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 0.001414/0.001414, allocations: 119.2 kB / 19.7 MB, free: 2.188 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 0.001621/0.001621, allocations: 222.4 kB / 23 MB, free: 5.004 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 1.518/1.518, allocations: 230.6 MB / 256.8 MB, free: 7.988 MB / 206.1 MB
"
[Timeout remaining time 178]
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 0.9988/0.9988, allocations: 150 MB / 463.1 MB, free: 10.5 MB / 366.1 MB
"
[Timeout remaining time 178]
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: IBPSA 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 0.002299/0.002299, allocations: 70.64 kB / 0.6418 GB, free: 9.824 MB / 478.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2162/0.2185, allocations: 89.18 MB / 0.7289 GB, free: 0.707 MB / 0.545 GB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02585/0.2444, allocations: 19.27 MB / 0.7477 GB, free: 13.37 MB / 0.5762 GB
Notification: Performance of NFInst.instExpressions: time 0.01298/0.2574, allocations: 7.077 MB / 0.7546 GB, free: 6.277 MB / 0.5762 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002037/0.2594, allocations: 71.69 kB / 0.7547 GB, free: 6.207 MB / 0.5762 GB
Notification: Performance of NFTyping.typeComponents: time 0.004188/0.2636, allocations: 1.517 MB / 0.7562 GB, free: 4.684 MB / 0.5762 GB
Notification: Performance of NFTyping.typeBindings: time 0.004056/0.2677, allocations: 1.455 MB / 0.7576 GB, free: 3.223 MB / 0.5762 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003639/0.2713, allocations: 1.309 MB / 0.7589 GB, free: 1.914 MB / 0.5762 GB
Notification: Performance of NFFlatten.flatten: time 0.3884/0.6596, allocations: 5.472 MB / 0.7642 GB, free: 11.46 MB / 0.5762 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007935/0.6676, allocations: 3.409 MB / 0.7676 GB, free: 11.12 MB / 0.5762 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.007475/0.6751, allocations: 2.408 MB / 0.7699 GB, free: 10.95 MB / 0.5762 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.01022/0.6853, allocations: 3.169 MB / 0.773 GB, free: 10.7 MB / 0.5762 GB
Notification: Performance of NFPackage.collectConstants: time 0.003525/0.6888, allocations: 0.5136 MB / 0.7735 GB, free: 10.7 MB / 0.5762 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.007659/0.6965, allocations: 1.29 MB / 0.7748 GB, free: 10.7 MB / 0.5762 GB
Notification: Performance of NFScalarize.scalarize: time 0.006804/0.7033, allocations: 2.306 MB / 0.777 GB, free: 10.51 MB / 0.5762 GB
Notification: Performance of NFVerifyModel.verify: time 0.009326/0.7126, allocations: 2.185 MB / 0.7792 GB, free: 9.992 MB / 0.5762 GB
Notification: Performance of NFConvertDAE.convert: time 0.017/0.7296, allocations: 7.803 MB / 0.7868 GB, free: 9.27 MB / 0.5762 GB
Notification: Performance of FrontEnd - DAE generated: time 5.68e-06/0.7296, allocations: 2.312 kB / 0.7868 GB, free: 9.27 MB / 0.5762 GB
Notification: Performance of FrontEnd: time 1.914e-06/0.7296, allocations: 0 / 0.7868 GB, free: 9.27 MB / 0.5762 GB
Notification: Performance of Transformations before backend: time 0.0003424/0.7299, allocations: 0 / 0.7868 GB, free: 9.27 MB / 0.5762 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 0.01965/0.7496, allocations: 3.842 MB / 0.7905 GB, free: 7.621 MB / 0.5762 GB
Notification: Performance of prepare preOptimizeDAE: time 4.912e-05/0.7496, allocations: 9.656 kB / 0.7905 GB, free: 7.621 MB / 0.5762 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01654/0.7662, allocations: 2.428 MB / 0.7929 GB, free: 6.957 MB / 0.5762 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008292/0.7745, allocations: 2.171 MB / 0.795 GB, free: 5.781 MB / 0.5762 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000375/0.7748, allocations: 270.2 kB / 0.7953 GB, free: 5.668 MB / 0.5762 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.003272/0.7781, allocations: 347.3 kB / 0.7956 GB, free: 5.566 MB / 0.5762 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02224/0.8004, allocations: 7.166 MB / 0.8026 GB, free: 1.527 MB / 0.5762 GB
