Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,fileNamePrefix="Buildings_7_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.446/4.446, allocations: 460.4 MB / 472.6 MB, free: 5.391 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.609e-05/4.616e-05, allocations: 3.984 kB / 0.5682 GB, free: 10.06 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2491/0.2492, allocations: 106.2 MB / 0.6719 GB, free: 15.65 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.001/1.251, allocations: 191.8 MB / 0.8593 GB, free: 5.551 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004613/1.251, allocations: 112.9 kB / 0.8594 GB, free: 5.484 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5244/1.776, allocations: 123.4 MB / 0.9799 GB, free: 4.285 MB / 0.7605 GB
Notification: Performance of FrontEnd: time 2.284e-06/1.776, allocations: 0 / 0.9799 GB, free: 4.285 MB / 0.7605 GB
Notification: Performance of Transformations before backend: time 0.0002148/1.776, allocations: 67.98 kB / 0.9799 GB, free: 4.219 MB / 0.7605 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 0.01334/1.789, allocations: 2.67 MB / 0.9826 GB, free: 1.492 MB / 0.7605 GB
Notification: Performance of prepare preOptimizeDAE: time 6.564e-05/1.789, allocations: 8.031 kB / 0.9826 GB, free: 1.484 MB / 0.7605 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002466/1.792, allocations: 488 kB / 0.983 GB, free: 0.9961 MB / 0.7605 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02263/1.814, allocations: 2.083 MB / 0.9851 GB, free: 14.91 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007511/1.822, allocations: 2.001 MB / 0.987 GB, free: 12.86 MB / 0.7761 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00035/1.822, allocations: 226.1 kB / 0.9872 GB, free: 12.64 MB / 0.7761 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001831/1.824, allocations: 304 kB / 0.9875 GB, free: 12.34 MB / 0.7761 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01893/1.843, allocations: 5.279 MB / 0.9927 GB, free: 6.953 MB / 0.7761 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001217/1.843, allocations: 7.953 kB / 0.9927 GB, free: 6.945 MB / 0.7761 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008709/1.844, allocations: 131.9 kB / 0.9928 GB, free: 6.816 MB / 0.7761 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000924/1.845, allocations: 289.2 kB / 0.9931 GB, free: 6.531 MB / 0.7761 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01759/1.863, allocations: 4.961 MB / 0.9979 GB, free: 1.562 MB / 0.7761 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05687/1.92, allocations: 24.77 MB / 1.022 GB, free: 6.73 MB / 0.8073 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01139/1.931, allocations: 4.932 MB / 1.027 GB, free: 1.441 MB / 0.8073 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006656/1.938, allocations: 2.313 MB / 1.029 GB, free: 15.11 MB / 0.823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004574/1.938, allocations: 143 kB / 1.029 GB, free: 14.95 MB / 0.823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.351e-05/1.938, allocations: 64.55 kB / 1.029 GB, free: 14.88 MB / 0.823 GB
Notification: Performance of pre-optimization done (n=230): time 5.841e-06/1.938, allocations: 4 kB / 1.029 GB, free: 14.88 MB / 0.823 GB
Notification: Performance of matching and sorting (n=311): time 0.2254/2.164, allocations: 30.92 MB / 1.06 GB, free: 15.95 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001675/2.164, allocations: 247.8 kB / 1.06 GB, free: 15.66 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00271/2.167, allocations: 1.111 MB / 1.061 GB, free: 14.53 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009398/2.168, allocations: 77.7 kB / 1.061 GB, free: 14.45 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001249/2.169, allocations: 1.231 MB / 1.062 GB, free: 13.2 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001928/2.171, allocations: 1.043 MB / 1.063 GB, free: 12.14 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004686/2.172, allocations: 64 kB / 1.063 GB, free: 12.07 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0003415/2.172, allocations: 448.7 kB / 1.064 GB, free: 11.63 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00646/2.178, allocations: 2.236 MB / 1.066 GB, free: 9.391 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007631/2.186, allocations: 2.904 MB / 1.069 GB, free: 6.223 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007749/2.194, allocations: 2.654 MB / 1.071 GB, free: 3.547 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.303e-05/2.194, allocations: 4 kB / 1.071 GB, free: 3.543 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.03224/2.226, allocations: 8.377 MB / 1.079 GB, free: 11.11 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003602/2.23, allocations: 7.32 MB / 1.087 GB, free: 3.215 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.905e-05/2.23, allocations: 16 kB / 1.087 GB, free: 3.199 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6912/2.921, allocations: 6.749 MB / 1.093 GB, free: 242.7 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007742/2.929, allocations: 0.8266 MB / 1.094 GB, free: 242.7 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0477/2.977, allocations: 16.65 MB / 1.11 GB, free: 240.9 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007636/2.985, allocations: 0.5063 MB / 1.111 GB, free: 240.9 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001224/2.986, allocations: 180.8 kB / 1.111 GB, free: 240.9 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.698e-05/2.986, allocations: 4.672 kB / 1.111 GB, free: 240.9 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 0.008873/2.995, allocations: 2.68 MB / 1.114 GB, free: 240.7 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated