Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IndustrialControlSystems_IndustrialControlSystems.Controllers.Examples.TestPD_bias.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 0.001316/0.001316, allocations: 111.1 kB / 17.96 MB, free: 3.863 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 0.00126/0.00126, allocations: 197.5 kB / 21.21 MB, free: 0.6211 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 1.476/1.476, allocations: 225.6 MB / 249.9 MB, free: 13.37 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IndustrialControlSystems 2.0.0-master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IndustrialControlSystems 2.0.0-master/package.mo): time 0.06316/0.06316, allocations: 11.36 MB / 316.4 MB, free: 14.02 MB / 254.1 MB " [Timeout remaining time 180] Using package IndustrialControlSystems with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IndustrialControlSystems 2.0.0-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: "" <> buildModelFMU(IndustrialControlSystems.Controllers.Examples.TestPD_bias,fileNamePrefix="IndustrialControlSystems_IndustrialControlSystems_Controllers_Examples_TestPD_bias",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IndustrialControlSystems.Controllers.Examples.TestPD_bias,fileNamePrefix="IndustrialControlSystems_IndustrialControlSystems_Controllers_Examples_TestPD_bias",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.001925/0.001925, allocations: 63.89 kB / 441.1 MB, free: 7.73 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1309/0.1329, allocations: 54.82 MB / 495.9 MB, free: 0.8047 MB / 350.1 MB Notification: Performance of NFInst.instantiate(IndustrialControlSystems.Controllers.Examples.TestPD_bias): time 0.003877/0.1367, allocations: 2.29 MB / 498.2 MB, free: 14.5 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.002068/0.1388, allocations: 1.033 MB / 499.2 MB, free: 13.46 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001896/0.139, allocations: 11.88 kB / 499.2 MB, free: 13.45 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0003115/0.1393, allocations: 99.27 kB / 499.3 MB, free: 13.35 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0001537/0.1395, allocations: 67.52 kB / 499.4 MB, free: 13.29 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0009814/0.1404, allocations: 347.8 kB / 499.7 MB, free: 12.95 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.0007127/0.1411, allocations: 0.595 MB / 0.4886 GB, free: 12.35 MB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.000177/0.1413, allocations: 69.05 kB / 0.4887 GB, free: 12.27 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0002633/0.1416, allocations: 211.3 kB / 0.4889 GB, free: 12.07 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003714/0.142, allocations: 259 kB / 0.4891 GB, free: 11.81 MB / 366.1 MB Notification: Performance of NFPackage.collectConstants: time 6.663e-05/0.142, allocations: 36 kB / 0.4892 GB, free: 11.78 MB / 366.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.00019/0.1422, allocations: 103.9 kB / 0.4893 GB, free: 11.68 MB / 366.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001876/0.1424, allocations: 171.4 kB / 0.4894 GB, free: 11.51 MB / 366.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002326/0.1426, allocations: 234.5 kB / 0.4896 GB, free: 11.28 MB / 366.1 MB Notification: Performance of NFConvertDAE.convert: time 0.000669/0.1433, allocations: 0.525 MB / 0.4902 GB, free: 10.75 MB / 366.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.717e-06/0.1433, allocations: 4 kB / 0.4902 GB, free: 10.75 MB / 366.1 MB Notification: Performance of FrontEnd: time 1.142e-06/0.1433, allocations: 0 / 0.4902 GB, free: 10.75 MB / 366.1 MB Notification: Performance of Transformations before backend: time 1.277e-05/0.1433, allocations: 0 / 0.4902 GB, free: 10.75 MB / 366.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 108 * Number of variables: 108 Notification: Performance of Generate backend data structure: time 0.001821/0.1451, allocations: 0.905 MB / 0.491 GB, free: 9.785 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.521e-05/0.1452, allocations: 11.89 kB / 0.4911 GB, free: 9.773 MB / 366.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.919e-05/0.1453, allocations: 82.7 kB / 0.4911 GB, free: 9.684 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001149/0.1454, allocations: 68.52 kB / 0.4912 GB, free: 9.617 MB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007362/0.1461, allocations: 454.1 kB / 0.4916 GB, free: 9.133 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.497e-05/0.1462, allocations: 33.38 kB / 0.4917 GB, free: 9.102 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.762e-05/0.1463, allocations: 48.33 kB / 0.4917 GB, free: 9.055 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009028/0.1472, allocations: 0.5509 MB / 0.4922 GB, free: 8.469 MB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.654e-05/0.1472, allocations: 4 kB / 0.4922 GB, free: 8.465 MB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.555e-05/0.1472, allocations: 20 kB / 0.4923 GB, free: 8.445 MB / 366.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.779e-05/0.1473, allocations: 19.92 kB / 0.4923 GB, free: 8.426 MB / 366.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007111/0.148, allocations: 407.6 kB / 0.4927 GB, free: 8.027 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003257/0.1512, allocations: 2.159 MB / 0.4948 GB, free: 5.777 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0005585/0.1518, allocations: 247.8 kB / 0.495 GB, free: 5.527 MB / 366.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002743/0.1521, allocations: 169 kB / 0.4952 GB, free: 5.359 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 3.431e-05/0.1521, allocations: 11.97 kB / 0.4952 GB, free: 5.348 MB / 366.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004395/0.1525, allocations: 260.9 kB / 0.4954 GB, free: 5.074 MB / 366.1 MB Notification: Performance of pre-optimization done (n=36): time 2.204e-06/0.1525, allocations: 0 / 0.4954 GB, free: 5.074 MB / 366.1 MB Notification: Performance of matching and sorting (n=36): time 0.001199/0.1537, allocations: 0.5782 MB / 0.496 GB, free: 4.477 MB / 366.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 7.237e-05/0.1538, allocations: 85.11 kB / 0.4961 GB, free: 4.375 MB / 366.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006454/0.1545, allocations: 0.5175 MB / 0.4966 GB, free: 3.848 MB / 366.1 MB Notification: Performance of collectPreVariables (initialization): time 3.608e-05/0.1545, allocations: 29.7 kB / 0.4966 GB, free: 3.812 MB / 366.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002844/0.1548, allocations: 300.4 kB / 0.4969 GB, free: 3.512 MB / 366.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001574/0.1549, allocations: 146.8 kB / 0.497 GB, free: 3.367 MB / 366.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001706/0.1551, allocations: 118.1 kB / 0.4972 GB, free: 3.246 MB / 366.1 MB Notification: Performance of setup shared object (initialization): time 0.0002183/0.1553, allocations: 366.8 kB / 0.4975 GB, free: 2.879 MB / 366.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002873/0.1556, allocations: 169.1 kB / 0.4977 GB, free: 2.715 MB / 366.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004702/0.1561, allocations: 361.9 kB / 0.498 GB, free: 2.285 MB / 366.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002302/0.1584, allocations: 1.125 MB / 0.4991 GB, free: 1.055 MB / 366.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.679e-06/0.1584, allocations: 0 / 0.4991 GB, free: 1.055 MB / 366.1 MB Notification: Performance of matching and sorting (n=79) (initialization): time 0.001215/0.1596, allocations: 0.7539 MB / 0.4998 GB, free: 296 kB / 366.1 MB Notification: Performance of prepare postOptimizeDAE: time 4.978e-05/0.1596, allocations: 33.7 kB / 0.4999 GB, free: 256 kB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.345e-05/0.1597, allocations: 11.98 kB / 0.4999 GB, free: 244 kB / 366.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.585e-05/0.1597, allocations: 11.94 kB / 0.4999 GB, free: 232 kB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005045/0.1602, allocations: 135.8 kB / 0.5 GB, free: 96 kB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.031e-05/0.1602, allocations: 15.92 kB / 0.5 GB, free: 80 kB / 366.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002804/0.1605, allocations: 79.97 kB / 0.5001 GB, free: 0 / 366.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.391e-05/0.1606, allocations: 24.05 kB / 0.5001 GB, free: 15.97 MB / 382.1 MB Warning: Assuming fixed start value for the following 15 variables: processNoCtrl.w:VARIABLE(fixed = true protected = true ) \"proper part of the output\" type: Real processNoCtrl.U[3]:VARIABLE(fixed = true protected = true ) type: Real [3] processNoCtrl.U[2]:VARIABLE(fixed = true protected = true ) type: Real [3] processNoCtrl.Y[4]:VARIABLE(fixed = true protected = true ) type: Real [4] processNoCtrl.Y[3]:VARIABLE(fixed = true protected = true ) type: Real [4] ProcessBias.w:VARIABLE(fixed = true protected = true ) \"proper part of the output\" type: Real ProcessBias.U[3]:VARIABLE(fixed = true protected = true ) type: Real [3] ProcessBias.U[2]:VARIABLE(fixed = true protected = true ) type: Real [3] ProcessBias.Y[4]:VARIABLE(fixed = true protected = true ) type: Real [4] ProcessBias.Y[3]:VARIABLE(fixed = true protected = true ) type: Real [4] ProcessCtrl.w:VARIABLE(fixed = true protected = true ) \"proper part of the output\" type: Real ProcessCtrl.U[3]:VARIABLE(fixed = true protected = true ) type: Real [3] ProcessCtrl.U[2]:VARIABLE(fixed = true protected = true ) type: Real [3] ProcessCtrl.Y[4]:VARIABLE(fixed = true protected = true ) type: Real [4] ProcessCtrl.Y[3]:VARIABLE(fixed = true protected = true ) type: Real [4] Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * Number of states: 0 () * Number of discrete variables: 15 (Disturbance.nextEventScaled,Disturbance.nextEvent,$PRE.Disturbance.nextEvent,Disturbance.last,Disturbance.b,Disturbance.a,$whenCondition1,R_Bias.TS_in,R.TS_in,R_Bias.satLOW_in,R_Bias.satHIGH_in,R_Bias.ATreq_in,R.satLOW_in,R.satHIGH_in,R.ATreq_in) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (74): * Single equations (assignments): 73 * 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 0.0003997/0.161, allocations: 282.5 kB / 0.5004 GB, free: 15.69 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.558e-05/0.161, allocations: 51.67 kB / 0.5005 GB, free: 15.64 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0009229/0.162, allocations: 0.5258 MB / 0.501 GB, free: 15.09 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.005e-05/0.162, allocations: 7.938 kB / 0.501 GB, free: 15.09 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.67e-06/0.162, allocations: 4 kB / 0.501 GB, free: 15.08 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.488e-06/0.162, allocations: 0 / 0.501 GB, free: 15.08 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005877/0.1626, allocations: 484.9 kB / 0.5015 GB, free: 14.56 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.944e-06/0.1626, allocations: 0 / 0.5015 GB, free: 14.56 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004721/0.163, allocations: 87.88 kB / 0.5015 GB, free: 14.47 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 4.088e-06/0.163, allocations: 0 / 0.5015 GB, free: 14.47 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.572e-05/0.1631, allocations: 19.98 kB / 0.5016 GB, free: 14.45 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.895e-06/0.1631, allocations: 11.92 kB / 0.5016 GB, free: 14.44 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.303e-06/0.1631, allocations: 3.938 kB / 0.5016 GB, free: 14.44 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001103/0.1642, allocations: 0.7165 MB / 0.5023 GB, free: 13.7 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001348/0.1643, allocations: 128.7 kB / 