Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Fluid.Examples.HeatingSystem.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.002061/0.002061, allocations: 84.66 kB / 20.95 MB, free: 3.453 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002522/0.002522, allocations: 153.1 kB / 24.26 MB, free: 156 kB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.451/1.451, allocations: 173.4 MB / 200.8 MB, free: 9.309 MB / 186.7 MB " [Timeout remaining time 178] Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Modelica.Fluid.Examples.HeatingSystem,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|heater.mediums.1..h|heater.mediums.1..p|pipe.mediums.1..h|pipe.mediums.1..p|pipe.mediums.2..h|pipe.mediums.2..p|radiator.mediums.1..h|radiator.mediums.1..p|tank.level|tank.medium.h",fileNamePrefix="Modelica_4.0.0_Modelica.Fluid.Examples.HeatingSystem") translateModel(Modelica.Fluid.Examples.HeatingSystem,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|heater.mediums.1..h|heater.mediums.1..p|pipe.mediums.1..h|pipe.mediums.1..p|pipe.mediums.2..h|pipe.mediums.2..p|radiator.mediums.1..h|radiator.mediums.1..p|tank.level|tank.medium.h",fileNamePrefix="Modelica_4.0.0_Modelica.Fluid.Examples.HeatingSystem") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.164e-06/2.164e-06, allocations: 0 / 267.3 MB, free: 6.742 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 3.154e-05/3.37e-05, allocations: 6.312 kB / 267.3 MB, free: 6.734 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.HeatingSystem): time 0.2604/0.2604, allocations: 81.04 MB / 348.3 MB, free: 7.23 MB / 298.7 MB Notification: Performance of NFInst.instExpressions: time 0.03714/0.2975, allocations: 19.58 MB / 367.9 MB, free: 3.598 MB / 314.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002719/0.3003, allocations: 126.9 kB / 368 MB, free: 3.473 MB / 314.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002778/0.303, allocations: 0.9275 MB / 369 MB, free: 2.539 MB / 314.7 MB Notification: Performance of NFTyping.typeBindings: time 0.01129/0.3143, allocations: 3.99 MB / 373 MB, free: 14.53 MB / 330.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.01674/0.3311, allocations: 6.698 MB / 379.7 MB, free: 7.82 MB / 330.7 MB Notification: Performance of NFFlatten.flatten: time 0.01084/0.3419, allocations: 6.931 MB / 386.6 MB, free: 0.8711 MB / 330.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003327/0.3452, allocations: 1.682 MB / 388.3 MB, free: 15.16 MB / 346.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.3248/0.67, allocations: 75.28 MB / 463.6 MB, free: 36.93 MB / 378.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.05968/0.7297, allocations: 31.74 MB / 495.3 MB, free: 22.14 MB / 378.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0009814/0.7307, allocations: 248 kB / 495.5 MB, free: 21.9 MB / 378.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01228/0.743, allocations: 5.438 MB / 0.4892 GB, free: 17.49 MB / 378.7 MB Notification: Performance of NFScalarize.scalarize: time 0.001474/0.7444, allocations: 1.17 MB / 0.4904 GB, free: 16.86 MB / 378.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001723/0.7462, allocations: 1.082 MB / 0.4914 GB, free: 16.2 MB / 378.7 MB Notification: Performance of NFConvertDAE.convert: time 0.007608/0.7538, allocations: 5.762 MB / 0.4971 GB, free: 12.16 MB / 378.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.188e-06/0.7538, allocations: 4 kB / 0.4971 GB, free: 12.16 MB / 378.7 MB Notification: Performance of FrontEnd: time 1.392e-06/0.7538, allocations: 0 / 0.4971 GB, free: 12.16 MB / 378.7 MB Notification: Performance of Transformations before backend: time 6.095e-05/0.7538, allocations: 4 kB / 0.4971 GB, free: 12.15 MB / 378.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 538 * Number of variables: 538 Notification: Performance of Generate backend data structure: time 0.007692/0.7615, allocations: 3.497 MB / 0.5005 GB, free: 9.062 MB / 378.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.512e-05/0.7616, allocations: 12.03 kB / 0.5005 GB, free: 9.051 MB / 378.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001248/0.7628, allocations: 0.4973 MB / 0.501 GB, free: 8.617 MB / 378.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002774/0.7656, allocations: 1.685 MB / 0.5026 GB, free: 7.277 MB / 378.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002059/0.7658, allocations: 271.9 kB / 0.5029 GB, free: 7.059 MB / 378.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003374/0.7661, allocations: 210.7 kB / 0.5031 GB, free: 6.918 MB / 378.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004916/0.7711, allocations: 3.666 MB / 0.5067 GB, free: 3.859 MB / 378.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 5.255e-05/0.7711, allocations: 6.719 kB / 0.5067 GB, free: 3.855 MB / 378.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002282/0.7713, allocations: 89.91 kB / 0.5068 GB, free: 3.781 MB / 378.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002485/0.7716, allocations: 250.9 kB / 0.507 GB, free: 3.539 MB / 378.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004139/0.7757, allocations: 3.097 MB / 0.51 GB, free: 476 kB / 378.7 MB 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 0.02118/0.7969, allocations: 9.743 MB / 0.5195 GB, free: 6.773 MB / 394.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.004723/0.8016, allocations: 2.08 MB / 0.5216 GB, free: 4.695 MB / 394.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002568/0.8042, allocations: 1.29 MB / 0.5228 GB, free: 3.41 MB / 394.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.009038/0.8132, allocations: 3.476 MB / 0.5262 GB, free: 15.96 MB / 410.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.233e-05/0.8133, allocations: 52.56 kB / 0.5263 GB, free: 15.9 MB / 410.7 MB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0009067/0.8142, allocations: 154.2 kB / 0.5264 GB, free: 15.75 MB / 410.7 MB Notification: Performance of pre-optimization done (n=170): time 5.911e-06/0.8142, allocations: 4 kB / 0.5264 GB, free: 15.75 MB / 410.7 MB Notification: Performance of matching and sorting (n=196): time 0.02632/0.8405, allocations: 8.922 MB / 0.5351 GB, free: 6.844 MB / 410.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 7.215e-05/0.8406, allocations: 77.41 kB / 0.5352 GB, free: 6.758 MB / 410.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0026/0.8432, allocations: 1.486 MB / 0.5367 GB, free: 5.266 MB / 410.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0003564/0.8436, allocations: 61.7 kB / 0.5367 GB, free: 5.199 MB / 410.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.001071/0.8446, allocations: 1.08 MB / 0.5378 GB, free: 4.117 MB / 410.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.001125/0.8458, allocations: 0.7065 MB / 0.5385 GB, free: 3.422 MB / 410.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009702/0.8467, allocations: 452.5 kB / 0.5389 GB, free: 2.973 MB / 410.7 MB Notification: Performance of setup shared object (initialization): time 0.0002119/0.8469, allocations: 305.1 kB / 0.5392 GB, free: 2.672 MB / 410.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003444/0.8504, allocations: 1.229 MB / 0.5404 GB, free: 1.434 MB / 410.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004901/0.8553, allocations: 1.796 MB / 0.5421 GB, free: 15.4 MB / 426.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.009104/0.8644, allocations: 3.162 MB / 0.5452 GB, free: 12.07 MB / 426.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.599e-05/0.8644, allocations: 4 kB / 0.5452 GB, free: 12.07 MB / 426.7 MB Notification: Performance of matching and sorting (n=298) (initialization): time 0.01553/0.8799, allocations: 4.302 MB / 0.5494 GB, free: 7.867 MB / 426.7 MB Notification: Performance of prepare postOptimizeDAE: time 6.09e-05/0.88, allocations: 16.94 kB / 0.5494 GB, free: 7.852 MB / 426.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.225e-05/0.8801, allocations: 16 kB / 0.5495 GB, free: 7.836 MB / 426.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.02935/0.9094, allocations: 3.75 MB / 0.5531 GB, free: 4.102 MB / 426.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002682/0.9121, allocations: 324.9 kB / 0.5534 GB, free: 3.805 MB / 426.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01402/0.9261, allocations: 3.999 MB / 0.5573 GB, free: 15.81 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003629/0.9297, allocations: 103.9 kB / 0.5574 GB, free: 15.71 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004854/0.9302, allocations: 112 kB / 0.5575 GB, free: 15.6 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00577/0.936, allocations: 1.675 MB / 0.5592 GB, free: 13.92 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005439/0.9414, allocations: 1.751 MB / 0.5609 GB, free: 11.92 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.01013/0.9516, allocations: 3.043 MB / 0.5639 GB, free: 8.707 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.425e-05/0.9516, allocations: 8 kB / 0.5639 GB, free: 8.699 MB / 442.7 MB Notification: Performance of matching and sorting (n=298) (initialization_lambda0): time 0.009986/0.9616, allocations: 4.044 MB / 0.5678 GB, free: 4.758 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.959e-05/0.9616, allocations: 12 kB / 0.5678 GB, free: 4.746 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.394e-05/0.9617, allocations: 16 kB / 0.5678 GB, free: 4.73 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01168/0.9733, allocations: 2.793 MB / 0.5706 GB, free: 1.949 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001807/0.9751, allocations: 373.6 kB / 0.5709 GB, free: 1.609 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006762/0.9819, allocations: 3.526 MB / 0.5744 GB, free: 14.09 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002012/0.9839, allocations: 95.94 kB / 0.5745 GB, free: 13.99 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003084/0.9842, allocations: 110.4 kB / 0.5746 GB, free: 13.89 MB / 458.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 78 * Number of states: 0 () * Number of discrete variables: 4 (tank.inFlow[2],tank.inFlow[1],tank.regularFlow[2],tank.regularFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (174): * Single equations (assignments): 173 * 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 {(18,107)} Notification: Performance of prepare postOptimizeDAE: time 0.0007144/0.9849, allocations: 310.8 kB / 0.5749 GB, free: 13.6 MB / 458.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007879/0.9857, allocations: 290 kB / 0.5751 GB, free: 13.32 MB / 458.