Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.WeatherData.BaseClasses.Examples.LocalCivilTime.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 0.0008908/0.0008908, allocations: 80.44 kB / 19.17 MB, free: 0.7461 MB / 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 0.000997/0.000997, allocations: 165.9 kB / 22.45 MB, free: 2.109 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 1.108/1.108, allocations: 177.1 MB / 202.8 MB, free: 5.738 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo", uses=false) [Timeout 180]
"[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo): time 0.604/0.604, allocations: 110.2 MB / 369.4 MB, free: 12.61 MB / 346.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:44:3-56:20:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:58:3-65:19:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:67:3-72:20:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:74:3-79:20:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 179]
Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/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: "" <> buildModelFMU(BuildSysPro.IBPSA.BoundaryConditions.WeatherData.BaseClasses.Examples.LocalCivilTime,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_BoundaryConditions_WeatherData_BaseClasses_Examples_LocalCivilTime",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildSysPro.IBPSA.BoundaryConditions.WeatherData.BaseClasses.Examples.LocalCivilTime,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_BoundaryConditions_WeatherData_BaseClasses_Examples_LocalCivilTime",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.713e-06/1.713e-06, allocations: 0 / 0.5473 GB, free: 9.812 MB / 0.5105 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.631e-05/1.802e-05, allocations: 9.094 kB / 0.5473 GB, free: 9.805 MB / 0.5105 GB
Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.BoundaryConditions.WeatherData.BaseClasses.Examples.LocalCivilTime): time 0.00192/0.001938, allocations: 1.421 MB / 0.5487 GB, free: 8.371 MB / 0.5105 GB
Notification: Performance of NFInst.instExpressions: time 0.0006032/0.002542, allocations: 387 kB / 0.549 GB, free: 7.988 MB / 0.5105 GB
Notification: Performance of NFInst.updateImplicitVariability: time 3.719e-05/0.002579, allocations: 0 / 0.549 GB, free: 7.988 MB / 0.5105 GB
Notification: Performance of NFTyping.typeComponents: time 2.935e-05/0.002608, allocations: 0 / 0.549 GB, free: 7.988 MB / 0.5105 GB
Notification: Performance of NFTyping.typeBindings: time 7.481e-05/0.002683, allocations: 7.938 kB / 0.5491 GB, free: 7.98 MB / 0.5105 GB
Notification: Performance of NFTyping.typeClassSections: time 2.515e-05/0.002708, allocations: 4 kB / 0.5491 GB, free: 7.977 MB / 0.5105 GB
Notification: Performance of NFFlatten.flatten: time 5.732e-05/0.002765, allocations: 27.84 kB / 0.5491 GB, free: 7.949 MB / 0.5105 GB
Notification: Performance of NFFlatten.resolveConnections: time 8.878e-05/0.002854, allocations: 0 / 0.5491 GB, free: 7.949 MB / 0.5105 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0002249/0.003079, allocations: 19.98 kB / 0.5491 GB, free: 7.93 MB / 0.5105 GB
Notification: Performance of NFSimplifyModel.simplify: time 5.19e-05/0.003131, allocations: 7.938 kB / 0.5491 GB, free: 7.922 MB / 0.5105 GB
Notification: Performance of NFPackage.collectConstants: time 1.137e-05/0.003142, allocations: 0 / 0.5491 GB, free: 7.922 MB / 0.5105 GB
Notification: Performance of NFFlatten.collectFunctions: time 4.077e-06/0.003147, allocations: 0 / 0.5491 GB, free: 7.922 MB / 0.5105 GB
Notification: Performance of NFScalarize.scalarize: time 1.146e-05/0.003158, allocations: 8 kB / 0.5491 GB, free: 7.914 MB / 0.5105 GB
Notification: Performance of NFVerifyModel.verify: time 1.891e-05/0.003177, allocations: 3.984 kB / 0.5491 GB, free: 7.91 MB / 0.5105 GB
