Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40.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 0.0008396/0.0008396, allocations: 87.62 kB / 21.44 MB, free: 3.129 MB / 18.57 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 0.003206/0.003206, allocations: 160.4 kB / 24.7 MB, free: 9.43 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 0.8538/0.8538, allocations: 177.1 MB / 205 MB, free: 5.738 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo): time 0.5731/0.5731, allocations: 88.06 MB / 349.5 MB, free: 14.35 MB / 330.7 MB " [Timeout remaining time 179] Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 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(ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="der.v.1..|der.v.2..|der.v.3..|der.v.40..|der.v.4..|der.v.5..|der.xm.1..|der.xm.2..|der.xm.3..|der.xm.40..|der.xm.4..|der.xm.5..|time|time|v.1.|v.2.|v.3.|v.40.|v.4.|v.5.|xm.1.|xm.2.|xm.3.|xm.40.|xm.4.|xm.5.|xs.1.|xs.2.|xs.3.|xs.40.|xs.4.|xs.5.",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40") translateModel(ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="der.v.1..|der.v.2..|der.v.3..|der.v.40..|der.v.4..|der.v.5..|der.xm.1..|der.xm.2..|der.xm.3..|der.xm.40..|der.xm.4..|der.xm.5..|time|time|v.1.|v.2.|v.3.|v.40.|v.4.|v.5.|xm.1.|xm.2.|xm.3.|xm.40.|xm.4.|xm.5.|xs.1.|xs.2.|xs.3.|xs.40.|xs.4.|xs.5.",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.493e-06/1.493e-06, allocations: 0 / 0.5243 GB, free: 3.461 MB / 442.8 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.698e-05/2.847e-05, allocations: 6.281 kB / 0.5243 GB, free: 3.453 MB / 442.8 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40): time 0.001874/0.001902, allocations: 1.239 MB / 0.5255 GB, free: 2.207 MB / 442.8 MB Notification: Performance of NFInst.instExpressions: time 0.0001731/0.002075, allocations: 43.88 kB / 0.5255 GB, free: 2.164 MB / 442.8 MB Notification: Performance of NFInst.updateImplicitVariability: time 3.209e-05/0.002107, allocations: 0 / 0.5255 GB, free: 2.164 MB / 442.8 MB Notification: Performance of NFTyping.typeComponents: time 7.48e-05/0.002182, allocations: 0 / 0.5255 GB, free: 2.164 MB / 442.8 MB Notification: Performance of NFTyping.typeBindings: time 6.842e-05/0.002251, allocations: 19.86 kB / 0.5256 GB, free: 2.145 MB / 442.8 MB Notification: Performance of NFTyping.typeClassSections: time 0.000165/0.002416, allocations: 27.88 kB / 0.5256 GB, free: 2.117 MB / 442.8 MB Notification: Performance of NFFlatten.flatten: time 0.0005217/0.002937, allocations: 0.8504 MB / 0.5264 GB, free: 1.266 MB / 442.8 MB Notification: Performance of NFFlatten.resolveConnections: time 5.163e-05/0.002989, allocations: 15.94 kB / 0.5264 GB, free: 1.25 MB / 442.8 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0002736/0.003263, allocations: 383.6 kB / 0.5268 GB, free: 0.875 MB / 442.8 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003543/0.003617, allocations: 273.4 kB / 0.5271 GB, free: 0.6055 MB / 442.8 MB Notification: Performance of NFPackage.collectConstants: time 7.716e-05/0.003694, allocations: 44 kB / 0.5271 GB, free: 0.5625 MB / 442.8 MB Notification: Performance of NFFlatten.collectFunctions: time 4.694e-05/0.003741, allocations: 44 kB / 0.5271 GB, free: 0.5195 MB / 442.8 MB Notification: Performance of NFScalarize.scalarize: time 0.0001501/0.003891, allocations: 263.4 kB / 0.5274 GB, free: 268 kB / 442.8 MB Notification: Performance of NFVerifyModel.verify: time 0.0001544/0.004045, allocations: 235.5 kB / 0.5276 GB, free: 32 kB / 442.8 MB Notification: Performance of NFConvertDAE.convert: time 0.0003157/0.004361, allocations: 462.6 kB / 0.5281 GB, free: 15.58 MB / 458.8 MB Notification: Performance of FrontEnd - DAE generated: time 3.808e-06/0.004365, allocations: 0 / 0.5281 GB, free: 15.58 MB / 458.8 MB Notification: Performance of FrontEnd: time 1.232e-06/0.004366, allocations: 0 / 0.5281 GB, free: 15.58 MB / 458.8 MB Notification: Performance of Transformations before backend: time 6.642e-06/0.004373, allocations: 0 / 0.5281 GB, free: 15.58 MB / 458.8 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 120 * Number of variables: 120 Notification: Performance of Generate backend data structure: time 0.00162/0.005993, allocations: 1.154 MB / 0.5292 GB, free: 14.39 MB / 458.8 MB Notification: Performance of prepare preOptimizeDAE: time 6.746e-05/0.00606, allocations: 11.97 kB / 0.5292 GB, free: 14.38 MB / 458.8 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001239/0.006184, allocations: 56.66 kB / 0.5293 GB, free: 14.32 MB / 458.8 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000431/0.006615, allocations: 249.2 kB / 0.5295 GB, free: 14.05 MB / 458.8 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.557e-05/0.00666, allocations: 57.38 kB / 0.5295 GB, free: 14 MB / 458.8 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001539/0.006814, allocations: 116.2 kB / 0.5297 GB, free: 13.88 MB / 458.8 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008157/0.00763, allocations: 0.6236 MB / 0.5303 GB, free: 13.25 MB / 458.8 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.194e-05/0.007672, allocations: 28.08 kB / 0.5303 GB, free: 13.23 MB / 458.8 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.167e-05/0.007724, allocations: 24.31 kB / 0.5303 GB, free: 13.2 MB / 458.8 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.409e-05/0.007738, allocations: 12.38 kB / 0.5303 GB, free: 13.19 MB / 458.8 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005323/0.00827, allocations: 427.6 kB / 0.5307 GB, free: 12.77 MB / 458.8 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0007769/0.009047, allocations: 0.642 MB / 0.5314 GB, free: 12.1 MB / 458.8 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001097/0.01014, allocations: 0.8959 MB / 0.5322 GB, free: 11.19 MB / 458.8 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.000432/0.01058, allocations: 443.6 kB / 0.5327 GB, free: 10.75 MB / 458.8 MB Notification: Performance of preOpt evalFunc (simulation): time 4.573e-05/0.01062, allocations: 13 kB / 0.5327 GB, free: 10.74 MB / 458.8 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.109e-05/0.01065, allocations: 51.5 kB / 0.5327 GB, free: 10.68 MB / 458.8 MB Notification: Performance of pre-optimization done (n=120): time 5.089e-06/0.01066, allocations: 0 / 0.5327 GB, free: 10.68 MB / 458.8 MB Notification: Performance of matching and sorting (n=120): time 0.005411/0.01607, allocations: 2.788 MB / 0.5354 GB, free: 7.887 MB / 458.8 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.36e-05/0.01611, allocations: 64.41 kB / 0.5355 GB, free: 7.809 MB / 458.8 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 8.083e-05/0.01619, allocations: 121.8 kB / 0.5356 GB, free: 7.68 MB / 458.8 MB Notification: Performance of collectPreVariables (initialization): time 5.576e-05/0.01625, allocations: 65.7 kB / 0.5357 GB, free: 7.609 MB / 458.8 MB Notification: Performance of collectInitialEqns (initialization): time 3.951e-05/0.01629, allocations: 98.64 kB / 0.5358 GB, free: 7.508 MB / 458.8 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003104/0.0166, allocations: 0.5075 MB / 0.5363 GB, free: 6.996 MB / 458.8 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002111/0.01681, allocations: 275.6 kB / 0.5365 GB, free: 6.723 MB / 458.8 MB Notification: Performance of setup shared object (initialization): time 8.266e-05/0.01689, allocations: 317.9 kB / 0.5368 GB, free: 6.406 MB / 458.8 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005105/0.0174, allocations: 0.4957 MB / 0.5373 GB, free: 5.91 MB / 458.8 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006656/0.01807, allocations: 0.8434 MB / 0.5381 GB, free: 4.941 MB / 458.8 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001253/0.01932, allocations: 1.424 MB / 0.5395 GB, free: 3.391 MB / 458.8 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.045e-06/0.01933, allocations: 4 kB / 0.5395 GB, free: 3.387 MB / 458.8 MB Notification: Performance of matching and sorting (n=200) (initialization): time 0.002279/0.02161, allocations: 1.962 MB / 0.5415 GB, free: 1.418 MB / 458.8 MB Notification: Performance of prepare postOptimizeDAE: time 2.38e-05/0.02163, allocations: 8 kB / 0.5415 GB, free: 1.41 MB / 458.8 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.761e-05/0.02165, allocations: 15.94 kB / 0.5415 GB, free: 1.395 MB / 458.8 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001229/0.02288, allocations: 0.5859 MB / 0.5421 GB, free: 0.8047 MB / 458.8 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005501/0.02343, allocations: 327.6 kB / 0.5424 GB, free: 496 kB / 458.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004727/0.02816, allocations: 4.861 MB / 0.5471 GB, free: 11.52 MB / 474.8 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003542/0.02851, allocations: 115.1 kB / 0.5472 GB, free: 11.4 MB / 474.8 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.952e-05/0.02858, allocations: 56 kB / 0.5473 GB, free: 11.35 MB / 474.8 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 41 * 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 (161): * Single equations (assignments): 160 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,39,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002328/0.02881, allocations: 241.3 kB / 0.5475 GB, free: 11.1 MB / 474.8 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.842e-05/0.02887, allocations: 39.77 kB / 0.5475 GB, free: 11.06 MB / 474.8 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001166/0.02899, allocations: 116 kB / 0.5477 GB, free: 10.95 MB / 474.8 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.573e-06/0.029, allocations: 12 kB / 0.5477 GB, free: 10.93 MB / 474.8 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.691e-05/0.02902, allocations: 8.062 kB / 0.5477 GB, free: 10.93 MB / 474.8 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.476e-06/0.02903, allocations: 11.97 kB / 0.5477 GB, free: 10.91 MB / 474.8 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005972/0.02963, allocations: 0.6185 MB / 0.5483 GB, free: 10.27 MB / 474.8 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.637e-06/0.02963, allocations: 0 / 0.5483 GB, free: 10.27 MB / 474.8 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000781/0.03041, allocations: 263.8 kB / 0.5485 GB, free: 10.01 MB / 474.8 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.001159/0.03157, allocations: 0.5626 MB / 0.5491 GB, free: 9.441 MB / 474.8 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.463e-05/0.03166, allocations: 59.94 kB / 0.5491 GB, free: 9.383 MB / 474.8 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004465/0.03612, allocations: 4.846 MB / 0.5539 GB, free: 4.43 MB / 474.8 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.342e-06/0.03612, allocations: 0 / 0.5539 GB, free: 4.43 MB / 474.8 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002553/0.03868, allocations: 2.303 MB / 0.5561 GB, free: 2.113 MB / 474.8 MB Notification: Performance of postOpt removeConstants (simulation): time 5.53e-05/0.03873, allocations: 51.52 kB / 0.5562 GB, free: 2.062 MB / 474.8 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 8.728e-05/0.03882, allocations: 51.95 kB / 0.5562 GB, free: 2.012 MB / 474.8 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001939/0.03901, allocations: 