Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0.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 0.001522/0.001522, allocations: 108.3 kB / 19.7 MB, free: 1.918 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 0.001762/0.001762, allocations: 215.1 kB / 22.99 MB, free: 4.973 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 1.497/1.497, allocations: 230.6 MB / 256.8 MB, free: 7.812 MB / 206.1 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: 149.9 MB / 463 MB, free: 10.33 MB / 366.1 MB
"
[Timeout remaining time 178]
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.Examples.Tutorial.SimpleHouse.SimpleHouse0,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0")
translateModel(IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0") [Timeout 660]
"Notification: IBPSA 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 0.002168/0.002168, allocations: 70.55 kB / 0.6415 GB, free: 9.648 MB / 478.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2167/0.2189, allocations: 89.17 MB / 0.7286 GB, free: 0.5469 MB / 0.545 GB
Notification: Performance of NFInst.instantiate(IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0): time 0.007396/0.2263, allocations: 4.479 MB / 0.733 GB, free: 12.04 MB / 0.5606 GB
Notification: Performance of NFInst.instExpressions: time 0.6031/0.8294, allocations: 132.7 MB / 0.8625 GB, free: 11.9 MB / 0.6387 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0008923/0.8303, allocations: 23.81 kB / 0.8626 GB, free: 11.88 MB / 0.6387 GB
Notification: Performance of NFTyping.typeComponents: time 0.0006352/0.8309, allocations: 201.1 kB / 0.8628 GB, free: 11.68 MB / 0.6387 GB
Notification: Performance of NFTyping.typeBindings: time 0.001792/0.8327, allocations: 0.5642 MB / 0.8633 GB, free: 11.14 MB / 0.6387 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001987/0.8347, allocations: 0.8675 MB / 0.8642 GB, free: 10.3 MB / 0.6387 GB
Notification: Performance of NFFlatten.flatten: time 0.001651/0.8363, allocations: 1.425 MB / 0.8655 GB, free: 8.871 MB / 0.6387 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0006987/0.837, allocations: 390 kB / 0.8659 GB, free: 8.465 MB / 0.6387 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0007101/0.8378, allocations: 0.5099 MB / 0.8664 GB, free: 7.953 MB / 0.6387 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0006264/0.8384, allocations: 475.5 kB / 0.8669 GB, free: 7.488 MB / 0.6387 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001738/0.8386, allocations: 123.4 kB / 0.867 GB, free: 7.371 MB / 0.6387 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001056/0.8396, allocations: 498.4 kB / 0.8675 GB, free: 6.887 MB / 0.6387 GB
Notification: Performance of NFScalarize.scalarize: time 0.0003232/0.8399, allocations: 315 kB / 0.8678 GB, free: 6.578 MB / 0.6387 GB
Notification: Performance of NFVerifyModel.verify: time 0.000516/0.8404, allocations: 469.8 kB / 0.8682 GB, free: 6.117 MB / 0.6387 GB
Notification: Performance of NFConvertDAE.convert: time 0.002349/0.8428, allocations: 1.715 MB / 0.8699 GB, free: 4.402 MB / 0.6387 GB
Notification: Performance of FrontEnd - DAE generated: time 5.991e-06/0.8428, allocations: 0 / 0.8699 GB, free: 4.402 MB / 0.6387 GB
Notification: Performance of FrontEnd: time 1.973e-06/0.8428, allocations: 0 / 0.8699 GB, free: 4.402 MB / 0.6387 GB
Notification: Performance of Transformations before backend: time 2.037e-05/0.8428, allocations: 4 kB / 0.8699 GB, free: 4.398 MB / 0.6387 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 214
 * Number of variables: 214
Notification: Performance of Generate backend data structure: time 0.002934/0.8458, allocations: 1.439 MB / 0.8713 GB, free: 2.922 MB / 0.6387 GB
Notification: Performance of prepare preOptimizeDAE: time 4.457e-05/0.8458, allocations: 8.031 kB / 0.8713 GB, free: 2.914 MB / 0.6387 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00145/0.8473, allocations: 236 kB / 0.8715 GB, free: 2.684 MB / 0.6387 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001341/0.8486, allocations: 0.7271 MB / 0.8722 GB, free: 1.93 MB / 0.6387 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000118/0.8487, allocations: 66 kB / 0.8723 GB, free: 1.867 MB / 0.6387 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001302/0.8488, allocations: 87.98 kB / 0.8724 GB, free: 1.781 MB / 0.6387 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001948/0.8508, allocations: 1.19 MB / 0.8735 GB, free: 496 kB / 0.6387 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.444e-05/0.8508, allocations: 0 / 0.8735 GB, free: 496 kB / 0.6387 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.486e-05/0.8509, allocations: 36 kB / 0.8736 GB, free: 460 kB / 0.6387 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.032e-05/0.8509, allocations: 20 kB / 0.8736 GB, free: 440 kB / 0.6387 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001823/0.8527, allocations: 1.054 MB / 0.8746 GB, free: 15.38 MB / 0.6544 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 0.004638/0.8574, allocations: 2.293 MB / 0.8769 GB, free: 13.03 MB / 0.6544 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001647/0.859, allocations: 0.7878 MB / 0.8776 GB, free: 12.24 MB / 0.6544 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0005517/0.8596, allocations: 286.7 kB / 0.8779 GB, free: 11.95 MB / 0.6544 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001021/0.8597, allocations: 24.62 kB / 0.8779 GB, free: 11.93 MB / 0.6544 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001062/0.8607, allocations: 0.5968 MB / 0.8785 GB, free: 11.29 MB / 0.6544 GB
Notification: Performance of pre-optimization done (n=86): time 3.296e-06/0.8607, allocations: 4 kB / 0.8785 GB, free: 11.29 MB / 0.6544 GB
Notification: Performance of matching and sorting (n=86): time 0.003483/0.8642, allocations: 1.16 MB / 0.8796 GB, free: 10.11 MB / 0.6544 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001803/0.8644, allocations: 200.9 kB / 0.8798 GB, free: 9.875 MB / 0.6544 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001006/0.8654, allocations: 0.6174 MB / 0.8804 GB, free: 9.25 MB / 0.6544 GB
Notification: Performance of collectPreVariables (initialization): time 9.568e-05/0.8655, allocations: 49.7 kB / 0.8805 GB, free: 9.195 MB / 0.6544 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000429/0.8659, allocations: 405.2 kB / 0.8809 GB, free: 8.793 MB / 0.6544 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0002851/0.8662, allocations: 293.5 kB / 0.8812 GB, free: 8.504 MB / 0.6544 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002955/0.8665, allocations: 178.6 kB / 0.8813 GB, free: 8.324 MB / 0.6544 GB
Notification: Performance of setup shared object (initialization): time 0.0002135/0.8667, allocations: 390.5 kB / 0.8817 GB, free: 7.938 MB / 0.6544 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006079/0.8673, allocations: 297.6 kB / 0.882 GB, free: 7.648 MB / 0.6544 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007618/0.8681, allocations: 0.5121 MB / 0.8825 GB, free: 7.09 MB / 0.6544 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001193/0.8693, allocations: 0.645 MB / 0.8831 GB, free: 6.43 MB / 0.6544 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.418e-06/0.8693, allocations: 0 / 0.8831 GB, free: 6.43 MB / 0.6544 GB
Notification: Performance of matching and sorting (n=108) (initialization): time 0.002179/0.8715, allocations: 0.9233 MB / 0.884 GB, free: 5.5 MB / 0.6544 GB
Notification: Performance of prepare postOptimizeDAE: time 2.402e-05/0.8715, allocations: 4 kB / 0.884 GB, free: 5.496 MB / 0.6544 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.146e-06/0.8715, allocations: 4 kB / 0.884 GB, free: 5.492 MB / 0.6544 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0005955/0.8721, allocations: 84.89 kB / 0.8841 GB, free: 5.406 MB / 0.6544 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000669/0.8728, allocations: 163.7 kB / 0.8843 GB, free: 5.246 MB / 0.6544 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002207/0.875, allocations: 1.5 MB / 0.8857 GB, free: 3.637 MB / 0.6544 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007566/0.8757, allocations: 87.5 kB / 0.8858 GB, free: 3.551 MB / 0.6544 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.98e-05/0.8758, allocations: 48.03 kB / 0.8859 GB, free: 3.504 MB / 0.6544 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 5
 * 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 (106):
 * Single equations (assignments): 105
