Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Chemical_Chemical.Boundaries.Tests.TestExternalGas.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 0.001557/0.001557, allocations: 99.75 kB / 18.95 MB, free: 2.832 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 0.001745/0.001745, allocations: 216.8 kB / 22.25 MB, free: 5.105 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 1.369/1.369, allocations: 230.6 MB / 256 MB, free: 7.82 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/package.mo): time 0.1288/0.1288, allocations: 23.88 MB / 336.3 MB, free: 10.97 MB / 270.1 MB " [Timeout remaining time 180] Using package Chemical with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/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(Chemical.Boundaries.Tests.TestExternalGas,tolerance=1e-06,outputFormat="empty",numberOfIntervals=1000,variableFilter="",fileNamePrefix="Chemical_Chemical.Boundaries.Tests.TestExternalGas") translateModel(Chemical.Boundaries.Tests.TestExternalGas,tolerance=1e-06,outputFormat="empty",numberOfIntervals=1000,variableFilter="",fileNamePrefix="Chemical_Chemical.Boundaries.Tests.TestExternalGas") [Timeout 660] "Notification: Chemical 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 0.002015/0.002015, allocations: 63.91 kB / 471.6 MB, free: 7.035 MB / 334.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2685/0.2705, allocations: 59.86 MB / 0.519 GB, free: 9.789 MB / 382.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/Interfaces.mo:1564:5-1564:64:writable] Warning: An inner declaration for outer component system could not be found and was automatically generated. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/Interfaces.mo:1564:5-1564:64:writable] Notification: The diagnostics message for the missing inner is: Your model is using an outer \"system\" component but an inner \"system\" component is not defined. For simulation drag Modelica.Fluid.System into your model to specify system properties. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/Boundaries.mo:1343:7-1343:76:writable] Warning: An inner declaration for outer component dropOfCommons could not be found and was automatically generated. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 2.0.0/Boundaries.mo:1343:7-1343:76:writable] Notification: The diagnostics message for the missing inner is: Your model is using an outer \"dropOfCommons\" component but an inner \"dropOfCommons\" component is not defined. Use Chemical.DropOfCommons in your model to specify system properties. Notification: Performance of NFInst.instantiate(Chemical.Boundaries.Tests.TestExternalGas): time 0.08577/0.3563, allocations: 44.58 MB / 0.5625 GB, free: 12.43 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.162/0.5183, allocations: 128.6 MB / 0.6881 GB, free: 12.24 MB / 0.5294 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005526/0.5239, allocations: 87.62 kB / 0.6882 GB, free: 12.15 MB / 0.5294 GB Notification: Performance of NFTyping.typeComponents: time 0.006514/0.5304, allocations: 1.971 MB / 0.6901 GB, free: 10.17 MB / 0.5294 GB Notification: Performance of NFTyping.typeBindings: time 0.008667/0.539, allocations: 2.474 MB / 0.6925 GB, free: 7.676 MB / 0.5294 GB Notification: Performance of NFTyping.typeClassSections: time 0.005002/0.544, allocations: 1.698 MB / 0.6942 GB, free: 5.973 MB / 0.5294 GB Notification: Performance of NFFlatten.flatten: time 0.01115/0.5552, allocations: 6.978 MB / 0.701 GB, free: 14.97 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003139/0.5583, allocations: 1.765 MB / 0.7027 GB, free: 13.12 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003965/0.5623, allocations: 2.825 MB / 0.7055 GB, free: 10.28 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004838/0.5671, allocations: 3.364 MB / 0.7088 GB, free: 6.902 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 0.001645/0.5688, allocations: 0.7578 MB / 0.7095 GB, free: 6.145 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004421/0.5732, allocations: 1.694 MB / 0.7112 GB, free: 4.449 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.002486/0.5757, allocations: 2.309 MB / 0.7134 GB, free: 2.133 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.004989/0.5807, allocations: 3.299 MB / 0.7167 GB, free: 14.82 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.01505/0.5957, allocations: 11.7 MB / 0.7281 GB, free: 3.062 MB / 0.5606 GB Notification: Performance of FrontEnd - DAE generated: time 5.27e-06/0.5957, allocations: 0 / 0.7281 GB, free: 3.062 MB / 0.5606 GB Notification: Performance of FrontEnd: time 1.783e-06/0.5957, allocations: 0 / 0.7281 GB, free: 3.062 MB / 0.5606 GB Notification: Performance of Transformations before backend: time 0.0002171/0.596, allocations: 0 / 0.7281 GB, free: 3.062 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: 2356 * Number of variables: 2356 Notification: Performance of Generate backend data structure: time 0.3734/0.9693, allocations: 8.617 MB / 0.7365 GB, free: 182.4 MB / 0.5607 GB Notification: Performance of prepare preOptimizeDAE: time 3.781e-05/0.9694, allocations: 9.312 kB / 0.7365 GB, free: 182.4 MB / 0.5607 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004586/0.974, allocations: 1.593 MB / 0.7381 GB, free: 181.6 MB / 0.5607 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006932/0.9809, allocations: 3.546 MB / 0.7415 GB, free: 179.9 MB / 0.5607 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001288/0.9822, allocations: 1.301 MB / 0.7428 GB, free: 179.1 MB / 0.5607 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001381/0.9836, allocations: 0.734 MB / 0.7435 GB, free: 178.9 MB / 0.5607 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0287/1.012, allocations: 28.72 MB / 0.7716 GB, free: 161.5 MB / 0.5607 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001675/1.012, allocations: 15.86 kB / 0.7716 GB, free: 161.5 MB / 0.5607 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006627/1.013, allocations: 323.3 kB / 0.7719 GB, free: 161.2 MB / 0.5607 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008698/1.014, allocations: 1.207 MB / 0.7731 GB, free: 160 MB / 0.5607 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0327/1.047, allocations: 45.88 MB / 0.8179 GB, free: 114 MB / 0.5607 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.07214/1.119, allocations: 67 MB / 0.8833 GB, free: 46.72 MB / 0.5607 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01455/1.133, allocations: 12.2 MB / 0.8952 GB, free: 34.5 MB / 0.5607 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007966/1.141, allocations: 8.753 MB / 0.9038 GB, free: 25.73 MB / 0.5607 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00192/1.143, allocations: 0.6789 MB / 0.9044 GB, free: 25.06 MB / 0.5607 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.054e-05/1.143, allocations: 59.86 kB / 0.9045 GB, free: 24.99 MB / 0.5607 GB Notification: Performance of pre-optimization done (n=245): time 4.97e-06/1.143, allocations: 0 / 0.9045 GB, free: 24.99 MB / 0.5607 GB Notification: Performance of matching and sorting (n=324): time 0.3757/1.519, allocations: 70.17 MB / 0.973 GB, free: 196.8 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.01481/1.534, allocations: 8.293 MB / 0.9811 GB, free: 191.8 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004191/1.538, allocations: 3.578 MB / 0.9846 GB, free: 190.5 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.001204/1.539, allocations: 79.58 kB / 0.9847 GB, free: 190.5 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.001572/1.541, allocations: 3.963 MB / 0.9885 GB, free: 189.1 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.001393/1.542, allocations: 1.144 MB / 0.9897 GB, free: 188.2 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003358/1.546, allocations: 1.336 MB / 0.991 GB, free: 187.9 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 2.847e-05/1.546, allocations: 306.2 kB / 0.9913 GB, free: 187.6 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01222/1.558, allocations: 13.24 MB / 1.004 GB, free: 182 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01214/1.57, allocations: 13.98 MB / 1.018 GB, free: 171.2 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.2625/1.832, allocations: 60.93 MB / 1.077 GB, free: 110.6 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.987e-05/1.832, allocations: 10.62 kB / 1.077 GB, free: 110.6 MB / 0.5919 GB Notification: Performance of matching and sorting (n=442) (initialization): time 0.03018/1.863, allocations: 25.79 MB / 1.103 GB, free: 84.79 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 2.632e-05/1.863, allocations: 16 kB / 1.103 GB, free: 84.77 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.494e-05/1.863, allocations: 23.94 kB / 1.103 GB, free: 84.75 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02606/1.889, allocations: 5.376 MB / 1.108 GB, free: 79.37 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.04661/1.935, allocations: 4.284 MB / 1.112 GB, free: 75.13 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01547/1.951, allocations: 25.12 MB / 1.137 GB, free: 48.92 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006587/1.957, allocations: 255.8 kB / 1.137 GB, free: 48.67 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001216/1.959, allocations: 0.9746 MB / 1.138 GB, free: 47.7 MB / 0.5919 GB Warning: Assuming fixed start value for the following 8 variables: boundaryFore3.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear3.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear2.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryFore.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear4.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryFore2.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryRear1.fore.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real boundaryFore1.rear.n_flow:VARIABLE(flow=true unit = \"mol/s\" fixed = true ) \"Molar change of the substance\" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 95 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (402): * Single equations (assignments): 383 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 11 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 6 systems {1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 9 systems {(2,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(3,24), (2,1)} Notification: Performance of prepare postOptimizeDAE: time 0.003679/1.962, allocations: 1.918 MB / 1.14 GB, free: 45.79 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001708/1.964, allocations: 417.3 kB / 1.14 GB, free: 45.38 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02631/1.99, allocations: 16.68 MB / 1.156 GB, free: 28.61 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.01543/2.006, allocations: 10.56 MB / 1.167 GB, free: 18.04 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.925e-05/2.006, allocations: 4 kB / 1.167 GB, free: 18.04 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.617e-05/2.006, allocations: 22.62 kB / 1.167 GB, free: 18.02 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2373/2.243, allocations: 31.84 MB / 1.198 GB, free: 186.5 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.378e-05/2.243, allocations: 17.78 kB / 1.198 GB, free: 186.5 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.03098/2.274, allocations: 2.245 MB / 1.2 GB, free: 186.5 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02714/2.301, allocations: 4.308 MB / 1.204 GB, free: 185.5 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006778/2.302, allocations: 173.3 kB / 1.204 GB, free: 185.5 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02042/2.322, allocations: 25.61 MB / 1.229 GB, free: 162.8 MB / 0.5919 GB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.001179/2.324, allocations: 0.6203 MB / 1.23 GB, free: 162.3 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01856/2.342, allocations: 14.47 MB / 1.244 GB, free: 155.1 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001228/2.343, allocations: 482.4 kB / 1.245 GB, free: 155 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008476/2.344, allocations: 94.81 kB / 1.245 GB, free: 155 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002272/2.346, allocations: 96.92 kB / 1.245 GB, free: 154.9 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000841/2.347, allocations: 435.1 kB / 1.245 GB, free: 154.9 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003981/2.348, allocations: 313.8 kB / 1.245 GB, free: 154.8 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.005229/2.353, allocations: 5.515 MB / 1.251 GB, free: 152 MB / 0.5919 GB Notification: Performance of sort global known variables: time 1.11e-07/2.353, allocations: 0 / 1.251 GB, free: 152 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.004969/2.358, allocations: 1.992 MB / 1.253 GB, free: 150 MB / 0.5919 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 80 * Number of states: 10 ($STATESET1.x[2],$STATESET1.x[1],boundaryFore.rear.n_flow,boundaryRear2.fore.n_flow,boundaryRear3.fore.n_flow,boundaryFore3.rear.n_flow,boundaryRear4.fore.n_flow,boundaryRear1.fore.n_flow,boundaryFore2.rear.n_flow,boundaryFore1.rear.n_flow) * Number of discrete variables: 7 ($cse47,$cse43,$cse39,$cse35,$cse27,$cse19,$cse11) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (273): * Single equations (assignments): 256 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 11 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 6 systems {1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 9 systems {(1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (2,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(3,28), (5,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0007674/2.359, allocations: 482.1 kB / 1.253 GB, free: 149.7 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.03013/2.389, allocations: 17.49 MB / 1.27 GB, free: 133.6 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 1.983e-05/2.389, allocations: 0 / 1.27 GB, free: 133.6 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.01973/2.408, allocations: 5.498 MB / 1.276 GB, free: 128 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004537/2.413, allocations: 0.8744 MB / 1.276 GB, free: 127.3 MB / 0.5919 GB [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4734:9-4734:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:823:5-823:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed] " [Timeout remaining time 658] [Calling sys.exit(0), Time elapsed: 4.695892904885113] Failed to read output from testmodel.py, exit status != 0: 2.4213052950799465 2.429449048 1.831516781 Calling exit ...