Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.FixedResistances.Examples.PressureDrop.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 0.0008375/0.0008375, allocations: 76.55 kB / 19.93 MB, free: 4.633 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 0.000891/0.000891, allocations: 177.9 kB / 23.21 MB, free: 1.352 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 0.9085/0.9085, allocations: 177.1 MB / 203.5 MB, free: 5.742 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.5635/0.5635, allocations: 114 MB / 373.9 MB, free: 8.703 MB / 346.7 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 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: "" <> buildModelFMU(IBPSA.Fluid.FixedResistances.Examples.PressureDrop,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_FixedResistances_Examples_PressureDrop",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.FixedResistances.Examples.PressureDrop,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_FixedResistances_Examples_PressureDrop",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.014e-06/2.014e-06, allocations: 0 / 0.5542 GB, free: 2.781 MB / 0.5105 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.326e-05/2.528e-05, allocations: 4.391 kB / 0.5542 GB, free: 2.777 MB / 0.5105 GB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.FixedResistances.Examples.PressureDrop): time 0.443/0.4431, allocations: 142.2 MB / 0.6931 GB, free: 41.87 MB / 0.6355 GB Notification: Performance of NFInst.instExpressions: time 0.001987/0.445, allocations: 1.595 MB / 0.6947 GB, free: 41.82 MB / 0.6355 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002726/0.4453, allocations: 15.28 kB / 0.6947 GB, free: 41.82 MB / 0.6355 GB Notification: Performance of NFTyping.typeComponents: time 0.0006315/0.4459, allocations: 156.7 kB / 0.6948 GB, free: 41.82 MB / 0.6355 GB Notification: Performance of NFTyping.typeBindings: time 0.001141/0.4471, allocations: 0.5277 MB / 0.6953 GB, free: 41.8 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.0008208/0.4479, allocations: 453.6 kB / 0.6958 GB, free: 41.78 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.0006279/0.4485, allocations: 0.5464 MB / 0.6963 GB, free: 41.78 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002579/0.4488, allocations: 135.3 kB / 0.6964 GB, free: 41.77 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0009025/0.4497, allocations: 0.5426 MB / 0.697 GB, free: 41.77 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001673/0.4499, allocations: 138.7 kB / 0.6971 GB, free: 41.77 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 2.899e-05/0.4499, allocations: 11.06 kB / 0.6971 GB, free: 41.77 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0007292/0.4506, allocations: 0.5639 MB / 0.6977 GB, free: 41.76 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 8.919e-05/0.4507, allocations: 91.45 kB / 0.6977 GB, free: 41.75 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 7.56e-05/0.4508, allocations: 79.69 kB / 0.6978 GB, free: 41.75 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.0005393/0.4513, allocations: 0.5085 MB / 0.6983 GB, free: 41.71 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 4.548e-06/0.4513, allocations: 0 / 0.6983 GB, free: 41.71 MB / 0.6355 GB Notification: Performance of FrontEnd: time 1.623e-06/0.4513, allocations: 0 / 0.6983 GB, free: 41.71 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 6.863e-06/0.4513, allocations: 4.125 kB / 0.6983 GB, free: 41.71 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 32 * Number of variables: 32 Notification: Performance of Generate backend data structure: time 0.0005722/0.4519, allocations: 0.5089 MB / 0.6988 GB, free: 41.34 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 4.346e-05/0.452, allocations: 8.531 kB / 0.6988 GB, free: 41.34 MB / 0.6355 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 3.562e-05/0.452, allocations: 47.62 kB / 0.6989 GB, free: 41.3 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002372/0.4522, allocations: 61.56 kB / 0.6989 GB, free: 41.28 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003357/0.4526, allocations: 247.9 kB / 0.6992 GB, free: 41.11 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.595e-05/0.4526, allocations: 13.09 kB / 0.6992 GB, free: 41.11 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 1.962e-05/0.4526, allocations: 13.66 kB / 0.6992 GB, free: 41.11 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002656/0.4529, allocations: 217.9 kB / 0.6994 GB, free: 41.02 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.558e-06/0.4529, allocations: 0.9375 kB / 0.6994 GB, free: 41.02 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.454e-05/0.4529, allocations: 6.156 kB / 0.6994 GB, free: 41.02 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.352e-06/0.4529, allocations: 3.406 kB / 0.6994 GB, free: 41.02 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001772/0.4531, allocations: 