Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.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 0.00172/0.00172, allocations: 99.64 kB / 18.94 MB, free: 2.551 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 0.002223/0.002223, allocations: 217.8 kB / 22.24 MB, free: 4.855 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 1.487/1.487, allocations: 230.6 MB / 256 MB, free: 7.996 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 3.319/3.319, allocations: 0.5107 GB / 0.8158 GB, free: 17.8 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer,fileNamePrefix="Buildings_latest_Buildings_Applications_DataCenters_ChillerCooled_Examples_IntegratedPrimaryLoadSideEconomizer",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer,fileNamePrefix="Buildings_latest_Buildings_Applications_DataCenters_ChillerCooled_Examples_IntegratedPrimaryLoadSideEconomizer",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Buildings 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 0.002326/0.002326, allocations: 68.47 kB / 1.186 GB, free: 13.77 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3565/0.3588, allocations: 181.8 MB / 1.363 GB, free: 13.99 MB / 1.061 GB Notification: Performance of NFInst.instantiate(Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer): time 2.913/3.272, allocations: 0.9886 GB / 2.352 GB, free: 192.2 MB / 1.764 GB Notification: Performance of NFInst.instExpressions: time 0.1541/3.426, allocations: 112.8 MB / 2.462 GB, free: 190.8 MB / 1.764 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.03448/3.461, allocations: 0.9459 MB / 2.463 GB, free: 190.8 MB / 1.764 GB Notification: Performance of NFTyping.typeComponents: time 0.02877/3.489, allocations: 8.969 MB / 2.472 GB, free: 190.6 MB / 1.764 GB Notification: Performance of NFTyping.typeBindings: time 0.07053/3.56, allocations: 23.99 MB / 2.495 GB, free: 189.8 MB / 1.764 GB Notification: Performance of NFTyping.typeClassSections: time 0.03708/3.597, allocations: 15.3 MB / 2.51 GB, free: 185.8 MB / 1.764 GB Notification: Performance of NFFlatten.flatten: time 0.1125/3.709, allocations: 83.94 MB / 2.592 GB, free: 156.5 MB / 1.764 GB Notification: Performance of NFFlatten.resolveConnections: time 0.04533/3.755, allocations: 18.46 MB / 2.61 GB, free: 143.8 MB / 1.764 GB Notification: Performance of NFEvalConstants.evaluate: time 0.05429/3.809, allocations: 23.65 MB / 2.633 GB, free: 128.5 MB / 1.764 GB Notification: Performance of NFSimplifyModel.simplify: time 0.04175/3.851, allocations: 18.01 MB / 2.651 GB, free: 111.6 MB / 1.764 GB Notification: Performance of NFPackage.collectConstants: time 0.01168/3.863, allocations: 2.789 MB / 2.654 GB, free: 108.8 MB / 1.764 GB Notification: Performance of NFFlatten.collectFunctions: time 0.03893/3.901, allocations: 12.57 MB / 2.666 GB, free: 97.03 MB / 1.764 GB Notification: Performance of NFScalarize.scalarize: time 0.01245/3.914, allocations: 8.606 MB / 2.674 GB, free: 88.58 MB / 1.764 GB Notification: Performance of NFVerifyModel.verify: time 0.03004/3.944, allocations: 11.81 MB / 2.686 GB, free: 76.88 MB / 1.764 GB Notification: Performance of NFConvertDAE.convert: time 0.07455/4.018, allocations: 49.41 MB / 2.734 GB, free: 28.94 MB / 1.764 GB Notification: Performance of FrontEnd - DAE generated: time 1.24e-05/4.018, allocations: 0 / 2.734 GB, free: 28.94 MB / 1.764 GB Notification: Performance of FrontEnd: time 5.66e-06/4.018, allocations: 0 / 2.734 GB, free: 28.94 MB / 1.764 GB Notification: Performance of Transformations before backend: time 0.001609/4.02, allocations: 0 / 2.734 GB, free: 28.94 MB / 1.764 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 3469 * Number of variables: 3469 Notification: Performance of Generate backend data structure: time 0.07733/4.097, allocations: 30.71 MB / 2.764 GB, free: 14.31 MB / 1.779 GB Notification: Performance of prepare preOptimizeDAE: time 5.35e-05/4.097, allocations: 12.75 kB / 2.764 GB, free: 14.3 MB / 1.779 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.006433/4.104, allocations: 1.774 MB / 2.766 GB, free: 12.52 MB / 1.779 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.09117/4.195, allocations: 13.67 MB / 2.779 GB, free: 14.87 MB / 1.795 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.1476/4.343, allocations: 43.38 MB / 2.822 GB, free: 4.363 MB / 1.826 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002975/4.346, allocations: 1.428 MB / 2.823 GB, free: 2.891 MB / 1.826 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.008979/4.355, allocations: 1.452 MB / 2.824 GB, free: 1.445 MB / 1.826 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.09715/4.452, allocations: 26.95 MB / 2.851 GB, free: 5.703 MB / 1.857 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0005925/4.452, allocations: 35.69 kB / 2.851 GB, free: 5.668 MB / 1.857 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00589/4.458, allocations: 0.5555 MB / 2.851 GB, free: 5.117 MB / 1.857 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000706/4.459, allocations: 0.5253 MB / 2.852 GB, free: 4.59 MB / 1.857 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.1032/4.562, allocations: 29.02 MB / 2.88 GB, free: 7.582 MB / 1.889 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 0.2712/4.833, allocations: 78.26 MB / 2.957 GB, free: 9.367 MB / 1.967 GB Notification: Performance of preOpt comSubExp (simulation): time 0.05081/4.884, allocations: 17.64 MB / 2.974 GB, free: 7.879 MB / 1.982 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.03745/4.922, allocations: 11.6 MB / 2.985 GB, free: 12.28 MB / 1.998 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 evalFunc (simulation): time 0.08648/5.008, allocations: 27.69 MB / 3.012 GB, free: 0.6758 MB / 2.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.04547/5.054, allocations: 14.42 MB / 3.026 GB, free: 1.855 MB / 2.029 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01825/5.072, allocations: 1.766 MB / 3.028 GB, free: 108 kB / 2.029 GB Notification: Performance of pre-optimization done (n=1075): time 5.592e-05/5.072, allocations: 0 / 3.028 GB, free: 108 kB / 2.029 GB Notification: Performance of matching and sorting (n=1086): time 1.033/6.105, allocations: 61.77 MB / 3.088 GB, free: 0.8952 GB / 2.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002194/6.105, allocations: 320.1 kB / 3.089 GB, free: 0.895 GB / 2.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.05363/6.159, allocations: 23.76 MB / 3.112 GB, free: 0.8873 GB / 2.045 GB Notification: Performance of collectPreVariables (initialization): time 0.003815/6.163, allocations: 346.5 kB / 3.112 GB, free: 0.8871 GB / 2.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.01399/6.177, allocations: 10.67 MB / 3.123 GB, free: 0.8797 GB / 2.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.00566/6.183, allocations: 3.677 MB / 3.126 GB, free: 0.8772 GB / 2.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01487/6.197, allocations: 3.649 MB / 3.13 GB, free: 0.8757 GB / 2.045 GB Notification: Performance of setup shared object (initialization): time 4.22e-05/6.197, allocations: 301.7 kB / 3.13 GB, free: 0.8754 GB / 2.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03598/6.233, allocations: 13.66 MB / 3.143 GB, free: 0.8712 GB / 2.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.04041/6.274, allocations: 19.81 MB / 3.163 GB, free: 0.8532 GB / 2.045 GB Notification: It was not possible to check the given initialization system for consistency symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet. Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: ahu.cooCoi.heaCooHum_u.vol.dynBal.medium.p = ahu.cooCoi.heaCooHum_u.vol.dynBal.p_start (ahu.fan.vol.dynBal.p_start = ahu.cooCoi.heaCooHum_u.vol.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.3005/6.574, allocations: 88.46 MB / 3.249 GB, free: 0.7668 GB / 2.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001002/6.574, allocations: 24 kB / 3.249 GB, free: 0.7668 GB / 2.045 GB Notification: Performance of matching and sorting (n=2072) (initialization): time 0.09942/6.674, allocations: 34.73 MB / 3.283 GB, free: 0.7328 GB / 2.045 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001622/6.674, allocations: 36 kB / 3.283 GB, free: 0.7328 GB / 2.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000197/6.674, allocations: 76 kB / 3.283 GB, free: 0.7327 GB / 2.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01189/6.686, allocations: 3.458 MB / 3.286 GB, free: 0.7293 GB / 2.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02562/6.712, allocations: 4.614 MB / 3.291 GB, free: 0.7248 GB / 2.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01671/6.728, allocations: 18.92 MB / 3.309 GB, free: 0.7055 GB / 2.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.03051/6.759, allocations: 2.474 MB / 3.312 GB, free: 0.7031 GB / 2.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004313/6.763, allocations: 0.7847 MB / 3.313 GB, free: 0.7023 GB / 2.045 GB Warning: The initial conditions are over specified. The following 3 initial equations are redundant, so they are removed from the initialization system: ahu.cooCoi.UAFroRated.TAirIn = 293.15 ahu.cooCoi.UAFroRated.TWatIn = 293.15 ahu.cooCoi.heaCooHum_u.vol.dynBal.medium.p = ahu.cooCoi.heaCooHum_u.vol.dynBal.p_start. Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.05117/6.814, allocations: 19.63 MB / 3.332 GB, free: 0.6831 GB / 2.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03936/6.854, allocations: 19.11 MB / 3.35 GB, free: 0.6626 GB / 2.045 GB Notification: It was not possible to check the given initialization system for consistency symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet. Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: ahu.cooCoi.heaCooHum_u.vol.dynBal.medium.p = ahu.cooCoi.heaCooHum_u.vol.dynBal.p_start (ahu.fan.vol.dynBal.p_start = ahu.cooCoi.heaCooHum_u.vol.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.2947/7.148, allocations: 85.64 MB / 3.434 GB, free: 0.5779 GB / 2.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 0.0001696/7.149, allocations: 20 kB / 3.434 GB, free: 0.5779 GB / 2.045 GB Notification: Performance of matching and sorting (n=2072) (initialization_lambda0): time 0.09542/7.244, allocations: 33.15 MB / 3.466 GB, free: 0.5454 GB / 2.045 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001124/7.244, allocations: 36 kB / 3.467 GB, free: 0.5454 GB / 2.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001441/7.244, allocations: 76 kB / 3.467 GB, free: 0.5453 GB / 2.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.009937/7.254, allocations: 2.952 MB / 3.469 GB, free: 0.5424 GB / 2.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0242/7.278, allocations: 4.633 MB / 3.474 GB, free: 0.5379 GB / 2.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02315/7.302, allocations: 24.09 MB / 3.498 GB, free: 0.5133 GB / 2.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02911/7.331, allocations: 2.567 MB / 3.5 GB, free: 0.5108 GB / 2.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003766/7.334, allocations: 0.7494 MB / 3.501 GB, free: 0.5101 GB / 2.045 GB Warning: The initial conditions are over specified. The following 3 initial equations are redundant, so they are removed from the initialization_lambda0 system: ahu.cooCoi.UAFroRated.TAirIn = 293.15 ahu.cooCoi.UAFroRated.TWatIn = 293.15 ahu.cooCoi.heaCooHum_u.vol.dynBal.medium.p = ahu.cooCoi.heaCooHum_u.vol.dynBal.p_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 343 * Number of states: 0 () * Number of discrete variables: 317 (ahu.cooCoi.UAFroRated.isFulWet,ahu.cooCoi.UAFroRated.isFulDry,$PRE.ahu.heaCon.offToOn.enableFire,$PRE.ahu.heaCon.onToOff.enableFire,$PRE.chiStaCon.con1.enableFire,$PRE.chiStaCon.con2.enableFire,$PRE.chiStaCon.con3.enableFire,$PRE.chiStaCon.con4.enableFire,$PRE.CWPumCon.con1.enableFire,$PRE.CWPumCon.con2.enableFire,$PRE.CWPumCon.con3.enableFire,$PRE.CWPumCon.con4.enableFire,$PRE.varSpeCon.con1.enableFire,$PRE.varSpeCon.con2.enableFire,$PRE.varSpeCon.con3.enableFire,$PRE.varSpeCon.con4.enableFire,$PRE.cooModCon.con1.enableFire,$PRE.cooModCon.con2.enableFire,$PRE.cooModCon.con3.enableFire,$PRE.cooModCon.con4.enableFire,swiTim.y,$PRE.swiTim.y,cooModCon.stateGraphRoot.resume,cooModCon.stateGraphRoot.suspend,varSpeCon.stateGraphRoot.resume,varSpeCon.stateGraphRoot.suspend,CWPumCon.stateGraphRoot.resume,CWPumCon.stateGraphRoot.suspend,chiStaCon.stateGraphRoot.resume,chiStaCon.stateGraphRoot.suspend,ahu.heaCon.stateGraphRoot.resume,ahu.heaCon.stateGraphRoot.suspend,CWPumCon.zer.y,chiWSE.chiPar.chi[2].tru.y,chiWSE.chiPar.chi[1].tru.y,swiTim.local_set,swiTim.local_reset,ahu.cooCoi.flowRegime_nominal,ahu.cooCoi.dryWetCalcs.fullyDry.cfg,ahu.cooCoi.dryWetCalcs.fullyWet.cfg,ahu.cooCoi.dryWetCalcs.cfg,ahu.cooCoi.flowRegime,$PRE.cooModCon.swi.y,$PRE.cooModCon.con4.t_start,$PRE.cooModCon.con3.t_start,$PRE.cooModCon.con2.t_start,$PRE.cooModCon.fulMecCoo.oldActive,$PRE.cooModCon.fulMecCoo.newActive,$PRE.cooModCon.fulMecCoo.localActive,$PRE.cooModCon.freCoo.oldActive,$PRE.cooModCon.freCoo.newActive,$PRE.cooModCon.freCoo.localActive,$PRE.cooModCon.parMecCoo.oldActive,$PRE.cooModCon.parMecCoo.newActive,$PRE.cooModCon.parMecCoo.localActive,$PRE.cooModCon.con1.t_start,$PRE.varSpeCon.con4.t_start,$PRE.varSpeCon.con3.t_start,$PRE.varSpeCon.con2.t_start,$PRE.varSpeCon.twoOn.oldActive,$PRE.varSpeCon.twoOn.newActive,$PRE.varSpeCon.twoOn.localActive,$PRE.varSpeCon.off.oldActive,$PRE.varSpeCon.off.newActive,$PRE.varSpeCon.off.localActive,$PRE.varSpeCon.oneOn.oldActive,$PRE.varSpeCon.oneOn.newActive,$PRE.varSpeCon.oneOn.localActive,$PRE.varSpeCon.con1.t_start,$PRE.CWPumCon.con4.t_start,$PRE.CWPumCon.con3.t_start,$PRE.CWPumCon.con2.t_start,$PRE.CWPumCon.twoOn.oldActive,$PRE.CWPumCon.twoOn.newActive,$PRE.CWPumCon.twoOn.localActive,$PRE.CWPumCon.off.oldActive,$PRE.CWPumCon.off.newActive,$PRE.CWPumCon.off.localActive,$PRE.CWPumCon.oneOn.oldActive,$PRE.CWPumCon.oneOn.newActive,$PRE.CWPumCon.oneOn.localActive,$PRE.CWPumCon.con1.t_start,$PRE.chiStaCon.con4.t_start,$PRE.chiStaCon.con3.t_start,$PRE.chiStaCon.con2.t_start,$PRE.chiStaCon.twoOn.oldActive,$PRE.chiStaCon.twoOn.newActive,$PRE.chiStaCon.twoOn.localActive,$PRE.chiStaCon.off.oldActive,$PRE.chiStaCon.off.newActive,$PRE.chiStaCon.off.localActive,$PRE.chiStaCon.oneOn.oldActive,$PRE.chiStaCon.oneOn.newActive,$PRE.chiStaCon.oneOn.localActive,$PRE.chiStaCon.con1.t_start,$PRE.ahu.heaCon.onToOff.t_start,$PRE.ahu.heaCon.offToOn.t_start,$PRE.ahu.heaCon.on.oldActive,$PRE.ahu.heaCon.on.newActive,$PRE.ahu.heaCon.on.localActive,$PRE.ahu.heaCon.off.oldActive,$PRE.ahu.heaCon.off.newActive,$PRE.ahu.heaCon.off.localActive,$PRE.chiWSE.pum.hys[2].y,$PRE.chiWSE.pum.hys[1].y,cooModCon.swi.expr[3],cooModCon.swi.expr[2],cooModCon.swi.expr[1],cooModCon.swi.firstActiveIndex,cooModCon.swi.y,cooModCon.stateGraphRoot.activeSteps,cooModCon.con4.t_start,cooModCon.con4.fire,cooModCon.con4.enableFire,cooModCon.con4.localCondition,cooModCon.con3.t_start,cooModCon.con3.fire,cooModCon.con3.enableFire,cooModCon.con3.localCondition,cooModCon.con2.t_start,cooModCon.con2.fire,cooModCon.con2.enableFire,cooModCon.con2.localCondition,cooModCon.fulMecCoo.active,cooModCon.fulMecCoo.oldActive,cooModCon.fulMecCoo.newActive,cooModCon.fulMecCoo.localActive,cooModCon.freCoo.active,cooModCon.freCoo.oldActive,cooModCon.freCoo.newActive,cooModCon.freCoo.localActive,cooModCon.parMecCoo.active,cooModCon.parMecCoo.oldActive,cooModCon.parMecCoo.newActive,cooModCon.parMecCoo.outPort[2].available,cooModCon.parMecCoo.inPort[2].occupied,cooModCon.parMecCoo.localActive,cooModCon.con1.t_start,cooModCon.con1.fire,cooModCon.con1.enableFire,cooModCon.con1.localCondition,chiOnSta.y,chiOnSta.u[2],chiOnSta.u[1],swi[2].u2,varSpeCon.addInt.y,varSpeCon.booToInt1.y,varSpeCon.booToInt.y,varSpeCon.stateGraphRoot.activeSteps,varSpeCon.con4.t_start,varSpeCon.con4.fire,varSpeCon.con4.enableFire,varSpeCon.con4.localCondition,varSpeCon.con3.t_start,varSpeCon.con3.fire,varSpeCon.con3.enableFire,varSpeCon.con3.localCondition,varSpeCon.con2.t_start,varSpeCon.con2.fire,varSpeCon.con2.enableFire,varSpeCon.con2.localCondition,varSpeCon.twoOn.active,varSpeCon.twoOn.oldActive,varSpeCon.twoOn.newActive,varSpeCon.twoOn.localActive,varSpeCon.off.oldActive,varSpeCon.off.newActive,varSpeCon.off.localActive,varSpeCon.off.active,varSpeCon.oneOn.active,varSpeCon.oneOn.oldActive,varSpeCon.oneOn.newActive,varSpeCon.oneOn.outPort[2].available,varSpeCon.oneOn.inPort[2].occupied,varSpeCon.oneOn.localActive,varSpeCon.con1.t_start,varSpeCon.con1.fire,varSpeCon.con1.enableFire,varSpeCon.con1.localCondition,cooTowSpeCon.fmcMod.y,cooTowSpeCon.pmcMod.y,chiNumOn.y,CWPumCon.intSwi.y,CWPumCon.addInt.y,CWPumCon.booToInt1.y,CWPumCon.booToInt.y,CWPumCon.stateGraphRoot.activeSteps,CWPumCon.con4.t_start,CWPumCon.con4.fire,CWPumCon.con4.enableFire,CWPumCon.con4.localCondition,CWPumCon.con3.t_start,CWPumCon.con3.fire,CWPumCon.con3.enableFire,CWPumCon.con3.localCondition,CWPumCon.con2.t_start,CWPumCon.con2.fire,CWPumCon.con2.enableFire,CWPumCon.con2.localCondition,CWPumCon.twoOn.active,CWPumCon.twoOn.oldActive,CWPumCon.twoOn.newActive,CWPumCon.twoOn.localActive,CWPumCon.off.oldActive,CWPumCon.off.newActive,CWPumCon.off.localActive,CWPumCon.off.active,CWPumCon.oneOn.active,CWPumCon.oneOn.oldActive,CWPumCon.oneOn.newActive,CWPumCon.oneOn.outPort[2].available,CWPumCon.oneOn.inPort[2].occupied,CWPumCon.oneOn.localActive,CWPumCon.con1.t_start,CWPumCon.con1.fire,CWPumCon.con1.enableFire,CWPumCon.con1.localCondition,chiStaCon.addInt.y,chiStaCon.booToInt1.y,chiStaCon.booToInt.y,chiStaCon.stateGraphRoot.activeSteps,chiStaCon.con4.t_start,chiStaCon.con4.fire,chiStaCon.con4.enableFire,chiStaCon.con4.localCondition,chiStaCon.con3.t_start,chiStaCon.con3.fire,chiStaCon.con3.enableFire,chiStaCon.con3.localCondition,chiStaCon.con2.t_start,chiStaCon.con2.fire,chiStaCon.con2.enableFire,chiStaCon.con2.localCondition,chiStaCon.twoOn.active,chiStaCon.twoOn.oldActive,chiStaCon.twoOn.newActive,chiStaCon.twoOn.localActive,chiStaCon.off.oldActive,chiStaCon.off.newActive,chiStaCon.off.localActive,chiStaCon.off.active,chiStaCon.oneOn.active,chiStaCon.oneOn.oldActive,chiStaCon.oneOn.newActive,chiStaCon.oneOn.outPort[2].available,chiStaCon.oneOn.inPort[2].occupied,chiStaCon.oneOn.localActive,chiStaCon.con1.t_start,chiStaCon.con1.fire,chiStaCon.con1.enableFire,chiStaCon.con1.localCondition,ahu.heaCon.stateGraphRoot.activeSteps,ahu.heaCon.onToOff.t_start,ahu.heaCon.onToOff.fire,ahu.heaCon.onToOff.enableFire,ahu.heaCon.onToOff.localCondition,ahu.heaCon.offToOn.t_start,ahu.heaCon.offToOn.fire,ahu.heaCon.offToOn.enableFire,ahu.heaCon.offToOn.localCondition,ahu.heaCon.on.active,ahu.heaCon.on.oldActive,ahu.heaCon.on.newActive,ahu.heaCon.on.localActive,ahu.heaCon.off.active,ahu.heaCon.off.oldActive,ahu.heaCon.off.newActive,ahu.heaCon.off.localActive,weaData.decAng.tNext,$PRE.weaData.decAng.tNext,weaData.eqnTim.tNext,$PRE.weaData.eqnTim.tNext,weaData.conTim.tNext,$PRE.weaData.conTim.tNext,weaData.conTimMin.tNext,$PRE.weaData.conTimMin.tNext,weaData.locTim.tNext,$PRE.weaData.locTim.tNext,chiWSE.pum.hys[2].y,chiWSE.pum.hys[1].y,chiWSE.on[3],sigCha.y,sigCha.u,$PRE.sigCha.u,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10,$whenCondition11,$whenCondition12,$whenCondition13,$whenCondition14,$whenCondition15,$whenCondition16,$whenCondition17,$whenCondition18,$whenCondition19,$whenCondition20,$whenCondition21,$whenCondition22,$whenCondition23,$whenCondition24,ahuFanSpeCon.I.trigger_internal,ahuValSig.I.trigger_internal,pumSpe.I.trigger_internal,cooTowSpeCon.conPID.I.trigger_internal,EIT.local_reset,EHVAC.local_reset,FMCHou.trigger_internal,PMCTim.trigger_internal,FCTim.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1736): * Single equations (assignments): 1699 * Array equations: 15 * Algorithm blocks: 0 * Record equations: 5 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 7 * Torn equation systems: 10 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 7 systems {1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,5,100.0%), (1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 8 systems {(1,1), (1,3), (1,2), (8,48), (6,39), (3,5), (1,8), (1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.00611/7.341, allocations: 1.178 MB / 3.502 GB, free: 0.5089 GB / 2.045 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007396/7.348, allocations: 2.173 MB / 3.504 GB, free: 0.5068 GB / 2.045 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.08517/7.433, allocations: 26.55 MB / 3.53 GB, free: 492.4 MB / 2.045 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0001778/7.433, allocations: 128 kB / 3.53 GB, free: 492.3 MB / 2.045 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.473e-05/7.433, allocations: 0 / 3.53 GB, free: 492.3 MB / 2.045 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.06754/7.501, allocations: 21.78 MB / 3.551 GB, free: 470.4 MB / 2.045 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.1282/7.629, allocations: 46.01 MB / 3.596 GB, free: 424.4 MB / 2.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001031/7.629, allocations: 0 / 3.596 GB, free: 424.4 MB / 2.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.02027/7.65, allocations: 3.522 MB / 3.6 GB, free: 420.9 MB / 2.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00536/7.655, allocations: 1.638 MB / 3.601 GB, free: 419.3 MB / 2.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.002893/7.658, allocations: 347.7 kB / 3.602 GB, free: 418.9 MB / 2.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0101/7.668, allocations: 13.85 MB / 3.615 GB, free: 404.4 MB / 2.045 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.574e-06/7.668, allocations: 0 / 3.615 GB, free: 404.4 MB / 2.045 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.1058/7.774, allocations: 38.41 MB / 3.653 GB, free: 365.8 MB / 2.045 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01685/7.791, allocations: 4.549 MB / 3.657 GB, free: 361.3 MB / 2.045 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007817/7.798, allocations: 232 kB / 3.657 GB, free: 361 MB / 2.045 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0246/7.823, allocations: 2.224 MB / 3.66 GB, free: 358.8 MB / 2.045 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.003133/7.826, allocations: 0.9373 MB / 3.66 GB, free: 357.9 MB / 2.045 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.002613/7.829, allocations: 471.8 kB / 3.661 GB, free: 357.4 MB / 2.045 GB Notification: Performance of sorting global known variables: time 0.03229/7.861, allocations: 16.17 MB / 3.677 GB, free: 341.4 MB / 2.045 GB Notification: Performance of sort global known variables: time 3.61e-07/7.861, allocations: 4 kB / 3.677 GB, free: 341.4 MB / 2.045 GB Notification: Performance of remove unused functions: time 0.03821/7.899, allocations: 9.371 MB / 3.686 GB, free: 332 MB / 2.045 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 41 (FCTim.y,PMCTim.y,FMCHou.y,EHVAC.y,EIT.y,chiWSE.chiPar.chi[1].vol1.dynBal.U,chiWSE.chiPar.chi[1].vol2.dynBal.U,chiWSE.chiPar.chi[2].vol1.dynBal.U,chiWSE.chiPar.chi[2].vol2.dynBal.U,chiWSE.senTem.T,chiWSE.pum.pum[1].vol.dynBal.U,chiWSE.pum.pum[1].motSpe.y,chiWSE.pum.pum[2].vol.dynBal.U,chiWSE.pum.pum[2].motSpe.y,cooTow[1].vol.dynBal.U,cooTow[2].vol.dynBal.U,TCHWSup.T,TCWSup.T,TCWRet.T,pumCW[1].vol.dynBal.U,pumCW[2].vol.dynBal.U,ahu.cooCoi.heaCoo.vol.dynBal.U,ahu.cooCoi.heaCooHum_u.vol.dynBal.medium.Xi[1],ahu.cooCoi.heaCooHum_u.vol.dynBal.U,ahu.cooCoi.dryWetCalcs.fullyWet.TWatOutEst,ahu.fan.vol.dynBal.medium.Xi[1],ahu.fan.vol.dynBal.U,ahu.fan.vol.dynBal.m,ahu.fan.motSpe.y,ahu.hum.outCon.T,ahu.hum.outCon.Xi,ahu.eleHea.hea.outCon.T,TCHWRet.T,TAirSup.T,roo.rooVol.dynBal.medium.Xi[1],roo.rooVol.dynBal.U,roo.rooVol.dynBal.m,cooTowSpeCon.conPID.I.y,pumSpe.I.y,ahuValSig.I.y,ahuFanSpeCon.I.y) * Number of discrete variables: 195 (cooModCon.con3.enableFire,chiStaCon.con3.enableFire,chiStaCon.con4.enableFire,CWPumCon.con3.enableFire,CWPumCon.con4.enableFire,varSpeCon.con3.enableFire,varSpeCon.con4.enableFire,cooModCon.con4.enableFire,chiStaCon.con2.enableFire,cooModCon.con2.enableFire,cooModCon.con1.enableFire,varSpeCon.con2.enableFire,varSpeCon.con1.enableFire,CWPumCon.con2.enableFire,CWPumCon.con1.enableFire,chiStaCon.con1.enableFire,ahu.heaCon.offToOn.enableFire,ahu.heaCon.onToOff.enableFire,sigCha.y,cooModCon.fulMecCoo.active,cooModCon.freCoo.active,cooModCon.parMecCoo.active,varSpeCon.twoOn.active,varSpeCon.off.localActive,varSpeCon.oneOn.active,CWPumCon.twoOn.active,CWPumCon.off.localActive,CWPumCon.oneOn.active,chiStaCon.twoOn.active,chiStaCon.off.localActive,chiStaCon.oneOn.active,ahu.heaCon.on.active,ahu.heaCon.off.active,$whenCondition24,$whenCondition23,$whenCondition22,$whenCondition21,$whenCondition20,$whenCondition19,$whenCondition18,$whenCondition17,$whenCondition16,$whenCondition15,$whenCondition14,$whenCondition13,$whenCondition12,$whenCondition11,$whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,sigCha.u,swiTim.y,chiWSE.on[3],chiWSE.pum.hys[1].y,chiWSE.pum.hys[2].y,weaData.locTim.tNext,weaData.conTimMin.tNext,weaData.conTim.tNext,weaData.eqnTim.tNext,weaData.decAng.tNext,ahu.heaCon.off.localActive,ahu.heaCon.off.newActive,ahu.heaCon.off.oldActive,ahu.heaCon.on.localActive,ahu.heaCon.on.newActive,ahu.heaCon.on.oldActive,ahu.heaCon.offToOn.localCondition,ahu.heaCon.offToOn.fire,ahu.heaCon.offToOn.t_start,ahu.heaCon.onToOff.localCondition,ahu.heaCon.onToOff.fire,ahu.heaCon.onToOff.t_start,ahu.heaCon.stateGraphRoot.activeSteps,chiStaCon.con1.localCondition,chiStaCon.con1.fire,chiStaCon.con1.t_start,chiStaCon.oneOn.localActive,chiStaCon.oneOn.inPort[2].occupied,chiStaCon.oneOn.outPort[2].available,chiStaCon.oneOn.newActive,chiStaCon.oneOn.oldActive,chiStaCon.off.active,chiStaCon.off.newActive,chiStaCon.off.oldActive,chiStaCon.twoOn.localActive,chiStaCon.twoOn.newActive,chiStaCon.twoOn.oldActive,chiStaCon.con2.localCondition,chiStaCon.con2.fire,chiStaCon.con2.t_start,chiStaCon.con3.localCondition,chiStaCon.con3.fire,chiStaCon.con3.t_start,chiStaCon.con4.localCondition,chiStaCon.con4.fire,chiStaCon.con4.t_start,chiStaCon.stateGraphRoot.activeSteps,chiStaCon.booToInt.y,chiStaCon.booToInt1.y,chiStaCon.addInt.y,CWPumCon.con1.localCondition,CWPumCon.con1.fire,CWPumCon.con1.t_start,CWPumCon.oneOn.localActive,CWPumCon.oneOn.inPort[2].occupied,CWPumCon.oneOn.outPort[2].available,CWPumCon.oneOn.newActive,CWPumCon.oneOn.oldActive,CWPumCon.off.active,CWPumCon.off.newActive,CWPumCon.off.oldActive,CWPumCon.twoOn.localActive,CWPumCon.twoOn.newActive,CWPumCon.twoOn.oldActive,CWPumCon.con2.localCondition,CWPumCon.con2.fire,CWPumCon.con2.t_start,CWPumCon.con3.localCondition,CWPumCon.con3.fire,CWPumCon.con3.t_start,CWPumCon.con4.localCondition,CWPumCon.con4.fire,CWPumCon.con4.t_start,CWPumCon.stateGraphRoot.activeSteps,CWPumCon.booToInt.y,CWPumCon.booToInt1.y,CWPumCon.addInt.y,CWPumCon.intSwi.y,chiNumOn.y,cooTowSpeCon.pmcMod.y,cooTowSpeCon.fmcMod.y,varSpeCon.con1.localCondition,varSpeCon.con1.fire,varSpeCon.con1.t_start,varSpeCon.oneOn.localActive,varSpeCon.oneOn.inPort[2].occupied,varSpeCon.oneOn.outPort[2].available,varSpeCon.oneOn.newActive,varSpeCon.oneOn.oldActive,varSpeCon.off.active,varSpeCon.off.newActive,varSpeCon.off.oldActive,varSpeCon.twoOn.localActive,varSpeCon.twoOn.newActive,varSpeCon.twoOn.oldActive,varSpeCon.con2.localCondition,varSpeCon.con2.fire,varSpeCon.con2.t_start,varSpeCon.con3.localCondition,varSpeCon.con3.fire,varSpeCon.con3.t_start,varSpeCon.con4.localCondition,varSpeCon.con4.fire,varSpeCon.con4.t_start,varSpeCon.stateGraphRoot.activeSteps,varSpeCon.booToInt.y,varSpeCon.booToInt1.y,varSpeCon.addInt.y,swi[2].u2,chiOnSta.u[1],chiOnSta.u[2],chiOnSta.y,cooModCon.con1.localCondition,cooModCon.con1.fire,cooModCon.con1.t_start,cooModCon.parMecCoo.localActive,cooModCon.parMecCoo.inPort[2].occupied,cooModCon.parMecCoo.outPort[2].available,cooModCon.parMecCoo.newActive,cooModCon.parMecCoo.oldActive,cooModCon.freCoo.localActive,cooModCon.freCoo.newActive,cooModCon.freCoo.oldActive,cooModCon.fulMecCoo.localActive,cooModCon.fulMecCoo.newActive,cooModCon.fulMecCoo.oldActive,cooModCon.con2.localCondition,cooModCon.con2.fire,cooModCon.con2.t_start,cooModCon.con3.localCondition,cooModCon.con3.fire,cooModCon.con3.t_start,cooModCon.con4.localCondition,cooModCon.con4.fire,cooModCon.con4.t_start,cooModCon.stateGraphRoot.activeSteps,cooModCon.swi.y,cooModCon.swi.firstActiveIndex) * Number