Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadModel(Buildings): time 3.53/3.53, allocations: 402 MB / 415.9 MB, free: 10.19 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.17e-05/3.179e-05, allocations: 11.92 kB / 0.5004 GB, free: 8.195 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1788/0.1788, allocations: 92.68 MB / 0.5909 GB, free: 11.34 MB / 0.4948 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7347/0.9136, allocations: 182.6 MB / 0.7692 GB, free: 7.695 MB / 0.6355 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003957/0.914, allocations: 127.9 kB / 0.7693 GB, free: 7.57 MB / 0.6355 GB
Notification: Performance of FrontEnd - DAE generated: time 1.008/1.922, allocations: 138 MB / 0.9041 GB, free: 191.6 MB / 0.7448 GB
Notification: Performance of FrontEnd: time 3.317e-06/1.922, allocations: 0 / 0.9041 GB, free: 191.6 MB / 0.7448 GB
Notification: Performance of Transformations before backend: time 0.0001842/1.922, allocations: 71.47 kB / 0.9042 GB, free: 191.6 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01009/1.933, allocations: 2.959 MB / 0.9071 GB, free: 190.3 MB / 0.7448 GB
Notification: Performance of prepare preOptimizeDAE: time 4.087e-05/1.933, allocations: 13.36 kB / 0.9071 GB, free: 190.3 MB / 0.7448 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01634/1.949, allocations: 2.197 MB / 0.9093 GB, free: 190.2 MB / 0.7448 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00645/1.955, allocations: 2.197 MB / 0.9114 GB, free: 189.7 MB / 0.7448 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003375/1.956, allocations: 270.7 kB / 0.9117 GB, free: 189.7 MB / 0.7448 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001781/1.958, allocations: 348 kB / 0.912 GB, free: 189.7 MB / 0.7448 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02088/1.979, allocations: 6.538 MB / 0.9184 GB, free: 189.4 MB / 0.7448 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001308/1.979, allocations: 2.438 kB / 0.9184 GB, free: 189.4 MB / 0.7448 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001244/1.98, allocations: 150.3 kB / 0.9185 GB, free: 189.4 MB / 0.7448 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006517/1.981, allocations: 313.2 kB / 0.9188 GB, free: 189.3 MB / 0.7448 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01993/2.001, allocations: 6.44 MB / 0.9251 GB, free: 189.3 MB / 0.7448 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 0.03814/2.039, allocations: 20.42 MB / 0.9451 GB, free: 181.2 MB / 0.7448 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009577/2.048, allocations: 4.998 MB / 0.9499 GB, free: 178.6 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000293/2.049, allocations: 134 kB / 0.9501 GB, free: 178.5 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.893e-05/2.049, allocations: 70.67 kB / 0.9501 GB, free: 178.4 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 6.353e-06/2.049, allocations: 0 / 0.9501 GB, free: 178.4 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=277): time 0.1334/2.182, allocations: 30.03 MB / 0.9795 GB, free: 171.2 MB / 0.7448 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.798e-05/2.182, allocations: 237.1 kB / 0.9797 GB, free: 171 MB / 0.7448 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002289/2.185, allocations: 1.318 MB / 0.981 GB, free: 170.5 MB / 0.7448 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005375/2.185, allocations: 69.3 kB / 0.981 GB, free: 170.4 MB / 0.7448 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007675/2.186, allocations: 1.493 MB / 0.9825 GB, free: 169.3 MB / 0.7448 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001119/2.187, allocations: 0.9392 MB / 0.9834 GB, free: 168.5 MB / 0.7448 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003651/2.187, allocations: 62.84 kB / 0.9835 GB, free: 168.5 MB / 0.7448 GB
Notification: Performance of setup shared object (initialization): time 0.000219/2.188, allocations: 443.3 kB / 0.9839 GB, free: 168.1 MB / 0.7448 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.007508/2.195, allocations: 2.607 MB / 0.9864 GB, free: 167.4 MB / 0.7448 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00818/2.203, allocations: 3.506 MB / 0.9899 GB, free: 165.5 MB / 0.7448 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007769/2.211, allocations: 3.058 MB / 0.9929 GB, free: 164.5 MB / 0.7448 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.901e-05/2.211, allocations: 10.75 kB / 0.9929 GB, free: 164.5 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02509/2.236, allocations: 9.052 MB / 1.002 GB, free: 158.2 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002004/2.238, allocations: 10.62 MB / 1.012 GB, free: 146.8 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.302e-05/2.239, allocations: 31.95 kB / 1.012 GB, free: 146.8 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02504/2.264, allocations: 5.712 MB / 1.018 GB, free: 142.5 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004716/2.268, allocations: 0.8782 MB / 1.019 GB, free: 141.7 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0271/2.295, allocations: 15.23 MB / 1.033 GB, free: 126.3 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005013/2.301, allocations: 0.5339 MB / 1.034 GB, free: 125.8 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008965/2.301, allocations: 175.9 kB / 1.034 GB, free: 125.6 MB / 0.7448 GB
Notification: Performance of prepare postOptimizeDAE: time 1.472e-05/2.301, allocations: 7.953 kB / 1.034 GB, free: 125.6 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.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 0.02422/2.326, allocations: 9.232 MB / 1.043 GB, free: 116.1 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.52e-05/2.326, allocations: 28.56 kB / 1.043 GB, free: 116.1 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01169/2.338, allocations: 3.026 MB / 1.046 GB, free: 113.1 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005533/2.343, allocations: 1.026 MB / 1.047 GB, free: 112 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02749/2.371, allocations: 24.34 MB / 1.071 GB, free: 86.8 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004635/2.375, allocations: 0.5145 MB / 1.071 GB, free: 86.29 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006953/2.376, allocations: 171.9 kB / 1.072 GB, free: 86.12 MB / 0.7448 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 122
 * 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 {(10,74.0%) 50}
 * Non-linear torn systems: 1 {10 50}
Notification: Performance of prepare postOptimizeDAE: time 0.003322/2.379, allocations: 1.5 MB / 1.073 GB, free: 84.61 MB / 0.7448 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007792/2.38, allocations: 197.6 kB / 1.073 GB, free: 84.41 MB / 0.7448 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02445/2.405, allocations: 8.585 MB / 1.082 GB, free: 75.78 MB / 0.7448 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.084e-05/2.405, allocations: 31.7 kB / 1.082 GB, free: 75.75 MB / 0.7448 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.326e-05/2.405, allocations: 16 kB / 1.082 GB, free: 75.73 MB / 0.7448 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.546e-05/2.405, allocations: 15.83 kB / 1.082 GB, free: 75.72 MB / 0.7448 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0351/2.44, allocations: 14.24 MB / 1.096 GB, free: 61.36 MB / 0.7448 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.281e-05/2.44, allocations: 8.156 kB / 1.096 GB, free: 61.36 MB / 0.7448 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003757/2.444, allocations: 0.624 MB / 1.096 GB, free: 60.73 MB / 0.7448 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.05131/2.495, allocations: 5.499 MB / 1.102 GB, free: 55.22 MB / 0.7448 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001022/2.496, allocations: 87.33 kB / 1.102 GB, free: 55.14 MB / 0.7448 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0428/2.539, allocations: 14.88 MB / 1.116 GB, free: 40.1 MB / 0.7448 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.969e-06/2.539, allocations: 8 kB / 1.116 GB, free: 40.09 MB / 0.7448 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02349/2.563, allocations: 9.01 MB / 1.125 GB, free: 30.61 MB / 0.7448 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00214/2.565, allocations: 0.7404 MB / 1.126 GB, free: 29.84 MB / 0.7448 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007691/2.566, allocations: 56 kB / 1.126 GB, free: 29.79 MB / 0.7448 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004226/2.57, allocations: 495.1 kB / 1.126 GB, free: 29.3 MB / 0.7448 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007443/2.571, allocations: 214.1 kB / 1.126 GB, free: 29.09 MB / 0.7448 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003869/2.571, allocations: 107.9 kB / 1.127 GB, free: 28.99 MB / 0.7448 GB
Notification: Performance of sorting global known variables: time 0.001752/2.573, allocations: 0.9972 MB / 1.127 GB, free: 27.99 MB / 0.7448 GB
Notification: Performance of sort global known variables: time 9.16e-07/2.573, allocations: 0 / 1.127 GB, free: 27.99 MB / 0.7448 GB
Notification: Performance of remove unused functions: time 0.00782/2.581, allocations: 1.648 MB / 1.129 GB, free: 26.34 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 (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 {(10,73.0%) 50}
 * Non-linear torn systems: 1 {10 50}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0007009/2.581, allocations: 198.2 kB / 1.129 GB, free: 26.14 MB / 0.7448 GB
Notification: Performance of simCode: created initialization part: time 0.02943/2.611, allocations: 11.51 MB / 1.141 GB, free: 14.54 MB / 0.7448 GB
Notification: Performance of simCode: created event and clocks part: time 1.195e-05/2.611, allocations: 4.125 kB / 1.141 GB, free: 14.54 MB / 0.7448 GB
Notification: Performance of simCode: created simulation system equations: time 0.01082/2.622, allocations: 3.83 MB / 1.144 GB, free: 10.7 MB / 0.7448 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002036/2.624, allocations: 225.6 kB / 1.144 GB, free: 10.49 MB / 0.7448 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02764/2.651, allocations: 10.86 MB / 1.155 GB, free: 15.52 MB / 0.7605 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005404/2.657, allocations: 2.855 MB / 1.158 GB, free: 12.63 MB / 0.7605 GB
Notification: Performance of simCode: alias equations: time 0.008186/2.665, allocations: 1.789 MB / 1.16 GB, free: 10.92 MB / 0.7605 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001003/2.666, allocations: 155.3 kB / 1.16 GB, free: 10.77 MB / 0.7605 GB
Notification: Performance of SimCode: time 1.672e-06/2.666, allocations: 0 / 1.16 GB, free: 10.77 MB / 0.7605 GB
Notification: Performance of Templates: time 0.568/3.234, allocations: 62.78 MB / 1.221 GB, free: 184.5 MB / 0.7605 GB