Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
Notification: Performance of loadModel(Buildings): time 3.498/3.498, allocations: 402 MB / 415.9 MB, free: 10.12 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 2.99e-05/3.009e-05, allocations: 4 kB / 0.5004 GB, free: 8.203 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1744/0.1745, allocations: 92.69 MB / 0.5909 GB, free: 11.34 MB / 0.4948 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.6673/0.8419, allocations: 180.8 MB / 0.7674 GB, free: 9.527 MB / 0.6355 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004146/0.8423, allocations: 119.9 kB / 0.7676 GB, free: 9.41 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 0.9183/1.761, allocations: 123 MB / 0.8877 GB, free: 191.7 MB / 0.7448 GB
Notification: Performance of FrontEnd: time 3.69e-06/1.761, allocations: 2.406 kB / 0.8877 GB, free: 191.7 MB / 0.7448 GB
Notification: Performance of Transformations before backend: time 0.0001764/1.761, allocations: 64.78 kB / 0.8878 GB, free: 191.7 MB / 0.7448 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 0.009532/1.77, allocations: 2.668 MB / 0.8904 GB, free: 190.6 MB / 0.7448 GB
Notification: Performance of prepare preOptimizeDAE: time 4.363e-05/1.77, allocations: 8.812 kB / 0.8904 GB, free: 190.6 MB / 0.7448 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01607/1.787, allocations: 2.069 MB / 0.8924 GB, free: 190.4 MB / 0.7448 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00593/1.793, allocations: 2.003 MB / 0.8944 GB, free: 190 MB / 0.7448 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003298/1.793, allocations: 231.6 kB / 0.8946 GB, free: 190 MB / 0.7448 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001575/1.794, allocations: 301.7 kB / 0.8949 GB, free: 190 MB / 0.7448 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01871/1.813, allocations: 5.83 MB / 0.9006 GB, free: 189.7 MB / 0.7448 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.958e-05/1.813, allocations: 6.094 kB / 0.9006 GB, free: 189.7 MB / 0.7448 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006532/1.814, allocations: 130.8 kB / 0.9007 GB, free: 189.7 MB / 0.7448 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006581/1.815, allocations: 290.4 kB / 0.901 GB, free: 189.6 MB / 0.7448 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02039/1.835, allocations: 6.022 MB / 0.9069 GB, free: 189.6 MB / 0.7448 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03965/1.875, allocations: 18.39 MB / 0.9248 GB, free: 184.5 MB / 0.7448 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01096/1.886, allocations: 5.475 MB / 0.9302 GB, free: 182.6 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003843/1.886, allocations: 138.7 kB / 0.9303 GB, free: 182.5 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.523e-05/1.886, allocations: 68.98 kB / 0.9304 GB, free: 182.5 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=230): time 7.174e-06/1.886, allocations: 0 / 0.9304 GB, free: 182.5 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=311): time 0.1799/2.066, allocations: 35.99 MB / 0.9655 GB, free: 175.3 MB / 0.7448 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.793e-05/2.066, allocations: 247.1 kB / 0.9657 GB, free: 175.1 MB / 0.7448 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002021/2.068, allocations: 1.125 MB / 0.9668 GB, free: 174.6 MB / 0.7448 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007074/2.069, allocations: 75.83 kB / 0.9669 GB, free: 174.6 MB / 0.7448 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007145/2.07, allocations: 1.227 MB / 0.9681 GB, free: 173.6 MB / 0.7448 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001365/2.071, allocations: 1.046 MB / 0.9691 GB, free: 172.8 MB / 0.7448 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004749/2.072, allocations: 63.31 kB / 0.9692 GB, free: 172.8 MB / 0.7448 GB
Notification: Performance of setup shared object (initialization): time 0.0002429/2.072, allocations: 440 kB / 0.9696 GB, free: 172.4 MB / 0.7448 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.007887/2.08, allocations: 2.73 MB / 0.9723 GB, free: 171.6 MB / 0.7448 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008215/2.088, allocations: 3.425 MB / 0.9756 GB, free: 170 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.008687/2.097, allocations: 3.14 MB / 0.9787 GB, free: 168.9 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.494e-05/2.097, allocations: 3.625 kB / 0.9787 GB, free: 168.9 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.0279/2.125, allocations: 9.41 MB / 0.9879 GB, free: 166.1 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001477/2.126, allocations: 7.315 MB / 0.995 GB, free: 158.3 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.627e-05/2.126, allocations: 18.38 kB / 0.995 GB, free: 158.3 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03391/2.16, allocations: 6.742 MB / 1.002 GB, free: 154.5 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004608/2.165, allocations: 0.8235 MB / 1.002 GB, free: 153.9 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03053/2.196, allocations: 17.33 MB / 1.019 GB, free: 139.2 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00479/2.2, allocations: 0.5065 MB / 1.02 GB, free: 138.9 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008555/2.201, allocations: 184 kB / 1.02 GB, free: 138.7 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 1.448e-05/2.201, allocations: 6.344 kB / 1.02 GB, free: 138.7 MB / 0.7448 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.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2]
3 : transformer.conv2.V2[2] = line2.v2_n[2] - line2.v3_n[2]
[
  1.0 , 0.0 , -1.0 ;
  0.0 , -1.0 , 1.0 ;
  -1.0 , 1.0 , 0.0
]
  *
[
  line2.v2_n[2] ;
  line2.v3_n[2] ;
  line2.v1_n[2]
]
  =
[
  -transformer.conv1.V2[2] ;
  -transformer.conv3.V2[2] ;
  -transformer.conv2.V2[2]
]
 might be structurally or numerically singular for variable line2.v1_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 0.02653/2.228, allocations: 9.506 MB / 1.029 GB, free: 129.6 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.144e-05/2.228, allocations: 16 kB / 1.029 GB, free: 129.6 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01339/2.241, allocations: 3.163 MB / 1.032 GB, free: 126.4 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005676/2.247, allocations: 1.018 MB / 1.033 GB, free: 125.5 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03017/2.277, allocations: 26.06 MB / 1.059 GB, free: 98.55 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004568/2.282, allocations: 0.4913 MB / 1.059 GB, free: 98.06 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007344/2.283, allocations: 175.9 kB / 1.06 GB, free: 97.89 MB / 0.7448 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 84
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (270):
 * Single equations (assignments): 268
 * 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 {(10,73.0%) 62}
 * Non-linear torn systems: 1 {10 62}
Notification: Performance of prepare postOptimizeDAE: time 0.003182/2.286, allocations: 1.332 MB / 1.061 GB, free: 96.55 MB / 0.7448 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008347/2.287, allocations: 197.4 kB / 1.061 GB, free: 96.36 MB / 0.7448 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0261/2.313, allocations: 9.696 MB / 1.07 GB, free: 86.61 MB / 0.7448 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.178e-05/2.313, allocations: 28 kB / 1.07 GB, free: 86.58 MB / 0.7448 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.512e-05/2.313, allocations: 16 kB / 1.071 GB, free: 86.57 MB / 0.7448 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.211e-05/2.313, allocations: 19.94 kB / 1.071 GB, free: 86.55 MB / 0.7448 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03628/2.349, allocations: 15.05 MB / 1.085 GB, free: 71.3 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.513e-05/2.349, allocations: 15.81 kB / 1.085 GB, free: 71.29 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003664/2.353, allocations: 0.6351 MB / 1.086 GB, free: 70.66 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.03075/2.384, allocations: 6.53 MB / 1.092 GB, free: 64.12 MB / 0.7448 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006375/2.385, allocations: 95.92 kB / 1.092 GB, free: 64.02 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02923/2.414, allocations: 16.94 MB / 1.109 GB, free: 46.92 MB / 0.7448 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.009e-05/2.414, allocations: 12.03 kB / 1.109 GB, free: 46.91 MB / 0.7448 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0233/2.437, allocations: 9.424 MB / 1.118 GB, free: 37.1 MB / 0.7448 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002178/2.439, allocations: 0.8147 MB / 1.119 GB, free: 36.27 MB / 0.7448 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005686/2.44, allocations: 63.94 kB / 1.119 GB, free: 36.2 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00397/2.444, allocations: 0.4951 MB / 1.119 GB, free: 35.71 MB / 0.7448 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007013/2.445, allocations: 229.1 kB / 1.12 GB, free: 35.48 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004071/2.445, allocations: 143.9 kB / 1.12 GB, free: 35.34 MB / 0.7448 GB
Notification: Performance of sorting global known variables: time 0.00153/2.447, allocations: 0.8952 MB / 1.121 GB, free: 34.44 MB / 0.7448 GB
Notification: Performance of sort global known variables: time 1.107e-06/2.447, allocations: 0 / 1.121 GB, free: 34.44 MB / 0.7448 GB
Notification: Performance of remove unused functions: time 0.006915/2.454, allocations: 1.594 MB / 1.122 GB, free: 32.84 MB / 0.7448 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 (166):
 * Single equations (assignments): 164
 * 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 {(10,73.0%) 62}
 * Non-linear torn systems: 1 {10 62}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0006576/2.454, allocations: 215.5 kB / 1.122 GB, free: 32.62 MB / 0.7448 GB
Notification: Performance of simCode: created initialization part: time 0.03003/2.484, allocations: 12.13 MB / 1.134 GB, free: 20.39 MB / 0.7448 GB
Notification: Performance of simCode: created event and clocks part: time 1.023e-05/2.484, allocations: 0 / 1.134 GB, free: 20.39 MB / 0.7448 GB
Notification: Performance of simCode: created simulation system equations: time 0.01119/2.496, allocations: 4.149 MB / 1.138 GB, free: 16.23 MB / 0.7448 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001844/2.497, allocations: 204.5 kB / 1.139 GB, free: 16.04 MB / 0.7448 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03279/2.53, allocations: 11.85 MB / 1.15 GB, free: 4.066 MB / 0.7448 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0032/2.534, allocations: 2.646 MB / 1.153 GB, free: 1.391 MB / 0.7448 GB
Notification: Performance of simCode: alias equations: time 0.00715/2.541, allocations: 1.769 MB / 1.154 GB, free: 15.7 MB / 0.7605 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000942/2.542, allocations: 151.3 kB / 1.155 GB, free: 15.56 MB / 0.7605 GB
Notification: Performance of SimCode: time 1.814e-06/2.542, allocations: 0 / 1.155 GB, free: 15.56 MB / 0.7605 GB
Notification: Performance of Templates: time 0.5753/3.117, allocations: 67.48 MB / 1.22 GB, free: 183.3 MB / 0.7605 GB