Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection.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 0.0007654/0.0007654, allocations: 99.75 kB / 19.7 MB, free: 448 kB / 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 0.0009712/0.0009712, allocations: 211.4 kB / 22.99 MB, free: 2.98 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 0.8517/0.8517, allocations: 230.6 MB / 256.8 MB, free: 9.605 MB / 202.7 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 0.5623/0.5623, allocations: 150.1 MB / 463.3 MB, free: 14.11 MB / 362.7 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.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection,fileNamePrefix="IBPSA_latest_IBPSA_BoundaryConditions_WeatherData_Validation_ReaderTMY3WindDirection",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection,fileNamePrefix="IBPSA_latest_IBPSA_BoundaryConditions_WeatherData_Validation_ReaderTMY3WindDirection",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: IBPSA 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 0.0008134/0.0008134, allocations: 74.62 kB / 0.6415 GB, free: 19.58 MB / 474.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1206/0.1215, allocations: 89.23 MB / 0.7286 GB, free: 10.33 MB / 0.5417 GB Notification: Performance of NFInst.instantiate(IBPSA.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection): time 0.004081/0.1255, allocations: 4.17 MB / 0.7327 GB, free: 6.133 MB / 0.5417 GB Notification: Performance of NFInst.instExpressions: time 0.3798/0.5053, allocations: 132.7 MB / 0.8622 GB, free: 288 kB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005928/0.5059, allocations: 24.19 kB / 0.8623 GB, free: 276 kB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.0004394/0.5063, allocations: 181.6 kB / 0.8624 GB, free: 180 kB / 0.6198 GB Notification: Performance of NFTyping.typeBindings: time 0.001087/0.5074, allocations: 0.5322 MB / 0.8629 GB, free: 24 kB / 0.6198 GB Notification: Performance of NFTyping.typeClassSections: time 0.001206/0.5086, allocations: 0.7912 MB / 0.8637 GB, free: 15.96 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.0009907/0.5096, allocations: 1.317 MB / 0.865 GB, free: 15.76 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0004502/0.5101, allocations: 339.7 kB / 0.8653 GB, free: 15.69 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0004697/0.5105, allocations: 457.3 kB / 0.8658 GB, free: 15.61 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003821/0.5109, allocations: 434.5 kB / 0.8662 GB, free: 15.45 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0001162/0.511, allocations: 108.2 kB / 0.8663 GB, free: 15.45 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0006412/0.5117, allocations: 448.5 kB / 0.8667 GB, free: 15.36 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.000186/0.5119, allocations: 286.3 kB / 0.867 GB, free: 15.19 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.0002435/0.5121, allocations: 415.2 kB / 0.8674 GB, free: 14.95 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.001175/0.5133, allocations: 1.553 MB / 0.8689 GB, free: 14.36 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 4.409e-06/0.5133, allocations: 0 / 0.8689 GB, free: 14.36 MB / 0.6355 GB Notification: Performance of FrontEnd: time 1.463e-06/0.5133, allocations: 6.531 kB / 0.8689 GB, free: 14.36 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 1.319e-05/0.5133, allocations: 0 / 0.8689 GB, free: 14.36 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: 179 * Number of variables: 179 Notification: Performance of Generate backend data structure: time 0.001571/0.5149, allocations: 1.335 MB / 0.8702 GB, free: 13.48 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 3.826e-05/0.5149, allocations: 8.031 kB / 0.8702 GB, free: 13.48 MB / 0.6355 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.62e-05/0.515, allocations: 118.5 kB / 0.8703 GB, free: 13.4 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000613/0.5156, allocations: 197.5 kB / 0.8705 GB, free: 13.33 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007804/0.5164, allocations: 0.6959 MB / 0.8712 GB, free: 12.91 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.514e-05/0.5164, allocations: 55.47 kB / 0.8713 GB, free: 12.89 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.605e-05/0.5165, allocations: 76.47 kB / 0.8713 GB, free: 12.86 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001016/0.5175, allocations: 1.078 MB / 0.8724 GB, free: 12.16 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.307e-05/0.5175, allocations: 0 / 0.8724 GB, free: 12.16 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.477e-05/0.5176, allocations: 31.33 kB / 0.8724 GB, free: 12.14 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.35e-05/0.5176, allocations: 19.84 kB / 0.8724 GB, free: 12.14 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009758/0.5186, allocations: 1.015 MB / 0.8734 GB, free: 11.9 MB / 0.6355 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002167/0.5207, allocations: 2.098 MB / 0.8755 GB, free: 10.68 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008917/0.5216, allocations: 0.7822 MB / 0.8762 GB, free: 10.36 MB / 0.6355 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000323/0.5219, allocations: 296.5 kB / 0.8765 GB, free: 10.25 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 4.562e-05/0.522, allocations: 25.78 kB / 0.8765 GB, free: 10.24 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005439/0.5225, allocations: 0.5776 MB / 0.8771 GB, free: 9.941 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=83): time 1.954e-06/0.5225, allocations: 3.938 kB / 0.8771 GB, free: 9.938 MB / 0.6355 GB Notification: Performance of matching and sorting (n=83): time 0.001209/0.5237, allocations: 1.024 MB / 0.8781 GB, free: 9.441 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.212e-05/0.5238, allocations: 221.2 kB / 0.8783 GB, free: 9.188 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004835/0.5243, allocations: 0.6293 MB / 0.8789 GB, free: 8.816 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 4.954e-05/0.5244, allocations: 47.45 kB / 0.879 GB, free: 8.77 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001911/0.5246, allocations: 361.5 kB / 0.8793 GB, free: 8.453 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 0.000138/0.5247, allocations: 276.6 kB / 0.8796 GB, free: 8.223 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001348/0.5248, allocations: 150.2 kB / 0.8797 GB, free: 8.133 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 0.0001295/0.525, allocations: 397.3 kB / 0.8801 GB, free: 7.754 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003396/0.5253, allocations: 267.8 kB / 0.8804 GB, free: 7.621 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004102/0.5257, allocations: 0.4905 MB / 0.8808 GB, free: 7.242 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006435/0.5263, allocations: 0.6019 MB / 0.8814 GB, free: 6.926 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.176e-06/0.5263, allocations: 0 / 0.8814 GB, free: 6.926 MB / 0.6355 GB Notification: Performance of matching and sorting (n=94) (initialization): time 0.0008641/0.5272, allocations: 0.7865 MB / 0.8822 GB, free: 6.527 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 1.521e-05/0.5272, allocations: 2.781 kB / 0.8822 GB, free: 6.527 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.993e-06/0.5272, allocations: 2.344 kB / 0.8822 GB, free: 6.527 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.731e-05/0.5273, allocations: 6.906 kB / 0.8822 GB, free: 6.523 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003689/0.5276, allocations: 158.5 kB / 0.8824 GB, free: 6.48 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.875e-06/0.5276, allocations: 4.938 kB / 0.8824 GB, free: 6.48 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003095/0.5279, allocations: 96.67 kB / 0.8825 GB, free: 6.418 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.3e-05/0.528, allocations: 30.58 kB / 0.8825 GB, free: 6.406 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3 * Number of states: 0 () * Number of discrete variables: 25 (weaDatInpCon.decAng.k,$PRE.weaDatInpCon.decAng.k,weaDatInpCon.decAng.tNext,$PRE.weaDatInpCon.decAng.tNext,weaDatInpCon.eqnTim.k,$PRE.weaDatInpCon.eqnTim.k,weaDatInpCon.eqnTim.tNext,$PRE.weaDatInpCon.eqnTim.tNext,weaDatInpCon.conTim.k,$PRE.weaDatInpCon.conTim.k,weaDatInpCon.conTim.tNext,$PRE.weaDatInpCon.conTim.tNext,weaDatInpCon.conTimMin.k,$PRE.weaDatInpCon.conTimMin.k,weaDatInpCon.conTimMin.tNext,$PRE.weaDatInpCon.conTimMin.tNext,weaDatInpCon.locTim.k,$PRE.weaDatInpCon.locTim.k,weaDatInpCon.locTim.tNext,$PRE.weaDatInpCon.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (94): * Single equations (assignments): 94 * 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 0.0002497/0.5282, allocations: 270 kB / 0.8827 GB, free: 6.195 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.476e-05/0.5283, allocations: 83.77 kB / 0.8828 GB, free: 6.152 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001118/0.5294, allocations: 0.9995 MB / 0.8838 GB, free: 5.609 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.861e-06/0.5294, allocations: 8.031 kB / 0.8838 GB, free: 5.609 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.029e-06/0.5294, allocations: 5.406 kB / 0.8838 GB, free: 5.609 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.665e-06/0.5294, allocations: 7.969 kB / 0.8838 GB, free: 5.602 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001737/0.5312, allocations: 1.832 MB / 0.8856 GB, free: 4.418 