Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Controls.Continuous.Examples.LimPID.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001385/0.001385, allocations: 103.8 kB / 17.07 MB, free: 6.012 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001372/0.001372, allocations: 194.2 kB / 20.03 MB, free: 3.082 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.484/1.484, allocations: 222.9 MB / 245.7 MB, free: 4.215 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 1.203/1.203, allocations: 173.4 MB / 471.3 MB, free: 6.887 MB / 366.1 MB " [Timeout remaining time 179] Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(IDEAS.Controls.Continuous.Examples.LimPID,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Controls.Continuous.Examples.LimPID") translateModel(IDEAS.Controls.Continuous.Examples.LimPID,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Controls.Continuous.Examples.LimPID") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.001997/0.001997, allocations: 64.66 kB / 0.6489 GB, free: 22.82 MB / 0.4981 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.231/0.233, allocations: 89.53 MB / 0.7364 GB, free: 3.68 MB / 0.545 GB Notification: Performance of NFInst.instantiate(IDEAS.Controls.Continuous.Examples.LimPID): time 0.005553/0.2386, allocations: 3.704 MB / 0.74 GB, free: 15.95 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.002705/0.2413, allocations: 1.328 MB / 0.7413 GB, free: 14.62 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003659/0.2417, allocations: 23.88 kB / 0.7413 GB, free: 14.59 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.0003524/0.2421, allocations: 126.6 kB / 0.7414 GB, free: 14.47 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.0005406/0.2426, allocations: 174.5 kB / 0.7416 GB, free: 14.3 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.001168/0.2438, allocations: 0.5773 MB / 0.7422 GB, free: 13.73 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.00108/0.2449, allocations: 0.9643 MB / 0.7431 GB, free: 12.76 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005907/0.2455, allocations: 349.6 kB / 0.7434 GB, free: 12.4 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0004587/0.246, allocations: 366.3 kB / 0.7438 GB, free: 12.04 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0004051/0.2464, allocations: 350.1 kB / 0.7441 GB, free: 11.7 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 0.0001284/0.2465, allocations: 80 kB / 0.7442 GB, free: 11.62 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001221/0.2466, allocations: 80 kB / 0.7443 GB, free: 11.54 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 0.0001814/0.2468, allocations: 179.3 kB / 0.7444 GB, free: 11.37 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.0003516/0.2472, allocations: 377.7 kB / 0.7448 GB, free: 11 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.001007/0.2482, allocations: 0.8905 MB / 0.7457 GB, free: 10.1 MB / 0.5606 GB Notification: Performance of FrontEnd - DAE generated: time 5.05e-06/0.2482, allocations: 0 / 0.7457 GB, free: 10.1 MB / 0.5606 GB Notification: Performance of FrontEnd: time 1.443e-06/0.2482, allocations: 0 / 0.7457 GB, free: 10.1 MB / 0.5606 GB Notification: Performance of Transformations before backend: time 1.018e-05/0.2482, allocations: 0 / 0.7457 GB, free: 10.1 MB / 0.5606 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 126 * Number of variables: 126 Notification: Performance of Generate backend data structure: time 0.002205/0.2505, allocations: 1.214 MB / 0.7469 GB, free: 8.828 MB / 0.5606 GB Notification: Performance of prepare preOptimizeDAE: time 4.299e-05/0.2505, allocations: 12.03 kB / 0.7469 GB, free: 8.816 MB / 0.5606 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001672/0.2507, allocations: 96.33 kB / 0.747 GB, free: 8.723 MB / 0.5606 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001103/0.2518, allocations: 0.6266 MB / 0.7476 GB, free: 8.055 MB / 0.5606 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001336/0.2519, allocations: 101 kB / 0.7477 GB, free: 7.945 MB / 0.5606 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.477e-05/0.252, allocations: 56.38 kB / 0.7477 GB, free: 7.891 MB / 0.5606 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00116/0.2532, allocations: 0.6119 MB / 0.7483 GB, free: 7.238 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.882e-05/0.2532, allocations: 4 kB / 0.7483 GB, free: 7.234 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.627e-05/0.2533, allocations: 20 kB / 0.7483 GB, free: 7.215 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.554e-05/0.2533, allocations: 12 kB / 0.7484 GB, free: 7.203 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001027/0.2543, allocations: 427.6 kB / 0.7488 GB, free: 6.781 MB / 0.5606 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002905/0.2572, allocations: 2.095 MB / 0.7508 GB, free: 4.605 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001296/0.2586, allocations: 0.4963 MB / 0.7513 GB, free: 4.098 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004718/0.259, allocations: 220.8 kB / 0.7515 GB, free: 3.879 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 4.842e-05/0.2591, allocations: 7.984 kB / 0.7515 GB, free: 3.871 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006692/0.2598, allocations: 278.2 kB / 0.7518 GB, free: 3.586 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=45): time 2.395e-06/0.2598, allocations: 0 / 0.7518 GB, free: 3.586 MB / 0.5606 GB Notification: Performance of matching and sorting (n=45): time 0.001503/0.2613, allocations: 0.618 MB / 0.7524 GB, free: 2.961 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.964e-05/0.2614, allocations: 88.86 kB / 0.7525 GB, free: 2.855 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007803/0.2622, allocations: 0.6138 MB / 0.7531 GB, free: 2.23 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 5.253e-05/0.2622, allocations: 37.7 kB / 0.7531 GB, free: 2.188 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003159/0.2626, allocations: 357.3 kB / 0.7534 GB, free: 1.832 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001386/0.2627, allocations: 166.6 kB / 0.7536 GB, free: 1.668 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001649/0.2629, allocations: 90.2 kB / 0.7537 GB, free: 1.574 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.000174/0.2631, allocations: 334 kB / 0.754 GB, free: 1.242 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004718/0.2635, allocations: 179 kB / 0.7542 GB, free: 1.062 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005322/0.2641, allocations: 285.3 kB / 0.7545 GB, free: 0.75 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009604/0.265, allocations: 473.9 kB / 0.7549 GB, free: 252 kB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.729e-06/0.2651, allocations: 3.938 kB / 0.7549 GB, free: 248 kB / 0.5606 GB Notification: Performance of matching and sorting (n=64) (initialization): time 0.001257/0.2663, allocations: 0.6026 MB / 0.7555 GB, free: 15.62 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.279e-05/0.2664, allocations: 33.7 kB / 0.7555 GB, free: 15.59 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.065e-05/0.2664, allocations: 7.984 kB / 0.7555 GB, free: 15.58 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.182e-05/0.2664, allocations: 4 kB / 0.7555 GB, free: 15.57 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004745/0.2669, allocations: 107.8 kB / 0.7556 GB, free: 15.47 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.661e-05/0.2669, allocations: 8.25 kB / 0.7557 GB, free: 15.46 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003794/0.2673, allocations: 75.53 kB / 0.7557 GB, free: 15.39 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.274e-05/0.2674, allocations: 20 kB / 0.7557 GB, free: 15.37 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005766/0.2679, allocations: 301.2 kB / 0.756 GB, free: 15.07 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004795/0.2684, allocations: 264.3 kB / 0.7563 GB, free: 14.77 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008729/0.2693, allocations: 461.9 kB / 0.7567 GB, free: 14.29 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.067e-06/0.2693, allocations: 4 kB / 0.7567 GB, free: 14.28 MB / 0.5762 GB Notification: Performance of matching and sorting (n=64) (initialization_lambda0): time 0.001112/0.2704, allocations: 0.5716 MB / 0.7573 GB, free: 13.7 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.311e-05/0.2705, allocations: 41.69 kB / 0.7573 GB, free: 13.65 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.865e-06/0.2705, allocations: 3.938 kB / 0.7573 GB, free: 13.64 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.005e-06/0.2705, allocations: 8 kB / 0.7573 GB, free: 13.64 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004272/0.271, allocations: 95.89 kB / 0.7574 GB, free: 13.54 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.928e-06/0.271, allocations: 11.92 kB / 0.7574 GB, free: 13.53 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003836/0.2714, allocations: 51.72 kB / 0.7575 GB, free: 13.48 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.406e-05/0.2714, allocations: 16 kB / 0.7575 GB, free: 13.46 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 8 (pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1,limPIDOri.I.local_reset,limPIDRev.I.trigger_internal,limPID.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (63): * Single equations (assignments): 62 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0002016/0.2716, allocations: 212.1 kB / 0.7577 GB, free: 13.25 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001146/0.2717, allocations: 87.47 kB / 0.7578 GB, free: 13.16 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001674/0.2719, allocations: 79.22 kB / 0.7579 GB, free: 13.09 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.197e-06/0.2719, allocations: 4 kB / 0.7579 GB, free: 13.08 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.161e-05/0.2719, allocations: 3.938 kB / 0.7579 GB, free: 13.08 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.516e-06/0.272, allocations: 3.984 kB / 0.7579 GB, free: 13.07 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0007361/0.2727, allocations: 0.618 MB / 0.7585 GB, free: 12.41 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.703e-06/0.2727, allocations: 0 / 0.7585 GB, free: 12.41 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004561/0.2732, allocations: 91.88 kB / 0.7586 GB, free: 12.32 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.695e-06/0.2732, allocations: 0 / 0.7586 GB, free: 12.32 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.336e-05/0.2732, allocations: 8 kB / 0.7586 GB, free: 12.31 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.144e-06/0.2732, allocations: 0 / 0.7586 GB, free: 12.31 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.946e-06/0.2732, allocations: 7.938 kB / 0.7586 GB, free: 12.3 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001549/0.2748, allocations: 0.733 MB / 0.7593 GB, free: 11.55 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002344/0.275, allocations: 192.5 kB / 0.7595 GB, free: 11.34 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.426e-05/0.2751, allocations: 12 kB / 0.7595 GB, free: 11.33 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003924/0.2755, allocations: 35.95 kB / 0.7595 GB, free: 11.3 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001083/0.2756, allocations: 35.95 kB / 0.7596 GB, free: 11.26 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.817e-05/0.2757, allocations: 12 kB / 0.7596 GB, free: 11.25 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.0005304/0.2762, allocations: 438.9 kB / 0.76 GB, free: 10.82 MB / 0.5762 GB Notification: Performance of sort global known variables: time 1.2e-07/0.2762, allocations: 0 / 0.76 GB, free: 10.82 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.0005897/0.2768, allocations: 215.5 kB / 0.7602 GB, free: 10.61 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 6 (limPID.I.y,limPID.D.x,limPIDRev.I.y,limPIDRev.D.x,limPIDOri.I.y,limPIDOri.D.x) * Number of discrete variables: 3 ($whenCondition1,pulse.T_start,pulse.count) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (45): * Single equations (assignments): 43 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 0.0001717/0.277, allocations: 115.2 kB / 0.7603 GB, free: 10.49 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.001626/0.2786, allocations: 0.7816 MB / 0.7611 GB, free: 9.688 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 2.695e-06/0.2786, allocations: 3.938 kB / 0.7611 GB, free: 9.684 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.0004725/0.2791, allocations: 215.8 kB / 0.7613 GB, free: 9.473 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008896/0.28, allocations: 207.3 kB / 0.7615 GB, free: 9.277 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002146/0.2822, allocations: 1.246 MB / 0.7627 GB, free: 7.992 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005392/0.2827, allocations: 0.9102 MB / 0.7636 GB, free: 7.051 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001756/0.2829, allocations: 51.42 kB / 0.7636 GB, free: 7 MB / 0.5762 GB Notification: Performance of SimCode: time 4.11e-07/0.2829, allocations: 4 kB / 0.7636 GB, free: 6.996 MB / 0.5762 GB Notification: Performance of Templates: time 0.01354/0.2965, allocations: 8.717 MB / 0.7721 GB, free: 14.33 MB / 0.5919 GB " [Timeout remaining time 660] make -j1 -f IDEAS_dev_IDEAS.Controls.Continuous.Examples.LimPID.makefile [Timeout 660] (rm -f IDEAS_dev_IDEAS.Controls.Continuous.Examples.LimPID.pipe ; mkfifo IDEAS_dev_IDEAS.Controls.Continuous.Examples.LimPID.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Controls.Continuous.Examples.LimPID.pipe >> ../files/IDEAS_dev_IDEAS.Controls.Continuous.Examples.LimPID.sim & ./IDEAS_dev_IDEAS.Controls.Continuous.Examples.LimPID -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Controls.Continuous.Examples.LimPID.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 9.9592912979424] Failed to read output from testmodel.py, exit status != 0: 0.3037080089561641 0.31663942 0.065919762 Calling exit ...