Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadModel(Buildings): time 4.732/4.732, allocations: 458.9 MB / 473.4 MB, free: 11.82 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.937e-05/2.953e-05, allocations: 3.344 kB / 0.5697 GB, free: 9.805 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2408/0.2409, allocations: 106.2 MB / 0.6735 GB, free: 2.598 MB / 0.5417 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02831/0.2692, allocations: 15.88 MB / 0.689 GB, free: 2.664 MB / 0.5573 GB
Notification: Performance of NFInst.instExpressions: time 0.01454/0.2838, allocations: 5.911 MB / 0.6948 GB, free: 12.74 MB / 0.573 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001769/0.2857, allocations: 63.88 kB / 0.6948 GB, free: 12.68 MB / 0.573 GB
Notification: Performance of NFTyping.typeComponents: time 0.001683/0.2874, allocations: 421.5 kB / 0.6952 GB, free: 12.26 MB / 0.573 GB
Notification: Performance of NFTyping.typeBindings: time 0.003834/0.2912, allocations: 0.7475 MB / 0.6959 GB, free: 11.51 MB / 0.573 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003372/0.2947, allocations: 0.7796 MB / 0.6967 GB, free: 10.73 MB / 0.573 GB
Notification: Performance of NFFlatten.flatten: time 0.004523/0.2992, allocations: 1.798 MB / 0.6985 GB, free: 8.93 MB / 0.573 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01549/0.3148, allocations: 6.913 MB / 0.7052 GB, free: 1.965 MB / 0.573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002825/0.3177, allocations: 1.04 MB / 0.7062 GB, free: 0.9219 MB / 0.573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004181/0.3219, allocations: 1.504 MB / 0.7077 GB, free: 15.41 MB / 0.5886 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002907/0.3249, allocations: 0.5696 MB / 0.7083 GB, free: 14.84 MB / 0.5886 GB
Notification: Performance of NFPackage.collectConstants: time 0.001129/0.326, allocations: 168 kB / 0.7084 GB, free: 14.68 MB / 0.5886 GB
Notification: Performance of NFScalarize.scalarize: time 0.002927/0.329, allocations: 1.622 MB / 0.71 GB, free: 13.05 MB / 0.5886 GB
Notification: Performance of NFVerifyModel.verify: time 0.001636/0.3307, allocations: 288 kB / 0.7103 GB, free: 12.77 MB / 0.5886 GB
Notification: Performance of NFConvertDAE.convert: time 0.01057/0.3413, allocations: 6.39 MB / 0.7165 GB, free: 6.367 MB / 0.5886 GB
Notification: Performance of FrontEnd - DAE generated: time 5.43e-06/0.3413, allocations: 0 / 0.7165 GB, free: 6.367 MB / 0.5886 GB
Notification: Performance of FrontEnd: time 3.647e-06/0.3413, allocations: 0 / 0.7165 GB, free: 6.367 MB / 0.5886 GB
Notification: Performance of Transformations before backend: time 0.0002453/0.3416, allocations: 0 / 0.7165 GB, free: 6.367 MB / 0.5886 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 0.01101/0.3526, allocations: 2.95 MB / 0.7194 GB, free: 3.359 MB / 0.5886 GB
Notification: Performance of prepare preOptimizeDAE: time 5.3e-05/0.3527, allocations: 8.031 kB / 0.7194 GB, free: 3.352 MB / 0.5886 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02349/0.3762, allocations: 2.449 MB / 0.7218 GB, free: 0.8945 MB / 0.5886 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007451/0.3837, allocations: 2.123 MB / 0.7239 GB, free: 14.72 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004011/0.3841, allocations: 271 kB / 0.7241 GB, free: 14.45 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001804/0.386, allocations: 344 kB / 0.7245 GB, free: 14.12 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0262/0.4122, allocations: 7.036 MB / 0.7313 GB, free: 6.977 MB / 0.6042 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002188/0.4125, allocations: 11.92 kB / 0.7313 GB, free: 6.965 MB / 0.6042 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002108/0.4146, allocations: 140 kB / 0.7315 GB, free: 6.828 MB / 0.6042 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001333/0.416, allocations: 334 kB / 0.7318 GB, free: 6.5 MB / 0.6042 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03134/0.4474, allocations: 6.961 MB / 0.7386 GB, free: 15.53 MB / 0.6198 GB
Warning: The model contains alias variables with redundant start and/or conflicting 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 0.05666/0.5041, allocations: 27.05 MB / 0.765 GB, free: 2.23 MB / 0.6355 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01509/0.5193, allocations: 4.929 MB / 0.7698 GB, free: 13 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005028/0.5198, allocations: 131 kB / 0.7699 GB, free: 12.85 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.129e-05/0.5199, allocations: 60.52 kB / 0.77 GB, free: 12.79 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=208): time 5.27e-06/0.5199, allocations: 7.938 kB / 0.77 GB, free: 12.78 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=277): time 0.1739/0.6938, allocations: 28.17 MB / 0.7975 GB, free: 488 kB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001509/0.694, allocations: 239.6 kB / 0.7977 GB, free: 196 kB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00289/0.6969, allocations: 1.245 MB / 0.799 GB, free: 14.94 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006673/0.6977, allocations: 73.7 kB / 0.799 GB, free: 14.86 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001517/0.6992, allocations: 1.486 MB / 0.8005 GB, free: 13.35 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001682/0.7009, allocations: 0.9358 MB / 0.8014 GB, free: 12.4 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005059/0.7015, allocations: 68 kB / 0.8015 GB, free: 12.34 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.000348/0.7018, allocations: 444.8 kB / 0.8019 GB, free: 11.89 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01099/0.7128, allocations: 2.613 MB / 0.8044 GB, free: 9.277 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01195/0.7248, allocations: 3.498 MB / 0.8079 GB, free: 5.402 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01232/0.7372, allocations: 3.057 MB / 0.8108 GB, free: 2.324 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.644e-05/0.7373, allocations: 8 kB / 0.8108 GB, free: 2.316 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.6235/1.361, allocations: 10.12 MB / 0.8207 GB, free: 124.1 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002508/1.363, allocations: 10.36 MB / 0.8308 GB, free: 113.1 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001139/1.364, allocations: 25.47 kB / 0.8309 GB, free: 113.1 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03113/1.395, allocations: 5.044 MB / 0.8358 GB, free: 112.4 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007935/1.403, allocations: 0.9768 MB / 0.8368 GB, free: 112.4 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03864/1.441, allocations: 15.32 MB / 0.8517 GB, free: 105.4 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007249/1.449, allocations: 0.5394 MB / 0.8522 GB, free: 105.3 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007222/1.449, allocations: 149.6 kB / 0.8524 GB, free: 105.2 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.385e-05/1.449, allocations: 3.938 kB / 0.8524 GB, free: 105.2 MB / 0.6823 GB
Warning: The linear system: 
1 : line2.i3[1] - transformer.conv2.terminal_p.i[1] = -transformer.conv3.terminal_p.i[1]
2 : line2.i2[1] - transformer.conv1.terminal_p.i[1] = -transformer.conv2.terminal_p.i[1]
3 : line2.i1[1] - transformer.conv3.terminal_p.i[1] = -transformer.conv1.terminal_p.i[1]
[
  1.0 , 0.0 , -1.0 ;
  0.0 , -1.0 , 1.0 ;
  -1.0 , 1.0 , 0.0
]
  *
[
  transformer.conv3.terminal_p.i[1] ;
  transformer.conv1.terminal_p.i[1] ;
  transformer.conv2.terminal_p.i[1]
]
  =
[
  -line2.i3[1] ;
  -line2.i2[1] ;
  -line2.i1[1]
]
 might be structurally or numerically singular for variable transformer.conv2.terminal_p.i[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : line2.i3[2] - transformer.conv2.terminal_p.i[2] = -transformer.conv3.terminal_p.i[2]
2 : line2.i1[2] - transformer.conv3.terminal_p.i[2] = -transformer.conv1.terminal_p.i[2]
3 : line2.i2[2] - transformer.conv1.terminal_p.i[2] = -transformer.conv2.terminal_p.i[2]
[
  -1.0 , 0.0 , 1.0 ;
  0.0 , 1.0 , -1.0 ;
  1.0 , -1.0 , 0.0
]
  *
[
  transformer.conv2.terminal_p.i[2] ;
  transformer.conv1.terminal_p.i[2] ;
  transformer.conv3.terminal_p.i[2]
]
  =
[
  -line2.i3[2] ;
  -line2.i1[2] ;
  -line2.i2[2]
]
 might be structurally or numerically singular for variable transformer.conv3.terminal_p.i[2] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : transformer.conv1.V2[2] = line2.v1_n[2] - line2.v2_n[2]
2 : transformer.conv2.V2[2] = line2.v2_n[2] - line2.v3_n[2]
3 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2]
[
  -1.0 , 0.0 , 1.0 ;
  0.0 , 1.0 , -1.0 ;
  1.0 , -1.0 , 0.0
]
  *
[
  line2.v1_n[2] ;
  line2.v3_n[2] ;
  line2.v2_n[2]
]
  =
[
  -transformer.conv1.V2[2] ;
  -transformer.conv2.V2[2] ;
  -transformer.conv3.V2[2]
]
 might be structurally or numerically singular for variable line2.v2_n[2] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : transformer.conv2.V2[1] = line2.v2_n[1] - line2.v3_n[1]
3 : transformer.conv3.V2[1] = line2.v3_n[1] - line2.v1_n[1]
[
  -1.0 , 0.0 , 1.0 ;
  0.0 , 1.0 , -1.0 ;
  1.0 , -1.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v3_n[1] ;
  line2.v2_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  -transformer.conv2.V2[1] ;
  -transformer.conv3.V2[1]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.03471/1.484, allocations: 9.222 MB / 0.8614 GB, free: 99.88 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000136/1.484, allocations: 31.3 kB / 0.8614 GB, free: 99.88 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01672/1.501, allocations: 3.037 MB / 0.8644 GB, free: 98.41 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008981/1.51, allocations: 1.127 MB / 0.8655 GB, free: 97.42 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04132/1.552, allocations: 24.44 MB / 0.8894 GB, free: 72.18 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006903/1.558, allocations: 0.5108 MB / 0.8899 GB, free: 71.67 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008313/1.559, allocations: 152 kB / 0.89 GB, free: 71.52 MB / 0.6823 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 119
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (298):
 * Single equations (assignments): 296
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 1 {(9,91.4%) 51}
 * Non-linear torn systems: 1 {9 51}
Notification: Performance of prepare postOptimizeDAE: time 0.00396/1.563, allocations: 1.495 MB / 0.8915 GB, free: 70.04 MB / 0.6823 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008733/1.564, allocations: 197.7 kB / 0.8916 GB, free: 69.84 MB / 0.6823 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04126/1.606, allocations: 9.414 MB / 0.9008 GB, free: 60.37 MB / 0.6823 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.218e-05/1.606, allocations: 28 kB / 0.9009 GB, free: 60.34 MB / 0.6823 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.191e-05/1.606, allocations: 16 kB / 0.9009 GB, free: 60.32 MB / 0.6823 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.411e-05/1.606, allocations: 11.95 kB / 0.9009 GB, free: 60.31 MB / 0.6823 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05355/1.659, allocations: 15.21 MB / 0.9158 GB, free: 44.99 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.046e-05/1.659, allocations: 8 kB / 0.9158 GB, free: 44.98 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006149/1.666, allocations: 0.7333 MB / 0.9165 GB, free: 44.25 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.02769/1.693, allocations: 4.807 MB / 0.9212 GB, free: 39.43 MB / 0.6823 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007275/1.694, allocations: 79.94 kB / 0.9212 GB, free: 39.35 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.07286/1.767, allocations: 22.82 MB / 0.9435 GB, free: 16.26 MB / 0.6823 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.321e-05/1.767, allocations: 17.16 kB / 0.9435 GB, free: 16.24 MB / 0.6823 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03969/1.807, allocations: 9.836 MB / 0.9532 GB, free: 6.047 MB / 0.6823 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002352/1.809, allocations: 0.7258 MB / 0.9539 GB, free: 5.305 MB / 0.6823 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009115/1.81, allocations: 55.94 kB / 0.9539 GB, free: 5.25 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00634/1.816, allocations: 495.2 kB / 0.9544 GB, free: 4.766 MB / 0.6823 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001087/1.818, allocations: 234.6 kB / 0.9546 GB, free: 4.535 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004387/1.818, allocations: 95.94 kB / 0.9547 GB, free: 4.441 MB / 0.6823 GB
Notification: Performance of sorting global known variables: time 0.001913/1.82, allocations: 0.9371 MB / 0.9556 GB, free: 3.5 MB / 0.6823 GB
Notification: Performance of sort global known variables: time 6.81e-07/1.82, allocations: 0 / 0.9556 GB, free: 3.5 MB / 0.6823 GB
Notification: Performance of remove unused functions: time 0.008678/1.829, allocations: 1.705 MB / 0.9573 GB, free: 1.797 MB / 0.6823 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (162):
 * Single equations (assignments): 160
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 1 {(9,91.4%) 51}
 * Non-linear torn systems: 1 {9 51}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0008144/1.83, allocations: 179.7 kB / 0.9575 GB, free: 1.613 MB / 0.6823 GB
Notification: Performance of simCode: created initialization part: time 0.04716/1.877, allocations: 11.44 MB / 0.9686 GB, free: 6.086 MB / 0.698 GB
Notification: Performance of simCode: created event and clocks part: time 1.684e-05/1.877, allocations: 5.938 kB / 0.9686 GB, free: 6.082 MB / 0.698 GB
Notification: Performance of simCode: created simulation system equations: time 0.01818/1.895, allocations: 4.144 MB / 0.9727 GB, free: 1.898 MB / 0.698 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002326/1.897, allocations: 215.7 kB / 0.9729 GB, free: 1.695 MB / 0.698 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03757/1.935, allocations: 10.23 MB / 0.9829 GB, free: 7.336 MB / 0.7136 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005757/1.941, allocations: 2.866 MB / 0.9857 GB, free: 4.438 MB / 0.7136 GB
Notification: Performance of simCode: alias equations: time 0.01027/1.951, allocations: 1.797 MB / 0.9874 GB, free: 2.637 MB / 0.7136 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001266/1.952, allocations: 155.3 kB / 0.9876 GB, free: 2.484 MB / 0.7136 GB
Notification: Performance of SimCode: time 1.713e-06/1.952, allocations: 3.938 kB / 0.9876 GB, free: 2.48 MB / 0.7136 GB
Notification: Performance of Templates: time 0.2133/2.166, allocations: 66.07 MB / 1.052 GB, free: 0.543 MB / 0.7761 GB