MB / 0.8855 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001551/0.1413, allocations: 1.329 MB / 0.9244 GB, free: 12.19 MB / 0.8855 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007508/0.142, allocations: 0.627 MB / 0.925 GB, free: 11.56 MB / 0.8855 GB Notification: Performance of NFPackage.collectConstants: time 8.548e-05/0.1421, allocations: 56 kB / 0.9251 GB, free: 11.5 MB / 0.8855 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0006942/0.1428, allocations: 474.9 kB / 0.9255 GB, free: 11.04 MB / 0.8855 GB Notification: Performance of NFScalarize.scalarize: time 0.0002295/0.143, allocations: 330.8 kB / 0.9258 GB, free: 10.71 MB / 0.8855 GB Notification: Performance of NFVerifyModel.verify: time 0.0003458/0.1434, allocations: 378.9 kB / 0.9262 GB, free: 10.34 MB / 0.8855 GB Notification: Performance of NFConvertDAE.convert: time 0.0009638/0.1443, allocations: 1.086 MB / 0.9273 GB, free: 9.254 MB / 0.8855 GB Notification: Performance of FrontEnd - DAE generated: time 2.836e-06/0.1443, allocations: 0 / 0.9273 GB, free: 9.254 MB / 0.8855 GB Notification: Performance of FrontEnd: time 9.61e-07/0.1443, allocations: 0 / 0.9273 GB, free: 9.254 MB / 0.8855 GB Notification: Performance of Transformations before backend: time 1.122e-05/0.1444, allocations: 0 / 0.9273 GB, free: 9.254 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: 126 * Number of variables: 126 Notification: Performance of Generate backend data structure: time 0.001456/0.1458, allocations: 1.338 MB / 0.9286 GB, free: 7.879 MB / 0.8855 GB Notification: Performance of prepare preOptimizeDAE: time 3.351e-05/0.1458, allocations: 13.34 kB / 0.9286 GB, free: 7.867 MB / 0.8855 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003136/0.1462, allocations: 160.7 kB / 0.9287 GB, free: 7.711 MB / 0.8855 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007639/0.1469, allocations: 0.7248 MB / 0.9294 GB, free: 6.934 MB / 0.8855 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.924e-05/0.147, allocations: 41.38 kB / 0.9295 GB, free: 6.895 MB / 0.8855 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.875e-05/0.147, allocations: 67.94 kB / 0.9295 GB, free: 6.828 MB / 0.8855 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004654/0.1475, allocations: 0.5306 MB / 0.9301 GB, free: 6.219 MB / 0.8855 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.508e-05/0.1475, allocations: 7.938 kB / 0.9301 GB, free: 6.211 MB / 0.8855 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.974e-05/0.1475, allocations: 20 kB / 0.9301 GB, free: 6.191 MB / 0.8855 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.185e-05/0.1475, allocations: 16 kB / 0.9301 GB, free: 6.176 MB / 0.8855 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001947/0.1477, allocations: 191.1 kB / 0.9303 GB, free: 5.988 MB / 0.8855 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 0.001641/0.1494, allocations: 2.734 MB / 0.933 GB, free: 3.148 MB / 0.8855 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001962/0.1496, allocations: 190.2 kB / 0.9331 GB, free: 2.953 MB / 0.8855 GB Notification: Performance of preOpt resolveLoops (simulation): time 7.546e-05/0.1496, allocations: 78.48 kB / 0.9332 GB, free: 2.875 MB / 0.8855 GB Notification: Performance of preOpt evalFunc (simulation): time 9.535e-05/0.1497, allocations: 27.97 kB / 0.9332 GB, free: 2.848 MB / 0.8855 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001756/0.1499, allocations: 160.9 kB / 0.9334 GB, free: 2.672 MB / 0.8855 GB Notification: Performance of pre-optimization done (n=31): time 1.523e-06/0.1499, allocations: 7.938 kB / 0.9334 GB, free: 2.664 MB / 0.8855 GB Notification: Performance of matching and sorting (n=31): time 0.0003812/0.1503, allocations: 252 kB / 0.9336 GB, free: 2.414 MB / 0.8855 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.961e-05/0.1503, allocations: 85.09 kB / 0.9337 GB, free: 2.312 MB / 0.8855 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004641/0.1508, allocations: 0.7444 MB / 0.9344 GB, free: 1.551 MB / 0.8855 GB Notification: Performance of collectPreVariables (initialization): time 3.471e-05/0.1508, allocations: 37.7 kB / 0.9345 GB, free: 1.508 MB / 0.8855 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001758/0.151, allocations: 370.5 kB / 0.9348 GB, free: 1.137 MB / 0.8855 GB Notification: Performance of collectInitialBindings (initialization): time 5.48e-05/0.1511, allocations: 107 kB / 0.9349 GB, free: 1.031 MB / 0.8855 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001037/0.1512, allocations: 106.1 kB / 0.935 GB, free: 0.9219 MB / 0.8855 GB Notification: Performance of setup shared object (initialization): time 7.63e-05/0.1512, allocations: 325.9 kB / 0.9353 GB, free: 0.5977 MB / 0.8855 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003372/0.1516, allocations: 95.31 kB / 0.9354 GB, free: 0.4922 MB / 0.8855 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003612/0.1519, allocations: 0.9409 MB / 0.9364 GB, free: 15.27 MB / 0.9011 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002514/0.1522, allocations: 324.6 kB / 0.9367 GB, free: 14.88 MB / 0.9011 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.787e-06/0.1522, allocations: 0 / 0.9367 GB, free: 14.88 MB / 0.9011 GB Notification: Performance of matching and sorting (n=54) (initialization): time 0.0003399/0.1525, allocations: 386.8 kB / 0.937 GB, free: 14.48 MB / 0.9011 GB Notification: Performance of prepare postOptimizeDAE: time 2.725e-05/0.1526, allocations: 37.7 kB / 0.9371 GB, free: 14.43 MB / 0.9011 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.646e-06/0.1526, allocations: 8.031 kB / 0.9371 GB, free: 14.43 MB / 0.9011 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.705e-05/0.1526, allocations: 11.94 kB / 0.9371 GB, free: 14.41 MB / 0.9011 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002118/0.1528, allocations: 99.88 kB / 0.9372 GB, free: 14.32 MB / 0.9011 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.665e-06/0.1528, allocations: 11.94 kB / 0.9372 GB, free: 14.3 MB / 0.9011 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002368/0.153, allocations: 55.7 kB / 0.9372 GB, free: 14.25 MB / 0.9011 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.83e-05/0.1531, allocations: 20 kB / 0.9373 GB, free: 14.23 MB / 0.9011 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001618/0.1532, allocations: 180.5 kB / 0.9374 GB, free: 14.04 MB / 0.9011 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003339/0.1536, allocations: 0.9369 MB / 0.9384 GB, free: 12.82 MB / 0.9011 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002073/0.1538, allocations: 319.9 kB / 0.9387 GB, free: 12.43 MB / 0.9011 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.665e-06/0.1538, allocations: 3.984 kB / 0.9387 GB, free: 12.43 MB / 0.9011 GB Notification: Performance of matching and sorting (n=54) (initialization_lambda0): time 0.000309/0.1541, allocations: 370 kB / 0.939 GB, free: 12.04 MB / 0.9011 GB Notification: Performance of prepare postOptimizeDAE: time 1.97e-05/0.1541, allocations: 33.7 kB / 0.939 GB, free: 12 MB / 0.9011 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.138e-06/0.1541, allocations: 4.656 kB / 0.9391 GB, free: 12 MB / 0.9011 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.344e-06/0.1541, allocations: 8 kB / 0.9391 GB, free: 11.99 MB / 0.9011 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001749/0.1543, allocations: 107.8 kB / 0.9392 GB, free: 11.89 MB / 0.9011 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.245e-06/0.1543, allocations: 15.92 kB / 0.9392 GB, free: 11.87 MB / 0.9011 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002202/0.1545, allocations: 60.09 kB / 0.9392 GB, free: 11.81 MB / 0.9011 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.923e-05/0.1545, allocations: 16 kB / 0.9393 GB, free: 11.8 MB / 0.9011 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 5 (pulse_p.count,$PRE.pulse_p.count,pulse_p.T_start,$PRE.pulse_p.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (53): * Single equations (assignments): 52 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0001031/0.1546, allocations: 212.1 kB / 0.9395 GB, free: 11.58 MB / 0.9011 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.114e-05/0.1547, allocations: 71.86 kB / 0.9395 GB, free: 11.51 MB / 0.9011 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002481/0.155, allocations: 235.2 kB / 0.9397 GB, free: 11.28 MB / 0.9011 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.988e-06/0.155, allocations: 15.88 kB / 0.9398 GB, free: 11.26 MB / 0.9011 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.144e-06/0.155, allocations: 0 / 0.9398 GB, free: 11.26 MB / 0.9011 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.549e-06/0.155, allocations: 3.984 kB / 0.9398 GB, free: 11.26 MB / 0.9011 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000701/0.1557, allocations: 0.8248 MB / 0.9406 GB, free: 10.38 MB / 0.9011 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.556e-06/0.1557, allocations: 4 kB / 0.9406 GB, free: 10.38 MB / 0.9011 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001099/0.1558, allocations: 51.91 kB / 0.9406 GB, free: 10.32 MB / 0.9011 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.938e-06/0.1558, allocations: 8.219 kB / 0.9406 GB, free: 10.32 MB / 0.9011 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.322e-05/0.1558, allocations: 11.98 kB / 0.9406 GB, free: 10.3 MB / 0.9011 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.998e-06/0.1558, allocations: 7.938 kB / 0.9407 GB, free: 10.3 MB / 0.9011 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.522e-06/0.1558, allocations: 0 / 0.9407 GB, free: 10.3 MB / 0.9011 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002463/0.1561, allocations: 402 kB / 0.941 GB, free: 9.859 MB / 0.9011 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001204/0.1562, allocations: 115.2 kB / 0.9411 GB, free: 9.746 MB / 0.9011 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.601e-05/0.1562, allocations: 8 kB / 0.9412 GB, free: 9.738 MB / 0.9011 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001523/0.1564, allocations: 11.98 kB / 0.9412 GB, free: 9.727 MB / 0.9011 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.088e-05/0.1564, allocations: 31.95 kB / 0.9412 GB, free: 9.695 MB / 0.9011 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.215e-05/0.1564, allocations: 11.98 kB / 0.9412 GB, free: 9.684 MB / 0.9011 GB Notification: Performance of sorting global known variables: time 0.000266/0.1567, allocations: 376.8 kB / 0.9416 GB, free: 9.305 MB / 0.9011 GB Notification: Performance of sort global known variables: time 6e-08/0.1567, allocations: 0 / 0.9416 GB, free: 9.305 MB / 0.9011 GB Notification: Performance of remove unused functions: time 0.0007255/0.1574, allocations: 427.3 kB / 0.942 GB, free: 8.887 MB / 0.9011 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,pulse_p.T_start,pulse_p.count) * Number of discrete states: 1 (pulse_p.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (31): * Single equations (assignments): 29 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 0.0001975/0.1576, allocations: 132.3 kB / 0.9421 GB, free: 8.75 MB / 0.9011 GB Notification: Performance of simCode: created initialization part: time 0.0003972/0.158, allocations: 487.3 kB / 0.9426 GB, free: 8.23 MB / 0.9011 GB Notification: Performance of simCode: created event and clocks part: time 1.331e-05/0.158, allocations: 16 kB / 0.9426 GB, free: 8.215 MB / 0.9011 GB Notification: Performance of simCode: created simulation system equations: time 8.658e-05/0.1581, allocations: 82.3 kB / 0.9427 GB, free: 8.133 MB / 0.9011 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008211/0.159, allocations: 396.7 kB / 0.943 GB, free: 7.742 MB / 0.9011 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001542/0.1605, allocations: 1.489 MB / 0.9445 GB, free: 6.188 MB / 0.9011 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001543/0.1606, allocations: 255.1 kB / 0.9447 GB, free: 5.914 MB / 0.9011 GB Notification: Performance of simCode: alias equations: time 0.0003122/0.161, allocations: 151.7 kB / 0.9449 GB, free: 5.762 MB / 0.9011 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000481/0.1614, allocations: 325.1 kB / 0.9452 GB, free: 5.441 MB / 0.9011 GB Notification: Performance of SimCode: time 6.82e-07/0.1614, allocations: 3.938 kB / 0.9452 GB, free: 5.438 MB / 0.9011 GB Notification: Performance of Templates: time 0.01979/0.1812, allocations: 16.99 MB / 0.9618 GB, free: 4.84 MB / 0.9167 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; mkfifo Buildings_13_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe >> ../files/Buildings_13_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.sim & ./Buildings_13_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesFlowOptimised.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.372839412186295]