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009147/0.9949, allocations: 3.904 MB / 0.5789 GB, free: 9.41 MB / 458.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.701e-05/0.9949, allocations: 27.98 kB / 0.579 GB, free: 9.383 MB / 458.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.165e-05/0.9949, allocations: 0 / 0.579 GB, free: 9.383 MB / 458.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.006775/1.002, allocations: 3.346 MB / 0.5822 GB, free: 5.957 MB / 458.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01193/1.014, allocations: 5.642 MB / 0.5878 GB, free: 332 kB / 458.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.896e-06/1.014, allocations: 8 kB / 0.5878 GB, free: 324 kB / 458.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00156/1.015, allocations: 315.2 kB / 0.5881 GB, free: 24 kB / 458.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.1237/1.139, allocations: 1.187 MB / 0.5892 GB, free: 210.5 MB / 458.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004659/1.139, allocations: 71.91 kB / 0.5893 GB, free: 210.5 MB / 458.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.008606/1.148, allocations: 10.44 MB / 0.5995 GB, free: 202.7 MB / 458.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.855e-06/1.148, allocations: 4.625 kB / 0.5995 GB, free: 202.7 MB / 458.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.009585/1.158, allocations: 5.203 MB / 0.6046 GB, free: 200.8 MB / 458.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001269/1.159, allocations: 0.5005 MB / 0.6051 GB, free: 200.6 MB / 458.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003324/1.159, allocations: 58.58 kB / 0.6051 GB, free: 200.6 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001299/1.16, allocations: 71.73 kB / 0.6052 GB, free: 200.6 MB / 458.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004265/1.161, allocations: 176.9 kB / 0.6054 GB, free: 200.6 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001874/1.161, allocations: 77.72 kB / 0.6054 GB, free: 200.5 MB / 458.7 MB Notification: Performance of sorting global known variables: time 0.001241/1.162, allocations: 0.9599 MB / 0.6064 GB, free: 200.2 MB / 458.7 MB Notification: Performance of sort global known variables: time 8e-08/1.162, allocations: 3.938 kB / 0.6064 GB, free: 200.2 MB / 458.7 MB Notification: Performance of remove unused functions: time 0.00397/1.166, allocations: 1.725 MB / 0.6081 GB, free: 200 MB / 458.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 10 (tank.level,tank.medium.T,heater.mediums[1].p,heater.mediums[1].T,radiator.mediums[1].p,radiator.mediums[1].T,pipe.mediums[1].p,pipe.mediums[1].T,pipe.mediums[2].p,pipe.mediums[2].T) * Number of discrete variables: 4 (tank.regularFlow[1],tank.regularFlow[2],tank.inFlow[1],tank.inFlow[2]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (181): * Single equations (assignments): 167 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 8 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 5 systems {(1,2,100.0%), (1,2,100.0%), (1,2,100.0%), (1,2,100.0%), (1,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(1,9), (2,8), (5,17)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002054/1.168, allocations: 1.089 MB / 0.6091 GB, free: 199.9 MB / 458.7 MB Notification: Performance of simCode: created initialization part: time 0.009155/1.177, allocations: 4.851 MB / 0.6139 GB, free: 198.4 MB / 458.7 MB Notification: Performance of simCode: created event and clocks part: time 4.208e-06/1.177, allocations: 0 / 0.6139 GB, free: 198.4 MB / 458.7 MB Notification: Performance of simCode: created simulation system equations: time 0.003524/1.181, allocations: 2.152 MB / 0.616 GB, free: 196.4 MB / 458.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003933/1.185, allocations: 0.9841 MB / 0.6169 GB, free: 195.8 MB / 458.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007827/1.193, allocations: 5.502 MB / 0.6223 GB, free: 190.5 MB / 458.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001061/1.194, allocations: 1.309 MB / 0.6236 GB, free: 189.2 MB / 458.7 MB Notification: Performance of simCode: alias equations: time 0.002526/1.196, allocations: 0.9082 MB / 0.6245 GB, free: 188.3 MB / 458.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005287/1.197, allocations: 183.1 kB / 0.6246 GB, free: 188.1 MB / 458.7 MB Notification: Performance of SimCode: time 1.763e-06/1.197, allocations: 0 / 0.6246 GB, free: 188.1 MB / 458.7 MB Notification: Performance of Templates: time 0.0768/1.274, allocations: 66.68 MB / 0.6897 GB, free: 122.2 MB / 458.7 MB " [Timeout remaining time 659] make -j1 -f Modelica_4.0.0_Modelica.Fluid.Examples.HeatingSystem.makefile [Timeout 660] (rm -f Modelica_4.0.0_Modelica.Fluid.Examples.HeatingSystem.pipe ; mkfifo Modelica_4.0.0_Modelica.Fluid.Examples.HeatingSystem.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Fluid.Examples.HeatingSystem.pipe >> ../files/Modelica_4.0.0_Modelica.Fluid.Examples.HeatingSystem.sim & ./Modelica_4.0.0_Modelica.Fluid.Examples.HeatingSystem -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_4.0.0_Modelica.Fluid.Examples.HeatingSystem.pipe 2>&1) [Timeout 480] [Calling os._exit(0), Time elapsed: 8.390815043938346]