Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AES_AES.Devel_test_models.Test_air_circ_004.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 0.001377/0.001377, allocations: 92.42 kB / 20.46 MB, free: 1.246 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 0.00155/0.00155, allocations: 220.8 kB / 23.77 MB, free: 4.422 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 1.491/1.491, allocations: 230.6 MB / 257.5 MB, free: 7.805 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AES main/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AES main/package.mo): time 0.116/0.116, allocations: 24.04 MB / 338 MB, free: 11.42 MB / 270.1 MB
"
[Timeout remaining time 180]
Using package AES with version  (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AES main/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(AES.Devel_test_models.Test_air_circ_004,tolerance=1e-06,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="AES_AES.Devel_test_models.Test_air_circ_004")
translateModel(AES.Devel_test_models.Test_air_circ_004,tolerance=1e-06,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="AES_AES.Devel_test_models.Test_air_circ_004") [Timeout 660]
"Notification: AES 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 0.002198/0.002198, allocations: 71.88 kB / 475.1 MB, free: 5.871 MB / 334.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.283/0.2852, allocations: 59.57 MB / 0.5221 GB, free: 10.37 MB / 382.1 MB
Notification: Performance of NFInst.instantiate(AES.Devel_test_models.Test_air_circ_004): time 0.003574/0.2888, allocations: 3.237 MB / 0.5253 GB, free: 8.184 MB / 382.1 MB
Notification: Performance of NFInst.instExpressions: time 0.001402/0.2902, allocations: 1.075 MB / 0.5263 GB, free: 7.422 MB / 382.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0001386/0.2904, allocations: 8.344 kB / 0.5264 GB, free: 7.418 MB / 382.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.0001175/0.2905, allocations: 66.16 kB / 0.5264 GB, free: 7.379 MB / 382.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.000387/0.2909, allocations: 182.3 kB / 0.5266 GB, free: 7.246 MB / 382.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.0002784/0.2911, allocations: 211.1 kB / 0.5268 GB, free: 7.117 MB / 382.1 MB
Notification: Performance of NFFlatten.flatten: time 0.0005835/0.2917, allocations: 0.824 MB / 0.5276 GB, free: 6.691 MB / 382.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0003847/0.2921, allocations: 303.8 kB / 0.5279 GB, free: 6.555 MB / 382.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0003474/0.2925, allocations: 318 kB / 0.5282 GB, free: 6.41 MB / 382.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.0003392/0.2928, allocations: 289 kB / 0.5285 GB, free: 6.293 MB / 382.1 MB
Notification: Performance of NFPackage.collectConstants: time 9.731e-05/0.2929, allocations: 72.97 kB / 0.5285 GB, free: 6.293 MB / 382.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.0001208/0.293, allocations: 71.84 kB / 0.5286 GB, free: 6.293 MB / 382.1 MB
Notification: Performance of NFScalarize.scalarize: time 8.953e-05/0.2931, allocations: 155.8 kB / 0.5288 GB, free: 6.188 MB / 382.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0002689/0.2934, allocations: 283.6 kB / 0.529 GB, free: 6.047 MB / 382.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.0006106/0.294, allocations: 0.7545 MB / 0.5298 GB, free: 5.75 MB / 382.1 MB
Notification: Performance of FrontEnd - DAE generated: time 3.507e-06/0.294, allocations: 0 / 0.5298 GB, free: 5.75 MB / 382.1 MB
Notification: Performance of FrontEnd: time 1.302e-06/0.294, allocations: 0 / 0.5298 GB, free: 5.75 MB / 382.1 MB
Notification: Performance of Transformations before backend: time 9.618e-06/0.294, allocations: 1.125 kB / 0.5298 GB, free: 5.75 MB / 382.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 163
 * Number of variables: 163
Notification: Performance of Generate backend data structure: time 0.001434/0.2954, allocations: 0.771 MB / 0.5305 GB, free: 5.23 MB / 382.1 MB
Notification: Performance of prepare preOptimizeDAE: time 3.145e-05/0.2955, allocations: 11.11 kB / 0.5305 GB, free: 5.23 MB / 382.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001035/0.2956, allocations: 61.92 kB / 0.5306 GB, free: 5.199 MB / 382.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001394/0.2957, allocations: 173.5 kB / 0.5307 GB, free: 5.023 MB / 382.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.957e-05/0.2957, allocations: 51.39 kB / 0.5308 GB, free: 5 MB / 382.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 8.845e-05/0.2958, allocations: 74.67 kB / 0.5309 GB, free: 4.969 MB / 382.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009719/0.2968, allocations: 0.5398 MB / 0.5314 GB, free: 4.738 MB / 382.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.89e-05/0.2968, allocations: 1.156 kB / 0.5314 GB, free: 4.738 MB / 382.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.001e-05/0.2969, allocations: 24.75 kB / 0.5314 GB, free: 4.719 MB / 382.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.432e-05/0.2969, allocations: 19.59 kB / 0.5314 GB, free: 4.715 MB / 382.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008828/0.2978, allocations: 500 kB / 0.5319 GB, free: 4.547 MB / 382.1 MB
Warning: Alias set with conflicting start values
 * Candidate: V1.T(start = V1.Tstart = 293.15, confidence number = 2)
 * Candidate: V1.air.T(start = 288.15, confidence number = 8)
 * Candidate: V1.heatPort.T(start = 288.15, confidence number = 8)
 * Candidate: HP.hotPort.T(start = 288.15, confidence number = 8)
 * Candidate: HP.Th(start = 288.15, confidence number = 7)
=> Select value from V1.T(start = V1.Tstart = 293.15) for variable: V1.T
Warning: Alias set with conflicting start values
 * Candidate: V2.T(start = V2.Tstart = 293.15, confidence number = 2)
 * Candidate: V2.air.T(start = 288.15, confidence number = 8)
 * Candidate: V2.heatPort.T(start = 288.15, confidence number = 8)
 * Candidate: HP.coldPort.T(start = 288.15, confidence number = 8)
 * Candidate: HP.Tc(start = 288.15, confidence number = 7)
=> Select value from V2.T(start = V2.Tstart = 293.15) for variable: V2.T
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002411/0.3002, allocations: 1.306 MB / 0.5332 GB, free: 3.809 MB / 382.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.001124/0.3013, allocations: 0.5427 MB / 0.5337 GB, free: 3.57 MB / 382.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003539/0.3017, allocations: 214.9 kB / 0.5339 GB, free: 3.48 MB / 382.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 4.367e-05/0.3017, allocations: 9.109 kB / 0.5339 GB, free: 3.48 MB / 382.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.099e-05/0.3017, allocations: 41.94 kB / 0.534 GB, free: 3.434 MB / 382.1 MB
Notification: Performance of pre-optimization done (n=65): time 2.084e-06/0.3017, allocations: 3.938 kB / 0.534 GB, free: 3.43 MB / 382.1 MB
Notification: Performance of matching and sorting (n=87): time 0.01215/0.3139, allocations: 3.568 MB / 0.5375 GB, free: 2.094 MB / 382.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 2.644e-05/0.3139, allocations: 62.55 kB / 0.5375 GB, free: 2.031 MB / 382.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001035/0.314, allocations: 143.4 kB / 0.5377 GB, free: 1.914 MB / 382.1 MB
Notification: Performance of collectPreVariables (initialization): time 4.924e-05/0.314, allocations: 40.73 kB / 0.5377 GB, free: 1.871 MB / 382.1 MB
Notification: Performance of collectInitialEqns (initialization): time 8.275e-05/0.3141, allocations: 227.2 kB / 0.5379 GB, free: 1.684 MB / 382.1 MB
Notification: Performance of collectInitialBindings (initialization): time 0.0001718/0.3143, allocations: 319.5 kB / 0.5382 GB, free: 1.43 MB / 382.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002164/0.3145, allocations: 115.6 kB / 0.5383 GB, free: 1.367 MB / 382.1 MB
Notification: Performance of setup shared object (initialization): time 5.577e-05/0.3146, allocations: 350.1 kB / 0.5387 GB, free: 1.035 MB / 382.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.000469/0.315, allocations: 272.8 kB / 0.5389 GB, free: 0.918 MB / 382.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005142/0.3156, allocations: 331.2 kB / 0.5392 GB, free: 0.7695 MB / 382.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01069/0.3262, allocations: 2.159 MB / 0.5413 GB, free: 156 kB / 382.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.124e-06/0.3262, allocations: 0 / 0.5413 GB, free: 156 kB / 382.1 MB
Notification: Performance of matching and sorting (n=95) (initialization): time 0.003015/0.3293, allocations: 1.079 MB / 0.5424 GB, free: 15.68 MB / 398.1 MB
Notification: Performance of prepare postOptimizeDAE: time 1.495e-05/0.3293, allocations: 5.125 kB / 0.5424 GB, free: 15.68 MB / 398.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.923e-06/0.3293, allocations: 1.797 kB / 0.5424 GB, free: 15.68 MB / 398.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.002095/0.3314, allocations: 412.3 kB / 0.5428 GB, free: 15.48 MB / 398.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003137/0.3345, allocations: 430.1 kB / 0.5432 GB, free: 15.36 MB / 398.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01329/0.3478, allocations: 12.98 MB / 0.5559 GB, free: 2.648 MB / 398.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004658/0.3483, allocations: 17.84 kB / 0.5559 GB, free: 2.637 MB / 398.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.526e-05/0.3483, allocations: 32.7 kB / 0.5559 GB, free: 2.621 MB / 398.1 MB
Warning: Assuming fixed start value for the following 4 variables:
         V1.p:VARIABLE(min = 0.0 start = V1.pstart unit = \"Pa\" fixed = true nominal = 1e5 stateSelect=StateSelect.always )  type: Real
         V1.T:VARIABLE(min = 0.0 start = V1.Tstart unit = \"K\" fixed = true nominal = 300.0 stateSelect=StateSelect.prefer )  type: Real
         V2.p:VARIABLE(min = 0.0 start = V2.pstart unit = \"Pa\" fixed = true nominal = 1e5 stateSelect=StateSelect.always )  type: Real
         V2.T:VARIABLE(min = 0.0 start = V2.Tstart unit = \"K\" fixed = true nominal = 300.0 stateSelect=StateSelect.prefer )  type: Real
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 2
 * 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 (75):
 * Single equations (assignments): 66
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 3
 * Torn equation systems: 6
 * 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): 3 systems
   {1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 5 systems
   {(2,5,100.0%), (2,5,100.0%), (1,2,100.0%), (1,1,100.0%), (1,1,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(1,4)}
Notification: Performance of prepare postOptimizeDAE: time 0.000346/0.3487, allocations: 203.8 kB / 0.5561 GB, free: 2.445 MB / 398.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 8.771e-05/0.3488, allocations: 33.47 kB / 0.5562 GB, free: 2.43 MB / 398.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003722/0.3525, allocations: 1.265 MB / 0.5574 GB, free: 1.637 MB / 398.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.107e-06/0.3525, allocations: 9.062 kB / 0.5574 GB, free: 1.637 MB / 398.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.58e-06/0.3525, allocations: 1.969 kB / 0.5574 GB, free: 1.637 MB / 398.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.083e-05/0.3525, allocations: 5.016 kB / 0.5574 GB, free: 1.633 MB / 398.1 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00425/0.3568, allocations: 1.755 MB / 0.5591 GB, free: 0.4922 MB / 398.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.678e-06/0.3568, allocations: 5.125 kB / 0.5591 GB, free: 500 kB / 398.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002852/0.3596, allocations: 384.3 kB / 0.5595 GB, free: 384 kB / 398.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 0.004051/0.3637, allocations: 0.6875 MB / 0.5602 GB, free: 15.99 MB / 414.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001053/0.3638, allocations: 22.67 kB / 0.5602 GB, free: 15.98 MB / 414.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01443/0.3782, allocations: 13.51 MB / 0.5734 GB, free: 2.977 MB / 414.1 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.334e-06/0.3782, allocations: 1.094 kB / 0.5734 GB, free: 2.977 MB / 414.1 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004232/0.3824, allocations: 1.688 MB / 0.575 GB, free: 1.953 MB / 414.1 MB
Notification: Performance of postOpt removeConstants (simulation): time 6.716e-05/0.3825, allocations: 26.56 kB / 0.5751 GB, free: 1.938 MB / 414.1 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.834e-05/0.3826, allocations: 22.28 kB / 0.5751 GB, free: 1.922 MB / 414.1 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004757/0.3831, allocations: 22.23 kB / 0.5751 GB, free: 1.906 MB / 414.1 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002037/0.3833, allocations: 92.95 kB / 0.5752 GB, free: 1.844 MB / 414.1 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.779e-05/0.3833, allocations: 29.86 kB / 0.5752 GB, free: 1.832 MB / 414.1 MB
Notification: Performance of sorting global known variables: time 8.637e-05/0.3834, allocations: 107.5 kB / 0.5753 GB, free: 1.742 MB / 414.1 MB
Notification: Performance of sort global known variables: time 7e-08/0.3834, allocations: 0 / 0.5753 GB, free: 1.742 MB / 414.1 MB
Notification: Performance of remove unused functions: time 0.001013/0.3844, allocations: 216.6 kB / 0.5755 GB, free: 1.711 MB / 414.1 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 4
 * Number of states: 6 (V1.Mv,V1.p,V1.T,V2.Ma,V2.p,V2.T)
 * 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): 54
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 3
 * Torn equation systems: 6
 * 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): 3 systems
   {1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 3 systems
   {(2,5,100.0%), (2,5,100.0%), (1,2,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 3 systems
   {(1,4), (1,5), (1,5)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0001804/0.3846, allocations: 123.9 kB / 0.5756 GB, free: 1.598 MB / 414.1 MB
Notification: Performance of simCode: created initialization part: time 0.005164/0.3898, allocations: 1.751 MB / 0.5774 GB, free: 396 kB / 414.1 MB
Notification: Performance of simCode: created event and clocks part: time 3.407e-06/0.3898, allocations: 0 / 0.5774 GB, free: 396 kB / 414.1 MB
Notification: Performance of simCode: created simulation system equations: time 0.004552/0.3943, allocations: 1.513 MB / 0.5788 GB, free: 14.8 MB / 430.1 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006254/0.3949, allocations: 96.36 kB / 0.5789 GB, free: 14.7 MB / 430.1 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002837/0.3978, allocations: 1.577 MB / 0.5805 GB, free: 13.09 MB / 430.1 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003369/0.3981, allocations: 276.3 kB / 0.5807 GB, free: 12.79 MB / 430.1 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001898/0.3983, allocations: 39.42 kB / 0.5808 GB, free: 12.75 MB / 430.1 MB
Notification: Performance of SimCode: time 4.7e-07/0.3983, allocations: 0 / 0.5808 GB, free: 12.75 MB / 430.1 MB
Notification: Performance of Templates: time 0.03005/0.4284, allocations: 26.29 MB / 0.6064 GB, free: 2.422 MB / 446.1 MB
"
[Timeout remaining time 660]
make -j1 -f AES_AES.Devel_test_models.Test_air_circ_004.makefile [Timeout 660]
(rm -f AES_AES.Devel_test_models.Test_air_circ_004.pipe ; mkfifo AES_AES.Devel_test_models.Test_air_circ_004.pipe ; head -c 1048576 < AES_AES.Devel_test_models.Test_air_circ_004.pipe >> ../files/AES_AES.Devel_test_models.Test_air_circ_004.sim & ./AES_AES.Devel_test_models.Test_air_circ_004  -lv=LOG_STATS -s=dassl -abortSlowSimulation -alarm=480 -lv LOG_STATS > AES_AES.Devel_test_models.Test_air_circ_004.pipe 2>&1) [Timeout 480]
[Calling sys.exit(0), Time elapsed: 10.150499284733087]
Failed to read output from testmodel.py, exit status != 0:
0.43691605841740966 0.45150563099999996 0.154444421
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f513e3b6fe0>