Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.Impedances.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 0.001124/0.001124, allocations: 80.44 kB / 19.17 MB, free: 0.7422 MB / 13.93 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 0.001061/0.001061, allocations: 169.9 kB / 22.46 MB, free: 2.105 MB / 18.57 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 0.8786/0.8786, allocations: 177.1 MB / 202.8 MB, free: 5.742 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-531:686:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-531:694:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo): time 0.7125/0.7125, allocations: 154.6 MB / 413.8 MB, free: 0.7969 MB / 378.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/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 4.0.0/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 179] Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/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: "" <> buildModelFMU(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.Impedances,fileNamePrefix="IDEAS_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Loads_Examples_Impedances",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.Impedances,fileNamePrefix="IDEAS_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Loads_Examples_Impedances",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.683e-06/1.683e-06, allocations: 0 / 0.6181 GB, free: 13.67 MB / 0.5886 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.82e-05/1.989e-05, allocations: 9.234 kB / 0.6181 GB, free: 13.66 MB / 0.5886 GB Notification: Performance of NFInst.instantiate(IDEAS.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.Impedances): time 0.01201/0.01203, allocations: 15.16 MB / 0.6329 GB, free: 14.45 MB / 0.6042 GB Notification: Performance of NFInst.instExpressions: time 0.005998/0.01803, allocations: 4.726 MB / 0.6375 GB, free: 9.707 MB / 0.6042 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006416/0.01867, allocations: 87.38 kB / 0.6376 GB, free: 9.621 MB / 0.6042 GB Notification: Performance of NFTyping.typeComponents: time 0.001648/0.02032, allocations: 1.061 MB / 0.6386 GB, free: 8.555 MB / 0.6042 GB Notification: Performance of NFTyping.typeBindings: time 0.001135/0.02145, allocations: 0.8002 MB / 0.6394 GB, free: 7.75 MB / 0.6042 GB Notification: Performance of NFTyping.typeClassSections: time 0.001254/0.02271, allocations: 0.9258 MB / 0.6403 GB, free: 6.828 MB / 0.6042 GB Notification: Performance of NFFlatten.flatten: time 0.002195/0.0249, allocations: 3.683 MB / 0.6439 GB, free: 3.133 MB / 0.6042 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002097/0.027, allocations: 2.442 MB / 0.6463 GB, free: 0.6211 MB / 0.6042 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001704/0.0287, allocations: 2.269 MB / 0.6485 GB, free: 14.35 MB / 0.6198 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001308/0.03001, allocations: 1.695 MB / 0.6502 GB, free: 12.65 MB / 0.6198 GB Notification: Performance of NFPackage.collectConstants: time 0.0002576/0.03027, allocations: 340 kB / 0.6505 GB, free: 12.32 MB / 0.6198 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0008043/0.03107, allocations: 0.7526 MB / 0.6512 GB, free: 11.56 MB / 0.6198 GB Notification: Performance of NFScalarize.scalarize: time 0.0009446/0.03202, allocations: 1.426 MB / 0.6526 GB, free: 10.13 MB / 0.6198 GB Notification: Performance of NFVerifyModel.verify: time 0.0007057/0.03272, allocations: 1.021 MB / 0.6536 GB, free: 9.109 MB / 0.6198 GB Notification: Performance of NFConvertDAE.convert: time 0.002852/0.03558, allocations: 5.236 MB / 0.6587 GB, free: 3.859 MB / 0.6198 GB Notification: Performance of FrontEnd - DAE generated: time 5.039e-06/0.03558, allocations: 3.984 kB / 0.6587 GB, free: 3.855 MB / 0.6198 GB Notification: Performance of FrontEnd: time 1.373e-06/0.03558, allocations: 0 / 0.6587 GB, free: 3.855 MB / 0.6198 GB Notification: Performance of Transformations before backend: time 2.859e-05/0.03561, allocations: 0 / 0.6587 GB, free: 3.855 MB / 0.6198 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 641 * Number of variables: 641 Notification: Performance of Generate backend data structure: time 0.002943/0.03855, allocations: 2.607 MB / 0.6613 GB, free: 1.203 MB / 0.6198 GB Notification: Performance of prepare preOptimizeDAE: time 3.861e-05/0.03859, allocations: 11.97 kB / 0.6613 GB, free: 1.191 MB / 0.6198 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0003272/0.03892, allocations: 374.5 kB / 0.6617 GB, free: 0.8164 MB / 0.6198 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002019/0.04094, allocations: 0.846 MB / 0.6625 GB, free: 15.96 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001675/0.04261, allocations: 1.538 MB / 0.664 GB, free: 14.4 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.103e-05/0.0427, allocations: 177.1 kB / 0.6642 GB, free: 14.22 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002392/0.04293, allocations: 228.4 kB / 0.6644 GB, free: 14 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004322/0.04726, allocations: 4.262 MB / 0.6685 GB, free: 9.574 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.82e-05/0.04729, allocations: 12.08 kB / 0.6685 GB, free: 9.562 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001768/0.04747, allocations: 108 kB / 0.6686 GB, free: 9.457 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001197/0.04759, allocations: 168.5 kB / 0.6688 GB, free: 9.289 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003979/0.05157, allocations: 3.621 MB / 0.6723 GB, free: 5.652 MB / 0.6355 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.283/0.3346, allocations: 11.02 MB / 0.6831 GB, free: 88.63 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001675/0.3362, allocations: 1.47 MB / 0.6845 GB, free: 88.49 MB / 0.6355 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004903/0.3367, allocations: 0.5425 MB / 0.6851 GB, free: 88.3 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 7.734e-05/0.3368, allocations: 23.36 kB / 0.6851 GB, free: 88.29 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.155e-05/0.3368, allocations: 43.12 kB / 0.6851 GB, free: 88.25 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=72): time 2.124e-06/0.3368, allocations: 0 / 0.6851 GB, free: 88.25 MB / 0.6355 GB Notification: Performance of matching and sorting (n=76): time 0.003844/0.3407, allocations: 3.202 MB / 0.6883 GB, free: 86.85 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.121e-05/0.3407, allocations: 113.1 kB / 0.6884 GB, free: 86.73 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000894/0.3416, allocations: 1.061 MB / 0.6894 GB, free: 86.3 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 4.752e-05/0.3417, allocations: 36.11 kB / 0.6894 GB, free: 86.26 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003442/0.342, allocations: 1.141 MB / 0.6906 GB, free: 85.55 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001296/0.3421, allocations: 285.4 kB / 0.6908 GB, free: 85.34 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002388/0.3424, allocations: 279 kB / 0.6911 GB, free: 85.2 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 9.96e-05/0.3425, allocations: 408.5 kB / 0.6915 GB, free: 84.85 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00057/0.343, allocations: 0.6186 MB / 0.6921 GB, free: 84.65 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006864/0.3437, allocations: 1.182 MB / 0.6932 GB, free: 83.73 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001271/0.345, allocations: 1.868 MB / 0.6951 GB, free: 82.48 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.191e-05/0.345, allocations: 8.281 kB / 0.6951 GB, free: 82.48 MB / 0.6355 GB Notification: Performance of matching and sorting (n=173) (initialization): time 0.001903/0.3469, allocations: 2.017 MB / 0.697 GB, free: 81.71 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 2.662e-05/0.3469, allocations: 14.72 kB / 0.6971 GB, free: 81.71 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.429e-05/0.347, allocations: 16.62 kB / 0.6971 GB, free: 81.71 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002773/0.3472, allocations: 162.4 kB / 0.6972 GB, free: 81.65 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005852/0.3478, allocations: 349.2 kB / 0.6976 GB, free: 81.61 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.382e-05/0.3478, allocations: 42.58 kB / 0.6976 GB, free: 81.61 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005711/0.3484, allocations: 128.9 kB / 0.6977 GB, free: 81.57 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.162e-05/0.3485, allocations: 65.31 kB / 0.6978 GB, free: 81.57 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 86 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (169): * Single equations (assignments): 165 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 4 systems {(2,100.0%), (2,100.0%), (2,100.0%), (2,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0009147/0.3494, allocations: 0.9798 MB / 0.6987 GB, free: 81.11 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001202/0.3495, allocations: 117.2 kB / 0.6989 GB, free: 81.05 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001119/0.3506, allocations: 1.229 MB / 0.7001 GB, free: 80.54 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.543e-06/0.3506, allocations: 7.625 kB / 0.7001 GB, free: 80.54 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.246e-06/0.3506, allocations: 6.531 kB / 0.7001 GB, free: 80.54 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.312e-06/0.3507, allocations: 6.469 kB / 0.7001 GB, free: 80.54 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003252/0.3539, allocations: 3.445 MB / 0.7034 GB, free: 79.14 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.558e-06/0.3539, allocations: 3.938 kB / 0.7034 GB, free: 79.13 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003043/0.3542, allocations: 158.9 kB / 0.7036 GB, free: 79.12 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001762/0.3544, allocations: 144.4 kB / 0.7037 GB, free: 79.05 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.109e-05/0.3544, allocations: 13.5 kB / 0.7037 GB, free: 79.05 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.659e-06/0.3544, allocations: 9.25 kB / 0.7038 GB, free: 79.04 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.615e-06/0.3544, allocations: 6.562 kB / 0.7038 GB, free: 79.04 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001062/0.3555, allocations: 1.46 MB / 0.7052 GB, free: 78.25 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002796/0.3558, allocations: 204.9 kB / 0.7054 GB, free: 78.15 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.282e-05/0.3558, allocations: 21.27 kB / 0.7054 GB, free: 78.13 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003538/0.3562, allocations: 65.28 kB / 0.7055 GB, free: 78.12 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.76e-05/0.3563, allocations: 65.03 kB / 0.7055 GB, free: 78.11 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.572e-05/0.3563, allocations: 26.03 kB / 0.7056 GB, free: 78.1 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0005366/0.3568, allocations: 0.6946 MB / 0.7062 GB, free: 77.82 MB / 0.6355 GB Notification: Performance of sort global known variables: time 1.6e-07/0.3568, allocations: 0 / 0.7062 GB, free: 77.82 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.00111/0.358, allocations: 387.9 kB / 0.7066 GB, free: 77.79 MB / 0.6355 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (76): * Single equations (assignments): 72 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 4 systems {(2,100.0%), (2,100.0%), (2,100.0%), (2,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001348/0.3593, allocations: 2.039 MB / 0.7086 GB, free: 76.45 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.002147/0.3614, allocations: 1.354 MB / 0.7099 GB, free: 75.98 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 3.226e-06/0.3615, allocations: 1.156 kB / 0.7099 GB, free: 75.98 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 0.0005631/0.362, allocations: 0.5355 MB / 0.7104 GB, free: 75.79 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009326/0.3629, allocations: 272.6 kB / 0.7107 GB, free: 75.71 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01253/0.3755, allocations: 12.88 MB / 0.7233 GB, free: 68.92 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001224/0.3767, allocations: 1.335 MB / 0.7246 GB, free: 68.52 MB / 0.6355 GB Notification: Performance of simCode: alias equations: time 0.0007482/0.3774, allocations: 451.8 kB / 0.725 GB, free: 68.48 MB / 0.6355 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000515/0.378, allocations: 0.7094 MB / 0.7257 GB, free: 67.89 MB / 0.6355 GB Notification: Performance of SimCode: time 1.312e-06/0.378, allocations: 0 / 0.7257 GB, free: 67.89 MB / 0.6355 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04554/0.4235, allocations: 29.23 MB / 0.7542 GB, free: 57.68 MB / 0.6355 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.28/7.704, allocations: 3 kB / 0.7543 GB, free: 57.68 MB / 0.6355 GB " [Timeout remaining time 652] (rm -f IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.Impedances.pipe ; mkfifo IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.Impedances.pipe ; head -c 1048576 < IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.Impedances.pipe >> ../files/IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.Impedances.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Loads_Examples_Impedances_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=50 --tolerance=1e-06 IDEAS_IDEAS_Electrical_AC_ThreePhasesUnbalanced_Loads_Examples_Impedances.fmu > IDEAS_IDEAS.Electrical.AC.ThreePhasesUnbalanced.Loads.Examples.Impedances.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 10.4524932410568] Failed to read output from testmodel.py, exit status != 0: 7.8014733931049705 7.80978187 7.772798992 Calling exit ...