Notification: Performance of NFConvertDAE.convert: time 6.15e-05/0.003238, allocations: 15.97 kB / 0.5491 GB, free: 7.895 MB / 0.5105 GB
Notification: Performance of FrontEnd - DAE generated: time 1.633e-06/0.00324, allocations: 4 kB / 0.5491 GB, free: 7.891 MB / 0.5105 GB
Notification: Performance of FrontEnd: time 7.11e-07/0.003241, allocations: 0 / 0.5491 GB, free: 7.891 MB / 0.5105 GB
Notification: Performance of Transformations before backend: time 4.128e-06/0.003245, allocations: 0 / 0.5491 GB, free: 7.891 MB / 0.5105 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 3
 * Number of variables: 3
Notification: Performance of Generate backend data structure: time 0.0003305/0.003575, allocations: 258.3 kB / 0.5494 GB, free: 7.609 MB / 0.5105 GB
Notification: Performance of prepare preOptimizeDAE: time 3.771e-05/0.003613, allocations: 11.97 kB / 0.5494 GB, free: 7.598 MB / 0.5105 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 2.633e-05/0.003639, allocations: 30.75 kB / 0.5494 GB, free: 7.559 MB / 0.5105 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 1.752e-05/0.003657, allocations: 8.875 kB / 0.5494 GB, free: 7.551 MB / 0.5105 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 9.343e-05/0.00375, allocations: 105.8 kB / 0.5495 GB, free: 7.422 MB / 0.5105 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.096e-05/0.003761, allocations: 4.375 kB / 0.5495 GB, free: 7.418 MB / 0.5105 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 7.043e-06/0.003768, allocations: 384 / 0.5495 GB, free: 7.418 MB / 0.5105 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 6.489e-05/0.003833, allocations: 38.25 kB / 0.5496 GB, free: 7.375 MB / 0.5105 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.214e-06/0.00384, allocations: 192 / 0.5496 GB, free: 7.375 MB / 0.5105 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.248e-06/0.00385, allocations: 4.125 kB / 0.5496 GB, free: 7.371 MB / 0.5105 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.897e-06/0.003854, allocations: 0 / 0.5496 GB, free: 7.371 MB / 0.5105 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 3.102e-05/0.003885, allocations: 12 kB / 0.5496 GB, free: 7.359 MB / 0.5105 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0002514/0.004136, allocations: 212 kB / 0.5498 GB, free: 7.109 MB / 0.5105 GB
Notification: Performance of preOpt comSubExp (simulation): time 4.574e-05/0.004182, allocations: 30.61 kB / 0.5498 GB, free: 7.07 MB / 0.5105 GB
Notification: Performance of preOpt resolveLoops (simulation): time 2.244e-05/0.004204, allocations: 12.86 kB / 0.5498 GB, free: 7.055 MB / 0.5105 GB
Notification: Performance of preOpt evalFunc (simulation): time 8.426e-06/0.004213, allocations: 3.938 kB / 0.5498 GB, free: 7.051 MB / 0.5105 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.852e-05/0.004231, allocations: 34.56 kB / 0.5499 GB, free: 7.008 MB / 0.5105 GB
Notification: Performance of pre-optimization done (n=2): time 7.71e-07/0.004232, allocations: 0 / 0.5499 GB, free: 7.008 MB / 0.5105 GB
Notification: Performance of matching and sorting (n=2): time 0.0001175/0.004349, allocations: 49.62 kB / 0.5499 GB, free: 6.953 MB / 0.5105 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.965e-05/0.004389, allocations: 51.53 kB / 0.55 GB, free: 6.891 MB / 0.5105 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 6.631e-05/0.004455, allocations: 101.9 kB / 0.5501 GB, free: 6.781 MB / 0.5105 GB
Notification: Performance of collectPreVariables (initialization): time 1.001e-05/0.004465, allocations: 25.7 kB / 0.5501 GB, free: 6.75 MB / 0.5105 GB
Notification: Performance of collectInitialEqns (initialization): time 3.291e-05/0.004498, allocations: 84.14 kB / 0.5502 GB, free: 6.664 MB / 0.5105 GB
Notification: Performance of collectInitialBindings (initialization): time 1.468e-05/0.004513, allocations: 7.953 kB / 0.5502 GB, free: 6.656 MB / 0.5105 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 2.299e-05/0.004536, allocations: 13.7 kB / 0.5502 GB, free: 6.637 MB / 0.5105 GB
Notification: Performance of setup shared object (initialization): time 7.415e-05/0.00461, allocations: 314.8 kB / 0.5505 GB, free: 6.32 MB / 0.5105 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 8.606e-06/0.004619, allocations: 0 / 0.5505 GB, free: 6.32 MB / 0.5105 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 7.835e-06/0.004627, allocations: 8 kB / 0.5505 GB, free: 6.312 MB / 0.5105 GB
Notification: Performance of analyzeInitialSystem (initialization): time 1.908e-05/0.004646, allocations: 8.859 kB / 0.5505 GB, free: 6.301 MB / 0.5105 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.633e-06/0.004647, allocations: 4.062 kB / 0.5505 GB, free: 6.297 MB / 0.5105 GB
Notification: Performance of matching and sorting (n=2) (initialization): time 3.984e-05/0.004687, allocations: 45.58 kB / 0.5506 GB, free: 6.246 MB / 0.5105 GB
Notification: Performance of prepare postOptimizeDAE: time 1.392e-05/0.004701, allocations: 11.98 kB / 0.5506 GB, free: 6.234 MB / 0.5105 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.989e-06/0.004706, allocations: 0 / 0.5506 GB, free: 6.234 MB / 0.5105 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.118e-05/0.004717, allocations: 0 / 0.5506 GB, free: 6.234 MB / 0.5105 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 4.29e-05/0.00476, allocations: 4 kB / 0.5506 GB, free: 6.23 MB / 0.5105 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.378e-06/0.004764, allocations: 0 / 0.5506 GB, free: 6.23 MB / 0.5105 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 1.026e-05/0.004775, allocations: 0 / 0.5506 GB, free: 6.23 MB / 0.5105 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.786e-06/0.004778, allocations: 0 / 0.5506 GB, free: 6.23 MB / 0.5105 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 (2):
 * Single equations (assignments): 2
 * 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 6.184e-05/0.004839, allocations: 113.8 kB / 0.5507 GB, free: 6.109 MB / 0.5105 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 1.241e-05/0.004852, allocations: 19.86 kB / 0.5507 GB, free: 6.09 MB / 0.5105 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 1.658e-05/0.004868, allocations: 3.312 kB / 0.5507 GB, free: 6.086 MB / 0.5105 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.022e-06/0.004869, allocations: 0 / 0.5507 GB, free: 6.086 MB / 0.5105 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.817e-06/0.004873, allocations: 0 / 0.5507 GB, free: 6.086 MB / 0.5105 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.776e-06/0.004876, allocations: 0 / 0.5507 GB, free: 6.086 MB / 0.5105 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 9.985e-05/0.004976, allocations: 124.8 kB / 0.5508 GB, free: 5.922 MB / 0.5105 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.773e-06/0.004978, allocations: 3.938 kB / 0.5508 GB, free: 5.918 MB / 0.5105 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 5.651e-06/0.004983, allocations: 4 kB / 0.5508 GB, free: 5.914 MB / 0.5105 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.222e-06/0.004984, allocations: 0 / 0.5508 GB, free: 5.914 MB / 0.5105 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.5e-06/0.00499, allocations: 0 / 0.5508 GB, free: 5.914 MB / 0.5105 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.413e-06/0.004991, allocations: 4 kB / 0.5508 GB, free: 5.91 MB / 0.5105 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.563e-06/0.004993, allocations: 7.984 kB / 0.5508 GB, free: 5.902 MB / 0.5105 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 6.46e-05/0.005058, allocations: 131.5 kB / 0.551 GB, free: 5.758 MB / 0.5105 GB
