Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr PowerSystems_PowerSystems.Examples.AC3ph.Transmission.RXline.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 0.001402/0.001402, allocations: 83.84 kB / 20.68 MB, free: 1.023 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 0.001548/0.001548, allocations: 168 kB / 23.96 MB, free: 4.145 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 1.512/1.512, allocations: 177.2 MB / 204.3 MB, free: 9.168 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems 2.0.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems 2.0.0/package.mo): time 0.1777/0.1777, allocations: 29.44 MB / 290.1 MB, free: 3.266 MB / 270.1 MB " [Timeout remaining time 180] Using package PowerSystems with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems 2.0.0/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: translateModel(PowerSystems.Examples.AC3ph.Transmission.RXline,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="PowerSystems_PowerSystems.Examples.AC3ph.Transmission.RXline") translateModel(PowerSystems.Examples.AC3ph.Transmission.RXline,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="PowerSystems_PowerSystems.Examples.AC3ph.Transmission.RXline") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.734e-06/1.734e-06, allocations: 0 / 430.7 MB, free: 1.93 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.599e-05/2.772e-05, allocations: 2.281 kB / 430.7 MB, free: 1.926 MB / 350.1 MB Notification: Performance of NFInst.instantiate(PowerSystems.Examples.AC3ph.Transmission.RXline): time 0.01013/0.01016, allocations: 6.227 MB / 437 MB, free: 11.66 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.004509/0.01466, allocations: 2.021 MB / 439 MB, free: 9.633 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006161/0.01528, allocations: 23.81 kB / 439 MB, free: 9.609 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002111/0.01739, allocations: 0.629 MB / 439.6 MB, free: 8.98 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001744/0.01914, allocations: 0.575 MB / 440.2 MB, free: 8.402 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001146/0.02028, allocations: 387 kB / 440.6 MB, free: 8.023 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.001683/0.02197, allocations: 1.224 MB / 441.8 MB, free: 6.797 MB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0008711/0.02284, allocations: 485.4 kB / 442.3 MB, free: 6.32 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.00143/0.02427, allocations: 0.7128 MB / 443 MB, free: 5.605 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001149/0.02542, allocations: 0.6078 MB / 443.6 MB, free: 4.996 MB / 366.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002278/0.02564, allocations: 92 kB / 443.7 MB, free: 4.906 MB / 366.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001171/0.02681, allocations: 0.5265 MB / 444.2 MB, free: 4.379 MB / 366.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0006693/0.02748, allocations: 0.4909 MB / 444.7 MB, free: 3.887 MB / 366.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0008083/0.02829, allocations: 383.1 kB / 445.1 MB, free: 3.512 MB / 366.1 MB Notification: Performance of NFConvertDAE.convert: time 0.00216/0.03045, allocations: 1.461 MB / 446.5 MB, free: 2.047 MB / 366.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.907e-06/0.03046, allocations: 0 / 446.5 MB, free: 2.047 MB / 366.1 MB Notification: Performance of FrontEnd: time 1.182e-06/0.03046, allocations: 0 / 446.5 MB, free: 2.047 MB / 366.1 MB Notification: Performance of Transformations before backend: time 3.291e-05/0.03049, allocations: 0 / 446.5 MB, free: 2.047 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: 242 * Number of variables: 242 Notification: Performance of Generate backend data structure: time 0.002729/0.03322, allocations: 1.325 MB / 447.9 MB, free: 0.6719 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.84e-05/0.03326, allocations: 15.98 kB / 447.9 MB, free: 0.6562 