Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr HelmholtzMedia_HelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_pramp_Tsine.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 0.001249/0.001249, allocations: 101.3 kB / 19.73 MB, free: 2.133 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 0.002137/0.002137, allocations: 218.7 kB / 23.03 MB, free: 4.949 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.375/1.375, allocations: 207.7 MB / 233.9 MB, free: 9.785 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/HelmholtzMedia master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/HelmholtzMedia master/package.mo): time 0.04948/0.04948, allocations: 9.16 MB / 295.3 MB, free: 12.52 MB / 238.1 MB " [Timeout remaining time 180] Using package HelmholtzMedia with version (/home/hudson/saved_omc/libraries/.openmodelica/libraries/HelmholtzMedia master/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(HelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_pramp_Tsine,fileNamePrefix="HelmholtzMedia_HelmholtzMedia_Examples_ConvergenceTest_SinglePhase_setState_pramp_Tsine",fmuType="cs",version="2.0",platforms={"static"}) "" <> buildModelFMU(HelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_pramp_Tsine,fileNamePrefix="HelmholtzMedia_HelmholtzMedia_Examples_ConvergenceTest_SinglePhase_setState_pramp_Tsine",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 660] "Notification: Modelica requested package Complex of version 3.2.3. Complex 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002107/0.002107, allocations: 87.08 kB / 411.8 MB, free: 46.36 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.0751/0.07721, allocations: 50.75 MB / 462.6 MB, free: 12.54 MB / 334.1 MB Notification: Performance of NFInst.instantiate(HelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_pramp_Tsine): time 0.01921/0.09642, allocations: 16.43 MB / 479 MB, free: 12.04 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.01692/0.1133, allocations: 15.54 MB / 494.5 MB, free: 12.45 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002957/0.1136, allocations: 4 kB / 494.6 MB, free: 12.45 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0008992/0.1145, allocations: 266.7 kB / 494.8 MB, free: 12.18 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0005978/0.1151, allocations: 230.7 kB / 495 MB, free: 11.96 MB / 366.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Math/package.mo:1125:3-1182:12:writable] Warning: Pure function 'Modelica.Math.Matrices.solve' contains a call to impure function 'Modelica.Math.Matrices.LAPACK.dgesv_vec'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/HelmholtzMedia master/Interfaces/PartialHelmholtzMedium/package.mo:887:13-887:51:writable] Warning: RSS_ls was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/HelmholtzMedia master/Interfaces/PartialHelmholtzMedium/package.mo:887:13-887:51:writable] Warning: lambda_ls was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/HelmholtzMedia master/Interfaces/PartialHelmholtzMedium/package.mo:1231:13-1231:51:writable] Warning: RSS_ls was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/HelmholtzMedia master/Interfaces/PartialHelmholtzMedium/package.mo:1231:13-1231:51:writable] Warning: lambda_ls was used before it was defined (given a value). Additional such uses may exist for the variable, but some messages were suppressed. Notification: Performance of NFTyping.typeClassSections: time 0.01825/0.1334, allocations: 7.652 MB / 0.4909 GB, free: 4.301 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.0004491/0.1338, allocations: 358.2 kB / 0.4912 GB, free: 3.949 MB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 5.466e-05/0.1339, allocations: 12.58 kB / 0.4913 GB, free: 3.938 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003021/0.1342, allocations: 167.3 kB / 0.4914 GB, free: 3.773 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001534/0.1343, allocations: 99.5 kB / 0.4915 GB, free: 3.676 MB / 366.1 MB Notification: Performance of NFPackage.collectConstants: time 1.683e-05/0.1343, allocations: 4 kB / 0.4915 GB, free: 3.672 MB / 366.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01403/0.1484, allocations: 7.856 MB / 0.4992 GB, free: 11.8 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 6.379e-05/0.1484, allocations: 23.84 kB / 0.4992 GB, free: 11.78 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.000187/0.1486, allocations: 83.61 kB / 0.4993 GB, free: 11.7 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01072/0.1594, allocations: 3.877 MB / 0.5031 GB, free: 7.809 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.149e-06/0.1594, allocations: 0 / 0.5031 GB, free: 7.809 MB / 382.1 MB Notification: Performance of FrontEnd: time 3.437e-06/0.1594, allocations: 4 kB / 0.5031 GB, free: 7.805 MB / 382.1 MB Notification: Performance of Transformations before backend: time 7.333e-06/0.1594, allocations: 0 / 0.5031 GB, free: 7.805 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 48 * Number of variables: 48 Notification: Performance of Generate backend data structure: time 0.002537/0.1619, allocations: 1.047 MB / 0.5041 GB, free: 6.723 MB / 382.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.369e-05/0.1619, allocations: 11.98 kB / 0.5041 GB, free: 6.711 MB / 382.1 MB Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 1.981e-05/0.162, allocations: 11.94 kB / 0.5041 GB, free: 6.699 MB / 382.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 4.222e-05/0.162, allocations: 42.55 kB / 0.5042 GB, free: 6.648 MB / 382.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 4.897e-05/0.1621, allocations: 19.86 kB / 0.5042 GB, free: 6.629 MB / 382.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001357/0.1622, allocations: 144.9 kB / 0.5043 GB, free: 6.461 MB / 382.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.011e-05/0.1622, allocations: 4 kB / 0.5043 GB, free: 6.457 MB / 382.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 1.675e-05/0.1622, allocations: 4 kB / 0.5043 GB, free: 6.453 MB / 382.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003786/0.1626, allocations: 176.2 kB / 0.5045 GB, free: 6.277 MB / 382.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.605e-06/0.1626, allocations: 4 kB / 0.5045 GB, free: 6.273 MB / 382.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.588e-05/0.1626, allocations: 4 kB / 0.5045 GB, free: 6.27 MB / 382.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.568e-05/0.1626, allocations: 7.969 kB / 0.5045 GB, free: 6.262 MB / 382.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004179/0.1631, allocations: 168.2 kB / 0.5047 GB, free: 6.098 MB / 382.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006232/0.1637, allocations: 456.3 kB / 0.5051 GB, free: 5.605 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0002983/0.164, allocations: 150.8 kB / 0.5053 GB, free: 5.449 MB / 382.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002469/0.1642, allocations: 129.7 kB / 0.5054 GB, free: 5.32 MB / 382.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.2958/0.4601, allocations: 27.55 MB / 0.5323 GB, free: 72.86 MB / 398.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.503e-05/0.4601, allocations: 35 kB / 0.5323 GB, free: 72.82 MB / 398.1 MB Notification: Performance of pre-optimization done (n=47): time 3.035e-06/0.4601, allocations: 0 / 0.5323 GB, free: 72.82 MB / 398.1 MB Notification: Performance of matching and sorting (n=47): time 0.001063/0.4612, allocations: 488.6 kB / 0.5328 GB, free: 72.78 MB / 398.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.835e-05/0.4612, allocations: 56.56 kB / 0.5328 GB, free: 72.72 MB / 398.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 9.685e-05/0.4613, allocations: 136.2 kB / 0.533 GB, free: 72.62 MB / 398.1 MB Notification: Performance of collectPreVariables (initialization): time 1.457e-05/0.4613, allocations: 33.25 kB / 0.533 GB, free: 72.59 MB / 398.1 MB Notification: Performance of collectInitialEqns (initialization): time 3.411e-05/0.4613, allocations: 86.77 kB / 0.5331 GB, free: 72.5 MB / 398.1 MB Notification: Performance of collectInitialBindings (initialization): time 9.271e-05/0.4614, allocations: 157.5 kB / 0.5332 GB, free: 72.43 MB / 398.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 6.569e-05/0.4615, allocations: 50.58 kB / 0.5333 GB, free: 72.41 MB / 398.1 MB Notification: Performance of setup shared object (initialization): time 5.695e-05/0.4615, allocations: 334 kB / 0.5336 GB, free: 72.09 MB / 398.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002465/0.4618, allocations: 119.5 kB / 0.5337 GB, free: 72.09 MB / 398.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002704/0.4621, allocations: 124.9 kB / 0.5338 GB, free: 72.07 MB / 398.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005654/0.4626, allocations: 292.1 kB / 0.5341 GB, free: 71.99 MB / 398.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.765e-06/0.4626, allocations: 2.906 kB / 0.5341 GB, free: 71.99 MB / 398.1 MB Notification: Performance of matching and sorting (n=47) (initialization): time 0.0006741/0.4633, allocations: 335.5 kB / 0.5344 GB, free: 71.81 MB / 398.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.258e-05/0.4633, allocations: 5.562 kB / 0.5344 GB, free: 71.81 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.035e-06/0.4633, allocations: 6.359 kB / 0.5344 GB, free: 71.81 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.701e-05/0.4634, allocations: 0.625 kB / 0.5344 GB, free: 71.81 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001517/0.4635, allocations: 26.19 kB / 0.5345 GB, free: 71.8 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.241e-06/0.4635, allocations: 2.5 kB / 0.5345 GB, free: 71.8 MB / 398.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001452/0.4637, allocations: 29.12 kB / 0.5345 GB, free: 71.79 MB / 398.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.097e-05/0.4637, allocations: 7.219 kB / 0.5345 GB, free: 71.79 MB / 398.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 6 (state_Ts.phase,state_ps.phase,state_ph.phase,state_pd.phase,state_dT.phase,state.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (11): * Single equations (assignments): 5 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * 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 9.094e-05/0.4638, allocations: 126.7 kB / 0.5346 GB, free: 71.66 MB / 398.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.296e-05/0.4638, allocations: 20.36 kB / 0.5346 GB, free: 71.65 MB / 398.