Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.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 0.001366/0.001366, allocations: 100.8 kB / 19.74 MB, free: 2.066 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 0.001527/0.001527, allocations: 213.4 kB / 23.04 MB, free: 4.844 MB / 14.72 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 1.432/1.432, allocations: 230.6 MB / 256.8 MB, free: 7.75 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.101/3.101, allocations: 0.49 GB / 0.7959 GB, free: 35.61 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.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.Actuators.Dampers.Examples.MixingBox,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|mixBox.damOA.m_flow|mixBox.damExh.m_flow|mixBox.damRec.m_flow",fileNamePrefix="Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox") translateModel(Buildings.Fluid.Actuators.Dampers.Examples.MixingBox,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|mixBox.damOA.m_flow|mixBox.damExh.m_flow|mixBox.damRec.m_flow",fileNamePrefix="Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox") [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002036/0.002036, allocations: 70.03 kB / 1.155 GB, free: 25.15 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3862/0.3883, allocations: 176.1 MB / 1.327 GB, free: 0.9961 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Actuators.Dampers.Examples.MixingBox): time 0.2093/0.5976, allocations: 167.6 MB / 1.491 GB, free: 8.738 MB / 1.186 GB Notification: Performance of NFInst.instExpressions: time 0.007481/0.6051, allocations: 4.012 MB / 1.495 GB, free: 4.723 MB / 1.186 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001054/0.6061, allocations: 39.62 kB / 1.495 GB, free: 4.684 MB / 1.186 GB Notification: Performance of NFTyping.typeComponents: time 0.001387/0.6075, allocations: 492.8 kB / 1.495 GB, free: 4.199 MB / 1.186 GB Notification: Performance of NFTyping.typeBindings: time 0.003993/0.6115, allocations: 1.595 MB / 1.497 GB, free: 2.598 MB / 1.186 GB Notification: Performance of NFTyping.typeClassSections: time 0.003473/0.615, allocations: 1.369 MB / 1.498 GB, free: 1.242 MB / 1.186 GB Notification: Performance of NFFlatten.flatten: time 0.002987/0.618, allocations: 2.198 MB / 1.5 GB, free: 15.04 MB / 1.201 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001386/0.6194, allocations: 0.9054 MB / 1.501 GB, free: 14.11 MB / 1.201 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002178/0.6215, allocations: 1.211 MB / 1.502 GB, free: 12.9 MB / 1.201 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00121/0.6227, allocations: 0.8365 MB / 1.503 GB, free: 12.06 MB / 1.201 GB Notification: Performance of NFPackage.collectConstants: time 0.0002143/0.623, allocations: 140 kB / 1.503 GB, free: 11.92 MB / 1.201 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00209/0.625, allocations: 1.033 MB / 1.504 GB, free: 10.89 MB / 1.201 GB Notification: Performance of NFScalarize.scalarize: time 0.0004332/0.6255, allocations: 418.7 kB / 1.505 GB, free: 10.48 MB / 1.201 GB Notification: Performance of NFVerifyModel.verify: time 0.0005996/0.6261, allocations: 0.5327 MB / 1.505 GB, free: 9.941 MB / 1.201 GB Notification: Performance of NFConvertDAE.convert: time 0.002573/0.6287, allocations: 1.935 MB / 1.507 GB, free: 8 MB / 1.201 GB Notification: Performance of FrontEnd - DAE generated: time 7.855e-06/0.6287, allocations: 4 kB / 1.507 GB, free: 7.996 MB / 1.201 GB Notification: Performance of FrontEnd: time 1.603e-06/0.6287, allocations: 4 kB / 1.507 GB, free: 7.992 MB / 1.201 GB Notification: Performance of Transformations before backend: time 1.467e-05/0.6287, allocations: 0 / 1.507 GB, free: 7.992 MB / 1.201 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 116 * Number of variables: 116 Notification: Performance of Generate backend data structure: time 0.004007/0.6327, allocations: 1.608 MB / 1.509 GB, free: 6.348 MB / 1.201 GB Notification: Performance of prepare preOptimizeDAE: time 4.048e-05/0.6327, allocations: 12.03 kB / 1.509 GB, free: 6.336 MB / 1.201 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001875/0.6346, allocations: 307 kB / 1.509 GB, free: 6.035 MB / 1.201 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002027/0.6366, allocations: 0.9916 MB / 1.51 GB, free: 5 MB / 1.201 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.765e-05/0.6367, allocations: 41 kB / 1.51 GB, free: 4.961 MB / 1.201 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001165/0.6368, allocations: 63.94 kB / 1.51 GB, free: 4.898 MB / 1.201 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001346/0.6381, allocations: 0.7024 MB / 1.511 GB, free: 4.176 MB / 1.201 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.436e-05/0.6381, allocations: 0 / 1.511 GB, free: 4.176 MB / 1.201 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.222e-05/0.6382, allocations: 20 kB / 1.511 GB, free: 4.156 MB / 1.201 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.261e-05/0.6382, allocations: 8 kB / 1.511 GB, free: 4.148 MB / 1.201 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001396/0.6396, allocations: 0.6402 MB / 1.511 GB, free: 3.504 MB / 1.201 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 0.003776/0.6434, allocations: 1.847 MB / 1.513 GB, free: 1.625 MB / 1.201 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001167/0.6446, allocations: 0.5098 MB / 1.514 GB, free: 1.105 MB / 1.201 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000687/0.6453, allocations: 340.6 kB / 1.514 GB, free: 0.7695 MB / 1.201 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003069/0.6456, allocations: 59.95 kB / 1.514 GB, free: 0.7109 MB / 1.201 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.264e-05/0.6456, allocations: 34.56 kB / 1.514 GB, free: 0.668 MB / 1.201 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0008489/0.6464, allocations: 175.8 kB / 1.514 GB, free: 0.4961 MB / 1.201 GB Notification: Performance of pre-optimization done (n=41): time 2.224e-06/0.6465, allocations: 3.938 kB / 1.514 GB, free: 0.4922 MB / 1.201 GB Notification: Performance of matching and sorting (n=41): time 0.002523/0.649, allocations: 1.012 MB / 1.515 GB, free: 15.47 MB / 1.217 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.527e-05/0.649, allocations: 55.41 kB / 1.515 GB, free: 15.41 MB / 1.217 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001835/0.6509, allocations: 1.135 MB / 1.516 GB, free: 14.25 MB / 1.217 GB Notification: Performance of collectPreVariables (initialization): time 7.144e-05/0.6509, allocations: 45.7 kB / 1.517 GB, free: 14.2 MB / 1.217 GB Notification: Performance of collectInitialEqns (initialization): time 0.000386/0.6513, allocations: 429.2 kB / 1.517 GB, free: 13.77 MB / 1.217 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001439/0.6515, allocations: 138.8 kB / 1.517 GB, free: 13.64 MB / 1.217 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002114/0.6517, allocations: 121.6 kB / 1.517 GB, free: 13.51 MB / 1.217 GB Notification: Performance of setup shared object (initialization): time 0.0001652/0.6518, allocations: 322 kB / 1.517 GB, free: 13.19 MB / 1.217 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006305/0.6525, allocations: 272.4 kB / 1.518 GB, free: 12.92 MB / 1.217 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001214/0.6537, allocations: 1.16 MB / 1.519 GB, free: 11.52 MB / 1.217 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001314/0.655, allocations: 0.5713 MB / 1.519 GB, free: 10.95 MB / 1.217 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.417e-06/0.655, allocations: 0 / 1.519 GB, free: 10.95 MB / 1.217 GB Notification: Performance of matching and sorting (n=42) (initialization): time 0.001686/0.6567, allocations: 0.7304 MB / 1.52 GB, free: 10.21 MB / 1.217 GB Notification: Performance of prepare postOptimizeDAE: time 2.294e-05/0.6567, allocations: 15.94 kB / 1.52 GB, free: 10.2 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.332e-06/0.6567, allocations: 0 / 1.52 GB, free: 10.2 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.708e-05/0.6567, allocations: 0 / 1.52 GB, free: 10.2 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006189/0.6574, allocations: 103.8 kB / 1.52 GB, free: 10.09 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.294e-06/0.6574, allocations: 4 kB / 1.52 GB, free: 10.09 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001126/0.6585, allocations: 99.84 kB / 1.52 GB, free: 9.992 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.935e-05/0.6585, allocations: 23.98 kB / 1.52 GB, free: 9.969 MB / 1.217 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0008903/0.6594, allocations: 459.9 kB / 1.521 GB, free: 9.516 MB / 1.217 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001177/0.6606, allocations: 1.152 MB / 1.522 GB, free: 8.117 MB / 1.217 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001269/0.6619, allocations: 0.5643 MB / 1.523 GB, free: 7.547 MB / 1.217 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.804e-06/0.6619, allocations: 0 / 1.523 GB, free: 7.547 MB / 1.217 GB Notification: Performance of matching and sorting (n=42) (initialization_lambda0): time 0.001623/0.6635, allocations: 0.7309 MB / 1.523 GB, free: 6.809 MB / 1.217 GB Notification: Performance of prepare postOptimizeDAE: time 1.121e-05/0.6635, allocations: 4 kB / 1.523 GB, free: 6.805 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.415e-06/0.6635, allocations: 0 / 1.523 GB, free: 6.805 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.666e-06/0.6635, allocations: 7.938 kB / 1.523 GB, free: 6.797 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005725/0.6641, allocations: 107.8 kB / 1.523 GB, free: 6.691 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.448e-06/0.6641, allocations: 0 / 1.523 GB, free: 6.691 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001244/0.6654, allocations: 124.3 kB / 1.523 GB, free: 6.566 