Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001818/0.001818, allocations: 110.5 kB / 21.23 MB, free: 0.6641 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.002132/0.002132, allocations: 213.2 kB / 24.54 MB, free: 4.02 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.475/1.475, allocations: 230.3 MB / 258 MB, free: 8.195 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0-beta.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0-beta.om/package.mo): time 0.2431/0.2431, allocations: 46.94 MB / 361.4 MB, free: 4.395 MB / 286.1 MB " [Timeout remaining time 180] Using package ModelicaTest with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0-beta.om/package.mo) Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|volume.medium.p|volume.medium.T",fileNamePrefix="ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition") translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|volume.medium.p|volume.medium.T",fileNamePrefix="ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition") [Timeout 660] "Warning: Requested package Modelica of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Notification: Performance of FrontEnd - loaded program: time 0.002463/0.002463, allocations: 75.88 kB / 0.4972 GB, free: 7.5 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3292/0.3317, allocations: 66.03 MB / 0.5617 GB, free: 4.52 MB / 398.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition): time 0.5408/0.8725, allocations: 181 MB / 0.7384 GB, free: 1.781 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.008938/0.8814, allocations: 6.55 MB / 0.7448 GB, free: 1.77 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009989/0.8824, allocations: 32.25 kB / 0.7448 GB, free: 1.77 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.001432/0.8838, allocations: 432.4 kB / 0.7452 GB, free: 1.762 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.004898/0.8887, allocations: 1.808 MB / 0.747 GB, free: 1.691 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.003841/0.8926, allocations: 1.536 MB / 0.7485 GB, free: 1.641 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.002428/0.895, allocations: 2.141 MB / 0.7506 GB, free: 1.629 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007878/0.8958, allocations: 480.3 kB / 0.7511 GB, free: 1.617 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003696/0.8995, allocations: 1.795 MB / 0.7528 GB, free: 1.598 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002704/0.9022, allocations: 1.568 MB / 0.7543 GB, free: 1.582 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 0.0002495/0.9024, allocations: 75.09 kB / 0.7544 GB, free: 1.582 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002719/0.9052, allocations: 1.386 MB / 0.7558 GB, free: 1.566 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 0.0004416/0.9056, allocations: 454.2 kB / 0.7562 GB, free: 1.562 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.0008143/0.9064, allocations: 0.558 MB / 0.7567 GB, free: 1.562 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.003079/0.9095, allocations: 2.066 MB / 0.7588 GB, free: 1.457 MB / 0.5606 GB Notification: Performance of FrontEnd - DAE generated: time 4.198e-06/0.9095, allocations: 0 / 0.7588 GB, free: 1.457 MB / 0.5606 GB Notification: Performance of FrontEnd: time 1.663e-06/0.9095, allocations: 0 / 0.7588 GB, free: 1.457 MB / 0.5606 GB Notification: Performance of Transformations before backend: time 1.69e-05/0.9095, allocations: 0.7812 kB / 0.7588 GB, free: 1.457 MB / 0.5606 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 192 * Number of variables: 192 Notification: Performance of Generate backend data structure: time 0.003337/0.9129, allocations: 1.41 MB / 0.7601 GB, free: 16.81 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.628e-05/0.9129, allocations: 10.66 kB / 0.7602 GB, free: 16.81 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001447/0.9143, allocations: 286 kB / 0.7604 GB, free: 16.76 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001275/0.9156, allocations: 0.5688 MB / 0.761 GB, free: 16.54 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001379/0.9158, allocations: 115.3 kB / 0.7611 GB, free: 16.48 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001206/0.9159, allocations: 67.11 kB / 0.7612 GB, free: 16.48 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001847/0.9177, allocations: 1.263 MB / 0.7624 GB, free: 16.27 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.412e-05/0.9177, allocations: 5.562 kB / 0.7624 GB, free: 16.27 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001012/0.9178, allocations: 37.8 kB / 0.7624 GB, free: 16.26 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.408e-05/0.9179, allocations: 83.55 kB / 0.7625 GB, free: 16.26 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001405/0.9193, allocations: 1.05 MB / 0.7635 GB, free: 16.25 MB / 0.5762 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 0.006466/0.9258, allocations: 4.644 MB / 0.7681 GB, free: 13.78 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004603/0.9263, allocations: 291.3 kB / 0.7683 GB, free: 13.75 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000205/0.9265, allocations: 145.8 kB / 0.7685 GB, free: 13.74 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 7.556e-05/0.9265, allocations: 23.22 kB / 0.7685 GB, free: 13.74 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.03e-05/0.9266, allocations: 41.62 kB / 0.7686 GB, free: 13.7 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=28): time 2.805e-06/0.9266, allocations: 0 / 0.7686 GB, free: 13.7 MB / 0.5762 GB Notification: Performance of matching and sorting (n=33): time 0.006181/0.9328, allocations: 1.766 MB / 0.7703 GB, free: 13.11 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.579e-05/0.9329, allocations: 133.3 kB / 0.7704 GB, free: 12.96 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001082/0.9339, allocations: 0.9419 MB / 0.7713 GB, free: 12.79 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 4.654e-05/0.934, allocations: 30.05 kB / 0.7714 GB, free: 12.75 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003972/0.9344, allocations: 0.5861 MB / 0.7719 GB, free: 12.43 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001218/0.9345, allocations: 142.3 kB / 0.7721 GB, free: 12.34 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002396/0.9348, allocations: 217.9 kB / 0.7723 GB, free: 12.31 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.0002348/0.935, allocations: 403.2 kB / 0.7727 GB, free: 12 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004121/0.9354, allocations: 271.3 