Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient.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 0.001101/0.001101, allocations: 81.86 kB / 20.68 MB, free: 3.812 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 0.0009952/0.0009952, allocations: 177 kB / 24.09 MB, free: 416 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 0.9396/0.9396, allocations: 177.1 MB / 204.5 MB, free: 5.523 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo): time 0.5922/0.5922, allocations: 110.3 MB / 371.3 MB, free: 12.38 MB / 346.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:44:3-56:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:58:3-65:19:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:67:3-72:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:74:3-79:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 179] Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/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(BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient") translateModel(BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.363e-06/1.363e-06, allocations: 1.203 kB / 475.6 MB, free: 15.06 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 9.377e-06/1.074e-05, allocations: 3.641 kB / 475.6 MB, free: 15.05 MB / 410.7 MB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient): time 0.004376/0.004386, allocations: 4.177 MB / 479.8 MB, free: 12.32 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.1358/0.1402, allocations: 143.9 MB / 0.6091 GB, free: 10.52 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008552/0.1411, allocations: 23.81 kB / 0.6091 GB, free: 10.49 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.0005199/0.1416, allocations: 178.3 kB / 0.6093 GB, free: 10.32 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.001353/0.1429, allocations: 0.5164 MB / 0.6098 GB, free: 9.797 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.001783/0.1447, allocations: 0.9348 MB / 0.6107 GB, free: 8.859 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.00132/0.146, allocations: 1.418 MB / 0.6121 GB, free: 7.438 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000752/0.1468, allocations: 0.5367 MB / 0.6126 GB, free: 6.867 MB / 0.5261 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0009723/0.1478, allocations: 0.8146 MB / 0.6134 GB, free: 6.051 MB / 0.5261 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005111/0.1483, allocations: 434.7 kB / 0.6138 GB, free: 5.625 MB / 0.5261 GB Notification: Performance of NFPackage.collectConstants: time 0.0001585/0.1484, allocations: 132 kB / 0.614 GB, free: 5.496 MB / 0.5261 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001065/0.1495, allocations: 0.5227 MB / 0.6145 GB, free: 4.973 MB / 0.5261 GB Notification: Performance of NFScalarize.scalarize: time 0.0002284/0.1497, allocations: 334.9 kB / 0.6148 GB, free: 4.645 MB / 0.5261 GB Notification: Performance of NFVerifyModel.verify: time 0.0003282/0.1501, allocations: 402.9 kB / 0.6152 GB, free: 4.25 MB / 0.5261 GB Notification: Performance of NFConvertDAE.convert: time 0.001534/0.1516, allocations: 1.347 MB / 0.6165 GB, free: 2.898 MB / 0.5261 GB Notification: Performance of FrontEnd - DAE generated: time 3.456e-06/0.1516, allocations: 0 / 0.6165 GB, free: 2.898 MB / 0.5261 GB Notification: Performance of FrontEnd: time 1.072e-06/0.1516, allocations: 0 / 0.6165 GB, free: 2.898 MB / 0.5261 GB Notification: Performance of Transformations before backend: time 1.642e-05/0.1516, allocations: 0 / 0.6165 GB, free: 2.898 MB / 0.5261 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 266 * Number of variables: 266 Notification: Performance of Generate backend data structure: time 0.002146/0.1538, allocations: 1.656 MB / 0.6181 GB, free: 1.195 MB / 0.5261 GB Notification: Performance of prepare preOptimizeDAE: time 3.978e-05/0.1538, allocations: 8.031 kB / 0.6181 GB, free: 1.188 MB / 0.5261 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003007/0.1568, allocations: 0.7916 MB / 0.6189 GB, free: 404 kB / 0.5261 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009196/0.1577, allocations: 0.7257 MB / 0.6196 GB, free: 15.64 MB / 0.5417 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.835e-05/0.1578, allocations: 82.22 kB / 0.6197 GB, free: 15.56 MB / 0.5417 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001342/0.1579, allocations: 108 kB / 0.6198 GB, free: 15.45 MB / 0.5417 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001522/0.1594, allocations: 1.187 MB / 0.6209 GB, free: 14.14 MB / 0.5417 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.894e-05/0.1595, allocations: 0 / 0.6209 GB, free: 14.14 MB / 0.5417 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.531e-05/0.1595, allocations: 52 kB / 0.621 GB, free: 14.09 MB / 0.5417 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.167e-05/0.1596, allocations: 24 kB / 0.621 GB, free: 14.07 MB / 0.5417 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001505/0.1611, allocations: 0.9033 MB / 0.6219 GB, free: 13.15 MB / 0.5417 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003349/0.1644, allocations: 2.461 MB / 0.6243 GB, free: 10.64 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001166/0.1656, allocations: 0.6333 MB / 0.6249 GB, free: 10 MB / 0.5417 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000349/0.1659, allocations: 246.5 kB / 0.6251 GB, free: 9.762 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002911/0.1662, allocations: 121 kB / 0.6253 GB, free: 9.645 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006301/0.1669, allocations: 0.565 MB / 0.6258 GB, free: 9.035 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=100): time 2.455e-06/0.1669, allocations: 0 / 0.6258 GB, free: 9.035 MB / 0.5417 GB Notification: Performance of matching and sorting (n=100): time 0.001902/0.1688, allocations: 0.9602 MB / 0.6267 GB, free: 8.066 MB / 0.5417 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.013e-05/0.1688, allocations: 200.9 kB / 0.6269 GB, free: 7.828 MB / 0.5417 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004333/0.1693, allocations: 0.5256 MB / 0.6275 GB, free: 7.285 MB / 0.5417 GB Notification: Performance of collectPreVariables (initialization): time 6.164e-05/0.1693, allocations: 41.7 kB / 0.6275 GB, free: 7.238 MB / 0.5417 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002721/0.1696, allocations: 487.8 kB / 0.628 GB, free: 6.754 MB / 0.5417 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004995/0.1701, allocations: 349 kB / 0.6283 GB, free: 6.41 MB / 0.5417 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002577/0.1704, allocations: 200.1 kB / 0.6285 GB, free: 6.207 MB / 0.5417 GB Notification: Performance of setup shared object (initialization): time 0.0001854/0.1705, allocations: 0.5663 MB / 0.629 GB, free: 5.629 MB / 0.5417 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002917/0.1708, allocations: 161.9 kB / 0.6292 GB, free: 5.469 MB / 0.5417 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004228/0.1713, allocations: 429.4 kB / 0.6296 GB, free: 4.996 MB / 0.5417 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006906/0.1719, allocations: 466.2 kB / 0.63 GB, free: 4.523 MB / 0.5417 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.799e-06/0.172, allocations: 4 kB / 0.63 GB, free: 4.52 MB / 0.5417 GB Notification: Performance of matching and sorting (n=114) (initialization): time 0.001285/0.1732, allocations: 0.731 MB / 0.6308 GB, free: 3.773 MB / 0.5417 GB Notification: Performance of prepare postOptimizeDAE: time 1.769e-05/0.1733, allocations: 11.98 kB / 0.6308 GB, free: 3.762 MB / 0.5417 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.805e-06/0.1733, allocations: 7.875 kB / 0.6308 GB, free: 3.754 MB / 0.5417 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004908/0.1738, allocations: 131.5 kB / 0.6309 GB, free: 3.621 MB / 0.5417 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006901/0.1744, allocations: 219.7 kB / 0.6311 GB, free: 3.406 MB / 0.5417 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001324/0.1758, allocations: 1.875 MB / 0.6329 GB, free: 1.414 MB / 0.5417 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004817/0.1762, allocations: 107.5 kB / 0.633 GB, free: 1.309 MB / 0.5417 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.225e-05/0.1763, allocations: 39.95 kB / 0.6331 GB, free: 1.27 MB / 0.5417 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 8 (weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.canRepeatWeatherFile,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (112): * Single equations (assignments): 111 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0002413/0.1766, allocations: 212.3 kB / 0.6333 GB, free: 1.051 MB / 0.5417 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001864/0.1767, allocations: 119.5 kB / 0.6334 GB, free: 0.9336 MB / 0.5417 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001656/0.1784, allocations: 0.9941 MB / 0.6344 GB, free: 15.92 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.027e-06/0.1784, allocations: 12 kB / 0.6344 GB, free: 15.91 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.505e-06/0.1784, allocations: 0 / 0.6344 GB, free: 15.91 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.299e-05/0.1784, allocations: 11.91 kB / 0.6344 GB, free: 15.9 MB / 0.5573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002774/0.1812, allocations: 1.715 MB / 0.6361 GB, free: 14.15 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.857e-06/0.1812, allocations: 0 / 0.6361 GB, free: 14.15 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006712/0.1819, allocations: 223.7 kB / 0.6363 GB, free: 13.93 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003909/0.1823, allocations: 115.5 kB / 0.6364 GB, free: 13.81 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.473e-05/0.1823, allocations: 35.97 kB / 0.6364 GB, free: 13.78 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001193/0.1835, allocations: 1.895 MB / 0.6383 GB, free: 11.76 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.222e-06/0.1835, allocations: 4.031 kB / 0.6383 GB, free: 11.76 MB / 0.5573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001328/0.1849, allocations: 0.9547 MB / 0.6392 GB, free: 10.78 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003222/0.1852, allocations: 223 kB / 0.6394 GB, free: 10.56 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.16e-05/0.1853, allocations: 16 kB / 0.6394 GB, free: 10.54 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000468/0.1857, allocations: 71.89 kB / 0.6395 GB, free: 10.47 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001173/0.1859, allocations: 76.84 kB / 0.6396 GB, free: 10.4 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.873e-05/0.1859, allocations: 35.97 kB / 0.6396 GB, free: 10.36 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.0002553/0.1862, allocations: 346.6 kB / 0.6399 GB, free: 10.03 MB / 0.5573 GB Notification: Performance of sort global known variables: time 1.8e-07/0.1862, allocations: 0 / 0.6399 GB, free: 10.03 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.001081/0.1873, allocations: 374.9 kB / 0.6403 GB, free: 9.66 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of discrete states: 2 (weaDat.conTim.tNext,weaDat.conTimMin.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (113): * Single equations (assignments): 110 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001271/0.1885, allocations: 0.6402 MB / 0.6409 GB, free: 9.234 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.001087/0.1896, allocations: 0.7762 MB / 0.6417 GB, free: 8.438 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 2.104e-06/0.1896, allocations: 0 / 0.6417 GB, free: 8.438 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.0006135/0.1902, allocations: 0.5477 MB / 0.6422 GB, free: 7.867 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001141/0.1914, allocations: 351.5 kB / 0.6426 GB, free: 7.555 MB / 0.5573 GB Error: Error parsing unit degreeC: Unit not found Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002657/0.194, allocations: 1.685 MB / 0.6442 GB, free: 5.832 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001603/0.1942, allocations: 211.5 kB / 0.6444 GB, free: 5.598 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.0007656/0.195, allocations: 239 kB / 0.6446 GB, free: 5.359 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008125/0.1958, allocations: 377.9 kB / 0.645 GB, free: 4.988 MB / 0.5573 GB Notification: Performance of SimCode: time 7.82e-07/0.1958, allocations: 0 / 0.645 GB, free: 4.988 MB / 0.5573 GB Notification: Performance of Templates: time 0.2361/0.4319, allocations: 19.45 MB / 0.664 GB, free: 46.37 MB / 0.5573 GB " [Timeout remaining time 660] make -j1 -f BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient.makefile [Timeout 660] (rm -f BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient.sim & ./BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient -abortSlowSimulation -alarm=240 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.BrighteningCoefficient.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.2383488938212395]