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00074/0.4646, allocations: 412 kB / 0.535 GB, free: 71.44 MB / 398.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.477e-05/0.4646, allocations: 18.72 kB / 0.5351 GB, free: 71.43 MB / 398.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.97e-06/0.4646, allocations: 1.438 kB / 0.5351 GB, free: 71.43 MB / 398.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.348e-06/0.4646, allocations: 0.5625 kB / 0.5351 GB, free: 71.43 MB / 398.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002458/0.4648, allocations: 256.4 kB / 0.5353 GB, free: 71.2 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.876e-06/0.4648, allocations: 1.188 kB / 0.5353 GB, free: 71.2 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001194/0.465, allocations: 18.42 kB / 0.5353 GB, free: 71.2 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.725e-06/0.465, allocations: 0 / 0.5353 GB, free: 71.2 MB / 398.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.317e-05/0.465, allocations: 12.98 kB / 0.5353 GB, free: 71.19 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.625e-06/0.465, allocations: 2.266 kB / 0.5353 GB, free: 71.19 MB / 398.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.312e-06/0.465, allocations: 6.781 kB / 0.5353 GB, free: 71.19 MB / 398.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005681/0.4655, allocations: 457.5 kB / 0.5358 GB, free: 70.89 MB / 398.1 MB Notification: Performance of postOpt removeConstants (simulation): time 6.438e-05/0.4656, allocations: 33.45 kB / 0.5358 GB, free: 70.88 MB / 398.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.426e-05/0.4656, allocations: 6.203 kB / 0.5358 GB, free: 70.87 MB / 398.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001587/0.4658, allocations: 15.53 kB / 0.5358 GB, free: 70.87 MB / 398.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.362e-05/0.4658, allocations: 16.56 kB / 0.5358 GB, free: 70.86 MB / 398.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.186e-05/0.4659, allocations: 3.125 kB / 0.5358 GB, free: 70.86 MB / 398.1 MB Notification: Performance of sorting global known variables: time 4.599e-05/0.4659, allocations: 104.9 kB / 0.5359 GB, free: 70.77 MB / 398.1 MB Notification: Performance of sort global known variables: time 7e-08/0.4659, allocations: 0 / 0.5359 GB, free: 70.77 MB / 398.1 MB Notification: Performance of remove unused functions: time 0.002724/0.4686, allocations: 1.139 MB / 0.5371 GB, free: 70.65 MB / 398.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 6 (state.phase,state_dT.phase,state_pd.phase,state_ph.phase,state_ps.phase,state_Ts.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (11): * Single equations (assignments): 5 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * 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 0.005519/0.4741, allocations: 2.578 MB / 0.5396 GB, free: 69.37 MB / 398.1 MB Notification: Performance of simCode: created initialization part: time 0.0006157/0.4748, allocations: 283.3 kB / 0.5398 GB, free: 69.24 MB / 398.1 MB Notification: Performance of simCode: created event and clocks part: time 3.106e-06/0.4748, allocations: 0 / 0.5398 GB, free: 69.24 MB / 398.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0002818/0.475, allocations: 135.7 kB / 0.54 GB, free: 69.18 MB / 398.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009068/0.476, allocations: 157.6 kB / 0.5401 GB, free: 69.11 MB / 398.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002012/0.478, allocations: 0.9388 MB / 0.541 GB, free: 68.52 MB / 398.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 8.024e-05/0.478, allocations: 120.6 kB / 0.5412 GB, free: 68.42 MB / 398.1 MB Notification: Performance of simCode: alias equations: time 0.0001186/0.4782, allocations: 14.38 kB / 0.5412 GB, free: 68.42 MB / 398.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.122e-05/0.4782, allocations: 53.7 kB / 0.5412 GB, free: 68.38 MB / 398.1 MB Notification: Performance of SimCode: time 7.82e-07/0.4782, allocations: 0 / 0.5412 GB, free: 68.38 MB / 398.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05484/0.5331, allocations: 34.51 MB / 0.5749 GB, free: 34.99 MB / 398.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 12.3/12.84, allocations: 7.953 kB / 0.5749 GB, free: 34.98 MB / 398.1 MB " [Timeout remaining time 647] (rm -f HelmholtzMedia_HelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_pramp_Tsine.pipe ; mkfifo HelmholtzMedia_HelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_pramp_Tsine.pipe ; head -c 1048576 < HelmholtzMedia_HelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_pramp_Tsine.pipe >> ../files/HelmholtzMedia_HelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_pramp_Tsine.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_HelmholtzMedia_HelmholtzMedia_Examples_ConvergenceTest_SinglePhase_setState_pramp_Tsine_fmu --startTime=0 --stopTime=12 --stepSize=0.0048 --timeout=50 --tolerance=1e-06 HelmholtzMedia_HelmholtzMedia_Examples_ConvergenceTest_SinglePhase_setState_pramp_Tsine.fmu > HelmholtzMedia_HelmholtzMedia.Examples.ConvergenceTest.SinglePhase_setState_pramp_Tsine.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 15.407581143896095] Failed to read output from testmodel.py, exit status != 0: 13.016042837058194 13.034127784 12.8708434 Calling exit ...