Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001819/0.001819, allocations: 105.5 kB / 16.45 MB, free: 6.453 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002291/0.002291, allocations: 196.5 kB / 19.41 MB, free: 3.645 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.461/1.461, allocations: 225.6 MB / 247.8 MB, free: 13.95 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 3.033/3.033, allocations: 497.2 MB / 0.7811 GB, free: 33.68 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 0.001917/0.001917, allocations: 72.12 kB / 1.134 GB, free: 33.71 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3262/0.3281, allocations: 173.9 MB / 1.304 GB, free: 1.422 MB / 0.9981 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02397/0.352, allocations: 18.61 MB / 1.322 GB, free: 14.75 MB / 1.029 GB
Notification: Performance of NFInst.instExpressions: time 0.01341/0.3655, allocations: 6.886 MB / 1.329 GB, free: 7.844 MB / 1.029 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002605/0.3681, allocations: 59.88 kB / 1.329 GB, free: 7.785 MB / 1.029 GB
Notification: Performance of NFTyping.typeComponents: time 0.004932/0.373, allocations: 1.501 MB / 1.33 GB, free: 6.281 MB / 1.029 GB
Notification: Performance of NFTyping.typeBindings: time 0.004413/0.3774, allocations: 1.455 MB / 1.332 GB, free: 4.82 MB / 1.029 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003637/0.381, allocations: 1.266 MB / 1.333 GB, free: 3.555 MB / 1.029 GB
Notification: Performance of NFFlatten.flatten: time 0.006774/0.3878, allocations: 5.472 MB / 1.338 GB, free: 14.07 MB / 1.045 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007244/0.3951, allocations: 5.183 MB / 1.344 GB, free: 8.777 MB / 1.045 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003964/0.399, allocations: 2.384 MB / 1.346 GB, free: 6.387 MB / 1.045 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005249/0.4043, allocations: 3.171 MB / 1.349 GB, free: 3.207 MB / 1.045 GB
Notification: Performance of NFPackage.collectConstants: time 0.001497/0.4058, allocations: 0.5117 MB / 1.349 GB, free: 2.695 MB / 1.045 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003201/0.409, allocations: 1.295 MB / 1.351 GB, free: 1.398 MB / 1.045 GB
Notification: Performance of NFScalarize.scalarize: time 0.00341/0.4124, allocations: 2.299 MB / 1.353 GB, free: 15.09 MB / 1.061 GB
Notification: Performance of NFVerifyModel.verify: time 0.004146/0.4165, allocations: 2.198 MB / 1.355 GB, free: 12.89 MB / 1.061 GB
Notification: Performance of NFConvertDAE.convert: time 0.01056/0.4271, allocations: 7.796 MB / 1.363 GB, free: 5.066 MB / 1.061 GB
Notification: Performance of FrontEnd - DAE generated: time 6.352e-06/0.4271, allocations: 0 / 1.363 GB, free: 5.066 MB / 1.061 GB
Notification: Performance of FrontEnd: time 2.064e-06/0.4271, allocations: 0 / 1.363 GB, free: 5.066 MB / 1.061 GB
Notification: Performance of Transformations before backend: time 0.000219/0.4273, allocations: 0 / 1.363 GB, free: 5.066 MB / 1.061 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 0.01024/0.4376, allocations: 3.911 MB / 1.367 GB, free: 1.09 MB / 1.061 GB
Notification: Performance of prepare preOptimizeDAE: time 4.811e-05/0.4376, allocations: 12.86 kB / 1.367 GB, free: 1.078 MB / 1.061 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001185/0.4388, allocations: 0.5465 MB / 1.367 GB, free: 0.5234 MB / 1.061 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01283/0.4516, allocations: 2.429 MB / 1.369 GB, free: 14.09 MB / 1.076 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006172/0.4578, allocations: 2.203 MB / 1.372 GB, free: 11.84 MB / 1.076 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002546/0.458, allocations: 271.2 kB / 1.372 GB, free: 11.57 MB / 1.076 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001252/0.4593, allocations: 352 kB / 1.372 GB, free: 11.23 MB / 1.076 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01726/0.4766, allocations: 7.151 MB / 1.379 GB, free: 3.977 MB / 1.076 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.705e-05/0.4766, allocations: 7.938 kB / 1.379 GB, free: 3.969 MB / 1.076 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005963/0.4772, allocations: 148 kB / 1.379 GB, free: 3.824 MB / 1.076 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004908/0.4777, allocations: 338.1 kB / 1.38 GB, free: 3.492 MB / 1.076 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01737/0.4951, allocations: 7.048 MB / 1.387 GB, free: 12.43 MB / 1.092 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 0.04188/0.537, allocations: 26.59 MB / 1.413 GB, free: 15.65 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009326/0.5463, allocations: 4.873 MB / 1.417 GB, free: 10.48 MB / 1.123 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006405/0.5527, allocations: 2.528 MB / 1.42 GB, free: 7.93 MB / 1.123 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004207/0.5531, allocations: 135 kB / 1.42 GB, free: 7.777 MB / 1.123 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.105e-05/0.5532, allocations: 60.5 kB / 1.42 GB, free: 7.711 MB / 1.123 GB
Notification: Performance of pre-optimization done (n=208): time 4.98e-06/0.5532, allocations: 4 kB / 1.42 GB, free: 7.707 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 0.1057/0.6589, allocations: 31.1 MB / 1.45 GB, free: 8.551 MB / 1.154 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001621/0.6591, allocations: 247.5 kB / 1.451 GB, free: 8.258 MB / 1.154 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002475/0.6616, allocations: 1.469 MB / 1.452 GB, free: 6.781 MB / 1.154 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004856/0.662, allocations: 69.7 kB / 1.452 GB, free: 6.707 MB / 1.154 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001161/0.6632, allocations: 1.554 MB / 1.454 GB, free: 5.137 MB / 1.154 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001206/0.6644, allocations: 0.9566 MB / 1.455 GB, free: 4.172 MB / 1.154 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001494/0.6659, allocations: 0.636 MB / 1.455 GB, free: 3.527 MB / 1.154 GB
Notification: Performance of setup shared object (initialization): time 0.0001288/0.666, allocations: 305.1 kB / 1.455 GB, free: 3.227 MB / 1.154 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006121/0.6721, allocations: 2.694 MB / 1.458 GB, free: 0.5234 MB / 1.154 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007031/0.6792, allocations: 3.567 MB / 1.462 GB, free: 12.58 MB / 1.17 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01371/0.6929, allocations: 6.399 MB / 1.468 GB, free: 5.781 MB / 1.17 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.918e-05/0.6929, allocations: 11.94 kB / 1.468 GB, free: 5.77 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 0.03149/0.7244, allocations: 10.96 MB / 1.478 GB, free: 10.7 MB / 1.186 GB
Notification: Performance of prepare postOptimizeDAE: time 4.941e-05/0.7245, allocations: 16 kB / 1.479 GB, free: 10.68 MB / 1.186 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.513e-05/0.7245, allocations: 24 kB / 1.479 GB, free: 10.66 MB / 1.186 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0206/0.7451, allocations: 5.544 MB / 1.484 GB, free: 5.102 MB / 1.186 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00445/0.7496, allocations: 0.9906 MB / 1.485 GB, free: 4.109 MB / 1.186 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04722/0.7968, allocations: 28.23 MB / 1.512 GB, free: 7.43 MB / 1.217 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004442/0.8012, allocations: 0.5694 MB / 1.513 GB, free: 6.859 MB / 1.217 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006487/0.8019, allocations: 155.9 kB / 1.513 GB, free: 6.707 MB / 1.217 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008379/0.8103, allocations: 3.98 MB / 1.517 GB, free: 2.719 MB / 1.217 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007007/0.8173, allocations: 3.532 MB / 1.521 GB, free: 14.81 MB / 1.232 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08909/0.9064, allocations: 24.62 MB / 1.545 GB, free: 5.68 MB / 1.248 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.515e-05/0.9064, allocations: 8.375 kB / 1.545 GB, free: 5.672 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 0.02707/0.9334, allocations: 10.48 MB / 1.555 GB, free: 11.05 MB / 1.264 GB
Notification: Performance of prepare postOptimizeDAE: time 4.352e-05/0.9335, allocations: 23.88 kB / 1.555 GB, free: 11.03 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.785e-05/0.9335, allocations: 24 kB / 1.555 GB, free: 11.01 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01537/0.9489, allocations: 4.322 MB / 1.559 GB, free: 6.672 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004545/0.9535, allocations: 1.037 MB / 1.56 GB, free: 5.633 MB / 1.264 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03843/0.9919, allocations: 27.14 MB / 1.587 GB, free: 9.758 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004275/0.9962, allocations: 0.5615 MB / 1.587 GB, free: 9.195 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000471/0.9966, allocations: 155.9 kB / 1.587 GB, free: 9.043 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 0.0009397/0.9976, allocations: 396.3 kB / 1.588 GB, free: 8.652 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006023/0.9982, allocations: 210.7 kB / 1.588 GB, free: 8.445 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 0.02649/1.025, allocations: 10.08 MB / 1.598 GB, free: 14.29 MB / 1.311 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.203e-05/1.025, allocations: 32 kB / 1.598 GB, free: 14.25 MB / 1.311 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.385e-05/1.025, allocations: 12 kB / 1.598 GB, free: 14.24 MB / 1.311 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.663e-05/1.025, allocations: 15.94 kB / 1.598 GB, free: 14.23 MB / 1.311 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 0.737/1.762, allocations: 16.19 MB / 1.614 GB, free: 283.7 MB / 1.311 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.521e-05/1.762, allocations: 7.938 kB / 1.614 GB, free: 283.7 MB / 1.311 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003488/1.765, allocations: 0.733 MB / 1.614 GB, free: 283.7 MB / 1.311 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01961/1.785, allocations: 5.176 MB / 1.619 GB, free: 283.6 MB / 1.311 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006723/1.786, allocations: 74.03 kB / 1.619 GB, free: 283.6 MB / 1.311 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03632/1.822, allocations: 27.27 MB / 1.646 GB, free: 272.2 MB / 1.311 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.815e-06/1.822, allocations: 11.94 kB / 1.646 GB, free: 272.2 MB / 1.311 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 0.02185/1.844, allocations: 10.02 MB / 1.656 GB, free: 269.1 MB / 1.311 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002175/1.846, allocations: 0.7314 MB / 1.657 GB, free: 268.8 MB / 1.311 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005858/1.847, allocations: 56.17 kB / 1.657 GB, free: 268.7 MB / 1.311 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003197/1.85, allocations: 0.5107 MB / 1.657 GB, free: 268.7 MB / 1.311 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007387/1.85, allocations: 225.9 kB / 1.657 GB, free: 268.7 MB / 1.311 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001985/1.851, allocations: 89.55 kB / 1.657 GB, free: 268.6 MB / 1.311 GB
Notification: Performance of sorting global known variables: time 0.001204/1.852, allocations: 1.001 MB / 1.658 GB, free: 268.3 MB / 1.311 GB
Notification: Performance of sort global known variables: time 1.11e-07/1.852, allocations: 0 / 1.658 GB, free: 268.3 MB / 1.311 GB
Notification: Performance of remove unused functions: time 0.00535/1.857, allocations: 1.854 MB / 1.66 GB, free: 268.1 MB / 1.311 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 0.02126/1.879, allocations: 10.69 MB / 1.671 GB, free: 261.5 MB / 1.311 GB
Notification: Performance of simCode: created initialization part: time 0.02331/1.902, allocations: 12.02 MB / 1.682 GB, free: 249.4 MB / 1.311 GB
Notification: Performance of simCode: created event and clocks part: time 1.123e-05/1.902, allocations: 5.938 kB / 1.682 GB, free: 249.4 MB / 1.311 GB
Notification: Performance of simCode: created simulation system equations: time 0.008641/1.91, allocations: 4.257 MB / 1.687 GB, free: 245.1 MB / 1.311 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002047/1.913, allocations: 288.5 kB / 1.687 GB, free: 244.9 MB / 1.311 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 0.07765/1.99, allocations: 42.34 MB / 1.728 GB, free: 201.3 MB / 1.311 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002314/1.992, allocations: 2.849 MB / 1.731 GB, free: 198.4 MB / 1.311 GB
Notification: Performance of simCode: alias equations: time 0.003851/1.996, allocations: 1.661 MB / 1.733 GB, free: 196.8 MB / 1.311 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001306/1.998, allocations: 1.222 MB / 1.734 GB, free: 195.5 MB / 1.311 GB
Notification: Performance of SimCode: time 1.122e-06/1.998, allocations: 0 / 1.734 GB, free: 195.5 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1325/2.13, allocations: 104.2 MB / 1.836 GB, free: 91.74 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.54/18.67, allocations: 0 / 1.836 GB, free: 91.74 MB / 1.311 GB
"
[Timeout remaining time 281]
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.mat --tempDir=temp_Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=800 --tolerance=1e-06 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 840.0]
[Calling os._exit(0), Time elapsed: 25.154842129908502]
Failed to read output from testmodel.py, exit status != 0:
18.808500830084085 18.817356144 18.387987541
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f733d7a6020>