Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.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 0.001185/0.001185, allocations: 113.5 kB / 19.73 MB, free: 2.242 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 0.001615/0.001615, allocations: 220.4 kB / 23.05 MB, free: 5.074 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 1.352/1.352, allocations: 230.6 MB / 256.8 MB, free: 8.012 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 2.895/2.895, allocations: 0.49 GB / 0.7959 GB, free: 33.4 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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(Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate,fileNamePrefix="Buildings_12_Buildings_Fluid_HeatPumps_ModularReversible_Controls_Safety_Examples_MinimalFlowRate",fmuType="cs",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate,fileNamePrefix="Buildings_12_Buildings_Fluid_HeatPumps_ModularReversible_Controls_Safety_Examples_MinimalFlowRate",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings 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 0.00183/0.00183, allocations: 61.91 kB / 1.155 GB, free: 25.76 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2797/0.2816, allocations: 176.1 MB / 1.327 GB, free: 1.938 MB / 1.014 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate): time 0.003352/0.2849, allocations: 2.159 MB / 1.329 GB, free: 15.77 MB / 1.029 GB Notification: Performance of NFInst.instExpressions: time 0.001107/0.286, allocations: 0.6431 MB / 1.329 GB, free: 15.12 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001046/0.2861, allocations: 7.938 kB / 1.329 GB, free: 15.11 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.0001184/0.2863, allocations: 31.66 kB / 1.329 GB, free: 15.08 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.0001351/0.2864, allocations: 39.59 kB / 1.33 GB, free: 15.04 MB / 1.029 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002375/0.2866, allocations: 111.8 kB / 1.33 GB, free: 14.93 MB / 1.029 GB Notification: Performance of NFFlatten.flatten: time 0.0003452/0.287, allocations: 319.7 kB / 1.33 GB, free: 14.62 MB / 1.029 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00023/0.2872, allocations: 108.7 kB / 1.33 GB, free: 14.5 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001611/0.2874, allocations: 131.5 kB / 1.33 GB, free: 14.38 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001796/0.2875, allocations: 151.4 kB / 1.33 GB, free: 14.23 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 5.111e-05/0.2876, allocations: 32 kB / 1.33 GB, free: 14.2 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 4.331e-05/0.2876, allocations: 32 kB / 1.33 GB, free: 14.16 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 7.73e-05/0.2877, allocations: 71.8 kB / 1.33 GB, free: 14.09 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.0001406/0.2879, allocations: 139.2 kB / 1.331 GB, free: 13.96 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.0003717/0.2882, allocations: 342.6 kB / 1.331 GB, free: 13.62 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 2.915e-06/0.2882, allocations: 0 / 1.331 GB, free: 13.62 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.313e-06/0.2882, allocations: 0 / 1.331 GB, free: 13.62 MB / 1.029 GB Notification: Performance of Transformations before backend: time 5.951e-06/0.2882, allocations: 8 kB / 1.331 GB, free: 13.61 MB / 1.029 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 52 * Number of variables: 52 Notification: Performance of Generate backend data structure: time 0.001209/0.2894, allocations: 0.6317 MB / 1.332 GB, free: 12.93 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 3.349e-05/0.2895, allocations: 8.031 kB / 1.332 GB, free: 12.92 MB / 1.029 GB Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 4.306e-05/0.2895, allocations: 16.56 kB / 1.332 GB, free: 12.91 MB / 1.029 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.764e-05/0.2896, allocations: 59.22 kB / 1.332 GB, free: 12.84 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.847e-05/0.2897, allocations: 36.69 kB / 1.332 GB, free: 12.8 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003485/0.29, allocations: 215.7 kB / 1.332 GB, free: 12.57 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.805e-05/0.29, allocations: 24.62 kB / 1.332 GB, free: 12.54 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.11e-05/0.2901, allocations: 31.94 kB / 1.332 GB, free: 12.51 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006853/0.2908, allocations: 329.2 kB / 1.332 GB, free: 12.17 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.717e-06/0.2908, allocations: 0 / 1.332 GB, free: 12.17 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.645e-05/0.2908, allocations: 4 kB / 1.332 GB, free: 12.16 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.613e-06/0.2908, allocations: 8 kB / 1.332 GB, free: 12.16 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007046/0.2915, allocations: 229.8 kB / 1.332 GB, free: 11.93 MB / 1.029 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001286/0.2928, allocations: 0.6888 MB / 1.333 GB, free: 11.2 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006851/0.2935, allocations: 222.3 kB / 1.333 GB, free: 10.97 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003354/0.2938, allocations: 112.8 kB / 1.333 GB, free: 10.86 MB / 1.029 GB Notification: Performance of preOpt evalFunc (simulation): time 1.341e-05/0.2939, allocations: 0 / 1.333 GB, free: 10.86 MB / 1.029 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005225/0.2944, allocations: 223 kB / 1.334 GB, free: 10.63 MB / 1.029 GB Notification: Performance of pre-optimization done (n=25): time 1.503e-06/0.2944, allocations: 0 / 1.334 GB, free: 10.63 MB / 1.029 GB Notification: Performance of matching and sorting (n=27): time 0.001696/0.2961, allocations: 0.5549 MB / 1.334 GB, free: 10.07 MB / 1.029 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001074/0.2962, allocations: 166.4 kB / 1.334 GB, free: 9.875 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002241/0.2964, allocations: 228.5 kB / 1.335 GB, free: 9.645 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 4.689e-05/0.2964, allocations: 41.7 kB / 1.335 GB, free: 9.598 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001255/0.2966, allocations: 172.6 kB / 1.335 GB, free: 9.426 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 6.584e-05/0.2966, allocations: 75.41 kB / 1.335 GB, free: 9.352 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001242/0.2968, allocations: 77.69 kB / 1.335 GB, free: 9.27 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 0.0001524/0.2969, allocations: 342.8 kB / 1.335 GB, free: 8.926 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004007/0.2973, allocations: 132.3 kB / 1.335 GB, free: 8.797 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004566/0.2978, allocations: 214.5 kB / 1.336 GB, free: 8.559 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007257/0.2985, allocations: 343.3 kB / 1.336 GB, free: 8.188 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.412e-06/0.2985, allocations: 0 / 1.336 GB, free: 8.188 MB / 1.029 GB Notification: Performance of matching and sorting (n=45) (initialization): time 0.001009/0.2995, allocations: 475.9 kB / 1.336 GB, free: 7.699 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 7.07e-05/0.2996, allocations: 89.11 kB / 1.336 GB, free: 7.594 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.334e-06/0.2996, allocations: 7.938 kB / 1.336 GB, free: 7.586 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.571e-05/0.2996, allocations: 7.984 kB / 1.336 GB, free: 7.578 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002548/0.2999, allocations: 51.89 kB / 1.336 GB, free: 7.527 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.286e-06/0.2999, allocations: 4 kB / 1.336 GB, free: 7.523 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003606/0.3002, allocations: 63.94 kB / 1.337 GB, free: 7.461 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.1e-05/0.3003, allocations: 19.98 kB / 1.337 GB, free: 7.441 MB / 1.029 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 31 (minFloRatSaf.disErr.y,$PRE.minFloRatSaf.disErr.y,mEvaEmu_flow.count,$PRE.mEvaEmu_flow.count,mEvaEmu_flow.T_start,$PRE.mEvaEmu_flow.T_start,mConEmu_flow.count,$PRE.mConEmu_flow.count,mConEmu_flow.T_start,$PRE.mConEmu_flow.T_start,ySetPul.count,$PRE.ySetPul.count,ySetPul.T_start,$PRE.ySetPul.T_start,minFloRatSaf.hysEva.y,$PRE.minFloRatSaf.hysEva.y,minFloRatSaf.hysCon.y,$PRE.minFloRatSaf.hysCon.y,minFloRatSaf.errAndSetOn.y,minFloRatSaf.ySetOn.y,$PRE.minFloRatSaf.ySetOn.y,minFloRatSaf.booPasThr.y,hys.y,$PRE.hys.y,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,minFloRatSaf.intConOne.y,minFloRatSaf.disErr.local_set,minFloRatSaf.disErr.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (42): * Single equations (assignments): 39 * Array equations: 0 * Algorithm blocks: 3 * 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 0.0001688/0.3004, allocations: 153.8 kB / 1.337 GB, free: 7.285 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.378e-05/0.3005, allocations: 27.89 kB / 1.337 GB, free: 7.258 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 7.218e-05/0.3005, allocations: 38.52 kB / 1.337 GB, free: 7.219 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.298e-06/0.3005, allocations: 4 kB / 1.337 GB, free: 7.215 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.058e-06/0.3006, allocations: 0 / 1.337 GB, free: 7.215 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.029e-06/0.3006, allocations: 7.938 kB / 1.337 GB, free: 7.207 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001444/0.302, allocations: 0.7434 MB / 1.338 GB, free: 6.402 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.509e-06/0.302, allocations: 4 kB / 1.338 GB, free: 6.398 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001781/0.3022, allocations: 39.91 kB / 1.338 GB, free: 6.359 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.216e-06/0.3022, allocations: 0 / 1.338 GB, free: 6.359 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.392e-05/0.3022, allocations: 11.98 kB / 1.338 GB, free: 6.348 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.204e-06/0.3022, allocations: 0 / 1.338 GB, free: 6.348 MB / 1.029 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.313e-06/0.3022, allocations: 4 kB / 1.338 GB, free: 6.344 MB / 1.029 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008471/0.3031, allocations: 432.9 kB / 1.338 GB, free: 5.895 MB / 1.029 GB Notification: Performance of postOpt removeConstants (simulation): time 3.236e-05/0.3031, allocations: 23.8 kB / 1.338 GB, free: 5.871 MB / 1.029 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.047e-05/0.3031, allocations: 8 kB / 1.338 GB, free: 5.863 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003555/0.3035, allocations: 55.92 kB / 1.338 GB, free: 5.809 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001381/0.3036, allocations: 63.89 kB / 1.338 GB, free: 5.746 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.737e-05/0.3037, allocations: 15.98 kB / 1.338 GB, free: 5.73 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.0001414/0.3038, allocations: 156.5 kB / 1.338 GB, free: 5.578 MB / 1.029 GB Notification: Performance of sort global known variables: time 1e-07/0.3038, allocations: 0 / 1.338 GB, free: 5.578 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.0003247/0.3041, allocations: 60 kB / 1.338 GB, free: 5.52 MB / 1.029 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 17 (minFloRatSaf.errAndSetOn.y,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,hys.y,minFloRatSaf.disErr.y,minFloRatSaf.booPasThr.y,minFloRatSaf.ySetOn.y,minFloRatSaf.hysCon.y,minFloRatSaf.hysEva.y,ySetPul.T_start,ySetPul.count,mConEmu_flow.T_start,mConEmu_flow.count,mEvaEmu_flow.T_start,mEvaEmu_flow.count) * Number of discrete states: 8 (mEvaEmu_flow.count,mConEmu_flow.count,ySetPul.count,minFloRatSaf.hysEva.y,minFloRatSaf.hysCon.y,minFloRatSaf.ySetOn.y,hys.y,minFloRatSaf.disErr.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (27): * Single equations (assignments): 20 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 7 * 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 0.001566/0.3057, allocations: 1.1 MB / 1.339 GB, free: 4.383 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.0009454/0.3066, allocations: 461.9 kB / 1.34 GB, free: 3.895 MB / 1.029 GB Notification: Performance of simCode: created event and clocks part: time 1.064e-05/0.3067, allocations: 8.062 kB / 1.34 GB, free: 3.887 MB / 1.029 GB Notification: Performance of simCode: created simulation system equations: time 0.0004623/0.3071, allocations: 155.7 kB / 1.34 GB, free: 3.734 MB / 1.029 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003908/0.3075, allocations: 46.22 kB / 1.34 GB, free: 3.688 MB / 1.029 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004596/0.3121, allocations: 2.996 MB / 1.343 GB, free: 0.5391 MB / 1.029 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003813/0.3125, allocations: 0.7639 MB / 1.344 GB, free: 15.75 MB / 1.045 GB Notification: Performance of simCode: alias equations: time 0.0001152/0.3126, allocations: 22.28 kB / 1.344 GB, free: 15.73 MB / 1.045 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001734/0.3128, allocations: 99.33 kB / 1.344 GB, free: 15.63 MB / 1.045 GB Notification: Performance of SimCode: time 7.31e-07/0.3128, allocations: 4 kB / 1.344 GB, free: 15.62 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02739/0.3402, allocations: 7.074 MB / 1.351 GB, free: 8.754 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.64/10.98, allocations: 8.047 kB / 1.351 GB, free: 8.746 MB / 1.045 GB " [Timeout remaining time 289] (rm -f Buildings_12_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.pipe ; mkfifo Buildings_12_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.pipe >> ../files/Buildings_12_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate_res.mat --tempDir=temp_Buildings_12_Buildings_Fluid_HeatPumps_ModularReversible_Controls_Safety_Examples_MinimalFlowRate_fmu --startTime=0 --stopTime=100 --stepSize=1 --timeout=400 --tolerance=1e-08 Buildings_12_Buildings_Fluid_HeatPumps_ModularReversible_Controls_Safety_Examples_MinimalFlowRate.fmu > Buildings_12_Buildings.Fluid.HeatPumps.ModularReversible.Controls.Safety.Examples.MinimalFlowRate.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 17.044683070969768] Failed to read output from testmodel.py, exit status != 0: 11.143733649980277 11.159438252 10.868233512 Calling exit ...