Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.0.0_Modelica.Electrical.Digital.Examples.FlipFlop.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 0.001459/0.001459, allocations: 101.5 kB / 21.21 MB, free: 0.6523 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 0.001559/0.001559, allocations: 184.4 kB / 24.49 MB, free: 3.961 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 1.387/1.387, allocations: 225.7 MB / 253.3 MB, free: 12.86 MB / 206.1 MB " [Timeout remaining time 178] 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: "" <> buildModelFMU(Modelica.Electrical.Digital.Examples.FlipFlop,fileNamePrefix="Modelica_4_0_0_Modelica_Electrical_Digital_Examples_FlipFlop",fmuType="cs",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Electrical.Digital.Examples.FlipFlop,fileNamePrefix="Modelica_4_0_0_Modelica_Electrical_Digital_Examples_FlipFlop",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.001452/0.001452, allocations: 47.91 kB / 371.2 MB, free: 9.703 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2439/0.2453, allocations: 52.18 MB / 423.3 MB, free: 14.4 MB / 334.1 MB Notification: Performance of NFInst.instantiate(Modelica.Electrical.Digital.Examples.FlipFlop): time 0.00333/0.2487, allocations: 1.983 MB / 425.3 MB, free: 12.41 MB / 334.1 MB Notification: Performance of NFInst.instExpressions: time 0.002461/0.2511, allocations: 1.064 MB / 426.4 MB, free: 11.34 MB / 334.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001255/0.2512, allocations: 11.94 kB / 426.4 MB, free: 11.33 MB / 334.1 MB Notification: Performance of NFTyping.typeComponents: time 0.000212/0.2515, allocations: 47.56 kB / 426.5 MB, free: 11.28 MB / 334.1 MB Notification: Performance of NFTyping.typeBindings: time 0.000129/0.2516, allocations: 47.59 kB / 426.5 MB, free: 11.23 MB / 334.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0005879/0.2522, allocations: 179.7 kB / 426.7 MB, free: 11.06 MB / 334.1 MB Notification: Performance of NFFlatten.flatten: time 0.0005629/0.2527, allocations: 471.6 kB / 427.1 MB, free: 10.6 MB / 334.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0002587/0.253, allocations: 124.2 kB / 427.3 MB, free: 10.48 MB / 334.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0009476/0.2539, allocations: 0.8421 MB / 428.1 MB, free: 9.633 MB / 334.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003809/0.2543, allocations: 267 kB / 428.4 MB, free: 9.371 MB / 334.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001211/0.2544, allocations: 44 kB / 428.4 MB, free: 9.328 MB / 334.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001096/0.2546, allocations: 44 kB / 428.4 MB, free: 9.285 MB / 334.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0002288/0.2548, allocations: 155.5 kB / 428.6 MB, free: 9.133 MB / 334.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002429/0.255, allocations: 175 kB / 428.8 MB, free: 8.961 MB / 334.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0008717/0.2559, allocations: 0.9303 MB / 429.7 MB, free: 8.027 MB / 334.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.909e-06/0.2559, allocations: 0 / 429.7 MB, free: 8.027 MB / 334.1 MB Notification: Performance of FrontEnd: time 1.644e-06/0.2559, allocations: 0 / 429.7 MB, free: 8.027 MB / 334.1 MB Notification: Performance of Transformations before backend: time 7.714e-06/0.2559, allocations: 0 / 429.7 MB, free: 8.027 MB / 334.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 81 * Number of variables: 81 Notification: Performance of Generate backend data structure: time 0.001246/0.2572, allocations: 0.8006 MB / 430.5 MB, free: 7.184 MB / 334.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.292e-05/0.2572, allocations: 8.031 kB / 430.5 MB, free: 7.176 MB / 334.1 MB Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 2.172e-05/0.2572, allocations: 8.844 kB / 430.5 MB, free: 7.164 MB / 334.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001058/0.2573, allocations: 74.72 kB / 430.6 MB, free: 7.082 MB / 334.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001203/0.2574, allocations: 52.61 kB / 430.6 MB, free: 7.031 MB / 334.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004705/0.2579, allocations: 289.3 kB / 430.9 MB, free: 6.723 MB / 334.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.555e-05/0.258, allocations: 28.97 kB / 431 MB, free: 6.695 MB / 334.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 9.643e-05/0.258, allocations: 32.38 kB / 431 MB, free: 6.664 MB / 334.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009415/0.259, allocations: 0.5362 MB / 431.5 MB, free: 6.113 MB / 334.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.664e-05/0.259, allocations: 3.984 kB / 431.5 MB, free: 6.109 MB / 334.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.861e-05/0.2591, allocations: 16 kB / 431.5 MB, free: 6.094 MB / 334.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.297e-05/0.2591, allocations: 8 kB / 431.5 MB, free: 6.086 MB / 334.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007857/0.2599, allocations: 433.8 kB / 432 MB, free: 5.648 MB / 334.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001827/0.2617, allocations: 0.996 MB / 433 MB, free: 4.605 MB / 334.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001108/0.2628, allocations: 478.9 kB / 433.4 MB, free: 4.117 MB / 334.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003841/0.2632, allocations: 224.7 kB / 433.7 MB, free: 3.883 MB / 334.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.844e-05/0.2632, allocations: 288 / 433.7 MB, free: 3.883 MB / 334.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006897/0.2639, allocations: 403.3 kB / 434 MB, free: 3.465 MB / 334.1 MB Notification: Performance of pre-optimization done (n=35): time 2.165e-06/0.2639, allocations: 4 kB / 434.1 MB, free: 3.461 MB / 334.1 MB Notification: Performance of matching and sorting (n=35): time 0.001568/0.2655, allocations: 0.8312 MB / 434.9 MB, free: 2.586 MB / 334.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 9.129e-05/0.2656, allocations: 114.8 kB / 435 MB, free: 2.449 MB / 334.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003389/0.2659, allocations: 309.7 kB / 435.3 MB, free: 2.141 MB / 334.1 MB Notification: Performance of collectPreVariables (initialization): time 6.729e-05/0.266, allocations: 37.7 kB / 435.3 MB, free: 2.098 MB / 334.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001505/0.2662, allocations: 181 kB / 435.5 MB, free: 1.918 MB / 334.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001152/0.2663, allocations: 87.33 kB / 435.6 MB, free: 1.832 MB / 334.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002926/0.2666, allocations: 182 kB / 435.8 MB, free: 1.648 MB / 334.1 MB Notification: Performance of setup shared object (initialization): time 0.0001753/0.2667, allocations: 342.8 kB / 436.1 MB, free: 1.305 MB / 334.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004204/0.2672, allocations: 244.2 kB / 436.3 MB, free: 1.055 MB / 334.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004513/0.2676, allocations: 284 kB / 436.6 MB, free: 0.7461 MB / 334.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008623/0.2685, allocations: 0.5184 MB / 437.1 MB, free: 192 kB / 334.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.575e-06/0.2685, allocations: 0 / 437.1 MB, free: 192 kB / 334.1 MB Notification: Performance of matching and sorting (n=48) (initialization): time 0.001184/0.2697, allocations: 0.7016 MB / 437.8 MB, free: 15.46 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 5.462e-05/0.2697, allocations: 67.44 kB / 437.9 MB, free: 15.38 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.322e-06/0.2697, allocations: 0 / 437.9 MB, free: 15.38 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.589e-05/0.2697, allocations: 4 kB / 437.9 MB, free: 15.38 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001508/0.2699, allocations: 55.91 kB / 438 MB, free: 15.32 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.174e-05/0.2699, allocations: 7.984 kB / 438 MB, free: 15.31 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001889/0.2701, allocations: 23.89 kB / 438 MB, free: 15.29 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002936/0.2704, allocations: 287.7 kB / 438.3 MB, free: 15.01 MB / 350.