Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr HanserModelica_HanserModelica.InductionMachines.IMC_Transformer.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 0.001246/0.001246, allocations: 109.2 kB / 16.46 MB, free: 6.453 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 1.522/1.522, allocations: 230.6 MB / 249.8 MB, free: 9.207 MB / 206.1 MB " [Timeout remaining time 178] 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 0.001636/0.001636, allocations: 206.7 kB / 306 MB, free: 4.293 MB / 238.1 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/HanserModelica 2.0.1/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/HanserModelica 2.0.1/package.mo): time 0.04195/0.04195, allocations: 8.907 MB / 371 MB, free: 3.422 MB / 302.1 MB " [Timeout remaining time 180] Using package HanserModelica with version 2.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/HanserModelica 2.0.1/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 Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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) Ignoring simflag -noemit -jacobian= since it seems broken on HelloWorld Running command: "" <> buildModelFMU(HanserModelica.InductionMachines.IMC_Transformer,fileNamePrefix="HanserModelica_HanserModelica_InductionMachines_IMC_Transformer",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(HanserModelica.InductionMachines.IMC_Transformer,fileNamePrefix="HanserModelica_HanserModelica_InductionMachines_IMC_Transformer",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: HanserModelica requested package Complex of version 4.0.0. Complex 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: HanserModelica 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 0.002425/0.002425, allocations: 87.81 kB / 499.3 MB, free: 6.281 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3455/0.3479, allocations: 55.56 MB / 0.5418 GB, free: 28.3 MB / 382.1 MB Notification: Performance of NFInst.instantiate(HanserModelica.InductionMachines.IMC_Transformer): time 0.05062/0.3985, allocations: 50.33 MB / 0.591 GB, free: 7.891 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.04396/0.4425, allocations: 13.16 MB / 0.6038 GB, free: 13.11 MB / 414.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.01604/0.4585, allocations: 459.2 kB / 0.6043 GB, free: 12.96 MB / 414.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0363/0.4948, allocations: 14 MB / 0.6179 GB, free: 15.57 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.02467/0.5195, allocations: 5.553 MB / 0.6234 GB, free: 10 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.01463/0.5341, allocations: 3.361 MB / 0.6266 GB, free: 6.668 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.04261/0.5767, allocations: 24.35 MB / 0.6504 GB, free: 14.23 MB / 462.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.07965/0.6564, allocations: 35.5 MB / 0.6851 GB, free: 10.48 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.6897/1.346, allocations: 12.86 MB / 0.6976 GB, free: 32.88 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.02804/1.374, allocations: 14.14 MB / 0.7115 GB, free: 32.17 MB / 494.1 MB Notification: Performance of NFPackage.collectConstants: time 0.01543/1.39, allocations: 3.625 MB / 0.715 GB, free: 32.17 MB / 494.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.02255/1.412, allocations: 4.138 MB / 0.719 GB, free: 32.17 MB / 494.1 MB Notification: Performance of NFScalarize.scalarize: time 0.01988/1.432, allocations: 7.329 MB / 0.7262 GB, free: 31.36 MB / 494.1 MB Notification: Performance of NFVerifyModel.verify: time 0.03713/1.469, allocations: 13.8 MB / 0.7397 GB, free: 26.73 MB / 494.1 MB Notification: Performance of NFConvertDAE.convert: time 0.07124/1.54, allocations: 48.85 MB / 0.7874 GB, free: 10.86 MB / 0.4982 GB Notification: Performance of FrontEnd - DAE generated: time 9.728e-06/1.54, allocations: 0 / 0.7874 GB, free: 10.86 MB / 0.4982 GB Notification: Performance of FrontEnd: time 3.096e-06/1.54, allocations: 0 / 0.7874 GB, free: 10.86 MB / 0.4982 GB Notification: Performance of Transformations before backend: time 0.002032/1.542, allocations: 0 / 0.7874 