Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,fileNamePrefix="Buildings_5_0_1_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.008/4.008, allocations: 403.3 MB / 415.4 MB, free: 12.98 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.701e-05/3.716e-05, allocations: 4 kB / 0.4992 GB, free: 13.31 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6697/0.6697, allocations: 92.68 MB / 0.5897 GB, free: 14.38 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3615/1.031, allocations: 180.8 MB / 0.7662 GB, free: 9.348 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004587/1.032, allocations: 111.9 kB / 0.7663 GB, free: 9.238 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.9741/2.006, allocations: 122.3 MB / 0.8857 GB, free: 80.18 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.785e-06/2.006, allocations: 0 / 0.8857 GB, free: 80.18 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.00019/2.006, allocations: 71.92 kB / 0.8858 GB, free: 80.11 MB / 0.6511 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 0.01241/2.019, allocations: 2.666 MB / 0.8884 GB, free: 77.39 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.354e-05/2.019, allocations: 8.031 kB / 0.8884 GB, free: 77.38 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002273/2.021, allocations: 484 kB / 0.8889 GB, free: 76.9 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02199/2.043, allocations: 2.071 MB / 0.8909 GB, free: 74.82 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006968/2.05, allocations: 1.997 MB / 0.8928 GB, free: 72.78 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003151/2.05, allocations: 230.1 kB / 0.8931 GB, free: 72.55 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001964/2.052, allocations: 300 kB / 0.8933 GB, free: 72.26 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01794/2.07, allocations: 5.286 MB / 0.8985 GB, free: 66.86 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001226/2.071, allocations: 3.938 kB / 0.8985 GB, free: 66.86 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008581/2.071, allocations: 128 kB / 0.8986 GB, free: 66.73 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008327/2.072, allocations: 289.2 kB / 0.8989 GB, free: 66.45 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01541/2.088, allocations: 4.957 MB / 0.9038 GB, free: 61.48 MB / 0.6511 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04817/2.136, allocations: 18.4 MB / 0.9217 GB, free: 42.56 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01059/2.147, allocations: 4.933 MB / 0.9265 GB, free: 37.28 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.007996/2.155, allocations: 2.31 MB / 0.9288 GB, free: 34.96 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0006096/2.155, allocations: 139 kB / 0.9289 GB, free: 34.8 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.707e-05/2.155, allocations: 72.48 kB / 0.929 GB, free: 34.73 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 9.308e-06/2.155, allocations: 0 / 0.929 GB, free: 34.73 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=311): time 0.2321/2.388, allocations: 30.93 MB / 0.9592 GB, free: 3.781 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001053/2.388, allocations: 243.8 kB / 0.9594 GB, free: 3.492 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002404/2.39, allocations: 1.115 MB / 0.9605 GB, free: 2.359 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009449/2.391, allocations: 73.7 kB / 0.9606 GB, free: 2.281 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009049/2.392, allocations: 1.231 MB / 0.9618 GB, free: 1.031 MB / 0.6511 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001756/2.394, allocations: 1.04 MB / 0.9628 GB, free: 15.98 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005343/2.394, allocations: 64 kB / 0.9629 GB, free: 15.91 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0003978/2.395, allocations: 444.7 kB / 0.9633 GB, free: 15.47 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00674/2.402, allocations: 2.232 MB / 0.9655 GB, free: 13.24 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007904/2.41, allocations: 2.9 MB / 0.9683 GB, free: 10.07 MB / 0.6667 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007808/2.417, allocations: 2.662 MB / 0.9709 GB, free: 7.387 MB / 0.6667 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.175e-05/2.418, allocations: 8 kB / 0.9709 GB, free: 7.379 MB / 0.6667 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.03233/2.45, allocations: 8.358 MB / 0.9791 GB, free: 14.97 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003323/2.453, allocations: 7.33 MB / 0.9862 GB, free: 7.059 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.754e-05/2.453, allocations: 24 kB / 0.9863 GB, free: 7.035 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04846/2.502, allocations: 6.719 MB / 0.9928 GB, free: 308 kB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007853/2.51, allocations: 0.8228 MB / 0.9936 GB, free: 15.48 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04749/2.557, allocations: 16.65 MB / 1.01 GB, free: 14.65 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008119/2.566, allocations: 0.5107 MB / 1.01 GB, free: 14.14 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001417/2.567, allocations: 179.9 kB / 1.011 GB, free: 13.96 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 2.268e-05/2.567, allocations: 4.375 kB / 1.011 GB, free: 13.96 MB / 0.7136 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 0.009779/2.577, allocations: 2.688 MB / 1.013 GB, free: 11.26 MB / 0.7136 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated