Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001039/0.001039, allocations: 81.95 kB / 21.44 MB, free: 3.059 MB / 18.57 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 0.001262/0.001262, allocations: 166.5 kB / 24.84 MB, free: 9.293 MB / 18.57 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 0.9779/0.9779, allocations: 177.1 MB / 205.3 MB, free: 5.492 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.583/0.583, allocations: 115 MB / 376.8 MB, free: 7.5 MB / 346.7 MB
"
[Timeout remaining time 179]
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.653e-06/1.653e-06, allocations: 0.875 kB / 482.9 MB, free: 11.63 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.481e-05/1.646e-05, allocations: 2.312 kB / 482.9 MB, free: 11.63 MB / 410.7 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.009388/0.009404, allocations: 9.329 MB / 492.2 MB, free: 5.664 MB / 410.7 MB
Notification: Performance of NFInst.instExpressions: time 0.005038/0.01444, allocations: 3.797 MB / 496 MB, free: 3.09 MB / 410.7 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0006371/0.01508, allocations: 63.97 kB / 496.1 MB, free: 3.074 MB / 410.7 MB
Notification: Performance of NFTyping.typeComponents: time 0.000803/0.01588, allocations: 462.2 kB / 496.5 MB, free: 2.867 MB / 410.7 MB
Notification: Performance of NFTyping.typeBindings: time 0.001332/0.01721, allocations: 1.228 MB / 497.7 MB, free: 2.152 MB / 410.7 MB
Notification: Performance of NFTyping.typeClassSections: time 0.001289/0.0185, allocations: 0.955 MB / 498.7 MB, free: 1.648 MB / 410.7 MB
Notification: Performance of NFFlatten.flatten: time 0.004704/0.02321, allocations: 5.432 MB / 0.4923 GB, free: 15.3 MB / 426.7 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.004247/0.02745, allocations: 3.402 MB / 0.4956 GB, free: 13.52 MB / 426.7 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.004449/0.0319, allocations: 3.337 MB / 0.4989 GB, free: 10.72 MB / 426.7 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.003503/0.03541, allocations: 2.961 MB / 0.5018 GB, free: 8.449 MB / 426.7 MB
Notification: Performance of NFPackage.collectConstants: time 0.0005826/0.03599, allocations: 0.5078 MB / 0.5023 GB, free: 7.941 MB / 426.7 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.001142/0.03713, allocations: 0.7043 MB / 0.503 GB, free: 7.281 MB / 426.7 MB
Notification: Performance of NFScalarize.scalarize: time 0.001944/0.03908, allocations: 2.433 MB / 0.5053 GB, free: 4.969 MB / 426.7 MB
Notification: Performance of NFVerifyModel.verify: time 0.001795/0.04087, allocations: 1.552 MB / 0.5069 GB, free: 3.41 MB / 426.7 MB
Notification: Performance of NFConvertDAE.convert: time 0.003661/0.04453, allocations: 4.131 MB / 0.5109 GB, free: 15.27 MB / 442.7 MB
Notification: Performance of FrontEnd - DAE generated: time 4.498e-06/0.04454, allocations: 0 / 0.5109 GB, free: 15.27 MB / 442.7 MB
Notification: Performance of FrontEnd: time 1.423e-06/0.04454, allocations: 0 / 0.5109 GB, free: 15.27 MB / 442.7 MB
Notification: Performance of Transformations before backend: time 3.172e-05/0.04457, allocations: 0.7188 kB / 0.5109 GB, free: 15.27 MB / 442.7 MB
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 0.005307/0.04988, allocations: 3.947 MB / 0.5147 GB, free: 11.28 MB / 442.7 MB
Notification: Performance of prepare preOptimizeDAE: time 3.351e-05/0.04991, allocations: 8.031 kB / 0.5148 GB, free: 11.27 MB / 442.7 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006528/0.05644, allocations: 1.581 MB / 0.5163 GB, free: 9.695 MB / 442.7 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002127/0.05857, allocations: 1.606 MB / 0.5179 GB, free: 8.062 MB / 442.7 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001814/0.05875, allocations: 263.5 kB / 0.5181 GB, free: 7.805 MB / 442.7 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005484/0.0593, allocations: 353.6 kB / 0.5185 GB, free: 7.461 MB / 442.7 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.005394/0.06469, allocations: 3.333 MB / 0.5217 GB, free: 3.984 MB / 442.7 MB
Notification: Performance of preOpt findStateOrder (simulation): time 6.618e-05/0.06476, allocations: 7.875 kB / 0.5217 GB, free: 3.977 MB / 442.7 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003691/0.06512, allocations: 153.1 kB / 0.5219 GB, free: 3.828 MB / 442.7 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003423/0.06547, allocations: 314.2 kB / 0.5222 GB, free: 3.52 MB / 442.7 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002821/0.06829, allocations: 1.409 MB / 0.5235 GB, free: 2.113 MB / 442.7 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0171/0.08539, allocations: 16.04 MB / 0.5392 GB, free: 1.488 MB / 458.7 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.001843/0.08723, allocations: 1.845 MB / 0.541 GB, free: 15.6 MB / 474.7 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001258/0.08849, allocations: 0.9749 MB / 0.542 GB, free: 14.61 MB / 474.7 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001246/0.08861, allocations: 57.97 kB / 0.542 GB, free: 14.55 MB / 474.7 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.384e-05/0.08865, allocations: 63.89 kB / 0.5421 GB, free: 14.48 MB / 474.7 MB
