Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr EHPTlib_EHPTlib.MapBased.TestingModels.TestICE.TestIceT.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 0.001517/0.001517, allocations: 99.64 kB / 18.94 MB, free: 2.551 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 0.001668/0.001668, allocations: 210.5 kB / 22.24 MB, free: 4.859 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 1.481/1.481, allocations: 230.6 MB / 256 MB, free: 7.777 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/EHPTlib 3.0.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/EHPTlib 3.0.0/package.mo): time 0.04621/0.04621, allocations: 8.539 MB / 321 MB, free: 10.4 MB / 254.1 MB " [Timeout remaining time 180] Using package EHPTlib with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/EHPTlib 3.0.0/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: translateModel(EHPTlib.MapBased.TestingModels.TestICE.TestIceT,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="EHPTlib_EHPTlib.MapBased.TestingModels.TestICE.TestIceT") translateModel(EHPTlib.MapBased.TestingModels.TestICE.TestIceT,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="EHPTlib_EHPTlib.MapBased.TestingModels.TestICE.TestIceT") [Timeout 660] "Notification: EHPTlib 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 0.002159/0.002159, allocations: 71.89 kB / 447.4 MB, free: 15.11 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1246/0.1268, allocations: 55.41 MB / 0.491 GB, free: 7.602 MB / 366.1 MB Notification: Performance of NFInst.instantiate(EHPTlib.MapBased.TestingModels.TestICE.TestIceT): time 0.006075/0.1328, allocations: 3.509 MB / 0.4944 GB, free: 4.074 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.003431/0.1363, allocations: 1.878 MB / 0.4962 GB, free: 2.191 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003238/0.1366, allocations: 15.94 kB / 0.4963 GB, free: 2.176 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0005562/0.1372, allocations: 202.9 kB / 0.4965 GB, free: 1.977 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0007373/0.1379, allocations: 282.6 kB / 0.4967 GB, free: 1.699 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.000975/0.1389, allocations: 409.5 kB / 0.4971 GB, free: 1.305 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.0008598/0.1397, allocations: 0.6431 MB / 0.4977 GB, free: 0.6602 MB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0003245/0.1401, allocations: 151.1 kB / 0.4979 GB, free: 0.5039 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003107/0.1404, allocations: 263 kB / 0.4981 GB, free: 252 kB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0004526/0.1408, allocations: 290.6 kB / 0.4984 GB, free: 15.96 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 9.403e-05/0.1409, allocations: 60 kB / 0.4985 GB, free: 15.9 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0003238/0.1412, allocations: 183.9 kB / 0.4986 GB, free: 15.72 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002196/0.1415, allocations: 219.3 kB / 0.4989 GB, free: 15.51 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002636/0.1417, allocations: 266.4 kB / 0.4991 GB, free: 15.25 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001091/0.1428, allocations: 0.9533 MB / 0.5 GB, free: 14.29 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.139e-06/0.1428, allocations: 0 / 0.5 GB, free: 14.29 MB / 382.1 MB Notification: Performance of FrontEnd: time 2.014e-06/0.1428, allocations: 0 / 0.5 GB, free: 14.29 MB / 382.1 MB Notification: Performance of Transformations before backend: time 9.347e-06/0.1428, allocations: 0 / 0.5 GB, free: 14.29 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: 86 * Number of variables: 86 Notification: Performance of Generate backend data structure: time 0.001891/0.1447, allocations: 1.055 MB / 0.5011 GB, free: 13.19 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.769e-05/0.1448, allocations: 11.97 kB / 0.5011 GB, free: 13.18 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001633/0.1449, allocations: 88.38 kB / 0.5012 GB, free: 13.09 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009354/0.1459, allocations: 0.5379 MB / 0.5017 GB, free: 12.53 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.523e-05/0.1459, allocations: 33.12 kB / 0.5017 GB, free: 12.5 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.523e-05/0.146, allocations: 39.95 kB / 0.5018 GB, free: 12.46 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000892/0.1469, allocations: 0.4956 MB / 0.5022 GB, free: 11.92 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.237e-05/0.1469, allocations: 7.984 kB / 0.5023 GB, free: 11.91 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.875e-05/0.1469, allocations: 16 kB / 0.5023 GB, free: 11.89 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.05e-05/0.1469, allocations: 8 kB / 0.5023 GB, free: 11.89 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008065/0.1478, allocations: 311.7 kB / 0.5026 GB, free: 11.58 MB / 382.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002445/0.1502, allocations: 1.445 MB / 0.504 GB, free: 10.08 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0009426/0.1511, allocations: 310.8 kB / 0.5043 GB, free: 9.766 MB / 382.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.000338/0.1515, allocations: 116.8 kB / 0.5044 GB, free: 9.648 MB / 382.1 MB Notification: Performance of preOpt evalFunc (simulation): time 3.822e-05/0.1515, allocations: 7.984 kB / 0.5044 GB, free: 9.641 MB / 382.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004704/0.152, allocations: 187.1 kB / 0.5046 GB, free: 9.445 MB / 382.1 MB Notification: Performance of pre-optimization done (n=24): time 1.934e-06/0.152, allocations: 0 / 0.5046 GB, free: 9.445 MB / 382.1 MB Notification: Performance of matching and sorting (n=24): time 0.001436/0.1534, allocations: 473.4 kB / 0.505 GB, free: 8.977 MB / 382.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.867e-05/0.1535, allocations: 132.5 kB / 0.5052 GB, free: 8.816 MB / 382.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001205/0.1547, allocations: 0.9572 MB / 0.5061 GB, free: 7.848 MB / 382.1 MB Notification: Performance of collectPreVariables (initialization): time 3.494e-05/0.1548, allocations: 29.7 kB / 0.5061 GB, free: 7.812 MB / 382.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003239/0.1551, allocations: 352.6 kB / 0.5065 GB, free: 7.465 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 8.419e-05/0.1552, allocations: 87.33 kB / 0.5065 GB, free: 7.379 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001284/0.1553, allocations: 77.69 kB / 0.5066 GB, free: 7.297 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 0.0001932/0.1555, allocations: 378.8 kB / 0.507 GB, free: 6.918 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004015/0.1559, allocations: 162.4 kB / 0.5071 GB, free: 6.75 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000532/0.1564, allocations: 332 kB / 0.5074 GB, free: 6.367 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007951/0.1572, allocations: 352.4 kB / 0.5078 GB, free: 5.992 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.03e-06/0.1572, allocations: 8 kB / 0.5078 GB, free: 5.984 MB / 382.1 MB Notification: Performance of matching and sorting (n=44) (initialization): time 0.001109/0.1583, allocations: 0.5204 MB / 0.5083 GB, free: 5.441 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 3.942e-05/0.1584, allocations: 37.67 kB / 0.5083 GB, free: 5.398 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.996e-06/0.1584, allocations: 4 kB / 0.5083 GB, free: 5.395 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001667/0.1585, allocations: 28.78 kB / 0.5084 GB, free: 5.363 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003303/0.1589, allocations: 71.89 kB / 0.5084 GB, free: 5.293 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001112/0.16, allocations: 1.256 MB / 0.5097 GB, free: 3.934 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003224/0.1603, allocations: 47.75 kB / 0.5097 GB, free: 3.887 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.912e-05/0.1603, allocations: 12 kB / 0.5097 GB, free: 3.875 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006022/0.1609, allocations: 377.6 kB / 0.5101 GB, free: 3.496 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004836/0.1614, allocations: 308.9 kB / 0.5104 GB, free: 3.137 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006927/0.1621, allocations: 328.1 kB / 0.5107 GB, free: 2.785 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.644e-06/0.1621, allocations: 0 / 0.5107 GB, free: 2.785 MB / 382.1 MB Notification: Performance of matching and sorting (n=44) (initialization_lambda0): time 0.001025/0.1631, allocations: 0.5044 MB / 0.5112 GB, free: 2.258 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 3.266e-05/0.1632, allocations: 29.7 kB / 0.5112 GB, free: 2.223 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.899e-06/0.1632, allocations: 4 kB / 0.5112 GB, free: 2.219 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 9.516e-05/0.1633, allocations: 29.06 kB / 0.5112 GB, free: 2.188 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003013/0.1636, allocations: 71.89 kB / 0.5113 GB, free: 2.117 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001112/0.1647, allocations: 1.248 MB / 0.5125 GB, free: 0.7695 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003114/0.165, allocations: 47.78 kB / 0.5126 GB, free: 0.7227 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.608e-05/0.165, allocations: 12.16 kB / 0.5126 GB, free: 0.7109 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 6 (trapezoid.count,$PRE.trapezoid.count,trapezoid.T_start,$PRE.trapezoid.T_start,$whenCondition1,iceT.tokgFuel.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (42): * Single equations (assignments): 40 * Array equations: 0 * Algorithm blocks: 1 * 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 {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0001736/0.1652, allocations: 205.5 kB / 0.5128 GB, free: 0.5039 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001013/0.1653, allocations: 67.58 kB / 0.5128 GB, free: 448 kB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009592/0.1663, allocations: 372.3 kB / 0.5132 GB, free: 52 kB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.705e-06/0.1663, allocations: 4 kB / 0.5132 GB, free: 48 kB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.338e-06/0.1663, allocations: 4 kB / 0.5132 GB, free: 44 kB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.524e-06/0.1663, allocations: 3.984 kB / 0.5132 GB, free: 40 kB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2455/0.4118, allocations: 401.6 kB / 0.5136 GB, free: 26.7 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.769e-06/0.4118, allocations: 1.266 kB / 0.5136 GB, free: 26.7 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003454/0.4121, allocations: 52.06 kB / 0.5136 GB, free: 26.7 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001116/0.4122, allocations: 30.5 kB / 0.5137 GB, free: 26.7 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.218e-05/0.4123, allocations: 3.875 kB / 0.5137 GB, free: 26.7 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000664/0.4129, allocations: 1.245 MB / 0.5149 GB, free: 25.53 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.723e-06/0.4129, allocations: 1.875 kB / 0.5149 GB, free: 25.53 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001152/0.4141, allocations: 0.5282 MB / 0.5154 GB, free: 25.45 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001613/0.4142, allocations: 87.2 kB / 0.5155 GB, free: 25.45 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.187e-05/0.4143, allocations: 4.688 kB / 0.5155 GB, free: 25.45 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002402/0.4146, allocations: 32.77 kB / 0.5155 GB, free: 25.45 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.622e-05/0.4146, allocations: 19.78 kB / 0.5155 GB, free: 25.45 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.858e-05/0.4147, allocations: 11.59 kB / 0.5156 GB, free: 25.45 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0007167/0.4154, allocations: 0.6804 MB / 0.5162 GB, free: 25.35 MB / 382.1 MB Notification: Performance of sort global known variables: time 6e-08/0.4154, allocations: 0 / 0.5162 GB, free: 25.35 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.0007256/0.4161, allocations: 244.3 kB / 0.5165 GB, free: 25.35 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 3 (inertia.w,loadTorque.phi,iceT.tokgFuel.y) * Number of discrete variables: 3 ($whenCondition1,trapezoid.T_start,trapezoid.count) * Number of discrete states: 1 (trapezoid.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (23): * Single equations (assignments): 20 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.002765/0.4189, allocations: 0.7616 MB / 0.5172 GB, free: 25.18 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.00157/0.4204, allocations: 0.8584 MB / 0.518 GB, free: 24.77 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 3.416e-06/0.4204, allocations: 0 / 0.518 GB, free: 24.77 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0004305/0.4209, allocations: 248 kB / 0.5183 GB, free: 24.66 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000514/0.4214, allocations: 91.98 kB / 0.5184 GB, free: 24.66 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001898/0.4233, allocations: 1.346 MB / 0.5197 GB, free: 24.1 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003429/0.4236, allocations: 345.2 kB / 0.52 GB, free: 24 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0002599/0.4239, allocations: 81.52 kB / 0.5201 GB, free: 23.98 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001156/0.424, allocations: 45.3 kB / 0.5201 GB, free: 23.98 MB / 382.1 MB Notification: Performance of SimCode: time 7.31e-07/0.424, allocations: 5.094 kB / 0.5201 GB, free: 23.97 MB / 382.1 MB Notification: Performance of Templates: time 0.01879/0.4428, allocations: 8.488 MB / 0.5284 GB, free: 22.62 MB / 382.1 MB " [Timeout remaining time 660] make -j1 -f EHPTlib_EHPTlib.MapBased.TestingModels.TestICE.TestIceT.makefile [Timeout 660] (rm -f EHPTlib_EHPTlib.MapBased.TestingModels.TestICE.TestIceT.pipe ; mkfifo EHPTlib_EHPTlib.MapBased.TestingModels.TestICE.TestIceT.pipe ; head -c 1048576 < EHPTlib_EHPTlib.MapBased.TestingModels.TestICE.TestIceT.pipe >> ../files/EHPTlib_EHPTlib.MapBased.TestingModels.TestICE.TestIceT.sim & ./EHPTlib_EHPTlib.MapBased.TestingModels.TestICE.TestIceT -abortSlowSimulation -alarm=480 -lv LOG_STATS > EHPTlib_EHPTlib.MapBased.TestingModels.TestICE.TestIceT.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 5.327234601601958] Failed to read output from testmodel.py, exit status != 0: 0.451621787622571 0.46785802499999996 0.32195768799999996 Calling exit ...