Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.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 0.001702/0.001702, allocations: 104.3 kB / 19.7 MB, free: 2.09 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 0.001596/0.001596, allocations: 208.4 kB / 22.99 MB, free: 4.926 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: 7.816 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 0.9904/0.9904, allocations: 149.9 MB / 463 MB, free: 10.36 MB / 366.1 MB
"
[Timeout remaining time 179]
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: "" <> buildModelFMU(IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse,fileNamePrefix="IBPSA_latest_IBPSA_Experimental_Benchmarks_AirFlow_Examples_ZoneStepResponse",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse,fileNamePrefix="IBPSA_latest_IBPSA_Experimental_Benchmarks_AirFlow_Examples_ZoneStepResponse",fmuType="me",version="2.0",platforms={"static"}) [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 0.002085/0.002085, allocations: 74.7 kB / 0.6411 GB, free: 10.18 MB / 478.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2115/0.2136, allocations: 89.17 MB / 0.7281 GB, free: 1.082 MB / 0.545 GB
Notification: Performance of NFInst.instantiate(IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse): time 0.6564/0.8699, allocations: 174.7 MB / 0.8987 GB, free: 6.469 MB / 0.67 GB
Notification: Performance of NFInst.instExpressions: time 0.02/0.8899, allocations: 9.483 MB / 0.908 GB, free: 12.96 MB / 0.6856 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002446/0.8924, allocations: 63.5 kB / 0.9081 GB, free: 12.9 MB / 0.6856 GB
Notification: Performance of NFTyping.typeComponents: time 0.002616/0.895, allocations: 0.7373 MB / 0.9088 GB, free: 12.16 MB / 0.6856 GB
Notification: Performance of NFTyping.typeBindings: time 0.007858/0.9029, allocations: 2.563 MB / 0.9113 GB, free: 9.594 MB / 0.6856 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004777/0.9076, allocations: 1.667 MB / 0.9129 GB, free: 7.938 MB / 0.6856 GB
Notification: Performance of NFFlatten.flatten: time 0.006368/0.914, allocations: 4.393 MB / 0.9172 GB, free: 3.531 MB / 0.6856 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003566/0.9176, allocations: 1.64 MB / 0.9188 GB, free: 1.84 MB / 0.6856 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004093/0.9217, allocations: 1.811 MB / 0.9206 GB, free: 24 kB / 0.6856 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003343/0.925, allocations: 1.448 MB / 0.922 GB, free: 14.58 MB / 0.7012 GB
Notification: Performance of NFPackage.collectConstants: time 0.0008625/0.9259, allocations: 288 kB / 0.9223 GB, free: 14.3 MB / 0.7012 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004732/0.9306, allocations: 1.93 MB / 0.9241 GB, free: 12.36 MB / 0.7012 GB
Notification: Performance of NFScalarize.scalarize: time 0.001395/0.932, allocations: 0.8804 MB / 0.925 GB, free: 11.48 MB / 0.7012 GB
Notification: Performance of NFVerifyModel.verify: time 0.002501/0.9345, allocations: 1.12 MB / 0.9261 GB, free: 10.36 MB / 0.7012 GB
Notification: Performance of NFConvertDAE.convert: time 0.008991/0.9435, allocations: 4.516 MB / 0.9305 GB, free: 5.824 MB / 0.7012 GB
Notification: Performance of FrontEnd - DAE generated: time 5.18e-06/0.9435, allocations: 0 / 0.9305 GB, free: 5.824 MB / 0.7012 GB
Notification: Performance of FrontEnd: time 4.499e-06/0.9435, allocations: 3.984 kB / 0.9305 GB, free: 5.82 MB / 0.7012 GB
Notification: Performance of Transformations before backend: time 0.0001298/0.9436, allocations: 4 kB / 0.9305 GB, free: 5.816 MB / 0.7012 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 521
 * Number of variables: 521
Notification: Performance of Generate backend data structure: time 0.01397/0.9576, allocations: 2.912 MB / 0.9334 GB, free: 2.859 MB / 0.7012 GB
Notification: Performance of prepare preOptimizeDAE: time 6.685e-05/0.9577, allocations: 8.031 kB / 0.9334 GB, free: 2.852 MB / 0.7012 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001864/0.9595, allocations: 315.1 kB / 0.9337 GB, free: 2.535 MB / 0.7012 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007557/0.9671, allocations: 0.8372 MB / 0.9345 GB, free: 1.695 MB / 0.7012 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004461/0.9716, allocations: 1.477 MB / 0.9359 GB, free: 168 kB / 0.7012 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000235/0.9718, allocations: 159.9 kB / 0.9361 GB, free: 8 kB / 0.7012 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008013/0.9726, allocations: 188.1 kB / 0.9363 GB, free: 15.82 MB / 0.7169 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.007513/0.9801, allocations: 3.138 MB / 0.9393 GB, free: 12.53 MB / 0.7169 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.441e-05/0.9802, allocations: 7.953 kB / 0.9393 GB, free: 12.52 MB / 0.7169 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003997/0.9806, allocations: 79.94 kB / 0.9394 GB, free: 12.44 MB / 0.7169 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001268/0.9807, allocations: 104 kB / 0.9395 GB, free: 12.34 MB / 0.7169 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007653/0.9883, allocations: 3.454 MB / 0.9429 GB, free: 8.863 MB / 0.7169 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 0.01579/1.004, allocations: 6.284 MB / 0.949 GB, free: 2.492 MB / 0.7169 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.00602/1.01, allocations: 2.722 MB / 0.9517 GB, free: 15.76 MB / 0.7325 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.002704/1.013, allocations: 1.302 MB / 0.9529 GB, free: 14.46 MB / 0.7325 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003636/1.013, allocations: 77.95 kB / 0.953 GB, free: 14.39 MB / 0.7325 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003282/1.017, allocations: 1.795 MB / 0.9548 GB, free: 12.52 MB / 0.7325 GB
Notification: Performance of pre-optimization done (n=216): time 5.3e-06/1.017, allocations: 3.938 kB / 0.9548 GB, free: 12.52 MB / 0.7325 GB
Notification: Performance of matching and sorting (n=216): time 0.01038/1.027, allocations: 3.951 MB / 0.9586 GB, free: 8.559 MB / 0.7325 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001725/1.027, allocations: 205.9 kB / 0.9588 GB, free: 8.312 MB / 0.7325 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002515/1.03, allocations: 1.276 MB / 0.9601 GB, free: 7.016 MB / 0.7325 GB
Notification: Performance of collectPreVariables (initialization): time 0.0003773/1.03, allocations: 65.7 kB / 0.9601 GB, free: 6.945 MB / 0.7325 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009552/1.031, allocations: 0.804 MB / 0.9609 GB, free: 6.133 MB / 0.7325 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00111/1.032, allocations: 0.7436 MB / 0.9616 GB, free: 5.383 MB / 0.7325 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001035/1.033, allocations: 375.5 kB / 0.962 GB, free: 5.008 MB / 0.7325 GB
Notification: Performance of setup shared object (initialization): time 0.0001343/1.033, allocations: 305.1 kB / 0.9623 GB, free: 4.707 MB / 0.7325 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002566/1.036, allocations: 1.144 MB / 0.9634 GB, free: 3.559 MB / 0.7325 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002951/1.039, allocations: 1.569 MB / 0.9649 GB, free: 1.891 MB / 0.7325 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005345/1.044, allocations: 2.506 MB / 0.9674 GB, free: 15.36 MB / 0.7481 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.308e-05/1.044, allocations: 4.875 kB / 0.9674 GB, free: 15.36 MB / 0.7481 GB
Notification: Performance of matching and sorting (n=256) (initialization): time 0.006923/1.051, allocations: 2.953 MB / 0.9703 GB, free: 12.39 MB / 0.7481 GB
Notification: Performance of prepare postOptimizeDAE: time 3.173e-05/1.051, allocations: 8 kB / 0.9703 GB, free: 12.38 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.25e-05/1.051, allocations: 0 / 0.9703 GB, free: 12.38 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0006503/1.052, allocations: 92.77 kB / 0.9704 GB, free: 12.29 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002703/1.054, allocations: 467.3 kB / 0.9708 GB, free: 11.83 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002495/1.057, allocations: 1.526 MB / 0.9723 GB, free: 10.18 MB / 0.7481 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002704/1.06, allocations: 254.4 kB / 0.9726 GB, free: 9.934 MB / 0.7481 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003378/1.06, allocations: 75.97 kB / 0.9726 GB, free: 9.859 MB / 0.7481 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 8
 * Number of states: 0 ()
 * Number of discrete variables: 15 (weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,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 (254):
 * Single equations (assignments): 253
 * 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 0.001436/1.061, allocations: 0.5364 MB / 0.9731 GB, free: 9.312 MB / 0.7481 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007541/1.062, allocations: 202.7 kB / 0.9733 GB, free: 9.113 MB / 0.7481 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007795/1.07, allocations: 3.189 MB / 0.9765 GB, free: 5.902 MB / 0.7481 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.433e-05/1.07, allocations: 20 kB / 0.9765 GB, free: 5.883 MB / 0.7481 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.225e-05/1.07, allocations: 0 / 0.9765 GB, free: 5.883 MB / 0.7481 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.006313/1.076, allocations: 2.938 MB / 0.9793 GB, free: 2.852 MB / 0.7481 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01367/1.09, allocations: 5.904 MB / 0.9851 GB, free: 12.82 MB / 0.7637 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.743e-05/1.09, allocations: 4 kB / 0.9851 GB, free: 12.82 MB / 0.7637 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002504/1.092, allocations: 423.4 kB / 0.9855 GB, free: 12.41 MB / 0.7637 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0006889/1.093, allocations: 129.8 kB / 0.9856 GB, free: 12.27 MB / 0.7637 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002697/1.093, allocations: 59.97 kB / 0.9857 GB, free: 12.21 MB / 0.7637 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003648/1.097, allocations: 2.999 MB / 0.9886 GB, free: 8.98 MB / 0.7637 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.331e-06/1.097, allocations: 4 kB / 0.9886 GB, free: 8.977 MB / 0.7637 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01111/1.108, allocations: 4.837 MB / 0.9934 GB, free: 4.059 MB / 0.7637 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002152/1.11, allocations: 0.537 MB / 0.9939 GB, free: 3.52 MB / 0.7637 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007118/1.111, allocations: 48 kB / 0.9939 GB, free: 3.473 MB / 0.7637 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002465/1.113, allocations: 131.9 kB / 0.9941 GB, free: 3.344 MB / 0.7637 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005203/1.114, allocations: 173.6 kB / 0.9942 GB, free: 3.172 MB / 0.7637 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003023/1.114, allocations: 79.95 kB / 0.9943 GB, free: 3.094 MB / 0.7637 GB
Notification: Performance of sorting global known variables: time 0.001955/1.116, allocations: 0.8693 MB / 0.9951 GB, free: 2.223 MB / 0.7637 GB
Notification: Performance of sort global known variables: time 1.1e-07/1.116, allocations: 0 / 0.9951 GB, free: 2.223 MB / 0.7637 GB
Notification: Performance of remove unused functions: time 0.002803/1.119, allocations: 0.7682 MB / 0.9959 GB, free: 1.453 MB / 0.7637 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 20
 * Number of states: 5 (simpleZone.volRoom.dynBal.medium.Xi[1],simpleZone.volRoom.dynBal.U,simpleZone.volRoom.dynBal.m,simpleZone.door.mExcAB,simpleZone.door.mExcBA)
 * Number of discrete variables: 10 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext)
 * Number of discrete states: 5 (weaDat.locTim.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (225):
 * Single equations (assignments): 218
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 5
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(1,2,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(1,3)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.01311/1.132, allocations: 6.031 MB / 1.002 GB, free: 11.58 MB / 0.7794 GB
Notification: Performance of simCode: created initialization part: time 0.006574/1.139, allocations: 2.733 MB / 1.004 GB, free: 8.836 MB / 0.7794 GB
Notification: Performance of simCode: created event and clocks part: time 1.583e-05/1.139, allocations: 7.953 kB / 1.004 GB, free: 8.828 MB / 0.7794 GB
Notification: Performance of simCode: created simulation system equations: time 0.003676/1.142, allocations: 1.615 MB / 1.006 GB, free: 7.191 MB / 0.7794 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00423/1.147, allocations: 0.7953 MB / 1.007 GB, free: 6.441 MB / 0.7794 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03768/1.184, allocations: 17.39 MB / 1.024 GB, free: 4.625 MB / 0.795 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002641/1.187, allocations: 0.9831 MB / 1.025 GB, free: 3.602 MB / 0.795 GB
Notification: Performance of simCode: alias equations: time 0.005429/1.192, allocations: 0.8002 MB / 1.026 GB, free: 2.797 MB / 0.795 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002991/1.195, allocations: 0.8585 MB / 1.026 GB, free: 1.938 MB / 0.795 GB
Notification: Performance of SimCode: time 2.455e-06/1.195, allocations: 0 / 1.026 GB, free: 1.938 MB / 0.795 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1308/1.326, allocations: 59.53 MB / 1.085 GB, free: 7.023 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.86/17.19, allocations: 3.953 kB / 1.085 GB, free: 7.02 MB / 0.8575 GB
"
[Timeout remaining time 643]
(rm -f IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe ; mkfifo IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe >> ../files/IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --tempDir=temp_IBPSA_latest_IBPSA_Experimental_Benchmarks_AirFlow_Examples_ZoneStepResponse_fmu --startTime=0 --stopTime=6e+06 --stepSize=200 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_Experimental_Benchmarks_AirFlow_Examples_ZoneStepResponse.fmu > IBPSA_latest_IBPSA.Experimental.Benchmarks.AirFlow.Examples.ZoneStepResponse.pipe 2>&1) [Timeout 52.5]
[Calling sys.exit(0), Time elapsed: 22.70658453600481]
Failed to read output from testmodel.py, exit status != 0:
17.452285500243306 17.80672106 16.860357332
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7faaac8f6fb0>