kB / 0.7729 GB, free: 12 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00107/0.9365, allocations: 0.8691 MB / 0.7738 GB, free: 11.25 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00125/0.9377, allocations: 1.176 MB / 0.7749 GB, free: 10.54 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.736e-06/0.9377, allocations: 5.656 kB / 0.7749 GB, free: 10.54 MB / 0.5762 GB Notification: Performance of matching and sorting (n=130) (initialization): time 0.00186/0.9396, allocations: 1.243 MB / 0.7761 GB, free: 10.44 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 2.789e-05/0.9396, allocations: 16.69 kB / 0.7761 GB, free: 10.44 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.151e-05/0.9396, allocations: 20.31 kB / 0.7762 GB, free: 10.44 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001256/0.9409, allocations: 282.9 kB / 0.7764 GB, free: 10.43 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005326/0.9414, allocations: 204.5 kB / 0.7766 GB, free: 10.43 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00109/0.9425, allocations: 0.9184 MB / 0.7775 GB, free: 9.902 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008457/0.9434, allocations: 44.5 kB / 0.7776 GB, free: 9.902 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.616e-05/0.9434, allocations: 69.55 kB / 0.7776 GB, free: 9.902 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 90 * Number of states: 0 () * Number of discrete variables: 4 (volume.regularFlow[1],volume.regularFlow[2],volume.inFlow[2],volume.inFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (112): * Single equations (assignments): 111 * 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 {(2,17)} Notification: Performance of prepare postOptimizeDAE: time 0.0004842/0.9439, allocations: 345 kB / 0.778 GB, free: 9.773 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001387/0.9441, allocations: 92.19 kB / 0.778 GB, free: 9.727 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009354/0.945, allocations: 0.5235 MB / 0.7786 GB, free: 9.652 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.122e-06/0.945, allocations: 4.797 kB / 0.7786 GB, free: 9.652 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.972e-06/0.945, allocations: 0 / 0.7786 GB, free: 9.652 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.619e-06/0.945, allocations: 6.922 kB / 0.7786 GB, free: 9.652 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001741/0.9468, allocations: 1.091 MB / 0.7796 GB, free: 9.363 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.396e-06/0.9468, allocations: 0.8438 kB / 0.7796 GB, free: 9.363 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009653/0.9477, allocations: 184.9 kB / 0.7798 GB, free: 9.363 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.187e-05/0.9478, allocations: 22.86 kB / 0.7798 GB, free: 9.355 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.824e-05/0.9478, allocations: 12.25 kB / 0.7798 GB, free: 9.355 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002275/0.9501, allocations: 2.666 MB / 0.7825 GB, free: 6.863 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.593e-06/0.9501, allocations: 3.359 kB / 0.7825 GB, free: 6.863 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001141/0.9513, allocations: 0.7086 MB / 0.7831 GB, free: 6.66 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003378/0.9516, allocations: 124.5 kB / 0.7833 GB, free: 6.609 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001137/0.9517, allocations: 9.812 kB / 0.7833 GB, free: 6.609 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004058/0.9521, allocations: 10.64 kB / 0.7833 GB, free: 6.609 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.5e-05/0.9522, allocations: 31.97 kB / 0.7833 GB, free: 6.605 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.798e-05/0.9522, allocations: 20.03 kB / 0.7833 GB, free: 6.605 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0007977/0.953, allocations: 0.6224 MB / 0.7839 GB, free: 6.496 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1e-07/0.953, allocations: 0 / 0.7839 GB, free: 6.496 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.001481/0.9545, allocations: 385.4 kB / 0.7843 GB, free: 6.465 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 2 (volume.medium.p,volume.medium.T) * 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 (33): * Single equations (assignments): 31 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.00154/0.9561, allocations: 0.6353 MB / 0.7849 GB, free: 6.293 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.001238/0.9573, allocations: 0.6513 MB / 0.7856 GB, free: 6.273 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 3.467e-06/0.9573, allocations: 0 / 0.7856 GB, free: 6.273 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.000866/0.9582, allocations: 362.5 kB / 0.7859 GB, free: 6.16 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001731/0.9599, allocations: 435.3 kB / 0.7863 GB, free: 6.078 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002799/0.9627, allocations: 1.64 MB / 0.7879 GB, free: 5.395 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009026/0.9636, allocations: 1.026 MB / 0.7889 GB, free: 4.684 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001294/0.9649, allocations: 383.2 kB / 0.7893 GB, free: 4.621 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002297/0.9651, allocations: 83.64 kB / 0.7894 GB, free: 4.609 MB / 0.5762 GB Notification: Performance of SimCode: time 1.332e-06/0.9651, allocations: 0 / 0.7894 GB, free: 4.609 MB / 0.5762 GB Notification: Performance of Templates: time 0.03971/1.005, allocations: 22.64 MB / 0.8115 GB, free: 6.656 MB / 0.5919 GB " [Timeout remaining time 659] make -j1 -f ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition.makefile [Timeout 660] (rm -f ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition.pipe ; mkfifo ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition.pipe ; head -c 1048576 < ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition.pipe >> ../files/ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition.sim & ./ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition.pipe 2>&1) [Timeout 480] diffSimulationResults("ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/ModelicaTest/Media/TestsWithFluid/MediaTestModels/IdealGases/SimpleNaturalGasFixedComposition/SimpleNaturalGasFixedComposition.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.1.0-beta.om_ModelicaTest.Media.TestsWithFluid.MediaTestModels.IdealGases.SimpleNaturalGasFixedComposition.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: 6.555336257442832]