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 4.1.0+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 0.001412/0.001412, allocations: 103 kB / 16.45 MB, free: 6.5 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 0.001585/0.001585, allocations: 210.4 kB / 19.43 MB, free: 3.656 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 1.432/1.432, allocations: 230.6 MB / 252.8 MB, free: 8.961 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 3.154/3.154, allocations: 0.505 GB / 0.8066 GB, free: 23.04 MB / 0.6231 GB
"
[Timeout remaining time 176]
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.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: 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 0.002035/0.002035, allocations: 68.33 kB / 1.172 GB, free: 17.45 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3711/0.3731, allocations: 180.2 MB / 1.348 GB, free: 9.828 MB / 1.045 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02365/0.3968, allocations: 18.63 MB / 1.366 GB, free: 7.133 MB / 1.061 GB
Notification: Performance of NFInst.instExpressions: time 0.01235/0.4091, allocations: 6.917 MB / 1.373 GB, free: 204 kB / 1.061 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001768/0.4109, allocations: 67.69 kB / 1.373 GB, free: 136 kB / 1.061 GB
Notification: Performance of NFTyping.typeComponents: time 0.003805/0.4147, allocations: 1.491 MB / 1.374 GB, free: 14.64 MB / 1.076 GB
Notification: Performance of NFTyping.typeBindings: time 0.003431/0.4181, allocations: 1.459 MB / 1.376 GB, free: 13.17 MB / 1.076 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003091/0.4212, allocations: 1.265 MB / 1.377 GB, free: 11.91 MB / 1.076 GB
Notification: Performance of NFFlatten.flatten: time 0.006876/0.4281, allocations: 5.48 MB / 1.382 GB, free: 6.414 MB / 1.076 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006598/0.4347, allocations: 5.179 MB / 1.387 GB, free: 1.121 MB / 1.076 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003972/0.4386, allocations: 2.412 MB / 1.39 GB, free: 14.7 MB / 1.092 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005224/0.4439, allocations: 3.171 MB / 1.393 GB, free: 11.52 MB / 1.092 GB
Notification: Performance of NFPackage.collectConstants: time 0.001046/0.4449, allocations: 0.5156 MB / 1.393 GB, free: 11.01 MB / 1.092 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002601/0.4475, allocations: 1.295 MB / 1.395 GB, free: 9.711 MB / 1.092 GB
Notification: Performance of NFScalarize.scalarize: time 0.002537/0.45, allocations: 2.303 MB / 1.397 GB, free: 7.402 MB / 1.092 GB
Notification: Performance of NFVerifyModel.verify: time 0.002734/0.4528, allocations: 2.19 MB / 1.399 GB, free: 5.203 MB / 1.092 GB
Notification: Performance of NFConvertDAE.convert: time 0.009162/0.4619, allocations: 7.796 MB / 1.407 GB, free: 13.38 MB / 1.107 GB
Notification: Performance of FrontEnd - DAE generated: time 6.803e-06/0.4619, allocations: 0 / 1.407 GB, free: 13.38 MB / 1.107 GB
Notification: Performance of FrontEnd: time 1.452e-06/0.462, allocations: 0 / 1.407 GB, free: 13.38 MB / 1.107 GB
Notification: Performance of Transformations before backend: time 0.0002147/0.4622, allocations: 4 kB / 1.407 GB, free: 13.38 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 0.008784/0.4709, allocations: 3.917 MB / 1.41 GB, free: 9.398 MB / 1.107 GB
Notification: Performance of prepare preOptimizeDAE: time 4.91e-05/0.471, allocations: 11.98 kB / 1.41 GB, free: 9.387 MB / 1.107 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008538/0.4719, allocations: 0.5465 MB / 1.411 GB, free: 8.832 MB / 1.107 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01329/0.4851, allocations: 2.429 MB / 1.413 GB, free: 6.398 MB / 1.107 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005135/0.4903, allocations: 2.203 MB / 1.416 GB, free: 4.148 MB / 1.107 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002279/0.4905, allocations: 271.2 kB / 1.416 GB, free: 3.883 MB / 1.107 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008827/0.4914, allocations: 344 kB / 1.416 GB, free: 3.547 MB / 1.107 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01618/0.5076, allocations: 7.155 MB / 1.423 GB, free: 12.29 MB / 1.123 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001329/0.5077, allocations: 7.938 kB / 1.423 GB, free: 12.28 MB / 1.123 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008927/0.5086, allocations: 151.9 kB / 1.423 GB, free: 12.13 MB / 1.123 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005571/0.5091, allocations: 334.1 kB / 1.424 GB, free: 11.8 MB / 1.123 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01734/0.5265, allocations: 7.051 MB / 1.43 GB, free: 4.742 MB / 1.123 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 0.04044/0.5669, allocations: 26.59 MB / 1.456 GB, free: 7.973 MB / 1.154 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009393/0.5763, allocations: 4.871 MB / 1.461 GB, free: 2.801 MB / 1.154 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006504/0.5828, allocations: 2.53 MB / 1.464 GB, free: 256 kB / 1.154 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003614/0.5832, allocations: 135 kB / 1.464 GB, free: 100 kB / 1.154 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.983e-05/0.5833, allocations: 56.56 kB / 1.464 GB, free: 36 kB / 1.154 GB
Notification: Performance of pre-optimization done (n=208): time 4.538e-06/0.5833, allocations: 0 / 1.464 GB, free: 36 kB / 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.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 0.1129/0.6962, allocations: 31.12 MB / 1.494 GB, free: 0.8477 MB / 1.186 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001606/0.6963, allocations: 239.5 kB / 1.494 GB, free: 0.5625 MB / 1.186 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002709/0.699, allocations: 1.469 MB / 1.496 GB, free: 15.08 MB / 1.201 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005483/0.6996, allocations: 77.69 kB / 1.496 GB, free: 15 MB / 1.201 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001242/0.7008, allocations: 1.55 MB / 1.497 GB, free: 13.44 MB / 1.201 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001361/0.7022, allocations: 0.9644 MB / 1.498 GB, free: 12.46 MB / 1.201 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001988/0.7042, allocations: 0.632 MB / 1.499 GB, free: 11.82 MB / 1.201 GB
Notification: Performance of setup shared object (initialization): time 0.0001293/0.7043, allocations: 309.1 kB / 1.499 GB, free: 11.52 MB / 1.201 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006612/0.7109, allocations: 2.686 MB / 1.502 GB, free: 8.824 MB / 1.201 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007384/0.7183, allocations: 3.567 MB / 1.505 GB, free: 4.883 MB / 1.201 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01439/0.7327, allocations: 6.41 MB / 1.512 GB, free: 14.07 MB / 1.217 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.286e-05/0.7327, allocations: 8 kB / 1.512 GB, free: 14.06 MB / 1.217 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 0.03122/0.7639, allocations: 10.94 MB / 1.522 GB, free: 3.016 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 5.773e-05/0.764, allocations: 23.94 kB / 1.522 GB, free: 2.992 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.583e-05/0.7641, allocations: 27.98 kB / 1.522 GB, free: 2.965 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02096/0.785, allocations: 5.544 MB / 1.528 GB, free: 13.41 MB / 1.232 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004521/0.7895, allocations: 0.9867 MB / 1.529 GB, free: 12.42 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05091/0.8405, allocations: 28.22 MB / 1.556 GB, free: 15.75 MB / 1.264 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005082/0.8455, allocations: 0.5694 MB / 1.557 GB, free: 15.18 MB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008394/0.8464, allocations: 155.9 kB / 1.557 GB, free: 15.02 MB / 1.264 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01003/0.8564, allocations: 3.98 MB / 1.561 GB, free: 11.04 MB / 1.264 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007754/0.8642, allocations: 3.528 MB / 1.564 GB, free: 7.129 MB / 1.264 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09285/0.957, allocations: 24.62 MB / 1.588 GB, free: 14 MB / 1.295 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.17e-05/0.957, allocations: 11.94 kB / 1.588 GB, free: 13.99 MB / 1.295 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 0.02824/0.9853, allocations: 10.48 MB / 1.599 GB, free: 3.363 MB / 1.295 GB
Notification: Performance of prepare postOptimizeDAE: time 4.46e-05/0.9853, allocations: 20 kB / 1.599 GB, free: 3.344 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.394e-05/0.9854, allocations: 35.94 kB / 1.599 GB, free: 3.309 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.7089/1.694, allocations: 4.312 MB / 1.603 GB, free: 235.5 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005119/1.699, allocations: 1.042 MB / 1.604 GB, free: 235.5 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03793/1.737, allocations: 27.13 MB / 1.63 GB, free: 221.4 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004776/1.742, allocations: 0.5563 MB / 1.631 GB, free: 221.3 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004623/1.743, allocations: 153.7 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.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 0.001051/1.744, allocations: 391.7 kB / 1.632 GB, free: 221 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006129/1.744, allocations: 210.5 kB / 1.632 GB, free: 221 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 0.027/1.771, allocations: 10.08 MB / 1.642 GB, free: 218.2 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.041e-05/1.771, allocations: 33.36 kB / 1.642 GB, free: 218.2 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.788e-05/1.771, allocations: 13.92 kB / 1.642 GB, free: 218.2 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.231e-05/1.771, allocations: 14.08 kB / 1.642 GB, free: 218.2 MB / 1.295 GB
Warning: The linear system: 
1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1]
]
  =
[
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03301/1.804, allocations: 16.19 MB / 1.657 GB, free: 212.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.088e-05/1.804, allocations: 7.906 kB / 1.657 GB, free: 212.2 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003004/1.807, allocations: 0.7344 MB / 1.658 GB, free: 212 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01621/1.824, allocations: 5.17 MB / 1.663 GB, free: 209.5 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005395/1.824, allocations: 77.27 kB / 1.663 GB, free: 209.4 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03178/1.856, allocations: 27.27 MB / 1.69 GB, free: 184.3 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.334e-06/1.856, allocations: 16.02 kB / 1.69 GB, free: 184.3 MB / 1.295 GB
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0224/1.878, allocations: 10.03 MB / 1.7 GB, free: 174.1 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001997/1.88, allocations: 0.736 MB / 1.7 GB, free: 173.3 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005819/1.881, allocations: 55.98 kB / 1.7 GB, free: 173.3 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003478/1.884, allocations: 0.5031 MB / 1.701 GB, free: 172.8 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007615/1.885, allocations: 226.3 kB / 1.701 GB, free: 172.5 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002078/1.885, allocations: 91.95 kB / 1.701 GB, free: 172.4 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001289/1.887, allocations: 1.009 MB / 1.702 GB, free: 171.4 MB / 1.295 GB
Notification: Performance of sort global known variables: time 8e-08/1.887, allocations: 0 / 1.702 GB, free: 171.4 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.00589/1.893, allocations: 1.852 MB / 1.704 GB, free: 169.6 MB / 1.295 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 34
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (165):
 * Single equations (assignments): 162
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 2 systems
   {(10,44,70.0%), (1,3,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(10,44)}
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.02212/1.915, allocations: 10.68 MB / 1.715 GB, free: 158.7 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02663/1.941, allocations: 12.02 MB / 1.726 GB, free: 146.5 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.493e-05/1.941, allocations: 0 / 1.726 GB, free: 146.5 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009659/1.951, allocations: 4.261 MB / 1.73 GB, free: 142.2 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002267/1.953, allocations: 291.3 kB / 1.731 GB, free: 142 MB / 1.295 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08423/2.038, allocations: 42.34 MB / 1.772 GB, free: 98.34 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002594/2.04, allocations: 2.851 MB / 1.775 GB, free: 95.45 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.004113/2.044, allocations: 1.662 MB / 1.776 GB, free: 93.8 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001533/2.046, allocations: 1.226 MB / 1.778 GB, free: 92.57 MB / 1.295 GB
Notification: Performance of SimCode: time 1.383e-06/2.046, allocations: 0 / 1.778 GB, free: 92.57 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1709/2.217, allocations: 104.2 MB / 1.879 GB, free: 4.734 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.35/18.57, allocations: 11.64 kB / 1.879 GB, free: 4.723 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 & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_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: 25.221276547992602]
Failed to read output from testmodel.py, exit status != 0:
18.699689789908007 18.714293772 18.249200353
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f8d0a5face0>