Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.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 0.0009995/0.0009995, allocations: 80.44 kB / 19.17 MB, free: 0.7344 MB / 13.93 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 0.001042/0.001042, allocations: 165.9 kB / 22.45 MB, free: 2.098 MB / 18.57 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 0.8687/0.8687, allocations: 177.1 MB / 202.8 MB, free: 5.723 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.x/package.mo): time 1.642/1.642, allocations: 359 MB / 0.6037 GB, free: 11.07 MB / 0.573 GB " [Timeout remaining time 178] Using package Buildings with version 11.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.2-maint.11.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.Examples.EquationFitReversible,fileNamePrefix="Buildings_11_Buildings_Fluid_HeatPumps_Examples_EquationFitReversible",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.HeatPumps.Examples.EquationFitReversible,fileNamePrefix="Buildings_11_Buildings_Fluid_HeatPumps_Examples_EquationFitReversible",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.984e-06/1.984e-06, allocations: 0 / 0.9505 GB, free: 3.5 MB / 0.9011 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.324e-05/1.522e-05, allocations: 2.281 kB / 0.9505 GB, free: 3.496 MB / 0.9011 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Examples.EquationFitReversible): time 0.03594/0.03596, allocations: 57.16 MB / 1.006 GB, free: 10.13 MB / 0.9636 GB Notification: Performance of NFInst.instExpressions: time 0.01205/0.04801, allocations: 12.64 MB / 1.019 GB, free: 13.46 MB / 0.9792 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001369/0.04938, allocations: 87.31 kB / 1.019 GB, free: 13.38 MB / 0.9792 GB Notification: Performance of NFTyping.typeComponents: time 0.001856/0.05124, allocations: 0.9235 MB / 1.02 GB, free: 12.45 MB / 0.9792 GB Notification: Performance of NFTyping.typeBindings: time 0.003868/0.05511, allocations: 2.664 MB / 1.022 GB, free: 9.77 MB / 0.9792 GB Notification: Performance of NFTyping.typeClassSections: time 0.002582/0.05769, allocations: 1.699 MB / 1.024 GB, free: 8.082 MB / 0.9792 GB Notification: Performance of NFFlatten.flatten: time 0.003414/0.0611, allocations: 4.41 MB / 1.028 GB, free: 3.652 MB / 0.9792 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001017/0.06212, allocations: 1.141 MB / 1.029 GB, free: 2.477 MB / 0.9792 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002319/0.06444, allocations: 2.286 MB / 1.032 GB, free: 196 kB / 0.9792 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009729/0.06541, allocations: 1.141 MB / 1.033 GB, free: 15.05 MB / 0.9948 GB Notification: Performance of NFPackage.collectConstants: time 0.0001558/0.06557, allocations: 172 kB / 1.033 GB, free: 14.88 MB / 0.9948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001777/0.06734, allocations: 1.2 MB / 1.034 GB, free: 13.68 MB / 0.9948 GB Notification: Performance of NFScalarize.scalarize: time 0.0002977/0.06764, allocations: 0.5449 MB / 1.035 GB, free: 13.13 MB / 0.9948 GB Notification: Performance of NFVerifyModel.verify: time 0.0004861/0.06813, allocations: 0.6781 MB / 1.035 GB, free: 12.45 MB / 0.9948 GB Notification: Performance of NFConvertDAE.convert: time 0.002805/0.07093, allocations: 3.26 MB / 1.038 GB, free: 9.18 MB / 0.9948 GB Notification: Performance of FrontEnd - DAE generated: time 5.77e-06/0.07094, allocations: 0 / 1.038 GB, free: 9.18 MB / 0.9948 GB Notification: Performance of FrontEnd: time 2.034e-06/0.07094, allocations: 0 / 1.038 GB, free: 9.18 MB / 0.9948 GB Notification: Performance of Transformations before backend: time 2.058e-05/0.07096, allocations: 0 / 1.038 GB, free: 9.18 MB / 0.9948 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 265 * Number of variables: 265 Notification: Performance of Generate backend data structure: time 0.002727/0.07369, allocations: 2.31 MB / 1.041 GB, free: 6.824 MB / 0.9948 GB Notification: Performance of prepare preOptimizeDAE: time 3.76e-05/0.07372, allocations: 8.031 kB / 1.041 GB, free: 6.816 MB / 0.9948 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001532/0.07388, allocations: 172.8 kB / 1.041 GB, free: 6.637 MB / 0.9948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001352/0.07523, allocations: 0.5344 MB / 1.041 GB, free: 6.102 MB / 0.9948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001628/0.07686, allocations: 1.455 MB / 1.043 GB, free: 4.605 MB / 0.9948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001635/0.07702, allocations: 272.4 kB / 1.043 GB, free: 4.301 MB / 0.9948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001222/0.07714, allocations: 108 kB / 1.043 GB, free: 4.195 MB / 0.9948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002083/0.07923, allocations: 1.914 MB / 1.045 GB, free: 2.105 MB / 0.9948 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.576e-05/0.07925, allocations: 0 / 1.045 GB, free: 2.105 MB / 0.9948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.73e-05/0.07934, allocations: 44 kB / 1.045 GB, free: 2.062 MB / 0.9948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.542e-05/0.07937, allocations: 39.97 kB / 1.045 GB, free: 2.023 MB / 0.9948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002255/0.08163, allocations: 1.557 MB / 1.047 GB, free: 480 kB / 0.9948 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 0.4576/0.5392, allocations: 5.14 MB / 1.052 GB, free: 132.9 MB / 0.9948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0013/0.5405, allocations: 0.9134 MB / 1.052 GB, free: 132.6 MB / 0.9948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008444/0.5413, allocations: 0.6204 MB / 1.053 GB, free: 132.4 MB / 0.9948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002251/0.5416, allocations: 100.3 kB / 1.053 GB, free: 132.4 MB / 0.9948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.149e-05/0.5416, allocations: 48.19 kB / 1.053 GB, free: 132.3 MB / 0.9948 GB Notification: Performance of pre-optimization done (n=77): time 3.556e-06/0.5416, allocations: 3.375 kB / 1.053 GB, free: 132.3 MB / 0.9948 GB Notification: Performance of matching and sorting (n=77): time 0.002732/0.5443, allocations: 1.911 MB / 1.055 GB, free: 131.8 MB / 0.9948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.745e-05/0.5444, allocations: 111.8 kB / 1.055 GB, free: 131.6 MB / 0.9948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000986/0.5454, allocations: 1.414 MB / 1.057 GB, free: 131.1 MB / 0.9948 GB Notification: Performance of collectPreVariables (initialization): time 5.661e-05/0.5454, allocations: 43.61 kB / 1.057 GB, free: 131 MB / 0.9948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002752/0.5457, allocations: 0.7299 MB / 1.057 GB, free: 130.5 MB / 0.9948 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001358/0.5458, allocations: 275.6 kB / 1.058 GB, free: 130.3 MB / 0.9948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001829/0.546, allocations: 175.2 kB / 1.058 GB, free: 130.2 MB / 0.9948 GB Notification: Performance of setup shared object (initialization): time 4.38e-05/0.546, allocations: 343.7 kB / 1.058 GB, free: 129.9 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000837/0.5469, allocations: 0.5965 MB / 1.059 GB, free: 129.8 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009295/0.5478, allocations: 1.113 MB / 1.06 GB, free: 129 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00166/0.5495, allocations: 1.318 MB / 1.061 GB, free: 128.4 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.108e-06/0.5495, allocations: 0 / 1.061 GB, free: 128.4 MB / 0.9948 GB Notification: Performance of matching and sorting (n=109) (initialization): time 0.002018/0.5515, allocations: 1.57 MB / 1.063 GB, free: 127.8 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 1.745e-05/0.5515, allocations: 5.844 kB / 1.063 GB, free: 127.8 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.696e-06/0.5515, allocations: 5.625 kB / 1.063 GB, free: 127.8 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.91e-05/0.5515, allocations: 12.41 kB / 1.063 GB, free: 127.8 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006852/0.5522, allocations: 308.6 kB / 1.063 GB, free: 127.8 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.081e-05/0.5522, allocations: 10.69 kB / 1.063 GB, free: 127.8 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006478/0.5529, allocations: 184.5 kB / 1.063 GB, free: 127.8 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.971e-05/0.5529, allocations: 44.3 kB / 1.063 GB, free: 127.8 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001093/0.554, allocations: 0.9035 MB / 1.064 GB, free: 127.4 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009391/0.555, allocations: 1.104 MB / 1.065 GB, free: 126.6 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001664/0.5566, allocations: 1.311 MB / 1.066 GB, free: 126 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.444e-06/0.5566, allocations: 0 / 1.066 GB, free: 126 MB / 0.9948 GB Notification: Performance of matching and sorting (n=109) (initialization_lambda0): time 0.001973/0.5586, allocations: 1.56 MB / 1.068 GB, free: 125.5 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 1.387e-05/0.5586, allocations: 7.719 kB / 1.068 GB, free: 125.5 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.699e-06/0.5586, allocations: 7.266 kB / 1.068 GB, free: 125.5 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.203e-06/0.5586, allocations: 10.55 kB / 1.068 GB, free: 125.5 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006535/0.5593, allocations: 314.2 kB / 1.068 GB, free: 125.5 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.363e-06/0.5593, allocations: 12.41 kB / 1.068 GB, free: 125.5 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006058/0.5599, allocations: 173.6 kB / 1.068 GB, free: 125.4 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.421e-05/0.56, allocations: 38.92 kB / 1.068 GB, free: 125.4 MB / 0.9948 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * Number of states: 0 () * Number of discrete variables: 2 (intGreThr.y,reaToInt.