Notification: Performance of postOpt removeConstants (simulation): time 9.157e-06/0.005067, allocations: 7.938 kB / 0.551 GB, free: 5.75 MB / 0.5105 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.685e-06/0.005074, allocations: 0 / 0.551 GB, free: 5.75 MB / 0.5105 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 2.337e-05/0.005098, allocations: 0 / 0.551 GB, free: 5.75 MB / 0.5105 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 1.343e-05/0.005111, allocations: 3.984 kB / 0.551 GB, free: 5.746 MB / 0.5105 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.81e-07/0.005112, allocations: 0 / 0.551 GB, free: 5.746 MB / 0.5105 GB
Notification: Performance of sorting global known variables: time 3.105e-05/0.005143, allocations: 91.22 kB / 0.5511 GB, free: 5.656 MB / 0.5105 GB
Notification: Performance of sort global known variables: time 5e-08/0.005143, allocations: 0 / 0.5511 GB, free: 5.656 MB / 0.5105 GB
Notification: Performance of remove unused functions: time 0.0001385/0.005282, allocations: 4 kB / 0.5511 GB, free: 5.652 MB / 0.5105 GB
Notification: Model statistics after passing the back-end for simulation:
 * 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 simulation (2):
 * Single equations (assignments): 2
 * 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 0.0002611/0.005543, allocations: 0.6734 MB / 0.5517 GB, free: 4.949 MB / 0.5105 GB
Notification: Performance of simCode: created initialization part: time 5.886e-05/0.005602, allocations: 8 kB / 0.5517 GB, free: 4.941 MB / 0.5105 GB
Notification: Performance of simCode: created event and clocks part: time 1.543e-06/0.005603, allocations: 0 / 0.5517 GB, free: 4.941 MB / 0.5105 GB
Notification: Performance of simCode: created simulation system equations: time 4.108e-06/0.005607, allocations: 4 kB / 0.5517 GB, free: 4.938 MB / 0.5105 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001495/0.005757, allocations: 4 kB / 0.5517 GB, free: 4.934 MB / 0.5105 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.000705/0.006462, allocations: 1.163 MB / 0.5529 GB, free: 3.688 MB / 0.5105 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 4.445e-05/0.006506, allocations: 71.47 kB / 0.5529 GB, free: 3.598 MB / 0.5105 GB
Notification: Performance of simCode: alias equations: time 1.453e-05/0.006521, allocations: 0 / 0.5529 GB, free: 3.598 MB / 0.5105 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 3.178e-05/0.006552, allocations: 12.5 kB / 0.553 GB, free: 3.586 MB / 0.5105 GB
Notification: Performance of SimCode: time 5.81e-07/0.006553, allocations: 0 / 0.553 GB, free: 3.586 MB / 0.5105 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01419/0.02075, allocations: 1.69 MB / 0.5546 GB, free: 2.078 MB / 0.5105 GB
Notification: Performance of buildModelFMU: Generate platform static: time 7.584/7.605, allocations: 14.98 kB / 0.5546 GB, free: 2.07 MB / 0.5105 GB
"
[Timeout remaining time 652]
(rm -f BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.WeatherData.BaseClasses.Examples.LocalCivilTime.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.WeatherData.BaseClasses.Examples.LocalCivilTime.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.WeatherData.BaseClasses.Examples.LocalCivilTime.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.WeatherData.BaseClasses.Examples.LocalCivilTime.sim & python3 -m fmpy simulate  --output-file BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.WeatherData.BaseClasses.Examples.LocalCivilTime_res.csv --start-time 0 --stop-time 172800 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 69.12 BuildSysPro_BuildSysPro_IBPSA_BoundaryConditions_WeatherData_BaseClasses_Examples_LocalCivilTime.fmu > BuildSysPro_BuildSysPro.IBPSA.BoundaryConditions.WeatherData.BaseClasses.Examples.LocalCivilTime.pipe 2>&1) [Timeout 52.5]
[Calling sys.exit(0), Time elapsed: 10.757148802280426]
Failed to read output from testmodel.py, exit status != 0:
7.682324009947479 7.692230146 7.686893714
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x701f93bc82f0>