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.975e-06/0.5312, allocations: 0 / 0.8856 GB, free: 4.418 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002865/0.5315, allocations: 143.6 kB / 0.8857 GB, free: 4.387 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.521e-06/0.5315, allocations: 5.281 kB / 0.8857 GB, free: 4.387 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.535e-05/0.5315, allocations: 30.12 kB / 0.8858 GB, free: 4.363 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.547e-06/0.5315, allocations: 5.188 kB / 0.8858 GB, free: 4.363 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.385e-06/0.5315, allocations: 8 kB / 0.8858 GB, free: 4.355 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008983/0.5324, allocations: 0.9554 MB / 0.8867 GB, free: 3.816 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002464/0.5327, allocations: 199.4 kB / 0.8869 GB, free: 3.668 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.039e-05/0.5327, allocations: 21.78 kB / 0.8869 GB, free: 3.652 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003029/0.533, allocations: 74.38 kB / 0.887 GB, free: 3.613 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.619e-05/0.5331, allocations: 71.72 kB / 0.8871 GB, free: 3.57 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.341e-05/0.5332, allocations: 37.38 kB / 0.8871 GB, free: 3.555 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0003503/0.5335, allocations: 451.2 kB / 0.8875 GB, free: 3.301 MB / 0.6355 GB Notification: Performance of sort global known variables: time 7e-08/0.5335, allocations: 0 / 0.8875 GB, free: 3.301 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.0005649/0.5341, allocations: 293.1 kB / 0.8878 GB, free: 3.215 MB / 0.6355 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 0 () * Number of discrete variables: 15 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDatInpCon.locTim.tNext,weaDatInpCon.locTim.k,weaDatInpCon.conTimMin.tNext,weaDatInpCon.conTimMin.k,weaDatInpCon.conTim.tNext,weaDatInpCon.conTim.k,weaDatInpCon.eqnTim.tNext,weaDatInpCon.eqnTim.k,weaDatInpCon.decAng.tNext,weaDatInpCon.decAng.k) * Number of discrete states: 10 (weaDatInpCon.conTim.tNext,weaDatInpCon.eqnTim.tNext,weaDatInpCon.locTim.tNext,weaDatInpCon.decAng.tNext,weaDatInpCon.conTimMin.tNext,weaDatInpCon.decAng.k,weaDatInpCon.eqnTim.k,weaDatInpCon.conTim.k,weaDatInpCon.conTimMin.k,weaDatInpCon.locTim.k) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (94): * Single equations (assignments): 84 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * 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 0.00203/0.5361, allocations: 2.053 MB / 0.8898 GB, free: 1.961 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.0008358/0.5369, allocations: 0.6633 MB / 0.8905 GB, free: 1.668 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 2.585e-06/0.5369, allocations: 0 / 0.8905 GB, free: 1.668 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 0.0003734/0.5373, allocations: 367.3 kB / 0.8908 GB, free: 1.512 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006918/0.538, allocations: 277 kB / 0.8911 GB, free: 1.375 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005711/0.5437, allocations: 6.115 MB / 0.8971 GB, free: 13.59 MB / 0.6511 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002425/0.544, allocations: 401 kB / 0.8974 GB, free: 13.35 MB / 0.6511 GB Notification: Performance of simCode: alias equations: time 0.0004885/0.5444, allocations: 266.6 kB / 0.8977 GB, free: 13.22 MB / 0.6511 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003284/0.5448, allocations: 355.4 kB / 0.898 GB, free: 12.94 MB / 0.6511 GB Notification: Performance of SimCode: time 1.062e-06/0.5448, allocations: 2.75 kB / 0.898 GB, free: 12.94 MB / 0.6511 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.031/0.5758, allocations: 21.86 MB / 0.9194 GB, free: 10.41 MB / 0.6667 GB Notification: Performance of buildModelFMU: Generate platform static: time 6.523/7.099, allocations: 4 kB / 0.9194 GB, free: 10.4 MB / 0.6667 GB " [Timeout remaining time 653] (rm -f IBPSA_latest_IBPSA.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection.pipe ; mkfifo IBPSA_latest_IBPSA.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection.pipe >> ../files/IBPSA_latest_IBPSA.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IBPSA_latest_IBPSA_BoundaryConditions_WeatherData_Validation_ReaderTMY3WindDirection_fmu --startTime=0 --stopTime=8.64e+06 --stepSize=3456 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_BoundaryConditions_WeatherData_Validation_ReaderTMY3WindDirection.fmu > IBPSA_latest_IBPSA.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 9.578977402765304] Failed to read output from testmodel.py, exit status != 0: 7.234674335923046 7.24386904 6.728556466 Calling exit ...