Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/package.mo): time 0.4964/0.4964, allocations: 111.6 MB / 131.7 MB, free: 5.059 MB / 122.7 MB " [Timeout remaining time 179] Using package ThermoSysPro with version 4.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/package.mo) Running command: translateModel(ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine") translateModel(ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.064e-06/2.064e-06, allocations: 0 / 176.5 MB, free: 9.426 MB / 170.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.828e-05/2.034e-05, allocations: 2.312 kB / 176.5 MB, free: 9.422 MB / 170.7 MB Notification: Automatically loaded package Complex 4.1.0 due to uses annotation from Modelica. Notification: Automatically loaded package ModelicaServices 4.1.0 due to uses annotation from Modelica. Notification: Automatically loaded package Modelica 4.1.0 due to usage. Notification: Performance of NFInst.instantiate(ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine): time 1.037/1.037, allocations: 257.5 MB / 434 MB, free: 15.89 MB / 394.7 MB Notification: Performance of NFInst.instExpressions: time 0.3385/1.376, allocations: 189.6 MB / 0.6089 GB, free: 5.957 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002968/1.376, allocations: 11.88 kB / 0.6089 GB, free: 5.945 MB / 0.5261 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/Machines/SteamEngine.mo:33:3-34:79:writable] Warning: Connector C1 is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/Machines/SteamEngine.mo:35:3-36:77:writable] Warning: Connector C2 is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/BoundaryConditions/SinkP.mo:32:3-33:80:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Fluid/BoundaryConditions/SourceP.mo:39:3-40:78:writable] Warning: Connector C is not balanced: The number of potential variables (9) is not equal to the number of flow variables (0). Notification: Performance of NFTyping.typeComponents: time 0.0004971/1.377, allocations: 189.9 kB / 0.6091 GB, free: 5.762 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.0003007/1.377, allocations: 205.5 kB / 0.6093 GB, free: 5.562 MB / 0.5261 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:470:9-470:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:525:9-525:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:708:9-708:27:writable] Warning: cv was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph.mo:51:3-51:60:writable] Warning: dh1satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph.mo:51:3-51:60:writable] Warning: dh2satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph_der.mo:118:3-118:151:writable] Warning: du1satp_der was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ph_der.mo:118:3-118:151:writable] Warning: du2satp_der was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteam/IF97_packages.mo:964:9-964:35:writable] Warning: h was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ps.mo:51:3-51:60:writable] Warning: dh1satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoSysPro master/Properties/WaterSteamSimple/prop4_Ps.mo:51:3-51:60:writable] Warning: dh2satp was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. Notification: Performance of NFTyping.typeClassSections: time 0.02639/1.403, allocations: 14.65 MB / 0.6236 GB, free: 7.023 MB / 0.5417 GB Notification: Performance of NFFlatten.flatten: time 0.0006091/1.404, allocations: 0.5407 MB / 0.6241 GB, free: 6.48 MB / 0.5417 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002429/1.404, allocations: 189.2 kB / 0.6243 GB, free: 6.293 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0002892/1.405, allocations: 347 kB / 0.6246 GB, free: 5.953 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001518/1.405, allocations: 155.5 kB / 0.6248 GB, free: 5.801 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 3.402e-05/1.405, allocations: 32 kB / 0.6248 GB, free: 5.77 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0311/1.436, allocations: 23.93 MB / 0.6482 GB, free: 13.8 MB / 0.573 GB Notification: Performance of NFScalarize.scalarize: time 0.0001503/1.436, allocations: 99.59 kB / 0.6483 GB, free: 13.71 MB / 0.573 GB Notification: Performance of NFVerifyModel.verify: time 0.0002125/1.436, allocations: 143.7 kB / 0.6484 GB, free: 13.57 MB / 0.573 GB Notification: Performance of NFConvertDAE.convert: time 0.02561/1.462, allocations: 15.45 MB / 0.6635 GB, free: 14.08 MB / 0.5886 GB Notification: Performance of FrontEnd - DAE generated: time 6.583e-06/1.462, allocations: 0 / 0.6635 GB, free: 14.08 MB / 0.5886 GB Notification: Performance of FrontEnd: time 1.674e-06/1.462, allocations: 0 / 0.6635 GB, free: 14.08 MB / 0.5886 GB Notification: Performance of Transformations before backend: time 7.864e-06/1.462, allocations: 0 / 0.6635 GB, free: 14.08 MB / 0.5886 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 115 * Number of variables: 115 Notification: Performance of Generate backend data structure: time 0.004797/1.467, allocations: 2.251 MB / 0.6657 GB, free: 11.78 MB / 0.5886 GB Notification: Performance of prepare preOptimizeDAE: time 4.135e-05/1.467, allocations: 11.98 kB / 0.6657 GB, free: 11.77 MB / 0.5886 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001003/1.467, allocations: 83.67 kB / 0.6658 GB, free: 11.68 MB / 0.5886 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003084/1.467, allocations: 282.6 kB / 0.6661 GB, free: 11.38 MB / 0.5886 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.081e-05/1.467, allocations: 29 kB / 0.6661 GB, free: 11.36 MB / 0.5886 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.778e-05/1.467, allocations: 32 kB / 0.6661 GB, free: 11.32 MB / 0.5886 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004395/1.468, allocations: 388.3 kB / 0.6665 GB, free: 10.9 MB / 0.5886 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.283e-05/1.468, allocations: 11.88 kB / 0.6665 GB, free: 10.89 MB / 0.5886 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.276e-05/1.468, allocations: 16 kB / 0.6665 GB, free: 10.87 MB / 0.5886 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.698e-05/1.468, allocations: 16 kB / 0.6665 GB, free: 10.86 MB / 0.5886 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000226/1.468, allocations: 156.5 kB / 0.6667 GB, free: 10.71 MB / 0.5886 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 0.03691/1.505, allocations: 22.47 MB / 0.6886 GB, free: 4.156 MB / 0.6042 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001559/1.505, allocations: 82.86 kB / 0.6887 GB, free: 4.062 MB / 0.6042 GB Notification: Performance of preOpt resolveLoops (simulation): time 6.125e-05/1.505, allocations: 47.67 kB / 0.6888 GB, free: 4.012 MB / 0.6042 GB Notification: Performance of preOpt evalFunc (simulation): time 0.1951/1.7, allocations: 38.26 MB / 0.7261 GB, free: 284 MB / 0.6198 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.002e-05/1.7, allocations: 33.39 kB / 0.7261 GB, free: 283.9 MB / 0.6198 GB Notification: Performance of pre-optimization done (n=34): time 2.384e-06/1.7, allocations: 1.094 kB / 0.7261 GB, free: 283.9 MB / 0.6198 GB Notification: Performance of matching and sorting (n=34): time 0.0005921/1.701, allocations: 292 kB / 0.7264 GB, free: 283.6 MB / 0.6198 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.05e-05/1.701, allocations: 59.41 kB / 0.7265 GB, free: 283.6 MB / 0.6198 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002098/1.701, allocations: 353.3 kB / 0.7268 GB, free: 283.2 MB / 0.6198 GB Notification: Performance of collectPreVariables (initialization): time 9.989e-06/1.701, allocations: 29.7 kB / 0.7268 GB, free: 283.2 MB / 0.6198 GB Notification: Performance of collectInitialEqns (initialization): time 9.127e-05/1.701, allocations: 291.2 kB / 0.7271 GB, free: 283 MB / 0.6198 GB Notification: Performance of collectInitialBindings (initialization): time 4.256e-05/1.701, allocations: 118.8 kB / 0.7272 GB, free: 282.9 MB / 0.6198 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.55e-05/1.701, allocations: 88.23 kB / 0.7273 GB, free: 282.8 MB / 0.6198 GB Notification: Performance of setup shared object (initialization): time 6.122e-05/1.701, allocations: 0.5118 MB / 0.7278 GB, free: 282.2 MB / 0.6198 GB Notification: Performance of preBalanceInitialSystem (initialization): time 6.947e-05/1.701, allocations: 44.47 kB / 0.7279 GB, free: 282.2 MB / 0.6198 GB Notification: Performance of partitionIndependentBlocks (initialization): time 9.822e-05/1.701, allocations: 204.2 kB / 0.7281 GB, free: 281.9 MB / 0.6198 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000182/1.702, allocations: 289.5 kB / 0.7283 GB, free: 281.6 MB / 0.6198 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.986e-06/1.702, allocations: 0 / 0.7283 GB, free: 281.6 MB / 0.6198 GB Notification: Performance of matching and sorting (n=52) (initialization): time 0.0003233/1.702, allocations: 316.2 kB / 0.7286 GB, free: 281.3 MB / 0.6198 GB Notification: Performance of prepare postOptimizeDAE: time 1.875e-05/1.702, allocations: 8 kB / 0.7286 GB, free: 281.3 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.798e-06/1.702, allocations: 4 kB / 0.7287 GB, free: 281.3 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002164/1.702, allocations: 108.8 kB / 0.7288 GB, free: 281.2 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 9.839e-05/1.702, allocations: 43.91 kB / 0.7288 GB, free: 281.1 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002886/1.703, allocations: 0.8446 MB / 0.7296 GB, free: 280.2 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001067/1.703, allocations: 41.97 kB / 0.7297 GB, free: 280.2 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.405e-05/1.703, allocations: 8 kB / 0.7297 GB, free: 280.2 MB / 0.6198 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * Number of states: 0 () * Number of discrete variables: 6 (sourceP.fluid1,sourceP.C.ftype,steamEngine1.fluid,puitsP.fluid,steamEngine1.C2.diff_on_1,sourceP.C.diff_on_2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (25): * Single equations (assignments): 22 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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 9.268e-05/1.703, allocations: 182.7 kB / 0.7298 GB, free: 280 MB / 0.6198 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.165e-05/1.703, allocations: 31.81 kB / 0.7299 GB, free: 280 MB / 0.6198 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003682/1.703, allocations: 415 kB / 0.7303 GB, free: 279.6 MB / 0.6198 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0002183/1.703, allocations: 298.1 kB / 0.7306 GB, free: 279.3 MB / 0.6198 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.459e-06/1.703, allocations: 3.984 kB / 0.7306 GB, free: 279.3 MB / 0.6198 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.812e-06/1.703, allocations: 0.6875 kB / 0.7306 GB, free: 279.3 MB / 0.6198 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0008224/1.704, allocations: 0.9893 MB / 0.7315 GB, free: 278.3 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.047e-06/1.704, allocations: 3.938 kB / 0.7315 GB, free: 278.2 MB / 0.6198 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 7.884e-05/1.704, allocations: 47.92 kB / 0.7316 GB, free: 278.2 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001012/1.704, allocations: 72.28 kB / 0.7316 GB, free: 278.1 MB / 0.6198 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.385e-05/1.704, allocations: 8.625 kB / 0.7317 GB, free: 278.1 MB / 0.6198 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0002114/1.705, allocations: 0.8465 MB / 0.7325 GB, free: 277.2 MB / 0.6198 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.713e-06/1.705, allocations: 0 / 0.7325 GB, free: 277.2 MB / 0.6198 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003278/1.705, allocations: 0.5133 MB / 0.733 GB, free: 276.7 MB / 0.6198 GB Notification: Performance of postOpt removeConstants (simulation): time 8.412e-05/1.705, allocations: 74.05 kB / 0.733 GB, free: 276.6 MB / 0.6198 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.297e-05/1.705, allocations: 8 kB / 0.7331 GB, free: 276.6 MB / 0.6198 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 6.629e-05/1.705, allocations: 4 kB / 0.7331 GB, free: 276.6 MB / 0.6198 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.387e-05/1.705, allocations: 27.89 kB / 0.7331 GB, free: 276.6 MB / 0.6198 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.957e-06/1.705, allocations: 8.031 kB / 0.7331 GB, free: 276.6 MB / 0.6198 GB Notification: Performance of sorting global known variables: time 0.0001079/1.705, allocations: 235 kB / 0.7333 GB, free: 276.4 MB / 0.6198 GB Notification: Performance of sort global known variables: time 8e-08/1.705, allocations: 0.9844 kB / 0.7333 GB, free: 276.4 MB / 0.6198 GB Notification: Performance of remove unused functions: time 0.004747/1.71, allocations: 2.065 MB / 0.7353 GB, free: 274.6 MB / 0.6198 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * 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 (34): * Single equations (assignments): 31 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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 Backend phase and start with SimCode phase: time 0.007642/1.718, allocations: 3.249 MB / 0.7385 GB, free: 271.8 MB / 0.6198 GB Notification: Performance of simCode: created initialization part: time 0.000672/1.718, allocations: 358.6 kB / 0.7389 GB, free: 271.4 MB / 0.6198 GB Notification: Performance of simCode: created event and clocks part: time 4.138e-06/1.718, allocations: 0 / 0.7389 GB, free: 271.4 MB / 0.6198 GB Notification: Performance of simCode: created simulation system equations: time 0.0001464/1.719, allocations: 149.8 kB / 0.739 GB, free: 271.3 MB / 0.6198 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000723/1.719, allocations: 212.1 kB / 0.7392 GB, free: 271.1 MB / 0.6198 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001576/1.721, allocations: 0.8544 MB / 0.74 GB, free: 270.2 MB / 0.6198 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 6.943e-05/1.721, allocations: 138.6 kB / 0.7402 GB, free: 270 MB / 0.6198 GB Notification: Performance of simCode: alias equations: time 0.0001671/1.721, allocations: 48.08 kB / 0.7402 GB, free: 270 MB / 0.6198 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 5.395e-05/1.721, allocations: 40.48 kB / 0.7402 GB, free: 270 MB / 0.6198 GB Notification: Performance of SimCode: time 1.332e-06/1.721, allocations: 0 / 0.7402 GB, free: 270 MB / 0.6198 GB Notification: Performance of Templates: time 0.05569/1.777, allocations: 70.71 MB / 0.8093 GB, free: 199.5 MB / 0.6198 GB " [Timeout remaining time 658] make -j1 -f ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.makefile [Timeout 660] (rm -f ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.pipe ; mkfifo ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.pipe ; head -c 1048576 < ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.pipe >> ../files/ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.sim & ./ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine -abortSlowSimulation -alarm=240 -lv LOG_STATS > ThermoSysPro_ThermoSysPro.Fluid.Examples.SimpleExamples.TestSteamEngine.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 6.427183973835781]