136.3 kB / 0.6995 GB, free: 41.02 MB / 0.6355 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006531/0.4537, allocations: 0.6653 MB / 0.7002 GB, free: 40.6 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000169/0.4539, allocations: 80.44 kB / 0.7003 GB, free: 40.57 MB / 0.6355 GB Notification: Performance of preOpt resolveLoops (simulation): time 9.137e-05/0.454, allocations: 71.89 kB / 0.7003 GB, free: 40.57 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001542/0.4541, allocations: 36.08 kB / 0.7004 GB, free: 40.57 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.628e-05/0.4542, allocations: 34.69 kB / 0.7004 GB, free: 40.53 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=10): time 2.254e-06/0.4542, allocations: 2.531 kB / 0.7004 GB, free: 40.53 MB / 0.6355 GB Notification: Performance of matching and sorting (n=10): time 0.0004246/0.4546, allocations: 219.4 kB / 0.7006 GB, free: 40.48 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.911e-05/0.4546, allocations: 54.31 kB / 0.7007 GB, free: 40.42 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001618/0.4548, allocations: 269.1 kB / 0.7009 GB, free: 40.32 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 1.263e-05/0.4548, allocations: 31.11 kB / 0.7009 GB, free: 40.29 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 6.148e-05/0.4548, allocations: 148.2 kB / 0.7011 GB, free: 40.19 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 2.457e-05/0.4549, allocations: 40.39 kB / 0.7011 GB, free: 40.16 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.285e-05/0.4549, allocations: 31.16 kB / 0.7012 GB, free: 40.15 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 4.653e-05/0.455, allocations: 330.5 kB / 0.7015 GB, free: 39.84 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 7.179e-05/0.455, allocations: 48.81 kB / 0.7015 GB, free: 39.83 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000113/0.4551, allocations: 223.5 kB / 0.7017 GB, free: 39.62 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000146/0.4553, allocations: 120.8 kB / 0.7018 GB, free: 39.59 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.035e-06/0.4553, allocations: 1.094 kB / 0.7018 GB, free: 39.59 MB / 0.6355 GB Notification: Performance of matching and sorting (n=10) (initialization): time 0.0001986/0.4555, allocations: 165.5 kB / 0.702 GB, free: 39.55 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 1.659e-05/0.4555, allocations: 9.188 kB / 0.702 GB, free: 39.55 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5e-06/0.4555, allocations: 0 / 0.702 GB, free: 39.55 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.842e-05/0.4555, allocations: 10.17 kB / 0.702 GB, free: 39.55 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 6.368e-05/0.4556, allocations: 19.16 kB / 0.702 GB, free: 39.55 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.951e-06/0.4556, allocations: 3.062 kB / 0.702 GB, free: 39.55 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 8.606e-05/0.4557, allocations: 21.05 kB / 0.7021 GB, free: 39.54 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.867e-05/0.4557, allocations: 2.875 kB / 0.7021 GB, free: 39.54 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001057/0.4558, allocations: 152.1 kB / 0.7022 GB, free: 39.46 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 9.589e-05/0.4559, allocations: 221.4 kB / 0.7024 GB, free: 39.26 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0001227/0.456, allocations: 119 kB / 0.7025 GB, free: 39.23 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.52e-07/0.456, allocations: 3.203 kB / 0.7025 GB, free: 39.23 MB / 0.6355 GB Notification: Performance of matching and sorting (n=10) (initialization_lambda0): time 0.0001612/0.4562, allocations: 157 kB / 0.7027 GB, free: 39.18 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 6.732e-06/0.4562, allocations: 5.938 kB / 0.7027 GB, free: 39.18 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.794e-06/0.4562, allocations: 0.6562 kB / 0.7027 GB, free: 39.18 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.086e-06/0.4562, allocations: 3 kB / 0.7027 GB, free: 39.18 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 4.772e-05/0.4563, allocations: 26 kB / 0.7027 GB, free: 39.18 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.416e-06/0.4563, allocations: 9.875 kB / 0.7027 GB, free: 39.18 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 7.622e-05/0.4563, allocations: 14.67 kB / 0.7027 GB, free: 39.18 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.619e-06/0.4563, allocations: 14.25 kB / 0.7028 GB, free: 39.18 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * 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 (10): * Single equations (assignments): 10 * 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 5.407e-05/0.4564, allocations: 184.9 kB / 0.7029 GB, free: 39 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.509e-05/0.4564, allocations: 