Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters.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 0.001365/0.001365, allocations: 78.66 kB / 19.01 MB, free: 2.863 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 0.001778/0.001778, allocations: 156.6 kB / 22.25 MB, free: 5.113 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 1.461/1.461, allocations: 177.2 MB / 202.6 MB, free: 9.266 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.002491/0.002491, allocations: 238.4 kB / 259.2 MB, free: 0.5898 MB / 238.1 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 1.069/1.069, allocations: 138.5 MB / 454.2 MB, free: 2.086 MB / 366.1 MB " [Timeout remaining time 179] Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 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(BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters") translateModel(BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters") [Timeout 660] "Notification: NcDataReader2 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: BuildingSystems 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 0.003092/0.003092, allocations: 99.84 kB / 0.6467 GB, free: 5.211 MB / 0.5606 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3584/0.3615, allocations: 95.37 MB / 0.7398 GB, free: 15.21 MB / 0.5762 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters): time 0.002521/0.364, allocations: 1.427 MB / 0.7412 GB, free: 13.78 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.006675/0.3707, allocations: 3.838 MB / 0.7449 GB, free: 9.922 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 5.619e-05/0.3707, allocations: 0 / 0.7449 GB, free: 9.922 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.000111/0.3708, allocations: 11.86 kB / 0.7449 GB, free: 9.91 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.0002311/0.3711, allocations: 31.78 kB / 0.745 GB, free: 9.879 MB / 0.5762 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/Math/Random.mo:1057:5-1146:31:writable] Warning: Pure function 'Modelica.Math.Random.Utilities.initializeImpureRandom' contains a call to impure function 'Modelica.Math.Random.Utilities.initializeImpureRandom.setInternalState'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/Utilities/Clustering/KMeans.mo:96:7-96:35:writable] Warning: inertia was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. Notification: Performance of NFTyping.typeClassSections: time 0.004154/0.3752, allocations: 1.585 MB / 0.7465 GB, free: 8.293 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.0001533/0.3754, allocations: 95.67 kB / 0.7466 GB, free: 8.199 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 4.555e-05/0.3754, allocations: 7.797 kB / 0.7466 GB, free: 8.195 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001196/0.3755, allocations: 67.8 kB / 0.7467 GB, free: 8.129 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000251/0.3758, allocations: 151.6 kB / 0.7468 GB, free: 7.98 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 3.729e-05/0.3758, allocations: 12 kB / 0.7468 GB, free: 7.969 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003875/0.3797, allocations: 2.363 MB / 0.7491 GB, free: 5.602 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.000259/0.38, allocations: 271.8 kB / 0.7494 GB, free: 5.332 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.0002334/0.3802, allocations: 214.9 kB / 0.7496 GB, free: 5.121 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.00305/0.3832, allocations: 2.139 MB / 0.7517 GB, free: 2.977 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 3.968e-06/0.3832, allocations: 0 / 0.7517 GB, free: 2.977 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.643e-06/0.3832, allocations: 4 kB / 0.7517 GB, free: 2.973 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 7.514e-06/0.3833, allocations: 0 / 0.7517 GB, free: 2.973 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 7 * Number of variables: 7 Notification: Performance of Generate backend data structure: time 0.01096/0.3942, allocations: 1.279 MB / 0.753 GB, free: 1.66 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.391e-05/0.3943, allocations: 9.938 kB / 0.753 GB, free: 1.652 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004252/0.3947, allocations: 96.25 kB / 0.7531 GB, free: 1.559 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004398/0.3951, allocations: 311.1 kB / 0.7533 GB, free: 1.219 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.548e-05/0.3951, allocations: 8.375 kB / 0.7534 GB, free: 1.211 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.145e-05/0.3952, allocations: 8.359 kB / 0.7534 GB, free: 1.203 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004914/0.3957, allocations: 391.5 kB / 0.7537 GB, free: 0.8086 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.346e-06/0.3957, allocations: 0 / 0.7537 GB, free: 0.8086 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.289e-05/0.3957, allocations: 0 / 0.7537 GB, free: 0.8086 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.452e-05/0.3957, allocations: 4 kB / 0.7537 GB, free: 0.8047 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004854/0.3962, allocations: 439.7 kB / 0.7542 GB, free: 384 kB / 0.5762 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006352/0.3968, allocations: 0.5693 MB / 0.7547 GB, free: 15.77 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006076/0.3974, allocations: 0.5516 MB / 0.7553 GB, free: 15.2 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003622/0.3978, allocations: 341.6 kB / 0.7556 GB, free: 14.86 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0007131/0.3985, allocations: 147.7 kB / 0.7557 GB, free: 14.71 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004764/0.399, allocations: 396.9 kB / 0.7561 GB, free: 14.31 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=8): time 1.313e-06/0.399, allocations: 0 / 0.7561 GB, free: 14.31 MB / 0.5919 GB Notification: Performance of matching and sorting (n=8): time 0.001531/0.4005, allocations: 1.297 MB / 0.7574 GB, free: 13.01 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.6e-05/0.4006, allocations: 89.09 kB / 0.7575 GB, free: 12.9 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001313/0.4019, allocations: 1.215 MB / 0.7586 GB, free: 11.67 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 5.017e-05/0.4019, allocations: 33.7 kB / 0.7587 GB, free: 11.63 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002255/0.4022, allocations: 261.9 kB / 0.7589 GB, free: 11.37 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 3.985e-05/0.4022, allocations: 27.78 kB / 0.7589 GB, free: 11.34 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003748/0.4026, allocations: 351.6 kB / 0.7593 GB, free: 11 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001683/0.4028, allocations: 310 kB / 0.7596 GB, free: 10.69 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001431/0.4042, allocations: 1.377 MB / 0.7609 GB, free: 9.309 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001568/0.4058, allocations: 1.505 MB / 0.7624 GB, free: 7.793 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007745/0.4135, allocations: 3.557 MB / 0.7659 GB, free: 4.145 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.208e-06/0.4135, allocations: 0 / 0.7659 GB, free: 4.145 MB / 0.5919 GB Notification: Performance of matching and sorting (n=319) (initialization): time 0.004946/0.4185, allocations: 4.007 MB / 0.7698 GB, free: 104 kB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 2.29e-05/0.4185, allocations: 7.938 kB / 0.7698 GB, free: 96 kB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.566e-05/0.4185, allocations: 4 kB / 0.7698 GB, free: 92 kB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.656e-05/0.4185, allocations: 0 / 0.7698 GB, free: 92 kB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001363/0.4186, allocations: 24.02 kB / 0.7698 GB, free: 68 kB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.502e-06/0.4186, allocations: 4 kB / 0.7698 GB, free: 64 kB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000538/0.4192, allocations: 241.3 kB / 0.77 GB, free: 15.82 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.214e-05/0.4192, allocations: 23.98 kB / 0.7701 GB, free: 15.8 MB / 0.6075 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 2 * Number of states: 0 () * Number of discrete variables: 13 (cluSiz[1],labels[1],gFun2,$PRE.gFun2,gFun1,$PRE.gFun1,t2,$PRE.t2,t1,$PRE.t1,k,$PRE.k,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (17): * Single equations (assignments): 13 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * 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 0.000341/0.4196, allocations: 247.1 kB / 0.7703 GB, free: 15.55 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.932e-05/0.4197, allocations: 75.22 kB / 0.7704 GB, free: 15.48 MB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00115/0.4208, allocations: 0.9439 MB / 0.7713 GB, free: 14.52 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.39e-06/0.4208, allocations: 3.984 kB / 0.7713 GB, free: 14.52 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.847e-06/0.4208, allocations: 0 / 0.7713 GB, free: 14.52 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.276e-06/0.4208, allocations: 0 / 0.7713 GB, free: 14.52 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004606/0.4213, allocations: 451.3 kB / 0.7717 GB, free: 14.05 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.753e-06/0.4213, allocations: 0 / 0.7717 GB, free: 14.05 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 7.726e-05/0.4214, allocations: 7.984 kB / 0.7717 GB, free: 14.04 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.126e-06/0.4214, allocations: 0 / 0.7717 GB, free: 14.04 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.924e-05/0.4214, allocations: 11.94 kB / 0.7718 GB, free: 14.03 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.633e-06/0.4214, allocations: 0 / 0.7718 GB, free: 14.03 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.272e-06/0.4214, allocations: 0 / 0.7718 GB, free: 14.03 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00108/0.4225, allocations: 1.014 MB / 0.7727 GB, free: 13 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 9.06e-05/0.4226, allocations: 79.34 kB / 0.7728 GB, free: 12.92 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.902e-05/0.4226, allocations: 3.938 kB / 0.7728 GB, free: 12.91 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001438/0.4228, allocations: 7.984 kB / 0.7728 GB, free: 12.91 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.265e-05/0.4228, allocations: 4 kB / 0.7728 GB, free: 12.9 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.081e-05/0.4228, allocations: 15.97 kB / 0.7728 GB, free: 12.89 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.0008361/0.4237, allocations: 0.6689 MB / 0.7735 GB, free: 12.21 MB / 0.6075 GB Notification: Performance of sort global known variables: time 1.1e-07/0.4237, allocations: 8 kB / 0.7735 GB, free: 12.2 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.001511/0.4252, allocations: 0.5845 MB / 0.7741 GB, free: 11.62 MB / 0.6075 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition1,k,t1,t2,gFun1,gFun2) * Number of discrete states: 2 (k,t2) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (8): * Single equations (assignments): 3 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 5 * 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 0.001923/0.4271, allocations: 0.7052 MB / 0.7748 GB, free: 10.92 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.002315/0.4294, allocations: 1.997 MB / 0.7767 GB, free: 8.91 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 2.154e-06/0.4294, allocations: 0 / 0.7767 GB, free: 8.91 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.0003727/0.4298, allocations: 335.8 kB / 0.777 GB, free: 8.582 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000319/0.4301, allocations: 33.34 kB / 0.7771 GB, free: 8.551 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002305/0.4324, allocations: 1.777 MB / 0.7788 GB, free: 6.738 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004051/0.4328, allocations: 380.1 kB / 0.7792 GB, free: 6.34 MB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.0001428/0.433, allocations: 36.41 kB / 0.7792 GB, free: 6.305 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001163/0.4331, allocations: 32.41 kB / 0.7792 GB, free: 6.273 MB / 0.6075 GB Notification: Performance of SimCode: time 4.01e-07/0.4331, allocations: 0 / 0.7792 GB, free: 6.273 MB / 0.6075 GB Notification: Performance of Templates: time 0.02493/0.458, allocations: 13.96 MB / 0.7929 GB, free: 8.441 MB / 0.6231 GB " [Timeout remaining time 660] make -j1 -f BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters.makefile [Timeout 660] (rm -f BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters.sim & ./BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.ThermalResponseFactors.Validation.GFunction_1borehole_5meters.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 7.087001046165824] Failed to read output from testmodel.py, exit status != 0: 0.46643113531172276 0.481396348 0.094929103 Calling exit ...