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (109): * Single equations (assignments): 109 * Array equations: 0 * Algorithm blocks: 0 * 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 0.000181/0.5601, allocations: 235.2 kB / 1.069 GB, free: 125.2 MB / 0.9948 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001551/0.5603, allocations: 161.8 kB / 1.069 GB, free: 125.1 MB / 0.9948 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002134/0.5624, allocations: 1.697 MB / 1.07 GB, free: 124.5 MB / 0.9948 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.44e-05/0.5624, allocations: 12.28 kB / 1.07 GB, free: 124.5 MB / 0.9948 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.211e-06/0.5625, allocations: 1.125 kB / 1.07 GB, free: 124.5 MB / 0.9948 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001678/0.5641, allocations: 1.316 MB / 1.072 GB, free: 124 MB / 0.9948 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003371/0.5675, allocations: 3.113 MB / 1.075 GB, free: 122.5 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.412e-06/0.5675, allocations: 4.781 kB / 1.075 GB, free: 122.5 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005591/0.5681, allocations: 234.8 kB / 1.075 GB, free: 122.5 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.264e-06/0.5681, allocations: 8.281 kB / 1.075 GB, free: 122.5 MB / 0.9948 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.359e-05/0.5681, allocations: 26.84 kB / 1.075 GB, free: 122.5 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.751e-06/0.5681, allocations: 7.75 kB / 1.075 GB, free: 122.5 MB / 0.9948 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.717e-06/0.5681, allocations: 9.5 kB / 1.075 GB, free: 122.5 MB / 0.9948 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003499/0.5716, allocations: 2.407 MB / 1.077 GB, free: 121.4 MB / 0.9948 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004402/0.5721, allocations: 328 kB / 1.078 GB, free: 121.3 MB / 0.9948 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001267/0.5722, allocations: 23.97 kB / 1.078 GB, free: 121.3 MB / 0.9948 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006336/0.5728, allocations: 142.1 kB / 1.078 GB, free: 121.2 MB / 0.9948 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001309/0.573, allocations: 82.91 kB / 1.078 GB, free: 121.2 MB / 0.9948 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.152e-05/0.573, allocations: 44.59 kB / 1.078 GB, free: 121.2 MB / 0.9948 GB Notification: Performance of sorting global known variables: time 0.0009882/0.574, allocations: 1.078 MB / 1.079 GB, free: 120.8 MB / 0.9948 GB Notification: Performance of sort global known variables: time 4.11e-07/0.574, allocations: 0 / 1.079 GB, free: 120.8 MB / 0.9948 GB Notification: Performance of remove unused functions: time 0.001414/0.5754, allocations: 0.8161 MB / 1.08 GB, free: 120.7 MB / 0.9948 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 19 * Number of states: 2 (heaPum.vol1.dynBal.U,heaPum.vol2.dynBal.U) * Number of discrete variables: 2 (reaToInt.y,intGreThr.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (75): * Single equations (assignments): 71 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 0.003841/0.5793, allocations: 3.331 MB / 1.083 GB, free: 119 MB / 0.9948 GB Notification: Performance of simCode: created initialization part: time 0.003213/0.5825, allocations: 2.052 MB / 1.085 GB, free: 118.4 MB / 0.9948 GB Notification: Performance of simCode: created event and clocks part: time 4.668e-06/0.5825, allocations: 2.312 kB / 1.085 GB, free: 118.4 MB / 0.9948 GB Notification: Performance of simCode: created simulation system equations: time 0.001122/0.5836, allocations: 0.7193 MB / 1.086 GB, free: 118.2 MB / 0.9948 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001972/0.5856, allocations: 0.829 MB / 1.087 GB, free: 118 MB / 0.9948 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01557/0.6012, allocations: 13.19 MB / 1.1 GB, free: 111.8 MB / 0.9948 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006558/0.6018, allocations: 0.6958 MB / 1.1 GB, free: 111.6 MB / 0.9948 GB Notification: Performance of simCode: alias equations: time 0.001262/0.6031, allocations: 420.2 kB / 1.101 GB, free: 111.5 MB / 0.9948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006161/0.6037, allocations: 0.627 MB / 1.101 GB, free: 111 MB / 0.9948 GB Notification: Performance of SimCode: time 9.02e-07/0.6037, allocations: 0 / 1.101 GB, free: 111 MB / 0.9948 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06095/0.6646, allocations: 51.76 MB / 1.152 GB, free: 80.83 MB / 0.9948 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.201/8.866, allocations: 2.922 kB / 1.152 GB, free: 80.83 MB / 0.9948 GB " [Timeout remaining time 291] (rm -f Buildings_11_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.pipe ; mkfifo Buildings_11_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.pipe ; head -c 1048576 < Buildings_11_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.pipe >> ../files/Buildings_11_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.sim & python3 -m fmpy simulate --output-file Buildings_11_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible_res.csv --start-time 0 --stop-time 14400 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 5.76 Buildings_11_Buildings_Fluid_HeatPumps_Examples_EquationFitReversible.fmu > Buildings_11_Buildings.Fluid.HeatPumps.Examples.EquationFitReversible.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 12.897516874596477] Failed to read output from testmodel.py, exit status != 0: 8.969679137691855 8.97606009 8.903736463 Calling exit ...