Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.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 0.001393/0.001393, allocations: 96.42 kB / 20.45 MB, free: 1.262 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 0.001534/0.001534, allocations: 211.3 kB / 23.74 MB, free: 4.445 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 1.481/1.481, allocations: 230.6 MB / 257.5 MB, free: 7.785 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 0.9898/0.9898, allocations: 149.9 MB / 463.8 MB, free: 10.34 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: translateModel(IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger") translateModel(IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger") [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 0.002148/0.002148, allocations: 70.33 kB / 0.6423 GB, free: 9.621 MB / 478.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.214/0.2161, allocations: 89.17 MB / 0.7294 GB, free: 0.5156 MB / 0.545 GB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger): time 0.8227/1.039, allocations: 293.2 MB / 1.016 GB, free: 15.3 MB / 0.795 GB Notification: Performance of NFInst.instExpressions: time 0.04474/1.084, allocations: 27.76 MB / 1.043 GB, free: 3.477 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004926/1.088, allocations: 138.8 kB / 1.043 GB, free: 3.34 MB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.006519/1.095, allocations: 2.008 MB / 1.045 GB, free: 1.32 MB / 0.8106 GB Notification: Performance of NFTyping.typeBindings: time 0.0154/1.11, allocations: 5.205 MB / 1.05 GB, free: 12.1 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.01038/1.121, allocations: 3.689 MB / 1.054 GB, free: 8.434 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.01167/1.132, allocations: 6.95 MB / 1.06 GB, free: 1.461 MB / 0.8262 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004611/1.137, allocations: 2.298 MB / 1.063 GB, free: 15.11 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01541/1.152, allocations: 5.687 MB / 1.068 GB, free: 9.43 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005505/1.158, allocations: 2.398 MB / 1.071 GB, free: 7.035 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.0008931/1.159, allocations: 300 kB / 1.071 GB, free: 6.742 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00894/1.168, allocations: 3.974 MB / 1.075 GB, free: 2.758 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.001417/1.169, allocations: 1.098 MB / 1.076 GB, free: 1.656 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.002535/1.172, allocations: 1.435 MB / 1.077 GB, free: 216 kB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.01112/1.183, allocations: 5.715 MB / 1.083 GB, free: 10.48 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 5.671e-06/1.183, allocations: 0 / 1.083 GB, free: 10.48 MB / 0.8575 GB Notification: Performance of FrontEnd: time 1.894e-06/1.183, allocations: 0 / 1.083 GB, free: 10.48 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 0.0001075/1.183, allocations: 0 / 1.083 GB, free: 10.48 MB / 0.8575 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 536 * Number of variables: 536 Notification: Performance of Generate backend data structure: time 0.008289/1.191, allocations: 3.713 MB / 1.086 GB, free: 6.688 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 4.268e-05/1.191, allocations: 8.031 kB / 1.086 GB, free: 6.68 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009032/1.2, allocations: 1.2 MB / 1.088 GB, free: 5.477 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005425/1.206, allocations: 2.046 MB / 1.09 GB, free: 3.34 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001883/1.206, allocations: 180.1 kB / 1.09 GB, free: 3.16 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004072/1.206, allocations: 216 kB / 1.09 GB, free: 2.949 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.3808/1.587, allocations: 3.588 MB / 1.093 GB, free: 315.9 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.12e-05/1.587, allocations: 1.625 kB / 1.093 GB, free: 315.9 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003021/1.587, allocations: 87.73 kB / 1.093 GB, free: 315.9 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.804e-05/1.588, allocations: 90.89 kB / 1.094 GB, free: 315.9 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00675/1.594, allocations: 3.094 MB / 1.097 GB, free: 315.8 MB / 0.8575 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 0.02168/1.616, allocations: 8.357 MB / 1.105 GB, free: 314.2 MB / 0.8575 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004311/1.62, allocations: 1.614 MB / 1.106 GB, free: 313.7 MB / 0.8575 