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001009/0.03427, allocations: 192.1 kB / 448.1 MB, free: 480 kB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.1609/0.1951, allocations: 0.5686 MB / 448.6 MB, free: 30.3 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.448e-05/0.1952, allocations: 71 kB / 448.7 MB, free: 30.3 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002567/0.1955, allocations: 97.52 kB / 448.8 MB, free: 30.3 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001891/0.1974, allocations: 1.385 MB / 450.2 MB, free: 29.73 MB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.875e-05/0.1974, allocations: 4.75 kB / 450.2 MB, free: 29.73 MB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.14e-05/0.1975, allocations: 38.59 kB / 450.2 MB, free: 29.7 MB / 366.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000154/0.1977, allocations: 62.27 kB / 450.3 MB, free: 29.7 MB / 366.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001783/0.1994, allocations: 1.25 MB / 451.5 MB, free: 29.26 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.005437/0.2049, allocations: 4.264 MB / 455.8 MB, free: 26.64 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001311/0.2062, allocations: 0.8418 MB / 456.6 MB, free: 26.28 MB / 366.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.000873/0.2071, allocations: 0.6405 MB / 457.3 MB, free: 26 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 5.776e-05/0.2071, allocations: 10.64 kB / 457.3 MB, free: 26 MB / 366.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001168/0.2083, allocations: 0.9628 MB / 458.3 MB, free: 25.57 MB / 366.1 MB Notification: Performance of pre-optimization done (n=122): time 3.166e-06/0.2083, allocations: 0 / 458.3 MB, free: 25.57 MB / 366.1 MB Notification: Performance of matching and sorting (n=123): time 0.005074/0.2134, allocations: 3.736 MB / 462 MB, free: 23.76 MB / 366.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 9.509e-05/0.2135, allocations: 239.9 kB / 462.2 MB, free: 23.5 MB / 366.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004737/0.2139, allocations: 490.9 kB / 462.7 MB, free: 23.27 MB / 366.1 MB Notification: Performance of collectPreVariables (initialization): time 6.899e-05/0.214, allocations: 52.59 kB / 462.8 MB, free: 23.22 MB / 366.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002031/0.2142, allocations: 416.1 kB / 463.2 MB, free: 22.9 MB / 366.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002165/0.2144, allocations: 378.6 kB / 463.5 MB, free: 22.62 MB / 366.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003126/0.2147, allocations: 227.5 kB / 463.8 MB, free: 22.52 MB / 366.1 MB Notification: Performance of setup shared object (initialization): time 0.000109/0.2148, allocations: 400.2 kB / 464.1 MB, free: 22.16 MB / 366.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007821/0.2156, allocations: 0.5662 MB / 464.7 MB, free: 21.93 MB / 366.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0009241/0.2165, allocations: 0.8303 MB / 465.5 MB, free: 21.4 MB / 366.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0016/0.2181, allocations: 1.41 MB / 467 MB, free: 20.58 MB / 366.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.491e-06/0.2181, allocations: 2.438 kB / 467 MB, free: 20.58 MB / 366.1 MB Notification: Performance of matching and sorting (n=175) (initialization): time 0.003647/0.2218, allocations: 2.096 MB / 469.1 MB, free: 19.76 MB / 366.1 MB Notification: Performance of prepare postOptimizeDAE: time 4.337e-05/0.2218, allocations: 67.39 kB / 469.1 MB, free: 19.7 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.00302/0.2249, allocations: 1.624 MB / 470.7 MB, free: 19.16 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001938/0.2268, allocations: 0.6617 MB / 471.4 MB, free: 19.01 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004626/0.2273, allocations: 134.6 kB / 471.5 MB, free: 18.99 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007636/0.2349, allocations: 6.26 MB / 477.8 MB, free: 14.17 MB / 366.