Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 0.001614/0.001614, allocations: 114.5 kB / 18.94 MB, free: 2.934 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 0.002065/0.002065, allocations: 217 kB / 22.25 MB, free: 5.082 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 1.46/1.46, allocations: 230.6 MB / 256 MB, free: 8.027 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 3.162/3.162, allocations: 0.505 GB / 0.8101 GB, free: 22 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/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.UnbalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",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 0.002009/0.002009, allocations: 79.41 kB / 1.177 GB, free: 17.05 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3674/0.3694, allocations: 180.2 MB / 1.353 GB, free: 8.336 MB / 1.045 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02515/0.3945, allocations: 19.29 MB / 1.372 GB, free: 4.98 MB / 1.061 GB
Notification: Performance of NFInst.instExpressions: time 0.01305/0.4076, allocations: 7.112 MB / 1.379 GB, free: 13.85 MB / 1.076 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00185/0.4094, allocations: 63.75 kB / 1.379 GB, free: 13.79 MB / 1.076 GB
Notification: Performance of NFTyping.typeComponents: time 0.004422/0.4139, allocations: 1.545 MB / 1.38 GB, free: 12.24 MB / 1.076 GB
Notification: Performance of NFTyping.typeBindings: time 0.004035/0.4179, allocations: 1.467 MB / 1.382 GB, free: 10.77 MB / 1.076 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003359/0.4213, allocations: 1.294 MB / 1.383 GB, free: 9.473 MB / 1.076 GB
Notification: Performance of NFFlatten.flatten: time 0.007159/0.4284, allocations: 5.48 MB / 1.388 GB, free: 3.98 MB / 1.076 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00538/0.4338, allocations: 3.429 MB / 1.392 GB, free: 468 kB / 1.076 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003925/0.4377, allocations: 2.404 MB / 1.394 GB, free: 14.05 MB / 1.092 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005268/0.443, allocations: 3.186 MB / 1.397 GB, free: 10.85 MB / 1.092 GB
Notification: Performance of NFPackage.collectConstants: time 0.001128/0.4441, allocations: 0.5117 MB / 1.398 GB, free: 10.34 MB / 1.092 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003353/0.4475, allocations: 1.287 MB / 1.399 GB, free: 9.051 MB / 1.092 GB
Notification: Performance of NFScalarize.scalarize: time 0.004301/0.4518, allocations: 2.303 MB / 1.401 GB, free: 6.742 MB / 1.092 GB
Notification: Performance of NFVerifyModel.verify: time 0.005428/0.4572, allocations: 2.198 MB / 1.403 GB, free: 4.535 MB / 1.092 GB
Notification: Performance of NFConvertDAE.convert: time 0.01063/0.4678, allocations: 7.796 MB / 1.411 GB, free: 12.71 MB / 1.107 GB
Notification: Performance of FrontEnd - DAE generated: time 1.198e-05/0.4678, allocations: 0 / 1.411 GB, free: 12.71 MB / 1.107 GB
Notification: Performance of FrontEnd: time 2.394e-06/0.4678, allocations: 0 / 1.411 GB, free: 12.71 MB / 1.107 GB
Notification: Performance of Transformations before backend: time 0.0002503/0.4681, allocations: 0 / 1.411 GB, free: 12.71 MB / 1.107 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 0.01137/0.4795, allocations: 3.842 MB / 1.415 GB, free: 8.828 MB / 1.107 GB
Notification: Performance of prepare preOptimizeDAE: time 5.972e-05/0.4795, allocations: 12.03 kB / 1.415 GB, free: 8.816 MB / 1.107 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001204/0.4807, allocations: 0.5426 MB / 1.415 GB, free: 8.266 MB / 1.107 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01276/0.4935, allocations: 2.433 MB / 1.418 GB, free: 5.828 MB / 1.107 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00626/0.4997, allocations: 2.166 MB / 1.42 GB, free: 3.629 MB / 1.107 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000283/0.5, allocations: 275.2 kB / 1.42 GB, free: 3.359 MB / 1.107 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001497/0.5015, allocations: 348 kB / 1.42 GB, free: 3.02 MB / 1.107 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0175/0.519, allocations: 7.162 MB / 1.427 GB, free: 11.75 MB / 1.123 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.462e-05/0.5191, allocations: 0 / 1.427 GB, free: 11.75 MB / 1.123 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006955/0.5198, allocations: 155.9 kB / 1.427 GB, free: 11.6 MB / 1.123 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005157/0.5203, allocations: 334.1 kB / 1.428 GB, free: 11.27 MB / 1.123 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01807/0.5384, allocations: 7.051 MB / 1.435 GB, free: 4.211 MB / 1.123 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04358/0.582, allocations: 26.04 MB / 1.46 GB, free: 8.047 MB / 1.154 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008292/0.5903, allocations: 3.736 MB / 1.464 GB, free: 4.285 MB / 1.154 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006111/0.5964, allocations: 2.526 MB / 1.466 GB, free: 1.734 MB / 1.154 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002787/0.5966, allocations: 61.92 kB / 1.466 GB, free: 1.672 MB / 1.154 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.928e-05/0.5967, allocations: 52.56 kB / 1.466 GB, free: 1.613 MB / 1.154 GB
