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 3.758/3.758, allocations: 402 MB / 416.6 MB, free: 10.21 MB / 346.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.145e-05/3.16e-05, allocations: 4 kB / 0.501 GB, free: 8.227 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2034/0.2035, allocations: 92.68 MB / 0.5915 GB, free: 11.37 MB / 0.4948 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD): time 0.5567/0.7603, allocations: 14.02 MB / 0.6052 GB, free: 5.469 MB / 0.4948 GB
Notification: Performance of NFInst.instExpressions: time 0.01298/0.7733, allocations: 5.533 MB / 0.6106 GB, free: 4.547 MB / 0.4948 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002057/0.7754, allocations: 54.25 kB / 0.6106 GB, free: 4.539 MB / 0.4948 GB
Notification: Performance of NFTyping.typeComponents: time 0.001576/0.7771, allocations: 368.7 kB / 0.611 GB, free: 4.348 MB / 0.4948 GB
Notification: Performance of NFTyping.typeBindings: time 0.003792/0.7809, allocations: 0.7 MB / 0.6117 GB, free: 4.094 MB / 0.4948 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003689/0.7846, allocations: 0.7517 MB / 0.6124 GB, free: 3.789 MB / 0.4948 GB
Notification: Performance of NFFlatten.flatten: time 0.004603/0.7893, allocations: 1.657 MB / 0.614 GB, free: 3.016 MB / 0.4948 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01215/0.8015, allocations: 5.523 MB / 0.6194 GB, free: 0.9805 MB / 0.4948 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002703/0.8042, allocations: 0.9221 MB / 0.6203 GB, free: 0.5977 MB / 0.4948 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004136/0.8084, allocations: 1.391 MB / 0.6217 GB, free: 132 kB / 0.4948 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003338/0.8118, allocations: 0.5713 MB / 0.6222 GB, free: 16 kB / 0.4948 GB
Notification: Performance of NFPackage.collectConstants: time 0.001392/0.8132, allocations: 161.2 kB / 0.6224 GB, free: 12 kB / 0.4948 GB
Notification: Performance of NFScalarize.scalarize: time 0.003514/0.8168, allocations: 1.443 MB / 0.6238 GB, free: 15.61 MB / 0.5105 GB
Notification: Performance of NFVerifyModel.verify: time 0.002297/0.8191, allocations: 246.8 kB / 0.624 GB, free: 15.6 MB / 0.5105 GB
Notification: Performance of NFConvertDAE.convert: time 0.01113/0.8303, allocations: 5.473 MB / 0.6294 GB, free: 13.82 MB / 0.5105 GB
Notification: Performance of FrontEnd - DAE generated: time 5.36e-06/0.8303, allocations: 0 / 0.6294 GB, free: 13.82 MB / 0.5105 GB
Notification: Performance of FrontEnd: time 3.687e-06/0.8304, allocations: 0 / 0.6294 GB, free: 13.82 MB / 0.5105 GB
Notification: Performance of Transformations before backend: time 0.0002443/0.8306, allocations: 0 / 0.6294 GB, free: 13.82 MB / 0.5105 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 0.0127/0.8433, allocations: 2.69 MB / 0.632 GB, free: 12.01 MB / 0.5105 GB
Notification: Performance of prepare preOptimizeDAE: time 6.182e-05/0.8434, allocations: 8.812 kB / 0.632 GB, free: 12.01 MB / 0.5105 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02459/0.868, allocations: 2.399 MB / 0.6344 GB, free: 10.88 MB / 0.5105 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007975/0.876, allocations: 1.938 MB / 0.6363 GB, free: 9.668 MB / 0.5105 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000392/0.8765, allocations: 230 kB / 0.6365 GB, free: 9.562 MB / 0.5105 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002121/0.8786, allocations: 302.4 kB / 0.6368 GB, free: 9.461 MB / 0.5105 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02765/0.9063, allocations: 6.352 MB / 0.643 GB, free: 5.801 MB / 0.5105 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000168/0.9065, allocations: 5.312 kB / 0.643 GB, free: 5.797 MB / 0.5105 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001824/0.9084, allocations: 128.2 kB / 0.6431 GB, free: 5.699 MB / 0.5105 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009378/0.9094, allocations: 319.7 kB / 0.6434 GB, free: 5.602 MB / 0.5105 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02965/0.939, allocations: 6.551 MB / 0.6498 GB, free: 2.301 MB / 0.5105 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05393/0.993, allocations: 18.42 MB / 0.6678 GB, free: 15.81 MB / 0.5417 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01632/1.009, allocations: 5.424 MB / 0.6731 GB, free: 10.04 MB / 0.5417 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005971/1.01, allocations: 143 kB / 0.6732 GB, free: 9.879 MB / 0.5417 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.864e-05/1.01, allocations: 64.48 kB / 0.6733 GB, free: 9.809 MB / 0.5417 GB
Notification: Performance of pre-optimization done (n=230): time 5.981e-06/1.01, allocations: 0 / 0.6733 GB, free: 9.809 MB / 0.5417 GB
Notification: Performance of matching and sorting (n=311): time 0.2309/1.241, allocations: 31.03 MB / 0.7036 GB, free: 10.6 MB / 0.573 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002288/1.241, allocations: 243.8 kB / 0.7038 GB, free: 10.31 MB / 0.573 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00401/1.245, allocations: 1.095 MB / 0.7049 GB, free: 9.199 MB / 0.573 GB
Notification: Performance of collectPreVariables (initialization): time 0.001064/1.247, allocations: 77.7 kB / 0.705 GB, free: 9.117 MB / 0.573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00173/1.248, allocations: 1.227 MB / 0.7061 GB, free: 7.871 MB / 0.573 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00258/1.251, allocations: 1.043 MB / 0.7072 GB, free: 6.812 MB / 0.573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007383/1.252, allocations: 64 kB / 0.7072 GB, free: 6.75 MB / 0.573 GB
Notification: Performance of setup shared object (initialization): time 0.0005517/1.252, allocations: 444.7 kB / 0.7077 GB, free: 6.309 MB / 0.573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01832/1.271, allocations: 2.735 MB / 0.7103 GB, free: 3.57 MB / 0.573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01745/1.288, allocations: 3.404 MB / 0.7136 GB, free: 15.91 MB / 0.5886 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01632/1.305, allocations: 3.138 MB / 0.7167 GB, free: 12.75 MB / 0.5886 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.504e-05/1.305, allocations: 12 kB / 0.7167 GB, free: 12.74 MB / 0.5886 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.04963/1.354, allocations: 10.44 MB / 0.7269 GB, free: 2.246 MB / 0.5886 GB
Notification: Performance of prepare postOptimizeDAE: time 0.003487/1.358, allocations: 7.064 MB / 0.7338 GB, free: 10.62 MB / 0.6042 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.696e-05/1.358, allocations: 20 kB / 0.7338 GB, free: 10.61 MB / 0.6042 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03312/1.391, allocations: 5.341 MB / 0.7391 GB, free: 5.25 MB / 0.6042 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00835/1.399, allocations: 0.9321 MB / 0.74 GB, free: 4.316 MB / 0.6042 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04909/1.449, allocations: 17.45 MB / 0.757 GB, free: 2.691 MB / 0.6198 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007547/1.456, allocations: 0.5031 MB / 0.7575 GB, free: 2.188 MB / 0.6198 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009956/1.457, allocations: 143.9 kB / 0.7576 GB, free: 2.047 MB / 0.6198 GB
Notification: Performance of prepare postOptimizeDAE: time 1.706e-05/1.457, allocations: 4 kB / 0.7576 GB, free: 2.043 MB / 0.6198 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.conv3.V2[1] = line2.v3_n[1] - line2.v1_n[1]
3 : transformer.conv2.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.v2_n[1] ;
  line2.v3_n[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  -transformer.conv3.V2[1] ;
  -transformer.conv2.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 0.04013/1.497, allocations: 9.475 MB / 0.7669 GB, free: 8.355 MB / 0.6355 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.841e-05/1.498, allocations: 16.06 kB / 0.7669 GB, free: 8.34 MB / 0.6355 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01932/1.517, allocations: 3.152 MB / 0.77 GB, free: 5.172 MB / 0.6355 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01198/1.529, allocations: 1.1 MB / 0.7711 GB, free: 4.07 MB / 0.6355 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06632/1.595, allocations: 26.16 MB / 0.7966 GB, free: 8.984 MB / 0.6667 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009133/1.604, allocations: 0.4953 MB / 0.7971 GB, free: 8.488 MB / 0.6667 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00104/1.606, allocations: 139.9 kB / 0.7972 GB, free: 8.352 MB / 0.6667 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 81
 * 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 {(9,85.2%) 63}
 * Non-linear torn systems: 1 {13 59}
Notification: Performance of prepare postOptimizeDAE: time 0.004639/1.61, allocations: 1.321 MB / 0.7985 GB, free: 7.02 MB / 0.6667 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000935/1.611, allocations: 189.7 kB / 0.7987 GB, free: 6.832 MB / 0.6667 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04826/1.659, allocations: 10.69 MB / 0.8091 GB, free: 12.05 MB / 0.6823 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.519e-05/1.66, allocations: 15.94 kB / 0.8092 GB, free: 12.04 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.218e-05/1.66, allocations: 0 / 0.8092 GB, free: 12.04 MB / 0.6823 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.003019/1.663, allocations: 0.7757 MB / 0.8099 GB, free: 11.24 MB / 0.6823 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008109/1.663, allocations: 52 kB / 0.81 GB, free: 11.19 MB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006964/1.67, allocations: 0.4914 MB / 0.8104 GB, free: 10.7 MB / 0.6823 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001183/1.672, allocations: 341.6 kB / 0.8108 GB, free: 10.36 MB / 0.6823 GB
Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.04767/1.719, allocations: 9.974 MB / 0.8205 GB, free: 324 kB / 0.6823 GB
Notification: Performance of postOpt detectDAEmodeSparsePattern (simulation): time 0.0368/1.756, allocations: 9.477 MB / 0.8298 GB, free: 6.734 MB / 0.698 GB
Notification: Performance of postOpt setEvaluationStage (simulation): time 0.01123/1.767, allocations: 2.828 MB / 0.8325 GB, free: 3.891 MB / 0.698 GB
Notification: Performance of sorting global known variables: time 0.002169/1.77, allocations: 0.8718 MB / 0.8334 GB, free: 3.012 MB / 0.698 GB
Notification: Performance of Backend: time 1.012e-06/1.77, allocations: 3.938 kB / 0.8334 GB, free: 3.008 MB / 0.698 GB
Notification: Performance of simCode: created initialization part: time 0.02378/1.794, allocations: 4.982 MB / 0.8382 GB, free: 14 MB / 0.7136 GB
Notification: Performance of SimCode: time 0.01875/1.812, allocations: 8.185 MB / 0.8462 GB, free: 5.773 MB / 0.7136 GB
Notification: Performance of Templates: time 0.6776/2.49, allocations: 58.22 MB / 0.9031 GB, free: 245.9 MB / 0.7448 GB