of discrete states: 24 (weaData.locTim.tNext,weaData.conTim.tNext,weaData.eqnTim.tNext,weaData.decAng.tNext,weaData.conTimMin.tNext,ahu.heaCon.off.newActive,ahu.heaCon.on.newActive,chiStaCon.oneOn.newActive,chiStaCon.off.newActive,chiStaCon.twoOn.newActive,CWPumCon.oneOn.newActive,CWPumCon.off.newActive,CWPumCon.twoOn.newActive,varSpeCon.oneOn.newActive,varSpeCon.off.newActive,varSpeCon.twoOn.newActive,cooModCon.parMecCoo.newActive,cooModCon.freCoo.newActive,cooModCon.fulMecCoo.newActive,cooModCon.swi.y,sigCha.u,chiWSE.pum.hys[1].y,chiWSE.pum.hys[2].y,swiTim.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (1111): * Single equations (assignments): 1029 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 31 * When equations: 38 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 10 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,5,100.0%), (1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 8 systems {(1,1), (1,2), (1,1), (4,28), (1,3), (1,8), (3,5), (8,39)} Notification: Performance of Backend phase and start with SimCode phase: time 0.1106/8.01, allocations: 41.91 MB / 3.727 GB, free: 290.4 MB / 2.045 GB Notification: Performance of simCode: created initialization part: time 0.1155/8.125, allocations: 44.27 MB / 3.77 GB, free: 246 MB / 2.045 GB Notification: Performance of simCode: created event and clocks part: time 1.147e-05/8.125, allocations: 5.812 kB / 3.77 GB, free: 246 MB / 2.045 GB Notification: Performance of simCode: created simulation system equations: time 0.03446/8.16, allocations: 12.23 MB / 3.782 GB, free: 233.7 MB / 2.045 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05682/8.217, allocations: 11.65 MB / 3.793 GB, free: 222.4 MB / 2.045 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.976/10.19, allocations: 252.2 MB / 4.04 GB, free: 0.8505 GB / 2.045 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.02292/10.22, allocations: 12.93 MB / 4.052 GB, free: 0.8494 GB / 2.045 GB Notification: Performance of simCode: alias equations: time 0.04173/10.26, allocations: 7.96 MB / 4.06 GB, free: 0.8492 GB / 2.045 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02467/10.28, allocations: 11.2 MB / 4.071 GB, free: 0.8436 GB / 2.045 GB Notification: Performance of SimCode: time 1.203e-06/10.28, allocations: 0 / 4.071 GB, free: 0.8436 GB / 2.045 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.852/11.13, allocations: 0.6924 GB / 4.763 GB, free: 206.5 MB / 2.045 GB Notification: Performance of buildModelFMU: Generate platform static: time 142.6/153.7, allocations: 13.02 kB / 4.763 GB, free: 206.5 MB / 2.045 GB " [Timeout remaining time 146] (rm -f Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.pipe ; mkfifo Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.pipe ; head -c 1048576 < Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.pipe >> ../files/Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer_res.csv --start-time 0 --stop-time 86400 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 34.56 Buildings_latest_Buildings_Applications_DataCenters_ChillerCooled_Examples_IntegratedPrimaryLoadSideEconomizer.fmu > Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.pipe 2>&1) [Timeout 840.0] [Calling os._exit(0), Time elapsed: 161.47182511305436] Failed to read output from testmodel.py, exit status != 0: 154.37445220770314 154.389818687 150.367489969 Calling exit ...