Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.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 0.001263/0.001263, allocations: 119.2 kB / 19.69 MB, free: 2.199 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 0.001442/0.001442, allocations: 227.2 kB / 23.01 MB, free: 5.043 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 1.571/1.571, allocations: 230.6 MB / 256.8 MB, free: 7.961 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 0.9882/0.9882, allocations: 150 MB / 463.1 MB, free: 10.91 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.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold")
translateModel(IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold") [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 0.002056/0.002056, allocations: 71.86 kB / 0.6417 GB, free: 9.953 MB / 478.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2123/0.2144, allocations: 89.16 MB / 0.7288 GB, free: 0.8477 MB / 0.545 GB
Notification: Performance of NFInst.instantiate(IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold): time 0.002628/0.217, allocations: 1.07 MB / 0.7299 GB, free: 15.78 MB / 0.5606 GB
Notification: Performance of NFInst.instExpressions: time 0.002464/0.2194, allocations: 1.673 MB / 0.7315 GB, free: 14.09 MB / 0.5606 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0001241/0.2196, allocations: 7.938 kB / 0.7315 GB, free: 14.08 MB / 0.5606 GB
Notification: Performance of NFTyping.typeComponents: time 0.0001482/0.2197, allocations: 19.73 kB / 0.7315 GB, free: 14.06 MB / 0.5606 GB
Notification: Performance of NFTyping.typeBindings: time 0.0001351/0.2199, allocations: 43.64 kB / 0.7316 GB, free: 14.02 MB / 0.5606 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0006184/0.2205, allocations: 220.9 kB / 0.7318 GB, free: 13.8 MB / 0.5606 GB
Notification: Performance of NFFlatten.flatten: time 0.0003977/0.2209, allocations: 339.2 kB / 0.7321 GB, free: 13.47 MB / 0.5606 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0001708/0.221, allocations: 51.03 kB / 0.7321 GB, free: 13.42 MB / 0.5606 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0001867/0.2212, allocations: 127.7 kB / 0.7323 GB, free: 13.3 MB / 0.5606 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0001769/0.2214, allocations: 127.5 kB / 0.7324 GB, free: 13.17 MB / 0.5606 GB
Notification: Performance of NFPackage.collectConstants: time 5.534e-05/0.2215, allocations: 32 kB / 0.7324 GB, free: 13.14 MB / 0.5606 GB
Notification: Performance of NFFlatten.collectFunctions: time 9.551e-05/0.2216, allocations: 43.98 kB / 0.7325 GB, free: 13.1 MB / 0.5606 GB
Notification: Performance of NFScalarize.scalarize: time 6.553e-05/0.2216, allocations: 63.77 kB / 0.7325 GB, free: 13.04 MB / 0.5606 GB
Notification: Performance of NFVerifyModel.verify: time 0.0001479/0.2218, allocations: 123.5 kB / 0.7326 GB, free: 12.91 MB / 0.5606 GB
Notification: Performance of NFConvertDAE.convert: time 0.0004325/0.2222, allocations: 366.7 kB / 0.733 GB, free: 12.55 MB / 0.5606 GB
Notification: Performance of FrontEnd - DAE generated: time 2.955e-06/0.2222, allocations: 4 kB / 0.733 GB, free: 12.55 MB / 0.5606 GB
Notification: Performance of FrontEnd: time 1.172e-06/0.2222, allocations: 0 / 0.733 GB, free: 12.55 MB / 0.5606 GB
Notification: Performance of Transformations before backend: time 1.084e-05/0.2222, allocations: 0 / 0.733 GB, free: 12.55 MB / 0.5606 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 34
 * Number of variables: 34
Notification: Performance of Generate backend data structure: time 0.0009375/0.2232, allocations: 483.7 kB / 0.7334 GB, free: 12.04 MB / 0.5606 GB
Notification: Performance of prepare preOptimizeDAE: time 3.62e-05/0.2232, allocations: 8.031 kB / 0.7335 GB, free: 12.03 MB / 0.5606 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 7.734e-05/0.2233, allocations: 20.84 kB / 0.7335 GB, free: 12.01 MB / 0.5606 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003987/0.2237, allocations: 218.1 kB / 0.7337 GB, free: 11.77 MB / 0.5606 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.398e-05/0.2237, allocations: 16.66 kB / 0.7337 GB, free: 11.76 MB / 0.5606 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 5.244e-05/0.2238, allocations: 28.36 kB / 0.7337 GB, free: 11.73 MB / 0.5606 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.000368/0.2241, allocations: 180.1 kB / 0.7339 GB, free: 11.55 MB / 0.5606 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.588e-06/0.2241, allocations: 3.938 kB / 0.7339 GB, free: 11.55 MB / 0.5606 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.896e-05/0.2242, allocations: 7.984 kB / 0.7339 GB, free: 11.54 MB / 0.5606 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.61e-06/0.2242, allocations: 4 kB / 0.7339 GB, free: 11.54 MB / 0.5606 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002979/0.2245, allocations: 132.8 kB / 0.734 GB, free: 11.41 MB / 0.5606 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001036/0.2255, allocations: 0.6087 MB / 0.7346 GB, free: 10.75 MB / 0.5606 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0004661/0.226, allocations: 170.8 kB / 0.7348 GB, free: 10.58 MB / 0.5606 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001717/0.2261, allocations: 72.81 kB / 0.7349 GB, free: 10.5 MB / 0.5606 GB
Notification: Performance of preOpt evalFunc (simulation): time 2.83e-05/0.2262, allocations: 7.906 kB / 0.7349 GB, free: 10.5 MB / 0.5606 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003919/0.2266, allocations: 193.1 kB / 0.7351 GB, free: 10.3 MB / 0.5606 GB
Notification: Performance of pre-optimization done (n=25): time 1.713e-06/0.2266, allocations: 4 kB / 0.7351 GB, free: 10.29 MB / 0.5606 GB
Notification: Performance of matching and sorting (n=25): time 0.0007399/0.2273, allocations: 332.6 kB / 0.7354 GB, free: 9.965 MB / 0.5606 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.501e-05/0.2274, allocations: 59.34 kB / 0.7354 GB, free: 9.895 MB / 0.5606 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001857/0.2275, allocations: 184 kB / 0.7356 GB, free: 9.707 MB / 0.5606 GB
Notification: Performance of collectPreVariables (initialization): time 5.017e-05/0.2276, allocations: 41.7 kB / 0.7357 GB, free: 9.66 MB / 0.5606 GB
Notification: Performance of collectInitialEqns (initialization): time 9.932e-05/0.2277, allocations: 124.7 kB / 0.7358 GB, free: 9.535 MB / 0.5606 GB
Notification: Performance of collectInitialBindings (initialization): time 6.401e-05/0.2278, allocations: 67.47 kB / 0.7358 GB, free: 9.469 MB / 0.5606 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000127/0.2279, allocations: 89.53 kB / 0.7359 GB, free: 9.375 MB / 0.5606 GB
Notification: Performance of setup shared object (initialization): time 0.0001523/0.228, allocations: 330.8 kB / 0.7362 GB, free: 9.043 MB / 0.5606 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001999/0.2282, allocations: 95.95 kB / 0.7363 GB, free: 8.949 MB / 0.5606 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002311/0.2285, allocations: 140.8 kB / 0.7365 GB, free: 8.797 MB / 0.5606 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0003167/0.2288, allocations: 217 kB / 0.7367 GB, free: 8.566 MB / 0.5606 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.408e-06/0.2288, allocations: 3.938 kB / 0.7367 GB, free: 8.562 MB / 0.5606 GB
Notification: Performance of matching and sorting (n=38) (initialization): time 0.0005631/0.2293, allocations: 347.2 kB / 0.737 GB, free: 8.211 MB / 0.5606 GB
Notification: Performance of prepare postOptimizeDAE: time 5.078e-05/0.2294, allocations: 43.25 kB / 0.737 GB, free: 8.164 MB / 0.5606 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.853e-06/0.2294, allocations: 0 / 0.737 GB, free: 8.164 MB / 0.5606 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.602e-05/0.2294, allocations: 0 / 0.737 GB, free: 8.164 MB / 0.5606 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001169/0.2295, allocations: 27.92 kB / 0.7371 GB, free: 8.137 MB / 0.5606 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.835e-06/0.2295, allocations: 0 / 0.7371 GB, free: 8.137 MB / 0.5606 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002564/0.2298, allocations: 55.91 kB / 0.7371 GB, free: 8.082 MB / 0.5606 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.577e-05/0.2298, allocations: 12 kB / 0.7371 GB, free: 8.07 MB / 0.5606 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 4
 * Number of states: 0 ()
 * Number of discrete variables: 31 ($whenCondition6,$whenCondition7,conChaWid.preBre.y,$PRE.conChaWid.preBre.u,$whenCondition1,conPul1.booPul.y,$PRE.conPul1.booPul.y,conChaWid.truFalHol.entryTimeFalse,$PRE.conChaWid.truFalHol.entryTimeFalse,conChaWid.truFalHol.entryTimeTrue,$PRE.conChaWid.truFalHol.entryTimeTrue,conChaWid.truFalHol.not_y,$PRE.conChaWid.truFalHol.not_y,conChaWid.truFalHol.not_u,$PRE.conChaWid.truFalHol.not_u,conChaWid.truFalHol.y,$PRE.conChaWid.truFalHol.y,conChaWid.truFalHol.u,$PRE.conChaWid.truFalHol.u,conChaWid.cycOut.t0,$PRE.conChaWid.cycOut.t0,conChaWid.preBre.u,conChaWid.edg2.y,conChaWid.edg2.u,$PRE.conChaWid.edg2.u,conChaWid.triSam.y,$PRE.conChaWid.triSam.y,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (36):
 * Single equations (assignments): 35
 * Array equations: 0
 * Algorithm blocks: 1
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.0001628/0.23, allocations: 157.7 kB / 0.7373 GB, free: 7.906 MB / 0.5606 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 3.376e-05/0.23, allocations: 15.91 kB / 0.7373 GB, free: 7.891 MB / 0.5606 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005543/0.2306, allocations: 271.5 kB / 0.7376 GB, free: 7.617 MB / 0.5606 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.67e-06/0.2306, allocations: 4 kB / 0.7376 GB, free: 7.613 MB / 0.5606 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.959e-06/0.2306, allocations: 0 / 0.7376 GB, free: 7.613 MB / 0.5606 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.753e-06/0.2306, allocations: 3.984 kB / 0.7376 GB, free: 7.609 MB / 0.5606 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009265/0.2315, allocations: 0.6321 MB / 0.7382 GB, free: 6.93 MB / 0.5606 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.784e-06/0.2315, allocations: 3.938 kB / 0.7382 GB, free: 6.926 MB / 0.5606 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 7.071e-05/0.2316, allocations: 19.92 kB / 0.7382 GB, free: 6.906 MB / 0.5606 GB
Notification: Performance of postOpt tearingSystem (simulation): time 2.975e-06/0.2316, allocations: 0 / 0.7382 GB, free: 6.906 MB / 0.5606 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.607e-05/0.2316, allocations: 15.98 kB / 0.7382 GB, free: 6.891 MB / 0.5606 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.923e-06/0.2316, allocations: 0 / 0.7382 GB, free: 6.891 MB / 0.5606 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.343e-06/0.2316, allocations: 0 / 0.7382 GB, free: 6.891 MB / 0.5606 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005454/0.2322, allocations: 362 kB / 0.7386 GB, free: 6.523 MB / 0.5606 GB
Notification: Performance of postOpt removeConstants (simulation): time 3.127e-05/0.2322, allocations: 15.89 kB / 0.7386 GB, free: 6.508 MB / 0.5606 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.974e-05/0.2323, allocations: 15.98 kB / 0.7386 GB, free: 6.492 MB / 0.5606 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001434/0.2324, allocations: 19.97 kB / 0.7386 GB, free: 6.473 MB / 0.5606 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 9.875e-05/0.2325, allocations: 31.95 kB / 0.7387 GB, free: 6.441 MB / 0.5606 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.37e-05/0.2325, allocations: 19.92 kB / 0.7387 GB, free: 6.422 MB / 0.5606 GB
Notification: Performance of sorting global known variables: time 0.0001167/0.2327, allocations: 129 kB / 0.7388 GB, free: 6.297 MB / 0.5606 GB
Notification: Performance of sort global known variables: time 6e-08/0.2327, allocations: 0 / 0.7388 GB, free: 6.297 MB / 0.5606 GB
Notification: Performance of remove unused functions: time 0.0003232/0.233, allocations: 59.95 kB / 0.7388 GB, free: 6.238 MB / 0.5606 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 0 ()
 * Number of discrete variables: 20 (conChaWid.edg2.y,conChaWid.preBre.y,$whenCondition6,$whenCondition7,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,conChaWid.triSam.y,conChaWid.edg2.u,conChaWid.preBre.u,conChaWid.cycOut.t0,conChaWid.truFalHol.u,conChaWid.truFalHol.y,conChaWid.truFalHol.not_u,conChaWid.truFalHol.not_y,conChaWid.truFalHol.entryTimeTrue,conChaWid.truFalHol.entryTimeFalse,conPul1.booPul.y)
 * Number of discrete states: 8 (conChaWid.truFalHol.entryTimeFalse,conChaWid.truFalHol.entryTimeTrue,conChaWid.preBre.u,conChaWid.edg2.u,conChaWid.truFalHol.u,conChaWid.truFalHol.not_u,conChaWid.truFalHol.y,conChaWid.truFalHol.not_y)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (26):
 * Single equations (assignments): 20
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 6
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of Backend phase and start with SimCode phase: time 0.000213/0.2332, allocations: 136.8 kB / 0.739 GB, free: 6.098 MB / 0.5606 GB
Notification: Performance of simCode: created initialization part: time 0.0005421/0.2337, allocations: 280.1 kB / 0.7392 GB, free: 5.812 MB / 0.5606 GB
Notification: Performance of simCode: created event and clocks part: time 1.883e-06/0.2337, allocations: 0 / 0.7392 GB, free: 5.812 MB / 0.5606 GB
Notification: Performance of simCode: created simulation system equations: time 0.0002163/0.234, allocations: 99.83 kB / 0.7393 GB, free: 5.715 MB / 0.5606 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004149/0.2344, allocations: 44.09 kB / 0.7394 GB, free: 5.672 MB / 0.5606 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0007813/0.2351, allocations: 360.8 kB / 0.7397 GB, free: 5.297 MB / 0.5606 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003942/0.2355, allocations: 0.7323 MB / 0.7404 GB, free: 4.535 MB / 0.5606 GB
Notification: Performance of simCode: alias equations: time 8.32e-05/0.2356, allocations: 29.94 kB / 0.7405 GB, free: 4.504 MB / 0.5606 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 6.575e-05/0.2357, allocations: 23.44 kB / 0.7405 GB, free: 4.48 MB / 0.5606 GB
Notification: Performance of SimCode: time 4.21e-07/0.2357, allocations: 3.938 kB / 0.7405 GB, free: 4.477 MB / 0.5606 GB
Notification: Performance of Templates: time 0.008047/0.2437, allocations: 3.472 MB / 0.7439 GB, free: 1.055 MB / 0.5606 GB
"
[Timeout remaining time 660]
make -j1 -f IBPSA_latest_IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.makefile [Timeout 660]
(rm -f IBPSA_latest_IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.pipe ; mkfifo IBPSA_latest_IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.pipe >> ../files/IBPSA_latest_IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.sim & ./IBPSA_latest_IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Controls.OBC.CDL.Logical.Validation.VariablePulseMinHold.pipe 2>&1) [Timeout 480]
[Calling sys.exit(0), Time elapsed: 6.309729491826147]
Failed to read output from testmodel.py, exit status != 0:
0.25274617364630103 0.27176910200000004 0.045585532000000005
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fb40b50ef50>