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 0.002016/0.002016, allocations: 103.6 kB / 18.95 MB, free: 2.656 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 0.002245/0.002245, allocations: 217.6 kB / 22.25 MB, free: 5.266 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 1.472/1.472, allocations: 230.6 MB / 256 MB, free: 7.797 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 3.16/3.16, allocations: 0.49 GB / 0.7951 GB, free: 35.45 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 0.002068/0.002068, allocations: 65.77 kB / 1.154 GB, free: 25.45 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3111/0.3131, allocations: 176.1 MB / 1.326 GB, free: 1.461 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02487/0.338, allocations: 17.87 MB / 1.343 GB, free: 15.53 MB / 1.045 GB
Notification: Performance of NFInst.instExpressions: time 0.01386/0.3519, allocations: 6.715 MB / 1.35 GB, free: 8.801 MB / 1.045 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001644/0.3535, allocations: 67.69 kB / 1.35 GB, free: 8.734 MB / 1.045 GB
Notification: Performance of NFTyping.typeComponents: time 0.004365/0.3579, allocations: 1.476 MB / 1.351 GB, free: 7.254 MB / 1.045 GB
Notification: Performance of NFTyping.typeBindings: time 0.003922/0.3618, allocations: 1.443 MB / 1.353 GB, free: 5.805 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003396/0.3652, allocations: 1.262 MB / 1.354 GB, free: 4.543 MB / 1.045 GB
Notification: Performance of NFFlatten.flatten: time 0.006655/0.3718, allocations: 5.441 MB / 1.359 GB, free: 15.09 MB / 1.061 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.005915/0.3778, allocations: 3.381 MB / 1.363 GB, free: 11.61 MB / 1.061 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003722/0.3815, allocations: 2.419 MB / 1.365 GB, free: 9.18 MB / 1.061 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00501/0.3865, allocations: 3.151 MB / 1.368 GB, free: 6.02 MB / 1.061 GB
Notification: Performance of NFPackage.collectConstants: time 0.001224/0.3877, allocations: 0.5117 MB / 1.369 GB, free: 5.508 MB / 1.061 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002827/0.3905, allocations: 1.198 MB / 1.37 GB, free: 4.309 MB / 1.061 GB
Notification: Performance of NFScalarize.scalarize: time 0.002803/0.3933, allocations: 2.296 MB / 1.372 GB, free: 2.008 MB / 1.061 GB
Notification: Performance of NFVerifyModel.verify: time 0.002327/0.3957, allocations: 1.779 MB / 1.374 GB, free: 228 kB / 1.061 GB
Notification: Performance of NFConvertDAE.convert: time 0.008351/0.404, allocations: 7.78 MB / 1.381 GB, free: 8.418 MB / 1.076 GB
Notification: Performance of FrontEnd - DAE generated: time 6.152e-06/0.404, allocations: 0 / 1.381 GB, free: 8.418 MB / 1.076 GB
Notification: Performance of FrontEnd: time 1.963e-06/0.404, allocations: 0 / 1.381 GB, free: 8.418 MB / 1.076 GB
Notification: Performance of Transformations before backend: time 0.0002134/0.4042, allocations: 0 / 1.381 GB, free: 8.418 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 0.008863/0.4131, allocations: 3.789 MB / 1.385 GB, free: 4.582 MB / 1.076 GB
Notification: Performance of prepare preOptimizeDAE: time 4.864e-05/0.4132, allocations: 12.03 kB / 1.385 GB, free: 4.57 MB / 1.076 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0008746/0.414, allocations: 0.5384 MB / 1.386 GB, free: 4.023 MB / 1.076 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01359/0.4276, allocations: 2.425 MB / 1.388 GB, free: 1.594 MB / 1.076 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006334/0.434, allocations: 2.166 MB / 1.39 GB, free: 15.39 MB / 1.092 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002744/0.4342, allocations: 271.1 kB / 1.39 GB, free: 15.13 MB / 1.092 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001205/0.4354, allocations: 340 kB / 1.391 GB, free: 14.8 MB / 1.092 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01748/0.4529, allocations: 7.205 MB / 1.398 GB, free: 7.473 MB / 1.092 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.543e-05/0.453, allocations: 11.89 kB / 1.398 GB, free: 7.461 MB / 1.092 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000481/0.4535, allocations: 151.9 kB / 1.398 GB, free: 7.312 MB / 1.092 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005084/0.454, allocations: 334 kB / 1.398 GB, free: 6.984 MB / 1.092 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01664/0.4706, allocations: 7.016 MB / 1.405 GB, free: 15.95 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 0.03177/0.5024, allocations: 18.42 MB / 1.423 GB, free: 12.95 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008305/0.5107, allocations: 3.713 MB / 1.427 GB, free: 9.203 MB / 1.123 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006249/0.517, allocations: 2.537 MB / 1.429 GB, free: 6.648 MB / 1.123 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002504/0.5172, allocations: 45.97 kB / 1.429 GB, free: 6.602 MB / 1.123 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.247e-05/0.5173, allocations: 60.5 kB / 1.429 GB, free: 6.535 MB / 1.123 GB
Notification: Performance of pre-optimization done (n=208): time 5.3e-06/0.5173, allocations: 0 / 1.429 GB, free: 6.535 MB / 1.123 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 0.1055/0.6228, allocations: 30.75 MB / 1.459 GB, free: 7.801 MB / 1.154 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001709/0.6229, allocations: 239.6 kB / 1.46 GB, free: 7.516 MB / 1.154 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002457/0.6254, allocations: 1.482 MB / 1.461 GB, free: 6.023 MB / 1.154 GB
Notification: Performance of collectPreVariables (initialization): time 0.000534/0.6259, allocations: 73.7 kB / 1.461 GB, free: 5.945 MB / 1.154 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001255/0.6272, allocations: 1.534 MB / 1.463 GB, free: 4.395 MB / 1.154 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001134/0.6283, allocations: 0.9644 MB / 1.463 GB, free: 3.422 MB / 1.154 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.00119/0.6295, allocations: 0.632 MB / 1.464 GB, free: 2.781 MB / 1.154 GB
Notification: Performance of setup shared object (initialization): time 0.0001546/0.6297, allocations: 305.1 kB / 1.464 GB, free: 2.48 MB / 1.154 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00633/0.636, allocations: 2.694 MB / 1.467 GB, free: 15.78 MB / 1.17 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007142/0.6431, allocations: 3.647 MB / 1.471 GB, free: 11.73 MB / 1.17 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01381/0.6569, allocations: 6.41 MB / 1.477 GB, free: 4.926 MB / 1.17 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.746e-05/0.657, allocations: 8 kB / 1.477 GB, free: 4.918 MB / 1.17 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 0.02928/0.6863, allocations: 10.79 MB / 1.487 GB, free: 10.05 MB / 1.186 GB
Notification: Performance of prepare postOptimizeDAE: time 5.159e-05/0.6863, allocations: 16.56 kB / 1.487 GB, free: 10.04 MB / 1.186 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.086e-05/0.6864, allocations: 28 kB / 1.487 GB, free: 10.01 MB / 1.186 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02065/0.707, allocations: 5.54 MB / 1.493 GB, free: 4.457 MB / 1.186 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004711/0.7117, allocations: 0.9984 MB / 1.494 GB, free: 3.457 MB / 1.186 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04701/0.7587, allocations: 27.48 MB / 1.521 GB, free: 7.605 MB / 1.217 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004714/0.7634, allocations: 0.5771 MB / 1.521 GB, free: 7.027 MB / 1.217 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006541/0.7641, allocations: 151.9 kB / 1.521 GB, free: 6.879 MB / 1.217 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008879/0.773, allocations: 3.984 MB / 1.525 GB, free: 2.887 MB / 1.217 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007405/0.7804, allocations: 3.611 MB / 1.529 GB, free: 14.88 MB / 1.232 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09257/0.8729, allocations: 24.48 MB / 1.553 GB, free: 5.918 MB / 1.248 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.983e-05/0.873, allocations: 11.94 kB / 1.553 GB, free: 5.906 MB / 1.248 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 0.02823/0.9012, allocations: 10.17 MB / 1.563 GB, free: 11.66 MB / 1.264 GB
Notification: Performance of prepare postOptimizeDAE: time 5.225e-05/0.9013, allocations: 22.12 kB / 1.563 GB, free: 11.64 MB / 1.264 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.177e-05/0.9013, allocations: 28 kB / 1.563 GB, free: 11.62 MB / 1.264 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01574/0.9171, allocations: 4.321 MB / 1.567 GB, free: 7.273 MB / 1.264 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004894/0.922, allocations: 1.037 MB / 1.568 GB, free: 6.234 MB / 1.264 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03913/0.9611, allocations: 26.26 MB / 1.594 GB, free: 11.39 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004644/0.9657, allocations: 0.5576 MB / 1.594 GB, free: 10.83 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005968/0.9663, allocations: 155.9 kB / 1.594 GB, free: 10.68 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 0.001135/0.9675, allocations: 395.3 kB / 1.595 GB, free: 10.28 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007784/0.9682, allocations: 210.7 kB / 1.595 GB, free: 10.07 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 0.02945/0.9977, allocations: 9.915 MB / 1.605 GB, free: 120 kB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.615e-05/0.9977, allocations: 32 kB / 1.605 GB, free: 88 kB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.258e-05/0.9978, allocations: 12 kB / 1.605 GB, free: 76 kB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.749e-05/0.9978, allocations: 15.95 kB / 1.605 GB, free: 60 kB / 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 0.6732/1.671, allocations: 15.34 MB / 1.62 GB, free: 255.9 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.756e-05/1.671, allocations: 13.09 kB / 1.62 GB, free: 255.9 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00364/1.675, allocations: 0.7393 MB / 1.62 GB, free: 255.9 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01791/1.693, allocations: 5.171 MB / 1.625 GB, free: 255.3 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005249/1.693, allocations: 76.94 kB / 1.625 GB, free: 255.2 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03398/1.727, allocations: 26.55 MB / 1.651 GB, free: 241.7 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.135e-06/1.727, allocations: 19.19 kB / 1.651 GB, free: 241.7 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 0.02212/1.749, allocations: 9.858 MB / 1.661 GB, free: 236.8 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001993/1.751, allocations: 0.6591 MB / 1.662 GB, free: 236.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004656/1.752, allocations: 56.88 kB / 1.662 GB, free: 236.1 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003358/1.755, allocations: 0.5105 MB / 1.662 GB, free: 235.6 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000783/1.756, allocations: 238.2 kB / 1.662 GB, free: 235.4 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002135/1.756, allocations: 87.95 kB / 1.662 GB, free: 235.3 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001258/1.757, allocations: 0.9754 MB / 1.663 GB, free: 234.3 MB / 1.295 GB
Notification: Performance of sort global known variables: time 1e-07/1.757, allocations: 0 / 1.663 GB, free: 234.3 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005317/1.763, allocations: 1.853 MB / 1.665 GB, free: 232.5 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 0.02194/1.785, allocations: 10.52 MB / 1.676 GB, free: 221.8 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02477/1.809, allocations: 12.03 MB / 1.687 GB, free: 209.6 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 2.339e-05/1.809, allocations: 0 / 1.687 GB, free: 209.6 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.009307/1.819, allocations: 4.276 MB / 1.691 GB, free: 205.3 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0022/1.821, allocations: 268.6 kB / 1.692 GB, free: 205.1 MB / 1.295 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : 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 0.08304/1.904, allocations: 41.34 MB / 1.732 GB, free: 162.6 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002819/1.907, allocations: 2.274 MB / 1.734 GB, free: 160.2 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.00401/1.911, allocations: 1.651 MB / 1.736 GB, free: 158.6 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001463/1.912, allocations: 1.21 MB / 1.737 GB, free: 157.4 MB / 1.295 GB
Notification: Performance of SimCode: time 9.72e-07/1.912, allocations: 0 / 1.737 GB, free: 157.4 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1391/2.051, allocations: 104.7 MB / 1.839 GB, free: 53.23 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.61/17.66, allocations: 11.17 kB / 1.839 GB, free: 53.23 MB / 1.295 GB
"
[Timeout remaining time 282]
(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: 24.42637917699176]
Failed to read output from testmodel.py, exit status != 0:
17.82952603098238 17.85096646 17.442605846
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f1a20256f20>