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005979/0.2355, allocations: 59.94 kB / 477.9 MB, free: 14.11 MB / 366.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.785e-05/0.2356, allocations: 48 kB / 477.9 MB, free: 14.06 MB / 366.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 31 * Number of states: 0 () * Number of discrete variables: 67 (system.initime,relay2.cnt,$PRE.relay2.cnt,$whenCondition2,relay1.cnt,$PRE.relay1.cnt,$whenCondition1,relay2.y[3],$PRE.relay2.y[3],relay2.y[2],$PRE.relay2.y[2],relay2.y[1],$PRE.relay2.y[1],relay1.y[3],$PRE.relay1.y[3],relay1.y[2],$PRE.relay1.y[2],relay1.y[1],$PRE.relay1.y[1],switch2.switch_c.closed,switch2.switch_c.open,$PRE.switch2.switch_c.open,switch2.switch_c.arc,$PRE.switch2.switch_c.arc,switch2.switch_b.closed,switch2.switch_b.open,$PRE.switch2.switch_b.open,switch2.switch_b.arc,$PRE.switch2.switch_b.arc,switch2.switch_a.closed,switch2.switch_a.open,$PRE.switch2.switch_a.open,switch2.switch_a.arc,$PRE.switch2.switch_a.arc,switch1.switch_c.closed,switch1.switch_c.open,$PRE.switch1.switch_c.open,switch1.switch_c.arc,$PRE.switch1.switch_c.arc,switch1.switch_b.closed,switch1.switch_b.open,$PRE.switch1.switch_b.open,switch1.switch_b.arc,$PRE.switch1.switch_b.arc,switch1.switch_a.closed,switch1.switch_a.open,$PRE.switch1.switch_a.open,switch1.switch_a.arc,$PRE.switch1.switch_a.arc,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10,$whenCondition11,$whenCondition12,$whenCondition13,$whenCondition14,$whenCondition15,$whenCondition16,$whenCondition17,$whenCondition18,$whenCondition19,$whenCondition20) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (124): * Single equations (assignments): 119 * Array equations: 2 * Algorithm blocks: 2 * 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): 1 system {(7,29,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0005078/0.2361, allocations: 428.7 kB / 478.3 MB, free: 13.62 MB / 366.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000159/0.2362, allocations: 83.48 kB / 478.4 MB, free: 13.54 MB / 366.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001831/0.2381, allocations: 1.512 MB / 479.9 MB, free: 12 MB / 366.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.701e-05/0.2381, allocations: 27.98 kB / 479.9 MB, free: 11.98 MB / 366.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.286e-06/0.2381, allocations: 3.938 kB / 479.9 MB, free: 11.97 MB / 366.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.618e-06/0.2381, allocations: 3.984 kB / 479.9 MB, free: 11.97 MB / 366.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003218/0.2413, allocations: 2.584 MB / 482.5 MB, free: 9.34 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.659e-06/0.2413, allocations: 0 / 482.5 MB, free: 9.34 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009945/0.2423, allocations: 239.6 kB / 482.8 MB, free: 9.109 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 6.533e-06/0.2423, allocations: 4 kB / 482.8 MB, free: 9.105 MB / 366.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.461e-05/0.2424, allocations: 23.98 kB / 482.8 MB, free: 9.082 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.609e-06/0.2424, allocations: 4 kB / 482.8 MB, free: 9.078 MB / 366.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.597e-06/0.2424, allocations: 4.875 kB / 482.8 MB, free: 9.074 MB / 366.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002484/0.2449, allocations: 2.45 MB / 485.3 MB, free: 6.559 MB / 366.1 MB Notification: Performance of postOpt removeConstants (simulation): time 8.606e-05/0.245, allocations: 67.56 kB / 485.3 MB, free: 6.492 MB / 366.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001246/0.2451, allocations: 35.94 kB / 485.4 MB, free: 6.457 MB / 366.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004233/0.2455, allocations: 47.95 kB / 485.4 MB, free: 6.41 MB / 366.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002192/0.2457, allocations: 116.7 kB / 485.5 MB, free: 6.301 MB / 366.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.561e-05/0.2458, allocations: 35.98 kB / 485.5 MB, free: 6.266 MB / 366.1 MB Notification: Performance of sorting global known variables: time 0.000268/0.2461, allocations: 322.9 kB / 485.9 MB, free: 5.949 MB / 366.1 MB Notification: Performance of sort global known variables: time 8e-08/0.2461, allocations: 3.938 kB / 485.9 MB, free: 5.945 MB / 366.1 MB Notification: Performance of remove unused functions: time 0.0009067/0.247, allocations: 303.9 kB / 486.2 MB, free: 5.648 MB / 366.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 3 (line.i[1],line.i[2],line.i[3]) * Number of discrete variables: 47 (switch1.switch_c.closed,switch1.switch_a.closed,switch1.switch_b.closed,switch2.switch_b.closed,switch2.switch_c.closed,switch2.switch_a.closed,$whenCondition20,$whenCondition19,$whenCondition18,$whenCondition17,$whenCondition16,$whenCondition15,$whenCondition14,$whenCondition13,$whenCondition12,$whenCondition11,$whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition1,$whenCondition2,switch1.switch_a.arc,switch1.switch_a.open,switch1.switch_b.arc,switch1.switch_b.open,switch1.switch_c.arc,switch1.switch_c.open,switch2.switch_a.arc,switch2.switch_a.open,switch2.switch_b.arc,switch2.switch_b.open,switch2.switch_c.arc,switch2.switch_c.open,relay1.y[1],relay1.y[2],relay1.y[3],relay1.cnt,relay2.y[1],relay2.y[2],relay2.y[3],relay2.cnt,system.initime) * Number of discrete states: 16 (relay2.y[3],relay2.y[2],relay2.y[1],relay2.cnt,$whenCondition2,switch2.switch_a.open,switch2.switch_c.open,switch2.switch_b.open,relay1.y[3],relay1.y[2],relay1.y[1],relay1.cnt,$whenCondition1,switch1.switch_b.open,switch1.switch_a.open,switch1.switch_c.open) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (99): * Single equations (assignments): 88 * Array equations: 2 * Algorithm blocks: 2 * Record equations: 0 * When equations: 7 * 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 0.0002395/0.2472, allocations: 185.1 kB / 486.3 MB, free: 5.465 MB / 366.1 MB Notification: Performance of simCode: created initialization part: time 0.002471/0.2497, allocations: 1.913 MB / 488.3 MB, free: 3.492 MB / 366.1 MB Notification: Performance of simCode: created event and clocks part: time 3.216e-06/0.2497, allocations: 4 kB / 488.3 MB, free: 3.488 MB / 366.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0008767/0.2506, allocations: 0.8784 MB / 489.1 MB, free: 2.582 MB / 366.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006868/0.2513, allocations: 139.4 kB / 489.3 MB, free: 2.457 MB / 366.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002776/0.254, allocations: 2.281 MB / 491.6 MB, free: 136 kB / 366.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005848/0.2546, allocations: 0.5017 MB / 492.1 MB, free: 15.6 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0005612/0.2552, allocations: 231.8 kB / 492.3 MB, free: 15.37 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002542/0.2554, allocations: 64.5 kB / 492.3 MB, free: 15.3 MB / 382.1 MB Notification: Performance of SimCode: time 3.61e-07/0.2554, allocations: 4 kB / 492.4 MB, free: 15.3 MB / 382.1 MB Notification: Performance of Templates: time 0.02602/0.2815, allocations: 13.91 MB / 0.4944 GB, free: 1.551 MB / 382.1 MB " [Timeout remaining time 660] make -j1 -f PowerSystems_PowerSystems.Examples.AC3ph.Transmission.RXline.makefile [Timeout 660] (rm -f PowerSystems_PowerSystems.Examples.AC3ph.Transmission.RXline.pipe ; mkfifo PowerSystems_PowerSystems.Examples.AC3ph.Transmission.RXline.pipe ; head -c 1048576 < PowerSystems_PowerSystems.Examples.AC3ph.Transmission.RXline.pipe >> ../files/PowerSystems_PowerSystems.Examples.AC3ph.Transmission.RXline.sim & ./PowerSystems_PowerSystems.Examples.AC3ph.Transmission.RXline -abortSlowSimulation -alarm=480 -lv LOG_STATS > PowerSystems_PowerSystems.Examples.AC3ph.Transmission.RXline.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 5.391988575458527] Failed to read output from testmodel.py, exit status != 0: 0.29159699380397797 0.306034972 0.272254543 Calling exit ...