Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarAzimuth.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 0.0008818/0.0008818, allocations: 109.9 kB / 18.93 MB, free: 1.27 MB / 13.93 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 0.0009094/0.0009094, allocations: 217.7 kB / 22.26 MB, free: 3.699 MB / 13.93 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 1.012/1.012, allocations: 230.6 MB / 256 MB, free: 9.828 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-531:190:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-531:198:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo): time 0.8271/0.8271, allocations: 203.8 MB / 0.5042 GB, free: 10.76 MB / 410.7 MB " [Timeout remaining time 179] Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 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(IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarAzimuth,fileNamePrefix="IDEAS_dev_IDEAS_BoundaryConditions_SolarGeometry_BaseClasses_Examples_SolarAzimuth",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarAzimuth,fileNamePrefix="IDEAS_dev_IDEAS_BoundaryConditions_SolarGeometry_BaseClasses_Examples_SolarAzimuth",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: IDEAS 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 0.0009536/0.0009536, allocations: 65.3 kB / 0.7182 GB, free: 4.406 MB / 0.5261 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5122/0.5132, allocations: 102 MB / 0.8179 GB, free: 1.285 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarAzimuth): time 0.005141/0.5183, allocations: 5.121 MB / 0.8229 GB, free: 13.65 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.1435/0.6619, allocations: 154.3 MB / 0.9735 GB, free: 6.113 MB / 0.7448 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009135/0.6628, allocations: 23.81 kB / 0.9735 GB, free: 6.09 MB / 0.7448 GB Notification: Performance of NFTyping.typeComponents: time 0.0005659/0.6633, allocations: 202.1 kB / 0.9737 GB, free: 5.891 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.001531/0.6649, allocations: 0.5775 MB / 0.9743 GB, free: 5.312 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.001719/0.6666, allocations: 0.9387 MB / 0.9752 GB, free: 4.383 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.001326/0.6679, allocations: 1.491 MB / 0.9767 GB, free: 2.883 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000537/0.6685, allocations: 433.9 kB / 0.9771 GB, free: 2.438 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0004626/0.6689, allocations: 0.5412 MB / 0.9776 GB, free: 1.895 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004569/0.6694, allocations: 0.5546 MB / 0.9781 GB, free: 1.34 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.000119/0.6695, allocations: 124 kB / 0.9783 GB, free: 1.219 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0007891/0.6703, allocations: 0.5387 MB / 0.9788 GB, free: 0.6797 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 0.0002232/0.6705, allocations: 326.9 kB / 0.9791 GB, free: 368 kB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 0.0003684/0.6709, allocations: 0.5947 MB / 0.9797 GB, free: 15.76 MB / 0.7605 GB Notification: Performance of NFConvertDAE.convert: time 0.001404/0.6723, allocations: 1.777 MB / 0.9814 GB, free: 13.98 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 4.689e-06/0.6723, allocations: 0 / 0.9814 GB, free: 13.98 MB / 0.7605 GB Notification: Performance of FrontEnd: time 2.024e-06/0.6723, allocations: 0 / 0.9814 GB, free: 13.98 MB / 0.7605 GB Notification: Performance of Transformations before backend: time 1.223e-05/0.6723, allocations: 0 / 0.9814 GB, free: 13.98 MB / 0.7605 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 226 * Number of variables: 226 Notification: Performance of Generate backend data structure: time 0.001612/0.6739, allocations: 1.491 MB / 0.9829 GB, free: 12.45 MB / 0.7605 GB Notification: Performance of prepare preOptimizeDAE: time 4.349e-05/0.674, allocations: 12.02 kB / 0.9829 GB, free: 12.44 MB / 0.7605 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001167/0.6741, allocations: 139.8 kB / 0.983 GB, free: 12.29 MB / 0.7605 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001265/0.6753, allocations: 271.9 kB / 0.9833 GB, free: 12.03 MB / 0.7605 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008361/0.6762, allocations: 0.7335 MB / 0.984 GB, free: 11.27 MB / 0.7605 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.116e-05/0.6762, allocations: 70 kB / 0.9841 GB, free: 11.2 MB / 0.7605 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.148e-05/0.6763, allocations: 84 kB / 0.9841 GB, free: 11.11 MB / 0.7605 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001019/0.6773, allocations: 0.9769 MB / 0.9851 GB, free: 10.1 MB / 0.7605 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.594e-05/0.6773, allocations: 0 / 0.9851 GB, free: 10.1 MB / 0.7605 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.735e-05/0.6774, allocations: 40 kB / 0.9851 GB, free: 10.06 MB / 0.7605 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.447e-05/0.6774, allocations: 23.98 kB / 0.9851 GB, free: 10.04 MB / 0.7605 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001155/0.6785, allocations: 1.159 MB / 0.9863 GB, free: 8.871 MB / 0.7605 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002688/0.6812, allocations: 2.897 MB / 0.9891 GB, free: 5.848 MB / 0.7605 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001266/0.6825, allocations: 0.8516 MB / 0.9899 GB, free: 4.992 MB / 0.7605 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005506/0.683, allocations: 298.7 kB / 0.9902 GB, free: 4.695 MB / 0.7605 GB Notification: Performance of preOpt evalFunc (simulation): time 5.357e-05/0.6831, allocations: 34.73 kB / 0.9903 GB, free: 4.664 MB / 0.7605 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005701/0.6837, allocations: 0.5314 MB / 0.9908 GB, free: 4.113 MB / 0.7605 GB Notification: Performance of pre-optimization done (n=88): time 1.733e-06/0.6837, allocations: 0 / 0.9908 GB, free: 4.113 MB / 0.7605 GB Notification: Performance of matching and sorting (n=88): time 0.001857/0.6855, allocations: 1.235 MB / 0.992 GB, free: 2.875 MB / 0.7605 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.132e-05/0.6856, allocations: 188.9 kB / 0.9922 GB, free: 2.645 MB / 0.7605 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0005401/0.6861, allocations: 0.6881 MB / 0.9928 GB, free: 1.949 MB / 0.7605 GB Notification: Performance of collectPreVariables (initialization): time 4.58e-05/0.6862, allocations: 41.7 kB / 0.9929 GB, free: 1.902 MB / 0.7605 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002178/0.6864, allocations: 413.2 kB / 0.9933 GB, free: 1.492 MB / 0.7605 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001473/0.6866, allocations: 301.4 kB / 0.9936 GB, free: 1.195 MB / 0.7605 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001473/0.6867, allocations: 162.6 kB / 0.9937 GB, free: 1.031 MB / 0.7605 GB Notification: Performance of setup shared object (initialization): time 0.0001132/0.6868, allocations: 394.8 kB / 0.9941 GB, free: 0.6367 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003312/0.6871, allocations: 269.8 kB / 0.9943 GB, free: 384 kB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004074/0.6876, allocations: 382.5 kB / 0.9947 GB, free: 15.97 MB / 0.7761 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007259/0.6883, allocations: 0.632 MB / 0.9953 GB, free: 15.33 MB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.775e-06/0.6883, allocations: 0 / 0.9953 GB, free: 15.33 MB / 0.7761 GB Notification: Performance of matching and sorting (n=98) (initialization): time 0.001137/0.6894, allocations: 0.8764 MB / 0.9962 GB, free: 14.44 MB / 0.7761 GB Notification: Performance of prepare postOptimizeDAE: time 1.398e-05/0.6894, allocations: 8 kB / 0.9962 GB, free: 14.43 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.92e-06/0.6894, allocations: 0 / 0.9962 GB, free: 14.43 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002859/0.6897, allocations: 84.83 kB / 0.9963 GB, free: 14.35 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003499/0.6901, allocations: 163.8 kB / 0.9964 GB, free: 14.19 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001465/0.6915, allocations: 1.539 MB / 0.9979 GB, free: 12.53 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003393/0.6919, allocations: 107.6 kB / 0.998 GB, free: 12.42 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.111e-05/0.6919, allocations: 35.97 kB / 0.9981 GB, free: 12.39 MB / 0.7761 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 19 (solAzi.outsidePolarCircle,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,decAng.tNext,$PRE.decAng.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (96): * Single equations (assignments): 95 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.000254/0.6922, allocations: 268.5 kB / 0.9983 GB, free: 12.12 MB / 0.7761 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001069/0.6923, allocations: 99.33 kB / 0.9984 GB, free: 12.02 MB / 0.7761 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001513/0.6938, allocations: 1.195 MB / 0.9996 GB, free: 10.81 MB / 0.7761 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.693e-06/0.6938, allocations: 15.98 kB / 0.9996 GB, free: 10.79 MB / 0.7761 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.577e-06/0.6938, allocations: 4 kB / 0.9996 GB, free: 10.79 MB / 0.7761 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.456e-06/0.6938, allocations: 3.984 kB / 0.9996 GB, free: 10.79 MB / 0.7761 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002135/0.6959, allocations: 2.086 MB / 1.002 GB, free: 8.645 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.955e-06/0.6959, allocations: 0 / 1.002 GB, free: 8.645 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003362/0.6963, allocations: 167.7 kB / 1.002 GB, free: 8.48 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002021/0.6965, allocations: 72.78 kB / 1.002 GB, free: 8.406 MB / 0.7761 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.904e-05/0.6965, allocations: 35.97 kB / 1.002 GB, free: 8.371 MB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001144/0.6977, allocations: 1.551 MB / 1.003 GB, free: 6.703 MB / 0.7761 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.82e-07/0.6977, allocations: 0 / 1.003 GB, free: 6.703 MB / 0.7761 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001629/0.6993, allocations: 1.104 MB / 1.005 GB, free: 5.578 MB / 0.7761 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002787/0.6996, allocations: 227 kB / 1.005 GB, free: 5.355 MB / 0.7761 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.868e-05/0.6996, allocations: 20 kB / 1.005 GB, free: 5.336 MB / 0.7761 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003388/0.7, allocations: 70.45 kB / 1.005 GB, free: 5.27 MB / 0.7761 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001194/0.7001, allocations: 88.78 kB / 1.005 GB, free: 5.184 MB / 0.7761 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.712e-05/0.7002, allocations: 43.97 kB / 1.005 GB, free: 5.141 MB / 0.7761 GB Notification: Performance of sorting global known variables: time 0.0004094/0.7006, allocations: 491 kB / 1.005 GB, free: 4.668 MB / 0.7761 GB Notification: Performance of sort global known variables: time 6e-08/0.7006, allocations: 0 / 1.005 GB, free: 4.668 MB / 0.7761 GB Notification: Performance of remove unused functions: time 0.000708/0.7013, allocations: 351.1 kB / 1.006 GB, free: 4.324 MB / 0.7761 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 12 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext) * Number of discrete states: 6 (decAng.tNext,weaDat.locTim.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (106): * Single equations (assignments): 99 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 6 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002592/0.7039, allocations: 2.175 MB / 1.008 GB, free: 2.332 MB / 0.7761 GB Notification: Performance of simCode: created initialization part: time 0.001169/0.705, allocations: 0.8351 MB / 1.009 GB, free: 1.484 MB / 0.7761 GB Notification: Performance of simCode: created event and clocks part: time 2.435e-06/0.705, allocations: 192 / 1.009 GB, free: 1.484 MB / 0.7761 GB Notification: Performance of simCode: created simulation system equations: time 0.0005852/0.7056, allocations: 0.5314 MB / 1.009 GB, free: 0.9414 MB / 0.7761 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007441/0.7064, allocations: 308.9 kB / 1.009 GB, free: 0.6602 MB / 0.7761 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007844/0.7142, allocations: 6.66 MB / 1.016 GB, free: 9.852 MB / 0.7917 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004528/0.7147, allocations: 1.048 MB / 1.017 GB, free: 8.773 MB / 0.7917 GB Notification: Performance of simCode: alias equations: time 0.0005723/0.7152, allocations: 278.6 kB / 1.017 GB, free: 8.5 MB / 0.7917 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004181/0.7157, allocations: 419.2 kB / 1.018 GB, free: 8.09 MB / 0.7917 GB Notification: Performance of SimCode: time 1.172e-06/0.7157, allocations: 4 kB / 1.018 GB, free: 8.086 MB / 0.7917 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0368/0.7525, allocations: 23.93 MB / 1.041 GB, free: 336 kB / 0.8073 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.891/9.643, allocations: 13.7 kB / 1.041 GB, free: 324 kB / 0.8073 GB " [Timeout remaining time 650] (rm -f IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarAzimuth.pipe ; mkfifo IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarAzimuth.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarAzimuth.pipe >> ../files/IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarAzimuth.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_dev_IDEAS_BoundaryConditions_SolarGeometry_BaseClasses_Examples_SolarAzimuth_fmu --startTime=0 --stopTime=864000 --stepSize=345.6 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_BoundaryConditions_SolarGeometry_BaseClasses_Examples_SolarAzimuth.fmu > IDEAS_dev_IDEAS.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarAzimuth.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 12.810437060892582] Failed to read output from testmodel.py, exit status != 0: 9.7922024410218 9.800131951 9.126156828 Calling exit ...