Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HeatExchanger.kc_roundTube_KC.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 0.001248/0.001248, allocations: 112.2 kB / 21.22 MB, free: 0.7305 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 0.001436/0.001436, allocations: 212.2 kB / 24.53 MB, free: 4.066 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 1.405/1.405, allocations: 230.6 MB / 258.3 MB, free: 7.984 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/package.mo): time 0.2219/0.2219, allocations: 46.93 MB / 361.7 MB, free: 4.234 MB / 286.1 MB
"
[Timeout remaining time 180]
Using package ModelicaTest with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.1.0+maint.om/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(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HeatExchanger.kc_roundTube_KC,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_HeatExchanger_kc_roundTube_KC",fmuType="cs",version="2.0",platforms={"static"})
"" <> buildModelFMU(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HeatExchanger.kc_roundTube_KC,fileNamePrefix="ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_HeatExchanger_kc_roundTube_KC",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 0.001898/0.001898, allocations: 75.86 kB / 0.497 GB, free: 7.824 MB / 366.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3467/0.3486, allocations: 66.03 MB / 0.5615 GB, free: 4.391 MB / 398.1 MB
Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HeatExchanger.kc_roundTube_KC): time 0.004041/0.3526, allocations: 2.699 MB / 0.5641 GB, free: 1.672 MB / 398.1 MB
Notification: Performance of NFInst.instExpressions: time 0.002394/0.355, allocations: 1.503 MB / 0.5656 GB, free: 168 kB / 398.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00011/0.3551, allocations: 3.938 kB / 0.5656 GB, free: 164 kB / 398.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.0003364/0.3554, allocations: 123.2 kB / 0.5657 GB, free: 40 kB / 398.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.000371/0.3558, allocations: 130.9 kB / 0.5658 GB, free: 15.91 MB / 414.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.000581/0.3564, allocations: 271 kB / 0.5661 GB, free: 15.64 MB / 414.1 MB
Notification: Performance of NFFlatten.flatten: time 0.000323/0.3567, allocations: 278.1 kB / 0.5663 GB, free: 15.37 MB / 414.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 5.724e-05/0.3568, allocations: 12.94 kB / 0.5664 GB, free: 15.36 MB / 414.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0001281/0.3569, allocations: 103.3 kB / 0.5665 GB, free: 15.25 MB / 414.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.000208/0.3571, allocations: 123.2 kB / 0.5666 GB, free: 15.13 MB / 414.1 MB
Notification: Performance of NFPackage.collectConstants: time 2.366e-05/0.3571, allocations: 8 kB / 0.5666 GB, free: 15.12 MB / 414.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.0009903/0.3581, allocations: 0.6085 MB / 0.5672 GB, free: 14.52 MB / 414.1 MB
Notification: Performance of NFScalarize.scalarize: time 7.39e-05/0.3582, allocations: 47.66 kB / 0.5672 GB, free: 14.47 MB / 414.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0001331/0.3583, allocations: 135 kB / 0.5673 GB, free: 14.34 MB / 414.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.0007257/0.3591, allocations: 0.564 MB / 0.5679 GB, free: 13.77 MB / 414.1 MB
Notification: Performance of FrontEnd - DAE generated: time 3.997e-06/0.3591, allocations: 0 / 0.5679 GB, free: 13.77 MB / 414.1 MB
Notification: Performance of FrontEnd: time 1.222e-06/0.3591, allocations: 0 / 0.5679 GB, free: 13.77 MB / 414.1 MB
Notification: Performance of Transformations before backend: time 5.901e-06/0.3591, allocations: 0 / 0.5679 GB, free: 13.77 MB / 414.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 90
 * Number of variables: 90
Notification: Performance of Generate backend data structure: time 0.0008215/0.3599, allocations: 0.5636 MB / 0.5684 GB, free: 13.17 MB / 414.1 MB
Notification: Performance of prepare preOptimizeDAE: time 3.962e-05/0.3599, allocations: 12.02 kB / 0.5685 GB, free: 13.16 MB / 414.1 MB
Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 2.425e-05/0.3599, allocations: 13.19 kB / 0.5685 GB, free: 13.15 MB / 414.1 MB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 8.169e-05/0.36, allocations: 78.66 kB / 0.5685 GB, free: 13.06 MB / 414.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 6.893e-05/0.3601, allocations: 44.7 kB / 0.5686 GB, free: 13.02 MB / 414.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002556/0.3604, allocations: 190.1 kB / 0.5688 GB, free: 12.81 MB / 414.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.936e-05/0.3604, allocations: 29.12 kB / 0.5688 GB, free: 12.78 MB / 414.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.436e-05/0.3604, allocations: 36 kB / 0.5688 GB, free: 12.75 MB / 414.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007773/0.3612, allocations: 0.5763 MB / 0.5694 GB, free: 12.04 MB / 414.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.527e-05/0.3612, allocations: 7.938 kB / 0.5694 GB, free: 12.03 MB / 414.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.676e-05/0.3613, allocations: 27.92 kB / 0.5694 GB, free: 12 MB / 414.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.419e-05/0.3613, allocations: 12 kB / 0.5694 GB, free: 11.99 MB / 414.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000604/0.3619, allocations: 337 kB / 0.5698 GB, free: 11.66 MB / 414.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002771/0.3646, allocations: 4.023 MB / 0.5737 GB, free: 7.441 MB / 414.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.0002651/0.3649, allocations: 90.45 kB / 0.5738 GB, free: 7.344 MB / 414.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00013/0.365, allocations: 40.95 kB / 0.5738 GB, free: 7.301 MB / 414.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 2.724e-05/0.3651, allocations: 4 kB / 0.5738 GB, free: 7.297 MB / 414.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.068e-05/0.3651, allocations: 42.48 kB / 0.5739 GB, free: 7.246 MB / 414.1 MB
Notification: Performance of pre-optimization done (n=7): time 1.673e-06/0.3651, allocations: 0 / 0.5739 GB, free: 7.246 MB / 414.1 MB
Notification: Performance of matching and sorting (n=7): time 0.0005272/0.3656, allocations: 165.3 kB / 0.574 GB, free: 7.078 MB / 414.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.389e-05/0.3657, allocations: 55.39 kB / 0.5741 GB, free: 7.012 MB / 414.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004215/0.3661, allocations: 409.8 kB / 0.5745 GB, free: 6.602 MB / 414.1 MB
Notification: Performance of collectPreVariables (initialization): time 2.443e-05/0.3661, allocations: 29.7 kB / 0.5745 GB, free: 6.566 MB / 414.1 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0001906/0.3663, allocations: 263.5 kB / 0.5747 GB, free: 6.305 MB / 414.1 MB
Notification: Performance of collectInitialBindings (initialization): time 2.813e-05/0.3663, allocations: 23.8 kB / 0.5748 GB, free: 6.281 MB / 414.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001021/0.3664, allocations: 69.97 kB / 0.5748 GB, free: 6.203 MB / 414.1 MB
Notification: Performance of setup shared object (initialization): time 0.0001735/0.3666, allocations: 350.7 kB / 0.5752 GB, free: 5.852 MB / 414.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001671/0.3668, allocations: 56.61 kB / 0.5752 GB, free: 5.797 MB / 414.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003156/0.3671, allocations: 266.4 kB / 0.5755 GB, free: 5.434 MB / 414.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0005223/0.3676, allocations: 360.1 kB / 0.5758 GB, free: 4.98 MB / 414.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.976e-06/0.3676, allocations: 4 kB / 0.5758 GB, free: 4.977 MB / 414.1 MB
Notification: Performance of matching and sorting (n=39) (initialization): time 0.0006271/0.3682, allocations: 348.9 kB / 0.5762 GB, free: 4.629 MB / 414.1 MB
Notification: Performance of prepare postOptimizeDAE: time 1.994e-05/0.3683, allocations: 10.66 kB / 0.5762 GB, free: 4.621 MB / 414.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.078e-05/0.3683, allocations: 8 kB / 0.5762 GB, free: 4.613 MB / 414.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 2.086e-05/0.3683, allocations: 12 kB / 0.5762 GB, free: 4.602 MB / 414.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004743/0.3688, allocations: 112.5 kB / 0.5763 GB, free: 4.492 MB / 414.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000812/0.3696, allocations: 1.219 MB / 0.5775 GB, free: 3.227 MB / 414.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002758/0.3699, allocations: 63.5 kB / 0.5775 GB, free: 3.164 MB / 414.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.112e-05/0.3699, allocations: 24 kB / 0.5776 GB, free: 3.141 MB / 414.1 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 33
 * Number of states: 0 ()
 * Number of discrete variables: 5 (m_flow_IN_con_4.N,m_flow_IN_con_4.geometry,m_flow_IN_con_1.geometry,m_flow_IN_con_3.geometry,m_flow_IN_con_2.geometry)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (39):
 * Single equations (assignments): 37
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 2
 * 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): 2 systems
   {1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.0001584/0.3701, allocations: 153.8 kB / 0.5777 GB, free: 2.98 MB / 414.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 5.837e-05/0.3701, allocations: 35.77 kB / 0.5777 GB, free: 2.945 MB / 414.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004662/0.3706, allocations: 172.9 kB / 0.5779 GB, free: 2.773 MB / 414.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.53e-06/0.3706, allocations: 4 kB / 0.5779 GB, free: 2.77 MB / 414.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.797e-06/0.3706, allocations: 0 / 0.5779 GB, free: 2.77 MB / 414.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.059e-06/0.3706, allocations: 3.984 kB / 0.5779 GB, free: 2.766 MB / 414.1 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003129/0.3709, allocations: 244.5 kB / 0.5782 GB, free: 2.484 MB / 414.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.072e-06/0.3709, allocations: 0 / 0.5782 GB, free: 2.484 MB / 414.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000285/0.3712, allocations: 55.97 kB / 0.5782 GB, free: 2.43 MB / 414.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 4.92e-06/0.3712, allocations: 4 kB / 0.5782 GB, free: 2.426 MB / 414.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.088e-05/0.3712, allocations: 0 / 0.5782 GB, free: 2.426 MB / 414.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000762/0.372, allocations: 1.207 MB / 0.5794 GB, free: 1.172 MB / 414.1 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.317e-06/0.372, allocations: 3.984 kB / 0.5794 GB, free: 1.168 MB / 414.1 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003839/0.3724, allocations: 239.5 kB / 0.5796 GB, free: 0.918 MB / 414.1 MB
Notification: Performance of postOpt removeConstants (simulation): time 5.96e-05/0.3724, allocations: 39.62 kB / 0.5797 GB, free: 0.8789 MB / 414.1 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.26e-05/0.3725, allocations: 7.875 kB / 0.5797 GB, free: 0.8711 MB / 414.1 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000163/0.3726, allocations: 7.984 kB / 0.5797 GB, free: 0.8633 MB / 414.1 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 4.903e-05/0.3727, allocations: 11.98 kB / 0.5797 GB, free: 0.8516 MB / 414.1 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.23e-05/0.3727, allocations: 4 kB / 0.5797 GB, free: 0.8477 MB / 414.1 MB
Notification: Performance of sorting global known variables: time 0.0002998/0.373, allocations: 275.1 kB / 0.58 GB, free: 0.5859 MB / 414.1 MB
Notification: Performance of sort global known variables: time 8e-08/0.373, allocations: 0 / 0.58 GB, free: 0.5859 MB / 414.1 MB
Notification: Performance of remove unused functions: time 0.0005673/0.3736, allocations: 119.8 kB / 0.5801 GB, free: 480 kB / 414.1 MB
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 (7):
 * Single equations (assignments): 5
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 2
 * 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): 2 systems
   {1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of Backend phase and start with SimCode phase: time 0.001112/0.3747, allocations: 0.8502 MB / 0.5809 GB, free: 15.59 MB / 430.1 MB
Notification: Performance of simCode: created initialization part: time 0.0006521/0.3753, allocations: 204.7 kB / 0.5811 GB, free: 15.39 MB / 430.1 MB
Notification: Performance of simCode: created event and clocks part: time 2.564e-06/0.3753, allocations: 0 / 0.5811 GB, free: 15.39 MB / 430.1 MB
Notification: Performance of simCode: created simulation system equations: time 0.0002937/0.3756, allocations: 75.89 kB / 0.5812 GB, free: 15.32 MB / 430.1 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004773/0.3761, allocations: 43.44 kB / 0.5812 GB, free: 15.28 MB / 430.1 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004534/0.3806, allocations: 3.401 MB / 0.5845 GB, free: 11.59 MB / 430.1 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004547/0.3811, allocations: 0.7717 MB / 0.5853 GB, free: 10.8 MB / 430.1 MB
Notification: Performance of simCode: alias equations: time 0.0001349/0.3812, allocations: 42.89 kB / 0.5853 GB, free: 10.76 MB / 430.1 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001482/0.3814, allocations: 107.4 kB / 0.5854 GB, free: 10.65 MB / 430.1 MB
Notification: Performance of SimCode: time 5.41e-07/0.3814, allocations: 4 kB / 0.5854 GB, free: 10.65 MB / 430.1 MB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03162/0.413, allocations: 10.34 MB / 0.5955 GB, free: 0.5078 MB / 430.1 MB
Notification: Performance of buildModelFMU: Generate platform static: time 13.08/13.5, allocations: 8 kB / 0.5955 GB, free: 0.5 MB / 430.1 MB
"
[Timeout remaining time 646]
(rm -f ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HeatExchanger.kc_roundTube_KC.pipe ; mkfifo ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HeatExchanger.kc_roundTube_KC.pipe ; head -c 1048576 < ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HeatExchanger.kc_roundTube_KC.pipe >> ../files/ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HeatExchanger.kc_roundTube_KC.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HeatExchanger.kc_roundTube_KC_res.mat --tempDir=temp_ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_HeatExchanger_kc_roundTube_KC_fmu --startTime=0 --stopTime=1.01 --stepSize=0.000201879 --timeout=50 --tolerance=1e-06 ModelicaTest_4_1_0_ModelicaTest_Fluid_Dissipation_Verifications_HeatTransfer_HeatExchanger_kc_roundTube_KC.fmu > ModelicaTest_4.1.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.HeatExchanger.kc_roundTube_KC.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 16.483002663997468]
Failed to read output from testmodel.py, exit status != 0:
['time', 'Nu', 'm_flow[1]', 'm_flow[2]', 'm_flow[3]', 'm_flow[4]', 'kc_1', 'kc_4', 'Re_1', 'Re_4', 'input_Nu.y']
13.676700212003198 13.706889067 13.342390399
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fee9628b3a0>