Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.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 0.001957/0.001957, allocations: 93.47 kB / 20.21 MB, free: 4.207 MB / 18.57 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 0.001981/0.001981, allocations: 169.2 kB / 23.53 MB, free: 0.8906 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 1.58/1.58, allocations: 177.1 MB / 203.9 MB, free: 5.598 MB / 186.7 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 1.034/1.034, allocations: 115 MB / 375.3 MB, free: 7.566 MB / 346.7 MB
"
[Timeout remaining time 179]
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 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(IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse,tolerance=1e-06,outputFormat="empty",numberOfIntervals=30000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse")
translateModel(IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse,tolerance=1e-06,outputFormat="empty",numberOfIntervals=30000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 2.244e-06/2.244e-06, allocations: 3.938 kB / 480.7 MB, free: 11.92 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.818e-05/3.043e-05, allocations: 2.312 kB / 480.7 MB, free: 11.92 MB / 410.7 MB
Notification: Performance of NFInst.instantiate(IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse): time 0.6322/0.6322, allocations: 194.6 MB / 0.6595 GB, free: 12.36 MB / 0.5573 GB
Notification: Performance of NFInst.instExpressions: time 0.01629/0.6485, allocations: 10.11 MB / 0.6694 GB, free: 12.25 MB / 0.5573 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003049/0.6515, allocations: 63 kB / 0.6694 GB, free: 12.25 MB / 0.5573 GB
Notification: Performance of NFTyping.typeComponents: time 0.002293/0.6538, allocations: 0.7524 MB / 0.6702 GB, free: 12.23 MB / 0.5573 GB
Notification: Performance of NFTyping.typeBindings: time 0.008007/0.6618, allocations: 2.621 MB / 0.6727 GB, free: 12.14 MB / 0.5573 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00463/0.6664, allocations: 1.687 MB / 0.6744 GB, free: 12.1 MB / 0.5573 GB
Notification: Performance of NFFlatten.flatten: time 0.007108/0.6736, allocations: 4.469 MB / 0.6787 GB, free: 11.6 MB / 0.5573 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.004249/0.6778, allocations: 1.653 MB / 0.6803 GB, free: 27.43 MB / 0.573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.006666/0.6845, allocations: 2.448 MB / 0.6827 GB, free: 27.24 MB / 0.573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004078/0.6885, allocations: 1.326 MB / 0.684 GB, free: 27.12 MB / 0.573 GB
Notification: Performance of NFPackage.collectConstants: time 0.001062/0.6896, allocations: 296.6 kB / 0.6843 GB, free: 27.12 MB / 0.573 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.007832/0.6974, allocations: 1.967 MB / 0.6862 GB, free: 26.96 MB / 0.573 GB
Notification: Performance of NFScalarize.scalarize: time 0.001363/0.6988, allocations: 0.9177 MB / 0.6871 GB, free: 26.85 MB / 0.573 GB
Notification: Performance of NFVerifyModel.verify: time 0.002435/0.7012, allocations: 0.9638 MB / 0.6881 GB, free: 26.75 MB / 0.573 GB
Notification: Performance of NFConvertDAE.convert: time 0.01071/0.7119, allocations: 4.775 MB / 0.6927 GB, free: 26.36 MB / 0.573 GB
Notification: Performance of FrontEnd - DAE generated: time 5.501e-06/0.712, allocations: 1.062 kB / 0.6927 GB, free: 26.36 MB / 0.573 GB
Notification: Performance of FrontEnd: time 1.984e-06/0.712, allocations: 0 / 0.6927 GB, free: 26.36 MB / 0.573 GB
Notification: Performance of Transformations before backend: time 0.0001489/0.7121, allocations: 0 / 0.6927 GB, free: 26.36 MB / 0.573 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 526
 * Number of variables: 526
Notification: Performance of Generate backend data structure: time 0.0095/0.7216, allocations: 3.224 MB / 0.6959 GB, free: 24.99 MB / 0.573 GB
Notification: Performance of prepare preOptimizeDAE: time 4.368e-05/0.7216, allocations: 8.656 kB / 0.6959 GB, free: 24.99 MB / 0.573 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007071/0.7287, allocations: 1.126 MB / 0.697 GB, free: 24.74 MB / 0.573 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004012/0.7327, allocations: 1.507 MB / 0.6985 GB, free: 24.33 MB / 0.573 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001538/0.7329, allocations: 161.6 kB / 0.6986 GB, free: 24.33 MB / 0.573 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005121/0.7334, allocations: 208.9 kB / 0.6988 GB, free: 24.33 MB / 0.573 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.005325/0.7387, allocations: 2.821 MB / 0.7016 GB, free: 23.63 MB / 0.573 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.345e-05/0.7388, allocations: 4.297 kB / 0.7016 GB, free: 23.63 MB / 0.573 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002662/0.739, allocations: 85.31 kB / 0.7017 GB, free: 23.62 MB / 0.573 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001134/0.7392, allocations: 101 kB / 0.7018 GB, free: 23.62 MB / 0.573 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005736/0.7449, allocations: 2.747 MB / 0.7044 GB, free: 23.59 MB / 0.573 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 0.0153/0.7602, allocations: 7.42 MB / 0.7117 GB, free: 21.66 MB / 0.573 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004375/0.7646, allocations: 2.145 MB / 0.7138 GB, free: 21.28 MB / 0.573 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001911/0.7665, allocations: 0.9233 MB / 0.7147 GB, free: 21.01 MB / 0.573 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003541/0.7668, allocations: 90.95 kB / 0.7148 GB, free: 21 MB / 0.573 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002582/0.7694, allocations: 1.576 MB / 0.7163 GB, free: 20.28 MB / 0.573 GB
Notification: Performance of pre-optimization done (n=224): time 4.638e-06/0.7694, allocations: 1.094 kB / 0.7163 GB, free: 20.28 MB / 0.573 GB
Notification: Performance of matching and sorting (n=224): time 0.007973/0.7774, allocations: 2.963 MB / 0.7192 GB, free: 19.39 MB / 0.573 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001709/0.7776, allocations: 216.8 kB / 0.7194 GB, free: 19.16 MB / 0.573 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001852/0.7794, allocations: 1.343 MB / 0.7207 GB, free: 18.55 MB / 0.573 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003428/0.7798, allocations: 70.7 kB / 0.7208 GB, free: 18.49 MB / 0.573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007203/0.7805, allocations: 0.9245 MB / 0.7217 GB, free: 17.78 MB / 0.573 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007318/0.7812, allocations: 0.8332 MB / 0.7225 GB, free: 17.14 MB / 0.573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007833/0.782, allocations: 494.3 kB / 0.723 GB, free: 16.91 MB / 0.573 GB
Notification: Performance of setup shared object (initialization): time 0.0002529/0.7822, allocations: 484.7 kB / 0.7234 GB, free: 16.43 MB / 0.573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001743/0.784, allocations: 0.8082 MB / 0.7242 GB, free: 16.21 MB / 0.573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002155/0.7861, allocations: 1.326 MB / 0.7255 GB, free: 15.53 MB / 0.573 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.003675/0.7898, allocations: 2.001 MB / 0.7275 GB, free: 14.75 MB / 0.573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.969e-06/0.7898, allocations: 9.688 kB / 0.7275 GB, free: 14.74 MB / 0.573 GB
Notification: Performance of matching and sorting (n=277) (initialization): time 0.005542/0.7954, allocations: 2.423 MB / 0.7299 GB, free: 13.71 MB / 0.573 GB
Notification: Performance of prepare postOptimizeDAE: time 2.745e-05/0.7954, allocations: 11.38 kB / 0.7299 GB, free: 13.71 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.4e-05/0.7954, allocations: 0.8125 kB / 0.7299 GB, free: 13.71 MB / 0.573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0009627/0.7964, allocations: 146.7 kB / 0.73 GB, free: 13.66 MB / 0.573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00284/0.7992, allocations: 496.3 kB / 0.7305 GB, free: 13.57 MB / 0.573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00312/0.8023, allocations: 2.044 MB / 0.7325 GB, free: 11.61 MB / 0.573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003863/0.8062, allocations: 227.4 kB / 0.7327 GB, free: 11.46 MB / 0.573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005568/0.8068, allocations: 87.98 kB / 0.7328 GB, free: 11.43 MB / 0.573 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 8
 * Number of states: 0 ()
 * Number of discrete variables: 27 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,weaDat.decAng.k,$PRE.weaDat.decAng.k,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.k,$PRE.weaDat.eqnTim.k,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.k,$PRE.weaDat.conTim.k,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.k,$PRE.weaDat.conTimMin.k,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.k,$PRE.weaDat.locTim.k,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (275):
 * Single equations (assignments): 274
 * 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
   {(1,2)}
Notification: Performance of prepare postOptimizeDAE: time 0.001563/0.8083, allocations: 434 kB / 0.7332 GB, free: 11.12 MB / 0.573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009206/0.8092, allocations: 242.4 kB / 0.7334 GB, free: 11 MB / 0.573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007328/0.8166, allocations: 2.487 MB / 0.7358 GB, free: 9.742 MB / 0.573 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.197e-05/0.8166, allocations: 23.78 kB / 0.7359 GB, free: 9.742 MB / 0.573 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 8.696e-06/0.8166, allocations: 0.5938 kB / 0.7359 GB, free: 9.742 MB / 0.573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.005555/0.8222, allocations: 2.253 MB / 0.7381 GB, free: 8.535 MB / 0.573 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01395/0.8361, allocations: 5.262 MB / 0.7432 GB, free: 5.457 MB / 0.573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.564e-05/0.8361, allocations: 9.469 kB / 0.7432 GB, free: 5.453 MB / 0.573 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002564/0.8387, allocations: 423 kB / 0.7436 GB, free: 5.375 MB / 0.573 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.001047/0.8397, allocations: 187.8 kB / 0.7438 GB, free: 5.293 MB / 0.573 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003386/0.8401, allocations: 67.14 kB / 0.7439 GB, free: 5.25 MB / 0.573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004626/0.8447, allocations: 3.95 MB / 0.7477 GB, free: 1.406 MB / 0.573 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.262e-06/0.8447, allocations: 7 kB / 0.7477 GB, free: 1.406 MB / 0.573 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.009117/0.8538, allocations: 3.678 MB / 0.7513 GB, free: 15.52 MB / 0.5886 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001888/0.8557, allocations: 0.5107 MB / 0.7518 GB, free: 15.14 MB / 0.5886 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005143/0.8562, allocations: 50.67 kB / 0.7519 GB, free: 15.1 MB / 0.5886 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002123/0.8583, allocations: 123.7 kB / 0.752 GB, free: 15.04 MB / 0.5886 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004485/0.8588, allocations: 165.2 kB / 0.7521 GB, free: 14.95 MB / 0.5886 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002052/0.859, allocations: 82.48 kB / 0.7522 GB, free: 14.92 MB / 0.5886 GB
Notification: Performance of sorting global known variables: time 0.001291/0.8603, allocations: 0.7991 MB / 0.753 GB, free: 14.46 MB / 0.5886 GB
Notification: Performance of sort global known variables: time 9e-08/0.8603, allocations: 0.9375 kB / 0.753 GB, free: 14.46 MB / 0.5886 GB
Notification: Performance of remove unused functions: time 0.002676/0.863, allocations: 0.8058 MB / 0.7538 GB, free: 14.27 MB / 0.5886 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 20
 * Number of states: 5 (simpleZone.volRoom.dynBal.medium.Xi[1],simpleZone.volRoom.dynBal.U,simpleZone.volRoom.dynBal.m,simpleZone.door.mExcAB,simpleZone.door.mExcBA)
 * Number of discrete variables: 15 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.locTim.k,weaDat.conTimMin.tNext,weaDat.conTimMin.k,weaDat.conTim.tNext,weaDat.conTim.k,weaDat.eqnTim.tNext,weaDat.eqnTim.k,weaDat.decAng.tNext,weaDat.decAng.k)
 * Number of discrete states: 10 (weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.locTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext,weaDat.decAng.k,weaDat.eqnTim.k,weaDat.conTim.k,weaDat.conTimMin.k,weaDat.locTim.k)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (232):
 * Single equations (assignments): 220
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 10
 * 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): 1 system
   {(1,2,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(1,3)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.003875/0.8668, allocations: 0.7762 MB / 0.7546 GB, free: 14 MB / 0.5886 GB
Notification: Performance of simCode: created initialization part: time 0.006267/0.8731, allocations: 2.293 MB / 0.7568 GB, free: 12.36 MB / 0.5886 GB
Notification: Performance of simCode: created event and clocks part: time 1.696e-05/0.8731, allocations: 4 kB / 0.7568 GB, free: 12.35 MB / 0.5886 GB
Notification: Performance of simCode: created simulation system equations: time 0.003549/0.8767, allocations: 1.478 MB / 0.7582 GB, free: 10.88 MB / 0.5886 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004648/0.8813, allocations: 0.7454 MB / 0.759 GB, free: 10.2 MB / 0.5886 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01005/0.8914, allocations: 4.245 MB / 0.7631 GB, free: 5.84 MB / 0.5886 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001474/0.8928, allocations: 0.9473 MB / 0.764 GB, free: 4.859 MB / 0.5886 GB
Notification: Performance of simCode: alias equations: time 0.003503/0.8963, allocations: 0.6782 MB / 0.7647 GB, free: 4.176 MB / 0.5886 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009925/0.8973, allocations: 196.4 kB / 0.7649 GB, free: 3.984 MB / 0.5886 GB
Notification: Performance of SimCode: time 1.964e-06/0.8973, allocations: 0 / 0.7649 GB, free: 3.984 MB / 0.5886 GB
Notification: Performance of Templates: time 0.07714/0.9745, allocations: 39.41 MB / 0.8034 GB, free: 13.34 MB / 0.6355 GB
"
[Timeout remaining time 659]
make -j1 -f IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.makefile [Timeout 660]
(rm -f IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe ; mkfifo IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe >> ../files/IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.sim & ./IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse -abortSlowSimulation -alarm=240  -lv LOG_STATS > IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 8.635415317025036]