Notification: Performance of preOpt findStateOrder (simulation): time 9.631e-05/0.8005, allocations: 10.84 kB / 0.8026 GB, free: 1.523 MB / 0.5762 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005899/0.801, allocations: 153.1 kB / 0.8028 GB, free: 1.418 MB / 0.5762 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004983/0.8015, allocations: 331.4 kB / 0.8031 GB, free: 1.324 MB / 0.5762 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01904/0.8206, allocations: 7.049 MB / 0.81 GB, free: 13.79 MB / 0.5919 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 0.05151/0.8721, allocations: 26.09 MB / 0.8355 GB, free: 4.508 MB / 0.6075 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009187/0.8813, allocations: 3.726 MB / 0.8391 GB, free: 0.7891 MB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00652/0.8878, allocations: 2.528 MB / 0.8416 GB, free: 14.26 MB / 0.6231 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002927/0.8881, allocations: 60.75 kB / 0.8416 GB, free: 14.21 MB / 0.6231 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.516e-05/0.8882, allocations: 60.12 kB / 0.8417 GB, free: 14.14 MB / 0.6231 GB
Notification: Performance of pre-optimization done (n=208): time 3.847e-06/0.8882, allocations: 0 / 0.8417 GB, free: 14.14 MB / 0.6231 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 0.1081/0.9962, allocations: 30.82 MB / 0.8718 GB, free: 15.55 MB / 0.6544 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001928/0.9964, allocations: 240.8 kB / 0.872 GB, free: 15.27 MB / 0.6544 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002766/0.9992, allocations: 1.469 MB / 0.8734 GB, free: 13.79 MB / 0.6544 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007548/0.9999, allocations: 73.7 kB / 0.8735 GB, free: 13.71 MB / 0.6544 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001212/1.001, allocations: 1.548 MB / 0.875 GB, free: 12.16 MB / 0.6544 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001266/1.002, allocations: 0.9688 MB / 0.876 GB, free: 11.21 MB / 0.6544 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001279/1.004, allocations: 0.6321 MB / 0.8766 GB, free: 10.57 MB / 0.6544 GB
Notification: Performance of setup shared object (initialization): time 0.0001338/1.004, allocations: 305.1 kB / 0.8769 GB, free: 10.27 MB / 0.6544 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006333/1.01, allocations: 2.682 MB / 0.8795 GB, free: 7.574 MB / 0.6544 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007789/1.018, allocations: 3.576 MB / 0.883 GB, free: 3.637 MB / 0.6544 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01501/1.033, allocations: 6.405 MB / 0.8892 GB, free: 12.94 MB / 0.67 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.373e-05/1.033, allocations: 8 kB / 0.8892 GB, free: 12.93 MB / 0.67 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 0.03072/1.064, allocations: 10.8 MB / 0.8998 GB, free: 2.301 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 5.171e-05/1.064, allocations: 16.78 kB / 0.8998 GB, free: 2.285 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.788e-05/1.064, allocations: 24 kB / 0.8998 GB, free: 2.262 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02091/1.085, allocations: 5.533 MB / 0.9052 GB, free: 12.71 MB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004867/1.09, allocations: 0.9889 MB / 0.9062 GB, free: 11.76 MB / 0.6856 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04971/1.139, allocations: 27.91 MB / 0.9335 GB, free: 15.58 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005585/1.145, allocations: 0.5849 MB / 0.934 GB, free: 14.99 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007793/1.146, allocations: 155.9 kB / 0.9342 GB, free: 14.84 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01022/1.156, allocations: 3.98 MB / 0.9381 GB, free: 10.85 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007803/1.164, allocations: 3.531 MB / 0.9415 GB, free: 6.957 MB / 0.7169 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09676/1.26, allocations: 24.47 MB / 0.9654 GB, free: 14.04 MB / 0.7481 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.425e-05/1.261, allocations: 8 kB / 0.9654 GB, free: 14.03 MB / 0.7481 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 0.03329/1.294, allocations: 10.17 MB / 0.9753 GB, free: 3.793 MB / 0.7481 GB
Notification: Performance of prepare postOptimizeDAE: time 6.417e-05/1.294, allocations: 20.06 kB / 0.9754 GB, free: 3.773 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.877e-05/1.294, allocations: 28 kB / 0.9754 GB, free: 3.746 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01732/1.311, allocations: 4.318 MB / 0.9796 GB, free: 15.41 MB / 0.7637 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005515/1.317, allocations: 1.049 MB / 0.9806 GB, free: 14.36 MB / 0.7637 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04645/1.363, allocations: 26.73 MB / 1.007 GB, free: 3.031 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005454/1.369, allocations: 0.5577 MB / 1.007 GB, free: 2.473 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009561/1.37, allocations: 152 kB / 1.007 GB, free: 2.324 MB / 0.7794 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 0.002244/1.372, allocations: 399.3 kB / 1.008 GB, free: 1.926 MB / 0.7794 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00121/1.373, allocations: 210.7 kB / 1.008 GB, free: 1.719 MB / 0.7794 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 0.02895/1.402, allocations: 9.926 MB / 1.018 GB, free: 7.754 MB / 0.795 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.104e-05/1.402, allocations: 28 kB / 1.018 GB, free: 7.727 MB / 0.795 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.563e-05/1.402, allocations: 23.92 kB / 1.018 GB, free: 7.703 MB / 0.795 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.102e-05/1.402, allocations: 15.89 kB / 1.018 GB, free: 7.688 MB / 0.795 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 0.04246/1.445, allocations: 16.01 MB / 1.033 GB, free: 7.543 MB / 0.8106 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.232e-05/1.445, allocations: 12 kB / 1.033 GB, free: 7.531 MB / 0.8106 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00374/1.448, allocations: 0.738 MB / 1.034 GB, free: 6.793 MB / 0.8106 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.02045/1.469, allocations: 5.169 MB / 1.039 GB, free: 1.605 MB / 0.8106 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007359/1.47, allocations: 75.95 kB / 1.039 GB, free: 1.531 MB / 0.8106 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04811/1.518, allocations: 26.95 MB / 1.066 GB, free: 6.176 MB / 0.8419 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.403e-05/1.518, allocations: 16.03 kB / 1.066 GB, free: 6.16 MB / 0.8419 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 0.02947/1.547, allocations: 9.874 MB / 1.075 GB, free: 12.07 MB / 0.8575 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.003129/1.55, allocations: 0.6584 MB / 1.076 GB, free: 11.41 MB / 0.8575 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00125/1.552, allocations: 60 kB / 1.076 GB, free: 11.35 MB / 0.8575 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0044/1.556, allocations: 0.507 MB / 1.076 GB, free: 10.84 MB / 0.8575 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00106/1.557, allocations: 239.2 kB / 1.077 GB, free: 10.61 MB / 0.8575 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004666/1.558, allocations: 95.89 kB / 1.077 GB, free: 10.52 MB / 0.8575 GB
Notification: Performance of sorting global known variables: time 0.00235/1.56, allocations: 1.001 MB / 1.078 GB, free: 9.516 MB / 0.8575 GB
Notification: Performance of sort global known variables: time 1.1e-07/1.56, allocations: 0 / 1.078 GB, free: 9.516 MB / 0.8575 GB
Notification: Performance of remove unused functions: time 0.009453/1.569, allocations: 1.855 MB / 1.08 GB, free: 7.66 MB / 0.8575 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 0.0007024/1.57, allocations: 182.8 kB / 1.08 GB, free: 7.473 MB / 0.8575 GB
Notification: Performance of simCode: created initialization part: time 0.4245/1.995, allocations: 12.01 MB / 1.091 GB, free: 296.1 MB / 0.8575 GB
Notification: Performance of simCode: created event and clocks part: time 1.142e-05/1.995, allocations: 3.438 kB / 1.091 GB, free: 296.1 MB / 0.8575 GB
Notification: Performance of simCode: created simulation system equations: time 0.01152/2.006, allocations: 4.274 MB / 1.096 GB, free: 295.6 MB / 0.8575 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00278/2.009, allocations: 285.1 kB / 1.096 GB, free: 295.6 MB / 0.8575 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02783/2.037, allocations: 9.671 MB / 1.105 GB, free: 293.5 MB / 0.8575 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003862/2.041, allocations: 2.849 MB / 1.108 GB, free: 292.7 MB / 0.8575 GB
Notification: Performance of simCode: alias equations: time 0.004478/2.045, allocations: 1.663 MB / 1.11 GB, free: 292.6 MB / 0.8575 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006904/2.046, allocations: 173.7 kB / 1.11 GB, free: 292.6 MB / 0.8575 GB
Notification: Performance of SimCode: time 8.82e-07/2.046, allocations: 0 / 1.11 GB, free: 292.6 MB / 0.8575 GB
Notification: Performance of Templates: time 0.1007/2.146, allocations: 83.18 MB / 1.191 GB, free: 228.9 MB / 0.8575 GB
"
[Timeout remaining time 658]
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=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 480]
[Calling os._exit(0), Time elapsed: 9.913221835158765]
Failed to read output from testmodel.py, exit status != 0:
2.1579358000308275 2.1663624329999998 1.4340586419999999
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fb560ef2f50>