Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.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 0.001716/0.001716, allocations: 119 kB / 19.69 MB, free: 2.199 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 0.002145/0.002145, allocations: 223.5 kB / 23.01 MB, free: 5.047 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 1.449/1.449, allocations: 230.6 MB / 256.8 MB, free: 7.977 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.9499/0.9499, allocations: 150 MB / 463.2 MB, free: 10.45 MB / 366.1 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/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(IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle,fileNamePrefix="IBPSA_latest_IBPSA_BoundaryConditions_SolarGeometry_Examples_IncidenceAngle",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle,fileNamePrefix="IBPSA_latest_IBPSA_BoundaryConditions_SolarGeometry_Examples_IncidenceAngle",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: IBPSA 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 0.002128/0.002128, allocations: 67.17 kB / 0.6412 GB, free: 10.36 MB / 478.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1781/0.1802, allocations: 89.17 MB / 0.7283 GB, free: 1.25 MB / 0.545 GB Notification: Performance of NFInst.instantiate(IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle): time 0.01063/0.1909, allocations: 7.02 MB / 0.7352 GB, free: 10.19 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.5485/0.7394, allocations: 154.8 MB / 0.8864 GB, free: 5.391 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001398/0.7408, allocations: 27.81 kB / 0.8864 GB, free: 5.363 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.001103/0.7419, allocations: 268.4 kB / 0.8866 GB, free: 5.102 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.003229/0.7451, allocations: 0.8228 MB / 0.8874 GB, free: 4.293 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.00283/0.7479, allocations: 1.019 MB / 0.8884 GB, free: 3.312 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.003373/0.7513, allocations: 2.173 MB / 0.8906 GB, free: 1.133 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001589/0.7529, allocations: 0.7067 MB / 0.8913 GB, free: 384 kB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00163/0.7545, allocations: 0.876 MB / 0.8921 GB, free: 15.5 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001642/0.7562, allocations: 0.9169 MB / 0.893 GB, free: 14.58 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0005738/0.7568, allocations: 212 kB / 0.8932 GB, free: 14.37 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00145/0.7582, allocations: 0.6089 MB / 0.8938 GB, free: 13.76 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.0004724/0.7587, allocations: 490.4 kB / 0.8943 GB, free: 13.28 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.001209/0.7599, allocations: 0.9563 MB / 0.8952 GB, free: 12.32 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.003626/0.7635, allocations: 2.636 MB / 0.8978 GB, free: 9.68 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.42e-06/0.7635, allocations: 0 / 0.8978 GB, free: 9.68 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.724e-06/0.7635, allocations: 0 / 0.8978 GB, free: 9.68 MB / 0.67 GB Notification: Performance of Transformations before backend: time 5.97e-05/0.7636, allocations: 0 / 0.8978 GB, free: 9.68 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 392 * Number of variables: 392 Notification: Performance of Generate backend data structure: time 0.005079/0.7687, allocations: 2.065 MB / 0.8998 GB, free: 7.562 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 5.821e-05/0.7687, allocations: 12.03 kB / 0.8998 GB, free: 7.551 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0003117/0.769, allocations: 224.1 kB / 0.9 GB, free: 7.32 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003896/0.7729, allocations: 463.4 kB / 0.9005 GB, free: 6.867 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002175/0.7751, allocations: 0.9533 MB / 0.9014 GB, free: 5.887 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001241/0.7752, allocations: 115 kB / 0.9015 GB, free: 5.773 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002077/0.7754, allocations: 148 kB / 0.9016 GB, free: 5.629 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002866/0.7783, allocations: 1.584 MB / 0.9032 GB, free: 3.988 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.758e-05/0.7783, allocations: 4 kB / 0.9032 GB, free: 3.984 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001326/0.7785, allocations: 64 kB / 0.9033 GB, free: 3.922 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.261e-05/0.7785, allocations: 36 kB / 0.9033 GB, free: 3.887 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002787/0.7813, allocations: 1.635 MB / 0.9049 GB, free: 2.246 MB / 0.67 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.008109/0.7894, allocations: 4.724 MB / 0.9095 GB, free: 13.28 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002245/0.7916, allocations: 1.119 MB / 0.9106 GB, free: 12.16 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000832/0.7925, allocations: 431.7 kB / 0.911 GB, free: 11.73 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000127/0.7926, allocations: 53 kB / 0.9111 GB, free: 11.68 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001406/0.794, allocations: 0.787 MB / 0.9118 GB, free: 10.88 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=128): time 3.115e-06/0.794, allocations: 0 / 0.9118 GB, free: 10.88 MB / 0.6856 GB Notification: Performance of matching and sorting (n=128): time 0.004536/0.7985, allocations: 1.767 MB / 0.9135 GB, free: 9.102 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001436/0.7987, allocations: 197.2 kB / 0.9137 GB, free: 8.867 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001355/0.8, allocations: 0.8939 MB / 0.9146 GB, free: 7.949 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0001103/0.8001, allocations: 49.69 kB / 0.9147 GB, free: 7.895 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005903/0.8007, allocations: 0.6302 MB / 0.9153 GB, free: 7.254 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003857/0.8011, allocations: 424.4 kB / 0.9157 GB, free: 6.836 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003844/0.8015, allocations: 250.8 kB / 0.9159 GB, free: 6.582 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001674/0.8017, allocations: 349.9 kB / 0.9162 GB, free: 6.234 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008202/0.8025, allocations: 426.4 kB / 0.9167 GB, free: 5.82 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001004/0.8035, allocations: 0.5643 MB / 0.9172 GB, free: 5.23 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001787/0.8053, allocations: 0.9623 MB / 0.9181 GB, free: 4.258 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.228e-06/0.8053, allocations: 0 / 0.9181 GB, free: 4.258 MB / 0.6856 GB Notification: Performance of matching and sorting (n=151) (initialization): time 0.002995/0.8083, allocations: 1.297 MB / 0.9194 GB, free: 2.949 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 2.085e-05/0.8083, allocations: 4.094 kB / 0.9194 GB, free: 2.945 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.061e-05/0.8083, allocations: 8.875 kB / 0.9194 GB, free: 2.938 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006972/0.809, allocations: 80.77 kB / 0.9195 GB, free: 2.855 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001165/0.8102, allocations: 259.6 kB / 0.9197 GB, free: 2.602 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002422/0.8126, allocations: 1.551 MB / 0.9213 GB, free: 0.9336 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001267/0.8139, allocations: 139.2 kB / 0.9214 GB, free: 0.7969 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001138/0.814, allocations: 59.83 kB / 0.9215 GB, free: 0.7383 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 30 (incAngEas.decAng.tNext,$PRE.incAngEas.decAng.tNext,incAngSou.decAng.tNext,$PRE.incAngSou.decAng.tNext,incAngWes.decAng.tNext,$PRE.incAngWes.decAng.tNext,incAngNor.decAng.tNext,$PRE.incAngNor.decAng.tNext,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,incAngHor.decAng.tNext,$PRE.incAngHor.decAng.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (149): * Single equations (assignments): 148 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0007283/0.8147, allocations: 355.2 kB / 0.9218 GB, free: 396 kB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002827/0.815, allocations: 131.1 kB / 0.9219 GB, free: 264 kB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003777/0.8188, allocations: 1.707 MB / 0.9236 GB, free: 14.54 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.624e-05/0.8188, allocations: 12 kB / 0.9236 GB, free: 14.53 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.617e-06/0.8188, allocations: 4 kB / 0.9236 GB, free: 14.53 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.543e-05/0.8188, allocations: 7.969 kB / 0.9236 GB, free: 14.52 MB / 0.7012 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001902/0.8207, allocations: 