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001887/1.622, allocations: 0.7931 MB / 1.107 GB, free: 313.4 MB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000545/1.623, allocations: 88.7 kB / 1.107 GB, free: 313.4 MB / 0.8575 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.436e-05/1.623, allocations: 51.77 kB / 1.107 GB, free: 313.4 MB / 0.8575 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.002258/1.625, allocations: 370.3 kB / 1.108 GB, free: 313.3 MB / 0.8575 GB Notification: Performance of pre-optimization done (n=110): time 4.96e-06/1.625, allocations: 3.875 kB / 1.108 GB, free: 313.3 MB / 0.8575 GB Notification: Performance of matching and sorting (n=110): time 0.007379/1.632, allocations: 2.529 MB / 1.11 GB, free: 312.5 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.947e-05/1.632, allocations: 65.47 kB / 1.11 GB, free: 312.4 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004183/1.637, allocations: 2.078 MB / 1.112 GB, free: 311.6 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.000395/1.637, allocations: 57.55 kB / 1.112 GB, free: 311.6 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009816/1.638, allocations: 1.332 MB / 1.114 GB, free: 310.6 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.000393/1.638, allocations: 405.4 kB / 1.114 GB, free: 310.3 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007271/1.639, allocations: 415 kB / 1.114 GB, free: 310.1 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 6.09e-05/1.639, allocations: 301.8 kB / 1.115 GB, free: 309.8 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002645/1.642, allocations: 1.061 MB / 1.116 GB, free: 309.5 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00328/1.645, allocations: 2.491 MB / 1.118 GB, free: 307.4 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.004807/1.65, allocations: 2.348 MB / 1.12 GB, free: 306.2 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.316e-05/1.65, allocations: 4.094 kB / 1.12 GB, free: 306.2 MB / 0.8575 GB Notification: Performance of matching and sorting (n=210) (initialization): time 0.007271/1.657, allocations: 2.926 MB / 1.123 GB, free: 305.1 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 8.003e-05/1.657, allocations: 72.81 kB / 1.123 GB, free: 305.1 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.088e-05/1.657, allocations: 13.83 kB / 1.123 GB, free: 305.1 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.313e-05/1.657, allocations: 26.06 kB / 1.123 GB, free: 305.1 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003072/1.66, allocations: 0.5685 MB / 1.124 GB, free: 305 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009341/1.661, allocations: 2.393 MB / 1.126 GB, free: 302.6 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003497/1.665, allocations: 258.4 kB / 1.126 GB, free: 302.6 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003284/1.665, allocations: 115.4 kB / 1.127 GB, free: 302.6 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003502/1.669, allocations: 1.495 MB / 1.128 GB, free: 302 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003059/1.672, allocations: 2.486 MB / 1.13 GB, free: 299.9 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004701/1.677, allocations: 2.339 MB / 1.133 GB, free: 298.6 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.567e-05/1.677, allocations: 2.75 kB / 1.133 GB, free: 298.6 MB / 0.8575 GB Notification: Performance of matching and sorting (n=210) (initialization_lambda0): time 0.006954/1.683, allocations: 2.931 MB / 1.136 GB, free: 297.1 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 5.789e-05/1.684, allocations: 68.86 kB / 1.136 GB, free: 297 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.55e-05/1.684, allocations: 13.59 kB / 1.136 GB, free: 297 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.004e-05/1.684, allocations: 21.69 kB / 1.136 GB, free: 297 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002512/1.686, allocations: 0.5229 MB / 1.136 GB, free: 296.9 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.927e-05/1.686, allocations: 29.09 kB / 1.136 GB, free: 296.9 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003421/1.69, allocations: 280 kB / 1.137 GB, free: 296.8 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002715/1.69, allocations: 104.3 kB / 1.137 GB, free: 296.7 MB / 0.8575 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 59 * Number of states: 0 () * Number of discrete variables: 4 (masExcRev.i2_w,masExcRev.i1_w,masExcFor.i2_w,masExcFor.i1_w) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (208): * Single equations (assignments): 202 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 