Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.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 0.001392/0.001392, allocations: 87.58 kB / 20.45 MB, free: 4.113 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 0.001549/0.001549, allocations: 165 kB / 23.82 MB, free: 0.7461 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 0.9876/0.9876, allocations: 177.1 MB / 204.2 MB, free: 5.258 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 1.914/1.914, allocations: 359 MB / 0.6052 GB, free: 11.05 MB / 0.573 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.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.HeaterFan_noReverseFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|hea.com.vol.T|sou.T_in",fileNamePrefix="Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow") translateModel(Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|hea.com.vol.T|sou.T_in",fileNamePrefix="Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.613e-06/1.613e-06, allocations: 0 / 0.7871 GB, free: 12.52 MB / 0.7448 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.66e-05/2.821e-05, allocations: 2.312 kB / 0.7871 GB, free: 12.52 MB / 0.7448 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow): time 0.1441/0.1441, allocations: 159.9 MB / 0.9432 GB, free: 12.14 MB / 0.9011 GB Notification: Performance of NFInst.instExpressions: time 0.0137/0.1578, allocations: 9.508 MB / 0.9525 GB, free: 2.617 MB / 0.9011 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001829/0.1597, allocations: 103.2 kB / 0.9526 GB, free: 2.516 MB / 0.9011 GB Notification: Performance of NFTyping.typeComponents: time 0.003391/0.1631, allocations: 1.633 MB / 0.9542 GB, free: 0.875 MB / 0.9011 GB Notification: Performance of NFTyping.typeBindings: time 0.003268/0.1663, allocations: 2.145 MB / 0.9563 GB, free: 14.72 MB / 0.9167 GB Notification: Performance of NFTyping.typeClassSections: time 0.003231/0.1696, allocations: 2.011 MB / 0.9582 GB, free: 12.71 MB / 0.9167 GB Notification: Performance of NFFlatten.flatten: time 0.007772/0.1773, allocations: 8.272 MB / 0.9663 GB, free: 4.422 MB / 0.9167 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001675/0.179, allocations: 1.428 MB / 0.9677 GB, free: 2.941 MB / 0.9167 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002147/0.1812, allocations: 2.085 MB / 0.9697 GB, free: 0.8516 MB / 0.9167 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001658/0.1828, allocations: 1.227 MB / 0.9709 GB, free: 15.64 MB / 0.9323 GB Notification: Performance of NFPackage.collectConstants: time 0.0001885/0.183, allocations: 203.8 kB / 0.9711 GB, free: 15.44 MB / 0.9323 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001252/0.1843, allocations: 0.9512 MB / 0.9721 GB, free: 14.49 MB / 0.9323 GB Notification: Performance of NFScalarize.scalarize: time 0.00048/0.1847, allocations: 0.81 MB / 0.9729 GB, free: 13.68 MB / 0.9323 GB Notification: Performance of NFVerifyModel.verify: time 0.0005998/0.1853, allocations: 0.7911 MB / 0.9736 GB, free: 12.88 MB / 0.9323 GB Notification: Performance of NFConvertDAE.convert: time 0.002039/0.1874, allocations: 2.211 MB / 0.9758 GB, free: 10.66 MB / 0.9323 GB Notification: Performance of FrontEnd - DAE generated: time 5.341e-06/0.1874, allocations: 3.984 kB / 0.9758 GB, free: 10.66 MB / 0.9323 GB Notification: Performance of FrontEnd: time 1.222e-06/0.1874, allocations: 3.938 kB / 0.9758 GB, free: 10.66 MB / 0.9323 GB Notification: Performance of Transformations before backend: time 1.476e-05/0.1874, allocations: 0 / 0.9758 GB, free: 10.66 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: 277 * Number of variables: 277 Notification: Performance of Generate backend data structure: time 0.002422/0.1898, allocations: 2.71 MB / 0.9784 GB, free: 7.883 MB / 0.9323 GB Notification: Performance of prepare preOptimizeDAE: time 3.773e-05/0.1899, allocations: 8.031 kB / 0.9784 GB, free: 7.875 MB / 0.9323 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001999/0.1918, allocations: 0.7903 MB / 0.9792 GB, free: 7.082 MB / 0.9323 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005561/0.1974, allocations: 5.456 MB / 0.9845 GB, free: 1.559 MB / 0.9323 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.52e-05/0.1975, allocations: 82.19 kB / 0.9846 GB, free: 1.477 MB / 0.9323 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001123/0.1976, allocations: 119.9 kB / 0.9847 GB, free: 1.359 MB / 0.9323 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001467/0.199, allocations: 1.266 MB / 0.986 GB, free: 15.88 MB / 0.948 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.422e-05/0.1991, allocations: 7.922 kB / 0.986 GB, free: 15.87 MB / 0.948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.239e-05/0.1991, allocations: 52 kB / 0.986 GB, free: 15.82 MB / 0.948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.68e-05/0.1992, allocations: 38 kB / 0.9861 GB, free: 15.78 MB / 0.948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007314/0.1999, allocations: 463.2 kB / 0.9865 GB, free: 15.33 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 preOpt removeSimpleEquations (simulation): time 0.00499/0.2049, allocations: 7.86 MB / 0.9942 GB, free: 7.195 MB / 0.948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003159/0.2052, allocations: 161.4 kB / 0.9943 GB, free: 7.027 MB / 0.948 GB Notification: Performance of preOpt resolveLoops (simulation): time 9.153e-05/0.2053, allocations: 55.66 kB / 0.9944 GB, free: 6.969 MB / 0.948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001007/0.2054, allocations: 23.98 kB / 0.9944 GB, free: 6.945 MB / 0.948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.275e-05/0.2054, allocations: 41.39 kB / 0.9945 GB, free: 6.895 MB / 0.948 GB Notification: Performance of pre-optimization done (n=18): time 2.124e-06/0.2054, allocations: 0 / 0.9945 GB, free: 6.895 MB / 0.948 GB Notification: Performance of matching and sorting (n=18): time 0.0005665/0.206, allocations: 376.2 kB / 0.9948 GB, free: 6.52 MB / 0.948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.512e-05/0.206, allocations: 51.41 kB / 0.9949 GB, free: 6.457 MB / 0.948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00149/0.2075, allocations: 1.683 MB / 0.9965 GB, free: 4.73 MB / 0.948 GB Notification: Performance of collectPreVariables (initialization): time 2.842e-05/0.2075, allocations: 33.7 kB / 0.9965 GB, free: 4.691 MB / 0.948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006548/0.2082, allocations: 1.156 MB / 0.9977 GB, free: 3.523 MB / 0.948 GB Notification: Performance of collectInitialBindings (initialization): time 4.426e-05/0.2082, allocations: 75.45 kB / 0.9977 GB, free: 3.449 MB / 0.948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001617/0.2084, allocations: 172.2 kB / 0.9979 GB, free: 3.27 MB / 0.948 GB Notification: Performance of setup shared object (initialization): time 0.0001249/0.2085, allocations: 0.5081 MB / 0.9984 GB, free: 2.754 MB / 0.948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001624/0.2087, allocations: 91.62 kB / 0.9985 GB, free: 2.66 MB / 0.948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006281/0.2093, allocations: 0.7952 MB / 0.9993 GB, free: 1.562 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005642/0.2099, allocations: 0.8037 MB / 1 GB, free: 0.4961 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.871e-06/0.2099, allocations: 4 kB / 1 GB, free: 0.4922 MB / 0.948 GB Notification: Performance of matching and sorting (n=89) (initialization): time 0.0007905/0.2107, allocations: 0.743 MB / 1.001 GB, free: 15.74 MB / 0.9636 GB Notification: Performance of prepare postOptimizeDAE: time 1.934e-05/0.2107, allocations: 12 kB / 1.001 GB, free: 15.73 MB / 0.9636 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.104e-05/0.2107, allocations: 12 kB / 1.001 GB, free: 15.71 MB / 0.9636 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.537e-05/0.2107, allocations: 24.06 kB / 1.001 GB, free: 15.69 MB / 0.9636 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003624/0.2111, allocations: 175.7 kB / 1.001 GB, free: 15.52 MB / 0.9636 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.952e-05/0.2111, allocations: 35.86 kB / 1.001 GB, free: 15.48 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004448/0.2116, allocations: 123.3 kB / 1.001 GB, free: 15.36 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.186e-05/0.2116, allocations: 51.73 kB / 1.001 GB, free: 15.32 MB / 0.9636 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003101/0.2119, allocations: 220.8 kB / 1.001 GB, free: 15.1 MB / 0.9636 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004078/0.2123, allocations: 0.7874 MB / 1.002 GB, free: 14 MB / 0.9636 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005336/0.2129, allocations: 0.7856 MB / 1.003 GB, free: 12.96 MB / 0.9636 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.278e-06/0.2129, allocations: 4 kB / 1.003 GB, free: 12.95 MB / 0.9636 GB Notification: Performance of matching and sorting (n=89) (initialization_lambda0): time 0.0007426/0.2136, allocations: 0.7346 MB / 1.004 GB, free: 12.21 MB / 0.9636 GB Notification: Performance of prepare postOptimizeDAE: time 1.017e-05/0.2136, allocations: 15.94 kB / 1.004 GB, free: 12.2 MB / 0.9636 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.544e-06/0.2136, allocations: 12 kB / 1.004 GB, free: 12.18 MB / 0.9636 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.492e-05/0.2136, allocations: 20 kB / 1.004 GB, free: 12.16 MB / 0.9636 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003218/0.214, allocations: 184.3 kB / 1.004 GB, free: 11.98 MB / 0.9636 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.385e-05/0.214, allocations: 31.86 kB / 1.004 GB, free: 11.95 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000393/0.2144, allocations: 91.59 kB / 1.004 GB, free: 11.86 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.723e-05/0.2144, allocations: 36 kB / 1.004 GB, free: 11.83 MB / 0.9636 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 63 * 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 (88): * Single equations (assignments): 87 * Array