Notification: Performance of pre-optimization done (n=208): time 3.737e-06/0.5967, allocations: 3.938 kB / 1.466 GB, free: 1.609 MB / 1.154 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.conv2.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.conv2.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 0.1034/0.7001, allocations: 30.8 MB / 1.496 GB, free: 2.832 MB / 1.186 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001808/0.7002, allocations: 239.6 kB / 1.497 GB, free: 2.547 MB / 1.186 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002706/0.703, allocations: 1.469 MB / 1.498 GB, free: 1.07 MB / 1.186 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005612/0.7035, allocations: 81.64 kB / 1.498 GB, free: 0.9844 MB / 1.186 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001342/0.7049, allocations: 1.55 MB / 1.5 GB, free: 15.42 MB / 1.201 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001509/0.7064, allocations: 0.9644 MB / 1.501 GB, free: 14.45 MB / 1.201 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001249/0.7076, allocations: 0.6398 MB / 1.501 GB, free: 13.8 MB / 1.201 GB
Notification: Performance of setup shared object (initialization): time 0.0001497/0.7078, allocations: 309.1 kB / 1.502 GB, free: 13.49 MB / 1.201 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006585/0.7143, allocations: 2.686 MB / 1.504 GB, free: 10.8 MB / 1.201 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00756/0.7219, allocations: 3.567 MB / 1.508 GB, free: 6.852 MB / 1.201 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01426/0.7362, allocations: 6.399 MB / 1.514 GB, free: 56 kB / 1.201 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.429e-05/0.7362, allocations: 8 kB / 1.514 GB, free: 48 kB / 1.201 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.conv2.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.conv2.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 0.03019/0.7664, allocations: 10.76 MB / 1.524 GB, free: 5.215 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 4.868e-05/0.7665, allocations: 19.98 kB / 1.524 GB, free: 5.195 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.35e-05/0.7665, allocations: 27.98 kB / 1.524 GB, free: 5.168 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02009/0.7866, allocations: 5.56 MB / 1.53 GB, free: 15.59 MB / 1.232 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004618/0.7912, allocations: 0.9906 MB / 1.531 GB, free: 14.6 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04787/0.8391, allocations: 27.9 MB / 1.558 GB, free: 2.324 MB / 1.248 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005005/0.8441, allocations: 0.5733 MB / 1.559 GB, free: 1.75 MB / 1.248 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007622/0.8449, allocations: 148 kB / 1.559 GB, free: 1.605 MB / 1.248 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009785/0.8546, allocations: 3.98 MB / 1.563 GB, free: 13.62 MB / 1.264 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007145/0.8618, allocations: 3.532 MB / 1.566 GB, free: 9.707 MB / 1.264 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08764/0.9494, allocations: 24.46 MB / 1.59 GB, free: 0.7578 MB / 1.279 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.381e-05/0.9495, allocations: 8 kB / 1.59 GB, free: 0.75 MB / 1.279 GB
Warning: The linear system: 
1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1]
]
  =
[
  -loadRL.load1.v[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.conv2.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]
]
 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_lambda0): time 0.02696/0.9764, allocations: 10.17 MB / 1.6 GB, free: 6.504 MB / 1.295 GB
Notification: Performance of prepare postOptimizeDAE: time 3.784e-05/0.9764, allocations: 19.94 kB / 1.6 GB, free: 6.484 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.984e-05/0.9765, allocations: 24 kB / 1.6 GB, free: 6.461 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01514/0.9916, allocations: 4.317 MB / 1.604 GB, free: 2.129 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004741/0.9964, allocations: 1.045 MB / 1.605 GB, free: 1.082 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7902/1.787, allocations: 26.74 MB / 1.631 GB, free: 221.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004567/1.791, allocations: 0.5567 MB / 1.632 GB, free: 221.1 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004957/1.792, allocations: 150.6 kB / 1.632 GB, free: 221.1 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.i1[2]) - line2.i3[2] - line2.i2[2]
         0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.000974/1.793, allocations: 403.2 kB / 1.632 GB, free: 220.8 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006845/1.793, allocations: 211.2 kB / 1.633 GB, free: 220.8 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 : transformer.conv2.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.conv2.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 postOpt wrapFunctionCalls (simulation): time 0.02692/1.82, allocations: 9.933 MB / 1.642 GB, free: 218.2 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.028e-05/1.82, allocations: 35.16 kB / 1.642 GB, free: 218.2 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.622e-05/1.82, allocations: 11.78 kB / 1.642 GB, free: 218.2 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.42e-05/1.82, allocations: 17.5 kB / 1.642 GB, free: 218.2 MB / 1.295 GB
Warning: The linear system: 
1 : 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]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : 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]
4 : transformer.conv2.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.v2_n[1] ;
  line2.v1_n[1] ;
  line2.v1_p[1] ;
  line2.v2_p[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] ;
  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.conv2.V2[1]
]
 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 0.03475/1.855, allocations: 16.05 MB / 1.658 GB, free: 212.7 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.894e-05/1.855, allocations: 7.875 kB / 1.658 GB, free: 212.7 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003265/1.858, allocations: 0.7303 MB / 1.659 GB, free: 212.6 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01622/1.875, allocations: 5.176 MB / 1.664 GB, free: 210.1 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004827/1.875, allocations: 77.7 kB / 1.664 GB, free: 210.1 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03075/1.906, allocations: 26.92 MB / 1.69 GB, free: 187.8 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.225e-06/1.906, allocations: 12.03 kB / 1.69 GB, free: 187.8 MB / 1.295 GB
Warning: The linear system: 
1 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02184/1.928, allocations: 9.925 MB / 1.7 GB, free: 177.7 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002096/1.93, allocations: 0.6526 MB / 1.701 GB, free: 177 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005002/1.93, allocations: 58.11 kB / 1.701 GB, free: 177 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003158/1.933, allocations: 0.5031 MB / 1.701 GB, free: 176.4 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006803/1.934, allocations: 242.9 kB / 1.701 GB, free: 176.2 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002018/1.934, allocations: 91.95 kB / 1.701 GB, free: 176.1 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001265/1.936, allocations: 1.001 MB / 1.702 GB, free: 175.1 MB / 1.295 GB
Notification: Performance of sort global known variables: time 9e-08/1.936, allocations: 4 kB / 1.702 GB, free: 175.1 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005861/1.942, allocations: 1.855 MB / 1.704 GB, free: 173.3 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 : 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]
2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : 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]
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.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[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.conv2.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]
]
 might be structurally or numerically singular for variable line2.v2_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 0.02113/1.963, allocations: 10.56 MB / 1.714 GB, free: 162.5 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02374/1.986, allocations: 12.02 MB / 1.726 GB, free: 150.4 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.084e-05/1.986, allocations: 0 / 1.726 GB, free: 150.4 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.008379/1.995, allocations: 4.247 MB / 1.73 GB, free: 146.1 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001928/1.997, allocations: 287.4 kB / 1.731 GB, free: 145.8 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.conv2.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.conv2.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.conv2.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.conv2.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 0.07847/2.075, allocations: 42.08 MB / 1.772 GB, free: 102.5 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002251/2.077, allocations: 2.85 MB / 1.775 GB, free: 99.64 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.003732/2.081, allocations: 1.662 MB / 1.776 GB, free: 97.98 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001326/2.082, allocations: 1.222 MB / 1.777 GB, free: 96.76 MB / 1.295 GB
Notification: Performance of SimCode: time 1.172e-06/2.082, allocations: 0 / 1.777 GB, free: 96.76 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1713/2.254, allocations: 107.8 MB / 1.883 GB, free: 5.273 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.67/19.92, allocations: 4.062 kB / 1.883 GB, free: 5.27 MB / 1.311 GB
"
[Timeout remaining time 280]
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 840.0]
[Calling os._exit(0), Time elapsed: 26.782004140000026]
Failed to read output from testmodel.py, exit status != 0:
20.08944386500025 20.112845725 19.64031674
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fa960e12f20>