23.17 kB / 0.703 GB, free: 38.98 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002127/0.4566, allocations: 163 kB / 0.7031 GB, free: 38.94 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.276e-06/0.4566, allocations: 6.75 kB / 0.7031 GB, free: 38.94 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.987e-06/0.4566, allocations: 1.031 kB / 0.7031 GB, free: 38.94 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.017e-06/0.4566, allocations: 3.047 kB / 0.7031 GB, free: 38.94 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000496/0.4571, allocations: 0.5428 MB / 0.7037 GB, free: 38.61 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.104e-06/0.4571, allocations: 3.5 kB / 0.7037 GB, free: 38.61 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.911e-05/0.4572, allocations: 26.34 kB / 0.7037 GB, free: 38.61 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.777e-06/0.4572, allocations: 7.062 kB / 0.7037 GB, free: 38.61 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.959e-06/0.4572, allocations: 5.562 kB / 0.7037 GB, free: 38.61 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.256e-06/0.4572, allocations: 2.906 kB / 0.7037 GB, free: 38.61 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.735e-06/0.4572, allocations: 3.969 kB / 0.7037 GB, free: 38.61 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001843/0.4574, allocations: 292.7 kB / 0.704 GB, free: 38.41 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 4.932e-05/0.4574, allocations: 39 kB / 0.704 GB, free: 38.4 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.042e-05/0.4575, allocations: 3.125 kB / 0.704 GB, free: 38.4 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 9.028e-05/0.4576, allocations: 13.8 kB / 0.704 GB, free: 38.4 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.059e-05/0.4576, allocations: 18.7 kB / 0.7041 GB, free: 38.39 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.193e-06/0.4576, allocations: 6.219 kB / 0.7041 GB, free: 38.39 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0001047/0.4577, allocations: 199.9 kB / 0.7042 GB, free: 38.31 MB / 0.6355 GB Notification: Performance of sort global known variables: time 5e-08/0.4577, allocations: 0.9688 kB / 0.7042 GB, free: 38.31 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.000333/0.458, allocations: 97.02 kB / 0.7043 GB, free: 38.3 MB / 0.6355 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * 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 (10): * Single equations (assignments): 10 * 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 Backend phase and start with SimCode phase: time 0.0004833/0.4585, allocations: 0.8681 MB / 0.7052 GB, free: 37.58 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.0002889/0.4588, allocations: 167.3 kB / 0.7053 GB, free: 37.58 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 2.394e-06/0.4588, allocations: 0 / 0.7053 GB, free: 37.58 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 8.15e-05/0.4589, allocations: 61.22 kB / 0.7054 GB, free: 37.58 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004528/0.4593, allocations: 103.6 kB / 0.7055 GB, free: 37.57 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001821/0.4612, allocations: 2.351 MB / 0.7078 GB, free: 36.12 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001231/0.4613, allocations: 146.1 kB / 0.7079 GB, free: 36.05 MB / 0.6355 GB Notification: Performance of simCode: alias equations: time 0.0001747/0.4615, allocations: 71.11 kB / 0.708 GB, free: 36.05 MB / 0.6355 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 9.087e-05/0.4616, allocations: 70.44 kB / 0.7081 GB, free: 36.04 MB / 0.6355 GB Notification: Performance of SimCode: time 1.303e-06/0.4616, allocations: 0.9062 kB / 0.7081 GB, free: 36.04 MB / 0.6355 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02471/0.4863, allocations: 7.796 MB / 0.7157 GB, free: 34.92 MB / 0.6355 GB Notification: Performance of buildModelFMU: Generate platform static: time 7.109/7.596, allocations: 10.67 kB / 0.7157 GB, free: 34.91 MB / 0.6355 GB " [Timeout remaining time 652] (rm -f IBPSA_latest_IBPSA.Fluid.FixedResistances.Examples.PressureDrop.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.FixedResistances.Examples.PressureDrop.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.FixedResistances.Examples.PressureDrop.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.FixedResistances.Examples.PressureDrop.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IBPSA_latest_IBPSA_Fluid_FixedResistances_Examples_PressureDrop_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_Fluid_FixedResistances_Examples_PressureDrop.fmu > IBPSA_latest_IBPSA.Fluid.FixedResistances.Examples.PressureDrop.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 10.157920639030635] Failed to read output from testmodel.py, exit status != 0: 7.6806220058351755 7.694896609 7.241336147 Calling exit ...