 * 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 0.0005024/0.8763, allocations: 272.2 kB / 0.8861 GB, free: 3.23 MB / 0.6544 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001796/0.8765, allocations: 87.44 kB / 0.8862 GB, free: 3.145 MB / 0.6544 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00242/0.8789, allocations: 1.078 MB / 0.8873 GB, free: 2.059 MB / 0.6544 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.047e-05/0.8789, allocations: 8 kB / 0.8873 GB, free: 2.051 MB / 0.6544 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.967e-06/0.8789, allocations: 1.125 kB / 0.8873 GB, free: 2.051 MB / 0.6544 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.064e-05/0.8789, allocations: 3.984 kB / 0.8873 GB, free: 2.047 MB / 0.6544 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003687/0.8826, allocations: 1.879 MB / 0.8891 GB, free: 120 kB / 0.6544 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.22e-06/0.8826, allocations: 0 / 0.8891 GB, free: 120 kB / 0.6544 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005939/0.8832, allocations: 143.9 kB / 0.8892 GB, free: 15.97 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0004433/0.8837, allocations: 76.72 kB / 0.8893 GB, free: 15.9 MB / 0.67 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.579e-05/0.8837, allocations: 27.92 kB / 0.8893 GB, free: 15.87 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002386/0.8861, allocations: 1.533 MB / 0.8908 GB, free: 14.23 MB / 0.67 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.926e-06/0.8861, allocations: 0 / 0.8908 GB, free: 14.23 MB / 0.67 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002555/0.8887, allocations: 1.018 MB / 0.8918 GB, free: 13.19 MB / 0.67 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0004988/0.8892, allocations: 203 kB / 0.892 GB, free: 12.99 MB / 0.67 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001295/0.8893, allocations: 20 kB / 0.892 GB, free: 12.97 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006183/0.8899, allocations: 72.56 kB / 0.8921 GB, free: 12.9 MB / 0.67 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002026/0.8901, allocations: 80.8 kB / 0.8922 GB, free: 12.82 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.278e-05/0.8902, allocations: 27.98 kB / 0.8922 GB, free: 12.79 MB / 0.67 GB
Notification: Performance of sorting global known variables: time 0.0006927/0.8909, allocations: 447 kB / 0.8926 GB, free: 12.36 MB / 0.67 GB
Notification: Performance of sort global known variables: time 8.1e-08/0.8909, allocations: 0 / 0.8926 GB, free: 12.36 MB / 0.67 GB
Notification: Performance of remove unused functions: time 0.001259/0.8922, allocations: 338.9 kB / 0.893 GB, free: 12.03 MB / 0.67 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 0 ()
 * 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 (97):
 * Single equations (assignments): 86
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 10
 * 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
   {(1,3)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.002461/0.8946, allocations: 0.6437 MB / 0.8936 GB, free: 11.62 MB / 0.67 GB
Notification: Performance of simCode: created initialization part: time 0.00194/0.8966, allocations: 0.8392 MB / 0.8944 GB, free: 10.78 MB / 0.67 GB
Notification: Performance of simCode: created event and clocks part: time 8.626e-06/0.8966, allocations: 3.984 kB / 0.8944 GB, free: 10.77 MB / 0.67 GB
Notification: Performance of simCode: created simulation system equations: time 0.0009385/0.8975, allocations: 0.4885 MB / 0.8949 GB, free: 10.27 MB / 0.67 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001328/0.8988, allocations: 291.7 kB / 0.8952 GB, free: 10.01 MB / 0.67 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00334/0.9022, allocations: 1.743 MB / 0.8969 GB, free: 8.234 MB / 0.67 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000481/0.9026, allocations: 452.3 kB / 0.8973 GB, free: 7.762 MB / 0.67 GB
Notification: Performance of simCode: alias equations: time 0.0008379/0.9035, allocations: 258.7 kB / 0.8975 GB, free: 7.504 MB / 0.67 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002751/0.9038, allocations: 111.4 kB / 0.8977 GB, free: 7.395 MB / 0.67 GB
Notification: Performance of SimCode: time 9.02e-07/0.9038, allocations: 0 / 0.8977 GB, free: 7.395 MB / 0.67 GB
Notification: Performance of Templates: time 0.03098/0.9347, allocations: 16.69 MB / 0.914 GB, free: 6.957 MB / 0.6856 GB
"
[Timeout remaining time 659]
make -j1 -f IBPSA_latest_IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0.makefile [Timeout 660]
(rm -f IBPSA_latest_IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0.pipe ; mkfifo IBPSA_latest_IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0.pipe >> ../files/IBPSA_latest_IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0.sim & ./IBPSA_latest_IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse0.pipe 2>&1) [Timeout 480]
[Calling sys.exit(0), Time elapsed: 7.411528894677758]
Failed to read output from testmodel.py, exit status != 0:
0.9449884183704853 0.959183496 0.11311958100000001
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fac06002fe0>