Running command: translateModel(Buildings.Experimental.DistrictHeatingCooling.Examples.IdealSystem3Clusters,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Experimental.DistrictHeatingCooling.Examples.IdealSystem3Clusters")
Notification: Performance of loadModel(Buildings): time 3.839/3.839, allocations: 402 MB / 416.6 MB, free: 10.2 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.133e-05/3.149e-05, allocations: 4 kB / 0.5009 GB, free: 8.258 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2066/0.2067, allocations: 92.69 MB / 0.5915 GB, free: 11.39 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Experimental.DistrictHeatingCooling.Examples.IdealSystem3Clusters): time 1.962/2.169, allocations: 0.5506 GB / 1.142 GB, free: 8.961 MB / 0.8073 GB
Notification: Performance of NFInst.instExpressions: time 1.167/3.336, allocations: 133.6 MB / 1.272 GB, free: 27.51 MB / 0.8855 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.03859/3.375, allocations: 1.046 MB / 1.273 GB, free: 27.51 MB / 0.8855 GB
Notification: Performance of NFTyping.typeComponents: time 0.04312/3.418, allocations: 9.935 MB / 1.283 GB, free: 27.45 MB / 0.8855 GB
Notification: Performance of NFTyping.typeBindings: time 0.1102/3.528, allocations: 25.83 MB / 1.308 GB, free: 26.92 MB / 0.8855 GB
Notification: Performance of NFTyping.typeClassSections: time 0.06912/3.598, allocations: 15.71 MB / 1.324 GB, free: 26.27 MB / 0.8855 GB
Notification: Performance of NFFlatten.flatten: time 0.08697/3.685, allocations: 29.72 MB / 1.353 GB, free: 22.57 MB / 0.8855 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0398/3.724, allocations: 14.01 MB / 1.366 GB, free: 17.83 MB / 0.8855 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.05138/3.776, allocations: 15.06 MB / 1.381 GB, free: 15.99 MB / 0.8855 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03365/3.81, allocations: 10.95 MB / 1.392 GB, free: 14.06 MB / 0.8855 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.04195/3.852, allocations: 6.025 MB / 1.398 GB, free: 13.36 MB / 0.8855 GB
Notification: Performance of NFPackage.collectConstants: time 0.01161/3.863, allocations: 0.7852 MB / 1.399 GB, free: 13.36 MB / 0.8855 GB
Notification: Performance of NFScalarize.scalarize: time 0.01265/3.876, allocations: 4.448 MB / 1.403 GB, free: 12.26 MB / 0.8855 GB
Notification: Performance of NFVerifyModel.verify: time 0.01631/3.892, allocations: 2.3 MB / 1.405 GB, free: 10.35 MB / 0.8855 GB
Notification: Performance of NFConvertDAE.convert: time 0.06548/3.958, allocations: 32.58 MB / 1.437 GB, free: 15.01 MB / 0.9167 GB
Notification: Performance of FrontEnd - DAE generated: time 4.639e-06/3.958, allocations: 0 / 1.437 GB, free: 15.01 MB / 0.9167 GB
Notification: Performance of FrontEnd: time 3.707e-06/3.958, allocations: 0 / 1.437 GB, free: 15.01 MB / 0.9167 GB
Notification: Performance of Transformations before backend: time 0.001534/3.959, allocations: 0 / 1.437 GB, free: 15.01 MB / 0.9167 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 3542
 * Number of variables: 3542
Notification: Performance of Generate backend data structure: time 0.063/4.023, allocations: 19.1 MB / 1.456 GB, free: 13.27 MB / 0.9323 GB
Notification: Performance of prepare preOptimizeDAE: time 6.22e-05/4.023, allocations: 8.031 kB / 1.456 GB, free: 13.27 MB / 0.9323 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04834/4.071, allocations: 5.783 MB / 1.461 GB, free: 7.48 MB / 0.9323 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.08863/4.16, allocations: 23.12 MB / 1.484 GB, free: 8.723 MB / 0.948 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.009183/4.169, allocations: 1.892 MB / 1.486 GB, free: 7.305 MB / 0.948 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.007207/4.176, allocations: 1.441 MB / 1.487 GB, free: 6.328 MB / 0.948 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.08054/4.257, allocations: 19.08 MB / 1.506 GB, free: 8.43 MB / 0.9636 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0009763/4.258, allocations: 49.39 kB / 1.506 GB, free: 8.406 MB / 0.9636 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005884/4.264, allocations: 0.5803 MB / 1.506 GB, free: 8.266 MB / 0.9636 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007214/4.264, allocations: 393.8 kB / 1.507 GB, free: 7.891 MB / 0.9636 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.07428/4.339, allocations: 16.06 MB / 1.522 GB, free: 13.18 MB / 0.9792 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 0.2313/4.57, allocations: 100.8 MB / 1.621 GB, free: 3.938 MB / 1.073 GB
Notification: Performance of preOpt comSubExp (simulation): time 1.132/5.703, allocations: 11.99 MB / 1.633 GB, free: 0.4985 GB / 1.073 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.06432/5.767, allocations: 21.03 MB / 1.653 GB, free: 499 MB / 1.073 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02872/5.796, allocations: 6.368 MB / 1.659 GB, free: 497.1 MB / 1.073 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.0196/5.815, allocations: 2.617 MB / 1.662 GB, free: 496.9 MB / 1.073 GB
Notification: Performance of pre-optimization done (n=722): time 4.248e-05/5.815, allocations: 0 / 1.662 GB, free: 496.9 MB / 1.073 GB
Notification: Performance of matching and sorting (n=758): time 0.2061/6.022, allocations: 41.78 MB / 1.703 GB, free: 480.2 MB / 1.073 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002019/6.022, allocations: 183.8 kB / 1.703 GB, free: 480.1 MB / 1.073 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.04404/6.066, allocations: 16.34 MB / 1.719 GB, free: 472.7 MB / 1.073 GB
Notification: Performance of collectPreVariables (initialization): time 0.002686/6.069, allocations: 225.5 kB / 1.719 GB, free: 472.5 MB / 1.073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.01543/6.084, allocations: 11.06 MB / 1.73 GB, free: 462.9 MB / 1.073 GB
Notification: Performance of collectInitialBindings (initialization): time 0.005459/6.09, allocations: 2.61 MB / 1.732 GB, free: 460.7 MB / 1.073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.002664/6.092, allocations: 221.9 kB / 1.733 GB, free: 460.5 MB / 1.073 GB
Notification: Performance of setup shared object (initialization): time 0.0009905/6.093, allocations: 0.7293 MB / 1.733 GB, free: 459.9 MB / 1.073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02222/6.116, allocations: 5.427 MB / 1.739 GB, free: 457.2 MB / 1.073 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.02524/6.141, allocations: 9.256 MB / 1.748 GB, free: 449.5 MB / 1.073 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0251/6.166, allocations: 6.957 MB / 1.754 GB, free: 445.5 MB / 1.073 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001593/6.166, allocations: 28 kB / 1.754 GB, free: 445.5 MB / 1.073 GB
Notification: Performance of matching and sorting (n=1406) (initialization): time 0.08161/6.248, allocations: 18.07 MB / 1.772 GB, free: 427.5 MB / 1.073 GB
Notification: Performance of prepare postOptimizeDAE: time 0.01746/6.265, allocations: 83.18 MB / 1.853 GB, free: 342 MB / 1.073 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0003922/6.266, allocations: 106.1 kB / 1.853 GB, free: 341.9 MB / 1.073 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01295/6.279, allocations: 1.679 MB / 1.855 GB, free: 340.2 MB / 1.073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.03635/6.315, allocations: 2.83 MB / 1.858 GB, free: 337.4 MB / 1.073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04301/6.358, allocations: 21.05 MB / 1.878 GB, free: 315.1 MB / 1.073 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.04365/6.402, allocations: 1.611 MB / 1.88 GB, free: 313.5 MB / 1.073 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004269/6.406, allocations: 0.6169 MB / 1.881 GB, free: 312.9 MB / 1.073 GB
Notification: Performance of prepare postOptimizeDAE: time 1.954e-05/6.406, allocations: 6.188 kB / 1.881 GB, free: 312.9 MB / 1.073 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.08281/6.489, allocations: 16.01 MB / 1.896 GB, free: 296.7 MB / 1.073 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0004834/6.49, allocations: 104 kB / 1.896 GB, free: 296.6 MB / 1.073 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01362/6.503, allocations: 1.682 MB / 1.898 GB, free: 294.9 MB / 1.073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02502/6.528, allocations: 2.711 MB / 1.901 GB, free: 292.2 MB / 1.073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03076/6.559, allocations: 21.02 MB / 1.921 GB, free: 269.9 MB / 1.073 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02798/6.587, allocations: 1.558 MB / 1.923 GB, free: 268.4 MB / 1.073 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003224/6.59, allocations: 0.5836 MB / 1.923 GB, free: 267.8 MB / 1.073 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 472
 * Number of states: 0 ()
 * Number of discrete variables: 60 ($whenCondition12,$PRE.QCoo5.nextTimeEvent,$whenCondition11,$PRE.QHea7.nextTimeEvent,$whenCondition10,$PRE.QHea6.nextTimeEvent,$whenCondition9,$PRE.QHea5.nextTimeEvent,$whenCondition8,$PRE.QCoo4.nextTimeEvent,$whenCondition7,$PRE.QCoo3.nextTimeEvent,$whenCondition6,$PRE.QHea4.nextTimeEvent,$whenCondition5,$PRE.QHea3.nextTimeEvent,$whenCondition4,$PRE.QCoo2.nextTimeEvent,$whenCondition3,$PRE.QCoo1.nextTimeEvent,$whenCondition2,$PRE.QHea2.nextTimeEvent,$whenCondition1,$PRE.QHea1.nextTimeEvent,QHea1.nextTimeEvent,$PRE.QHea1.nextTimeEventScaled,QHea1.nextTimeEventScaled,QHea2.nextTimeEvent,$PRE.QHea2.nextTimeEventScaled,QHea2.nextTimeEventScaled,QCoo1.nextTimeEvent,$PRE.QCoo1.nextTimeEventScaled,QCoo1.nextTimeEventScaled,QCoo2.nextTimeEvent,$PRE.QCoo2.nextTimeEventScaled,QCoo2.nextTimeEventScaled,QHea3.nextTimeEvent,$PRE.QHea3.nextTimeEventScaled,QHea3.nextTimeEventScaled,QHea4.nextTimeEvent,$PRE.QHea4.nextTimeEventScaled,QHea4.nextTimeEventScaled,QCoo3.nextTimeEvent,$PRE.QCoo3.nextTimeEventScaled,QCoo3.nextTimeEventScaled,QCoo4.nextTimeEvent,$PRE.QCoo4.nextTimeEventScaled,QCoo4.nextTimeEventScaled,QHea5.nextTimeEvent,$PRE.QHea5.nextTimeEventScaled,QHea5.nextTimeEventScaled,QHea6.nextTimeEvent,$PRE.QHea6.nextTimeEventScaled,QHea6.nextTimeEventScaled,QHea7.nextTimeEvent,$PRE.QHea7.nextTimeEventScaled,QHea7.nextTimeEventScaled,QCoo5.nextTimeEvent,$PRE.QCoo5.nextTimeEventScaled,QCoo5.nextTimeEventScaled)
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (1277):
 * Single equations (assignments): 1244
 * Array equations: 12
 * Algorithm blocks: 12
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 9
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 9 {(2,100.0%) 10,(1,100.0%) 6,(1,100.0%) 8,(1,100.0%) 6,(2,100.0%) 13,(1,100.0%) 6,(1,100.0%) 6,(1,100.0%) 6,(1,100.0%) 6}
 * Non-linear torn systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.01752/6.608, allocations: 5.393 MB / 1.928 GB, free: 262.4 MB / 1.073 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00719/6.615, allocations: 1.898 MB / 1.93 GB, free: 260.5 MB / 1.073 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.06861/6.684, allocations: 16.15 MB / 1.946 GB, free: 244.2 MB / 1.073 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.05251/6.736, allocations: 12.62 MB / 1.958 GB, free: 231.4 MB / 1.073 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.848e-05/6.736, allocations: 0 / 1.958 GB, free: 231.4 MB / 1.073 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01405/6.751, allocations: 3.665 MB / 1.962 GB, free: 227.7 MB / 1.073 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007134/6.758, allocations: 184 kB / 1.962 GB, free: 227.5 MB / 1.073 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02705/6.785, allocations: 1.517 MB / 1.964 GB, free: 226 MB / 1.073 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0025/6.787, allocations: 0.5683 MB / 1.964 GB, free: 225.4 MB / 1.073 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 0.04904/6.836, allocations: 9.851 MB / 1.974 GB, free: 215.7 MB / 1.073 GB
Error: post-optimization module createDAEmodeBDAE (simulation) failed.