Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_5_0_1_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(Buildings): time 4.271/4.271, allocations: 403.3 MB / 415.4 MB, free: 13.02 MB / 330.7 MB Notification: Performance of FrontEnd - loaded program: time 3.571e-05/3.571e-05, allocations: 7.938 kB / 0.4992 GB, free: 13.33 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6684/0.6685, allocations: 92.68 MB / 0.5897 GB, free: 14.39 MB / 490.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.3174/0.9859, allocations: 181.8 MB / 0.7672 GB, free: 8.285 MB / 0.6511 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0005105/0.9865, allocations: 111.9 kB / 0.7674 GB, free: 8.176 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 1.003/1.99, allocations: 133.2 MB / 0.8974 GB, free: 68.12 MB / 0.6511 GB Notification: Performance of FrontEnd: time 2.164e-06/1.99, allocations: 4 kB / 0.8974 GB, free: 68.12 MB / 0.6511 GB Notification: Performance of Transformations before backend: time 0.0001791/1.99, allocations: 71.98 kB / 0.8975 GB, free: 68.05 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: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01361/2.004, allocations: 2.933 MB / 0.9003 GB, free: 65.06 MB / 0.6511 GB Notification: Performance of prepare preOptimizeDAE: time 6.571e-05/2.004, allocations: 8.031 kB / 0.9004 GB, free: 65.05 MB / 0.6511 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002524/2.006, allocations: 0.5421 MB / 0.9009 GB, free: 64.5 MB / 0.6511 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0219/2.028, allocations: 2.098 MB / 0.9029 GB, free: 62.39 MB / 0.6511 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007138/2.036, allocations: 2.181 MB / 0.9051 GB, free: 60.17 MB / 0.6511 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003329/2.036, allocations: 263.1 kB / 0.9053 GB, free: 59.91 MB / 0.6511 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001961/2.038, allocations: 348 kB / 0.9056 GB, free: 59.57 MB / 0.6511 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01833/2.056, allocations: 5.908 MB / 0.9114 GB, free: 53.56 MB / 0.6511 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001369/2.056, allocations: 3.938 kB / 0.9114 GB, free: 53.56 MB / 0.6511 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001109/2.058, allocations: 148 kB / 0.9116 GB, free: 53.41 MB / 0.6511 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000819/2.058, allocations: 298 kB / 0.9118 GB, free: 53.12 MB / 0.6511 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01626/2.075, allocations: 5.329 MB / 0.917 GB, free: 47.79 MB / 0.6511 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04683/2.122, allocations: 20.29 MB / 0.9369 GB, free: 26.86 MB / 0.6511 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009077/2.131, allocations: 4.477 MB / 0.9412 GB, free: 22.07 MB / 0.6511 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00556/2.136, allocations: 2.047 MB / 0.9432 GB, free: 20.01 MB / 0.6511 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005562/2.137, allocations: 135 kB / 0.9434 GB, free: 19.86 MB / 0.6511 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.279e-05/2.137, allocations: 60.48 kB / 0.9434 GB, free: 19.79 MB / 0.6511 GB Notification: Performance of pre-optimization done (n=208): time 8.366e-06/2.137, allocations: 8 kB / 0.9434 GB, free: 19.78 MB / 0.6511 GB Notification: Performance of matching and sorting (n=277): time 0.1692/2.306, allocations: 25.87 MB / 0.9687 GB, free: 9.863 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001512/2.307, allocations: 239.6 kB / 0.9689 GB, free: 9.578 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003123/2.31, allocations: 1.259 MB / 0.9702 GB, free: 8.309 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.0008075/2.311, allocations: 69.7 kB / 0.9702 GB, free: 8.234 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.001541/2.312, allocations: 1.474 MB / 0.9717 GB, free: 6.738 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.001776/2.314, allocations: 0.9396 MB / 0.9726 GB, free: 5.785 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005779/2.315, allocations: 68 kB / 0.9726 GB, free: 5.719 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.0003663/2.315, allocations: 440.8 kB / 0.9731 GB, free: 5.281 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006215/2.321, allocations: 2.115 MB / 0.9751 GB, free: 3.164 MB / 0.6667 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007533/2.329, allocations: 3.007 MB / 0.9781 GB, free: 15.78 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007268/2.336, allocations: 2.588 MB / 0.9806 GB, free: 13.16 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.812e-05/2.336, allocations: 11.95 kB / 0.9806 GB, free: 13.15 MB / 0.6823 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.03093/2.367, allocations: 8.038 MB / 0.9884 GB, free: 5.055 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.005976/2.373, allocations: 10.62 MB / 0.9988 GB, free: 9.594 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000166/2.373, allocations: 28 kB / 0.9988 GB, free: 9.566 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.06833/2.442, allocations: 6.513 MB / 1.005 GB, free: 3.039 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01002/2.452, allocations: 0.8735 MB / 1.006 GB, free: 2.164 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04143/2.493, allocations: 14.65 MB / 1.02 GB, free: 3.344 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00761/2.501, allocations: 0.5378 MB / 1.021 GB, free: 2.805 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001053/2.502, allocations: 188.2 kB / 1.021 GB, free: 2.621 MB / 0.7136 GB Notification: Performance of prepare postOptimizeDAE: time 1.492e-05/2.502, allocations: 5.875 kB / 1.021 GB, free: 2.617 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.008151/2.51, allocations: 2.617 MB / 1.024 GB, free: 15.98 MB / 0.7292 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated