Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.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 0.00137/0.00137, allocations: 104.4 kB / 19.7 MB, free: 2.125 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 0.001544/0.001544, allocations: 218.5 kB / 22.99 MB, free: 4.945 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 1.423/1.423, allocations: 230.6 MB / 256.8 MB, free: 7.812 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.8422/0.8422, allocations: 134 MB / 447.2 MB, free: 9.93 MB / 350.1 MB " [Timeout remaining time 179] Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic") translateModel(IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic") [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 0.002075/0.002075, allocations: 81.94 kB / 0.6197 GB, free: 6.387 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1715/0.1735, allocations: 85.91 MB / 0.7036 GB, free: 0.5664 MB / 0.5137 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic): time 0.6044/0.7779, allocations: 176.2 MB / 0.8756 GB, free: 2.699 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.007179/0.7851, allocations: 3.59 MB / 0.8791 GB, free: 15.1 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008104/0.7859, allocations: 43.62 kB / 0.8792 GB, free: 15.06 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.00131/0.7872, allocations: 425.5 kB / 0.8796 GB, free: 14.64 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.003572/0.7908, allocations: 1.311 MB / 0.8809 GB, free: 13.32 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.002101/0.7929, allocations: 0.7332 MB / 0.8816 GB, free: 12.6 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.002254/0.7952, allocations: 1.379 MB / 0.8829 GB, free: 11.21 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0009092/0.7961, allocations: 403.2 kB / 0.8833 GB, free: 10.82 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003069/0.7992, allocations: 1.016 MB / 0.8843 GB, free: 9.809 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00108/0.8002, allocations: 482 kB / 0.8848 GB, free: 9.336 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.000177/0.8004, allocations: 47.94 kB / 0.8848 GB, free: 9.289 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002468/0.8029, allocations: 0.9859 MB / 0.8858 GB, free: 8.301 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.0003595/0.8032, allocations: 211.3 kB / 0.886 GB, free: 8.094 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.0005608/0.8038, allocations: 274.6 kB / 0.8862 GB, free: 7.824 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.002496/0.8063, allocations: 1.199 MB / 0.8874 GB, free: 6.621 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 7.954e-06/0.8063, allocations: 7.938 kB / 0.8874 GB, free: 6.613 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.904e-06/0.8063, allocations: 0 / 0.8874 GB, free: 6.613 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 4.048e-05/0.8063, allocations: 0 / 0.8874 GB, free: 6.613 MB / 0.6544 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 98 * Number of variables: 98 Notification: Performance of Generate backend data structure: time 0.002719/0.8091, allocations: 1.01 MB / 0.8884 GB, free: 5.566 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.008e-05/0.8091, allocations: 8.031 kB / 0.8884 GB, free: 5.559 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001254/0.8104, allocations: 227.2 kB / 0.8886 GB, free: 5.336 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000995/0.8114, allocations: 0.5016 MB / 0.8891 GB, free: 4.809 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.958e-05/0.8114, allocations: 32.98 kB / 0.8891 GB, free: 4.777 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.455e-05/0.8115, allocations: 43.94 kB / 0.8892 GB, free: 4.734 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001123/0.8126, allocations: 0.5513 MB / 0.8897 GB, free: 4.164 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.526e-05/0.8126, allocations: 0 / 0.8897 GB, free: 4.164 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.529e-05/0.8127, allocations: 16 kB / 0.8897 GB, free: 4.148 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.682e-05/0.8127, allocations: 17 kB / 0.8898 GB, free: 4.133 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001184/0.8139, allocations: 0.5035 MB / 0.8903 GB, free: 3.629 MB / 0.6544 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003131/0.817, allocations: 1.616 MB / 0.8918 GB, free: 1.949 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000715/0.8177, allocations: 278.8 kB / 0.8921 GB, free: 1.668 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000247/0.818, allocations: 136.8 kB / 0.8922 GB, free: 1.531 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00105/0.819, allocations: 175.8 kB / 0.8924 GB, free: 1.359 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000381/0.8194, allocations: 205.8 kB / 0.8926 GB, free: 1.141 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=28): time 1.853e-06/0.8194, allocations: 0 / 0.8926 GB, free: 1.141 MB / 0.6544 GB Notification: Performance of matching and sorting (n=28): time 0.001092/0.8205, allocations: 456.9 kB / 0.893 GB, free: 0.6875 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.142e-05/0.8206, allocations: 81.11 kB / 0.8931 GB, free: 0.5898 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008412/0.8214, allocations: 0.5771 MB / 0.8937 GB, free: 0 / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 5.451e-05/0.8215, allocations: 33.7 kB / 0.8937 GB, free: 15.96 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002886/0.8217, allocations: 332.3 kB / 0.894 GB, free: 15.63 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 9.303e-05/0.8218, allocations: 107.2 kB / 0.8941 GB, free: 15.53 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000145/0.822, allocations: 90.08 kB / 0.8942 GB, free: 15.43 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 0.0002076/0.8222, allocations: 370.8 kB / 0.8946 GB, free: 15.06 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003833/0.8226, allocations: 142.5 kB / 0.8947 GB, free: 14.92 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006037/0.8232, allocations: 456.5 kB / 0.8951 GB, free: 14.38 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007214/0.8239, allocations: 404 kB / 0.8955 GB, free: 13.93 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.466e-06/0.8239, allocations: 4 kB / 0.8955 GB, free: 13.92 MB / 0.67 GB Notification: Performance of matching and sorting (n=47) (initialization): time 0.001075/0.825, allocations: 0.4891 MB / 0.896 GB, free: 13.43 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 2.03e-05/0.825, allocations: 8 kB / 0.896 GB, free: 13.42 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.107e-05/0.825, allocations: 7.188 kB / 0.896 GB, free: 13.41 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.034e-05/0.825, allocations: 4 kB / 0.896 GB, free: 13.41 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004513/0.8255, allocations: 100.1 kB / 0.8961 GB, free: 13.31 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.766e-05/0.8255, allocations: 7.938 kB / 0.8961 GB, free: 13.3 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005495/0.826, allocations: 71.73 kB / 0.8962 GB, free: 13.23 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.182e-05/0.8261, allocations: 20 kB / 0.8962 GB, free: 13.21 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005444/0.8266, allocations: 300.9 kB / 0.8965 GB, free: 12.92 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0006033/0.8272, allocations: 456.4 kB / 0.8969 GB, free: 12.37 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007005/0.8279, allocations: 415 kB / 0.8973 GB, free: 11.91 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.084e-06/0.8279, allocations: 0 / 0.8973 GB, free: 11.91 MB / 0.67 GB Notification: Performance of matching and sorting (n=47) (initialization_lambda0): time 0.001045/0.829, allocations: 497.2 kB / 0.8978 GB, free: 11.42 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 1.339e-05/0.829, allocations: 11.94 kB / 0.8978 GB, free: 11.41 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.153e-06/0.829, allocations: 7.984 kB / 0.8978 GB, free: 11.4 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.482e-06/0.829, allocations: 4.375 kB / 0.8978 GB, free: 11.39 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004183/0.8294, allocations: 99.83 kB / 0.8979 GB, free: 11.3 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.428e-06/0.8294, allocations: 7.938 kB / 0.8979 GB, free: 11.29 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005479/0.83, allocations: 63.8 kB / 0.898 GB, free: 11.23 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.956e-05/0.83, allocations: 23.98 kB / 0.898 GB, free: 11.2 MB / 0.67 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * Number of states: 0 () * Number of discrete variables: 5 ($PRE.XSet.nextTimeEvent,$whenCondition1,XSet.nextTimeEventScaled,$PRE.XSet.nextTimeEventScaled,XSet.