Running command: translateModel(Buildings.Examples.ChillerPlant.BaseClasses.Controls.Examples.ChillerSetPointControl,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Examples.ChillerPlant.BaseClasses.Controls.Examples.ChillerSetPointControl")
Notification: Performance of loadModel(Buildings): time 3.713/3.713, allocations: 402 MB / 416.6 MB, free: 10.2 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.686e-05/3.696e-05, allocations: 7.984 kB / 0.501 GB, free: 8.238 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2054/0.2054, allocations: 92.69 MB / 0.5915 GB, free: 11.38 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Examples.ChillerPlant.BaseClasses.Controls.Examples.ChillerSetPointControl): time 0.8571/1.063, allocations: 222.1 MB / 0.8083 GB, free: 0.5938 MB / 0.6667 GB
Notification: Performance of NFInst.instExpressions: time 0.05062/1.113, allocations: 23.13 MB / 0.8309 GB, free: 9.43 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.005807/1.119, allocations: 167.1 kB / 0.8311 GB, free: 9.266 MB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.008818/1.128, allocations: 2.02 MB / 0.8331 GB, free: 7.238 MB / 0.698 GB
Notification: Performance of NFTyping.typeBindings: time 0.01719/1.145, allocations: 4.095 MB / 0.8371 GB, free: 3.133 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01473/1.16, allocations: 3.506 MB / 0.8405 GB, free: 15.62 MB / 0.7136 GB
Notification: Performance of NFFlatten.flatten: time 0.01273/1.173, allocations: 4.319 MB / 0.8447 GB, free: 11.3 MB / 0.7136 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.004928/1.178, allocations: 2.055 MB / 0.8467 GB, free: 9.23 MB / 0.7136 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.009749/1.187, allocations: 2.933 MB / 0.8496 GB, free: 6.289 MB / 0.7136 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005335/1.193, allocations: 1.799 MB / 0.8513 GB, free: 4.484 MB / 0.7136 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00955/1.202, allocations: 2.157 MB / 0.8534 GB, free: 2.324 MB / 0.7136 GB
Notification: Performance of NFPackage.collectConstants: time 0.001932/1.204, allocations: 172 kB / 0.8536 GB, free: 2.156 MB / 0.7136 GB
Notification: Performance of NFScalarize.scalarize: time 0.001709/1.206, allocations: 0.8057 MB / 0.8544 GB, free: 1.348 MB / 0.7136 GB
Notification: Performance of NFVerifyModel.verify: time 0.001847/1.208, allocations: 380 kB / 0.8547 GB, free: 0.9766 MB / 0.7136 GB
Notification: Performance of NFConvertDAE.convert: time 0.01095/1.219, allocations: 4.945 MB / 0.8596 GB, free: 12.02 MB / 0.7292 GB
Notification: Performance of FrontEnd - DAE generated: time 4.108e-06/1.219, allocations: 4 kB / 0.8596 GB, free: 12.02 MB / 0.7292 GB
Notification: Performance of FrontEnd: time 2.806e-06/1.219, allocations: 0 / 0.8596 GB, free: 12.02 MB / 0.7292 GB
Notification: Performance of Transformations before backend: time 0.0001735/1.219, allocations: 0 / 0.8596 GB, free: 12.02 MB / 0.7292 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 621
 * Number of variables: 621
Notification: Performance of Generate backend data structure: time 0.01053/1.23, allocations: 3.476 MB / 0.863 GB, free: 8.449 MB / 0.7292 GB
Notification: Performance of prepare preOptimizeDAE: time 4.946e-05/1.23, allocations: 8.031 kB / 0.863 GB, free: 8.441 MB / 0.7292 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01592/1.246, allocations: 1.505 MB / 0.8644 GB, free: 6.93 MB / 0.7292 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.009958/1.256, allocations: 2.999 MB / 0.8674 GB, free: 3.867 MB / 0.7292 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001536/1.257, allocations: 408.5 kB / 0.8678 GB, free: 3.449 MB / 0.7292 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008179/1.258, allocations: 260 kB / 0.868 GB, free: 3.191 MB / 0.7292 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01377/1.272, allocations: 3.426 MB / 0.8714 GB, free: 15.59 MB / 0.7448 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.504e-05/1.272, allocations: 11.84 kB / 0.8714 GB, free: 15.58 MB / 0.7448 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004978/1.272, allocations: 104 kB / 0.8715 GB, free: 15.48 MB / 0.7448 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001458/1.273, allocations: 96.52 kB / 0.8716 GB, free: 15.38 MB / 0.7448 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01694/1.29, allocations: 3.289 MB / 0.8748 GB, free: 12.07 MB / 0.7448 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 0.5869/1.877, allocations: 14.99 MB / 0.8894 GB, free: 248.3 MB / 0.7448 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0179/1.894, allocations: 2.458 MB / 0.8918 GB, free: 248.2 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.02001/1.915, allocations: 4.89 MB / 0.8966 GB, free: 245.2 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01113/1.926, allocations: 1.489 MB / 0.898 GB, free: 244.7 MB / 0.7448 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.005482/1.931, allocations: 406.9 kB / 0.8984 GB, free: 244.7 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=161): time 1.784e-05/1.931, allocations: 0 / 0.8984 GB, free: 244.7 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=163): time 0.0533/1.985, allocations: 8.515 MB / 0.9067 GB, free: 240.7 MB / 0.7448 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001586/1.985, allocations: 466.2 kB / 0.9072 GB, free: 240.2 MB / 0.7448 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007897/1.993, allocations: 2.857 MB / 0.91 GB, free: 239.2 MB / 0.7448 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005805/1.993, allocations: 65.95 kB / 0.91 GB, free: 239.1 MB / 0.7448 GB
Notification: Performance of collectInitialEqns (initialization): time 0.002056/1.995, allocations: 1.676 MB / 0.9117 GB, free: 237.8 MB / 0.7448 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001038/1.996, allocations: 0.5585 MB / 0.9122 GB, free: 237.4 MB / 0.7448 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002661/1.997, allocations: 41.78 kB / 0.9123 GB, free: 237.3 MB / 0.7448 GB
Notification: Performance of setup shared object (initialization): time 0.000175/1.997, allocations: 394.1 kB / 0.9126 GB, free: 237 MB / 0.7448 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006395/2.003, allocations: 1.185 MB / 0.9138 GB, free: 236.6 MB / 0.7448 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007312/2.011, allocations: 1.898 MB / 0.9157 GB, free: 235.5 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006986/2.018, allocations: 1.378 MB / 0.917 GB, free: 235 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.145e-05/2.018, allocations: 5.5 kB / 0.917 GB, free: 235 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=281) (initialization): time 0.01704/2.035, allocations: 3.477 MB / 0.9204 GB, free: 233.8 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001487/2.036, allocations: 6.593 MB / 0.9268 GB, free: 226.8 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.603e-05/2.037, allocations: 15.94 kB / 0.9269 GB, free: 226.8 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.000368/2.037, allocations: 52.58 kB / 0.9269 GB, free: 226.8 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009879/2.047, allocations: 0.7875 MB / 0.9277 GB, free: 226.7 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003308/2.05, allocations: 2.996 MB / 0.9306 GB, free: 223.8 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008103/2.058, allocations: 419.6 kB / 0.931 GB, free: 223.7 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008034/2.059, allocations: 119.2 kB / 0.9311 GB, free: 223.7 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 1.541e-05/2.059, allocations: 3.375 kB / 0.9311 GB, free: 223.7 MB / 0.7448 GB
Warning: The linear system: 
1 : limPID.addSat.y = limPID.y - limPID.gainPID.y
2 : limPID.y = limPID.gainPID.y
[
  -1.0 , 1.0 ;
  1.0 , -1.0
]
  *
[
  limPID.y ;
  limPID.gainPID.y
]
  =
[
  -limPID.addSat.y ;
  0.0
]
 might be structurally or numerically singular for variable limPID.gainPID.y since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01464/2.074, allocations: 3.175 MB / 0.9342 GB, free: 222.4 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.369e-05/2.074, allocations: 21.22 kB / 0.9342 GB, free: 222.4 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0001259/2.074, allocations: 43.3 kB / 0.9343 GB, free: 222.4 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006567/2.081, allocations: 0.6759 MB / 0.9349 GB, free: 222.3 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001783/2.082, allocations: 4.019 MB / 0.9389 GB, free: 218.2 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006949/2.089, allocations: 368 kB / 0.9392 GB, free: 218.2 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007085/2.09, allocations: 111.4 kB / 0.9393 GB, free: 218.1 MB / 0.7448 GB
Warning: Assuming fixed start value for the following 2 variables:
         pum.vol.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = pum.vol.V * pum.vol.rho_start unit = "kg" fixed = true stateSelect=StateSelect.prefer protected = true )  "Mass of fluid" type: Real
         chi.vol2.dynBal.m:VARIABLE(min = max(0.0, 0.0) start = chi.vol2.V * chi.vol2.rho_start unit = "kg" fixed = true stateSelect=StateSelect.prefer protected = true final = true )  "Mass of fluid" type: Real
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 66
 * Number of states: 0 ()
 * Number of discrete variables: 17 ($PRE.triAndRes.firstTrigger,triAndRes.firstTrigger,$whenCondition3,triAndRes.sampleTrigger,$PRE.triAndRes.uniDel1.firstTrigger,triAndRes.uniDel1.firstTrigger,$PRE.triAndRes.sam.firstTrigger,triAndRes.sam.firstTrigger,$whenCondition1,triAndRes.sam.sampleTrigger,$whenCondition2,triAndRes.uniDel1.sampleTrigger,triAndRes.incY.y,triAndRes.sam.y,$PRE.triAndRes.uniDel1.y,triAndRes.uniDel1.y,limPID.I.trigger_internal)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (277):
 * Single equations (assignments): 267
 * Array equations: 2
 * Algorithm blocks: 2
 * Record equations: 1
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 4
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details:
 * Constant Jacobian: 0
 * Linear Jacobian (size,density): 0
 * Non-linear Jacobian: 4 {1,1,1,1}
 * Without analytic Jacobian: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 1 {1 1}
Notification: Performance of prepare postOptimizeDAE: time 0.002989/2.093, allocations: 0.7585 MB / 0.9401 GB, free: 217.7 MB / 0.7448 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001265/2.094, allocations: 354.6 kB / 0.9404 GB, free: 217.5 MB / 0.7448 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01326/2.108, allocations: 2.92 MB / 0.9432 GB, free: 216.5 MB / 0.7448 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01053/2.118, allocations: 2.566 MB / 0.9458 GB, free: 215.3 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.884e-05/2.118, allocations: 0 / 0.9458 GB, free: 215.3 MB / 0.7448 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002624/2.121, allocations: 0.7019 MB / 0.9464 GB, free: 214.9 MB / 0.7448 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001036/2.122, allocations: 39.91 kB / 0.9465 GB, free: 214.8 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.005856/2.128, allocations: 317.8 kB / 0.9468 GB, free: 214.8 MB / 0.7448 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004272/2.128, allocations: 106.9 kB / 0.9469 GB, free: 214.8 MB / 0.7448 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information.
Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed!
Notification: Performance of <failed> postOpt createDAEmodeBDAE (simulation): time 0.01301/2.141, allocations: 2.104 MB / 0.9489 GB, free: 213.8 MB / 0.7448 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.