Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.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 0.001417/0.001417, allocations: 119.2 kB / 19.7 MB, free: 2.188 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 0.001447/0.001447, allocations: 221.6 kB / 23.01 MB, free: 5 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 1.461/1.461, allocations: 230.6 MB / 256.8 MB, free: 7.992 MB / 206.1 MB " [Timeout remaining time 178] 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 0.9941/0.9941, allocations: 150 MB / 463.2 MB, free: 10.49 MB / 366.1 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.SolarGeometry.Examples.IncidenceAngle,fileNamePrefix="IBPSA_latest_IBPSA_BoundaryConditions_SolarGeometry_Examples_IncidenceAngle",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle,fileNamePrefix="IBPSA_latest_IBPSA_BoundaryConditions_SolarGeometry_Examples_IncidenceAngle",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 0.002049/0.002049, allocations: 66.83 kB / 0.6412 GB, free: 10.41 MB / 478.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1845/0.1865, allocations: 89.17 MB / 0.7283 GB, free: 1.309 MB / 0.545 GB Notification: Performance of NFInst.instantiate(IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle): time 0.009352/0.1959, allocations: 7.02 MB / 0.7352 GB, free: 10.25 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.6047/0.8006, allocations: 154.8 MB / 0.8864 GB, free: 5.426 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001209/0.8018, allocations: 23.81 kB / 0.8864 GB, free: 5.402 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.0008638/0.8027, allocations: 271.8 kB / 0.8866 GB, free: 5.137 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.00253/0.8052, allocations: 0.8251 MB / 0.8874 GB, free: 4.328 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.002793/0.808, allocations: 1.023 MB / 0.8884 GB, free: 3.34 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.002953/0.8109, allocations: 2.157 MB / 0.8905 GB, free: 1.176 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001177/0.8121, allocations: 0.7106 MB / 0.8912 GB, free: 424 kB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001431/0.8136, allocations: 0.8798 MB / 0.8921 GB, free: 15.53 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001371/0.8149, allocations: 0.9142 MB / 0.893 GB, free: 14.61 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0003023/0.8152, allocations: 216 kB / 0.8932 GB, free: 14.4 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001207/0.8164, allocations: 0.605 MB / 0.8938 GB, free: 13.8 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.0004607/0.8169, allocations: 490.4 kB / 0.8943 GB, free: 13.32 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.00105/0.8179, allocations: 0.9563 MB / 0.8952 GB, free: 12.36 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.003622/0.8216, allocations: 2.633 MB / 0.8978 GB, free: 9.719 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.661e-06/0.8216, allocations: 0 / 0.8978 GB, free: 9.719 MB / 0.67 GB Notification: Performance of FrontEnd: time 2.254e-06/0.8216, allocations: 0 / 0.8978 GB, free: 9.719 MB / 0.67 GB Notification: Performance of Transformations before backend: time 5.569e-05/0.8216, allocations: 0 / 0.8978 GB, free: 9.719 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 392 * Number of variables: 392 Notification: Performance of Generate backend data structure: time 0.004601/0.8262, allocations: 2.065 MB / 0.8998 GB, free: 7.602 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.397e-05/0.8263, allocations: 15.97 kB / 0.8998 GB, free: 7.586 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002734/0.8265, allocations: 220.1 kB / 0.9 GB, free: 7.359 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00385/0.8304, allocations: 464.3 kB / 0.9004 GB, free: 6.906 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002166/0.8326, allocations: 0.9496 MB / 0.9014 GB, free: 5.93 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001329/0.8327, allocations: 115 kB / 0.9015 GB, free: 5.816 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002261/0.8329, allocations: 163.9 kB / 0.9016 GB, free: 5.656 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003023/0.8359, allocations: 1.58 MB / 0.9032 GB, free: 4.02 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.029e-05/0.836, allocations: 0 / 0.9032 GB, free: 4.02 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001353/0.8361, allocations: 64 kB / 0.9032 GB, free: 3.957 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.461e-05/0.8361, allocations: 36 kB / 0.9033 GB, free: 3.922 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002931/0.8391, allocations: 1.631 MB / 0.9049 GB, free: 2.285 MB / 0.67 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.008753/0.8478, allocations: 4.732 MB / 0.9095 GB, free: 13.31 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002331/0.8502, allocations: 1.12 MB / 0.9106 GB, free: 12.19 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008487/0.851, allocations: 433.9 kB / 0.911 GB, free: 11.77 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001259/0.8511, allocations: 49.06 kB / 0.9111 GB, free: 11.72 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001572/0.8527, allocations: 0.783 MB / 0.9118 GB, free: 10.92 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=128): time 4.409e-06/0.8527, allocations: 0 / 0.9118 GB, free: 10.92 MB / 0.6856 GB Notification: Performance of matching and sorting (n=128): time 0.005085/0.8578, allocations: 1.775 MB / 0.9135 GB, free: 9.137 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001563/0.858, allocations: 197.2 kB / 0.9137 GB, free: 8.902 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001541/0.8595, allocations: 0.89 MB / 0.9146 GB, free: 7.988 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0001736/0.8597, allocations: 53.7 kB / 0.9147 GB, free: 7.93 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006798/0.8603, allocations: 0.6302 MB / 0.9153 GB, free: 7.289 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005225/0.8609, allocations: 424.4 kB / 0.9157 GB, free: 6.871 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004343/0.8613, allocations: 250.8 kB / 0.9159 GB, free: 6.617 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0002122/0.8615, allocations: 341.9 kB / 0.9162 GB, free: 6.277 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009225/0.8624, allocations: 434.4 kB / 0.9167 GB, free: 5.855 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001025/0.8635, allocations: 0.5643 MB / 0.9172 GB, free: 5.266 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001854/0.8653, allocations: 0.9545 MB / 0.9181 GB, free: 4.301 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.733e-06/0.8653, allocations: 4 kB / 0.9181 GB, free: 4.297 MB / 0.6856 GB Notification: Performance of matching and sorting (n=151) (initialization): time 0.003057/0.8684, allocations: 1.305 MB / 0.9194 GB, free: 2.98 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 2.769e-05/0.8684, allocations: 7.984 kB / 0.9194 GB, free: 2.973 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.308e-05/0.8684, allocations: 4 kB / 0.9194 GB, free: 2.969 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006339/0.8691, allocations: 80.81 kB / 0.9195 GB, free: 2.887 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001114/0.8702, allocations: 255.6 kB / 0.9198 GB, free: 2.637 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002354/0.8725, allocations: 1.549 MB / 0.9213 GB, free: 0.9688 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001222/0.8737, allocations: 139.2 kB / 0.9214 GB, free: 0.832 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001056/0.8739, allocations: 59.53 kB / 0.9215 GB, free: 0.7773 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 30 (incAngEas.decAng.tNext,$PRE.incAngEas.decAng.tNext,incAngSou.decAng.tNext,$PRE.incAngSou.decAng.tNext,incAngWes.decAng.tNext,$PRE.incAngWes.decAng.tNext,incAngNor.decAng.tNext,$PRE.incAngNor.decAng.tNext,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,$PRE.weaDat.locTim.tNext,incAngHor.decAng.tNext,$PRE.incAngHor.decAng.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (149): * Single equations (assignments): 148 * 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 0.0007268/0.8746, allocations: 354.1 kB / 0.9218 GB, free: 436 kB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002954/0.8749, allocations: 131.2 kB / 0.9219 GB, free: 304 kB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003856/0.8787, allocations: 1.703 MB / 0.9236 GB, free: 14.59 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.208e-05/0.8787, allocations: 20 kB / 0.9236 GB, free: 14.57 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.497e-06/0.8787, allocations: 0 / 0.9236 GB, free: 14.57 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.526e-05/0.8788, allocations: 7.969 kB / 0.9236 GB, free: 14.56 MB / 0.7012 