Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Applications_DataCenters_ChillerCooled_Examples_IntegratedPrimaryLoadSideEconomizer",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Applications_DataCenters_ChillerCooled_Examples_IntegratedPrimaryLoadSideEconomizer",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.395/1.395, allocations: 252 MB / 267.3 MB, free: 10.84 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009434/0.0009434, allocations: 176.5 kB / 327 MB, free: 2.094 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.599/1.599, allocations: 205.4 MB / 0.578 GB, free: 20.11 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008006/0.0008007, allocations: 89.59 kB / 0.6826 GB, free: 12.74 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0003397/0.0003398, allocations: 10.25 kB / 0.7971 GB, free: 135.1 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1965/0.1968, allocations: 106.4 MB / 0.9009 GB, free: 63.37 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer): time 1.897/2.094, allocations: 0.8854 GB / 1.786 GB, free: 5.543 MB / 1.042 GB Notification: Performance of NFInst.instExpressions: time 0.8937/2.988, allocations: 105.5 MB / 1.889 GB, free: 82.48 MB / 1.057 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.03498/3.023, allocations: 0.5139 MB / 1.89 GB, free: 82.48 MB / 1.057 GB Notification: Performance of NFTyping.typeComponents: time 0.02483/3.048, allocations: 6.132 MB / 1.896 GB, free: 82.36 MB / 1.057 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-105:25:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘ contains a call to impure function ‘Modelica.Utilities.Streams.readLine‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-48:21:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLongitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-48:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLatitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-47:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getTimeZoneTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. Notification: Performance of NFTyping.typeBindings: time 0.07169/3.119, allocations: 17.92 MB / 1.913 GB, free: 81.61 MB / 1.057 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/Fluid/Chillers/BaseClasses/warnIfPerformanceOutOfBounds.mo:2:1-41:33:writable] Warning: Pure function ‘Buildings.Fluid.Chillers.BaseClasses.warnIfPerformanceOutOfBounds‘ contains a call to impure function ‘Modelica.Utilities.Streams.print‘. Notification: Performance of NFTyping.typeClassSections: time 0.04458/3.164, allocations: 13.88 MB / 1.927 GB, free: 81.16 MB / 1.057 GB Notification: Performance of NFFlatten.flatten: time 0.1075/3.272, allocations: 76.82 MB / 2.002 GB, free: 59.87 MB / 1.057 GB Notification: Performance of NFFlatten.resolveConnections: time 0.04509/3.317, allocations: 23.26 MB / 2.025 GB, free: 37.24 MB / 1.057 GB Notification: Performance of NFEvalConstants.evaluate: time 0.05176/3.369, allocations: 18.22 MB / 2.042 GB, free: 21.05 MB / 1.057 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03677/3.405, allocations: 17.34 MB / 2.059 GB, free: 5.051 MB / 1.057 GB Notification: Performance of NFPackage.collectConstants: time 0.009485/3.415, allocations: 1.027 MB / 2.06 GB, free: 4.023 MB / 1.057 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0427/3.458, allocations: 12.46 MB / 2.072 GB, free: 8.59 MB / 1.073 GB Notification: Performance of NFScalarize.scalarize: time 0.0143/3.472, allocations: 6.153 MB / 2.078 GB, free: 2.605 MB / 1.073 GB Notification: Performance of NFVerifyModel.verify: time 0.03916/3.511, allocations: 12.9 MB / 2.091 GB, free: 5.781 MB / 1.089 GB Notification: Performance of NFConvertDAE.convert: time 0.0974/3.609, allocations: 50.64 MB / 2.141 GB, free: 4.566 MB / 1.135 GB Notification: Performance of FrontEnd - DAE generated: time 5.55e-06/3.609, allocations: 4 kB / 2.141 GB, free: 4.562 MB / 1.135 GB Notification: Performance of FrontEnd: time 3.516e-06/3.609, allocations: 0 / 2.141 GB, free: 4.562 MB / 1.135 GB Notification: Performance of Transformations before backend: time 0.001833/3.611, allocations: 7.938 kB / 2.141 GB, free: 4.555 MB / 1.135 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 4016 * Number of variables: 4016 Notification: Performance of Generate backend data structure: time 0.08137/3.692, allocations: 25.31 MB / 2.165 GB, free: 11.25 MB / 1.167 GB Notification: Performance of prepare preOptimizeDAE: time 5.961e-05/3.692, allocations: 8.031 kB / 2.165 GB, free: 11.24 MB / 1.167 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.009944/3.702, allocations: 2.078 MB / 2.167 GB, free: 9.156 MB / 1.167 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04142/3.744, allocations: 6.523 MB / 2.174 GB, free: 2.609 MB / 1.167 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.07058/3.814, allocations: 26.89 MB / 2.2 GB, free: 8.152 MB / 1.198 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.003005/3.817, allocations: 1.578 MB / 2.201 GB, free: 6.559 MB / 1.198 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.008277/3.826, allocations: 1.678 MB / 2.203 GB, free: 4.891 MB / 1.198 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.08313/3.909, allocations: 25.38 MB / 2.228 GB, free: 11.04 MB / 1.229 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.001028/3.91, allocations: 31.72 kB / 2.228 GB, free: 11.01 MB / 1.229 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.007827/3.918, allocations: 0.6341 MB / 2.229 GB, free: 10.38 MB / 1.229 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008805/3.919, allocations: 0.6465 MB / 2.229 GB, free: 9.73 MB / 1.229 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 1.067/4.986, allocations: 25.39 MB / 2.254 GB, free: 0.5931 GB / 1.229 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 0.215/5.201, allocations: 104.8 MB / 2.356 GB, free: 0.5201 GB / 1.229 GB Notification: Performance of preOpt comSubExp (simulation): time 0.04296/5.244, allocations: 18.52 MB / 2.374 GB, free: 0.5083 GB / 1.229 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.02378/5.268, allocations: 10.86 MB / 2.385 GB, free: 0.4977 GB / 1.229 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 0.09408/5.362, allocations: 35.77 MB / 2.42 GB, free: 473.2 MB / 1.229 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02694/5.389, allocations: 10.82 MB / 2.431 GB, free: 462.4 MB / 1.229 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02441/5.413, allocations: 3.595 MB / 2.434 GB, free: 459 MB / 1.229 GB Notification: Performance of pre-optimization done (n=1201): time 0.0001041/5.413, allocations: 0 / 2.434 GB, free: 459 MB / 1.229 GB Notification: Performance of matching and sorting (n=1215): time 0.1768/5.59, allocations: 53.07 MB / 2.486 GB, free: 405.7 MB / 1.229 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002279/5.59, allocations: 0.5879 MB / 2.486 GB, free: 405 MB / 1.229 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.04416/5.635, allocations: 20.56 MB / 2.507 GB, free: 384.5 MB / 1.229 GB Notification: Performance of collectPreVariables (initialization): time 0.004002/5.639, allocations: 369.3 kB / 2.507 GB, free: 384.2 MB / 1.229 GB Notification: Performance of collectInitialEqns (initialization): time 0.01273/5.651, allocations: 10.52 MB / 2.517 GB, free: 373.7 MB / 1.229 GB Notification: Performance of collectInitialBindings (initialization): time 0.007079/5.658, allocations: 3.961 MB / 2.521 GB, free: 369.7 MB / 1.229 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003982/5.663, allocations: 291.7 kB / 2.521 GB, free: 369.5 MB / 1.229 GB Notification: Performance of setup shared object (initialization): time 0.001345/5.664, allocations: 0.8947 MB / 2.522 GB, free: 368.6 MB / 1.229 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0223/5.686, allocations: 9.796 MB / 2.532 GB, free: 358.8 MB / 1.229 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.02809/5.714, allocations: 13.8 MB / 2.545 GB, free: 343.6 MB / 1.229 GB 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.ele[1].vol2.dynBal.medium.p = ahu.cooCoi.ele[1].vol2.dynBal.p_start (ahu.fan.vol.dynBal.p_start = ahu.cooCoi.ele[1].vol2.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.6865/6.401, allocations: 138.4 MB / 2.68 GB, free: 204.3 MB / 1.229 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001883/6.401, allocations: 23.84 kB / 2.68 GB, free: 204.3 MB / 1.229 GB Notification: Performance of matching and sorting (n=1905) (initialization): time 0.08247/6.484, allocations: 26.85 MB / 2.707 GB, free: 177.4 MB / 1.229 GB Notification: Performance of prepare postOptimizeDAE: time 0.002965/6.487, allocations: 2.475 MB / 2.709 GB, free: 173.8 MB / 1.229 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0004246/6.487, allocations: 83.98 kB / 2.709 GB, free: 173.8 MB / 1.229 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01256/6.5, allocations: 3.076 MB / 2.712 GB, free: 170.7 MB / 1.229 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01977/6.52, allocations: 3.447 MB / 2.715 GB, free: 167.2 MB / 1.229 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01663/6.536, allocations: 15.22 MB / 2.73 GB, free: 151.3 MB / 1.229 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02941/6.566, allocations: 2.22 MB / 2.733 GB, free: 149.1 MB / 1.229 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005642/6.571, allocations: 0.7494 MB / 2.733 GB, free: 148.4 MB / 1.229 GB Notification: Performance of prepare postOptimizeDAE: time 1.367e-05/6.571, allocations: 4 kB / 2.733 GB, free: 148.4 MB / 1.229 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.07351/6.645, allocations: 24.3 MB / 2.757 GB, free: 124 MB / 1.229 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0003887/6.645, allocations: 80.94 kB / 2.757 GB, free: 124 MB / 1.229 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.009843/6.655, allocations: 2.682 MB / 2.76 GB, free: 121.3 MB / 1.229 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01995/6.675, allocations: 3.447 MB / 2.763 GB, free: 117.8 MB / 1.229 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0168/6.692, allocations: 15.03 MB / 2.778 GB, free: 102 MB / 1.229 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02957/6.722, allocations: 2.205 MB / 2.78 GB, free: 99.79 MB / 1.229 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005463/6.727, allocations: 0.7301 MB / 2.781 GB, free: 99.06 MB / 1.229 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization sytem: ahu.cooCoi.ele[1].vol2.dynBal.medium.p = ahu.cooCoi.ele[1].vol2.dynBal.p_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 346 * Number of states: 0 () * Number of discrete variables: 295 ($PRE.ahu.heaCon.offToOn.enableFire,$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,$PRE.swiTim.y,swiTim.y,cooModCon.stateGraphRoot.resume,cooModCon.stateGraphRoot.suspend,varSpeCon.stateGraphRoot.resume,varSpeCon.stateGraphRoot.suspend,CWPumCon.stateGraphRoot.resume,CWPumCon.stateGraphRoot.suspend,chiStaCon.stateGraphRoot.resume,chiStaCon.stateGraphRoot.suspend,ahu.heaCon.stateGraphRoot.resume,ahu.heaCon.stateGraphRoot.suspend,swiTim.local_set,swiTim.local_reset,$PRE.chiWSE.pum.hys[1].y,$PRE.chiWSE.pum.hys[2].y,$PRE.ahu.heaCon.off.localActive,$PRE.ahu.heaCon.off.newActive,$PRE.ahu.heaCon.off.oldActive,$PRE.ahu.heaCon.on.localActive,$PRE.ahu.heaCon.on.newActive,$PRE.ahu.heaCon.on.oldActive,$PRE.ahu.heaCon.offToOn.t_start,$PRE.ahu.heaCon.onToOff.t_start,$PRE.chiStaCon.con1.t_start,$PRE.chiStaCon.oneOn.localActive,$PRE.chiStaCon.oneOn.newActive,$PRE.chiStaCon.oneOn.oldActive,$PRE.chiStaCon.off.localActive,$PRE.chiStaCon.off.newActive,$PRE.chiStaCon.off.oldActive,$PRE.chiStaCon.twoOn.localActive,$PRE.chiStaCon.twoOn.newActive,$PRE.chiStaCon.twoOn.oldActive,$PRE.chiStaCon.con2.t_start,$PRE.chiStaCon.con3.t_start,$PRE.chiStaCon.con4.t_start,$PRE.CWPumCon.con1.t_start,$PRE.CWPumCon.oneOn.localActive,$PRE.CWPumCon.oneOn.newActive,$PRE.CWPumCon.oneOn.oldActive,$PRE.CWPumCon.off.localActive,$PRE.CWPumCon.off.newActive,$PRE.CWPumCon.off.oldActive,$PRE.CWPumCon.twoOn.localActive,$PRE.CWPumCon.twoOn.newActive,$PRE.CWPumCon.twoOn.oldActive,$PRE.CWPumCon.con2.t_start,$PRE.CWPumCon.con3.t_start,$PRE.CWPumCon.con4.t_start,$PRE.varSpeCon.con1.t_start,$PRE.varSpeCon.oneOn.localActive,$PRE.varSpeCon.oneOn.newActive,$PRE.varSpeCon.oneOn.oldActive,$PRE.varSpeCon.off.localActive,$PRE.varSpeCon.off.newActive,$PRE.varSpeCon.off.oldActive,$PRE.varSpeCon.twoOn.localActive,$PRE.varSpeCon.twoOn.newActive,$PRE.varSpeCon.twoOn.oldActive,$PRE.varSpeCon.con2.t_start,$PRE.varSpeCon.con3.t_start,$PRE.varSpeCon.con4.t_start,$PRE.cooModCon.con1.t_start,$PRE.cooModCon.parMecCoo.localActive,$PRE.cooModCon.parMecCoo.newActive,$PRE.cooModCon.parMecCoo.oldActive,$PRE.cooModCon.freCoo.localActive,$PRE.cooModCon.freCoo.newActive,$PRE.cooModCon.freCoo.oldActive,$PRE.cooModCon.fulMecCoo.localActive,$PRE.cooModCon.fulMecCoo.newActive,$PRE.cooModCon.fulMecCoo.oldActive,$PRE.cooModCon.con2.t_start,$PRE.cooModCon.con3.t_start,$PRE.cooModCon.con4.t_start,$PRE.cooModCon.swi.y,$whenCondition21,$whenCondition20,$whenCondition19,$whenCondition18,$whenCondition17,$whenCondition16,$whenCondition15,$whenCondition14,$whenCondition13,$whenCondition12,$whenCondition11,$whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,$PRE.sigCha.u,sigCha.u,sigCha.y,chiWSE.on[3],chiWSE.pum.hys[1].y,chiWSE.pum.hys[2].y,$PRE.weaData.conTimMin.tNext,weaData.conTimMin.tNext,$PRE.weaData.conTim.tNext,weaData.conTim.tNext,ahu.heaCon.off.localActive,ahu.heaCon.off.newActive,ahu.heaCon.off.oldActive,ahu.heaCon.off.active,ahu.heaCon.on.localActive,ahu.heaCon.on.newActive,ahu.heaCon.on.oldActive,ahu.heaCon.on.active,ahu.heaCon.offToOn.condition,ahu.heaCon.offToOn.enableFire,ahu.heaCon.offToOn.fire,ahu.heaCon.offToOn.t_start,ahu.heaCon.onToOff.condition,ahu.heaCon.onToOff.enableFire,ahu.heaCon.onToOff.fire,ahu.heaCon.onToOff.t_start,ahu.heaCon.stateGraphRoot.activeSteps,chiStaCon.con1.condition,chiStaCon.con1.enableFire,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.oneOn.active,chiStaCon.off.active,chiStaCon.off.localActive,chiStaCon.off.newActive,chiStaCon.off.oldActive,chiStaCon.twoOn.localActive,chiStaCon.twoOn.newActive,chiStaCon.twoOn.oldActive,chiStaCon.twoOn.active,chiStaCon.con2.condition,chiStaCon.con2.enableFire,chiStaCon.con2.fire,chiStaCon.con2.t_start,chiStaCon.con3.condition,chiStaCon.con3.enableFire,chiStaCon.con3.fire,chiStaCon.con3.t_start,chiStaCon.con4.condition,chiStaCon.con4.enableFire,chiStaCon.con4.fire,chiStaCon.con4.t_start,chiStaCon.stateGraphRoot.activeSteps,chiStaCon.booToInt.y,chiStaCon.booToInt1.y,chiStaCon.addInt.y,chiOn[1].y,chiOn[2].y,CWPumCon.con1.condition,CWPumCon.con1.enableFire,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.oneOn.active,CWPumCon.off.active,CWPumCon.off.localActive,CWPumCon.off.newActive,CWPumCon.off.oldActive,CWPumCon.twoOn.localActive,CWPumCon.twoOn.newActive,CWPumCon.twoOn.oldActive,CWPumCon.twoOn.active,CWPumCon.con2.condition,CWPumCon.con2.enableFire,CWPumCon.con2.fire,CWPumCon.con2.t_start,CWPumCon.con3.condition,CWPumCon.con3.enableFire,CWPumCon.con3.fire,CWPumCon.con3.t_start,CWPumCon.con4.condition,CWPumCon.con4.enableFire,CWPumCon.con4.fire,CWPumCon.con4.t_start,CWPumCon.stateGraphRoot.activeSteps,CWPumCon.booToInt.y,CWPumCon.booToInt1.y,CWPumCon.addInt.y,chiNumOn.y,cooTowSpeCon.pmcMod.y,cooTowSpeCon.fmcMod.y,varSpeCon.con1.condition,varSpeCon.con1.enableFire,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.oneOn.active,varSpeCon.off.active,varSpeCon.off.localActive,varSpeCon.off.newActive,varSpeCon.off.oldActive,varSpeCon.twoOn.localActive,varSpeCon.twoOn.newActive,varSpeCon.twoOn.oldActive,varSpeCon.twoOn.active,varSpeCon.con2.condition,varSpeCon.con2.enableFire,varSpeCon.con2.fire,varSpeCon.con2.t_start,varSpeCon.con3.condition,varSpeCon.con3.enableFire,varSpeCon.con3.fire,varSpeCon.con3.t_start,varSpeCon.con4.condition,varSpeCon.con4.enableFire,varSpeCon.con4.fire,varSpeCon.con4.t_start,varSpeCon.stateGraphRoot.activeSteps,varSpeCon.booToInt.y,varSpeCon.booToInt1.y,varSpeCon.addInt.y,cooModCon.con1.condition,cooModCon.con1.enableFire,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.parMecCoo.active,cooModCon.freCoo.localActive,cooModCon.freCoo.newActive,cooModCon.freCoo.oldActive,cooModCon.freCoo.active,cooModCon.fulMecCoo.localActive,cooModCon.fulMecCoo.newActive,cooModCon.fulMecCoo.oldActive,cooModCon.fulMecCoo.active,cooModCon.con2.condition,cooModCon.con2.enableFire,cooModCon.con2.fire,cooModCon.con2.t_start,cooModCon.con3.condition,cooModCon.con3.enableFire,cooModCon.con3.fire,cooModCon.con3.t_start,cooModCon.con4.condition,cooModCon.con4.enableFire,cooModCon.con4.fire,cooModCon.con4.t_start,cooModCon.stateGraphRoot.activeSteps,cooModCon.swi.y,cooModCon.swi.firstActiveIndex,cooModCon.swi.expr[1],cooModCon.swi.expr[2],cooModCon.swi.expr[3],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 (1724): * Single equations (assignments): 1686 * Array equations: 21 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 7 * 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): 6 systems {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 {(1,8,100.0%), (1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 5 systems {(6,44), (7,40), (2,8), (1,8), (1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.02483/6.752, allocations: 8.108 MB / 2.789 GB, free: 90.93 MB / 1.229 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009657/6.762, allocations: 1.94 MB / 2.79 GB, free: 88.97 MB / 1.229 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.07484/6.837, allocations: 22.86 MB / 2.813 GB, free: 66.15 MB / 1.229 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0002319/6.837, allocations: 140 kB / 2.813 GB, free: 66.01 MB / 1.229 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.768e-05/6.837, allocations: 4 kB / 2.813 GB, free: 66.01 MB / 1.229 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.04933/6.886, allocations: 18.17 MB / 2.831 GB, free: 47.7 MB / 1.229 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 postOpt removeSimpleEquations (simulation): time 0.1216/7.008, allocations: 46.08 MB / 2.876 GB, free: 1.609 MB / 1.229 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.091e-05/7.008, allocations: 4 kB / 2.876 GB, free: 1.605 MB / 1.229 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 1.241/8.249, allocations: 2.669 MB / 2.878 GB, free: 0.5609 GB / 1.229 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.004777/8.254, allocations: 1.383 MB / 2.88 GB, free: 0.5608 GB / 1.229 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003563/8.257, allocations: 353.2 kB / 2.88 GB, free: 0.5608 GB / 1.229 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01113/8.269, allocations: 11.93 MB / 2.892 GB, free: 0.5528 GB / 1.229 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.522e-06/8.269, allocations: 1.266 kB / 2.892 GB, free: 0.5528 GB / 1.229 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.1059/8.374, allocations: 32.77 MB / 2.924 GB, free: 0.548 GB / 1.229 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01959/8.394, allocations: 4.424 MB / 2.928 GB, free: 0.5466 GB / 1.229 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.01104/8.405, allocations: 282.3 kB / 2.928 GB, free: 0.5464 GB / 1.229 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02434/8.43, allocations: 1.931 MB / 2.93 GB, free: 0.5462 GB / 1.229 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005027/8.435, allocations: 0.9407 MB / 2.931 GB, free: 0.5461 GB / 1.229 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003992/8.439, allocations: 480.5 kB / 2.931 GB, free: 0.546 GB / 1.229 GB Notification: Performance of sorting global known variables: time 0.04233/8.481, allocations: 14.16 MB / 2.945 GB, free: 0.5413 GB / 1.229 GB Notification: Performance of sort global known variables: time 1.032e-06/8.481, allocations: 0 / 2.945 GB, free: 0.5413 GB / 1.229 GB Notification: Performance of remove unused functions: time 0.06357/8.545, allocations: 9.13 MB / 2.954 GB, free: 0.5406 GB / 1.229 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 57 (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[2].vol.dynBal.U,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.ele[1].vol1.dynBal.U,ahu.cooCoi.ele[1].vol2.dynBal.U,ahu.cooCoi.ele[1].vol2.dynBal.mXi[1],ahu.cooCoi.ele[1].mas.T,ahu.cooCoi.ele[2].vol1.dynBal.U,ahu.cooCoi.ele[2].vol2.dynBal.U,ahu.cooCoi.ele[2].vol2.dynBal.mXi[1],ahu.cooCoi.ele[2].mas.T,ahu.cooCoi.ele[3].vol1.dynBal.U,ahu.cooCoi.ele[3].vol2.dynBal.U,ahu.cooCoi.ele[3].vol2.dynBal.mXi[1],ahu.cooCoi.ele[3].mas.T,ahu.cooCoi.ele[4].vol1.dynBal.U,ahu.cooCoi.ele[4].vol2.dynBal.U,ahu.cooCoi.ele[4].vol2.dynBal.mXi[1],ahu.cooCoi.ele[4].mas.T,ahu.fan.vol.dynBal.U,ahu.fan.vol.dynBal.m,ahu.fan.vol.dynBal.mXi[1],ahu.fan.filter.x[1],ahu.fan.filter.x[2],ahu.watVal.filter.x[1],ahu.watVal.filter.x[2],ahu.hum.outCon.Xi,ahu.eleHea.hea.outCon.T,TCHWRet.T,TAirSup.T,roo.rooVol.dynBal.U,roo.rooVol.dynBal.m,roo.rooVol.dynBal.mXi[1],val[1].filter.x[1],val[1].filter.x[2],val[2].filter.x[1],val[2].filter.x[2],cooTowSpeCon.conPID.I.y,pumSpe.I.y,ahuValSig.I.y,ahuFanSpeCon.I.y) * Number of discrete variables: 212 (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.localActive,cooModCon.freCoo.localActive,cooModCon.parMecCoo.localActive,varSpeCon.twoOn.localActive,varSpeCon.off.localActive,varSpeCon.oneOn.localActive,CWPumCon.twoOn.localActive,CWPumCon.off.localActive,CWPumCon.oneOn.localActive,chiStaCon.twoOn.localActive,chiStaCon.off.localActive,chiStaCon.oneOn.localActive,ahu.heaCon.on.localActive,ahu.heaCon.off.localActive,$cse46,$cse47,$cse48,$cse49,$cse50,$cse51,$cse52,$cse53,$cse54,$cse55,$cse56,$cse57,$cse58,$cse59,$cse60,$cse61,$cse62,$cse63,$cse64,$cse65,$cse66,$cse67,$cse68,$cse69,$cse78,$cse79,$whenCondition21,$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.conTimMin.tNext,weaData.conTim.tNext,ahu.heaCon.off.newActive,ahu.heaCon.off.oldActive,ahu.heaCon.off.active,ahu.heaCon.on.newActive,ahu.heaCon.on.oldActive,ahu.heaCon.on.active,ahu.heaCon.offToOn.condition,ahu.heaCon.offToOn.fire,ahu.heaCon.offToOn.t_start,ahu.heaCon.onToOff.condition,ahu.heaCon.onToOff.fire,ahu.heaCon.onToOff.t_start,ahu.heaCon.stateGraphRoot.activeSteps,chiStaCon.con1.condition,chiStaCon.con1.fire,chiStaCon.con1.t_start,chiStaCon.oneOn.inPort[2].occupied,chiStaCon.oneOn.outPort[2].available,chiStaCon.oneOn.newActive,chiStaCon.oneOn.oldActive,chiStaCon.oneOn.active,chiStaCon.off.active,chiStaCon.off.newActive,chiStaCon.off.oldActive,chiStaCon.twoOn.newActive,chiStaCon.twoOn.oldActive,chiStaCon.twoOn.active,chiStaCon.con2.condition,chiStaCon.con2.fire,chiStaCon.con2.t_start,chiStaCon.con3.condition,chiStaCon.con3.fire,chiStaCon.con3.t_start,chiStaCon.con4.condition,chiStaCon.con4.fire,chiStaCon.con4.t_start,chiStaCon.stateGraphRoot.activeSteps,chiStaCon.booToInt.y,chiStaCon.booToInt1.y,chiStaCon.addInt.y,chiOn[1].y,chiOn[2].y,CWPumCon.con1.condition,CWPumCon.con1.fire,CWPumCon.con1.t_start,CWPumCon.oneOn.inPort[2].occupied,CWPumCon.oneOn.outPort[2].available,CWPumCon.oneOn.newActive,CWPumCon.oneOn.oldActive,CWPumCon.oneOn.active,CWPumCon.off.active,CWPumCon.off.newActive,CWPumCon.off.oldActive,CWPumCon.twoOn.newActive,CWPumCon.twoOn.oldActive,CWPumCon.twoOn.active,CWPumCon.con2.condition,CWPumCon.con2.fire,CWPumCon.con2.t_start,CWPumCon.con3.condition,CWPumCon.con3.fire,CWPumCon.con3.t_start,CWPumCon.con4.condition,CWPumCon.con4.fire,CWPumCon.con4.t_start,CWPumCon.stateGraphRoot.activeSteps,CWPumCon.booToInt.y,CWPumCon.booToInt1.y,CWPumCon.addInt.y,chiNumOn.y,cooTowSpeCon.pmcMod.y,cooTowSpeCon.fmcMod.y,varSpeCon.con1.condition,varSpeCon.con1.fire,varSpeCon.con1.t_start,varSpeCon.oneOn.inPort[2].occupied,varSpeCon.oneOn.outPort[2].available,varSpeCon.oneOn.newActive,varSpeCon.oneOn.oldActive,varSpeCon.oneOn.active,varSpeCon.off.active,varSpeCon.off.newActive,varSpeCon.off.oldActive,varSpeCon.twoOn.newActive,varSpeCon.twoOn.oldActive,varSpeCon.twoOn.active,varSpeCon.con2.condition,varSpeCon.con2.fire,varSpeCon.con2.t_start,varSpeCon.con3.condition,varSpeCon.con3.fire,varSpeCon.con3.t_start,varSpeCon.con4.condition,varSpeCon.con4.fire,varSpeCon.con4.t_start,varSpeCon.stateGraphRoot.activeSteps,varSpeCon.booToInt.y,varSpeCon.booToInt1.y,varSpeCon.addInt.y,cooModCon.con1.condition,cooModCon.con1.fire,cooModCon.con1.t_start,cooModCon.parMecCoo.inPort[2].occupied,cooModCon.parMecCoo.outPort[2].available,cooModCon.parMecCoo.newActive,cooModCon.parMecCoo.oldActive,cooModCon.parMecCoo.active,cooModCon.freCoo.newActive,cooModCon.freCoo.oldActive,cooModCon.freCoo.active,cooModCon.fulMecCoo.newActive,cooModCon.fulMecCoo.oldActive,cooModCon.fulMecCoo.active,cooModCon.con2.condition,cooModCon.con2.fire,cooModCon.con2.t_start,cooModCon.con3.condition,cooModCon.con3.fire,cooModCon.con3.t_start,cooModCon.con4.condition,cooModCon.con4.fire,cooModCon.con4.t_start,cooModCon.stateGraphRoot.activeSteps,cooModCon.swi.y,cooModCon.swi.firstActiveIndex) * Number of discrete states: 21 (weaData.conTim.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 (1274): * Single equations (assignments): 1195 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 33 * When equations: 35 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 8 * 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 {(1,8,100.0%), (1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 6 systems {(1,1), (3,14), (1,3), (8,41), (1,8), (2,8)} Notification: Performance of Backend phase and start with SimCode phase: time 0.1024/8.647, allocations: 35.89 MB / 2.989 GB, free: 0.5181 GB / 1.229 GB Notification: Performance of simCode: created initialization part: time 0.08813/8.735, allocations: 35.83 MB / 3.024 GB, free: 497.1 MB / 1.229 GB Notification: Performance of simCode: created event and clocks part: time 2.121e-05/8.735, allocations: 14.59 kB / 3.024 GB, free: 497.1 MB / 1.229 GB Notification: Performance of simCode: created simulation system equations: time 0.02686/8.762, allocations: 10.64 MB / 3.035 GB, free: 486.5 MB / 1.229 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.08864/8.851, allocations: 10.53 MB / 3.045 GB, free: 476.6 MB / 1.229 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.409/10.26, allocations: 392 MB / 3.428 GB, free: 67.46 MB / 1.229 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0402/10.3, allocations: 14.12 MB / 3.441 GB, free: 53.3 MB / 1.229 GB Notification: Performance of simCode: alias equations: time 0.05594/10.36, allocations: 8.389 MB / 3.45 GB, free: 45 MB / 1.229 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.03267/10.39, allocations: 11.1 MB / 3.46 GB, free: 33.9 MB / 1.229 GB Notification: Performance of SimCode: time 1.994e-06/10.39, allocations: 0 / 3.46 GB, free: 33.9 MB / 1.229 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.172/12.56, allocations: 0.5968 GB / 4.057 GB, free: 429.4 MB / 1.229 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001858/12.56, allocations: 369 kB / 4.058 GB, free: 429.1 MB / 1.229 GB Notification: Performance of buildModelFMU: Generate platform static: time 53/65.56, allocations: 0 / 4.058 GB, free: 429.1 MB / 1.229 GB (rm -f Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Applications_DataCenters_ChillerCooled_Examples_IntegratedPrimaryLoadSideEconomizer_fmu --startTime=0 --stopTime=86400 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Applications_DataCenters_ChillerCooled_Examples_IntegratedPrimaryLoadSideEconomizer.fmu > Buildings_maint.7.0.x_Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimaryLoadSideEconomizer.pipe 2>&1)