Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Controls.OBC.CDL.Integers.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 0.001331/0.001331, allocations: 83 kB / 19.16 MB, free: 2.535 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 0.00163/0.00163, allocations: 168.7 kB / 22.43 MB, free: 5.34 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 1.403/1.403, allocations: 177.2 MB / 202.8 MB, free: 9.176 MB / 190.1 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 1.19/1.19, allocations: 155 MB / 414.2 MB, free: 4.945 MB / 382.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [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.Integers.Sources.Validation.TimeTable,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Controls.OBC.CDL.Integers.Sources.Validation.TimeTable") translateModel(IDEAS.Controls.OBC.CDL.Integers.Sources.Validation.TimeTable,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Controls.OBC.CDL.Integers.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 0.002071/0.002071, allocations: 66.64 kB / 0.6191 GB, free: 4.137 MB / 0.5294 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function. Notification: Performance of FrontEnd - Absyn->SCode: time 0.5245/0.5266, allocations: 102 MB / 0.7187 GB, free: 1.746 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(IDEAS.Controls.OBC.CDL.Integers.Sources.Validation.TimeTable): time 0.001664/0.5283, allocations: 0.6701 MB / 0.7194 GB, free: 1.328 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.001452/0.5297, allocations: 1.351 MB / 0.7207 GB, free: 388 kB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 5.879e-05/0.5298, allocations: 1.375 kB / 0.7207 GB, free: 388 kB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.0004869/0.5303, allocations: 195.5 kB / 0.7209 GB, free: 340 kB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.0001312/0.5304, allocations: 106.5 kB / 0.721 GB, free: 312 kB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.0006646/0.5311, allocations: 242.3 kB / 0.7212 GB, free: 188 kB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.0004756/0.5315, allocations: 480.7 kB / 0.7217 GB, free: 24 kB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 4.455e-05/0.5316, allocations: 12.12 kB / 0.7217 GB, free: 16 kB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0003297/0.5319, allocations: 254.1 kB / 0.7219 GB, free: 15.93 MB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003791/0.5323, allocations: 224.5 kB / 0.7222 GB, free: 15.89 MB / 0.6231 GB Notification: Performance of NFPackage.collectConstants: time 7.182e-05/0.5324, allocations: 21.16 kB / 0.7222 GB, free: 15.89 MB / 0.6231 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0002266/0.5326, allocations: 96.12 kB / 0.7223 GB, free: 15.87 MB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.0003913/0.533, allocations: 276.2 kB / 0.7225 GB, free: 15.79 MB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.0001934/0.5332, allocations: 132.8 kB / 0.7227 GB, free: 15.72 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.0008845/0.5341, allocations: 0.5354 MB / 0.7232 GB, free: 15.55 MB / 0.6231 GB Notification: Performance of FrontEnd - DAE generated: time 4.859e-06/0.5341, allocations: 4.531 kB / 0.7232 GB, free: 15.55 MB / 0.6231 GB Notification: Performance of FrontEnd: time 1.172e-06/0.5341, allocations: 3.938 kB / 0.7232 GB, free: 15.54 MB / 0.6231 GB Notification: Performance of Transformations before backend: time 9.317e-06/0.5341, allocations: 0.5312 kB / 0.7232 GB, free: 15.54 MB / 0.6231 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 8 * Number of variables: 8 Notification: Performance of Generate backend data structure: time 0.001202/0.5353, allocations: 0.5803 MB / 0.7238 GB, free: 15.12 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 4.307e-05/0.5353, allocations: 10.91 kB / 0.7238 GB, free: 15.12 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001484/0.5355, allocations: 31.12 kB / 0.7238 GB, free: 15.11 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005844/0.5361, allocations: 327 kB / 0.7241 GB, free: 14.91 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.539e-05/0.5361, allocations: 13.52 kB / 0.7241 GB, free: 14.9 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.068e-05/0.5362, allocations: 21.03 kB / 0.7241 GB, free: 14.9 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003202/0.5365, allocations: 196.2 kB / 0.7243 GB, free: 14.81 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.608e-06/0.5365, allocations: 192 / 0.7243 GB, free: 14.81 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.122e-05/0.5365, allocations: 6.344 kB / 0.7243 GB, free: 14.8 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.169e-06/0.5365, allocations: 1.406 kB / 0.7243 GB, free: 14.8 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001813/0.5367, allocations: 114.2 kB / 0.7244 GB, free: 14.78 MB / 0.6231 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0003901/0.5371, allocations: 270.7 kB / 0.7247 GB, free: 14.59 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004625/0.5376, allocations: 308.4 kB / 0.725 GB, free: 14.46 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001826/0.5377, allocations: 121.7 kB / 0.7251 GB, free: 14.41 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 1.277e-05/0.5378, allocations: 5.969 kB / 0.7251 GB, free: 14.41 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004791/0.5382, allocations: 291.8 kB / 0.7254 GB, free: 14.29 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=18): time 1.413e-06/0.5382, allocations: 1.125 kB / 0.7254 GB, free: 14.29 MB / 0.6231 GB Notification: Performance of matching and sorting (n=18): time 0.0008741/0.5391, allocations: 0.4902 MB / 0.7259 GB, free: 14.13 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.522e-05/0.5392, allocations: 114.6 kB / 0.726 GB, free: 14 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004904/0.5397, allocations: 405.2 kB / 0.7264 GB, free: 13.82 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 6.93e-05/0.5398, allocations: 36.98 kB / 0.7264 GB, free: 13.79 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001563/0.5399, allocations: 154.2 kB / 0.7266 GB, free: 13.66 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 6.706e-05/0.54, allocations: 50.11 kB / 0.7266 GB, free: 13.62 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001897/0.5402, allocations: 115.4 kB / 0.7267 GB, free: 13.58 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001696/0.5403, allocations: 346.4 kB / 0.727 GB, free: 13.25 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001294/0.5405, allocations: 82.91 kB / 0.7271 GB, free: 13.23 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000938/0.5414, allocations: 1.096 MB / 0.7282 GB, free: 12.07 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003213/0.5417, allocations: 252 kB / 0.7284 GB, free: 11.89 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.526e-06/0.5417, allocations: 1.781 kB / 0.7284 GB, free: 11.89 MB / 0.6231 GB Notification: Performance of matching and sorting (n=29) (initialization): time 0.0005347/0.5423, allocations: 332.6 kB / 0.7287 GB, free: 11.76 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 1.825e-05/0.5423, allocations: 6.469 kB / 0.7288 GB, free: 11.76 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.915e-06/0.5423, allocations: 3.875 kB / 0.7288 GB, free: 11.76 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.31e-05/0.5423, allocations: 10.44 kB / 0.7288 GB, free: 11.75 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001591/0.5425, allocations: 32.55 kB / 0.7288 GB, free: 11.75 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.453e-05/0.5425, allocations: 10.22 kB / 0.7288 GB, free: 11.74 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007494/0.5432, allocations: 62.91 kB / 0.7289 GB, free: 11.73 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.369e-05/0.5433, allocations: 14.7 kB / 0.7289 GB, free: 11.72 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * Number of states: 0 () * Number of discrete variables: 26 (tabOneRow.idx,$PRE.tabOneRow.idx,tabOneRow.y[1],$PRE.tabOneRow.y[1],$whenCondition10,intTimTab1.idx,$PRE.intTimTab1.idx,intTimTab1.y[2],$PRE.intTimTab1.y[2],intTimTab1.y[1],$PRE.intTimTab1.y[1],$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,intTimTab.idx,$PRE.intTimTab.idx,intTimTab.y[2],$PRE.intTimTab.y[2],intTimTab.y[1],$PRE.intTimTab.y[1],$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (29): * Single equations (assignments): 29 * 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 0.0002292/0.5435, allocations: 195.7 kB / 0.7291 GB, free: 11.58 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.753e-05/0.5435, allocations: 29.83 kB / 0.7291 GB, free: 11.57 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.2e-05/0.5436, allocations: 37.44 kB / 0.7291 GB, free: 11.55 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.888e-06/0.5436, allocations: 3.766 kB / 0.7291 GB, free: 11.55 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.704e-06/0.5436, allocations: 4.609 kB / 0.7291 GB, free: 11.55 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.3e-06/0.5436, allocations: 6.422 kB / 0.7291 GB, free: 11.54 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002728/0.5439, allocations: 203.9 kB / 0.7293 GB, free: 11.39 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.993e-06/0.5439, allocations: 1.562 kB / 0.7293 GB, free: 11.39 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 1.632e-05/0.5439, allocations: 8.078 kB / 0.7294 GB, free: 11.38 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.766e-06/0.5439, allocations: 1.844 kB / 0.7294 GB, free: 11.38 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.933e-05/0.5439, allocations: 5.609 kB / 0.7294 GB, free: 11.38 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.25e-06/0.5439, allocations: 6 kB / 0.7294 GB, free: 11.38 MB / 0.6231 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.013e-06/0.5439, allocations: 1.094 kB / 0.7294 GB, free: 11.38 MB / 0.6231 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006384/0.5446, allocations: 435.4 kB / 0.7298 GB, free: 11.2 MB / 0.6231 GB Notification: Performance of postOpt removeConstants (simulation): time 6.243e-05/0.5446, allocations: 22.19 kB / 0.7298 GB, free: 11.18 MB / 0.6231 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.926e-05/0.5447, allocations: 15.66 kB / 0.7298 GB, free: 11.17 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 9.913e-05/0.5448, allocations: 11.92 kB / 0.7298 GB, free: 11.16 MB / 0.6231 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.451e-05/0.5449, allocations: 16.73 kB / 0.7298 GB, free: 11.16 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.756e-05/0.5449, allocations: 15.66 kB / 0.7299 GB, free: 11.16 MB / 0.6231 GB Notification: Performance of sorting global known variables: time 0.0003929/0.5453, allocations: 288.6 kB / 0.7301 GB, free: 11.03 MB / 0.6231 GB Notification: Performance of sort global known variables: time 9e-08/0.5453, allocations: 0 / 0.7301 GB, free: 11.03 MB / 0.6231 GB Notification: Performance of remove unused functions: time 0.0004479/0.5457, allocations: 80.86 kB / 0.7302 GB, free: 11.01 MB / 0.6231 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 18 ($whenCondition10,tabOneRow.y[1],tabOneRow.idx,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,intTimTab1.y[1],intTimTab1.y[2],intTimTab1.idx,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intTimTab.y[1],intTimTab.y[2],intTimTab.idx) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (18): * Single equations (assignments): 10 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 8 * 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 0.0002367/0.546, allocations: 135.1 kB / 0.7303 GB, free: 10.91 MB / 0.6231 GB Notification: Performance of simCode: created initialization part: time 0.0004395/0.5464, allocations: 248.6 kB / 0.7306 GB, free: 10.85 MB / 0.6231 GB Notification: Performance of simCode: created event and clocks part: time 2.334e-06/0.5464, allocations: 3.938 kB / 0.7306 GB, free: 10.85 MB / 0.6231 GB Notification: Performance of simCode: created simulation system equations: time 0.0001854/0.5466, allocations: 118.4 kB / 0.7307 GB, free: 10.82 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002944/0.5469, allocations: 31.23 kB / 0.7307 GB, free: 10.8 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0009337/0.5478, allocations: 0.5648 MB / 0.7313 GB, free: 10.52 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002312/0.5481, allocations: 158.6 kB / 0.7314 GB, free: 10.43 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.0001304/0.5482, allocations: 44.66 kB / 0.7315 GB, free: 10.42 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.565e-05/0.5483, allocations: 28.42 kB / 0.7315 GB, free: 10.41 MB / 0.6231 GB Notification: Performance of SimCode: time 4.2e-07/0.5483, allocations: 4 kB / 0.7315 GB, free: 10.41 MB / 0.6231 GB Notification: Performance of Templates: time 0.01049/0.5588, allocations: 5.438 MB / 0.7368 GB, free: 9.371 MB / 0.6231 GB " [Timeout remaining time 659] make -j1 -f IDEAS_dev_IDEAS.Controls.OBC.CDL.Integers.Sources.Validation.TimeTable.makefile [Timeout 660] (rm -f IDEAS_dev_IDEAS.Controls.OBC.CDL.Integers.Sources.Validation.TimeTable.pipe ; mkfifo IDEAS_dev_IDEAS.Controls.OBC.CDL.Integers.Sources.Validation.TimeTable.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Controls.OBC.CDL.Integers.Sources.Validation.TimeTable.pipe >> ../files/IDEAS_dev_IDEAS.Controls.OBC.CDL.Integers.Sources.Validation.TimeTable.sim & ./IDEAS_dev_IDEAS.Controls.OBC.CDL.Integers.Sources.Validation.TimeTable -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Controls.OBC.CDL.Integers.Sources.Validation.TimeTable.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 6.1882660407572985] Failed to read output from testmodel.py, exit status != 0: 0.5669769924134016 0.581206847 0.044021809 Calling exit ...