Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface.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 0.001583/0.001583, allocations: 113.9 kB / 17.61 MB, free: 4.684 MB / 14.72 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 0.001789/0.001789, allocations: 185.9 kB / 20.78 MB, free: 1.52 MB / 14.72 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 1.647/1.647, allocations: 225.6 MB / 249.4 MB, free: 3.316 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.623/2.623, allocations: 443.4 MB / 0.7304 GB, free: 14.06 MB / 0.5762 GB " [Timeout remaining time 177] Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo) 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(Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|powCoo.Q_flow|powCoo.WHyd|powNonCoo.Q_flow|powNonCoo.WHyd",fileNamePrefix="Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface") translateModel(Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|powCoo.Q_flow|powCoo.WHyd|powNonCoo.Q_flow|powNonCoo.WHyd",fileNamePrefix="Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.001964/0.001964, allocations: 63.89 kB / 1.059 GB, free: 412 kB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3353/0.3372, allocations: 160.7 MB / 1.216 GB, free: 15.38 MB / 0.9669 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface): time 0.003156/0.3404, allocations: 1.644 MB / 1.218 GB, free: 13.71 MB / 0.9669 GB Notification: Performance of NFInst.instExpressions: time 0.000751/0.3411, allocations: 346.7 kB / 1.218 GB, free: 13.38 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 5.126e-05/0.3412, allocations: 4 kB / 1.218 GB, free: 13.37 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 4.866e-05/0.3412, allocations: 11.86 kB / 1.218 GB, free: 13.36 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 7.551e-05/0.3413, allocations: 19.8 kB / 1.218 GB, free: 13.34 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.0003255/0.3416, allocations: 83.77 kB / 1.218 GB, free: 13.26 MB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.0001582/0.3418, allocations: 111.6 kB / 1.218 GB, free: 13.15 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001417/0.3419, allocations: 19.98 kB / 1.218 GB, free: 13.13 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 8.813e-05/0.342, allocations: 39.86 kB / 1.218 GB, free: 13.09 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 9.745e-05/0.3421, allocations: 51.77 kB / 1.218 GB, free: 13.04 MB / 0.9669 GB Notification: Performance of NFPackage.collectConstants: time 2e-05/0.3421, allocations: 8 kB / 1.218 GB, free: 13.03 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001047/0.3422, allocations: 39.97 kB / 1.218 GB, free: 12.99 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 2.582e-05/0.3423, allocations: 19.92 kB / 1.218 GB, free: 12.97 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 5.617e-05/0.3423, allocations: 47.78 kB / 1.218 GB, free: 12.93 MB / 0.9669 GB Notification: Performance of NFConvertDAE.convert: time 0.0002056/0.3425, allocations: 115.4 kB / 1.219 GB, free: 12.81 MB / 0.9669 GB Notification: Performance of FrontEnd - DAE generated: time 4.258e-06/0.3425, allocations: 0 / 1.219 GB, free: 12.81 MB / 0.9669 GB Notification: Performance of FrontEnd: time 1.923e-06/0.3425, allocations: 0 / 1.219 GB, free: 12.81 MB / 0.9669 GB Notification: Performance of Transformations before backend: time 7.274e-06/0.3425, allocations: 0 / 1.219 GB, free: 12.81 MB / 0.9669 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 18 * Number of variables: 18 Notification: Performance of Generate backend data structure: time 0.0006489/0.3432, allocations: 403 kB / 1.219 GB, free: 12.37 MB / 0.9669 GB Notification: Performance of prepare preOptimizeDAE: time 3.802e-05/0.3432, allocations: 8.031 kB / 1.219 GB, free: 12.36 MB / 0.9669 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001385/0.3446, allocations: 176.5 kB / 1.219 GB, free: 12.19 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001516/0.3448, allocations: 176.3 kB / 1.219 GB, free: 11.98 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.938e-05/0.3448, allocations: 4.375 kB / 1.219 GB, free: 11.97 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 3.043e-05/0.3448, allocations: 8.375 kB / 1.219 GB, free: 11.96 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006314/0.3454, allocations: 170.1 kB / 1.22 GB, free: 11.79 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.136e-05/0.3455, allocations: 192 / 1.22 GB, free: 11.79 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.067e-05/0.3455, allocations: 7.938 kB / 1.22 GB, free: 11.79 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.872e-06/0.3455, allocations: 4 kB / 1.22 GB, free: 11.78 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000908/0.3464, allocations: 187.7 kB / 1.22 GB, free: 11.6 MB / 0.9669 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001281/0.3477, allocations: 480.1 kB / 1.22 GB, free: 11.08 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001065/0.3487, allocations: 186.3 kB / 1.22 GB, free: 10.89 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003478/0.3491, allocations: 64.86 kB / 1.22 GB, free: 10.82 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 2.1e-05/0.3491, allocations: 3.984 kB / 1.22 GB, free: 10.82 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.999e-05/0.3491, allocations: 30.56 kB / 1.22 GB, free: 10.78 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=3): time 1.192e-06/0.3491, allocations: 4 kB / 1.22 GB, free: 10.77 MB / 0.9669 GB Notification: Performance of matching and sorting (n=3): time 0.001166/0.3503, allocations: 229.3 kB / 1.221 GB, free: 10.54 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.188e-05/0.3504, allocations: 51.41 kB / 1.221 GB, free: 10.48 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003202/0.3507, allocations: 193 kB / 1.221 GB, free: 10.29 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 2.059e-05/0.3507, allocations: 29.64 kB / 1.221 GB, free: 10.25 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 8.742e-05/0.3508, allocations: 108 kB / 1.221 GB, free: 10.14 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 1.651e-05/0.3508, allocations: 11.95 kB / 1.221 GB, free: 10.13 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.188e-05/0.3509, allocations: 29.69 kB / 1.221 GB, free: 10.09 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001688/0.3511, allocations: 322.8 kB / 1.221 GB, free: 9.77 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000442/0.3515, allocations: 84.77 kB / 1.221 GB, free: 9.684 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004455/0.3519, allocations: 102.5 kB / 1.222 GB, free: 9.574 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007459/0.3527, allocations: 162.4 kB / 1.222 GB, free: 9.406 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.893e-06/0.3527, allocations: 0 / 1.222 GB, free: 9.406 MB / 0.9669 GB Notification: Performance of matching and sorting (n=7) (initialization): time 0.0009353/0.3536, allocations: 217.4 kB / 1.222 GB, free: 9.188 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 1.922e-05/0.3536, allocations: 8 kB / 1.222 GB, free: 9.18 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.771e-06/0.3537, allocations: 0 / 1.222 GB, free: 9.18 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.779e-05/0.3537, allocations: 7.875 kB / 1.222 GB, free: 9.172 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003188/0.354, allocations: 47.94 kB / 1.222 GB, free: 9.125 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.358e-06/0.354, allocations: 4 kB / 1.222 GB, free: 9.121 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003697/0.3544, allocations: 43.88 kB / 1.222 GB, free: 9.078 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.947e-05/0.3544, allocations: 4 kB / 1.222 GB, free: 9.074 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002309/0.3546, allocations: 120.1 kB / 1.222 GB, free: 8.953 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001949/0.3548, allocations: 81.92 kB / 1.222 GB, free: 8.852 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002841/0.3551, allocations: 105.9 kB / 1.222 GB, free: 8.727 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.32e-07/0.3551, allocations: 0 / 1.222 GB, free: 8.727 MB / 0.9669 GB Notification: Performance of matching and sorting (n=7) (initialization_lambda0): time 0.0004339/0.3555, allocations: 145.3 kB / 1.222 GB, free: 8.578 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 9.408e-06/0.3555, allocations: 8 kB / 1.222 GB, free: 8.57 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.784e-06/0.3555, allocations: 0 / 1.222 GB, free: 8.57 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.968e-06/0.3555, allocations: 4.219 kB / 1.222 GB, free: 8.566 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000155/0.3557, allocations: 35.97 kB / 1.222 GB, free: 8.531 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.455e-06/0.3557, allocations: 320 / 1.222 GB, free: 8.531 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002352/0.3559, allocations: 19.97 kB / 1.223 GB, free: 8.512 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.127e-05/0.356, allocations: 4 kB / 1.223 GB, free: 8.508 MB / 0.9669 GB Notification: Model statistics after passing the back-end for initialization: * 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 initialization (7): * Single equations (assignments): 7 * 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 prepare postOptimizeDAE: time 0.0001187/0.3561, allocations: 188.3 kB / 1.223 GB, free: 8.316 MB / 0.9669 