Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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 0.001725/0.001725, allocations: 114.3 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 0.002154/0.002154, allocations: 217.8 kB / 22.26 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 1.443/1.443, allocations: 230.6 MB / 256 MB, free: 8.039 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 3.105/3.105, allocations: 0.505 GB / 0.8101 GB, free: 22.05 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.BalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_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 0.001994/0.001994, allocations: 66.91 kB / 1.177 GB, free: 17 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3582/0.3602, allocations: 180.2 MB / 1.353 GB, free: 8.387 MB / 1.045 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02524/0.3854, allocations: 19.2 MB / 1.372 GB, free: 5.125 MB / 1.061 GB
Notification: Performance of NFInst.instExpressions: time 0.01298/0.3984, allocations: 7.065 MB / 1.379 GB, free: 14.04 MB / 1.076 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001772/0.4002, allocations: 63.75 kB / 1.379 GB, free: 13.98 MB / 1.076 GB
Notification: Performance of NFTyping.typeComponents: time 0.004005/0.4042, allocations: 1.524 MB / 1.38 GB, free: 12.45 MB / 1.076 GB
Notification: Performance of NFTyping.typeBindings: time 0.003597/0.4078, allocations: 1.451 MB / 1.382 GB, free: 11 MB / 1.076 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003281/0.4111, allocations: 1.289 MB / 1.383 GB, free: 9.707 MB / 1.076 GB
Notification: Performance of NFFlatten.flatten: time 0.007056/0.4181, allocations: 5.457 MB / 1.388 GB, free: 4.238 MB / 1.076 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005156/0.4233, allocations: 3.37 MB / 1.391 GB, free: 0.7734 MB / 1.076 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003723/0.427, allocations: 2.396 MB / 1.394 GB, free: 14.37 MB / 1.092 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005216/0.4322, allocations: 3.155 MB / 1.397 GB, free: 11.21 MB / 1.092 GB
Notification: Performance of NFPackage.collectConstants: time 0.001042/0.4333, allocations: 0.5078 MB / 1.397 GB, free: 10.7 MB / 1.092 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002522/0.4358, allocations: 1.295 MB / 1.399 GB, free: 9.402 MB / 1.092 GB
Notification: Performance of NFScalarize.scalarize: time 0.002604/0.4384, allocations: 2.3 MB / 1.401 GB, free: 7.098 MB / 1.092 GB
Notification: Performance of NFVerifyModel.verify: time 0.002722/0.4411, allocations: 2.179 MB / 1.403 GB, free: 4.91 MB / 1.092 GB
Notification: Performance of NFConvertDAE.convert: time 0.009429/0.4506, allocations: 7.757 MB / 1.411 GB, free: 13.13 MB / 1.107 GB
Notification: Performance of FrontEnd - DAE generated: time 4.889e-06/0.4506, allocations: 0 / 1.411 GB, free: 13.13 MB / 1.107 GB
Notification: Performance of FrontEnd: time 1.984e-06/0.4506, allocations: 0 / 1.411 GB, free: 13.13 MB / 1.107 GB
Notification: Performance of Transformations before backend: time 0.0001623/0.4507, allocations: 0 / 1.411 GB, free: 13.13 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.007999/0.4587, allocations: 3.793 MB / 1.414 GB, free: 9.289 MB / 1.107 GB
Notification: Performance of prepare preOptimizeDAE: time 4.449e-05/0.4588, allocations: 12.03 kB / 1.414 GB, free: 9.277 MB / 1.107 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007963/0.4596, allocations: 0.5345 MB / 1.415 GB, free: 8.734 MB / 1.107 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01238/0.4719, allocations: 2.425 MB / 1.417 GB, free: 6.305 MB / 1.107 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005598/0.4775, allocations: 2.162 MB / 1.419 GB, free: 4.109 MB / 1.107 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003037/0.4778, allocations: 275.2 kB / 1.42 GB, free: 3.84 MB / 1.107 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001375/0.4792, allocations: 340 kB / 1.42 GB, free: 3.508 MB / 1.107 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01583/0.495, allocations: 7.134 MB / 1.427 GB, free: 12.27 MB / 1.123 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.056e-05/0.4951, allocations: 7.938 kB / 1.427 GB, free: 12.26 MB / 1.123 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000434/0.4956, allocations: 144 kB / 1.427 GB, free: 12.12 MB / 1.123 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004624/0.496, allocations: 334 kB / 1.427 GB, free: 11.79 MB / 1.123 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01542/0.5114, allocations: 7.035 MB / 1.434 GB, free: 4.746 MB / 1.123 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0357/0.5471, allocations: 25.97 MB / 1.46 GB, free: 8.645 MB / 1.154 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007721/0.5549, allocations: 3.732 MB / 1.463 GB, free: 4.887 MB / 1.154 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006005/0.5609, allocations: 2.518 MB / 1.466 GB, free: 2.344 MB / 1.154 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002586/0.5611, allocations: 53.88 kB / 1.466 GB, free: 2.289 MB / 1.154 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.503e-05/0.5612, allocations: 68.5 kB / 1.466 GB, free: 2.215 MB / 1.154 GB
Notification: Performance of pre-optimization done (n=208): time 6.032e-06/0.5612, allocations: 3.984 kB / 1.466 GB, free: 2.211 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 0.1012/0.6623, allocations: 30.76 MB / 1.496 GB, free: 3.473 MB / 1.186 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001577/0.6625, allocations: 243.6 kB / 1.496 GB, free: 3.184 MB / 1.186 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002272/0.6648, allocations: 1.427 MB / 1.497 GB, free: 1.746 MB / 1.186 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005057/0.6653, allocations: 65.7 kB / 1.497 GB, free: 1.676 MB / 1.186 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001151/0.6664, allocations: 1.534 MB / 1.499 GB, free: 128 kB / 1.186 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00116/0.6676, allocations: 0.9683 MB / 1.5 GB, free: 15.15 MB / 1.201 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001115/0.6687, allocations: 0.636 MB / 1.501 GB, free: 14.5 MB / 1.201 GB
Notification: Performance of setup shared object (initialization): time 0.0001274/0.6688, allocations: 301.1 kB / 1.501 GB, free: 14.21 MB / 1.201 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006034/0.6749, allocations: 2.69 MB / 1.503 GB, free: 11.51 MB / 1.201 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007049/0.6819, allocations: 3.575 MB / 1.507 GB, free: 7.555 MB / 1.201 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01335/0.6953, allocations: 6.402 MB / 1.513 GB, free: 0.7539 MB / 1.201 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.364e-05/0.6953, allocations: 8 kB / 1.513 GB, free: 0.7461 MB / 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 0.029/0.7243, allocations: 10.76 MB / 1.524 GB, free: 5.91 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 4.019e-05/0.7243, allocations: 16 kB / 1.524 GB, free: 5.895 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.635e-05/0.7244, allocations: 24.19 kB / 1.524 GB, free: 5.871 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02035/0.7447, allocations: 5.564 MB / 1.529 GB, free: 300 kB / 1.217 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004459/0.7492, allocations: 0.9984 MB / 1.53 GB, free: 15.29 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04574/0.7949, allocations: 27.89 MB / 1.557 GB, free: 3.027 MB / 1.248 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004474/0.7994, allocations: 0.5732 MB / 1.558 GB, free: 2.453 MB / 1.248 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005072/0.7999, allocations: 155.9 kB / 1.558 GB, free: 2.301 MB / 1.248 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008557/0.8085, allocations: 3.988 MB / 1.562 GB, free: 14.3 MB / 1.264 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007052/0.8155, allocations: 3.532 MB / 1.565 GB, free: 10.39 MB / 1.264 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08852/0.904, allocations: 24.48 MB / 1.589 GB, free: 1.438 MB / 1.279 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.653e-05/0.9041, allocations: 11.94 kB / 1.589 GB, free: 1.426 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 0.02704/0.9311, allocations: 10.16 MB / 1.599 GB, free: 7.188 MB / 1.295 GB
Notification: Performance of prepare postOptimizeDAE: time 3.979e-05/0.9311, allocations: 22.53 kB / 1.599 GB, free: 7.168 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.791e-05/0.9312, allocations: 28 kB / 1.599 GB, free: 7.141 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01519/0.9464, allocations: 4.325 MB / 1.604 GB, free: 2.801 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004646/0.951, allocations: 1.041 MB / 1.605 GB, free: 1.758 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6887/1.64, allocations: 26.74 MB / 1.631 GB, free: 221.4 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004868/1.645, allocations: 0.5527 MB / 1.631 GB, free: 221.4 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000648/1.645, allocations: 152.1 kB / 1.631 GB, free: 221.3 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 0.001043/1.646, allocations: 401.4 kB / 1.632 GB, free: 221.1 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006713/1.647, allocations: 206.7 kB / 1.632 GB, free: 221.1 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 0.02617/1.673, allocations: 9.931 MB / 1.642 GB, free: 218.5 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.58e-05/1.673, allocations: 27.97 kB / 1.642 GB, free: 218.5 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.013e-05/1.673, allocations: 12.62 kB / 1.642 GB, free: 218.5 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.913e-05/1.673, allocations: 14.05 kB / 1.642 GB, free: 218.5 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 0.03429/1.708, allocations: 16.04 MB / 1.657 GB, free: 213 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.069e-05/1.708, allocations: 7.938 kB / 1.657 GB, free: 213 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003111/1.711, allocations: 0.7336 MB / 1.658 GB, free: 212.9 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01653/1.727, allocations: 5.183 MB / 1.663 GB, free: 210.6 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005893/1.728, allocations: 82.02 kB / 1.663 GB, free: 210.5 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03205/1.76, allocations: 26.93 MB / 1.69 GB, free: 188.5 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.816e-06/1.76, allocations: 12.03 kB / 1.69 GB, free: 188.5 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 0.02185/1.782, allocations: 9.898 MB / 1.699 GB, free: 178.4 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002023/1.784, allocations: 0.6528 MB / 1.7 GB, free: 177.7 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008019/1.785, allocations: 59.98 kB / 1.7 GB, free: 177.7 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00349/1.788, allocations: 0.5069 MB / 1.7 GB, free: 177.2 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007923/1.789, allocations: 238.2 kB / 1.701 GB, free: 176.9 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003141/1.789, allocations: 87.95 kB / 1.701 GB, free: 176.9 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001219/1.79, allocations: 0.9762 MB / 1.702 GB, free: 175.9 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1.11e-07/1.79, allocations: 0 / 1.702 GB, free: 175.9 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005609/1.796, allocations: 1.852 MB / 1.703 GB, free: 174 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 0.02144/1.817, allocations: 10.57 MB / 1.714 GB, free: 163.3 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02548/1.843, allocations: 12.02 MB / 1.726 GB, free: 151.1 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.35e-05/1.843, allocations: 0 / 1.726 GB, free: 151.1 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009134/1.852, allocations: 4.251 MB / 1.73 GB, free: 146.8 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002456/1.855, allocations: 264.2 kB / 1.73 GB, free: 146.6 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.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08549/1.94, allocations: 41.89 MB / 1.771 GB, free: 103.5 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003425/1.943, allocations: 2.837 MB / 1.774 GB, free: 100.6 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.004181/1.948, allocations: 1.648 MB / 1.775 GB, free: 98.99 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001654/1.949, allocations: 1.21 MB / 1.776 GB, free: 97.78 MB / 1.295 GB
Notification: Performance of SimCode: time 1.493e-06/1.949, allocations: 0 / 1.776 GB, free: 97.78 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1529/2.102, allocations: 106.9 MB / 1.881 GB, free: 7.184 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.38/19.49, allocations: 7.938 kB / 1.881 GB, free: 7.176 MB / 1.311 GB
"
[Timeout remaining time 280]
(rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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_BalancedStepUp_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1) [Timeout 840.0]
[Calling os._exit(0), Time elapsed: 26.151416262999646]
Failed to read output from testmodel.py, exit status != 0:
19.64788588700003 19.663452355 19.209677829
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f05f5436f20>