Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries.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 0.001441/0.001441, allocations: 102.3 kB / 19.7 MB, free: 2.254 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 0.001634/0.001634, allocations: 216.9 kB / 23.01 MB, free: 4.609 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 1.333/1.333, allocations: 230.6 MB / 256.8 MB, free: 8.047 MB / 206.1 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 3.008/3.008, allocations: 0.505 GB / 0.8108 GB, free: 22.1 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.Fluid.Movers.Examples.PumpsSeries,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|floMac1.y|floMac1.dp|floMac2.dp|floMac1.m_flow|floMac2.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries") translateModel(Buildings.Fluid.Movers.Examples.PumpsSeries,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|floMac1.y|floMac1.dp|floMac2.dp|floMac1.m_flow|floMac2.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries") [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 0.002061/0.002061, allocations: 71.94 kB / 1.178 GB, free: 16.9 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.306/0.3081, allocations: 180.2 MB / 1.354 GB, free: 8.012 MB / 1.045 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Examples.PumpsSeries): time 0.05389/0.3619, allocations: 52.61 MB / 1.405 GB, free: 3.219 MB / 1.092 GB Notification: Performance of NFInst.instExpressions: time 0.02828/0.3902, allocations: 18.34 MB / 1.423 GB, free: 0.8281 MB / 1.108 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004168/0.3944, allocations: 115 kB / 1.423 GB, free: 0.7148 MB / 1.108 GB Notification: Performance of NFTyping.typeComponents: time 0.005546/0.3999, allocations: 2.006 MB / 1.425 GB, free: 14.7 MB / 1.123 GB Notification: Performance of NFTyping.typeBindings: time 0.007117/0.4071, allocations: 2.882 MB / 1.428 GB, free: 11.81 MB / 1.123 GB Notification: Performance of NFTyping.typeClassSections: time 0.005022/0.4121, allocations: 2.157 MB / 1.43 GB, free: 9.664 MB / 1.123 GB Notification: Performance of NFFlatten.flatten: time 0.02124/0.4333, allocations: 14.54 MB / 1.445 GB, free: 11.11 MB / 1.139 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002691/0.436, allocations: 1.409 MB / 1.446 GB, free: 9.656 MB / 1.139 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004775/0.4408, allocations: 2.076 MB / 1.448 GB, free: 7.578 MB / 1.139 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002597/0.4434, allocations: 1.537 MB / 1.449 GB, free: 6.035 MB / 1.139 GB Notification: Performance of NFPackage.collectConstants: time 0.000396/0.4438, allocations: 212 kB / 1.45 GB, free: 5.828 MB / 1.139 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004121/0.4479, allocations: 2.055 MB / 1.452 GB, free: 3.77 MB / 1.139 GB Notification: Performance of NFScalarize.scalarize: time 0.001018/0.4489, allocations: 0.9032 MB / 1.453 GB, free: 2.863 MB / 1.139 GB Notification: Performance of NFVerifyModel.verify: time 0.001821/0.4507, allocations: 1.36 MB / 1.454 GB, free: 1.496 MB / 1.139 GB Notification: Performance of NFConvertDAE.convert: time 0.007038/0.4578, allocations: 4.476 MB / 1.458 GB, free: 13 MB / 1.154 GB Notification: Performance of FrontEnd - DAE generated: time 4.028e-06/0.4578, allocations: 4 kB / 1.458 GB, free: 13 MB / 1.154 GB Notification: Performance of FrontEnd: time 3.667e-06/0.4578, allocations: 4 kB / 1.458 GB, free: 13 MB / 1.154 GB Notification: Performance of Transformations before backend: time 5.004e-05/0.4578, allocations: 0 / 1.458 GB, free: 13 MB / 1.154 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 249 * Number of variables: 249 Notification: Performance of Generate backend data structure: time 0.005572/0.4634, allocations: 3.137 MB / 1.461 GB, free: 9.797 MB / 1.154 GB Notification: Performance of prepare preOptimizeDAE: time 3.649e-05/0.4634, allocations: 8.031 kB / 1.461 GB, free: 9.789 MB / 1.154 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005072/0.4685, allocations: 0.9426 MB / 1.462 GB, free: 8.844 MB / 1.154 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007749/0.4763, allocations: 3.418 MB / 1.466 GB, free: 5.348 MB / 1.154 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001086/0.4764, allocations: 89.94 kB / 1.466 GB, free: 5.262 MB / 1.154 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002597/0.4766, allocations: 119.9 kB / 1.466 GB, free: 5.145 MB / 1.154 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002852/0.4795, allocations: 1.474 MB / 1.467 GB, free: 3.621 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.355e-05/0.4795, allocations: 4 kB / 1.467 GB, free: 3.617 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001066/0.4796, allocations: 47.94 kB / 1.467 GB, free: 3.57 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.201e-05/0.4796, allocations: 24 kB / 1.467 GB, free: 3.547 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003023/0.4827, allocations: 1.296 MB / 1.469 GB, free: 2.25 MB / 1.154 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 0.01008/0.4927, allocations: 7.065 MB / 1.475 GB, free: 10.74 MB / 1.17 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002877/0.4956, allocations: 1.004 MB / 1.476 GB, free: 9.73 MB / 1.17 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001161/0.4968, allocations: 484.4 kB / 1.477 GB, free: 9.254 MB / 1.17 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003393/0.5002, allocations: 1.91 MB / 1.479 GB, free: 7.324 MB / 1.17 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.605e-05/0.5002, allocations: 39.06 kB / 1.479 GB, free: 7.277 MB / 1.17 GB Notification: Performance of pre-optimization done (n=56): time 1.853e-06/0.5002, allocations: 0 / 1.479 GB, free: 7.277 MB / 1.17 GB Notification: Performance of matching and sorting (n=56): time 0.004773/0.505, allocations: 1.687 MB / 1.48 GB, free: 5.582 MB / 1.17 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.926e-05/0.505, allocations: 55.91 kB / 1.481 GB, free: 5.516 MB / 1.17 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003298/0.5083, allocations: 2.546 MB / 1.483 GB, free: 2.949 MB / 1.17 GB Notification: Performance of collectPreVariables (initialization): time 0.000116/0.5084, allocations: 45.7 kB / 1.483 GB, free: 2.898 MB / 1.17 GB Notification: Performance of collectInitialEqns (initialization): time 0.000908/0.5093, allocations: 1.014 MB / 1.484 GB, free: 1.875 MB / 1.17 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002262/0.5096, allocations: 218.2 kB / 1.484 GB, free: 1.66 MB / 1.17 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005631/0.5101, allocations: 434.5 kB / 1.485 GB, free: 1.23 MB / 1.17 GB Notification: Performance of setup shared object (initialization): time 0.0001171/0.5102, allocations: 301.1 kB / 1.485 GB, free: 0.9336 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00194/0.5122, allocations: 1.158 MB / 1.486 GB, free: 15.77 MB / 1.186 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002295/0.5145, allocations: 1.547 MB / 1.488 GB, free: 14.08 MB / 1.186 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003908/0.5184, allocations: 2.472 MB / 1.49 GB, free: 11.49 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.766e-06/0.5184, allocations: 7.938 kB / 1.49 GB, free: 11.48 MB / 1.186 GB Notification: Performance of matching and sorting (n=232) (initialization): time 0.00534/0.5237, allocations: 3.073 MB / 1.493 GB, free: 8.398 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 2.271e-05/0.5238, allocations: 8 kB / 1.493 GB, free: 8.391 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.709e-05/0.5238, allocations: 8 kB / 1.493 GB, free: 8.383 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000507/0.5243, allocations: 157.4 kB / 1.493 GB, free: 8.227 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001316/0.5256, allocations: 331.5 kB / 1.493 GB, free: 7.902 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006124/0.5262, allocations: 0.6694 MB / 1.494 GB, free: 7.207 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001726/0.5279, allocations: 226.5 kB / 1.494 GB, free: 6.984 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001602/0.5281, allocations: 99.95 kB / 1.494 GB, free: 6.887 MB / 1.186 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002567/0.5307, allocations: 1.499 MB / 1.496 GB, free: 5.383 MB / 1.186 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001997/0.5327, allocations: 1.352 MB / 1.497 GB, free: 3.887 MB / 1.186 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003293/0.536, allocations: 2.089 MB / 1.499 GB, free: 1.688 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.478e-06/0.536, allocations: 0 / 1.499 GB, free: 1.688 MB / 1.186 GB Notification: Performance of matching and sorting (n=232) (initialization_lambda0): time 0.005086/0.541, allocations: 2.714 MB / 1.502 GB, free: 14.96 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 1.909e-05/0.5411, allocations: 12 kB / 1.502 GB, free: 14.95 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.33e-05/0.5411, allocations: 11.98 kB / 1.502 GB, free: 14.94 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008729/0.542, allocations: 209.3 kB / 1.502 GB, free: 14.73 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001182/0.5431, allocations: 323.5 kB / 1.502 GB, free: 14.41 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005654/0.5488, allocations: 3.402 MB / 1.506 GB, free: 10.82 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001784/0.5506, allocations: 183.2 kB / 1.506 GB, free: 10.64 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001443/0.5507, allocations: 79.97 kB / 1.506 GB, free: 10.57 MB / 1.201 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * 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 (161): * Single equations (assignments): 156 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * 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 {(1,5)} Notification: Performance of prepare postOptimizeDAE: time 0.0003841/0.5511, allocations: 251.9 kB / 1.506 GB, free: 10.31 MB / 1.201 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003415/0.5514, allocations: 234.3 kB / 1.506 GB, free: 10.08 MB / 1.201 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003791/0.5552, allocations: 1.587 MB / 1.508 GB, free: 8.477 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.392e-05/0.5552, allocations: 8 kB / 1.508 GB, free: 8.469 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.264e-06/0.5552, allocations: 0 / 1.508 GB, free: 8.469 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.203e-05/0.5553, allocations: 3.984 kB / 1.508 GB, free: 8.465 MB / 1.201 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005777/0.561, allocations: 3.037 MB / 1.511 GB, free: 5.352 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.155e-06/0.561, allocations: 7.984 kB / 1.511 GB, free: 5.344 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008795/0.5619, allocations: 167.9 kB / 1.511 GB, free: 5.18 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003244/0.5623, allocations: 112.7 kB / 1.511 GB, free: 5.066 MB / 1.201 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.48e-05/0.5623, allocations: 31.97 kB / 1.511 GB, free: 5.035 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004874/0.5628, allocations: 0.6381 MB / 1.512 GB, free: 4.371 MB / 1.201 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.663e-06/0.5628, allocations: 4.031 kB / 1.512 GB, free: 4.367 MB / 1.201 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00462/0.5674, allocations: 2.148 MB / 1.514 GB, free: 2.184 MB / 1.201 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008462/0.5683, allocations: 362 kB / 1.514 GB, free: 1.828 MB / 1.201 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002303/0.5685, allocations: 20 kB / 1.514 GB, free: 1.809 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001056/0.5696, allocations: 79.97 kB / 1.514 GB, free: 1.73 MB / 1.201 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.496e-05/0.5697, allocations: 52.52 kB / 1.515 GB, free: 1.68 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.992e-05/0.5697, allocations: 51.89 kB / 1.515 GB, free: 1.629 MB / 1.201 GB Notification: Performance of sorting global known variables: time 0.002509/0.5723, allocations: 1.694 MB / 1.516 GB, free: 15.93 MB / 1.217 GB Notification: Performance of sort global known variables: time 1e-07/0.5723, allocations: 0 / 1.516 GB, free: 15.93 MB / 1.217 GB Notification: Performance of remove unused functions: time 0.002739/0.575, allocations: 1.201 MB / 1.517 GB, free: 14.72 MB / 1.217 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 2 (floMac1.motSpe.y,floMac2.motSpe.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 (63): * Single equations (assignments): 56 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * 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 {(1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001296/0.5763, allocations: 0.6898 MB / 1.518 GB, free: 14.03 MB / 1.217 GB Notification: Performance of simCode: created initialization part: time 0.006025/0.5823, allocations: 3.242 MB / 1.521 GB, free: 10.78 MB / 1.217 GB Notification: Performance of simCode: created event and clocks part: time 3.196e-06/0.5823, allocations: 8 kB / 1.521 GB, free: 10.77 MB / 1.217 GB Notification: Performance of simCode: created simulation system equations: time 0.001337/0.5837, allocations: 0.5426 MB / 1.522 GB, free: 10.23 MB / 1.217 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003897/0.5875, allocations: 1.166 MB / 1.523 GB, free: 9.105 MB / 1.217 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00745/0.595, allocations: 4.344 MB / 1.527 GB, free: 4.703 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001342/0.5963, allocations: 1.665 MB / 1.529 GB, free: 3.004 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006377/0.597, allocations: 203.2 kB / 1.529 GB, free: 2.805 MB / 1.217 GB Notification: Performance of SimCode: time 8.91e-07/0.597, allocations: 0 / 1.529 GB, free: 2.805 MB / 1.217 GB Notification: Performance of Templates: time 0.07122/0.6682, allocations: 52.96 MB / 1.581 GB, free: 14.06 MB / 1.279 GB " [Timeout remaining time 299] make -j1 -f Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries.makefile [Timeout 300] (rm -f Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries.pipe >> ../files/Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries.sim & ./Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries -abortSlowSimulation -alarm=800 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries.pipe 2>&1) [Timeout 800] diffSimulationResults("Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries_res.mat","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Fluid_Movers_Examples_PumpsSeries.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Fluid.Movers.Examples.PumpsSeries.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: 18.71889908000594]