0.5024 GB, free: 13.55 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.765e-05/0.1644, allocations: 15.98 kB / 0.5024 GB, free: 13.54 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001613/0.1646, allocations: 19.92 kB / 0.5024 GB, free: 13.52 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.818e-05/0.1646, allocations: 23.91 kB / 0.5025 GB, free: 13.49 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.499e-05/0.1647, allocations: 15.94 kB / 0.5025 GB, free: 13.48 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0004767/0.1652, allocations: 354.8 kB / 0.5028 GB, free: 13.13 MB / 382.1 MB Notification: Performance of sort global known variables: time 1.1e-07/0.1652, allocations: 4 kB / 0.5028 GB, free: 13.13 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.0005048/0.1657, allocations: 119.8 kB / 0.5029 GB, free: 13.01 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 17 (R.Fin,R_Bias.Fin,ProcessCtrl.Y[3],ProcessCtrl.Y[4],ProcessCtrl.U[2],ProcessCtrl.U[3],ProcessCtrl.w,processNoCtrl.Y[3],processNoCtrl.Y[4],processNoCtrl.U[2],processNoCtrl.U[3],processNoCtrl.w,ProcessBias.Y[3],ProcessBias.Y[4],ProcessBias.U[2],ProcessBias.U[3],ProcessBias.w) * Number of discrete variables: 6 ($whenCondition1,Disturbance.a,Disturbance.b,Disturbance.last,Disturbance.nextEvent,Disturbance.nextEventScaled) * Number of discrete states: 6 (Disturbance.nextEvent,Disturbance.last,Disturbance.nextEventScaled,Disturbance.b,Disturbance.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (33): * Single equations (assignments): 32 * 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 Backend phase and start with SimCode phase: time 0.001599/0.1673, allocations: 1.292 MB / 0.5042 GB, free: 11.69 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.0009189/0.1682, allocations: 0.5145 MB / 0.5047 GB, free: 11.16 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 2.545e-06/0.1682, allocations: 1.562 kB / 0.5047 GB, free: 11.16 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0003482/0.1685, allocations: 243.2 kB / 0.5049 GB, free: 10.91 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003775/0.1689, allocations: 59.33 kB / 0.505 GB, free: 10.86 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006935/0.1758, allocations: 5.102 MB / 0.51 GB, free: 5.488 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005653/0.1764, allocations: 0.8859 MB / 0.5108 GB, free: 4.578 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0002947/0.1767, allocations: 116.3 kB / 0.5109 GB, free: 4.465 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002576/0.177, allocations: 191.4 kB / 0.5111 GB, free: 4.277 MB / 382.1 MB Notification: Performance of SimCode: time 1.212e-06/0.177, allocations: 0 / 0.5111 GB, free: 4.277 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.297/0.4739, allocations: 9.297 MB / 0.5202 GB, free: 32.1 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 9.416/9.89, allocations: 7.812 kB / 0.5202 GB, free: 32.1 MB / 382.1 MB " [Timeout remaining time 650] (rm -f IndustrialControlSystems_IndustrialControlSystems.Controllers.Examples.TestPD_bias.pipe ; mkfifo IndustrialControlSystems_IndustrialControlSystems.Controllers.Examples.TestPD_bias.pipe ; head -c 1048576 < IndustrialControlSystems_IndustrialControlSystems.Controllers.Examples.TestPD_bias.pipe >> ../files/IndustrialControlSystems_IndustrialControlSystems.Controllers.Examples.TestPD_bias.sim & python3 -m fmpy simulate --output-file IndustrialControlSystems_IndustrialControlSystems.Controllers.Examples.TestPD_bias_res.csv --start-time 0 --stop-time 100 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.04 IndustrialControlSystems_IndustrialControlSystems_Controllers_Examples_TestPD_bias.fmu > IndustrialControlSystems_IndustrialControlSystems.Controllers.Examples.TestPD_bias.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 12.645712700905278] Failed to read output from testmodel.py, exit status != 0: 9.963678624015301 9.986703992 9.839320532 Calling exit ...