Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD")
Notification: Performance of loadModel(Buildings): time 4.459/4.459, allocations: 458.9 MB / 473.4 MB, free: 11.8 MB / 378.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.42e-05/3.428e-05, allocations: 3.375 kB / 0.5697 GB, free: 9.777 MB / 458.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.252/0.2521, 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.BalancedStepUp.YD): time 0.02844/0.2806, allocations: 15.87 MB / 0.689 GB, free: 2.656 MB / 0.5573 GB
Notification: Performance of NFInst.instExpressions: time 0.01472/0.2954, allocations: 5.915 MB / 0.6947 GB, free: 12.73 MB / 0.573 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001918/0.2974, allocations: 59.88 kB / 0.6948 GB, free: 12.67 MB / 0.573 GB
Notification: Performance of NFTyping.typeComponents: time 0.001872/0.2993, allocations: 421.5 kB / 0.6952 GB, free: 12.25 MB / 0.573 GB
Notification: Performance of NFTyping.typeBindings: time 0.003787/0.3031, allocations: 0.7552 MB / 0.6959 GB, free: 11.5 MB / 0.573 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003438/0.3066, allocations: 0.7719 MB / 0.6967 GB, free: 10.72 MB / 0.573 GB
Notification: Performance of NFFlatten.flatten: time 0.004541/0.3112, allocations: 1.805 MB / 0.6985 GB, free: 8.914 MB / 0.573 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01627/0.3275, allocations: 6.917 MB / 0.7052 GB, free: 1.945 MB / 0.573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0027/0.3303, allocations: 1.025 MB / 0.7062 GB, free: 0.918 MB / 0.573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004132/0.3345, allocations: 1.504 MB / 0.7077 GB, free: 15.41 MB / 0.5886 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003545/0.3381, allocations: 0.5813 MB / 0.7082 GB, free: 14.83 MB / 0.5886 GB
Notification: Performance of NFPackage.collectConstants: time 0.001546/0.3397, allocations: 164 kB / 0.7084 GB, free: 14.67 MB / 0.5886 GB
Notification: Performance of NFScalarize.scalarize: time 0.00392/0.3437, allocations: 1.626 MB / 0.71 GB, free: 13.04 MB / 0.5886 GB
Notification: Performance of NFVerifyModel.verify: time 0.002348/0.3461, allocations: 288 kB / 0.7103 GB, free: 12.76 MB / 0.5886 GB
Notification: Performance of NFConvertDAE.convert: time 0.0138/0.3599, allocations: 6.394 MB / 0.7165 GB, free: 6.348 MB / 0.5886 GB
Notification: Performance of FrontEnd - DAE generated: time 5.3e-06/0.36, allocations: 0 / 0.7165 GB, free: 6.348 MB / 0.5886 GB
Notification: Performance of FrontEnd: time 2.876e-06/0.36, allocations: 0 / 0.7165 GB, free: 6.348 MB / 0.5886 GB
Notification: Performance of Transformations before backend: time 0.000228/0.3602, allocations: 0 / 0.7165 GB, free: 6.348 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 0.01422/0.3745, allocations: 2.966 MB / 0.7194 GB, free: 3.324 MB / 0.5886 GB
Notification: Performance of prepare preOptimizeDAE: time 5.899e-05/0.3745, allocations: 8.031 kB / 0.7194 GB, free: 3.316 MB / 0.5886 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0327/0.4073, allocations: 2.445 MB / 0.7218 GB, free: 0.8633 MB / 0.5886 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008601/0.4159, allocations: 2.123 MB / 0.7239 GB, free: 14.69 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003598/0.4163, allocations: 267 kB / 0.7241 GB, free: 14.43 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001687/0.418, allocations: 344 kB / 0.7245 GB, free: 14.09 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0275/0.4456, allocations: 7.032 MB / 0.7313 GB, free: 6.953 MB / 0.6042 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001675/0.4458, allocations: 11.92 kB / 0.7313 GB, free: 6.941 MB / 0.6042 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001139/0.447, allocations: 148 kB / 0.7315 GB, free: 6.797 MB / 0.6042 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001175/0.4482, allocations: 330 kB / 0.7318 GB, free: 6.473 MB / 0.6042 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02908/0.4773, allocations: 6.961 MB / 0.7386 GB, free: 15.5 MB / 0.6198 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05623/0.5335, allocations: 27.05 MB / 0.765 GB, free: 2.203 MB / 0.6355 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01489/0.5485, allocations: 4.933 MB / 0.7698 GB, free: 12.96 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005146/0.5491, allocations: 127 kB / 0.7699 GB, free: 12.82 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.773e-05/0.5492, allocations: 64.5 kB / 0.77 GB, free: 12.75 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=208): time 7.374e-06/0.5492, allocations: 0 / 0.77 GB, free: 12.75 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=277): time 0.1772/0.7264, allocations: 28.09 MB / 0.7974 GB, free: 0.5312 MB / 0.6667 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001584/0.7266, allocations: 239.6 kB / 0.7977 GB, free: 252 kB / 0.6667 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002976/0.7296, allocations: 1.249 MB / 0.7989 GB, free: 14.99 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006532/0.7303, allocations: 73.7 kB / 0.799 GB, free: 14.91 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001442/0.7318, allocations: 1.482 MB / 0.8004 GB, free: 13.41 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001695/0.7335, allocations: 0.9395 MB / 0.8013 GB, free: 12.45 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005119/0.7341, allocations: 64 kB / 0.8014 GB, free: 12.39 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0003574/0.7344, allocations: 448.8 kB / 0.8018 GB, free: 11.95 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01121/0.7457, allocations: 2.61 MB / 0.8044 GB, free: 9.332 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01237/0.7581, allocations: 3.498 MB / 0.8078 GB, free: 5.457 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01254/0.7707, allocations: 3.065 MB / 0.8108 GB, free: 2.371 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.66e-05/0.7708, allocations: 8 kB / 0.8108 GB, free: 2.363 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.686/1.457, allocations: 10.1 MB / 0.8206 GB, free: 124.1 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002985/1.46, allocations: 10.36 MB / 0.8308 GB, free: 113 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000148/1.46, allocations: 27.05 kB / 0.8308 GB, free: 113 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0405/1.501, allocations: 5.045 MB / 0.8357 GB, free: 112.4 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01037/1.511, allocations: 0.9816 MB / 0.8367 GB, free: 112.3 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05698/1.568, allocations: 15.32 MB / 0.8516 GB, free: 105.3 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009581/1.578, allocations: 0.5381 MB / 0.8522 GB, free: 105.2 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001156/1.579, allocations: 150.1 kB / 0.8523 GB, free: 105.1 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 2.13e-05/1.579, allocations: 7.938 kB / 0.8523 GB, free: 105.1 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 0.04242/1.621, allocations: 9.243 MB / 0.8613 GB, free: 99.8 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001145/1.622, allocations: 27.64 kB / 0.8614 GB, free: 99.8 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01674/1.638, allocations: 3.032 MB / 0.8643 GB, free: 98.34 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008957/1.647, allocations: 1.126 MB / 0.8654 GB, free: 97.42 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0356/1.683, allocations: 24.46 MB / 0.8893 GB, free: 72.18 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006677/1.69, allocations: 0.5105 MB / 0.8898 GB, free: 71.67 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008009/1.691, allocations: 159.9 kB / 0.89 GB, free: 71.51 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 0.003869/1.694, allocations: 1.488 MB / 0.8914 GB, free: 70.03 MB / 0.6823 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008239/1.695, allocations: 197.7 kB / 0.8916 GB, free: 69.83 MB / 0.6823 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04129/1.737, allocations: 9.406 MB / 0.9008 GB, free: 60.37 MB / 0.6823 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.185e-05/1.737, allocations: 28 kB / 0.9008 GB, free: 60.34 MB / 0.6823 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.102e-05/1.737, allocations: 16 kB / 0.9008 GB, free: 60.32 MB / 0.6823 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.291e-05/1.737, allocations: 11.95 kB / 0.9008 GB, free: 60.31 MB / 0.6823 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05795/1.795, allocations: 15.18 MB / 0.9157 GB, free: 45.03 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.284e-05/1.795, allocations: 8 kB / 0.9157 GB, free: 45.02 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006224/1.801, allocations: 0.7298 MB / 0.9164 GB, free: 44.29 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0277/1.829, allocations: 4.819 MB / 0.9211 GB, free: 39.46 MB / 0.6823 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006325/1.829, allocations: 71.95 kB / 0.9212 GB, free: 39.39 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.05716/1.887, allocations: 22.83 MB / 0.9434 GB, free: 16.29 MB / 0.6823 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.41e-05/1.887, allocations: 12.03 kB / 0.9435 GB, free: 16.28 MB / 0.6823 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03968/1.926, allocations: 9.84 MB / 0.9531 GB, free: 6.078 MB / 0.6823 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002368/1.929, allocations: 0.7165 MB / 0.9538 GB, free: 5.344 MB / 0.6823 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009666/1.93, allocations: 59.94 kB / 0.9538 GB, free: 5.285 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006415/1.936, allocations: 495.2 kB / 0.9543 GB, free: 4.801 MB / 0.6823 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001203/1.938, allocations: 234.6 kB / 0.9545 GB, free: 4.57 MB / 0.6823 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000495/1.938, allocations: 92.7 kB / 0.9546 GB, free: 4.48 MB / 0.6823 GB
Notification: Performance of sorting global known variables: time 0.001866/1.94, allocations: 0.941 MB / 0.9555 GB, free: 3.535 MB / 0.6823 GB
Notification: Performance of sort global known variables: time 1.152e-06/1.94, allocations: 0 / 0.9555 GB, free: 3.535 MB / 0.6823 GB
Notification: Performance of remove unused functions: time 0.008684/1.949, allocations: 1.699 MB / 0.9572 GB, free: 1.836 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 0.0008134/1.95, allocations: 176.2 kB / 0.9574 GB, free: 1.66 MB / 0.6823 GB
Notification: Performance of simCode: created initialization part: time 0.06555/2.015, allocations: 11.45 MB / 0.9685 GB, free: 6.125 MB / 0.698 GB
Notification: Performance of simCode: created event and clocks part: time 2.222e-05/2.015, allocations: 4.188 kB / 0.9685 GB, free: 6.121 MB / 0.698 GB
Notification: Performance of simCode: created simulation system equations: time 0.02838/2.044, allocations: 4.158 MB / 0.9726 GB, free: 1.926 MB / 0.698 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003877/2.048, allocations: 218.4 kB / 0.9728 GB, free: 1.715 MB / 0.698 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04625/2.094, allocations: 10.72 MB / 0.9833 GB, free: 6.875 MB / 0.7136 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005896/2.1, allocations: 2.862 MB / 0.9861 GB, free: 3.98 MB / 0.7136 GB
Notification: Performance of simCode: alias equations: time 0.014/2.114, allocations: 1.797 MB / 0.9878 GB, free: 2.18 MB / 0.7136 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001612/2.116, allocations: 155.3 kB / 0.988 GB, free: 2.027 MB / 0.7136 GB
Notification: Performance of SimCode: time 3.898e-06/2.116, allocations: 0 / 0.988 GB, free: 2.027 MB / 0.7136 GB
Notification: Performance of Templates: time 0.2353/2.351, allocations: 66.1 MB / 1.053 GB, free: 64 kB / 0.7761 GB