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001932/0.8807, allocations: 1.396 MB / 0.925 GB, free: 13.12 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.39e-06/0.8807, allocations: 0 / 0.925 GB, free: 13.12 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009575/0.8817, allocations: 215.7 kB / 0.9252 GB, free: 12.91 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004721/0.8821, allocations: 72.78 kB / 0.9252 GB, free: 12.83 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.284e-05/0.8822, allocations: 35.97 kB / 0.9253 GB, free: 12.8 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002129/0.8843, allocations: 1.579 MB / 0.9268 GB, free: 11.1 MB / 0.7012 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.747e-06/0.8843, allocations: 3.938 kB / 0.9268 GB, free: 11.09 MB / 0.7012 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003132/0.8875, allocations: 1.415 MB / 0.9282 GB, free: 9.66 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006986/0.8882, allocations: 298.6 kB / 0.9285 GB, free: 9.367 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001995/0.8884, allocations: 43.88 kB / 0.9285 GB, free: 9.324 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00096/0.8893, allocations: 92.81 kB / 0.9286 GB, free: 9.234 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002271/0.8896, allocations: 117.1 kB / 0.9287 GB, free: 9.117 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001128/0.8897, allocations: 51.97 kB / 0.9288 GB, free: 9.066 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.0009906/0.8907, allocations: 0.6665 MB / 0.9294 GB, free: 8.391 MB / 0.7012 GB Notification: Performance of sort global known variables: time 8e-08/0.8907, allocations: 0 / 0.9294 GB, free: 8.391 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.001225/0.8919, allocations: 490.8 kB / 0.9299 GB, free: 7.91 MB / 0.7012 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 20 ($whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,incAngHor.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,incAngNor.decAng.tNext,incAngWes.decAng.tNext,incAngSou.decAng.tNext,incAngEas.decAng.tNext) * Number of discrete states: 10 (incAngHor.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,incAngNor.decAng.tNext,incAngWes.decAng.tNext,incAngSou.decAng.tNext,incAngEas.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (144): * Single equations (assignments): 133 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * 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 0.005213/0.8971, allocations: 2.505 MB / 0.9323 GB, free: 5.598 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.002529/0.8996, allocations: 1.193 MB / 0.9335 GB, free: 4.391 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 4.729e-06/0.8996, allocations: 0 / 0.9335 GB, free: 4.391 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.001304/0.9009, allocations: 0.6893 MB / 0.9342 GB, free: 3.691 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001493/0.9024, allocations: 346.5 kB / 0.9345 GB, free: 3.375 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01675/0.9192, allocations: 9.4 MB / 0.9437 GB, free: 9.824 MB / 0.7169 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001118/0.9203, allocations: 1.252 MB / 0.9449 GB, free: 8.539 MB / 0.7169 GB Notification: Performance of simCode: alias equations: time 0.001179/0.9215, allocations: 334.3 kB / 0.9452 GB, free: 8.207 MB / 0.7169 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009948/0.9225, allocations: 0.632 MB / 0.9459 GB, free: 7.574 MB / 0.7169 GB Notification: Performance of SimCode: time 1.082e-06/0.9225, allocations: 0 / 0.9459 GB, free: 7.574 MB / 0.7169 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08531/1.008, allocations: 32.52 MB / 0.9776 GB, free: 7.297 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.33/16.34, allocations: 3.938 kB / 0.9776 GB, free: 7.293 MB / 0.7481 GB " [Timeout remaining time 643] (rm -f IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe ; mkfifo IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe >> ../files/IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle_res.csv --start-time 0 --stop-time 86400 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 34.56 IBPSA_latest_IBPSA_BoundaryConditions_SolarGeometry_Examples_IncidenceAngle.fmu > IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 20.422623615999328] Failed to read output from testmodel.py, exit status != 0: 16.591568937001284 16.612827844 15.787635872 Calling exit ...