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.094e-05/0.6654, allocations: 23.97 kB / 1.523 GB, free: 6.543 MB / 1.217 GB Notification: Model statistics after passing the back-end for initialization: * 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 initialization (42): * Single equations (assignments): 42 * 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 0.0003007/0.6657, allocations: 200.2 kB / 1.524 GB, free: 6.34 MB / 1.217 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002334/0.6659, allocations: 103.3 kB / 1.524 GB, free: 6.238 MB / 1.217 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001971/0.6679, allocations: 0.8018 MB / 1.525 GB, free: 5.426 MB / 1.217 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.347e-06/0.6679, allocations: 7.984 kB / 1.525 GB, free: 5.418 MB / 1.217 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.943e-06/0.6679, allocations: 0 / 1.525 GB, free: 5.418 MB / 1.217 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.114e-06/0.6679, allocations: 0 / 1.525 GB, free: 5.418 MB / 1.217 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003395/0.6713, allocations: 1.641 MB / 1.526 GB, free: 3.711 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.02e-05/0.6713, allocations: 8 kB / 1.526 GB, free: 3.703 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005719/0.6719, allocations: 112.1 kB / 1.526 GB, free: 3.594 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.083e-05/0.6719, allocations: 4 kB / 1.526 GB, free: 3.59 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.825e-05/0.672, allocations: 12 kB / 1.526 GB, free: 3.578 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.509e-05/0.672, allocations: 7.938 kB / 1.526 GB, free: 3.57 MB / 1.217 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.833e-06/0.672, allocations: 7.938 kB / 1.526 GB, free: 3.562 MB / 1.217 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002336/0.6743, allocations: 1.232 MB / 1.528 GB, free: 2.285 MB / 1.217 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005039/0.6748, allocations: 195.2 kB / 1.528 GB, free: 2.094 MB / 1.217 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001251/0.675, allocations: 16.06 kB / 1.528 GB, free: 2.078 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009273/0.6759, allocations: 63.91 kB / 1.528 GB, free: 2.016 MB / 1.217 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000131/0.676, allocations: 43.86 kB / 1.528 GB, free: 1.973 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.113e-05/0.6761, allocations: 20 kB / 1.528 GB, free: 1.953 MB / 1.217 GB Notification: Performance of sorting global known variables: time 0.001327/0.6774, allocations: 0.8235 MB / 1.529 GB, free: 1.117 MB / 1.217 GB Notification: Performance of sort global known variables: time 9e-08/0.6774, allocations: 0 / 1.529 GB, free: 1.117 MB / 1.217 GB Notification: Performance of remove unused functions: time 0.001175/0.6786, allocations: 415.3 kB / 1.529 GB, free: 0.7109 MB / 1.217 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * Number of states: 1 (mixBox.actPos.y) * 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 (50): * Single equations (assignments): 50 * 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 0.0003758/0.6789, allocations: 198.9 kB / 1.529 GB, free: 0.5078 MB / 1.217 GB Notification: Performance of simCode: created initialization part: time 0.002106/0.681, allocations: 0.9004 MB / 1.53 GB, free: 15.61 MB / 1.232 GB Notification: Performance of simCode: created event and clocks part: time 2.896e-06/0.681, allocations: 0 / 1.53 GB, free: 15.61 MB / 1.232 GB Notification: Performance of simCode: created simulation system equations: time 0.0007052/0.6817, allocations: 324.4 kB / 1.53 GB, free: 15.29 MB / 1.232 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001773/0.6835, allocations: 377 kB / 1.531 GB, free: 14.93 MB / 1.232 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002611/0.6861, allocations: 1.651 MB / 1.532 GB, free: 13.21 MB / 1.232 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004472/0.6866, allocations: 440.9 kB / 1.533 GB, free: 12.74 MB / 1.232 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003402/0.6869, allocations: 91.38 kB / 1.533 GB, free: 12.65 MB / 1.232 GB Notification: Performance of SimCode: time 3.4e-07/0.6869, allocations: 4 kB / 1.533 GB, free: 12.65 MB / 1.232 GB Notification: Performance of Templates: time 0.02483/0.7118, allocations: 15.85 MB / 1.548 GB, free: 12.93 MB / 1.248 GB " [Timeout remaining time 299] make -j1 -f Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.pipe ; mkfifo Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.pipe >> ../files/Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.sim & ./Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Actuators_Dampers_Examples_MixingBox.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Actuators.Dampers.Examples.MixingBox.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: 13.577959375921637]