Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable.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 0.001725/0.001725, allocations: 109.4 kB / 18.94 MB, free: 2.949 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 0.002034/0.002034, allocations: 220.7 kB / 22.26 MB, free: 5.125 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 1.566/1.566, allocations: 230.6 MB / 256 MB, free: 7.957 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-531:190:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-531:198:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo): time 1.272/1.272, allocations: 203.8 MB / 0.5041 GB, free: 4.949 MB / 414.1 MB " [Timeout remaining time 178] Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 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(IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable") translateModel(IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable") [Timeout 660] "Notification: IDEAS 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 0.002371/0.002371, allocations: 71.89 kB / 0.7187 GB, free: 2.273 MB / 0.5762 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6303/0.6327, allocations: 102 MB / 0.8183 GB, free: 29.41 MB / 0.6387 GB Notification: Performance of NFInst.instantiate(IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable): time 0.002082/0.6348, allocations: 0.8544 MB / 0.8192 GB, free: 28.88 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.001998/0.6368, allocations: 1.497 MB / 0.8206 GB, free: 27.81 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 9.391e-05/0.6369, allocations: 2.594 kB / 0.8206 GB, free: 27.81 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.0005579/0.6374, allocations: 198.4 kB / 0.8208 GB, free: 27.76 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.0001687/0.6376, allocations: 118.8 kB / 0.8209 GB, free: 27.72 MB / 0.6387 GB Notification: Performance of NFTyping.typeClassSections: time 0.001122/0.6387, allocations: 368.2 kB / 0.8213 GB, free: 27.54 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.001443/0.6402, allocations: 0.8925 MB / 0.8222 GB, free: 27.18 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002536/0.6404, allocations: 57.78 kB / 0.8222 GB, free: 27.16 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0007538/0.6412, allocations: 349.8 kB / 0.8226 GB, free: 27.05 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0006888/0.6419, allocations: 288.1 kB / 0.8228 GB, free: 26.97 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 0.0001729/0.642, allocations: 44.78 kB / 0.8229 GB, free: 26.97 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0004748/0.6425, allocations: 121.8 kB / 0.823 GB, free: 26.95 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.0006935/0.6432, allocations: 372 kB / 0.8233 GB, free: 26.82 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.0005112/0.6437, allocations: 270.9 kB / 0.8236 GB, free: 26.66 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.001664/0.6454, allocations: 0.9184 MB / 0.8245 GB, free: 26.37 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 7.274e-06/0.6454, allocations: 0 / 0.8245 GB, free: 26.37 MB / 0.6387 GB Notification: Performance of FrontEnd: time 4.117e-06/0.6454, allocations: 1.312 kB / 0.8245 GB, free: 26.37 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 1.912e-05/0.6454, allocations: 1.172 kB / 0.8245 GB, free: 26.37 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: 27 * Number of variables: 27 Notification: Performance of Generate backend data structure: time 0.002002/0.6474, allocations: 0.8266 MB / 0.8253 GB, free: 25.84 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 4.614e-05/0.6474, allocations: 10.84 kB / 0.8253 GB, free: 25.84 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002146/0.6477, allocations: 59.67 kB / 0.8254 GB, free: 25.81 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009624/0.6486, allocations: 498.5 kB / 0.8258 GB, free: 25.54 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.44e-05/0.6487, allocations: 21.84 kB / 0.8259 GB, free: 25.54 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001165/0.6488, allocations: 38.58 kB / 0.8259 GB, free: 25.53 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005241/0.6493, allocations: 312.3 kB / 0.8262 GB, free: 25.39 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.304e-05/0.6493, allocations: 192 / 0.8262 GB, free: 25.39 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.571e-05/0.6493, allocations: 6.516 kB / 0.8262 GB, free: 25.39 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.823e-06/0.6493, allocations: 3.688 kB / 0.8262 GB, free: 25.39 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003363/0.6497, allocations: 225.3 kB / 0.8264 GB, free: 25.32 MB / 0.6387 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002347/0.652, allocations: 1.158 MB / 0.8276 GB, free: 24.66 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007451/0.6528, allocations: 459.3 kB / 0.828 GB, free: 24.46 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002595/0.653, allocations: 179 kB / 0.8282 GB, free: 24.38 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 1.484e-05/0.653, allocations: 3.188 kB / 0.8282 GB, free: 24.38 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006614/0.6537, allocations: 333.5 kB / 0.8285 GB, free: 24.24 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=24): time 2.054e-06/0.6537, allocations: 0 / 0.8285 GB, free: 24.24 MB / 0.6387 GB Notification: Performance of matching and sorting (n=24): time 0.001238/0.6549, allocations: 0.6286 MB / 0.8291 GB, free: 24.02 MB / 0.6387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.033e-05/0.655, allocations: 119.7 kB / 0.8292 GB, free: 23.89 MB / 0.6387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008533/0.6559, allocations: 0.5922 MB / 0.8298 GB, free: 23.66 MB / 0.6387 GB Notification: Performance of collectPreVariables (initialization): time 0.0001057/0.656, allocations: 52.66 kB / 0.8298 GB, free: 23.61 MB / 0.6387 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002326/0.6562, allocations: 217.3 kB / 0.8301 GB, free: 23.43 MB / 0.6387 GB Notification: Performance of collectInitialBindings (initialization): time 5.888e-05/0.6563, allocations: 52.16 kB / 0.8301 GB, free: 23.39 MB / 0.6387 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003769/0.6566, allocations: 182.8 kB / 0.8303 GB, free: 23.34 MB / 0.6387 GB Notification: Performance of setup shared object (initialization): time 0.0001347/0.6568, allocations: 361 kB / 0.8306 GB, free: 23 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002223/0.657, allocations: 123 kB / 0.8307 GB, free: 22.97 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001027/0.658, allocations: 0.7152 MB / 0.8314 GB, free: 22.41 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003947/0.6584, allocations: 308.4 kB / 0.8317 GB, free: 22.2 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.017e-06/0.6584, allocations: 0 / 0.8317 GB, free: 22.2 MB / 0.6387 GB Notification: Performance of matching and sorting (n=36) (initialization): time 0.0008143/0.6592, allocations: 419.3 kB / 0.8321 GB, free: 22.03 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 2.856e-05/0.6593, allocations: 7.25 kB / 0.8321 GB, free: 22.03 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.434e-05/0.6593, allocations: 7.141 kB / 0.8321 GB, free: 22.03 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.114e-05/0.6593, allocations: 4.844 kB / 0.8321 GB, free: 22.03 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002033/0.6595, allocations: 39.52 kB / 0.8322 GB, free: 22.02 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.508e-05/0.6595, allocations: 6.406 kB / 0.8322 GB, free: 22.02 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001426/0.661, allocations: 140.2 kB / 0.8323 GB, free: 21.97 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.08e-05/0.661, allocations: 18.89 kB / 0.8323 GB, free: 21.96 MB / 0.6387 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 33 ($whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,booTimTab.intTimTab.idx,$PRE.booTimTab.intTimTab.idx,booTimTab.intTimTab.y[2],$PRE.booTimTab.intTimTab.y[2],booTimTab.intTimTab.y[1],$PRE.booTimTab.intTimTab.y[1],booTimTab.y[2],booTimTab.y[1],$whenCondition5,booTimTabOneRow.intTimTab.idx,$PRE.booTimTabOneRow.intTimTab.idx,booTimTabOneRow.intTimTab.y[2],$PRE.booTimTabOneRow.intTimTab.y[2],booTimTabOneRow.intTimTab.y[1],$PRE.booTimTabOneRow.intTimTab.y[1],booTimTabOneRow.y[2],booTimTabOneRow.y[1],$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,booTimTabTwi.intTimTab.idx,$PRE.booTimTabTwi.intTimTab.idx,booTimTabTwi.intTimTab.y[2],$PRE.booTimTabTwi.intTimTab.y[2],booTimTabTwi.intTimTab.y[1],$PRE.booTimTabTwi.intTimTab.y[1],booTimTabTwi.y[2],booTimTabTwi.y[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (36): * Single equations (assignments): 36 * Array equations: 0 * Algorithm blocks: 0 * 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 0.000436/0.6614, allocations: 258.2 kB / 0.8326 GB, free: 21.8 MB / 0.6387 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.581e-05/0.6615, allocations: 44.83 kB / 0.8326 GB, free: 21.78 MB / 0.6387 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001033/0.6616, allocations: 47.23 kB / 0.8327 GB, free: 21.76 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.574e-06/0.6616, allocations: 6.594 kB / 0.8327 GB, free: 21.76 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.118e-05/0.6616, allocations: 5.438 kB / 0.8327 GB, free: 21.75 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.127e-06/0.6616, allocations: 2.391 kB / 0.8327 GB, free: 21.75 MB / 0.6387 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005605/0.6622, allocations: 376.2 kB / 0.8331 GB, free: 21.52 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.495e-06/0.6622, allocations: 0 / 0.8331 GB, free: 21.52 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.611e-05/0.6622, allocations: 5.656 kB / 0.8331 GB, free: 21.52 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.799e-06/0.6622, allocations: 2.656 kB / 0.8331 GB, free: 21.52 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.494e-05/0.6623, allocations: 8.656 kB / 0.8331 GB, free: 21.52 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.885e-06/0.6623, allocations: 11.14 kB / 0.8331 GB, free: 21.51 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.906e-06/0.6623, allocations: 1.156 kB / 0.8331 GB, free: 21.51 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007537/0.663, allocations: 0.5155 MB / 0.8336 GB, free: 21.28 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001055/0.6631, allocations: 49.06 kB / 0.8336 GB, free: 21.25 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.684e-05/0.6632, allocations: 3.672 kB / 0.8336 GB, free: 21.25 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000169/0.6634, allocations: 21.5 kB / 0.8337 GB, free: 21.25 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001073/0.6635, allocations: 39.64 kB / 0.8337 GB, free: 21.23 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.476e-05/0.6635, allocations: 12.41 kB / 0.8337 GB, free: 21.23 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.0005572/0.6641, allocations: 436.8 kB / 0.8341 GB, free: 21.05 MB / 0.6387 GB Notification: Performance of sort global known variables: time 8e-08/0.6641, allocations: 1.219 kB / 0.8341 GB, free: 21.05 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.0006211/0.6647, allocations: 111.6 kB / 0.8342 GB, free: 21.03 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 24 ($whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,booTimTab.y[1],booTimTab.y[2],booTimTab.intTimTab.y[1],booTimTab.intTimTab.y[2],booTimTab.intTimTab.idx,$whenCondition5,booTimTabOneRow.y[1],booTimTabOneRow.y[2],booTimTabOneRow.intTimTab.y[1],booTimTabOneRow.intTimTab.y[2],booTimTabOneRow.intTimTab.idx,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,booTimTabTwi.y[1],booTimTabTwi.y[2],booTimTabTwi.intTimTab.y[1],booTimTabTwi.intTimTab.y[2],booTimTabTwi.intTimTab.idx) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (24): * Single equations (assignments): 15 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 9 * 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 0.0002655/0.6649, allocations: 150.7 kB / 0.8344 GB, free: 20.92 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.0006752/0.6656, allocations: 351.1 kB / 0.8347 GB, free: 20.82 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 2.685e-06/0.6656, allocations: 1.125 kB / 0.8347 GB, free: 20.82 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0002884/0.6659, allocations: 166.9 kB / 0.8349 GB, free: 20.77 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003492/0.6663, allocations: 39.38 kB / 0.8349 GB, free: 20.75 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001598/0.6679, allocations: 0.8445 MB / 0.8357 GB, free: 20.32 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004396/0.6683, allocations: 0.8373 MB / 0.8365 GB, free: 19.6 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.0003369/0.6686, allocations: 92.59 kB / 0.8366 GB, free: 19.59 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 9.894e-05/0.6687, allocations: 38.14 kB / 0.8367 GB, free: 19.57 MB / 0.6387 GB Notification: Performance of SimCode: time 8.32e-07/0.6687, allocations: 0 / 0.8367 GB, free: 19.57 MB / 0.6387 GB Notification: Performance of Templates: time 0.02002/0.6888, allocations: 8.089 MB / 0.8446 GB, free: 18.03 MB / 0.6387 GB " [Timeout remaining time 659] make -j1 -f IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable.makefile [Timeout 660] (rm -f IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable.pipe ; mkfifo IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable.pipe >> ../files/IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable.sim & ./IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Controls.OBC.CDL.Logical.Sources.Validation.TimeTable.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 7.051097771152854] Failed to read output from testmodel.py, exit status != 0: 0.6979152392596006 0.709380785 0.06129311399999994 Calling exit ...