Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AES_AES.Devel_test_models.dz2.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 0.00126/0.00126, allocations: 96.42 kB / 19.7 MB, free: 2.133 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 0.001368/0.001368, allocations: 207.8 kB / 22.99 MB, free: 4.957 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 1.4/1.4, allocations: 230.6 MB / 256.8 MB, free: 7.82 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AES main/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AES main/package.mo): time 0.1069/0.1069, allocations: 24.13 MB / 337.3 MB, free: 11.35 MB / 270.1 MB " [Timeout remaining time 180] Using package AES with version (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AES main/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) Ignoring simflag -noemit -variableFilter=.* since it seems broken on HelloWorld Running command: translateModel(AES.Devel_test_models.dz2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2000,variableFilter="",fileNamePrefix="AES_AES.Devel_test_models.dz2") translateModel(AES.Devel_test_models.dz2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2000,variableFilter="",fileNamePrefix="AES_AES.Devel_test_models.dz2") [Timeout 660] "Notification: AES 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 0.002017/0.002017, allocations: 63.89 kB / 475.2 MB, free: 5 MB / 334.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3093/0.3114, allocations: 59.61 MB / 0.5223 GB, free: 10.83 MB / 382.1 MB Notification: Performance of NFInst.instantiate(AES.Devel_test_models.dz2): time 0.002562/0.3139, allocations: 1.777 MB / 0.524 GB, free: 9.629 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.0008583/0.3148, allocations: 0.494 MB / 0.5245 GB, free: 9.301 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 8.508e-05/0.3149, allocations: 1.406 kB / 0.5245 GB, free: 9.301 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 3.772e-05/0.3149, allocations: 15.77 kB / 0.5245 GB, free: 9.289 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0001921/0.3151, allocations: 39.36 kB / 0.5246 GB, free: 9.258 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0001637/0.3153, allocations: 62.23 kB / 0.5246 GB, free: 9.227 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.000163/0.3154, allocations: 123.3 kB / 0.5248 GB, free: 9.172 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001144/0.3155, allocations: 33.44 kB / 0.5248 GB, free: 9.152 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 5.682e-05/0.3156, allocations: 57.67 kB / 0.5248 GB, free: 9.121 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 8.509e-05/0.3157, allocations: 59.84 kB / 0.5249 GB, free: 9.086 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 2.726e-05/0.3157, allocations: 8.531 kB / 0.5249 GB, free: 9.086 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 2.221e-05/0.3157, allocations: 9.906 kB / 0.5249 GB, free: 9.086 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 2.456e-05/0.3157, allocations: 19.67 kB / 0.5249 GB, free: 9.074 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 4.811e-05/0.3158, allocations: 47.73 kB / 0.525 GB, free: 9.043 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0001523/0.3159, allocations: 117 kB / 0.5251 GB, free: 8.992 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.308e-06/0.3159, allocations: 0.6562 kB / 0.5251 GB, free: 8.992 MB / 382.1 MB Notification: Performance of FrontEnd: time 1.633e-06/0.316, allocations: 0 / 0.5251 GB, free: 8.992 MB / 382.1 MB Notification: Performance of Transformations before backend: time 5.46e-06/0.316, allocations: 0 / 0.5251 GB, free: 8.992 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 22 * Number of variables: 22 Notification: Performance of Generate backend data structure: time 0.0005261/0.3165, allocations: 360.3 kB / 0.5254 GB, free: 8.68 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.44e-05/0.3165, allocations: 9.609 kB / 0.5255 GB, free: 8.68 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 4.965e-05/0.3166, allocations: 20.84 kB / 0.5255 GB, free: 8.668 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002139/0.3168, allocations: 156 kB / 0.5256 GB, free: 8.516 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.654e-05/0.3168, allocations: 12.25 kB / 0.5256 GB, free: 8.508 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 2.721e-05/0.3168, allocations: 10.98 kB / 0.5256 GB, free: 8.504 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003035/0.3171, allocations: 156.2 kB / 0.5258 GB, free: 8.398 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.867e-06/0.3171, allocations: 3.938 kB / 0.5258 GB, free: 8.395 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.673e-05/0.3172, allocations: 6.188 kB / 0.5258 GB, free: 8.391 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.95e-06/0.3172, allocations: 1.469 kB / 0.5258 GB, free: 8.391 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002457/0.3174, allocations: 94.08 kB / 0.5259 GB, free: 8.359 MB / 382.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006583/0.3181, allocations: 409.2 kB / 0.5263 GB, free: 8.051 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0004066/0.3185, allocations: 131.1 kB / 0.5264 GB, free: 7.996 MB / 382.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.000132/0.3186, allocations: 47.02 kB / 0.5265 GB, free: 7.977 MB / 382.1 MB Notification: Performance of preOpt evalFunc (simulation): time 2.529e-05/0.3186, allocations: 2.188 kB / 0.5265 GB, free: 7.977 MB / 382.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.798e-05/0.3186, allocations: 39.5 kB / 0.5265 GB, free: 7.93 MB / 382.1 MB Notification: Performance of pre-optimization done (n=10): time 1.313e-06/0.3186, allocations: 1.125 kB / 0.5265 GB, free: 7.93 MB / 382.1 MB Notification: Performance of matching and sorting (n=10): time 0.0004855/0.3191, allocations: 163.4 kB / 0.5266 GB, free: 7.859 MB / 382.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.876e-05/0.3192, allocations: 84.28 kB / 0.5267 GB, free: 7.762 MB / 382.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 9.621e-05/0.3193, allocations: 147.3 kB / 0.5269 GB, free: 7.652 MB / 382.1 MB Notification: Performance of collectPreVariables (initialization): time 1.343e-05/0.3193, allocations: 29.7 kB / 0.5269 GB, free: 7.617 MB / 382.1 MB Notification: Performance of collectInitialEqns (initialization): time 5.202e-05/0.3193, allocations: 119.6 kB / 0.527 GB, free: 7.508 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 2.805e-05/0.3193, allocations: 43.19 kB / 0.5271 GB, free: 7.473 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 4.998e-05/0.3194, allocations: 35.17 kB / 0.5271 GB, free: 7.445 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 4.992e-05/0.3194, allocations: 326.4 kB / 0.5274 GB, free: 7.125 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001369/0.3196, allocations: 48.41 kB / 0.5274 GB, free: 7.102 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001481/0.3197, allocations: 90.84 kB / 0.5275 GB, free: 7.035 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008428/0.3206, allocations: 222.9 kB / 0.5277 GB, free: 6.961 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.753e-06/0.3206, allocations: 1.125 kB / 0.5277 GB, free: 6.961 MB / 382.1 MB Notification: Performance of matching and sorting (n=15) (initialization): time 0.0003402/0.3209, allocations: 156.3 kB / 0.5279 GB, free: 6.887 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.391e-05/0.3209, allocations: 5.562 kB / 0.5279 GB, free: 6.887 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.16e-06/0.3209, allocations: 9.188 kB / 0.5279 GB, free: 6.879 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.475e-05/0.321, allocations: 1.125 kB / 0.5279 GB, free: 6.879 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001882/0.3211, allocations: 29 kB / 0.5279 GB, free: 6.879 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.041e-06/0.3211, allocations: 0.6562 kB / 0.5279 GB, free: 6.879 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000104/0.3213, allocations: 24.92 kB / 0.528 GB, free: 6.867 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.21e-05/0.3213, allocations: 8.062 kB / 0.528 GB, free: 6.863 MB / 382.1 MB Warning: Assuming fixed start value for the following 4 variables: Aplus.y:VARIABLE(flow=false start = Aplus.y_start fixed = true ) \"Connector of Real output signal\" type: Real Aminus.y:VARIABLE(flow=false start = Aminus.y_start fixed = true ) \"Connector of Real output signal\" type: Real P.y:VARIABLE(flow=false start = P.y_start fixed = true ) \"Connector of Real output signal\" type: Real C.x:VARIABLE(start = C.x_start fixed = true ) \"State of block\" type: Real Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001714/0.3214, allocations: 126.2 kB / 0.5281 GB, free: 6.762 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 8.957e-05/0.3215, allocations: 86.02 kB / 0.5282 GB, free: 6.688 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005381/0.3221, allocations: 174.3 kB / 0.5283 GB, free: 6.621 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.22e-07/0.3221, allocations: 1.156 kB / 0.5283 GB, free: 6.621 MB / 382.1 MB Notification: Performance of matching and sorting (n=15) (initialization_lambda0): time 0.0002499/0.3223, allocations: 132.9 kB / 0.5285 GB, free: 6.551 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 7.975e-06/0.3223, allocations: 5.281 kB / 0.5285 GB, free: 6.551 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.024e-06/0.3223, allocations: 1.062 kB / 0.5285 GB, free: 6.551 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.455e-06/0.3223, allocations: 1.156 kB / 0.5285 GB, free: 6.551 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001299/0.3225, allocations: 31.89 kB / 0.5285 GB, free: 6.543 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.224e-06/0.3225, allocations: 1.25 kB / 0.5285 GB, free: 6.543 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 8.655e-05/0.3225, allocations: 19.81 kB / 0.5285 GB, free: 6.531 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.814e-06/0.3226, allocations: 3.375 kB / 0.5285 GB, free: 6.531 MB / 382.1 MB Warning: Assuming fixed start value for the following 4 variables: Aplus.y:VARIABLE(flow=false start = Aplus.y_start fixed = true ) \"Connector of Real output signal\" type: Real Aminus.y:VARIABLE(flow=false start = Aminus.y_start fixed = true ) \"Connector of Real output signal\" type: Real P.y:VARIABLE(flow=false start = P.y_start fixed = true ) \"Connector of Real output signal\" type: Real C.x:VARIABLE(start = C.x_start fixed = true ) \"State of block\" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 2 * 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 (15): * Single equations (assignments): 15 * 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 8.061e-05/0.3226, allocations: 201 kB / 0.5287 GB, free: 6.336 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.619e-05/0.3227, allocations: 9.766 kB / 0.5287 GB, free: 6.332 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003557/0.323, allocations: 146.9 kB / 0.5289 GB, free: 6.262 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.387e-06/0.323, allocations: 1.062 kB / 0.5289 GB, free: 6.262 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.027e-06/0.323, allocations: 0 / 0.5289 GB, free: 6.262 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.987e-06/0.323, allocations: 5.125 kB / 0.5289 GB, free: 6.258 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001642/0.3232, allocations: 152.6 kB / 0.529 GB, free: 6.113 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.042e-06/0.3232, allocations: 0 / 0.529 GB, free: 6.113 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001788/0.3234, allocations: 26.98 kB / 0.529 GB, free: 6.109 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.475e-06/0.3234, allocations: 1.219 kB / 0.529 GB, free: 6.109 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.387e-05/0.3234, allocations: 2.516 kB / 0.529 GB, free: 6.109 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.272e-06/0.3234, allocations: 7.938 kB / 0.5291 GB, free: 6.102 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.01e-07/0.3234, allocations: 1.125 kB / 0.5291 GB, free: 6.102 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004624/0.3239, allocations: 282.9 kB / 0.5293 GB, free: 5.918 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 2.064e-05/0.3239, allocations: 8.328 kB / 0.5293 GB, free: 5.914 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.486e-05/0.3239, allocations: 5.031 kB / 0.5293 GB, free: 5.91 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001317/0.324, allocations: 9.547 kB / 0.5293 GB, free: 5.91 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 3.272e-05/0.3241, allocations: 4.938 kB / 0.5294 GB, free: 5.91 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.396e-06/0.3241, allocations: 9.297 kB / 0.5294 GB, free: 5.906 MB / 382.1 MB Notification: Performance of sorting global known variables: time 5.424e-05/0.3241, allocations: 114 kB / 0.5295 GB, free: 5.82 MB / 382.1 MB Notification: Performance of sort global known variables: time 8e-08/0.3241, allocations: 0 / 0.5295 GB, free: 5.82 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.0003125/0.3244, allocations: 47.64 kB / 0.5295 GB, free: 5.805 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (Aplus.y,Aminus.y,P.y,C.x) * 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 7.871e-05/0.3245, allocations: 100.4 kB / 0.5296 GB, free: 5.707 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.0004378/0.325, allocations: 159.8 kB / 0.5298 GB, free: 5.66 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 1.984e-06/0.325, allocations: 0 / 0.5298 GB, free: 5.66 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.000141/0.3251, allocations: 54.08 kB / 0.5298 GB, free: 5.645 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003454/0.3255, allocations: 41.47 kB / 0.5299 GB, free: 5.629 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0007339/0.3262, allocations: 344.6 kB / 0.5302 GB, free: 5.41 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 6.88e-05/0.3263, allocations: 104.3 kB / 0.5303 GB, free: 5.328 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 7.99e-05/0.3263, allocations: 20.12 kB / 0.5303 GB, free: 5.32 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 4.353e-05/0.3264, allocations: 13.44 kB / 0.5303 GB, free: 5.316 MB / 382.1 MB Notification: Performance of SimCode: time 3.01e-07/0.3264, allocations: 0 / 0.5303 GB, free: 5.316 MB / 382.1 MB Notification: Performance of Templates: time 0.004536/0.3309, allocations: 1.744 MB / 0.532 GB, free: 5.137 MB / 382.1 MB " [Timeout remaining time 660] make -j1 -f AES_AES.Devel_test_models.dz2.makefile [Timeout 660] (rm -f AES_AES.Devel_test_models.dz2.pipe ; mkfifo AES_AES.Devel_test_models.dz2.pipe ; head -c 1048576 < AES_AES.Devel_test_models.dz2.pipe >> ../files/AES_AES.Devel_test_models.dz2.sim & ./AES_AES.Devel_test_models.dz2 -lv=LOG_STDOUT,LOG_ASSERT,LOG_STATS -s=dassl -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > AES_AES.Devel_test_models.dz2.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 4.527792187000159] Failed to read output from testmodel.py, exit status != 0: 0.3388528759969631 0.350751112 0.031716276 Calling exit ...