23.98 kB / 0.5563 GB, free: 1.988 MB / 474.8 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001685/0.03918, allocations: 92.81 kB / 0.5563 GB, free: 1.895 MB / 474.8 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.61e-05/0.03922, allocations: 35.98 kB / 0.5564 GB, free: 1.859 MB / 474.8 MB Notification: Performance of sorting global known variables: time 2.819e-05/0.03924, allocations: 79.27 kB / 0.5564 GB, free: 1.781 MB / 474.8 MB Notification: Performance of sort global known variables: time 4e-08/0.03924, allocations: 0 / 0.5564 GB, free: 1.781 MB / 474.8 MB Notification: Performance of remove unused functions: time 0.0005756/0.03982, allocations: 284 kB / 0.5567 GB, free: 1.504 MB / 474.8 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 80 (xm[1],xm[2],xm[3],xm[4],xm[5],xm[6],xm[7],xm[8],xm[9],xm[10],xm[11],xm[12],xm[13],xm[14],xm[15],xm[16],xm[17],xm[18],xm[19],xm[20],xm[21],xm[22],xm[23],xm[24],xm[25],xm[26],xm[27],xm[28],xm[29],xm[30],xm[31],xm[32],xm[33],xm[34],xm[35],xm[36],xm[37],xm[38],xm[39],xm[40],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],v[10],v[11],v[12],v[13],v[14],v[15],v[16],v[17],v[18],v[19],v[20],v[21],v[22],v[23],v[24],v[25],v[26],v[27],v[28],v[29],v[30],v[31],v[32],v[33],v[34],v[35],v[36],v[37],v[38],v[39],v[40]) * 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 (81): * Single equations (assignments): 80 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,39,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0001826/0.04, allocations: 173.7 kB / 0.5569 GB, free: 1.324 MB / 474.8 MB Notification: Performance of simCode: created initialization part: time 0.002109/0.04211, allocations: 1.599 MB / 0.5584 GB, free: 15.71 MB / 490.8 MB Notification: Performance of simCode: created event and clocks part: time 2.865e-06/0.04211, allocations: 0 / 0.5584 GB, free: 15.71 MB / 490.8 MB Notification: Performance of simCode: created simulation system equations: time 0.001182/0.0433, allocations: 0.9861 MB / 0.5594 GB, free: 14.71 MB / 490.8 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002486/0.04354, allocations: 39.98 kB / 0.5594 GB, free: 14.67 MB / 490.8 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003481/0.04703, allocations: 4.327 MB / 0.5637 GB, free: 10.31 MB / 490.8 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002309/0.04726, allocations: 347.8 kB / 0.564 GB, free: 9.945 MB / 490.8 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000137/0.04739, allocations: 52.5 kB / 0.5641 GB, free: 9.895 MB / 490.8 MB Notification: Performance of SimCode: time 1.673e-06/0.04739, allocations: 3.938 kB / 0.5641 GB, free: 9.891 MB / 490.8 MB Notification: Performance of Templates: time 0.009466/0.05686, allocations: 9.87 MB / 0.5737 GB, free: 48 kB / 490.8 MB " [Timeout remaining time 300] make -j1 -f ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40.makefile [Timeout 300] (rm -f ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40.pipe ; mkfifo ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40.pipe ; head -c 1048576 < ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40.pipe >> ../files/ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40.sim & ./ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40 -abortSlowSimulation -alarm=300 -emit_protected -lv LOG_STATS > ScalableTestSuite_ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillatorNetwork_N_40.pipe 2>&1) [Timeout 300] Could not SIGINT process: 2841762. Could not SIGINT process: 2841763. Could not SIGINT process: 2841766. Could not SIGINT process: 2841622. [Calling os._exit(0), Time elapsed: 307.79738660994917] Failed to read output from testmodel.py, exit status != 0: 0.06290534697473049 0.07064561099999994 0.06465082199999994 Calling exit ...