equations: 1 * Algorithm blocks: 0 * 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 0.0001339/0.2145, allocations: 335.6 kB / 1.004 GB, free: 11.49 MB / 0.9636 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001341/0.2147, allocations: 186.8 kB / 1.005 GB, free: 11.31 MB / 0.9636 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001541/0.2148, allocations: 149.2 kB / 1.005 GB, free: 11.16 MB / 0.9636 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.485e-06/0.2148, allocations: 0 / 1.005 GB, free: 11.16 MB / 0.9636 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.729e-06/0.2148, allocations: 4 kB / 1.005 GB, free: 11.16 MB / 0.9636 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.058e-06/0.2148, allocations: 3.984 kB / 1.005 GB, free: 11.15 MB / 0.9636 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001683/0.2165, allocations: 1.604 MB / 1.006 GB, free: 9.422 MB / 0.9636 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.875e-06/0.2165, allocations: 4 kB / 1.006 GB, free: 9.418 MB / 0.9636 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001194/0.2166, allocations: 44.47 kB / 1.006 GB, free: 9.375 MB / 0.9636 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.069e-06/0.2167, allocations: 4 kB / 1.006 GB, free: 9.371 MB / 0.9636 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.753e-05/0.2167, allocations: 16 kB / 1.006 GB, free: 9.355 MB / 0.9636 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.531e-06/0.2167, allocations: 15.91 kB / 1.006 GB, free: 9.34 MB / 0.9636 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.086e-06/0.2167, allocations: 4 kB / 1.006 GB, free: 9.336 MB / 0.9636 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003832/0.2171, allocations: 0.5049 MB / 1.007 GB, free: 8.734 MB / 0.9636 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002223/0.2173, allocations: 218.7 kB / 1.007 GB, free: 8.52 MB / 0.9636 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.032e-05/0.2174, allocations: 4 kB / 1.007 GB, free: 8.516 MB / 0.9636 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002979/0.2177, allocations: 35.94 kB / 1.007 GB, free: 8.48 MB / 0.9636 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.137e-05/0.2177, allocations: 27.84 kB / 1.007 GB, free: 8.453 MB / 0.9636 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.512e-05/0.2177, allocations: 12 kB / 1.007 GB, free: 8.441 MB / 0.9636 GB Notification: Performance of sorting global known variables: time 0.0008504/0.2186, allocations: 0.918 MB / 1.008 GB, free: 7.504 MB / 0.9636 GB Notification: Performance of sort global known variables: time 8e-08/0.2186, allocations: 0 / 1.008 GB, free: 7.504 MB / 0.9636 GB Notification: Performance of remove unused functions: time 0.00106/0.2196, allocations: 0.7366 MB / 1.009 GB, free: 6.766 MB / 0.9636 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 18 * 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 (18): * Single equations (assignments): 18 * Array equations: 0 * Algorithm blocks: 0 * 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 Backend phase and start with SimCode phase: time 0.0002645/0.2199, allocations: 175 kB / 1.009 GB, free: 6.586 MB / 0.9636 GB Notification: Performance of simCode: created initialization part: time 0.0006977/0.2206, allocations: 0.5646 MB / 1.009 GB, free: 6.023 MB / 0.9636 GB Notification: Performance of simCode: created event and clocks part: time 3.526e-06/0.2206, allocations: 4 kB / 1.009 GB, free: 6.02 MB / 0.9636 GB Notification: Performance of simCode: created simulation system equations: time 8.798e-05/0.2207, allocations: 64.53 kB / 1.01 GB, free: 5.953 MB / 0.9636 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001748/0.2224, allocations: 0.9526 MB / 1.01 GB, free: 5.023 MB / 0.9636 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002865/0.2253, allocations: 2.667 MB / 1.013 GB, free: 2.227 MB / 0.9636 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002863/0.2256, allocations: 394.9 kB / 1.013 GB, free: 1.816 MB / 0.9636 GB Notification: Performance of simCode: alias equations: time 0.000762/0.2263, allocations: 367.5 kB / 1.014 GB, free: 1.453 MB / 0.9636 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000152/0.2265, allocations: 112.5 kB / 1.014 GB, free: 1.344 MB / 0.9636 GB Notification: Performance of SimCode: time 8.22e-07/0.2265, allocations: 0 / 1.014 GB, free: 1.344 MB / 0.9636 GB Notification: Performance of Templates: time 0.03431/0.2608, allocations: 29.77 MB / 1.043 GB, free: 4.309 MB / 0.9948 GB " [Timeout remaining time 300] make -j1 -f Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.makefile [Timeout 300] (rm -f Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe ; mkfifo Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe >> ../files/Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.sim & ./Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_11_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_Fluid_FMI_Validation_HeaterFan_noReverseFlow.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 6.4967821361497045]