Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD")
Notification: Performance of loadModel(Buildings): time 4.231/4.231, allocations: 464.6 MB / 476.8 MB, free: 2.125 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.42e-05/3.462e-05, allocations: 4 kB / 0.5731 GB, free: 5.691 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1963/0.1963, allocations: 107.2 MB / 0.6778 GB, free: 10.34 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7685/0.9649, allocations: 192.2 MB / 0.8655 GB, free: 11.89 MB / 0.6667 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003634/0.9653, allocations: 110.9 kB / 0.8656 GB, free: 11.82 MB / 0.6667 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5129/1.478, allocations: 123.4 MB / 0.9861 GB, free: 10.55 MB / 0.7761 GB
Notification: Performance of FrontEnd: time 3.035e-06/1.478, allocations: 0 / 0.9861 GB, free: 10.55 MB / 0.7761 GB
Notification: Performance of Transformations before backend: time 0.0001891/1.478, allocations: 67.98 kB / 0.9861 GB, free: 10.49 MB / 0.7761 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 0.009847/1.488, allocations: 2.666 MB / 0.9887 GB, free: 7.766 MB / 0.7761 GB
Notification: Performance of prepare preOptimizeDAE: time 4.71e-05/1.488, allocations: 8.031 kB / 0.9888 GB, free: 7.758 MB / 0.7761 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01589/1.504, allocations: 2.087 MB / 0.9908 GB, free: 5.664 MB / 0.7761 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006093/1.51, allocations: 1.997 MB / 0.9927 GB, free: 3.621 MB / 0.7761 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003498/1.511, allocations: 234.1 kB / 0.993 GB, free: 3.391 MB / 0.7761 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001623/1.512, allocations: 300 kB / 0.9933 GB, free: 3.098 MB / 0.7761 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01657/1.529, allocations: 5.282 MB / 0.9984 GB, free: 13.71 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001062/1.529, allocations: 7.938 kB / 0.9984 GB, free: 13.7 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001002/1.53, allocations: 132 kB / 0.9985 GB, free: 13.57 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006844/1.531, allocations: 289.2 kB / 0.9988 GB, free: 13.29 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01432/1.545, allocations: 4.961 MB / 1.004 GB, free: 8.316 MB / 0.7917 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04757/1.593, allocations: 24.78 MB / 1.028 GB, free: 13.48 MB / 0.823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009374/1.602, allocations: 4.933 MB / 1.033 GB, free: 8.18 MB / 0.823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005419/1.608, allocations: 2.313 MB / 1.035 GB, free: 5.852 MB / 0.823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004289/1.608, allocations: 139 kB / 1.035 GB, free: 5.695 MB / 0.823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.922e-05/1.608, allocations: 68.48 kB / 1.035 GB, free: 5.621 MB / 0.823 GB
Notification: Performance of pre-optimization done (n=230): time 7.047e-06/1.608, allocations: 3.938 kB / 1.035 GB, free: 5.617 MB / 0.823 GB
Notification: Performance of matching and sorting (n=311): time 0.1535/1.762, allocations: 30.93 MB / 1.065 GB, free: 6.684 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001749/1.762, allocations: 235.9 kB / 1.066 GB, free: 6.402 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002453/1.764, allocations: 1.119 MB / 1.067 GB, free: 5.266 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.000676/1.765, allocations: 73.7 kB / 1.067 GB, free: 5.188 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001443/1.767, allocations: 1.239 MB / 1.068 GB, free: 3.93 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001819/1.768, allocations: 1.043 MB / 1.069 GB, free: 2.871 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004536/1.769, allocations: 64 kB / 1.069 GB, free: 2.809 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0003886/1.769, allocations: 440.7 kB / 1.069 GB, free: 2.371 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005284/1.775, allocations: 2.236 MB / 1.072 GB, free: 140 kB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006499/1.781, allocations: 2.904 MB / 1.074 GB, free: 12.96 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006462/1.788, allocations: 2.66 MB / 1.077 GB, free: 10.28 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.338e-05/1.788, allocations: 8 kB / 1.077 GB, free: 10.27 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.0242/1.812, allocations: 8.361 MB / 1.085 GB, free: 1.859 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.004214/1.816, allocations: 7.323 MB / 1.092 GB, free: 9.957 MB / 0.8855 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.611e-05/1.816, allocations: 23.98 kB / 1.092 GB, free: 9.934 MB / 0.8855 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03397/1.85, allocations: 6.755 MB / 1.099 GB, free: 3.168 MB / 0.8855 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005068/1.855, allocations: 0.8228 MB / 1.1 GB, free: 2.344 MB / 0.8855 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.5398/2.395, allocations: 16.65 MB / 1.116 GB, free: 252.2 MB / 0.8855 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004953/2.4, allocations: 0.5068 MB / 1.117 GB, free: 252.2 MB / 0.8855 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001028/2.401, allocations: 181.2 kB / 1.117 GB, free: 252.2 MB / 0.8855 GB
Notification: Performance of prepare postOptimizeDAE: time 1.624e-05/2.401, allocations: 5 kB / 1.117 GB, free: 252.2 MB / 0.8855 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 0.007187/2.409, allocations: 2.685 MB / 1.119 GB, free: 252.1 MB / 0.8855 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated