Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 0.001336/0.001336, 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 0.001478/0.001478, allocations: 216.2 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 1.397/1.397, allocations: 230.6 MB / 256 MB, free: 8.008 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.031/3.031, allocations: 0.49 GB / 0.7951 GB, free: 33.46 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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.BalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_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 0.001953/0.001953, allocations: 68.64 kB / 1.154 GB, free: 25.65 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3458/0.3477, allocations: 176.1 MB / 1.326 GB, free: 1.887 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02496/0.3727, allocations: 19.21 MB / 1.345 GB, free: 14.62 MB / 1.045 GB
Notification: Performance of NFInst.instExpressions: time 0.0121/0.3848, allocations: 7.053 MB / 1.352 GB, free: 7.547 MB / 1.045 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001576/0.3864, allocations: 63.75 kB / 1.352 GB, free: 7.484 MB / 1.045 GB
Notification: Performance of NFTyping.typeComponents: time 0.003865/0.3903, allocations: 1.539 MB / 1.353 GB, free: 5.941 MB / 1.045 GB
Notification: Performance of NFTyping.typeBindings: time 0.003492/0.3937, allocations: 1.443 MB / 1.355 GB, free: 4.492 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003269/0.397, allocations: 1.292 MB / 1.356 GB, free: 3.199 MB / 1.045 GB
Notification: Performance of NFFlatten.flatten: time 0.00777/0.4048, allocations: 5.445 MB / 1.361 GB, free: 13.74 MB / 1.061 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005561/0.4103, allocations: 3.381 MB / 1.364 GB, free: 10.26 MB / 1.061 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003888/0.4142, allocations: 2.396 MB / 1.367 GB, free: 7.855 MB / 1.061 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005047/0.4193, allocations: 3.151 MB / 1.37 GB, free: 4.695 MB / 1.061 GB
Notification: Performance of NFPackage.collectConstants: time 0.001006/0.4203, allocations: 0.5117 MB / 1.37 GB, free: 4.184 MB / 1.061 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002514/0.4228, allocations: 1.276 MB / 1.372 GB, free: 2.906 MB / 1.061 GB
Notification: Performance of NFScalarize.scalarize: time 0.002591/0.4254, allocations: 2.296 MB / 1.374 GB, free: 0.6055 MB / 1.061 GB
Notification: Performance of NFVerifyModel.verify: time 0.003184/0.4286, allocations: 2.175 MB / 1.376 GB, free: 14.42 MB / 1.076 GB
Notification: Performance of NFConvertDAE.convert: time 0.009617/0.4382, allocations: 7.741 MB / 1.384 GB, free: 6.656 MB / 1.076 GB
Notification: Performance of FrontEnd - DAE generated: time 1.041e-05/0.4382, allocations: 8 kB / 1.384 GB, free: 6.648 MB / 1.076 GB
Notification: Performance of FrontEnd: time 2.404e-06/0.4382, allocations: 0 / 1.384 GB, free: 6.648 MB / 1.076 GB
Notification: Performance of Transformations before backend: time 0.0002784/0.4385, allocations: 0 / 1.384 GB, free: 6.648 MB / 1.076 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 0.01049/0.449, allocations: 3.793 MB / 1.387 GB, free: 2.809 MB / 1.076 GB
Notification: Performance of prepare preOptimizeDAE: time 4.599e-05/0.449, allocations: 8.031 kB / 1.387 GB, free: 2.801 MB / 1.076 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009359/0.45, allocations: 0.5423 MB / 1.388 GB, free: 2.25 MB / 1.076 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01264/0.4626, allocations: 2.421 MB / 1.39 GB, free: 15.82 MB / 1.092 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005858/0.4685, allocations: 2.158 MB / 1.392 GB, free: 13.63 MB / 1.092 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002375/0.4687, allocations: 275.1 kB / 1.393 GB, free: 13.36 MB / 1.092 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009815/0.4697, allocations: 348 kB / 1.393 GB, free: 13.02 MB / 1.092 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01737/0.487, allocations: 7.126 MB / 1.4 GB, free: 5.797 MB / 1.092 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001108/0.4872, allocations: 7.891 kB / 1.4 GB, free: 5.789 MB / 1.092 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006641/0.4878, allocations: 148 kB / 1.4 GB, free: 5.645 MB / 1.092 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005273/0.4883, allocations: 338 kB / 1.4 GB, free: 5.312 MB / 1.092 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01836/0.5067, allocations: 7.027 MB / 1.407 GB, free: 14.27 MB / 1.107 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 0.04066/0.5474, allocations: 25.96 MB / 1.433 GB, free: 2.18 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008351/0.5557, allocations: 3.733 MB / 1.436 GB, free: 14.42 MB / 1.139 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005891/0.5616, allocations: 2.53 MB / 1.439 GB, free: 11.87 MB / 1.139 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002306/0.5618, allocations: 53.92 kB / 1.439 GB, free: 11.82 MB / 1.139 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.358e-05/0.5619, allocations: 64.5 kB / 1.439 GB, free: 11.75 MB / 1.139 GB
Notification: Performance of pre-optimization done (n=208): time 3.837e-06/0.5619, allocations: 7.938 kB / 1.439 GB, free: 11.74 MB / 1.139 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 0.1062/0.6681, allocations: 30.74 MB / 1.469 GB, free: 13.01 MB / 1.17 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000169/0.6683, allocations: 243.6 kB / 1.469 GB, free: 12.72 MB / 1.17 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00227/0.6705, allocations: 1.427 MB / 1.47 GB, free: 11.29 MB / 1.17 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005356/0.6711, allocations: 73.7 kB / 1.47 GB, free: 11.21 MB / 1.17 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001183/0.6723, allocations: 1.534 MB / 1.472 GB, free: 9.656 MB / 1.17 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001193/0.6734, allocations: 0.9605 MB / 1.473 GB, free: 8.688 MB / 1.17 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001128/0.6746, allocations: 0.636 MB / 1.474 GB, free: 8.043 MB / 1.17 GB
Notification: Performance of setup shared object (initialization): time 0.0001217/0.6747, allocations: 301.1 kB / 1.474 GB, free: 7.746 MB / 1.17 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006136/0.6808, allocations: 2.698 MB / 1.476 GB, free: 5.039 MB / 1.17 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007344/0.6882, allocations: 3.571 MB / 1.48 GB, free: 1.094 MB / 1.17 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01419/0.7024, allocations: 6.406 MB / 1.486 GB, free: 10.29 MB / 1.186 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.461e-05/0.7024, allocations: 8 kB / 1.486 GB, free: 10.28 MB / 1.186 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 0.02993/0.7323, allocations: 10.81 MB / 1.497 GB, free: 15.4 MB / 1.201 GB
Notification: Performance of prepare postOptimizeDAE: time 4.915e-05/0.7324, allocations: 16 kB / 1.497 GB, free: 15.39 MB / 1.201 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.919e-05/0.7324, allocations: 24.56 kB / 1.497 GB, free: 15.36 MB / 1.201 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02102/0.7535, allocations: 5.536 MB / 1.502 GB, free: 9.812 MB / 1.201 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004498/0.758, allocations: 0.9984 MB / 1.503 GB, free: 8.812 MB / 1.201 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04657/0.8045, allocations: 27.9 MB / 1.53 GB, free: 12.53 MB / 1.232 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004619/0.8091, allocations: 0.5733 MB / 1.531 GB, free: 11.96 MB / 1.232 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005138/0.8097, allocations: 155.9 kB / 1.531 GB, free: 11.8 MB / 1.232 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008323/0.818, allocations: 3.98 MB / 1.535 GB, free: 7.816 MB / 1.232 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007272/0.8253, allocations: 3.536 MB / 1.538 GB, free: 3.898 MB / 1.232 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09149/0.9167, allocations: 24.47 MB / 1.562 GB, free: 10.95 MB / 1.264 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.983e-05/0.9168, allocations: 8 kB / 1.562 GB, free: 10.94 MB / 1.264 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 0.02784/0.9446, allocations: 10.18 MB / 1.572 GB, free: 0.6914 MB / 1.264 GB
Notification: Performance of prepare postOptimizeDAE: time 3.522e-05/0.9446, allocations: 16 kB / 1.572 GB, free: 0.6758 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.228e-05/0.9447, allocations: 24 kB / 1.572 GB, free: 0.6523 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01602/0.9607, allocations: 4.321 MB / 1.577 GB, free: 12.31 MB / 1.279 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004741/0.9655, allocations: 1.045 MB / 1.578 GB, free: 11.26 MB / 1.279 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7487/1.714, allocations: 26.71 MB / 1.604 GB, free: 255.5 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004803/1.719, allocations: 0.5573 MB / 1.604 GB, free: 255.5 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005358/1.719, allocations: 152 kB / 1.604 GB, free: 255.5 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 0.0009057/1.72, allocations: 394.4 kB / 1.605 GB, free: 255.3 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006469/1.721, allocations: 207.2 kB / 1.605 GB, free: 255.3 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 0.02937/1.75, allocations: 9.927 MB / 1.615 GB, free: 255.1 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.804e-05/1.75, allocations: 28.19 kB / 1.615 GB, free: 255.1 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.386e-05/1.751, allocations: 12.53 kB / 1.615 GB, free: 255.1 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.519e-05/1.751, allocations: 16.78 kB / 1.615 GB, free: 255.1 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 0.03694/1.788, allocations: 15.99 MB / 1.63 GB, free: 250.4 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.906e-05/1.788, allocations: 7.938 kB / 1.63 GB, free: 250.4 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003225/1.791, allocations: 0.737 MB / 1.631 GB, free: 250.3 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0179/1.809, allocations: 5.182 MB / 1.636 GB, free: 249.7 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006124/1.809, allocations: 74.73 kB / 1.636 GB, free: 249.7 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03145/1.841, allocations: 26.97 MB / 1.663 GB, free: 233.2 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.41e-06/1.841, allocations: 7.625 kB / 1.663 GB, free: 233.2 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 0.0214/1.862, allocations: 9.868 MB / 1.672 GB, free: 224.1 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001829/1.864, allocations: 0.6547 MB / 1.673 GB, free: 223.5 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000379/1.864, allocations: 55.98 kB / 1.673 GB, free: 223.4 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003075/1.867, allocations: 0.507 MB / 1.673 GB, free: 222.9 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006163/1.868, allocations: 238.2 kB / 1.674 GB, free: 222.7 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001875/1.868, allocations: 95.94 kB / 1.674 GB, free: 222.6 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001108/1.869, allocations: 0.9729 MB / 1.675 GB, free: 221.6 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1e-07/1.869, allocations: 0 / 1.675 GB, free: 221.6 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.004958/1.874, allocations: 1.844 MB / 1.676 GB, free: 219.7 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 : 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 0.02136/1.896, allocations: 10.53 MB / 1.687 GB, free: 209 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.0248/1.92, allocations: 12.04 MB / 1.698 GB, free: 196.9 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.462e-05/1.92, allocations: 0 / 1.698 GB, free: 196.9 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.008965/1.929, allocations: 4.268 MB / 1.703 GB, free: 192.6 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001995/1.931, allocations: 267.1 kB / 1.703 GB, free: 192.3 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 simCode: created linear, non-linear and system jacobian parts: time 0.0778/2.009, allocations: 41.35 MB / 1.743 GB, free: 149.8 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002359/2.012, allocations: 2.839 MB / 1.746 GB, free: 146.9 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.003788/2.015, allocations: 1.647 MB / 1.748 GB, free: 145.3 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001555/2.017, allocations: 1.216 MB / 1.749 GB, free: 144.1 MB / 1.295 GB
Notification: Performance of SimCode: time 1.623e-06/2.017, allocations: 0 / 1.749 GB, free: 144.1 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1381/2.155, allocations: 106.8 MB / 1.853 GB, free: 37.6 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 17.02/19.18, allocations: 10.47 kB / 1.853 GB, free: 37.59 MB / 1.295 GB
"
[Timeout remaining time 281]
(rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_12_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 25.78630447999967]
Failed to read output from testmodel.py, exit status != 0:
19.338402717999998 19.355189258 18.914413869
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f4075356f20>