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.785e-05/0.3561, allocations: 7.953 kB / 1.223 GB, free: 8.309 MB / 0.9669 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.57e-05/0.3562, allocations: 24.11 kB / 1.223 GB, free: 8.277 MB / 0.9669 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.505e-06/0.3562, allocations: 192 / 1.223 GB, free: 8.277 MB / 0.9669 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.667e-06/0.3562, allocations: 0 / 1.223 GB, free: 8.277 MB / 0.9669 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.208e-06/0.3562, allocations: 3.984 kB / 1.223 GB, free: 8.273 MB / 0.9669 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002677/0.3564, allocations: 213.5 kB / 1.223 GB, free: 8.016 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.212e-06/0.3564, allocations: 0 / 1.223 GB, free: 8.016 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002263/0.3567, allocations: 31.95 kB / 1.223 GB, free: 7.984 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.693e-06/0.3567, allocations: 0 / 1.223 GB, free: 7.984 MB / 0.9669 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.814e-05/0.3567, allocations: 11.92 kB / 1.223 GB, free: 7.973 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.647e-06/0.3567, allocations: 4 kB / 1.223 GB, free: 7.969 MB / 0.9669 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.81e-07/0.3567, allocations: 0 / 1.223 GB, free: 7.969 MB / 0.9669 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007631/0.3575, allocations: 255.3 kB / 1.223 GB, free: 7.703 MB / 0.9669 GB Notification: Performance of postOpt removeConstants (simulation): time 9.222e-05/0.3575, allocations: 97.03 kB / 1.223 GB, free: 7.59 MB / 0.9669 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.039e-05/0.3576, allocations: 3.938 kB / 1.223 GB, free: 7.586 MB / 0.9669 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002907/0.3579, allocations: 31.95 kB / 1.223 GB, free: 7.555 MB / 0.9669 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.017e-05/0.3579, allocations: 0 / 1.223 GB, free: 7.555 MB / 0.9669 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.702e-05/0.3579, allocations: 7.984 kB / 1.223 GB, free: 7.547 MB / 0.9669 GB Notification: Performance of sorting global known variables: time 0.0001905/0.3581, allocations: 144.9 kB / 1.223 GB, free: 7.406 MB / 0.9669 GB Notification: Performance of sort global known variables: time 8e-08/0.3581, allocations: 0 / 1.223 GB, free: 7.406 MB / 0.9669 GB Notification: Performance of remove unused functions: time 0.0003566/0.3585, allocations: 40 kB / 1.224 GB, free: 7.367 MB / 0.9669 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * 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 (3): * Single equations (assignments): 3 * 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 0.0001309/0.3586, allocations: 99.25 kB / 1.224 GB, free: 7.262 MB / 0.9669 GB Notification: Performance of simCode: created initialization part: time 0.001028/0.3596, allocations: 203.9 kB / 1.224 GB, free: 7.062 MB / 0.9669 GB Notification: Performance of simCode: created event and clocks part: time 2.083e-06/0.3596, allocations: 0 / 1.224 GB, free: 7.062 MB / 0.9669 GB Notification: Performance of simCode: created simulation system equations: time 0.0003452/0.36, allocations: 72.17 kB / 1.224 GB, free: 6.992 MB / 0.9669 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003115/0.3603, allocations: 13.86 kB / 1.224 GB, free: 6.98 MB / 0.9669 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0009145/0.3612, allocations: 258.7 kB / 1.224 GB, free: 6.703 MB / 0.9669 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003441/0.3615, allocations: 0.7002 MB / 1.225 GB, free: 5.977 MB / 0.9669 GB Notification: Performance of simCode: alias equations: time 0.0001424/0.3617, allocations: 16 kB / 1.225 GB, free: 5.961 MB / 0.9669 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.148e-05/0.3618, allocations: 27.41 kB / 1.225 GB, free: 5.934 MB / 0.9669 GB Notification: Performance of SimCode: time 1.032e-06/0.3618, allocations: 0 / 1.225 GB, free: 5.934 MB / 0.9669 GB Notification: Performance of Templates: time 0.004556/0.3663, allocations: 1.722 MB / 1.227 GB, free: 4.207 MB / 0.9669 GB " [Timeout remaining time 300] make -j1 -f Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface.makefile [Timeout 300] (rm -f Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe ; mkfifo Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe >> ../files/Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface.sim & ./Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Movers_BaseClasses_Validation_PowerInterface.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Movers.BaseClasses.Validation.PowerInterface.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 8.509822566993535]