Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_5_0_1_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 3.972/3.972, allocations: 403.3 MB / 415.4 MB, free: 12.98 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 5.916e-05/5.913e-05, allocations: 14.89 kB / 0.4992 GB, free: 13.31 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7072/0.7073, allocations: 92.68 MB / 0.5897 GB, free: 14.37 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3226/1.03, allocations: 182.4 MB / 0.7678 GB, free: 7.656 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0006112/1.031, allocations: 107.9 kB / 0.7679 GB, free: 7.551 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 1.128/2.159, allocations: 133.7 MB / 0.8985 GB, free: 67.03 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 2.665e-06/2.159, allocations: 0 / 0.8985 GB, free: 67.03 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001819/2.159, allocations: 76 kB / 0.8985 GB, free: 66.96 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 0.01549/2.175, allocations: 2.949 MB / 0.9014 GB, free: 63.95 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 6.166e-05/2.175, allocations: 8.031 kB / 0.9014 GB, free: 63.95 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003354/2.178, allocations: 0.5463 MB / 0.902 GB, free: 63.39 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02951/2.208, allocations: 2.106 MB / 0.904 GB, free: 61.28 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.009486/2.217, allocations: 2.197 MB / 0.9062 GB, free: 59.04 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004358/2.218, allocations: 263.1 kB / 0.9064 GB, free: 58.78 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002327/2.22, allocations: 355.9 kB / 0.9068 GB, free: 58.43 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02412/2.244, allocations: 5.928 MB / 0.9125 GB, free: 52.4 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001478/2.244, allocations: 7.844 kB / 0.9126 GB, free: 52.39 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001467/2.246, allocations: 155.9 kB / 0.9127 GB, free: 52.24 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009057/2.247, allocations: 302.1 kB / 0.913 GB, free: 51.95 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01656/2.263, allocations: 5.345 MB / 0.9182 GB, free: 46.59 MB / 0.6511 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04895/2.312, allocations: 20.36 MB / 0.9381 GB, free: 25.6 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009185/2.322, allocations: 4.48 MB / 0.9425 GB, free: 20.82 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005077/2.327, allocations: 2.051 MB / 0.9445 GB, free: 18.75 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003789/2.327, allocations: 135 kB / 0.9446 GB, free: 18.6 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.094e-05/2.327, allocations: 64.56 kB / 0.9447 GB, free: 18.53 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=208): time 4.919e-06/2.327, allocations: 0 / 0.9447 GB, free: 18.53 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=277): time 0.169/2.496, allocations: 25.92 MB / 0.97 GB, free: 8.562 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001659/2.496, allocations: 243.6 kB / 0.9702 GB, free: 8.273 MB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003121/2.5, allocations: 1.308 MB / 0.9715 GB, free: 6.957 MB / 0.6667 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007512/2.5, allocations: 69.7 kB / 0.9715 GB, free: 6.883 MB / 0.6667 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001453/2.502, allocations: 1.482 MB / 0.973 GB, free: 5.379 MB / 0.6667 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001623/2.503, allocations: 0.9397 MB / 0.9739 GB, free: 4.426 MB / 0.6667 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004628/2.504, allocations: 64 kB / 0.974 GB, free: 4.363 MB / 0.6667 GB
Notification: Performance of setup shared object (initialization): time 0.0003197/2.504, allocations: 444.8 kB / 0.9744 GB, free: 3.922 MB / 0.6667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005872/2.51, allocations: 2.111 MB / 0.9764 GB, free: 1.809 MB / 0.6667 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007182/2.517, allocations: 3.003 MB / 0.9794 GB, free: 14.43 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007195/2.525, allocations: 2.581 MB / 0.9819 GB, free: 11.82 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.735e-05/2.525, allocations: 8 kB / 0.9819 GB, free: 11.81 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.04779/2.572, allocations: 8.046 MB / 0.9898 GB, free: 3.707 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.005987/2.579, allocations: 10.62 MB / 1 GB, free: 8.242 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001312/2.579, allocations: 27.98 kB / 1 GB, free: 8.215 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05915/2.638, allocations: 6.51 MB / 1.007 GB, free: 1.691 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007684/2.646, allocations: 0.8735 MB / 1.007 GB, free: 0.8164 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04254/2.688, allocations: 14.67 MB / 1.022 GB, free: 1.969 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00804/2.696, allocations: 0.53 MB / 1.022 GB, free: 1.438 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001212/2.698, allocations: 195.9 kB / 1.022 GB, free: 1.246 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 1.805e-05/2.698, allocations: 4 kB / 1.022 GB, free: 1.242 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 0.00838/2.706, allocations: 2.605 MB / 1.025 GB, free: 14.61 MB / 0.7292 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated