Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.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 0.001372/0.001372, allocations: 81.97 kB / 21.99 MB, free: 5.18 MB / 14.72 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 0.001451/0.001451, allocations: 161.8 kB / 25.25 MB, free: 3.027 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.33/1.33, allocations: 158.6 MB / 187 MB, free: 6.492 MB / 174.1 MB " [Timeout remaining time 179] Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5062,variableFilter="time|Inertia.phi|Inertia.w",fileNamePrefix="Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b") translateModel(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5062,variableFilter="time|Inertia.phi|Inertia.w",fileNamePrefix="Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b") [Timeout 660] "Notification: Modelica requested package Complex of version 3.2.3. Complex 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001818/0.001818, allocations: 55.92 kB / 299.4 MB, free: 6.855 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2121/0.2139, allocations: 49.15 MB / 348.5 MB, free: 15.51 MB / 318.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b): time 0.02097/0.2349, allocations: 17.77 MB / 366.3 MB, free: 13.67 MB / 334.1 MB Notification: Performance of NFInst.instExpressions: time 0.01372/0.2486, allocations: 6.033 MB / 372.3 MB, free: 7.617 MB / 334.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002957/0.2516, allocations: 202.9 kB / 372.5 MB, free: 7.418 MB / 334.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01182/0.2634, allocations: 6.184 MB / 378.7 MB, free: 1.215 MB / 334.1 MB Notification: Performance of NFTyping.typeBindings: time 0.008389/0.2718, allocations: 3.587 MB / 382.3 MB, free: 13.61 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003383/0.2752, allocations: 1.665 MB / 384 MB, free: 11.95 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.01543/0.2906, allocations: 11.68 MB / 395.7 MB, free: 248 kB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.009467/0.3001, allocations: 6.294 MB / 401.9 MB, free: 9.855 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.007732/0.3078, allocations: 3.844 MB / 405.8 MB, free: 6 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.008744/0.3165, allocations: 5.09 MB / 410.9 MB, free: 0.8945 MB / 366.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002522/0.3191, allocations: 0.7461 MB / 411.6 MB, free: 152 kB / 366.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.00481/0.3239, allocations: 1.612 MB / 413.2 MB, free: 14.54 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.00614/0.33, allocations: 4.547 MB / 417.8 MB, free: 9.977 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.006297/0.3363, allocations: 3.586 MB / 421.4 MB, free: 6.371 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01621/0.3525, allocations: 14.34 MB / 435.7 MB, free: 7.984 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.851e-06/0.3525, allocations: 0 / 435.7 MB, free: 7.984 MB / 398.1 MB Notification: Performance of FrontEnd: time 1.613e-06/0.3525, allocations: 0 / 435.7 MB, free: 7.984 MB / 398.1 MB Notification: Performance of Transformations before backend: time 0.0003147/0.3528, allocations: 4 kB / 435.7 MB, free: 7.98 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2489 * Number of variables: 2489 Notification: Performance of Generate backend data structure: time 0.02339/0.3762, allocations: 10.25 MB / 446 MB, free: 13.64 MB / 414.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.104e-05/0.3763, allocations: 15.97 kB / 446 MB, free: 13.62 MB / 414.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04774/0.424, allocations: 5.562 MB / 451.5 MB, free: 8.051 MB / 414.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02079/0.4448, allocations: 8.496 MB / 460 MB, free: 15.44 MB / 430.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003776/0.4452, allocations: 448.9 kB / 460.5 MB, free: 15 MB / 430.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001577/0.4468, allocations: 0.6168 MB / 461.1 MB, free: 14.39 MB / 430.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.3452/0.792, allocations: 17.45 MB / 478.5 MB, free: 97.77 MB / 430.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003029/0.7923, allocations: 101.5 kB / 478.6 MB, free: 97.74 MB / 430.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006915/0.7929, allocations: 280.7 kB / 478.9 MB, free: 97.63 MB / 430.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003967/0.7969, allocations: 2.859 MB / 481.8 MB, free: 97.11 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02332/0.8202, allocations: 14.01 MB / 495.8 MB, free: 90.61 MB / 430.1 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 0.06324/0.8835, allocations: 62.84 MB / 0.5455 GB, free: 27.39 MB / 430.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01636/0.8998, allocations: 7.047 MB / 0.5524 GB, free: 20.33 MB / 430.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.004128/0.904, allocations: 4.199 MB / 0.5565 GB, free: 16.12 MB / 430.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01419/0.9182, allocations: 10.67 MB / 0.5669 GB, free: 5.543 MB / 430.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.676e-05/0.9182, allocations: 72.48 kB / 0.567 GB, free: 5.465 MB / 430.1 MB Notification: Performance of pre-optimization done (n=293): time 6.041e-06/0.9182, allocations: 0 / 0.567 GB, free: 5.465 MB / 430.1 MB Notification: Performance of matching and sorting (n=365): time 0.1498/1.068, allocations: 45.43 MB / 0.6114 GB, free: 8.66 MB / 478.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002302/1.068, allocations: 402.3 kB / 0.6118 GB, free: 8.18 MB / 478.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.009943/1.078, allocations: 7.073 MB / 0.6187 GB, free: 1.324 MB / 478.1 MB Notification: Performance of collectPreVariables (initialization): time 0.000701/1.079, allocations: 85.7 kB / 0.6188 GB, free: 1.234 MB / 478.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.004381/1.083, allocations: 5.446 MB / 0.6241 GB, free: 11.89 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0018/1.085, allocations: 1.415 MB / 0.6255 GB, free: 10.46 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002927/1.088, allocations: 1.945 MB / 0.6274 GB, free: 8.504 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 0.0001329/1.088, allocations: 301.1 kB / 0.6276 GB, free: 8.207 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007371/1.095, allocations: 4.286 MB / 0.6318 GB, free: 3.914 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01179/1.107, allocations: 9.425 MB / 0.641 GB, free: 8.055 MB / 0.4982 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01952/1.127, allocations: 14.25 MB / 0.6549 GB, free: 7.434 MB / 0.5138 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001104/1.127, allocations: 52 kB / 0.655 GB, free: 7.383 MB / 0.5138 GB Notification: Performance of matching and sorting (n=1238) (initialization): time 0.2121/1.339, allocations: 17.91 MB / 0.6725 GB, free: 171.2 MB / 0.5138 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001024/1.339, allocations: 74.75 kB / 0.6725 GB, free: 171.2 MB / 0.5138 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001381/1.339, allocations: 169.1 kB / 0.6727 GB, free: 171.2 MB / 0.5138 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01361/1.353, allocations: 5.324 MB / 0.6779 GB, free: 170.3 MB / 0.5138 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005591/1.358, allocations: 2.012 MB / 0.6799 GB, free: 170.2 MB / 0.5138 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03397/1.392, allocations: 30.38 MB / 0.7095 GB, free: 148.8 MB / 0.5138 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007199/1.4, allocations: 0.5491 MB / 0.7101 GB, free: 148.3 MB / 0.5138 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000978/1.401, allocations: 0.5117 MB / 0.7106 GB, free: 147.8 MB / 0.5138 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 762 * Number of states: 0 () * Number of discrete variables: 72 (Rod3.color[3],Rod3.color[2],Rod3.color[1],Rod1.color[3],Rod1.color[2],Rod1.color[1],Cylinder.boxColor[3],Cylinder.boxColor[2],Cylinder.boxColor[1],B1.cylinderColor[3],B1.cylinderColor[2],B1.cylinderColor[1],B2.cylinderColor[3],B2.cylinderColor[2],B2.cylinderColor[1],cylPosition.color[3],cylPosition.color[2],cylPosition.color[1],Mid.color[3],Mid.color[2],Mid.color[1],Crank2.color[3],Crank2.color[2],Crank2.color[1],Crank2.body.sphereColor[3],Crank2.body.sphereColor[2],Crank2.body.sphereColor[1],Crank1.color[3],Crank1.color[2],Crank1.color[1],Crank1.body.sphereColor[3],Crank1.body.sphereColor[2],Crank1.body.sphereColor[1],Crank3.color[3],Crank3.color[2],Crank3.color[1],Crank3.body.sphereColor[3],Crank3.body.sphereColor[2],Crank3.body.sphereColor[1],Crank4.color[3],Crank4.color[2],Crank4.color[1],Crank4.body.sphereColor[3],Crank4.body.sphereColor[2],Crank4.body.sphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],Bearing.cylinderColor[3],Bearing.cylinderColor[2],Bearing.cylinderColor[1],Rod2.color[3],Rod2.color[2],Rod2.color[1],Rod2.body.sphereColor[3],Rod2.body.sphereColor[2],Rod2.body.sphereColor[1],Piston.color[3],Piston.color[2],Piston.color[1],Piston.body.sphereColor[3],Piston.body.sphereColor[2],Piston.body.sphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1102): * Single equations (assignments): 1096 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(6,100,72.2%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.004416/1.405, allocations: 3.622 MB / 0.7141 GB, free: 144.3 MB / 0.5138 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001057/1.406, allocations: 0.6523 MB / 0.7148 GB, free: 144 MB / 0.5138 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01923/1.425, allocations: 11.14 MB / 0.7256 GB, free: 132.8 MB / 0.5138 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.886e-05/1.425, allocations: 36 kB / 0.7257 GB, free: 132.8 MB / 0.5138 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.49e-05/1.425, allocations: 27.92 kB / 0.7257 GB, free: 132.8 MB / 0.5138 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.14e-05/1.425, allocations: 16.31 kB / 0.7257 GB, free: 132.7 MB / 0.5138 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03262/1.458, allocations: 19.67 MB / 0.7449 GB, free: 113.1 MB / 0.5138 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.648e-05/1.458, allocations: 11.78 kB / 0.7449 GB, free: 113.1 MB / 0.5138 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001982/1.46, allocations: 455.3 kB / 0.7454 GB, free: 112.7 MB / 0.5138 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01285/1.473, allocations: 5.002 MB / 0.7503 GB, free: 107.7 MB / 0.5138 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004295/1.473, allocations: 68 kB / 0.7503 GB, free: 107.6 MB / 0.5138 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0327/1.506, allocations: 29.8 MB / 0.7794 GB, free: 77.76 MB / 0.5138 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.824e-06/1.506, allocations: 15.94 kB / 0.7794 GB, free: 77.75 MB / 0.5138 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02638/1.532, allocations: 16.4 MB / 0.7954 GB, free: 61.43 MB / 0.5138 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003343/1.536, allocations: 1.246 MB / 0.7967 GB, free: 60.19 MB / 0.5138 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001206/1.537, allocations: 67.98 kB / 0.7967 GB, free: 60.12 MB / 0.5138 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003506/1.54, allocations: 267.6 kB / 0.797 GB, free: 59.86 MB / 0.5138 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008283/1.541, allocations: 282.3 kB / 0.7973 GB, free: 59.58 MB / 0.5138 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002817/1.541, allocations: 104 kB / 0.7974 GB, free: 59.48 MB / 0.5138 GB Notification: Performance of sorting global known variables: time 0.005564/1.547, allocations: 4.301 MB / 0.8016 GB, free: 55.2 MB / 0.5138 GB Notification: Performance of sort global known variables: time 8e-08/1.547, allocations: 0 / 0.8016 GB, free: 55.2 MB / 0.5138 GB Notification: Performance of remove unused functions: time 0.008107/1.555, allocations: 2.175 MB / 0.8037 GB, free: 53.03 MB / 0.5138 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 35 * Number of states: 2 (Inertia.phi,Inertia.w) * 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 (241): * Single equations (assignments): 235 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(5,96,72.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005715/1.556, allocations: 225.3 kB / 0.8039 GB, free: 52.81 MB / 0.5138 GB Notification: Performance of simCode: created initialization part: time 0.01292/1.569, allocations: 10.38 MB / 0.814 GB, free: 42.41 MB / 0.5138 GB Notification: Performance of simCode: created event and clocks part: time 1.011e-05/1.569, allocations: 4 kB / 0.814 GB, free: 42.4 MB / 0.5138 GB Notification: Performance of simCode: created simulation system equations: time 0.005192/1.574, allocations: 4.162 MB / 0.8181 GB, free: 38.19 MB / 0.5138 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004824/1.579, allocations: 0.9328 MB / 0.819 GB, free: 37.26 MB / 0.5138 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02558/1.604, allocations: 19.78 MB / 0.8383 GB, free: 17.36 MB / 0.5138 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005375/1.61, allocations: 5.31 MB / 0.8435 GB, free: 11.99 MB / 0.5138 GB Notification: Performance of simCode: alias equations: time 0.005384/1.615, allocations: 2.689 MB / 0.8461 GB, free: 9.293 MB / 0.5138 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001016/1.616, allocations: 388.5 kB / 0.8465 GB, free: 8.914 MB / 0.5138 GB Notification: Performance of SimCode: time 9.71e-07/1.616, allocations: 4 kB / 0.8465 GB, free: 8.91 MB / 0.5138 GB Notification: Performance of Templates: time 0.3179/1.934, allocations: 89.46 MB / 0.9339 GB, free: 106.4 MB / 0.5138 GB " [Timeout remaining time 658] make -j1 -f Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.makefile [Timeout 660] (rm -f Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.pipe ; mkfifo Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.pipe >> ../files/Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.sim & ./Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b -abortSlowSimulation -alarm=480 -s ida -emit_protected -lv LOG_STATS > Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.pipe 2>&1) [Timeout 480] diffSimulationResults("Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/Modelica/Mechanics/MultiBody/Examples/Loops/Engine1b/Engine1b.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 8.68623973801732]