Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.372/4.372, allocations: 464.6 MB / 476.8 MB, free: 2.199 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.86e-05/3.865e-05, allocations: 5.875 kB / 0.5732 GB, free: 5.613 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2569/0.2569, allocations: 107.2 MB / 0.6779 GB, free: 10.26 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9472/1.204, allocations: 192.2 MB / 0.8656 GB, free: 11.36 MB / 0.6667 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000467/1.205, allocations: 109.2 kB / 0.8657 GB, free: 11.3 MB / 0.6667 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5208/1.726, allocations: 123.4 MB / 0.9862 GB, free: 10.34 MB / 0.7761 GB
Notification: Performance of FrontEnd: time 2.946e-06/1.726, allocations: 0 / 0.9862 GB, free: 10.34 MB / 0.7761 GB
Notification: Performance of Transformations before backend: time 0.0002253/1.726, allocations: 63.94 kB / 0.9862 GB, free: 10.28 MB / 0.7761 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 863
 * Number of variables: 863
Notification: Performance of Generate backend data structure: time 0.01281/1.739, allocations: 2.677 MB / 0.9889 GB, free: 7.547 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 6.623e-05/1.739, allocations: 12.03 kB / 0.9889 GB, free: 7.535 MB / 0.7761 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002633/1.741, allocations: 484 kB / 0.9893 GB, free: 7.051 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02282/1.764, allocations: 2.087 MB / 0.9914 GB, free: 4.957 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007526/1.772, allocations: 1.993 MB / 0.9933 GB, free: 2.918 MB / 0.7761 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003715/1.772, allocations: 234.1 kB / 0.9935 GB, free: 2.688 MB / 0.7761 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00195/1.774, allocations: 300 kB / 0.9938 GB, free: 2.395 MB / 0.7761 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01984/1.794, allocations: 5.282 MB / 0.999 GB, free: 13 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001307/1.794, allocations: 11.94 kB / 0.999 GB, free: 12.99 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001428/1.796, allocations: 124 kB / 0.9991 GB, free: 12.87 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009663/1.797, allocations: 285.3 kB / 0.9994 GB, free: 12.59 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01759/1.814, allocations: 4.957 MB / 1.004 GB, free: 7.625 MB / 0.7917 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05819/1.873, allocations: 24.77 MB / 1.028 GB, free: 12.79 MB / 0.823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0121/1.885, allocations: 4.937 MB / 1.033 GB, free: 7.492 MB / 0.823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.007042/1.892, allocations: 2.31 MB / 1.035 GB, free: 5.168 MB / 0.823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005445/1.893, allocations: 139 kB / 1.036 GB, free: 5.012 MB / 0.823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.075e-05/1.893, allocations: 68.5 kB / 1.036 GB, free: 4.938 MB / 0.823 GB
Notification: Performance of pre-optimization done (n=230): time 5.841e-06/1.893, allocations: 0 / 1.036 GB, free: 4.938 MB / 0.823 GB
Notification: Performance of matching and sorting (n=311): time 0.2292/2.122, allocations: 30.93 MB / 1.066 GB, free: 5.996 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001669/2.122, allocations: 239.9 kB / 1.066 GB, free: 5.711 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002819/2.125, allocations: 1.111 MB / 1.067 GB, free: 4.582 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.00091/2.126, allocations: 77.7 kB / 1.067 GB, free: 4.5 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001349/2.127, allocations: 1.231 MB / 1.068 GB, free: 3.25 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002155/2.129, allocations: 1.051 MB / 1.07 GB, free: 2.184 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006552/2.13, allocations: 72 kB / 1.07 GB, free: 2.113 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0003726/2.131, allocations: 440.7 kB / 1.07 GB, free: 1.676 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006774/2.137, allocations: 2.236 MB / 1.072 GB, free: 15.43 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007822/2.145, allocations: 2.904 MB / 1.075 GB, free: 12.26 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007716/2.153, allocations: 2.656 MB / 1.078 GB, free: 9.582 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.689e-05/2.153, allocations: 4 kB / 1.078 GB, free: 9.578 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.0327/2.186, allocations: 8.369 MB / 1.086 GB, free: 1.156 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003549/2.189, allocations: 7.315 MB / 1.093 GB, free: 9.262 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.592e-05/2.19, allocations: 20.33 kB / 1.093 GB, free: 9.242 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04808/2.238, allocations: 6.751 MB / 1.1 GB, free: 2.48 MB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007606/2.245, allocations: 0.8268 MB / 1.1 GB, free: 1.652 MB / 0.8855 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6904/2.936, allocations: 16.66 MB / 1.117 GB, free: 251.5 MB / 0.8855 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007353/2.943, allocations: 0.506 MB / 1.117 GB, free: 251.5 MB / 0.8855 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000889/2.944, allocations: 180 kB / 1.117 GB, free: 251.5 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 1.449e-05/2.944, allocations: 4.156 kB / 1.117 GB, free: 251.5 MB / 0.8855 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singulare and cannot handled because number of unassigned equations is larger than number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.008158/2.952, allocations: 2.681 MB / 1.12 GB, free: 251.4 MB / 0.8855 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated