Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadModel(Buildings): time 4.709/4.709, allocations: 458.9 MB / 473.4 MB, free: 11.83 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.262e-05/4.251e-05, allocations: 3.25 kB / 0.5697 GB, free: 9.785 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2282/0.2283, allocations: 106.2 MB / 0.6735 GB, free: 2.586 MB / 0.5417 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02848/0.2568, allocations: 15.94 MB / 0.689 GB, free: 2.59 MB / 0.5573 GB
Notification: Performance of NFInst.instExpressions: time 0.01458/0.2714, allocations: 5.974 MB / 0.6949 GB, free: 12.6 MB / 0.573 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001709/0.2732, allocations: 63.88 kB / 0.6949 GB, free: 12.54 MB / 0.573 GB
Notification: Performance of NFTyping.typeComponents: time 0.0013/0.2745, allocations: 421.5 kB / 0.6953 GB, free: 12.12 MB / 0.573 GB
Notification: Performance of NFTyping.typeBindings: time 0.003405/0.278, allocations: 0.7669 MB / 0.6961 GB, free: 11.36 MB / 0.573 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003264/0.2813, allocations: 0.7679 MB / 0.6968 GB, free: 10.59 MB / 0.573 GB
Notification: Performance of NFFlatten.flatten: time 0.004447/0.2857, allocations: 1.828 MB / 0.6986 GB, free: 8.754 MB / 0.573 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01816/0.3039, allocations: 6.93 MB / 0.7054 GB, free: 1.773 MB / 0.573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002511/0.3065, allocations: 1.044 MB / 0.7064 GB, free: 0.7266 MB / 0.573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003695/0.3102, allocations: 1.516 MB / 0.7079 GB, free: 15.21 MB / 0.5886 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002475/0.3128, allocations: 0.5735 MB / 0.7084 GB, free: 14.63 MB / 0.5886 GB
Notification: Performance of NFPackage.collectConstants: time 0.001093/0.3139, allocations: 164 kB / 0.7086 GB, free: 14.47 MB / 0.5886 GB
Notification: Performance of NFScalarize.scalarize: time 0.002862/0.3168, allocations: 1.626 MB / 0.7102 GB, free: 12.84 MB / 0.5886 GB
Notification: Performance of NFVerifyModel.verify: time 0.001475/0.3183, allocations: 291.9 kB / 0.7105 GB, free: 12.56 MB / 0.5886 GB
Notification: Performance of NFConvertDAE.convert: time 0.0103/0.3286, allocations: 6.425 MB / 0.7167 GB, free: 6.117 MB / 0.5886 GB
Notification: Performance of FrontEnd - DAE generated: time 4.568e-06/0.3287, allocations: 0 / 0.7167 GB, free: 6.117 MB / 0.5886 GB
Notification: Performance of FrontEnd: time 3.146e-06/0.3287, allocations: 0 / 0.7167 GB, free: 6.117 MB / 0.5886 GB
Notification: Performance of Transformations before backend: time 0.0002061/0.3289, allocations: 0 / 0.7167 GB, free: 6.117 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01068/0.3396, allocations: 2.982 MB / 0.7197 GB, free: 3.078 MB / 0.5886 GB
Notification: Performance of prepare preOptimizeDAE: time 4.996e-05/0.3397, allocations: 12.03 kB / 0.7197 GB, free: 3.066 MB / 0.5886 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02312/0.3628, allocations: 2.457 MB / 0.7221 GB, free: 0.6016 MB / 0.5886 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007222/0.3701, allocations: 2.127 MB / 0.7241 GB, free: 14.43 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003587/0.3705, allocations: 271.1 kB / 0.7244 GB, free: 14.16 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001627/0.3721, allocations: 348 kB / 0.7247 GB, free: 13.82 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02493/0.3971, allocations: 7.073 MB / 0.7316 GB, free: 6.645 MB / 0.6042 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001203/0.3973, allocations: 0 / 0.7316 GB, free: 6.645 MB / 0.6042 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009286/0.3982, allocations: 156 kB / 0.7318 GB, free: 6.492 MB / 0.6042 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000863/0.3991, allocations: 338 kB / 0.7321 GB, free: 6.16 MB / 0.6042 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0331/0.4322, allocations: 6.973 MB / 0.7389 GB, free: 15.18 MB / 0.6198 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05581/0.4881, allocations: 27.14 MB / 0.7654 GB, free: 1.793 MB / 0.6355 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01509/0.5032, allocations: 4.926 MB / 0.7702 GB, free: 12.56 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005335/0.5038, allocations: 139 kB / 0.7704 GB, free: 12.41 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.858e-05/0.5039, allocations: 56.56 kB / 0.7704 GB, free: 12.34 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=208): time 5.981e-06/0.5039, allocations: 0 / 0.7704 GB, free: 12.34 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=277): time 0.1957/0.6996, allocations: 28.13 MB / 0.7979 GB, free: 80 kB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002135/0.6999, allocations: 247.6 kB / 0.7981 GB, free: 15.79 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003226/0.7032, allocations: 1.287 MB / 0.7994 GB, free: 14.49 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.000687/0.7039, allocations: 69.7 kB / 0.7995 GB, free: 14.42 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001634/0.7056, allocations: 1.501 MB / 0.8009 GB, free: 12.89 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002217/0.7078, allocations: 0.9396 MB / 0.8018 GB, free: 11.94 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006873/0.7086, allocations: 64 kB / 0.8019 GB, free: 11.88 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0003708/0.709, allocations: 444.7 kB / 0.8023 GB, free: 11.44 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01114/0.7201, allocations: 2.606 MB / 0.8049 GB, free: 8.828 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01222/0.7324, allocations: 3.498 MB / 0.8083 GB, free: 4.953 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01243/0.7449, allocations: 3.065 MB / 0.8113 GB, free: 1.867 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.616e-05/0.745, allocations: 8 kB / 0.8113 GB, free: 1.859 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.6282/1.373, allocations: 10.11 MB / 0.8212 GB, free: 123.9 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002422/1.376, allocations: 10.36 MB / 0.8313 GB, free: 112.9 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001082/1.376, allocations: 26.52 kB / 0.8313 GB, free: 112.9 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03068/1.406, allocations: 5.048 MB / 0.8362 GB, free: 112.2 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01036/1.417, allocations: 0.9734 MB / 0.8372 GB, free: 112.2 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05711/1.474, allocations: 15.33 MB / 0.8522 GB, free: 105.2 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009795/1.484, allocations: 0.5366 MB / 0.8527 GB, free: 105 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001038/1.485, allocations: 153.8 kB / 0.8528 GB, free: 104.9 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 2.013e-05/1.485, allocations: 3.969 kB / 0.8528 GB, free: 104.9 MB / 0.6823 GB
Warning: The linear system: 
1 : line2.i3[1] - transformer.conv3.terminal_p.i[1] = -transformer.conv1.terminal_p.i[1]
2 : line2.i2[1] - transformer.conv2.terminal_p.i[1] = -transformer.conv3.terminal_p.i[1]
3 : line2.i1[1] - transformer.conv1.terminal_p.i[1] = -transformer.conv2.terminal_p.i[1]
[
  1.0 , 0.0 , -1.0 ;
  0.0 , -1.0 , 1.0 ;
  -1.0 , 1.0 , 0.0
]
  *
[
  transformer.conv1.terminal_p.i[1] ;
  transformer.conv2.terminal_p.i[1] ;
  transformer.conv3.terminal_p.i[1]
]
  =
[
  -line2.i3[1] ;
  -line2.i2[1] ;
  -line2.i1[1]
]
 might be structurally or numerically singular for variable transformer.conv3.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.conv3.terminal_p.i[2] = -transformer.conv1.terminal_p.i[2]
2 : line2.i1[2] - transformer.conv1.terminal_p.i[2] = -transformer.conv2.terminal_p.i[2]
3 : line2.i2[2] - transformer.conv2.terminal_p.i[2] = -transformer.conv3.terminal_p.i[2]
[
  -1.0 , 0.0 , 1.0 ;
  0.0 , 1.0 , -1.0 ;
  1.0 , -1.0 , 0.0
]
  *
[
  transformer.conv3.terminal_p.i[2] ;
  transformer.conv2.terminal_p.i[2] ;
  transformer.conv1.terminal_p.i[2]
]
  =
[
  -line2.i3[2] ;
  -line2.i1[2] ;
  -line2.i2[2]
]
 might be structurally or numerically singular for variable transformer.conv1.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.v3_n[2] - line2.v1_n[2]
2 : transformer.conv3.V2[2] = line2.v2_n[2] - line2.v3_n[2]
3 : transformer.conv2.V2[2] = line2.v1_n[2] - line2.v2_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.v2_n[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv1.V2[2] ;
  -transformer.conv3.V2[2] ;
  -transformer.conv2.V2[2]
]
 might be structurally or numerically singular for variable line2.v3_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.v3_n[1] - line2.v1_n[1]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : transformer.conv3.V2[1] = line2.v2_n[1] - line2.v3_n[1]
[
  -1.0 , 0.0 , 1.0 ;
  0.0 , 1.0 , -1.0 ;
  1.0 , -1.0 , 0.0
]
  *
[
  line2.v3_n[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  -transformer.conv2.V2[1] ;
  -transformer.conv3.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.04759/1.533, allocations: 9.228 MB / 0.8618 GB, free: 99.59 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001596/1.533, allocations: 31.45 kB / 0.8619 GB, free: 99.59 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0227/1.556, allocations: 3.039 MB / 0.8648 GB, free: 97.98 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01171/1.567, allocations: 1.119 MB / 0.8659 GB, free: 96.86 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03608/1.604, allocations: 24.46 MB / 0.8898 GB, free: 71.62 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006634/1.61, allocations: 0.5183 MB / 0.8903 GB, free: 71.11 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008055/1.611, allocations: 148 kB / 0.8905 GB, free: 70.96 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 0.003946/1.615, allocations: 1.491 MB / 0.8919 GB, free: 69.47 MB / 0.6823 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008792/1.616, allocations: 205.6 kB / 0.8921 GB, free: 69.27 MB / 0.6823 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04113/1.657, allocations: 9.411 MB / 0.9013 GB, free: 59.8 MB / 0.6823 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.587e-05/1.657, allocations: 28 kB / 0.9013 GB, free: 59.77 MB / 0.6823 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.485e-05/1.657, allocations: 15.98 kB / 0.9013 GB, free: 59.75 MB / 0.6823 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.801e-05/1.657, allocations: 11.95 kB / 0.9014 GB, free: 59.74 MB / 0.6823 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05403/1.711, allocations: 15.19 MB / 0.9162 GB, free: 44.45 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.157e-05/1.711, allocations: 8 kB / 0.9162 GB, free: 44.44 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006207/1.718, allocations: 0.7302 MB / 0.9169 GB, free: 43.71 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.02792/1.746, allocations: 4.815 MB / 0.9216 GB, free: 38.88 MB / 0.6823 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007061/1.746, allocations: 71.95 kB / 0.9217 GB, free: 38.8 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.05708/1.803, allocations: 22.84 MB / 0.944 GB, free: 15.7 MB / 0.6823 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.145e-05/1.804, allocations: 12.03 kB / 0.944 GB, free: 15.69 MB / 0.6823 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.04459/1.848, allocations: 9.862 MB / 0.9536 GB, free: 5.344 MB / 0.6823 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002344/1.851, allocations: 0.7119 MB / 0.9543 GB, free: 4.613 MB / 0.6823 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009679/1.852, allocations: 63.94 kB / 0.9544 GB, free: 4.551 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006126/1.858, allocations: 499.2 kB / 0.9549 GB, free: 4.062 MB / 0.6823 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009828/1.859, allocations: 230.6 kB / 0.9551 GB, free: 3.836 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003803/1.859, allocations: 95.8 kB / 0.9552 GB, free: 3.746 MB / 0.6823 GB
Notification: Performance of sorting global known variables: time 0.001832/1.861, allocations: 0.9659 MB / 0.9561 GB, free: 2.777 MB / 0.6823 GB
Notification: Performance of sort global known variables: time 4.91e-07/1.861, allocations: 0 / 0.9561 GB, free: 2.777 MB / 0.6823 GB
Notification: Performance of remove unused functions: time 0.007335/1.868, allocations: 1.715 MB / 0.9578 GB, free: 1.062 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 {(9,92.6%) 51}
 * Non-linear torn systems: 1 {9 51}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0005953/1.869, allocations: 181 kB / 0.958 GB, free: 0.8828 MB / 0.6823 GB
Notification: Performance of simCode: created initialization part: time 0.04628/1.915, allocations: 11.45 MB / 0.9691 GB, free: 5.348 MB / 0.698 GB
Notification: Performance of simCode: created event and clocks part: time 1.333e-05/1.915, allocations: 0 / 0.9691 GB, free: 5.348 MB / 0.698 GB
Notification: Performance of simCode: created simulation system equations: time 0.01789/1.933, allocations: 4.163 MB / 0.9732 GB, free: 1.148 MB / 0.698 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002407/1.936, allocations: 234.1 kB / 0.9734 GB, free: 0.9258 MB / 0.698 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04303/1.979, allocations: 10.77 MB / 0.984 GB, free: 6.027 MB / 0.7136 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006124/1.985, allocations: 2.887 MB / 0.9868 GB, free: 3.105 MB / 0.7136 GB
Notification: Performance of simCode: alias equations: time 0.0105/1.995, allocations: 1.801 MB / 0.9885 GB, free: 1.301 MB / 0.7136 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001282/1.997, allocations: 155.3 kB / 0.9887 GB, free: 1.148 MB / 0.7136 GB
Notification: Performance of SimCode: time 1.423e-06/1.997, allocations: 3.938 kB / 0.9887 GB, free: 1.145 MB / 0.7136 GB
Notification: Performance of Templates: time 0.1722/2.169, allocations: 66.67 MB / 1.054 GB, free: 14.61 MB / 0.7917 GB