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 45 ($whenCondition1,$PRE.FF.And2.auxiliary_n,FF.RS2.TD1.x_delayed,$PRE.FF.RS2.TD1.x,FF.RS2.Nor2.auxiliary_n,FF.RS2.Nor2.auxiliary[2],FF.RS2.Nor2.x[2],FF.RS2.Nor2.x[1],$PRE.FF.And4.auxiliary_n,FF.RS1.TD1.x_delayed,$PRE.FF.RS1.TD1.x,FF.RS1.Nor2.auxiliary_n,FF.RS1.Nor2.auxiliary[2],FF.RS1.Nor2.x[2],FF.RS1.Nor2.x[1],$PRE.FF.Not1.auxiliary,FF.And4.auxiliary_n,FF.And4.x[1],FF.And3.auxiliary_n,FF.And3.x[2],$PRE.FF.And1.auxiliary_n,FF.And1.y,FF.RS2.TD1.x,$PRE.FF.RS2.Nor2.auxiliary_n,FF.RS2.Nor1.auxiliary_n,$PRE.FF.RS2.Nor1.auxiliary_n,FF.RS2.Nor1.auxiliary[2],K.y,J.y,CLK.t_i,$PRE.CLK.t_i,FF.Not1.auxiliary,$PRE.FF.And3.auxiliary_n,FF.And3.y,FF.And2.auxiliary_n,FF.And2.auxiliary[2],FF.And2.x[1],FF.And1.auxiliary_n,FF.And1.auxiliary[2],FF.And1.x[1],FF.RS1.TD1.x,$PRE.FF.RS1.Nor2.auxiliary_n,FF.RS1.Nor1.auxiliary_n,$PRE.FF.RS1.Nor1.auxiliary_n,FF.RS1.Nor1.auxiliary[2]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (48): * Single equations (assignments): 46 * Array equations: 0 * Algorithm blocks: 2 * 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 0.0003477/0.2707, allocations: 289.1 kB / 438.6 MB, free: 14.7 MB / 350.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.961e-05/0.2708, allocations: 31.81 kB / 438.6 MB, free: 14.67 MB / 350.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.94e-05/0.2709, allocations: 38.95 kB / 438.6 MB, free: 14.63 MB / 350.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.011e-06/0.2709, allocations: 4 kB / 438.6 MB, free: 14.63 MB / 350.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.162e-06/0.2709, allocations: 0 / 438.6 MB, free: 14.63 MB / 350.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.094e-05/0.2709, allocations: 7.922 kB / 438.6 MB, free: 14.62 MB / 350.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005256/0.2714, allocations: 404.5 kB / 439 MB, free: 14.18 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.734e-06/0.2714, allocations: 0 / 439 MB, free: 14.18 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001173/0.2715, allocations: 55.91 kB / 439.1 MB, free: 14.13 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.749e-06/0.2715, allocations: 4 kB / 439.1 MB, free: 14.12 MB / 350.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.975e-05/0.2716, allocations: 43.97 kB / 439.1 MB, free: 14.08 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.923e-06/0.2716, allocations: 4 kB / 439.1 MB, free: 14.08 MB / 350.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.042e-06/0.2716, allocations: 0 / 439.1 MB, free: 14.08 MB / 350.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001094/0.2727, allocations: 0.6681 MB / 439.8 MB, free: 13.37 MB / 350.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.00025/0.273, allocations: 127.6 kB / 439.9 MB, free: 13.24 MB / 350.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001015/0.2731, allocations: 12 kB / 439.9 MB, free: 13.23 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001485/0.2732, allocations: 19.92 kB / 440 MB, free: 13.21 MB / 350.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002174/0.2734, allocations: 95.84 kB / 440.1 MB, free: 13.12 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002755/0.2737, allocations: 279.7 kB / 440.3 MB, free: 12.84 MB / 350.1 MB Notification: Performance of sorting global known variables: time 0.0001997/0.2739, allocations: 205.2 kB / 440.5 MB, free: 12.64 MB / 350.1 MB Notification: Performance of sort global known variables: time 1.11e-07/0.2739, allocations: 3.938 kB / 440.5 MB, free: 12.64 MB / 350.1 MB Notification: Performance of remove unused functions: time 0.0003958/0.2743, allocations: 95.89 kB / 440.6 MB, free: 12.54 MB / 350.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 33 ($whenCondition1,FF.RS1.Nor1.auxiliary[2],FF.RS1.Nor1.auxiliary_n,FF.RS1.Nor2.x[1],FF.RS1.Nor2.x[2],FF.RS1.Nor2.auxiliary[2],FF.RS1.Nor2.auxiliary_n,FF.RS1.TD1.x,FF.RS1.TD1.x_delayed,FF.RS2.Nor1.auxiliary[2],FF.RS2.Nor1.auxiliary_n,FF.RS2.Nor2.x[1],FF.RS2.Nor2.x[2],FF.RS2.Nor2.auxiliary[2],FF.RS2.Nor2.auxiliary_n,FF.RS2.TD1.x,FF.RS2.TD1.x_delayed,FF.And1.x[1],FF.And1.y,FF.And1.auxiliary[2],FF.And1.auxiliary_n,FF.And2.x[1],FF.And2.auxiliary[2],FF.And2.auxiliary_n,FF.And3.x[2],FF.And3.y,FF.And3.auxiliary_n,FF.And4.x[1],FF.And4.auxiliary_n,FF.Not1.auxiliary,CLK.t_i,J.y,K.y) * Number of discrete states: 13 (FF.Not1.auxiliary,FF.And4.auxiliary_n,FF.And3.auxiliary_n,FF.And2.auxiliary_n,FF.And1.auxiliary_n,FF.RS2.TD1.x,FF.RS2.Nor2.auxiliary_n,FF.RS2.Nor1.auxiliary_n,FF.RS1.TD1.x,FF.RS1.Nor2.auxiliary_n,FF.RS1.Nor1.auxiliary_n,K.y,J.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (35): * Single equations (assignments): 32 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 1 * 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 0.001481/0.2758, allocations: 1.234 MB / 441.9 MB, free: 11.26 MB / 350.1 MB Notification: Performance of simCode: created initialization part: time 0.001058/0.2769, allocations: 0.6495 MB / 442.5 MB, free: 10.56 MB / 350.1 MB Notification: Performance of simCode: created event and clocks part: time 2.695e-06/0.2769, allocations: 0 / 442.5 MB, free: 10.56 MB / 350.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0005465/0.2774, allocations: 402.5 kB / 442.9 MB, free: 10.13 MB / 350.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001215/0.2786, allocations: 340.4 kB / 443.2 MB, free: 9.828 MB / 350.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005276/0.2839, allocations: 3.796 MB / 447 MB, free: 5.855 MB / 350.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002272/0.2841, allocations: 200.2 kB / 447.2 MB, free: 5.633 MB / 350.1 MB Notification: Performance of simCode: alias equations: time 0.00132/0.2854, allocations: 0.7471 MB / 448 MB, free: 4.883 MB / 350.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000786/0.2862, allocations: 338.8 kB / 448.3 MB, free: 4.551 MB / 350.1 MB Notification: Performance of SimCode: time 8.41e-07/0.2862, allocations: 0 / 448.3 MB, free: 4.551 MB / 350.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0394/0.3256, allocations: 14.68 MB / 463 MB, free: 5.949 MB / 366.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 11.33/11.66, allocations: 12 kB / 463 MB, free: 5.938 MB / 366.1 MB " [Timeout remaining time 648] (rm -f Modelica_4.0.0_Modelica.Electrical.Digital.Examples.FlipFlop.pipe ; mkfifo Modelica_4.0.0_Modelica.Electrical.Digital.Examples.FlipFlop.pipe ; head -c 1048576 < Modelica_4.0.0_Modelica.Electrical.Digital.Examples.FlipFlop.pipe >> ../files/Modelica_4.0.0_Modelica.Electrical.Digital.Examples.FlipFlop.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Modelica_4.0.0_Modelica.Electrical.Digital.Examples.FlipFlop_res.mat --tempDir=temp_Modelica_4_0_0_Modelica_Electrical_Digital_Examples_FlipFlop_fmu --startTime=0 --stopTime=250 --stepSize=0.0490773 --timeout=50 --tolerance=1e-06 Modelica_4_0_0_Modelica_Electrical_Digital_Examples_FlipFlop.fmu > Modelica_4.0.0_Modelica.Electrical.Digital.Examples.FlipFlop.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 13.963156312005594] Failed to read output from testmodel.py, exit status != 0: ['time', 'FF.RS1.TD1.x', 'FF.RS2.TD1.x'] 11.819142266991548 11.834145343 11.575258411 Calling exit ...