Notification: Performance of pre-optimization done (n=208): time 3.437e-06/0.08865, allocations: 4 kB / 0.5421 GB, free: 14.48 MB / 474.7 MB
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 0.01787/0.1065, allocations: 8.095 MB / 0.55 GB, free: 6.445 MB / 474.7 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.869e-05/0.1066, allocations: 235.6 kB / 0.5502 GB, free: 6.168 MB / 474.7 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009973/0.1076, allocations: 1.233 MB / 0.5514 GB, free: 4.922 MB / 474.7 MB
Notification: Performance of collectPreVariables (initialization): time 0.0001574/0.1078, allocations: 69.7 kB / 0.5515 GB, free: 4.848 MB / 474.7 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0007421/0.1085, allocations: 1.646 MB / 0.5531 GB, free: 3.184 MB / 474.7 MB
Notification: Performance of collectInitialBindings (initialization): time 0.0006119/0.1091, allocations: 0.9877 MB / 0.5541 GB, free: 2.188 MB / 474.7 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007545/0.1099, allocations: 0.6546 MB / 0.5547 GB, free: 1.52 MB / 474.7 MB
Notification: Performance of setup shared object (initialization): time 9.97e-05/0.11, allocations: 476.8 kB / 0.5551 GB, free: 1.051 MB / 474.7 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008083/0.1108, allocations: 0.5827 MB / 0.5557 GB, free: 468 kB / 474.7 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001452/0.1122, allocations: 1.938 MB / 0.5576 GB, free: 13.98 MB / 490.7 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.002463/0.1147, allocations: 2.664 MB / 0.5602 GB, free: 10.79 MB / 490.7 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.239e-05/0.1147, allocations: 8 kB / 0.5602 GB, free: 10.78 MB / 490.7 MB
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 0.008575/0.1233, allocations: 4.546 MB / 0.5647 GB, free: 6.168 MB / 490.7 MB
Notification: Performance of prepare postOptimizeDAE: time 2.526e-05/0.1233, allocations: 16 kB / 0.5647 GB, free: 6.152 MB / 490.7 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.426e-05/0.1233, allocations: 24 kB / 0.5647 GB, free: 6.129 MB / 490.7 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.013/0.1363, allocations: 4.311 MB / 0.5689 GB, free: 1.801 MB / 490.7 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001615/0.1379, allocations: 0.6865 MB / 0.5696 GB, free: 1.113 MB / 490.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01573/0.1537, allocations: 14.57 MB / 0.5838 GB, free: 2.188 MB / 0.4948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001682/0.1553, allocations: 167.7 kB / 0.584 GB, free: 2.023 MB / 0.4948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001871/0.1555, allocations: 127.9 kB / 0.5841 GB, free: 1.898 MB / 0.4948 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001466/0.157, allocations: 0.7469 MB / 0.5848 GB, free: 1.145 MB / 0.4948 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001537/0.1585, allocations: 1.927 MB / 0.5867 GB, free: 14.68 MB / 0.5105 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003388/0.1619, allocations: 3.662 MB / 0.5903 GB, free: 10.45 MB / 0.5105 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.498e-05/0.1619, allocations: 8 kB / 0.5903 GB, free: 10.44 MB / 0.5105 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 0.00755/0.1695, allocations: 4.339 MB / 0.5945 GB, free: 6.023 MB / 0.5105 GB
Notification: Performance of prepare postOptimizeDAE: time 1.772e-05/0.1695, allocations: 20.09 kB / 0.5945 GB, free: 6.004 MB / 0.5105 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.546e-05/0.1695, allocations: 28 kB / 0.5946 GB, free: 5.977 MB / 0.5105 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008249/0.1778, allocations: 2.832 MB / 0.5973 GB, free: 3.129 MB / 0.5105 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001833/0.1796, allocations: 0.7216 MB / 0.598 GB, free: 2.406 MB / 0.5105 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01301/0.1926, allocations: 17.6 MB / 0.6152 GB, free: 232 kB / 0.5261 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001497/0.1941, allocations: 159.8 kB / 0.6154 GB, free: 72 kB / 0.5261 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001923/0.1943, allocations: 127.9 kB / 0.6155 GB, free: 15.95 MB / 0.5417 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 0.0006265/0.1949, allocations: 479.2 kB / 0.6159 GB, free: 15.47 MB / 0.5417 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004476/0.1954, allocations: 286.7 kB / 0.6162 GB, free: 15.19 MB / 0.5417 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 0.007843/0.2032, allocations: 4.137 MB / 0.6203 GB, free: 11.01 MB / 0.5417 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.744e-05/0.2032, allocations: 28 kB / 0.6203 GB, free: 10.98 MB / 0.5417 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.418e-05/0.2033, allocations: 12 kB / 0.6203 GB, free: 10.97 MB / 0.5417 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.844e-05/0.2033, allocations: 15.95 kB / 0.6203 GB, free: 10.96 MB / 0.5417 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 0.01191/0.2152, allocations: 7.749 MB / 0.6279 GB, free: 3.016 MB / 0.5417 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.456e-06/0.2152, allocations: 8 kB / 0.6279 GB, free: 3.008 MB / 0.5417 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001091/0.2163, allocations: 447.5 kB / 0.6283 GB, free: 2.57 MB / 0.5417 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01109/0.2274, allocations: 3.997 MB / 0.6322 GB, free: 14.56 MB / 0.5573 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001737/0.2275, allocations: 75.89 kB / 0.6323 GB, free: 14.48 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.2186/0.4462, allocations: 14.31 MB / 0.6463 GB, free: 135.2 MB / 0.5573 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.919e-06/0.4462, allocations: 11.69 kB / 0.6463 GB, free: 135.2 MB / 0.5573 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 0.008311/0.4545, allocations: 4.6 MB / 0.6508 GB, free: 134 MB / 0.5573 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0007078/0.4552, allocations: 0.524 MB / 0.6513 GB, free: 134 MB / 0.5573 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002333/0.4554, allocations: 54.81 kB / 0.6513 GB, free: 134 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001018/0.4565, allocations: 92.48 kB / 0.6514 GB, free: 134 MB / 0.5573 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004696/0.4569, allocations: 247.3 kB / 0.6517 GB, free: 134 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001271/0.4571, allocations: 75.84 kB / 0.6517 GB, free: 134 MB / 0.5573 GB
Notification: Performance of sorting global known variables: time 0.0004367/0.4575, allocations: 0.6048 MB / 0.6523 GB, free: 133.9 MB / 0.5573 GB
Notification: Performance of sort global known variables: time 1.8e-07/0.4575, allocations: 1.859 kB / 0.6523 GB, free: 133.9 MB / 0.5573 GB
Notification: Performance of remove unused functions: time 0.003556/0.461, allocations: 1.825 MB / 0.6541 GB, free: 133.9 MB / 0.5573 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)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0002583/0.4613, allocations: 181.2 kB / 0.6543 GB, free: 133.8 MB / 0.5573 GB
Notification: Performance of simCode: created initialization part: time 0.007041/0.4683, allocations: 6.133 MB / 0.6603 GB, free: 132.2 MB / 0.5573 GB
Notification: Performance of simCode: created event and clocks part: time 4.037e-06/0.4684, allocations: 0 / 0.6603 GB, free: 132.2 MB / 0.5573 GB
Notification: Performance of simCode: created simulation system equations: time 0.002852/0.4712, allocations: 2.374 MB / 0.6626 GB, free: 131.5 MB / 0.5573 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001055/0.4723, allocations: 291.9 kB / 0.6629 GB, free: 131.5 MB / 0.5573 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008782/0.481, allocations: 6.431 MB / 0.6691 GB, free: 129.2 MB / 0.5573 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001203/0.4822, allocations: 1.117 MB / 0.6702 GB, free: 129 MB / 0.5573 GB
Notification: Performance of simCode: alias equations: time 0.001519/0.4838, allocations: 0.5558 MB / 0.6708 GB, free: 128.9 MB / 0.5573 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007348/0.4845, allocations: 377.6 kB / 0.6711 GB, free: 128.9 MB / 0.5573 GB
Notification: Performance of SimCode: time 1.402e-06/0.4845, allocations: 0 / 0.6711 GB, free: 128.9 MB / 0.5573 GB
Notification: Performance of Templates: time 0.06762/0.5521, allocations: 82.62 MB / 0.7518 GB, free: 65.43 MB / 0.5573 GB
"
[Timeout remaining time 659]
make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile [Timeout 660]
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=240  -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 240]
[Calling os._exit(0), Time elapsed: 5.1792175699956715]