Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_5_0_1_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 3.991/3.991, allocations: 403.3 MB / 415.4 MB, free: 13.01 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 6.164e-05/6.207e-05, allocations: 4 kB / 0.4992 GB, free: 13.3 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7958/0.7959, allocations: 92.68 MB / 0.5897 GB, free: 14.37 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3156/1.112, allocations: 182.6 MB / 0.768 GB, free: 7.508 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004692/1.112, allocations: 111.9 kB / 0.7681 GB, free: 7.398 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 1.056/2.168, allocations: 137.2 MB / 0.9021 GB, free: 63.3 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.474e-06/2.168, allocations: 0 / 0.9021 GB, free: 63.3 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001851/2.168, allocations: 72 kB / 0.9022 GB, free: 63.23 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01281/2.181, allocations: 2.959 MB / 0.905 GB, free: 60.22 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.556e-05/2.181, allocations: 8.031 kB / 0.9051 GB, free: 60.21 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002798/2.184, allocations: 0.5502 MB / 0.9056 GB, free: 59.65 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02399/2.208, allocations: 2.203 MB / 0.9077 GB, free: 57.44 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00734/2.215, allocations: 2.189 MB / 0.9099 GB, free: 55.2 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003412/2.216, allocations: 267.1 kB / 0.9101 GB, free: 54.94 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002025/2.218, allocations: 348 kB / 0.9105 GB, free: 54.6 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02534/2.243, allocations: 5.968 MB / 0.9163 GB, free: 48.54 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001392/2.243, allocations: 7.938 kB / 0.9163 GB, free: 48.53 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001251/2.245, allocations: 148 kB / 0.9164 GB, free: 48.38 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007736/2.246, allocations: 302.1 kB / 0.9167 GB, free: 48.09 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01678/2.262, allocations: 5.372 MB / 0.922 GB, free: 42.71 MB / 0.6511 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 0.04952/2.312, allocations: 20.41 MB / 0.9419 GB, free: 21.64 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009717/2.322, allocations: 4.473 MB / 0.9463 GB, free: 16.86 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005339/2.327, allocations: 2.05 MB / 0.9483 GB, free: 14.79 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004177/2.328, allocations: 135 kB / 0.9484 GB, free: 14.64 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.401e-05/2.328, allocations: 64.5 kB / 0.9485 GB, free: 14.57 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=208): time 5.42e-06/2.328, allocations: 0 / 0.9485 GB, free: 14.57 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=277): time 0.1634/2.491, allocations: 25.56 MB / 0.9734 GB, free: 4.961 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001748/2.491, allocations: 243.6 kB / 0.9737 GB, free: 4.672 MB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003209/2.494, allocations: 1.304 MB / 0.9749 GB, free: 3.359 MB / 0.6667 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007629/2.495, allocations: 65.7 kB / 0.975 GB, free: 3.289 MB / 0.6667 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001643/2.497, allocations: 1.49 MB / 0.9765 GB, free: 1.777 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001712/2.499, allocations: 0.9435 MB / 0.9774 GB, free: 0.8203 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004871/2.499, allocations: 64 kB / 0.9774 GB, free: 0.7578 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0003563/2.5, allocations: 444.8 kB / 0.9779 GB, free: 324 kB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006008/2.506, allocations: 2.107 MB / 0.9799 GB, free: 14.21 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007237/2.513, allocations: 2.991 MB / 0.9828 GB, free: 10.84 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007431/2.52, allocations: 2.573 MB / 0.9854 GB, free: 8.238 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.65e-05/2.52, allocations: 8 kB / 0.9854 GB, free: 8.23 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.04368/2.564, allocations: 7.987 MB / 0.9932 GB, free: 188 kB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.006895/2.571, allocations: 10.62 MB / 1.004 GB, free: 4.719 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001361/2.571, allocations: 27.94 kB / 1.004 GB, free: 4.691 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04496/2.616, allocations: 5.714 MB / 1.009 GB, free: 14.96 MB / 0.7136 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007953/2.624, allocations: 0.8735 MB / 1.01 GB, free: 14.09 MB / 0.7136 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04202/2.666, allocations: 14.6 MB / 1.024 GB, free: 15.32 MB / 0.7292 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008215/2.675, allocations: 0.5339 MB / 1.025 GB, free: 14.78 MB / 0.7292 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001305/2.676, allocations: 171.9 kB / 1.025 GB, free: 14.61 MB / 0.7292 GB
Notification: Performance of prepare postOptimizeDAE: time 2.115e-05/2.676, allocations: 5.562 kB / 1.025 GB, free: 14.61 MB / 0.7292 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 0.009531/2.686, allocations: 2.59 MB / 1.027 GB, free: 12 MB / 0.7292 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated