Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_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 0.001843/0.001843, allocations: 108.2 kB / 16.45 MB, free: 6.5 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.002191/0.002191, allocations: 210.4 kB / 19.43 MB, free: 3.656 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.489/1.489, allocations: 230.6 MB / 252.8 MB, free: 8.961 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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 3.113/3.113, allocations: 0.49 GB / 0.7916 GB, free: 33.25 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.UnbalancedStepUp.YD,fileNamePrefix="Buildings_12_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_12_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 0.001938/0.001938, allocations: 69.41 kB / 1.149 GB, free: 26.35 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3204/0.3224, allocations: 176.1 MB / 1.321 GB, free: 3.273 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02434/0.3467, allocations: 18.63 MB / 1.339 GB, free: 0.582 MB / 1.029 GB
Notification: Performance of NFInst.instExpressions: time 0.01238/0.3591, allocations: 6.971 MB / 1.346 GB, free: 9.594 MB / 1.045 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001932/0.361, allocations: 63.75 kB / 1.346 GB, free: 9.531 MB / 1.045 GB
Notification: Performance of NFTyping.typeComponents: time 0.004421/0.3655, allocations: 1.493 MB / 1.347 GB, free: 8.035 MB / 1.045 GB
Notification: Performance of NFTyping.typeBindings: time 0.004187/0.3696, allocations: 1.471 MB / 1.349 GB, free: 6.559 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00353/0.3732, allocations: 1.268 MB / 1.35 GB, free: 5.289 MB / 1.045 GB
Notification: Performance of NFFlatten.flatten: time 0.007027/0.3802, allocations: 5.472 MB / 1.355 GB, free: 15.8 MB / 1.061 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.006997/0.3872, allocations: 5.187 MB / 1.36 GB, free: 10.5 MB / 1.061 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004108/0.3913, allocations: 2.415 MB / 1.363 GB, free: 8.082 MB / 1.061 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004981/0.3963, allocations: 3.179 MB / 1.366 GB, free: 4.895 MB / 1.061 GB
Notification: Performance of NFPackage.collectConstants: time 0.00104/0.3973, allocations: 0.5156 MB / 1.366 GB, free: 4.379 MB / 1.061 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00262/0.3999, allocations: 1.291 MB / 1.368 GB, free: 3.086 MB / 1.061 GB
Notification: Performance of NFScalarize.scalarize: time 0.002683/0.4026, allocations: 2.307 MB / 1.37 GB, free: 0.7734 MB / 1.061 GB
Notification: Performance of NFVerifyModel.verify: time 0.00312/0.4057, allocations: 2.183 MB / 1.372 GB, free: 14.58 MB / 1.076 GB
Notification: Performance of NFConvertDAE.convert: time 0.009947/0.4157, allocations: 7.808 MB / 1.38 GB, free: 6.75 MB / 1.076 GB
Notification: Performance of FrontEnd - DAE generated: time 5.621e-06/0.4157, allocations: 0 / 1.38 GB, free: 6.75 MB / 1.076 GB
Notification: Performance of FrontEnd: time 1.503e-06/0.4157, allocations: 0 / 1.38 GB, free: 6.75 MB / 1.076 GB
Notification: Performance of Transformations before backend: time 0.0001956/0.4159, allocations: 0 / 1.38 GB, free: 6.75 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.00903/0.4249, allocations: 3.907 MB / 1.384 GB, free: 2.777 MB / 1.076 GB
Notification: Performance of prepare preOptimizeDAE: time 4.573e-05/0.425, allocations: 15.98 kB / 1.384 GB, free: 2.762 MB / 1.076 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009088/0.4259, allocations: 0.5465 MB / 1.384 GB, free: 2.207 MB / 1.076 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01328/0.4392, allocations: 2.433 MB / 1.386 GB, free: 15.77 MB / 1.092 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006041/0.4452, allocations: 2.195 MB / 1.389 GB, free: 13.53 MB / 1.092 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002938/0.4455, allocations: 275.2 kB / 1.389 GB, free: 13.26 MB / 1.092 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001423/0.4469, allocations: 348 kB / 1.389 GB, free: 12.92 MB / 1.092 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01728/0.4642, allocations: 7.155 MB / 1.396 GB, free: 5.664 MB / 1.092 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.719e-05/0.4643, allocations: 11.88 kB / 1.396 GB, free: 5.652 MB / 1.092 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007382/0.465, allocations: 148 kB / 1.396 GB, free: 5.508 MB / 1.092 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005195/0.4656, allocations: 338.1 kB / 1.397 GB, free: 5.176 MB / 1.092 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01706/0.4826, allocations: 7.04 MB / 1.404 GB, free: 14.12 MB / 1.107 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03955/0.5222, allocations: 26.55 MB / 1.429 GB, free: 1.402 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009386/0.5316, allocations: 4.859 MB / 1.434 GB, free: 12.24 MB / 1.139 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006505/0.5381, allocations: 2.534 MB / 1.437 GB, free: 9.688 MB / 1.139 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003128/0.5384, allocations: 131 kB / 1.437 GB, free: 9.539 MB / 1.139 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.846e-05/0.5384, allocations: 64.48 kB / 1.437 GB, free: 9.469 MB / 1.139 GB
Notification: Performance of pre-optimization done (n=208): time 3.597e-06/0.5384, allocations: 0 / 1.437 GB, free: 9.469 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.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 0.1135/0.6519, allocations: 31.1 MB / 1.467 GB, free: 10.3 MB / 1.17 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001774/0.6521, allocations: 239.6 kB / 1.467 GB, free: 10.02 MB / 1.17 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002942/0.655, allocations: 1.477 MB / 1.469 GB, free: 8.535 MB / 1.17 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005305/0.6555, allocations: 69.7 kB / 1.469 GB, free: 8.461 MB / 1.17 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001758/0.6573, allocations: 1.546 MB / 1.47 GB, free: 6.898 MB / 1.17 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001457/0.6588, allocations: 0.9644 MB / 1.471 GB, free: 5.926 MB / 1.17 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001814/0.6606, allocations: 0.6359 MB / 1.472 GB, free: 5.281 MB / 1.17 GB
Notification: Performance of setup shared object (initialization): time 0.000146/0.6607, allocations: 309.1 kB / 1.472 GB, free: 4.977 MB / 1.17 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.007215/0.6679, allocations: 2.694 MB / 1.475 GB, free: 2.273 MB / 1.17 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008426/0.6764, allocations: 3.567 MB / 1.478 GB, free: 14.33 MB / 1.186 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01559/0.692, allocations: 6.402 MB / 1.485 GB, free: 7.527 MB / 1.186 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.596e-05/0.692, allocations: 8 kB / 1.485 GB, free: 7.52 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.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 0.03332/0.7253, allocations: 10.91 MB / 1.495 GB, free: 12.51 MB / 1.201 GB
Notification: Performance of prepare postOptimizeDAE: time 4.707e-05/0.7254, allocations: 19.94 kB / 1.495 GB, free: 12.49 MB / 1.201 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.555e-05/0.7254, allocations: 28 kB / 1.495 GB, free: 12.46 MB / 1.201 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02204/0.7474, allocations: 5.559 MB / 1.501 GB, free: 6.883 MB / 1.201 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004636/0.7521, allocations: 0.9984 MB / 1.502 GB, free: 5.883 MB / 1.201 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05242/0.8045, allocations: 28.22 MB / 1.529 GB, free: 9.211 MB / 1.232 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004889/0.8094, allocations: 0.5733 MB / 1.53 GB, free: 8.637 MB / 1.232 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008343/0.8102, allocations: 151.9 kB / 1.53 GB, free: 8.488 MB / 1.232 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01036/0.8206, allocations: 3.986 MB / 1.534 GB, free: 4.496 MB / 1.232 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008004/0.8286, allocations: 3.528 MB / 1.537 GB, free: 0.5859 MB / 1.232 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09393/0.9225, allocations: 24.62 MB / 1.561 GB, free: 7.457 MB / 1.264 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.759e-05/0.9225, allocations: 8 kB / 1.561 GB, free: 7.449 MB / 1.264 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 0.02857/0.9511, allocations: 10.47 MB / 1.572 GB, free: 12.84 MB / 1.279 GB
Notification: Performance of prepare postOptimizeDAE: time 4.1e-05/0.9512, allocations: 19.94 kB / 1.572 GB, free: 12.82 MB / 1.279 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.977e-05/0.9512, allocations: 24 kB / 1.572 GB, free: 12.79 MB / 1.279 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01917/0.9704, allocations: 4.329 MB / 1.576 GB, free: 8.441 MB / 1.279 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006737/0.9771, allocations: 1.045 MB / 1.577 GB, free: 7.395 MB / 1.279 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7138/1.691, allocations: 27.15 MB / 1.604 GB, free: 255.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00455/1.695, allocations: 0.5542 MB / 1.604 GB, free: 255.2 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004728/1.696, allocations: 156.8 kB / 1.604 GB, free: 255.2 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 0.0008566/1.697, allocations: 389.7 kB / 1.605 GB, free: 255 MB / 1.295 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000597/1.697, allocations: 219.2 kB / 1.605 GB, free: 255 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 0.02826/1.726, allocations: 10.08 MB / 1.615 GB, free: 253.8 MB / 1.295 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.206e-05/1.726, allocations: 28.27 kB / 1.615 GB, free: 253.8 MB / 1.295 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.567e-05/1.726, allocations: 11.59 kB / 1.615 GB, free: 253.8 MB / 1.295 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.76e-05/1.726, allocations: 15.31 kB / 1.615 GB, free: 253.8 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 0.03466/1.76, allocations: 16.22 MB / 1.631 GB, free: 248.1 MB / 1.295 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.293e-05/1.76, allocations: 6.875 kB / 1.631 GB, free: 248.1 MB / 1.295 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003406/1.764, allocations: 0.7337 MB / 1.631 GB, free: 248.1 MB / 1.295 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01736/1.781, allocations: 5.178 MB / 1.636 GB, free: 247.5 MB / 1.295 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006101/1.782, allocations: 74.23 kB / 1.636 GB, free: 247.5 MB / 1.295 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03236/1.814, allocations: 27.24 MB / 1.663 GB, free: 229.3 MB / 1.295 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.604e-06/1.814, allocations: 16.03 kB / 1.663 GB, free: 229.2 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 0.02243/1.837, allocations: 10.06 MB / 1.673 GB, free: 219 MB / 1.295 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001585/1.838, allocations: 0.7279 MB / 1.674 GB, free: 218.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004322/1.839, allocations: 59.95 kB / 1.674 GB, free: 218.2 MB / 1.295 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003468/1.842, allocations: 0.5109 MB / 1.674 GB, free: 217.6 MB / 1.295 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007626/1.843, allocations: 226.3 kB / 1.674 GB, free: 217.4 MB / 1.295 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002125/1.843, allocations: 91.95 kB / 1.674 GB, free: 217.3 MB / 1.295 GB
Notification: Performance of sorting global known variables: time 0.001247/1.844, allocations: 1.005 MB / 1.675 GB, free: 216.3 MB / 1.295 GB
Notification: Performance of sort global known variables: time 7e-08/1.844, allocations: 0 / 1.675 GB, free: 216.3 MB / 1.295 GB
Notification: Performance of remove unused functions: time 0.005676/1.85, allocations: 1.85 MB / 1.677 GB, free: 214.5 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 : 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 0.02223/1.872, allocations: 10.73 MB / 1.688 GB, free: 203.5 MB / 1.295 GB
Notification: Performance of simCode: created initialization part: time 0.02571/1.898, allocations: 12.03 MB / 1.699 GB, free: 191.4 MB / 1.295 GB
Notification: Performance of simCode: created event and clocks part: time 1.518e-05/1.898, allocations: 0 / 1.699 GB, free: 191.4 MB / 1.295 GB
Notification: Performance of simCode: created simulation system equations: time 0.00954/1.908, allocations: 4.24 MB / 1.704 GB, free: 187.1 MB / 1.295 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002617/1.91, allocations: 297.3 kB / 1.704 GB, free: 186.8 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 0.08761/1.998, allocations: 42.28 MB / 1.745 GB, free: 143.3 MB / 1.295 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0027/2, allocations: 2.849 MB / 1.748 GB, free: 140.4 MB / 1.295 GB
Notification: Performance of simCode: alias equations: time 0.00383/2.004, allocations: 1.657 MB / 1.749 GB, free: 138.7 MB / 1.295 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001495/2.006, allocations: 1.229 MB / 1.751 GB, free: 137.5 MB / 1.295 GB
Notification: Performance of SimCode: time 1.814e-06/2.006, allocations: 0 / 1.751 GB, free: 137.5 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1432/2.149, allocations: 104.2 MB / 1.852 GB, free: 33.71 MB / 1.295 GB
Notification: Performance of buildModelFMU: Generate platform static: time 16.3/18.45, allocations: 15.72 kB / 1.853 GB, free: 33.7 MB / 1.295 GB
"
[Timeout remaining time 281]
(rm -f Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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_UnbalancedStepUp_YD.fmu > Buildings_12_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 25.03016883204691]
Failed to read output from testmodel.py, exit status != 0:
18.583125555189326 18.592383712 18.174300838
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f945793ece0>