Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer.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 0.001804/0.001804, allocations: 76.45 kB / 19.76 MB, free: 1.863 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 0.002269/0.002269, allocations: 161.3 kB / 23.01 MB, free: 4.613 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 1.466/1.466, allocations: 177.2 MB / 203.4 MB, free: 8.977 MB / 190.1 MB
"
[Timeout remaining time 178]
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 2.884/2.884, allocations: 394.2 MB / 0.6387 GB, free: 11.93 MB / 0.6075 GB
"
[Timeout remaining time 176]
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.AirFilters.BaseClasses.Validation.MassTransfer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer")
translateModel(Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer") [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 0.002395/0.002395, allocations: 63.89 kB / 1.009 GB, free: 14.47 MB / 0.9669 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.923/0.9254, allocations: 181.8 MB / 1.187 GB, free: 16.23 MB / 1.076 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer): time 0.217/1.142, allocations: 160.7 MB / 1.344 GB, free: 5.078 MB / 1.186 GB
Notification: Performance of NFInst.instExpressions: time 0.01524/1.158, allocations: 10.68 MB / 1.354 GB, free: 10.37 MB / 1.201 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0006423/1.158, allocations: 35.69 kB / 1.354 GB, free: 10.33 MB / 1.201 GB
Notification: Performance of NFTyping.typeComponents: time 0.001151/1.159, allocations: 353.7 kB / 1.354 GB, free: 9.984 MB / 1.201 GB
Notification: Performance of NFTyping.typeBindings: time 0.002023/1.161, allocations: 0.7971 MB / 1.355 GB, free: 9.184 MB / 1.201 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001827/1.163, allocations: 0.676 MB / 1.356 GB, free: 8.512 MB / 1.201 GB
Notification: Performance of NFFlatten.flatten: time 0.002918/1.166, allocations: 1.536 MB / 1.357 GB, free: 6.984 MB / 1.201 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0008195/1.167, allocations: 471.6 kB / 1.358 GB, free: 6.516 MB / 1.201 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.005164/1.172, allocations: 2.006 MB / 1.36 GB, free: 4.516 MB / 1.201 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0007741/1.173, allocations: 478.1 kB / 1.36 GB, free: 4.047 MB / 1.201 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001149/1.173, allocations: 60 kB / 1.36 GB, free: 3.988 MB / 1.201 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001368/1.174, allocations: 0.6431 MB / 1.361 GB, free: 3.344 MB / 1.201 GB
Notification: Performance of NFScalarize.scalarize: time 0.0003738/1.175, allocations: 319 kB / 1.361 GB, free: 3.031 MB / 1.201 GB
Notification: Performance of NFVerifyModel.verify: time 0.0003986/1.175, allocations: 318.6 kB / 1.361 GB, free: 2.719 MB / 1.201 GB
Notification: Performance of NFConvertDAE.convert: time 0.001543/1.177, allocations: 1.121 MB / 1.363 GB, free: 1.594 MB / 1.201 GB
Notification: Performance of FrontEnd - DAE generated: time 3.607e-06/1.177, allocations: 0 / 1.363 GB, free: 1.594 MB / 1.201 GB
Notification: Performance of FrontEnd: time 1.292e-06/1.177, allocations: 0 / 1.363 GB, free: 1.594 MB / 1.201 GB
Notification: Performance of Transformations before backend: time 1.569e-05/1.177, allocations: 0 / 1.363 GB, free: 1.594 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: 128
 * Number of variables: 128
Notification: Performance of Generate backend data structure: time 0.001895/1.179, allocations: 1.034 MB / 1.364 GB, free: 0.5273 MB / 1.201 GB
Notification: Performance of prepare preOptimizeDAE: time 3.525e-05/1.179, allocations: 8.031 kB / 1.364 GB, free: 0.5195 MB / 1.201 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005236/1.179, allocations: 131.4 kB / 1.364 GB, free: 400 kB / 1.201 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009855/1.18, allocations: 492.8 kB / 1.364 GB, free: 15.88 MB / 1.217 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.193e-05/1.18, allocations: 45.25 kB / 1.364 GB, free: 15.84 MB / 1.217 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001026/1.18, allocations: 59.95 kB / 1.364 GB, free: 15.78 MB / 1.217 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001243/1.182, allocations: 0.6395 MB / 1.365 GB, free: 15.12 MB / 1.217 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.678e-05/1.182, allocations: 0 / 1.365 GB, free: 15.12 MB / 1.217 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.29e-05/1.182, allocations: 20 kB / 1.365 GB, free: 15.1 MB / 1.217 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.671e-05/1.182, allocations: 19.94 kB / 1.365 GB, free: 15.08 MB / 1.217 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001275/1.183, allocations: 0.5542 MB / 1.365 GB, free: 14.53 MB / 1.217 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002844/1.186, allocations: 1.477 MB / 1.367 GB, free: 13 MB / 1.217 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0006646/1.186, allocations: 303.1 kB / 1.367 GB, free: 12.7 MB / 1.217 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0004743/1.187, allocations: 197.8 kB / 1.367 GB, free: 12.5 MB / 1.217 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004879/1.187, allocations: 80.19 kB / 1.367 GB, free: 12.43 MB / 1.217 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.741e-05/1.187, allocations: 34.84 kB / 1.367 GB, free: 12.38 MB / 1.217 GB
Notification: Performance of pre-optimization done (n=33): time 1.643e-06/1.187, allocations: 0 / 1.367 GB, free: 12.38 MB / 1.217 GB
Notification: Performance of matching and sorting (n=33): time 0.001772/1.189, allocations: 0.6553 MB / 1.368 GB, free: 11.72 MB / 1.217 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.617e-05/1.189, allocations: 59.34 kB / 1.368 GB, free: 11.65 MB / 1.217 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000517/1.19, allocations: 434 kB / 1.369 GB, free: 11.22 MB / 1.217 GB
Notification: Performance of collectPreVariables (initialization): time 3.842e-05/1.19, allocations: 29.7 kB / 1.369 GB, free: 11.18 MB / 1.217 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002615/1.19, allocations: 325 kB / 1.369 GB, free: 10.86 MB / 1.217 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001163/1.19, allocations: 122.9 kB / 1.369 GB, free: 10.74 MB / 1.217 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001374/1.19, allocations: 77.69 kB / 1.369 GB, free: 10.66 MB / 1.217 GB
Notification: Performance of setup shared object (initialization): time 0.0001879/1.191, allocations: 358.8 kB / 1.369 GB, free: 10.3 MB / 1.217 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.000451/1.191, allocations: 176.7 kB / 1.37 GB, free: 10.12 MB / 1.217 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006976/1.192, allocations: 0.5254 MB / 1.37 GB, free: 9.504 MB / 1.217 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0009686/1.193, allocations: 430 kB / 1.371 GB, free: 9.07 MB / 1.217 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.735e-06/1.193, allocations: 0 / 1.371 GB, free: 9.07 MB / 1.217 GB
Notification: Performance of matching and sorting (n=38) (initialization): time 0.001137/1.194, allocations: 0.4892 MB / 1.371 GB, free: 8.574 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 1.607e-05/1.194, allocations: 4 kB / 1.371 GB, free: 8.57 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.894e-06/1.194, allocations: 7.938 kB / 1.371 GB, free: 8.562 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.886e-05/1.194, allocations: 0 / 1.371 GB, free: 8.562 MB / 1.217 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006696/1.194, allocations: 115.9 kB / 1.371 GB, free: 8.449 MB / 1.217 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004703/1.195, allocations: 0.59 MB / 1.372 GB, free: 7.836 MB / 1.217 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004858/1.195, allocations: 63.72 kB / 1.372 GB, free: 7.773 MB / 1.217 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.52e-05/1.195, allocations: 15.98 kB / 1.372 GB, free: 7.758 MB / 1.217 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007078/1.196, allocations: 348 kB / 1.372 GB, free: 7.414 MB / 1.217 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007127/1.197, allocations: 0.5274 MB / 1.373 GB, free: 6.793 MB / 1.217 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0009406/1.198, allocations: 412.2 kB / 1.373 GB, free: 6.375 MB / 1.217 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.733e-06/1.198, allocations: 0 / 1.373 GB, free: 6.375 MB / 1.217 GB
Notification: Performance of matching and sorting (n=38) (initialization_lambda0): time 0.001112/1.199, allocations: 0.4893 MB / 1.374 GB, free: 5.879 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 9.989e-06/1.199, allocations: 4 kB / 1.374 GB, free: 5.875 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.088e-06/1.199, allocations: 4 kB / 1.374 GB, free: 5.871 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 5.53e-06/1.199, allocations: 4 kB / 1.374 GB, free: 5.867 MB / 1.217 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004476/1.199, allocations: 99.8 kB / 1.374 GB, free: 5.77 MB / 1.217 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.561e-06/1.199, allocations: 4 kB / 1.374 GB, free: 5.766 MB / 1.217 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005397/1.2, allocations: 64 kB / 1.374 GB, free: 5.703 MB / 1.217 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.816e-05/1.2, allocations: 19.98 kB / 1.374 GB, free: 5.684 MB / 1.217 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 5
 * 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 (38):
 * Single equations (assignments): 37
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 1
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 1 system
   {1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.0001691/1.2, allocations: 208.9 kB / 1.374 GB, free: 5.473 MB / 1.217 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 9.272e-05/1.2, allocations: 51.86 kB / 1.374 GB, free: 5.422 MB / 1.217 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001288/1.202, allocations: 0.5216 MB / 1.374 GB, free: 4.895 MB / 1.217 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.236e-06/1.202, allocations: 4 kB / 1.374 GB, free: 4.891 MB / 1.217 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.37e-06/1.202, allocations: 0 / 1.374 GB, free: 4.891 MB / 1.217 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.965e-06/1.202, allocations: 3.938 kB / 1.374 GB, free: 4.887 MB / 1.217 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002435/1.204, allocations: 1.103 MB / 1.376 GB, free: 3.723 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.167e-06/1.204, allocations: 11.94 kB / 1.376 GB, free: 3.711 MB / 1.217 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004775/1.205, allocations: 99.83 kB / 1.376 GB, free: 3.613 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (simulation): time 6.973e-06/1.205, allocations: 4.25 kB / 1.376 GB, free: 3.609 MB / 1.217 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.004e-05/1.205, allocations: 12 kB / 1.376 GB, free: 3.598 MB / 1.217 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0003706/1.205, allocations: 0.5977 MB / 1.376 GB, free: 2.977 MB / 1.217 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.974e-06/1.205, allocations: 0 / 1.376 GB, free: 2.977 MB / 1.217 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00171/1.207, allocations: 0.8712 MB / 1.377 GB, free: 2.066 MB / 1.217 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0002006/1.207, allocations: 95.59 kB / 1.377 GB, free: 1.973 MB / 1.217 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.73e-05/1.207, allocations: 8 kB / 1.377 GB, free: 1.965 MB / 1.217 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003535/1.207, allocations: 39.94 kB / 1.377 GB, free: 1.926 MB / 1.217 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 9.875e-05/1.207, allocations: 39.83 kB / 1.377 GB, free: 1.887 MB / 1.217 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.721e-05/1.207, allocations: 19.94 kB / 1.377 GB, free: 1.867 MB / 1.217 GB
Notification: Performance of sorting global known variables: time 0.0003687/1.208, allocations: 298.9 kB / 1.378 GB, free: 1.578 MB / 1.217 GB
Notification: Performance of sort global known variables: time 8.1e-08/1.208, allocations: 0 / 1.378 GB, free: 1.578 MB / 1.217 GB
Notification: Performance of remove unused functions: time 0.0008501/1.209, allocations: 319 kB / 1.378 GB, free: 1.266 MB / 1.217 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 9
 * Number of states: 4 (senTraSubParOut.C,senTraSubParIn.C,senTraSubVOCIn.C,senTraSubVOCOut.C)
 * 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 (33):
 * Single equations (assignments): 32
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 1
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 1 system
   {1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of Backend phase and start with SimCode phase: time 0.0004518/1.209, allocations: 182.7 kB / 1.378 GB, free: 1.086 MB / 1.217 GB
Notification: Performance of simCode: created initialization part: time 0.001802/1.211, allocations: 0.6404 MB / 1.379 GB, free: 456 kB / 1.217 GB
Notification: Performance of simCode: created event and clocks part: time 3.276e-06/1.211, allocations: 0 / 1.379 GB, free: 456 kB / 1.217 GB
Notification: Performance of simCode: created simulation system equations: time 0.0006115/1.211, allocations: 232.2 kB / 1.379 GB, free: 224 kB / 1.217 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001012/1.212, allocations: 198.6 kB / 1.379 GB, free: 28 kB / 1.217 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002059/1.215, allocations: 1.162 MB / 1.38 GB, free: 14.81 MB / 1.232 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004339/1.215, allocations: 340.3 kB / 1.381 GB, free: 14.45 MB / 1.232 GB
Notification: Performance of simCode: alias equations: time 0.0005025/1.215, allocations: 156 kB / 1.381 GB, free: 14.3 MB / 1.232 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001507/1.216, allocations: 48.48 kB / 1.381 GB, free: 14.25 MB / 1.232 GB
Notification: Performance of SimCode: time 7.61e-07/1.216, allocations: 0 / 1.381 GB, free: 14.25 MB / 1.232 GB
Notification: Performance of Templates: time 0.01897/1.235, allocations: 9.596 MB / 1.39 GB, free: 4.891 MB / 1.232 GB
"
[Timeout remaining time 299]
make -j1 -f Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer.makefile [Timeout 300]
(rm -f Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer.pipe ; mkfifo Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer.pipe >> ../files/Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer.sim & ./Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer  -abortSlowSimulation -alarm=800 -s ida -lv LOG_STATS > Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.MassTransfer.pipe 2>&1) [Timeout 800]
[Calling sys.exit(0), Time elapsed: 9.396077785058878]
Failed to read output from testmodel.py, exit status != 0:
1.2446285509504378 1.270863784 0.08842912500000001
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f842beb2fe0>