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 0.001816/0.001816, allocations: 110 kB / 16.46 MB, free: 6.453 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 0.002125/0.002125, allocations: 213.7 kB / 19.43 MB, free: 3.625 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 1.395/1.395, allocations: 230.6 MB / 252.8 MB, free: 8.977 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 3.125/3.125, allocations: 0.505 GB / 0.8066 GB, free: 23.11 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 0.002021/0.002021, allocations: 67.59 kB / 1.172 GB, free: 17.48 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3334/0.3354, allocations: 180.2 MB / 1.348 GB, free: 9.871 MB / 1.045 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02431/0.3597, allocations: 18.62 MB / 1.366 GB, free: 7.188 MB / 1.061 GB
Notification: Performance of NFInst.instExpressions: time 0.01225/0.372, allocations: 6.968 MB / 1.373 GB, free: 208 kB / 1.061 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001732/0.3737, allocations: 67.69 kB / 1.373 GB, free: 140 kB / 1.061 GB
Notification: Performance of NFTyping.typeComponents: time 0.003859/0.3776, allocations: 1.495 MB / 1.374 GB, free: 14.64 MB / 1.076 GB
Notification: Performance of NFTyping.typeBindings: time 0.00391/0.3815, allocations: 1.471 MB / 1.376 GB, free: 13.16 MB / 1.076 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00324/0.3847, allocations: 1.271 MB / 1.377 GB, free: 11.89 MB / 1.076 GB
Notification: Performance of NFFlatten.flatten: time 0.00676/0.3915, allocations: 5.472 MB / 1.382 GB, free: 6.406 MB / 1.076 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006967/0.3984, allocations: 5.191 MB / 1.387 GB, free: 1.102 MB / 1.076 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003944/0.4024, allocations: 2.408 MB / 1.39 GB, free: 14.69 MB / 1.092 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004727/0.4071, allocations: 3.175 MB / 1.393 GB, free: 11.5 MB / 1.092 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009618/0.4081, allocations: 0.5117 MB / 1.393 GB, free: 10.99 MB / 1.092 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002597/0.4107, allocations: 1.291 MB / 1.395 GB, free: 9.699 MB / 1.092 GB
Notification: Performance of NFScalarize.scalarize: time 0.002642/0.4133, allocations: 2.307 MB / 1.397 GB, free: 7.387 MB / 1.092 GB
Notification: Performance of NFVerifyModel.verify: time 0.003065/0.4164, allocations: 2.19 MB / 1.399 GB, free: 5.188 MB / 1.092 GB
Notification: Performance of NFConvertDAE.convert: time 0.008747/0.4251, allocations: 7.8 MB / 1.407 GB, free: 13.36 MB / 1.107 GB
Notification: Performance of FrontEnd - DAE generated: time 4.919e-06/0.4251, allocations: 0 / 1.407 GB, free: 13.36 MB / 1.107 GB
Notification: Performance of FrontEnd: time 1.693e-06/0.4251, allocations: 0 / 1.407 GB, free: 13.36 MB / 1.107 GB
Notification: Performance of Transformations before backend: time 0.0001583/0.4253, allocations: 0 / 1.407 GB, free: 13.36 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 0.008865/0.4342, allocations: 3.911 MB / 1.41 GB, free: 9.387 MB / 1.107 GB
Notification: Performance of prepare preOptimizeDAE: time 4.54e-05/0.4342, allocations: 11.98 kB / 1.411 GB, free: 9.375 MB / 1.107 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008583/0.4351, allocations: 0.5504 MB / 1.411 GB, free: 8.816 MB / 1.107 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01331/0.4484, allocations: 2.429 MB / 1.413 GB, free: 6.383 MB / 1.107 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005158/0.4535, allocations: 2.203 MB / 1.416 GB, free: 4.133 MB / 1.107 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002918/0.4538, allocations: 267.3 kB / 1.416 GB, free: 3.871 MB / 1.107 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00137/0.4552, allocations: 352 kB / 1.416 GB, free: 3.527 MB / 1.107 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01796/0.4731, allocations: 7.151 MB / 1.423 GB, free: 12.27 MB / 1.123 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001181/0.4733, allocations: 11.94 kB / 1.423 GB, free: 12.26 MB / 1.123 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001063/0.4743, allocations: 155.9 kB / 1.423 GB, free: 12.11 MB / 1.123 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005458/0.4749, allocations: 334.1 kB / 1.424 GB, free: 11.78 MB / 1.123 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01837/0.4932, allocations: 7.048 MB / 1.431 GB, free: 4.723 MB / 1.123 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03958/0.5328, allocations: 26.54 MB / 1.456 GB, free: 8.016 MB / 1.154 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009514/0.5423, allocations: 4.875 MB / 1.461 GB, free: 2.84 MB / 1.154 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006418/0.5488, allocations: 2.534 MB / 1.464 GB, free: 292 kB / 1.154 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003129/0.5491, allocations: 127 kB / 1.464 GB, free: 144 kB / 1.154 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.939e-05/0.5491, allocations: 68.5 kB / 1.464 GB, free: 68 kB / 1.154 GB
Notification: Performance of pre-optimization done (n=208): time 4.178e-06/0.5491, allocations: 0 / 1.464 GB, free: 68 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.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 0.1145/0.6637, allocations: 31.1 MB / 1.494 GB, free: 0.8906 MB / 1.186 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000174/0.6638, allocations: 235.6 kB / 1.494 GB, free: 0.6094 MB / 1.186 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002799/0.6666, allocations: 1.473 MB / 1.496 GB, free: 15.13 MB / 1.201 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005929/0.6672, allocations: 69.7 kB / 1.496 GB, free: 15.05 MB / 1.201 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001333/0.6686, allocations: 1.55 MB / 1.497 GB, free: 13.49 MB / 1.201 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001337/0.6699, allocations: 0.9644 MB / 1.498 GB, free: 12.52 MB / 1.201 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001775/0.6717, allocations: 0.632 MB / 1.499 GB, free: 11.88 MB / 1.201 GB
Notification: Performance of setup shared object (initialization): time 0.0001539/0.6718, allocations: 309.1 kB / 1.499 GB, free: 11.57 MB / 1.201 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006603/0.6784, allocations: 2.686 MB / 1.502 GB, free: 8.875 MB / 1.201 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007532/0.686, allocations: 3.575 MB / 1.505 GB, free: 4.926 MB / 1.201 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01449/0.7005, allocations: 6.399 MB / 1.512 GB, free: 14.13 MB / 1.217 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.928e-05/0.7005, allocations: 8 kB / 1.512 GB, free: 14.12 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.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 0.03193/0.7324, allocations: 10.9 MB / 1.522 GB, free: 3.113 MB / 1.217 GB
Notification: Performance of prepare postOptimizeDAE: time 4.557e-05/0.7325, allocations: 20.09 kB / 1.522 GB, free: 3.094 MB / 1.217 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.18e-05/0.7325, allocations: 32 kB / 1.522 GB, free: 3.062 MB / 1.217 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02085/0.7534, allocations: 5.559 MB / 1.528 GB, free: 13.49 MB / 1.232 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004493/0.7579, allocations: 0.9946 MB / 1.529 GB, free: 12.49 MB / 1.232 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04907/0.8069, allocations: 28.21 MB / 1.556 GB, free: 15.83 MB / 1.264 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004882/0.8118, allocations: 0.5733 MB / 1.557 GB, free: 15.25 MB / 1.264 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007367/0.8126, allocations: 152 kB / 1.557 GB, free: 15.11 MB / 1.264 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00926/0.8218, allocations: 3.987 MB / 1.561 GB, free: 11.11 MB / 1.264 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00771/0.8295, allocations: 3.528 MB / 1.564 GB, free: 7.203 MB / 1.264 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09312/0.9226, allocations: 24.62 MB / 1.588 GB, free: 14.07 MB / 1.295 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.152e-05/0.9227, allocations: 11.98 kB / 1.588 GB, free: 14.05 MB / 1.295 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 0.02892/0.9516, allocations: 10.48 MB / 1.599 GB, free: 3.426 MB / 1.295 GB
Notification: Performance of prepare postOptimizeDAE: time 5.145e-05/0.9517, allocations: 19.94 kB / 1.599 GB, free: 3.406 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.838e-05/0.9517, allocations: 24 kB / 1.599 GB, free: 3.383 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6402/1.592, allocations: 4.314 MB / 1.603 GB, free: 235.5 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004869/1.597, allocations: 1.043 MB / 1.604 GB, free: 235.5 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0355/1.632, allocations: 27.14 MB / 1.63 GB, free: 221.3 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00458/1.637, allocations: 0.5572 MB / 1.631 GB, free: 221.3 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004372/1.637, allocations: 153.6 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 0.0008756/1.638, allocations: 396.4 kB / 1.632 GB, free: 220.9 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005547/1.639, allocations: 216.6 kB / 1.632 GB, free: 220.9 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 0.02528/1.664, allocations: 10.08 MB / 1.642 GB, free: 218.2 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.328e-05/1.664, allocations: 31.88 kB / 1.642 GB, free: 218.1 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.107e-05/1.664, allocations: 12.03 kB / 1.642 GB, free: 218.1 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.344e-05/1.664, allocations: 13.88 kB / 1.642 GB, free: 218.1 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 0.03311/1.697, allocations: 16.23 MB / 1.657 GB, free: 212.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.906e-05/1.697, allocations: 7.812 kB / 1.657 GB, free: 212.2 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003133/1.7, allocations: 0.7386 MB / 1.658 GB, free: 212 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01672/1.717, allocations: 5.166 MB / 1.663 GB, free: 209.5 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005438/1.718, allocations: 81.17 kB / 1.663 GB, free: 209.4 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03285/1.75, allocations: 27.23 MB / 1.69 GB, free: 184.5 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.199e-05/1.75, allocations: 16.03 kB / 1.69 GB, free: 184.5 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 0.02297/1.773, allocations: 10.07 MB / 1.7 GB, free: 174.2 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001674/1.775, allocations: 0.7282 MB / 1.7 GB, free: 173.4 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000664/1.776, allocations: 52 kB / 1.701 GB, free: 173.4 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003537/1.779, allocations: 0.5148 MB / 1.701 GB, free: 172.9 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007982/1.78, allocations: 227.8 kB / 1.701 GB, free: 172.6 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003055/1.78, allocations: 95.95 kB / 1.701 GB, free: 172.5 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.00145/1.782, allocations: 1.008 MB / 1.702 GB, free: 171.5 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1.01e-07/1.782, allocations: 0 / 1.702 GB, free: 171.5 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.006526/1.788, allocations: 1.848 MB / 1.704 GB, free: 169.7 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 0.02246/1.811, allocations: 10.72 MB / 1.715 GB, free: 158.7 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02549/1.836, allocations: 12.02 MB / 1.726 GB, free: 146.6 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.188e-05/1.836, allocations: 7.656 kB / 1.726 GB, free: 146.6 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009092/1.845, allocations: 4.238 MB / 1.73 GB, free: 142.3 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002645/1.848, allocations: 289.2 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.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 0.08748/1.936, allocations: 42.3 MB / 1.772 GB, free: 98.47 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003145/1.939, allocations: 2.853 MB / 1.775 GB, free: 95.59 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.004129/1.943, allocations: 1.655 MB / 1.776 GB, free: 93.94 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00162/1.944, allocations: 1.226 MB / 1.778 GB, free: 92.71 MB / 1.295 GB
Notification: Performance of SimCode: time 1.182e-06/1.944, allocations: 0 / 1.778 GB, free: 92.71 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1467/2.091, allocations: 104.2 MB / 1.879 GB, free: 4.859 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.44/18.54, allocations: 13.75 kB / 1.879 GB, free: 4.848 MB / 1.311 GB
"
[Timeout remaining time 281]
(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: 25.106453298125416]
Failed to read output from testmodel.py, exit status != 0:
18.677983408793807 18.693480584 18.265245458
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f5d0a95ace0>