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (47): * Single equations (assignments): 47 * 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 0.0001969/0.8302, allocations: 214 kB / 0.8982 GB, free: 10.99 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.489e-05/0.8303, allocations: 55.62 kB / 0.8983 GB, free: 10.93 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006755/0.831, allocations: 343.1 kB / 0.8986 GB, free: 10.59 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.351e-05/0.831, allocations: 8 kB / 0.8986 GB, free: 10.58 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.02e-06/0.831, allocations: 0 / 0.8986 GB, free: 10.58 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.081e-06/0.831, allocations: 3.984 kB / 0.8986 GB, free: 10.57 MB / 0.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001637/0.8327, allocations: 1.003 MB / 0.8996 GB, free: 9.504 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.054e-06/0.8327, allocations: 4.938 kB / 0.8996 GB, free: 9.5 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002265/0.8329, allocations: 51.91 kB / 0.8996 GB, free: 9.449 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.173e-06/0.8329, allocations: 4 kB / 0.8996 GB, free: 9.445 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.727e-05/0.8329, allocations: 11.94 kB / 0.8996 GB, free: 9.434 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.157e-06/0.8329, allocations: 5.672 kB / 0.8997 GB, free: 9.43 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.09e-06/0.8329, allocations: 7.938 kB / 0.8997 GB, free: 9.422 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009587/0.8339, allocations: 0.6322 MB / 0.9003 GB, free: 8.742 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001828/0.8341, allocations: 83.55 kB / 0.9004 GB, free: 8.66 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.981e-05/0.8341, allocations: 8 kB / 0.9004 GB, free: 8.652 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003146/0.8345, allocations: 24.05 kB / 0.9004 GB, free: 8.629 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.388e-05/0.8345, allocations: 23.95 kB / 0.9004 GB, free: 8.605 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.446e-05/0.8346, allocations: 8 kB / 0.9004 GB, free: 8.598 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.0006348/0.8352, allocations: 418.8 kB / 0.9008 GB, free: 8.191 MB / 0.67 GB Notification: Performance of sort global known variables: time 1.31e-07/0.8352, allocations: 4 kB / 0.9008 GB, free: 8.188 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.000965/0.8362, allocations: 299.2 kB / 0.9011 GB, free: 7.895 MB / 0.67 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 2 (hum.outCon.T,hum.outCon.Xi) * Number of discrete variables: 3 ($whenCondition1,XSet.nextTimeEvent,XSet.nextTimeEventScaled) * Number of discrete states: 2 (XSet.nextTimeEvent,XSet.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (28): * Single equations (assignments): 26 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 0.001905/0.8381, allocations: 0.5208 MB / 0.9016 GB, free: 7.586 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.001286/0.8393, allocations: 0.5122 MB / 0.9021 GB, free: 7.074 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 5.17e-06/0.8394, allocations: 0 / 0.9021 GB, free: 7.074 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.0002459/0.8396, allocations: 136.9 kB / 0.9022 GB, free: 6.941 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001108/0.8407, allocations: 221.3 kB / 0.9025 GB, free: 6.73 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002423/0.8431, allocations: 1.216 MB / 0.9036 GB, free: 5.449 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003277/0.8435, allocations: 299.5 kB / 0.9039 GB, free: 5.129 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001631/0.8436, allocations: 47.42 kB / 0.904 GB, free: 5.082 MB / 0.67 GB Notification: Performance of SimCode: time 8.72e-07/0.8436, allocations: 4 kB / 0.904 GB, free: 5.078 MB / 0.67 GB Notification: Performance of Templates: time 0.01669/0.8603, allocations: 9.559 MB / 0.9133 GB, free: 11.6 MB / 0.6856 GB " [Timeout remaining time 659] make -j1 -f IDEAS_IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.makefile [Timeout 660] (rm -f IDEAS_IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.pipe ; mkfifo IDEAS_IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.pipe >> ../files/IDEAS_IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.sim & ./IDEAS_IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.Humidifiers.Validation.SteamHumidifier_X_dynamic.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 10.05392986908555] Failed to read output from testmodel.py, exit status != 0: 0.8685914520174265 0.885403353 0.075621939 Calling exit ...