GB, free: 10.86 MB / 0.4982 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 5818 * Number of variables: 5818 Notification: Performance of Generate backend data structure: time 0.1076/1.65, allocations: 28.17 MB / 0.8149 GB, free: 14.78 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 6.178e-05/1.65, allocations: 12.03 kB / 0.8149 GB, free: 14.77 MB / 0.5294 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0153/1.665, allocations: 2.979 MB / 0.8178 GB, free: 11.8 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.08269/1.748, allocations: 13.81 MB / 0.8313 GB, free: 14.12 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04789/1.796, allocations: 15.11 MB / 0.846 GB, free: 15.57 MB / 0.5607 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002468/1.798, allocations: 1.569 MB / 0.8476 GB, free: 14.02 MB / 0.5607 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.01429/1.813, allocations: 2.076 MB / 0.8496 GB, free: 11.97 MB / 0.5607 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.1259/1.939, allocations: 34.79 MB / 0.8836 GB, free: 9.117 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.001452/1.94, allocations: 27.89 kB / 0.8836 GB, free: 9.09 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.01114/1.951, allocations: 0.8575 MB / 0.8844 GB, free: 8.254 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0023/1.953, allocations: 1.16 MB / 0.8856 GB, free: 7.094 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.1035/2.057, allocations: 32.4 MB / 0.9172 GB, free: 6.688 MB / 0.6232 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.83/2.887, allocations: 107.2 MB / 1.022 GB, free: 137.4 MB / 0.6233 GB Notification: Performance of preOpt comSubExp (simulation): time 0.04629/2.933, allocations: 49.82 MB / 1.071 GB, free: 93.26 MB / 0.6233 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01789/2.951, allocations: 9 MB / 1.079 GB, free: 84.46 MB / 0.6233 GB Notification: Performance of preOpt evalFunc (simulation): time 0.05965/3.011, allocations: 22.87 MB / 1.102 GB, free: 61.93 MB / 0.6233 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001374/3.011, allocations: 133.8 kB / 1.102 GB, free: 61.79 MB / 0.6233 GB Notification: Performance of pre-optimization done (n=894): time 2.324e-05/3.011, allocations: 11.94 kB / 1.102 GB, free: 61.77 MB / 0.6233 GB Notification: Performance of matching and sorting (n=906): time 0.08592/3.097, allocations: 39.91 MB / 1.141 GB, free: 22.31 MB / 0.6233 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.259e-05/3.097, allocations: 172.4 kB / 1.141 GB, free: 22.12 MB / 0.6233 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01632/3.113, allocations: 8.392 MB / 1.149 GB, free: 13.82 MB / 0.6233 GB Notification: Performance of collectPreVariables (initialization): time 0.002844/3.116, allocations: 177.7 kB / 1.149 GB, free: 13.64 MB / 0.6233 GB Notification: Performance of collectInitialEqns (initialization): time 0.007562/3.124, allocations: 8.996 MB / 1.158 GB, free: 5.578 MB / 0.6233 GB Notification: Performance of collectInitialBindings (initialization): time 0.004872/3.129, allocations: 3.203 MB / 1.161 GB, free: 2.418 MB / 0.6233 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.005957/3.135, allocations: 2.24 MB / 1.163 GB, free: 172 kB / 0.6233 GB Notification: Performance of setup shared object (initialization): time 0.3882/3.523, allocations: 301.1 kB / 1.164 GB, free: 193.9 MB / 0.6233 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0149/3.538, allocations: 6.259 MB / 1.17 GB, free: 193.9 MB / 0.6233 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01491/3.553, allocations: 9.977 MB / 1.18 GB, free: 187.3 MB / 0.6233 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02996/3.582, allocations: 17.27 MB / 1.196 GB, free: 176.6 MB / 0.6233 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0002051/3.583, allocations: 32.62 kB / 1.196 GB, free: 176.6 MB / 0.6233 GB Notification: Performance of matching and sorting (n=1484) (initialization): time 0.05086/3.634, allocations: 20.29 MB / 1.216 GB, free: 168.9 MB / 0.6233 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001327/3.634, allocations: 54.69 kB / 1.216 GB, free: 168.9 MB / 0.6233 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002605/3.634, allocations: 114.5 kB / 1.216 GB, free: 168.9 MB / 0.6233 GB Notification: Tearing is skipped for strong component 1 because system size of 204 exceeds maximum system size for tearing of linear systems (200). To adjust the maximum system size for tearing use --maxSizeLinearTearing=. Notification: Performance of postOpt tearingSystem (initialization): time 0.003034/3.637, allocations: 0.9268 MB / 1.217 GB, free: 168.7 MB / 0.6233 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01111/3.648, allocations: 2.418 MB / 1.22 GB, free: 168.5 MB / 0.6233 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01058/3.659, allocations: 12.5 MB / 1.232 GB, free: 158.7 MB / 0.6233 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01201/3.671, allocations: 0.6034 MB / 1.233 GB, free: 158.5 MB / 0.6233 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003325/3.674, allocations: 0.5254 MB / 1.233 GB, free: 158.4 MB / 0.6233 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 531 * Number of states: 0 () * Number of discrete variables: 12 (booleanStep2[3].y,booleanStep2[2].y,booleanStep2[1].y,idealCloser.control[3],idealCloser.control[2],idealCloser.control[1],booleanStep2QS[3].y,booleanStep2QS[2].y,booleanStep2QS[1].y,booleanStep1QS[3].y,booleanStep1QS[2].y,booleanStep1QS[1].y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1230): * Single equations (assignments): 1223 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(2,100.0%), (204,1.3%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 5 systems {(3,25,77.8%), (1,8,100.0%), (1,1,100.0%), (1,13,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.01966/3.694, allocations: 7.921 MB / 1.241 GB, free: 153.9 MB / 0.6233 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.004819/3.698, allocations: 0.9557 MB / 1.242 GB, free: 153.4 MB / 0.6233 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04338/3.742, allocations: 16.91 MB / 1.258 GB, free: 139.3 MB / 0.6233 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.354e-05/3.742, allocations: 96 kB / 1.258 GB, free: 139.2 MB / 0.6233 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.000167/3.742, allocations: 40 kB / 1.258 GB, free: 139.2 MB / 0.6233 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0002608/3.742, allocations: 46.03 kB / 1.258 GB, free: 139.2 MB / 0.6233 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.09076/3.833, allocations: 35.8 MB / 1.293 GB, free: 107.5 MB / 0.6233 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.000118/3.833, allocations: 12.09 kB / 1.293 GB, free: 107.5 MB / 0.6233 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00718/3.84, allocations: 1.439 MB / 1.295 GB, free: 106 MB / 0.6233 GB Notification: Tearing is skipped for strong component 14 because system size of 204 exceeds maximum system size for tearing of linear systems (200). To adjust the maximum system size for tearing use --maxSizeLinearTearing=. Notification: Performance of postOpt tearingSystem (simulation): time 0.003346/3.844, allocations: 0.9864 MB / 1.296 GB, free: 105 MB / 0.6233 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.002376/3.846, allocations: 227.9 kB / 1.296 GB, free: 104.8 MB / 0.6233 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01432/3.86, allocations: 17.15 MB / 1.313 GB, free: 86.85 MB / 0.6233 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.831e-06/3.86, allocations: 8 kB / 1.313 GB, free: 86.84 MB / 0.6233 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.044/3.904, allocations: 24.77 MB / 1.337 GB, free: 62.41 MB / 0.6233 GB Notification: Performance of postOpt removeConstants (simulation): time 0.008266/3.913, allocations: 2.303 MB / 1.339 GB, free: 60.15 MB / 0.6233 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003892/3.917, allocations: 176 kB / 1.339 GB, free: 59.98 MB / 0.6233 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007615/3.924, allocations: 491.5 kB / 1.34 GB, free: 59.5 MB / 0.6233 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.002684/3.927, allocations: 0.803 MB / 1.341 GB, free: 58.7 MB / 0.6233 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0009641/3.928, allocations: 263.9 kB / 1.341 GB, free: 58.44 MB / 0.6233 GB Notification: Performance of sorting global known variables: time 0.0114/3.939, allocations: 5.71 MB / 1.346 GB, free: 52.74 MB / 0.6233 GB Notification: Performance of sort global known variables: time 1.9e-07/3.939, allocations: 0 / 1.346 GB, free: 52.74 MB / 0.6233 GB Notification: Performance of remove unused functions: time 0.01555/3.955, allocations: 3.475 MB / 1.35 GB, free: 49.27 MB / 0.6233 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 27 * Number of states: 12 (imcQS.inertiaRotor.w,imcQS.rotorCage.port_p.reference.gamma,quadraticLoadTorqueQS.phi,imc.inertiaRotor.w,imc.stator.zeroInductor.i0,imc.stator.core.Phi.re,imc.stator.core.Phi.im,imc.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter[3].Phi.re,imc.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter[3].Phi.im,transformer.l1sigma.inductor[2].i,transformer.l1sigma.inductor[3].i,quadraticLoadTorque.phi) * Number of discrete variables: 12 (booleanStep1QS[1].y,booleanStep1QS[2].y,booleanStep1QS[3].y,booleanStep2QS[1].y,booleanStep2QS[2].y,booleanStep2QS[3].y,idealCloser.control[1],idealCloser.control[2],idealCloser.control[3],booleanStep2[1].y,booleanStep2[2].y,booleanStep2[3].y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (703): * Single equations (assignments): 695 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 7 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 1 system {(204,1.3%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 7 systems {(1,1,100.0%), (1,8,100.0%), (3,25,88.9%), (1,1,100.0%), (1,8,100.0%), (1,13,100.0%), (2,12,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.04278/3.998, allocations: 25.73 MB / 1.375 GB, free: 23.37 MB / 0.6233 GB Notification: Performance of simCode: created initialization part: time 0.02524/4.023, allocations: 15.51 MB / 1.39 GB, free: 7.766 MB / 0.6233 GB Notification: Performance of simCode: created event and clocks part: time 1.398e-05/4.023, allocations: 4 kB / 1.39 GB, free: 7.762 MB / 0.6233 GB Notification: Performance of simCode: created simulation system equations: time 0.3462/4.369, allocations: 8.211 MB / 1.398 GB, free: 194.9 MB / 0.6233 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02243/4.391, allocations: 2.567 MB / 1.401 GB, free: 194.6 MB / 0.6233 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3156/4.707, allocations: 128.3 MB / 1.526 GB, free: 105.8 MB / 0.6233 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.03283/4.74, allocations: 13.13 MB / 1.539 GB, free: 92.63 MB / 0.6233 GB Notification: Performance of simCode: alias equations: time 0.01686/4.757, allocations: 3.994 MB / 1.543 GB, free: 88.63 MB / 0.6233 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01897/4.776, allocations: 7.868 MB / 1.55 GB, free: 80.76 MB / 0.6233 GB Notification: Performance of SimCode: time 2.084e-06/4.776, allocations: 4 kB / 1.55 GB, free: 80.75 MB / 0.6233 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.7715/5.547, allocations: 284.2 MB / 1.828 GB, free: 41.14 MB / 0.6389 GB Notification: Performance of buildModelFMU: Generate platform static: time 36.22/41.76, allocations: 14.12 kB / 1.828 GB, free: 41.13 MB / 0.6389 GB " [Timeout remaining time 618] (rm -f HanserModelica_HanserModelica.InductionMachines.IMC_Transformer.pipe ; mkfifo HanserModelica_HanserModelica.InductionMachines.IMC_Transformer.pipe ; head -c 1048576 < HanserModelica_HanserModelica.InductionMachines.IMC_Transformer.pipe >> ../files/HanserModelica_HanserModelica.InductionMachines.IMC_Transformer.sim & python3 -m fmpy simulate --output-file HanserModelica_HanserModelica.InductionMachines.IMC_Transformer_res.csv --start-time 0 --stop-time 2.5 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0001 HanserModelica_HanserModelica_InductionMachines_IMC_Transformer.fmu > HanserModelica_HanserModelica.InductionMachines.IMC_Transformer.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 50.21839057399484] Failed to read output from testmodel.py, exit status != 0: 42.0102993449982 42.032710527 40.487589377 Calling exit ...