1.389 MB / 0.925 GB, free: 13.09 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.412e-06/0.8207, allocations: 0 / 0.925 GB, free: 13.09 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009125/0.8216, allocations: 219.7 kB / 0.9252 GB, free: 12.88 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004704/0.8221, allocations: 80.72 kB / 0.9253 GB, free: 12.79 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.941e-05/0.8222, allocations: 35.97 kB / 0.9253 GB, free: 12.76 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002031/0.8242, allocations: 1.58 MB / 0.9268 GB, free: 11.06 MB / 0.7012 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.24e-06/0.8242, allocations: 3.938 kB / 0.9268 GB, free: 11.05 MB / 0.7012 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003186/0.8274, allocations: 1.411 MB / 0.9282 GB, free: 9.625 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007748/0.8282, allocations: 302.6 kB / 0.9285 GB, free: 9.328 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002214/0.8284, allocations: 39.88 kB / 0.9285 GB, free: 9.289 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009143/0.8293, allocations: 87.91 kB / 0.9286 GB, free: 9.203 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002477/0.8296, allocations: 117.1 kB / 0.9287 GB, free: 9.086 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001062/0.8297, allocations: 51.97 kB / 0.9288 GB, free: 9.035 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.0009933/0.8307, allocations: 0.6665 MB / 0.9294 GB, free: 8.359 MB / 0.7012 GB Notification: Performance of sort global known variables: time 1.1e-07/0.8307, allocations: 0 / 0.9294 GB, free: 8.359 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.00121/0.8319, allocations: 494.8 kB / 0.9299 GB, free: 7.875 MB / 0.7012 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 20 ($whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,incAngHor.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,incAngNor.decAng.tNext,incAngWes.decAng.tNext,incAngSou.decAng.tNext,incAngEas.decAng.tNext) * Number of discrete states: 10 (incAngHor.decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,incAngNor.decAng.tNext,incAngWes.decAng.tNext,incAngSou.decAng.tNext,incAngEas.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (144): * Single equations (assignments): 133 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.005099/0.837, allocations: 2.497 MB / 0.9323 GB, free: 5.566 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.003178/0.8401, allocations: 1.197 MB / 0.9335 GB, free: 4.355 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 6.612e-06/0.8401, allocations: 0 / 0.9335 GB, free: 4.355 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.001592/0.8417, allocations: 0.6893 MB / 0.9342 GB, free: 3.656 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001779/0.8435, allocations: 347.4 kB / 0.9345 GB, free: 3.336 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01833/0.8619, allocations: 9.408 MB / 0.9437 GB, free: 9.773 MB / 0.7169 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001265/0.8631, allocations: 1.244 MB / 0.9449 GB, free: 8.496 MB / 0.7169 GB Notification: Performance of simCode: alias equations: time 0.001347/0.8645, allocations: 342.3 kB / 0.9452 GB, free: 8.156 MB / 0.7169 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001153/0.8656, allocations: 0.6358 MB / 0.9459 GB, free: 7.52 MB / 0.7169 GB Notification: Performance of SimCode: time 1.483e-06/0.8656, allocations: 0 / 0.9459 GB, free: 7.52 MB / 0.7169 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08555/0.9512, allocations: 32.5 MB / 0.9776 GB, free: 7.258 MB / 0.7481 GB Notification: Performance of buildModelFMU: Generate platform static: time 14.76/15.72, allocations: 14.23 kB / 0.9776 GB, free: 7.246 MB / 0.7481 GB " [Timeout remaining time 644] (rm -f IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe ; mkfifo IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe >> ../files/IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IBPSA_latest_IBPSA_BoundaryConditions_SolarGeometry_Examples_IncidenceAngle_fmu --startTime=0 --stopTime=86400 --stepSize=34.56 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_BoundaryConditions_SolarGeometry_Examples_IncidenceAngle.fmu > IBPSA_latest_IBPSA.BoundaryConditions.SolarGeometry.Examples.IncidenceAngle.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 19.649917437927797] Failed to read output from testmodel.py, exit status != 0: 15.951689314795658 15.980314473 15.211702011 Calling exit ...