Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6.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 0.001802/0.001802, allocations: 88.72 kB / 19.44 MB, free: 356 kB / 13.93 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 0.001618/0.001618, allocations: 161.7 kB / 22.76 MB, free: 1.68 MB / 18.57 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 1.453/1.453, allocations: 177.1 MB / 203.1 MB, free: 5.582 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.002633/0.002633, allocations: 225.4 kB / 259.8 MB, free: 12.83 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 1.07/1.07, allocations: 138.4 MB / 454.7 MB, free: 1.449 MB / 362.7 MB " [Timeout remaining time 179] Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/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(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6,tolerance=1e-06,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6") translateModel(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6,tolerance=1e-06,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.783e-06/1.783e-06, allocations: 0 / 0.5543 GB, free: 0.8516 MB / 474.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.87e-05/3.049e-05, allocations: 2.312 kB / 0.5543 GB, free: 0.8477 MB / 474.7 MB Notification: Performance of NFInst.instantiate(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6): time 0.3667/0.3667, allocations: 138.6 MB / 0.6897 GB, free: 14.59 MB / 0.5105 GB Notification: Performance of NFInst.instExpressions: time 0.03664/0.4033, allocations: 19.82 MB / 0.709 GB, free: 11.96 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002652/0.406, allocations: 71.44 kB / 0.7091 GB, free: 11.89 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.0038/0.4098, allocations: 1.359 MB / 0.7104 GB, free: 10.52 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.003962/0.4138, allocations: 1.054 MB / 0.7115 GB, free: 9.465 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.002353/0.4161, allocations: 438.6 kB / 0.7119 GB, free: 9.035 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.003779/0.4199, allocations: 1.506 MB / 0.7133 GB, free: 7.527 MB / 0.5261 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00197/0.4219, allocations: 0.6648 MB / 0.714 GB, free: 6.855 MB / 0.5261 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002552/0.4244, allocations: 0.8302 MB / 0.7148 GB, free: 6.023 MB / 0.5261 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002983/0.4274, allocations: 1.137 MB / 0.7159 GB, free: 4.883 MB / 0.5261 GB Notification: Performance of NFPackage.collectConstants: time 0.0002776/0.4277, allocations: 72 kB / 0.716 GB, free: 4.812 MB / 0.5261 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0006068/0.4283, allocations: 123.9 kB / 0.7161 GB, free: 4.691 MB / 0.5261 GB Notification: Performance of NFScalarize.scalarize: time 0.0006922/0.429, allocations: 392.4 kB / 0.7165 GB, free: 4.309 MB / 0.5261 GB Notification: Performance of NFVerifyModel.verify: time 0.0008195/0.4298, allocations: 322.9 kB / 0.7168 GB, free: 3.992 MB / 0.5261 GB Notification: Performance of NFConvertDAE.convert: time 0.003064/0.4329, allocations: 1.355 MB / 0.7181 GB, free: 2.633 MB / 0.5261 GB Notification: Performance of FrontEnd - DAE generated: time 4.919e-06/0.4329, allocations: 0 / 0.7181 GB, free: 2.633 MB / 0.5261 GB Notification: Performance of FrontEnd: time 1.643e-06/0.4329, allocations: 0 / 0.7181 GB, free: 2.633 MB / 0.5261 GB Notification: Performance of Transformations before backend: time 3.601e-05/0.4329, allocations: 4 kB / 0.7181 GB, free: 2.629 MB / 0.5261 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 121 * Number of variables: 121 Notification: Performance of Generate backend data structure: time 0.005334/0.4382, allocations: 1.709 MB / 0.7198 GB, free: 0.8789 MB / 0.5261 GB Notification: Performance of prepare preOptimizeDAE: time 4.962e-05/0.4383, allocations: 8.75 kB / 0.7198 GB, free: 0.8711 MB / 0.5261 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006891/0.439, allocations: 211.8 kB / 0.72 GB, free: 0.6641 MB / 0.5261 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002098/0.4411, allocations: 0.7193 MB / 0.7207 GB, free: 15.9 MB / 0.5417 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002758/0.4413, allocations: 104.3 kB / 0.7208 GB, free: 15.79 MB / 0.5417 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001851/0.4415, allocations: 55.98 kB / 0.7208 GB, free: 15.73 MB / 0.5417 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002052/0.4436, allocations: 0.5692 MB / 0.7214 GB, free: 15.15 MB / 0.5417 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.034e-05/0.4436, allocations: 8 kB / 0.7214 GB, free: 15.14 MB / 0.5417 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.236e-05/0.4437, allocations: 19.94 kB / 0.7214 GB, free: 15.12 MB / 0.5417 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.374e-05/0.4437, allocations: 12 kB / 0.7214 GB, free: 15.11 MB / 0.5417 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001915/0.4456, allocations: 451.6 kB / 0.7219 GB, free: 14.67 MB / 0.5417 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 0.007014/0.4526, allocations: 1.985 MB / 0.7238 GB, free: 12.64 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002148/0.4548, allocations: 480 kB / 0.7243 GB, free: 12.16 MB / 0.5417 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001287/0.4561, allocations: 289.4 kB / 0.7245 GB, free: 11.88 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 5.27e-05/0.4561, allocations: 8.375 kB / 0.7246 GB, free: 11.87 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00127/0.4574, allocations: 341.8 kB / 0.7249 GB, free: 11.52 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=52): time 3.998e-06/0.4574, allocations: 0 / 0.7249 GB, free: 11.52 MB / 0.5417 GB Notification: Performance of matching and sorting (n=52): time 0.005988/0.4634, allocations: 1.231 MB / 0.7261 GB, free: 10.29 MB / 0.5417 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.063e-05/0.4635, allocations: 67.84 kB / 0.7261 GB, free: 10.21 MB / 0.5417 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004729/0.4682, allocations: 2.14 MB / 0.7282 GB, free: 8.051 MB / 0.5417 GB Notification: Performance of collectPreVariables (initialization): time 0.0001207/0.4683, allocations: 37.7 kB / 0.7283 GB, free: 8.008 MB / 0.5417 GB Notification: Performance of collectInitialEqns (initialization): time 0.001087/0.4694, allocations: 0.621 MB / 0.7289 GB, free: 7.379 MB / 0.5417 GB Notification: Performance of collectInitialBindings (initialization): time 0.000355/0.4698, allocations: 174.5 kB / 0.729 GB, free: 7.207 MB / 0.5417 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003304/0.4701, allocations: 102.3 kB / 0.7291 GB, free: 7.102 MB / 0.5417 GB Notification: Performance of setup shared object (initialization): time 0.0002955/0.4704, allocations: 334 kB / 0.7295 GB, free: 6.77 MB / 0.5417 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001063/0.4715, allocations: 233.2 kB / 0.7297 GB, free: 6.543 MB / 0.5417 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001196/0.4727, allocations: 353.9 kB / 0.73 GB, free: 6.156 MB / 0.5417 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002012/0.4747, allocations: 0.5526 MB / 0.7306 GB, free: 5.566 MB / 0.5417 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.291e-05/0.4747, allocations: 4 kB / 0.7306 GB, free: 5.562 MB / 0.5417 GB Notification: Performance of matching and sorting (n=75) (initialization): time 0.00308/0.4778, allocations: 0.9566 MB / 0.7315 GB, free: 4.598 MB / 0.5417 GB Notification: Performance of prepare postOptimizeDAE: time 2.259e-05/0.4778, allocations: 4 kB / 0.7315 GB, free: 4.594 MB / 0.5417 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.638e-05/0.4778, allocations: 4 kB / 0.7315 GB, free: 4.59 MB / 0.5417 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009615/0.4788, allocations: 192.8 kB / 0.7317 GB, free: 4.398 MB / 0.5417 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006105/0.4794, allocations: 115.8 kB / 0.7318 GB, free: 4.285 MB / 0.5417 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004894/0.4843, allocations: 2.903 MB / 0.7346 GB, free: 1.289 MB / 0.5417 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000588/0.4849, allocations: 79.62 kB / 0.7347 GB, free: 1.211 MB / 0.5417 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.107e-05/0.4849, allocations: 20 kB / 0.7347 GB, free: 1.191 MB / 0.5417 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 24 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition6,$PRE.intGai.nextTimeEvent,$whenCondition5,$PRE.reference.nextTimeEvent,$whenCondition4,$PRE.setTemp.nextTimeEvent,$whenCondition3,$whenCondition1,reference.nextTimeEvent,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,assEqu.satisfied,$PRE.assEqu.satisfied,mean.y_last,$PRE.mean.y_last,$whenCondition2,intGai.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,setTemp.nextTimeEvent,setTemp.nextTimeEventScaled,$PRE.setTemp.nextTimeEventScaled) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (57): * Single equations (assignments): 56 * 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): 1 system {(2,17,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0007551/0.4857, allocations: 445.1 kB / 0.7352 GB, free: 0.75 MB / 0.5417 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003132/0.486, allocations: 167 kB / 0.7353 GB, free: 0.5859 MB / 0.5417 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002062/0.4881, allocations: 0.8606 MB / 0.7362 GB, free: 15.71 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.538e-06/0.4881, allocations: 8 kB / 0.7362 GB, free: 15.7 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.889e-06/0.4881, allocations: 0 / 0.7362 GB, free: 15.7 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.085e-05/0.4881, allocations: 7.984 kB / 0.7362 GB, free: 15.69 MB / 0.5573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003399/0.4915, allocations: 1.612 MB / 0.7377 GB, free: 14.03 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.078e-06/0.4915, allocations: 4 kB / 0.7377 GB, free: 14.03 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002896/0.4918, allocations: 57.58 kB / 0.7378 GB, free: 13.97 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006856/0.4925, allocations: 210.1 kB / 0.738 GB, free: 13.76 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.381e-05/0.4925, allocations: 19.92 kB / 0.738 GB, free: 13.74 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005676/0.4982, allocations: 4.316 MB / 0.7422 GB, free: 9.234 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.693e-06/0.4982, allocations: 0 / 0.7422 GB, free: 9.234 MB / 0.5573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002637/0.5008, allocations: 1.22 MB / 0.7434 GB, free: 7.988 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004012/0.5012, allocations: 170.9 kB / 0.7436 GB, free: 7.82 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001584/0.5014, allocations: 21 kB / 0.7436 GB, free: 7.801 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003983/0.5018, allocations: 31.95 kB / 0.7436 GB, free: 7.77 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001888/0.502, allocations: 64.39 kB / 0.7437 GB, free: 7.707 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.768e-05/0.502, allocations: 23.92 kB / 0.7437 GB, free: 7.684 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.002193/0.5042, allocations: 1.56 MB / 0.7452 GB, free: 6.125 MB / 0.5573 GB Notification: Performance of sort global known variables: time 8e-08/0.5042, allocations: 0 / 0.7452 GB, free: 6.125 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.0009309/0.5052, allocations: 227.7 kB / 0.7455 GB, free: 5.902 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (mean.x,assEqu.diff,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,thermalZoneTwoElements.extWallRC.thermCapExt[1].T) * Number of discrete variables: 15 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,mean.y_last,assEqu.nFai,assEqu.satisfied,setTemp.nextTimeEventScaled,setTemp.nextTimeEvent,reference.nextTimeEventScaled,reference.nextTimeEvent,intGai.nextTimeEventScaled,intGai.nextTimeEvent) * Number of discrete states: 9 (intGai.nextTimeEvent,reference.nextTimeEvent,setTemp.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,setTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (37): * Single equations (assignments): 27 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 8 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,14,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.002396/0.5075, allocations: 0.5102 MB / 0.746 GB, free: 5.664 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.001938/0.5095, allocations: 0.749 MB / 0.7467 GB, free: 4.906 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 2.725e-06/0.5095, allocations: 0 / 0.7467 GB, free: 4.906 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.001183/0.5107, allocations: 0.5798 MB / 0.7473 GB, free: 4.301 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00123/0.5119, allocations: 245.5 kB / 0.7475 GB, free: 4.09 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005157/0.5171, allocations: 2.812 MB / 0.7502 GB, free: 1.23 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009387/0.518, allocations: 0.6594 MB / 0.7509 GB, free: 0.543 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.0003841/0.5184, allocations: 95.95 kB / 0.751 GB, free: 464 kB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001647/0.5185, allocations: 56.48 kB / 0.751 GB, free: 408 kB / 0.5573 GB Notification: Performance of SimCode: time 1.353e-06/0.5185, allocations: 0 / 0.751 GB, free: 408 kB / 0.5573 GB Notification: Performance of Templates: time 0.02522/0.5438, allocations: 11.84 MB / 0.7626 GB, free: 4.801 MB / 0.573 GB " [Timeout remaining time 659] make -j1 -f BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6.makefile [Timeout 660] (rm -f BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6.pipe ; mkfifo BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6.pipe >> ../files/BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6.sim & ./BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6 -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase6.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 6.887363381916657]