0 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0007044/1.691, allocations: 297.1 kB / 1.137 GB, free: 296.5 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008106/1.691, allocations: 233.6 kB / 1.137 GB, free: 296.3 MB / 0.8575 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004707/1.696, allocations: 1.972 MB / 1.139 GB, free: 295.2 MB / 0.8575 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.04e-05/1.696, allocations: 11.91 kB / 1.139 GB, free: 295.2 MB / 0.8575 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.235e-06/1.696, allocations: 0 / 1.139 GB, free: 295.2 MB / 0.8575 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.067e-05/1.696, allocations: 7.922 kB / 1.139 GB, free: 295.2 MB / 0.8575 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.008625/1.705, allocations: 4.065 MB / 1.143 GB, free: 292.8 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.131e-05/1.705, allocations: 7.641 kB / 1.143 GB, free: 292.8 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001667/1.706, allocations: 300.9 kB / 1.143 GB, free: 292.7 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.99e-05/1.706, allocations: 11.59 kB / 1.143 GB, free: 292.7 MB / 0.8575 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001065/1.707, allocations: 32.45 kB / 1.143 GB, free: 292.7 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007324/1.707, allocations: 2.365 MB / 1.146 GB, free: 290.3 MB / 0.8575 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.616e-06/1.707, allocations: 12.62 kB / 1.146 GB, free: 290.3 MB / 0.8575 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003825/1.711, allocations: 2.007 MB / 1.148 GB, free: 289.1 MB / 0.8575 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001231/1.712, allocations: 431.4 kB / 1.148 GB, free: 288.8 MB / 0.8575 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003957/1.713, allocations: 28.66 kB / 1.148 GB, free: 288.8 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002144/1.715, allocations: 160.2 kB / 1.148 GB, free: 288.7 MB / 0.8575 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001407/1.715, allocations: 87.81 kB / 1.148 GB, free: 288.7 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001422/1.715, allocations: 60.58 kB / 1.148 GB, free: 288.6 MB / 0.8575 GB Notification: Performance of sorting global known variables: time 0.002026/1.717, allocations: 1.402 MB / 1.15 GB, free: 287.5 MB / 0.8575 GB Notification: Performance of sort global known variables: time 8e-08/1.717, allocations: 2.516 kB / 1.15 GB, free: 287.5 MB / 0.8575 GB Notification: Performance of remove unused functions: time 0.00321/1.72, allocations: 1.388 MB / 1.151 GB, free: 286.1 MB / 0.8575 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 25 * 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 simulation (110): * Single equations (assignments): 106 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 0 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0006894/1.721, allocations: 367.8 kB / 1.151 GB, free: 285.8 MB / 0.8575 GB Notification: Performance of simCode: created initialization part: time 0.007765/1.729, allocations: 3.688 MB / 1.155 GB, free: 282.1 MB / 0.8575 GB Notification: Performance of simCode: created event and clocks part: time 1.874e-05/1.729, allocations: 4 kB / 1.155 GB, free: 282.1 MB / 0.8575 GB Notification: Performance of simCode: created simulation system equations: time 0.001754/1.731, allocations: 0.8086 MB / 1.156 GB, free: 281.2 MB / 0.8575 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004045/1.735, allocations: 0.817 MB / 1.157 GB, free: 280.5 MB / 0.8575 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006855/1.742, allocations: 4.425 MB / 1.161 GB, free: 276 MB / 0.8575 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008564/1.742, allocations: 1.119 MB / 1.162 GB, free: 274.8 MB / 0.8575 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00103/1.743, allocations: 216.3 kB / 1.162 GB, free: 274.6 MB / 0.8575 GB Notification: Performance of SimCode: time 9.72e-07/1.743, allocations: 0 / 1.162 GB, free: 274.6 MB / 0.8575 GB Notification: Performance of Templates: time 0.07151/1.815, allocations: 84.52 MB / 1.245 GB, free: 190.3 MB / 0.8575 GB " [Timeout remaining time 658] make -j1 -f IBPSA_latest_IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.sim & ./IBPSA_latest_IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Interfaces.Examples.ReverseFlowMassExchanger.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 15.235470186918974] Failed to read output from testmodel.py, exit status != 0: 1.8255797270685434 1.833911393 0.648511043 Calling exit ...