Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_7_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.25/4.25, allocations: 460.4 MB / 472.6 MB, free: 5.387 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.961e-05/3.967e-05, allocations: 4 kB / 0.5682 GB, free: 10.05 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2456/0.2456, allocations: 106.2 MB / 0.6719 GB, free: 15.64 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.04/1.285, allocations: 193.7 MB / 0.8611 GB, free: 3.359 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0005914/1.286, allocations: 111.6 kB / 0.8612 GB, free: 3.293 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.7382/2.024, allocations: 138.5 MB / 0.9965 GB, free: 2.973 MB / 0.7761 GB
Notification: Performance of FrontEnd: time 2.495e-06/2.024, allocations: 0 / 0.9965 GB, free: 2.973 MB / 0.7761 GB
Notification: Performance of Transformations before backend: time 0.0002301/2.024, allocations: 79.92 kB / 0.9965 GB, free: 2.895 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01338/2.038, allocations: 2.957 MB / 0.9994 GB, free: 15.88 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 6.179e-05/2.038, allocations: 12.03 kB / 0.9994 GB, free: 15.87 MB / 0.7917 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002743/2.041, allocations: 0.5424 MB / 1 GB, free: 15.32 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02369/2.064, allocations: 2.227 MB / 1.002 GB, free: 13.09 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008247/2.073, allocations: 2.181 MB / 1.004 GB, free: 10.86 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004415/2.073, allocations: 267.1 kB / 1.005 GB, free: 10.59 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002143/2.075, allocations: 348 kB / 1.005 GB, free: 10.25 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02279/2.098, allocations: 5.975 MB / 1.011 GB, free: 4.184 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001687/2.098, allocations: 3.953 kB / 1.011 GB, free: 4.18 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001648/2.1, allocations: 152 kB / 1.011 GB, free: 4.031 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009435/2.101, allocations: 306.1 kB / 1.011 GB, free: 3.73 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01913/2.12, allocations: 5.38 MB / 1.016 GB, free: 14.34 MB / 0.8073 GB
Warning: The model contains alias variables with conflicting start and/or 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 0.06159/2.182, allocations: 26.79 MB / 1.043 GB, free: 1.352 MB / 0.823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01098/2.193, allocations: 4.457 MB / 1.047 GB, free: 12.57 MB / 0.8386 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00607/2.199, allocations: 2.048 MB / 1.049 GB, free: 10.52 MB / 0.8386 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004704/2.2, allocations: 131 kB / 1.049 GB, free: 10.37 MB / 0.8386 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.824e-05/2.2, allocations: 64.48 kB / 1.049 GB, free: 10.3 MB / 0.8386 GB
Notification: Performance of pre-optimization done (n=208): time 5.4e-06/2.2, allocations: 4 kB / 1.049 GB, free: 10.29 MB / 0.8386 GB
Notification: Performance of matching and sorting (n=277): time 0.1755/2.375, allocations: 25.57 MB / 1.074 GB, free: 0.6719 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001641/2.375, allocations: 235.6 kB / 1.074 GB, free: 400 kB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003584/2.379, allocations: 1.296 MB / 1.076 GB, free: 15.09 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007676/2.38, allocations: 73.7 kB / 1.076 GB, free: 15.01 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001703/2.381, allocations: 1.505 MB / 1.077 GB, free: 13.48 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001855/2.383, allocations: 0.9396 MB / 1.078 GB, free: 12.53 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005767/2.384, allocations: 68 kB / 1.078 GB, free: 12.46 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.0003944/2.384, allocations: 444.8 kB / 1.079 GB, free: 12.02 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006462/2.391, allocations: 2.107 MB / 1.081 GB, free: 9.91 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007524/2.398, allocations: 2.991 MB / 1.083 GB, free: 6.535 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007425/2.406, allocations: 2.573 MB / 1.086 GB, free: 3.938 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.498e-05/2.406, allocations: 8 kB / 1.086 GB, free: 3.93 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.6604/3.066, allocations: 7.99 MB / 1.094 GB, free: 234.2 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003089/3.07, allocations: 10.62 MB / 1.104 GB, free: 223.1 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000135/3.07, allocations: 27.94 kB / 1.104 GB, free: 223.1 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05671/3.127, allocations: 5.728 MB / 1.11 GB, free: 223.1 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01082/3.137, allocations: 0.8728 MB / 1.111 GB, free: 223.1 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0619/3.199, allocations: 14.59 MB / 1.125 GB, free: 221.2 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01154/3.211, allocations: 0.5312 MB / 1.125 GB, free: 221.2 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001446/3.213, allocations: 174.7 kB / 1.126 GB, free: 221.2 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 2.079e-05/3.213, allocations: 4.812 kB / 1.126 GB, free: 221.2 MB / 0.8698 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 0.01249/3.225, allocations: 2.59 MB / 1.128 GB, free: 221.2 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated