Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001597/0.001597, allocations: 97.92 kB / 19.73 MB, free: 2.133 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.002011/0.002011, allocations: 221.2 kB / 23.03 MB, free: 4.945 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.42/1.42, allocations: 230.6 MB / 256.8 MB, free: 7.812 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.039/3.039, allocations: 0.49 GB / 0.7959 GB, free: 35.52 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="cs",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="cs",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.001952/0.001952, allocations: 66.2 kB / 1.155 GB, free: 25.45 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3515/0.3534, allocations: 176.1 MB / 1.327 GB, free: 1.422 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02376/0.3772, allocations: 17.91 MB / 1.344 GB, free: 15.45 MB / 1.045 GB
Notification: Performance of NFInst.instExpressions: time 0.01213/0.3893, allocations: 6.723 MB / 1.351 GB, free: 8.715 MB / 1.045 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001505/0.3908, allocations: 67.75 kB / 1.351 GB, free: 8.648 MB / 1.045 GB
Notification: Performance of NFTyping.typeComponents: time 0.004168/0.395, allocations: 1.481 MB / 1.352 GB, free: 7.164 MB / 1.045 GB
Notification: Performance of NFTyping.typeBindings: time 0.003694/0.3987, allocations: 1.451 MB / 1.354 GB, free: 5.707 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003256/0.4019, allocations: 1.262 MB / 1.355 GB, free: 4.445 MB / 1.045 GB
Notification: Performance of NFFlatten.flatten: time 0.006644/0.4086, allocations: 5.48 MB / 1.36 GB, free: 14.95 MB / 1.061 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006098/0.4147, allocations: 3.425 MB / 1.364 GB, free: 11.43 MB / 1.061 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004003/0.4187, allocations: 2.419 MB / 1.366 GB, free: 9 MB / 1.061 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005292/0.424, allocations: 3.163 MB / 1.369 GB, free: 5.828 MB / 1.061 GB
Notification: Performance of NFPackage.collectConstants: time 0.001462/0.4254, allocations: 0.5156 MB / 1.37 GB, free: 5.312 MB / 1.061 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003247/0.4287, allocations: 1.217 MB / 1.371 GB, free: 4.094 MB / 1.061 GB
Notification: Performance of NFScalarize.scalarize: time 0.003893/0.4326, allocations: 2.299 MB / 1.373 GB, free: 1.789 MB / 1.061 GB
Notification: Performance of NFVerifyModel.verify: time 0.004704/0.4373, allocations: 1.782 MB / 1.375 GB, free: 0 / 1.061 GB
Notification: Performance of NFConvertDAE.convert: time 0.01029/0.4476, allocations: 7.839 MB / 1.382 GB, free: 8.137 MB / 1.076 GB
Notification: Performance of FrontEnd - DAE generated: time 4.799e-06/0.4476, allocations: 0 / 1.382 GB, free: 8.137 MB / 1.076 GB
Notification: Performance of FrontEnd: time 2.194e-06/0.4476, allocations: 0 / 1.382 GB, free: 8.137 MB / 1.076 GB
Notification: Performance of Transformations before backend: time 0.0001896/0.4478, allocations: 7.938 kB / 1.382 GB, free: 8.129 MB / 1.076 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 0.007992/0.4557, allocations: 3.836 MB / 1.386 GB, free: 4.246 MB / 1.076 GB
Notification: Performance of prepare preOptimizeDAE: time 4.604e-05/0.4558, allocations: 8.031 kB / 1.386 GB, free: 4.238 MB / 1.076 GB
Notification: Performance of preOpt introduceOutputRealDerivatives (simulation): time 0.0001018/0.4559, allocations: 99.36 kB / 1.386 GB, free: 4.141 MB / 1.076 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007595/0.4567, allocations: 0.5426 MB / 1.387 GB, free: 3.59 MB / 1.076 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01258/0.4692, allocations: 2.436 MB / 1.389 GB, free: 1.148 MB / 1.076 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004713/0.4739, allocations: 2.166 MB / 1.391 GB, free: 14.95 MB / 1.092 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002276/0.4742, allocations: 275 kB / 1.392 GB, free: 14.68 MB / 1.092 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007579/0.4749, allocations: 348 kB / 1.392 GB, free: 14.34 MB / 1.092 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0151/0.49, allocations: 7.238 MB / 1.399 GB, free: 6.984 MB / 1.092 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001054/0.4901, allocations: 4 kB / 1.399 GB, free: 6.98 MB / 1.092 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006372/0.4908, allocations: 148 kB / 1.399 GB, free: 6.836 MB / 1.092 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005446/0.4913, allocations: 334.1 kB / 1.399 GB, free: 6.508 MB / 1.092 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01641/0.5077, allocations: 7.051 MB / 1.406 GB, free: 15.44 MB / 1.107 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 0.03418/0.5419, allocations: 18.49 MB / 1.424 GB, free: 12.36 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008066/0.55, allocations: 3.725 MB / 1.428 GB, free: 8.613 MB / 1.123 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005887/0.5559, allocations: 2.526 MB / 1.43 GB, free: 6.066 MB / 1.123 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002194/0.5561, allocations: 45.97 kB / 1.431 GB, free: 6.02 MB / 1.123 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.48e-05/0.5562, allocations: 64.5 kB / 1.431 GB, free: 5.949 MB / 1.123 GB
Notification: Performance of pre-optimization done (n=208): time 4.618e-06/0.5562, allocations: 3.938 kB / 1.431 GB, free: 5.945 MB / 1.123 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=271): time 0.1064/0.6626, allocations: 30.79 MB / 1.461 GB, free: 7.168 MB / 1.154 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001624/0.6627, allocations: 243.5 kB / 1.461 GB, free: 6.879 MB / 1.154 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002254/0.665, allocations: 1.473 MB / 1.462 GB, free: 5.398 MB / 1.154 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004708/0.6655, allocations: 69.7 kB / 1.462 GB, free: 5.324 MB / 1.154 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001181/0.6667, allocations: 1.554 MB / 1.464 GB, free: 3.754 MB / 1.154 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001156/0.6678, allocations: 0.9605 MB / 1.465 GB, free: 2.785 MB / 1.154 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001212/0.669, allocations: 0.6359 MB / 1.465 GB, free: 2.141 MB / 1.154 GB
Notification: Performance of setup shared object (initialization): time 0.0001504/0.6692, allocations: 309.1 kB / 1.466 GB, free: 1.836 MB / 1.154 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005988/0.6752, allocations: 2.686 MB / 1.468 GB, free: 15.14 MB / 1.17 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006776/0.6819, allocations: 3.65 MB / 1.472 GB, free: 11.09 MB / 1.17 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01315/0.6951, allocations: 6.402 MB / 1.478 GB, free: 4.293 MB / 1.17 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.925e-05/0.6951, allocations: 8 kB / 1.478 GB, free: 4.285 MB / 1.17 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization): time 0.02862/0.7237, allocations: 10.8 MB / 1.489 GB, free: 9.41 MB / 1.186 GB
Notification: Performance of prepare postOptimizeDAE: time 4.313e-05/0.7238, allocations: 16 kB / 1.489 GB, free: 9.395 MB / 1.186 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.628e-05/0.7238, allocations: 31.94 kB / 1.489 GB, free: 9.363 MB / 1.186 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01995/0.7438, allocations: 5.521 MB / 1.494 GB, free: 3.828 MB / 1.186 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004482/0.7483, allocations: 0.9945 MB / 1.495 GB, free: 2.832 MB / 1.186 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05829/0.8066, allocations: 27.49 MB / 1.522 GB, free: 6.961 MB / 1.217 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006816/0.8134, allocations: 0.5733 MB / 1.523 GB, free: 6.387 MB / 1.217 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008087/0.8142, allocations: 151.9 kB / 1.523 GB, free: 6.238 MB / 1.217 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01079/0.825, allocations: 3.984 MB / 1.527 GB, free: 2.246 MB / 1.217 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007124/0.8321, allocations: 3.607 MB / 1.53 GB, free: 14.25 MB / 1.232 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08866/0.9208, allocations: 24.46 MB / 1.554 GB, free: 5.301 MB / 1.248 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.343e-05/0.9208, allocations: 8 kB / 1.554 GB, free: 5.293 MB / 1.248 GB
Warning: The linear system: 
1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2]
2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1]
3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2]
4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[2] ;
  line2.v1_p[2] ;
  line2.v3_p[2] ;
  line2.v3_n[2]
]
  =
[
  -transformer.conv3.V2[2] ;
  line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ;
  -loadRL.load3.v[2] ;
  line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1]
]
 might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 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 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.0263/0.9471, allocations: 10.17 MB / 1.564 GB, free: 11.05 MB / 1.264 GB
Notification: Performance of prepare postOptimizeDAE: time 4.107e-05/0.9471, allocations: 16.56 kB / 1.564 GB, free: 11.04 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.409e-05/0.9472, allocations: 28 kB / 1.564 GB, free: 11.01 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01573/0.9629, allocations: 4.309 MB / 1.568 GB, free: 6.68 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004808/0.9677, allocations: 1.041 MB / 1.569 GB, free: 5.637 MB / 1.264 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03835/1.006, allocations: 26.26 MB / 1.595 GB, free: 10.79 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00444/1.01, allocations: 0.5576 MB / 1.595 GB, free: 10.23 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005616/1.011, allocations: 148.3 kB / 1.596 GB, free: 10.08 MB / 1.295 GB
Warning: Assuming fixed start value for the following 2 variables:
         node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
         node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true )  \"Voltage vector\" type: Real [3,2]
Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system:
         0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2]
         0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1].
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 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (301):
 * Single equations (assignments): 298
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(1,3,100.0%), (10,44,70.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Notification: Performance of prepare postOptimizeDAE: time 0.001078/1.012, allocations: 399.8 kB / 1.596 GB, free: 9.684 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006409/1.013, allocations: 210.7 kB / 1.596 GB, free: 9.477 MB / 1.295 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.7252/1.738, allocations: 9.935 MB / 1.606 GB, free: 257.1 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.04e-05/1.738, allocations: 28.58 kB / 1.606 GB, free: 257.1 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.798e-05/1.738, allocations: 12.97 kB / 1.606 GB, free: 257.1 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.197e-05/1.738, allocations: 14.36 kB / 1.606 GB, free: 257.1 MB / 1.295 GB
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03736/1.776, allocations: 15.36 MB / 1.621 GB, free: 254.9 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.19e-05/1.776, allocations: 7.781 kB / 1.621 GB, free: 254.9 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00356/1.779, allocations: 0.7343 MB / 1.622 GB, free: 254.9 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01822/1.797, allocations: 5.165 MB / 1.627 GB, free: 254.3 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006669/1.798, allocations: 78.64 kB / 1.627 GB, free: 254.2 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03346/1.831, allocations: 26.55 MB / 1.653 GB, free: 240.7 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.073e-06/1.831, allocations: 13.14 kB / 1.653 GB, free: 240.7 MB / 1.295 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02123/1.853, allocations: 9.872 MB / 1.662 GB, free: 235.7 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001806/1.855, allocations: 0.66 MB / 1.663 GB, free: 235.3 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003851/1.855, allocations: 54.75 kB / 1.663 GB, free: 235.3 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003029/1.858, allocations: 0.5121 MB / 1.664 GB, free: 234.8 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007719/1.859, allocations: 238.2 kB / 1.664 GB, free: 234.6 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002156/1.859, allocations: 87.95 kB / 1.664 GB, free: 234.5 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001252/1.86, allocations: 1.005 MB / 1.665 GB, free: 233.5 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1.1e-07/1.86, allocations: 0 / 1.665 GB, free: 233.5 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005425/1.866, allocations: 1.852 MB / 1.667 GB, free: 231.6 MB / 1.295 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 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.02079/1.886, allocations: 10.53 MB / 1.677 GB, free: 220.9 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02394/1.91, allocations: 12.03 MB / 1.689 GB, free: 208.8 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.828e-05/1.91, allocations: 0 / 1.689 GB, free: 208.8 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.008902/1.919, allocations: 4.269 MB / 1.693 GB, free: 204.5 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002106/1.921, allocations: 293 kB / 1.693 GB, free: 204.2 MB / 1.295 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.07928/2.001, allocations: 42.12 MB / 1.734 GB, free: 160.9 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002322/2.003, allocations: 2.287 MB / 1.736 GB, free: 158.6 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.003894/2.007, allocations: 1.655 MB / 1.738 GB, free: 157 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001588/2.008, allocations: 1.222 MB / 1.739 GB, free: 155.7 MB / 1.295 GB
Notification: Performance of SimCode: time 8.51e-07/2.008, allocations: 0 / 1.739 GB, free: 155.7 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1725/2.181, allocations: 105 MB / 1.842 GB, free: 51.34 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.79/19.97, allocations: 8 kB / 1.842 GB, free: 51.34 MB / 1.295 GB
"
[Timeout remaining time 280]
(rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.mat --tempDir=temp_Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 26.561842986033298]
Failed to read output from testmodel.py, exit status != 0:
20.193355140974745 20.207434502 19.757513573
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fafcf0a73a0>