Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001469/0.001469, 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 0.001433/0.001433, allocations: 219.7 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 1.467/1.467, allocations: 230.6 MB / 256.8 MB, free: 7.965 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 1.087/1.087, allocations: 150 MB / 463.2 MB, free: 10.47 MB / 366.1 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: "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [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 0.002058/0.002058, allocations: 62.59 kB / 0.6414 GB, free: 10.24 MB / 478.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1878/0.1899, allocations: 89.17 MB / 0.7284 GB, free: 1.133 MB / 0.545 GB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02511/0.215, allocations: 19.19 MB / 0.7472 GB, free: 13.88 MB / 0.5762 GB
Notification: Performance of NFInst.instExpressions: time 0.01305/0.2281, allocations: 7.038 MB / 0.7541 GB, free: 6.82 MB / 0.5762 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001746/0.2298, allocations: 63.75 kB / 0.7541 GB, free: 6.758 MB / 0.5762 GB
Notification: Performance of NFTyping.typeComponents: time 0.00441/0.2342, allocations: 1.54 MB / 0.7556 GB, free: 5.211 MB / 0.5762 GB
Notification: Performance of NFTyping.typeBindings: time 0.004212/0.2384, allocations: 1.443 MB / 0.757 GB, free: 3.762 MB / 0.5762 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003418/0.2419, allocations: 1.296 MB / 0.7583 GB, free: 2.465 MB / 0.5762 GB
Notification: Performance of NFFlatten.flatten: time 0.3443/0.5862, allocations: 5.434 MB / 0.7636 GB, free: 10.93 MB / 0.5762 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00463/0.5908, allocations: 3.378 MB / 0.7669 GB, free: 10.6 MB / 0.5762 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004256/0.5951, allocations: 2.399 MB / 0.7692 GB, free: 10.43 MB / 0.5762 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006234/0.6013, allocations: 3.157 MB / 0.7723 GB, free: 10.18 MB / 0.5762 GB
Notification: Performance of NFPackage.collectConstants: time 0.002204/0.6035, allocations: 0.5105 MB / 0.7728 GB, free: 10.18 MB / 0.5762 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00453/0.608, allocations: 1.28 MB / 0.7741 GB, free: 10.18 MB / 0.5762 GB
Notification: Performance of NFScalarize.scalarize: time 0.004837/0.6129, allocations: 2.292 MB / 0.7763 GB, free: 9.996 MB / 0.5762 GB
Notification: Performance of NFVerifyModel.verify: time 0.006566/0.6194, allocations: 2.166 MB / 0.7784 GB, free: 9.488 MB / 0.5762 GB
Notification: Performance of NFConvertDAE.convert: time 0.01117/0.6306, allocations: 7.749 MB / 0.786 GB, free: 8.773 MB / 0.5762 GB
Notification: Performance of FrontEnd - DAE generated: time 6.292e-06/0.6306, allocations: 1.094 kB / 0.786 GB, free: 8.773 MB / 0.5762 GB
Notification: Performance of FrontEnd: time 2.084e-06/0.6306, allocations: 1.406 kB / 0.786 GB, free: 8.773 MB / 0.5762 GB
Notification: Performance of Transformations before backend: time 0.0002217/0.6308, allocations: 0 / 0.786 GB, free: 8.773 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01384/0.6447, allocations: 3.801 MB / 0.7897 GB, free: 7.336 MB / 0.5762 GB
Notification: Performance of prepare preOptimizeDAE: time 5.09e-05/0.6447, allocations: 9.75 kB / 0.7897 GB, free: 7.336 MB / 0.5762 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002239/0.647, allocations: 0.5384 MB / 0.7903 GB, free: 7.148 MB / 0.5762 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01366/0.6606, allocations: 2.426 MB / 0.7926 GB, free: 6.609 MB / 0.5762 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006551/0.6672, allocations: 2.153 MB / 0.7947 GB, free: 5.441 MB / 0.5762 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002565/0.6674, allocations: 264.7 kB / 0.795 GB, free: 5.332 MB / 0.5762 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001654/0.6691, allocations: 346.5 kB / 0.7953 GB, free: 5.227 MB / 0.5762 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0172/0.6863, allocations: 7.132 MB / 0.8023 GB, free: 1.203 MB / 0.5762 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001135/0.6864, allocations: 6.562 kB / 0.8023 GB, free: 1.203 MB / 0.5762 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001324/0.6877, allocations: 144 kB / 0.8024 GB, free: 1.102 MB / 0.5762 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007199/0.6884, allocations: 332.5 kB / 0.8027 GB, free: 1.008 MB / 0.5762 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01931/0.7077, allocations: 7.03 MB / 0.8096 GB, free: 13.48 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 0.04533/0.7531, allocations: 25.98 MB / 0.835 GB, free: 4.77 MB / 0.6075 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008902/0.762, allocations: 3.729 MB / 0.8386 GB, free: 1.051 MB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006552/0.7685, allocations: 2.528 MB / 0.8411 GB, free: 14.51 MB / 0.6231 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000273/0.7688, allocations: 52.05 kB / 0.8411 GB, free: 14.47 MB / 0.6231 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.659e-05/0.7689, allocations: 63.75 kB / 0.8412 GB, free: 14.4 MB / 0.6231 GB
Notification: Performance of pre-optimization done (n=208): time 4.008e-06/0.7689, allocations: 4 kB / 0.8412 GB, free: 14.4 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 0.1066/0.8754, allocations: 30.75 MB / 0.8712 GB, free: 15.87 MB / 0.6544 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001596/0.8756, allocations: 243.6 kB / 0.8715 GB, free: 15.59 MB / 0.6544 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002465/0.8781, allocations: 1.427 MB / 0.8729 GB, free: 14.15 MB / 0.6544 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006896/0.8788, allocations: 73.64 kB / 0.8729 GB, free: 14.07 MB / 0.6544 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001379/0.8801, allocations: 1.533 MB / 0.8744 GB, free: 12.53 MB / 0.6544 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001434/0.8816, allocations: 0.967 MB / 0.8754 GB, free: 11.58 MB / 0.6544 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001318/0.8829, allocations: 0.6399 MB / 0.876 GB, free: 10.93 MB / 0.6544 GB
Notification: Performance of setup shared object (initialization): time 0.0001457/0.883, allocations: 301.1 kB / 0.8763 GB, free: 10.64 MB / 0.6544 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006765/0.8898, allocations: 2.694 MB / 0.8789 GB, free: 7.934 MB / 0.6544 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007798/0.8976, allocations: 3.568 MB / 0.8824 GB, free: 4 MB / 0.6544 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01477/0.9124, allocations: 6.408 MB / 0.8886 GB, free: 13.3 MB / 0.67 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.132e-05/0.9124, allocations: 9.781 kB / 0.8887 GB, free: 13.29 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 0.03187/0.9443, allocations: 10.8 MB / 0.8992 GB, free: 2.66 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 4.149e-05/0.9443, allocations: 16 kB / 0.8992 GB, free: 2.645 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.816e-05/0.9444, allocations: 24 kB / 0.8992 GB, free: 2.621 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02081/0.9652, allocations: 5.545 MB / 0.9047 GB, free: 13.06 MB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004927/0.9701, allocations: 0.9956 MB / 0.9056 GB, free: 12.11 MB / 0.6856 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05017/1.02, allocations: 27.89 MB / 0.9329 GB, free: 15.93 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005222/1.025, allocations: 0.5656 MB / 0.9334 GB, free: 15.36 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006635/1.026, allocations: 155.9 kB / 0.9336 GB, free: 15.21 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009375/1.036, allocations: 3.988 MB / 0.9375 GB, free: 11.21 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007189/1.043, allocations: 3.541 MB / 0.9409 GB, free: 7.309 MB / 0.7169 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0929/1.136, allocations: 24.48 MB / 0.9648 GB, free: 14.44 MB / 0.7481 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.578e-05/1.136, allocations: 4 kB / 0.9648 GB, free: 14.43 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 0.02879/1.164, allocations: 10.17 MB / 0.9748 GB, free: 4.184 MB / 0.7481 GB
Notification: Performance of prepare postOptimizeDAE: time 4.57e-05/1.164, allocations: 16 kB / 0.9748 GB, free: 4.168 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.088e-05/1.165, allocations: 28.06 kB / 0.9748 GB, free: 4.141 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01576/1.18, allocations: 4.328 MB / 0.979 GB, free: 15.8 MB / 0.7637 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005184/1.185, allocations: 1.049 MB / 0.9801 GB, free: 14.75 MB / 0.7637 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0423/1.228, allocations: 26.71 MB / 1.006 GB, free: 3.449 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005096/1.233, allocations: 0.5577 MB / 1.007 GB, free: 2.891 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006172/1.233, allocations: 147.9 kB / 1.007 GB, free: 2.746 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 0.001014/1.235, allocations: 403 kB / 1.007 GB, free: 2.348 MB / 0.7794 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007217/1.235, allocations: 202.7 kB / 1.007 GB, free: 2.148 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 0.02859/1.264, allocations: 9.936 MB / 1.017 GB, free: 8.176 MB / 0.795 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.339e-05/1.264, allocations: 28 kB / 1.017 GB, free: 8.148 MB / 0.795 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.768e-05/1.264, allocations: 12 kB / 1.017 GB, free: 8.137 MB / 0.795 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.271e-05/1.264, allocations: 11.95 kB / 1.017 GB, free: 8.125 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 0.0411/1.305, allocations: 16 MB / 1.033 GB, free: 7.984 MB / 0.8106 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.911e-05/1.305, allocations: 11.94 kB / 1.033 GB, free: 7.973 MB / 0.8106 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003713/1.309, allocations: 0.7411 MB / 1.034 GB, free: 7.23 MB / 0.8106 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0194/1.328, allocations: 5.169 MB / 1.039 GB, free: 2.043 MB / 0.8106 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009481/1.329, allocations: 75.95 kB / 1.039 GB, free: 1.969 MB / 0.8106 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04736/1.377, allocations: 26.97 MB / 1.065 GB, free: 6.609 MB / 0.8419 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.769e-05/1.377, allocations: 12.03 kB / 1.065 GB, free: 6.598 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 0.05057/1.427, allocations: 9.862 MB / 1.075 GB, free: 12.52 MB / 0.8575 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.003883/1.431, allocations: 0.6507 MB / 1.075 GB, free: 11.86 MB / 0.8575 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001046/1.432, allocations: 59.98 kB / 1.075 GB, free: 11.8 MB / 0.8575 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007122/1.439, allocations: 0.5108 MB / 1.076 GB, free: 11.29 MB / 0.8575 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001374/1.441, allocations: 238.2 kB / 1.076 GB, free: 11.06 MB / 0.8575 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004715/1.441, allocations: 95.94 kB / 1.076 GB, free: 10.97 MB / 0.8575 GB
Notification: Performance of sorting global known variables: time 0.003224/1.444, allocations: 0.9762 MB / 1.077 GB, free: 9.988 MB / 0.8575 GB
Notification: Performance of sort global known variables: time 3.31e-07/1.444, allocations: 0 / 1.077 GB, free: 9.988 MB / 0.8575 GB
Notification: Performance of remove unused functions: time 0.01441/1.459, allocations: 1.84 MB / 1.079 GB, free: 8.148 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)}
Warning: The linear system: 
1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1] ;
  line2.v1_n[1]
]
  =
[
  -transformer.conv1.V2[1] ;
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of Backend phase and start with SimCode phase: time 0.4048/1.863, allocations: 10.52 MB / 1.089 GB, free: 289.7 MB / 0.8575 GB
Notification: Performance of simCode: created initialization part: time 0.03096/1.894, allocations: 12.02 MB / 1.101 GB, free: 288.6 MB / 0.8575 GB
Notification: Performance of simCode: created event and clocks part: time 1.162e-05/1.894, allocations: 0.7812 kB / 1.101 GB, free: 288.6 MB / 0.8575 GB
Notification: Performance of simCode: created simulation system equations: time 0.01114/1.906, allocations: 4.277 MB / 1.105 GB, free: 288.1 MB / 0.8575 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002564/1.908, allocations: 268.9 kB / 1.105 GB, free: 288.1 MB / 0.8575 GB
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_n[1] ;
  line2.v2_n[1] ;
  line2.v2_p[1] ;
  line2.v1_p[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -loadRL.load1.v[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -transformer.conv1.V2[1]
]
 might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09522/2.003, allocations: 41.34 MB / 1.146 GB, free: 273.3 MB / 0.8575 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003672/2.007, allocations: 2.833 MB / 1.148 GB, free: 271.5 MB / 0.8575 GB
Notification: Performance of simCode: alias equations: time 0.00401/2.011, allocations: 1.662 MB / 1.15 GB, free: 270.2 MB / 0.8575 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001561/2.013, allocations: 1.208 MB / 1.151 GB, free: 269 MB / 0.8575 GB
Notification: Performance of SimCode: time 1.313e-06/2.013, allocations: 0 / 1.151 GB, free: 269 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.163/2.176, allocations: 106.8 MB / 1.256 GB, free: 162.6 MB / 0.8575 GB
Notification: Performance of buildModelFMU: Generate platform static: time 18.21/20.38, allocations: 7.969 kB / 1.256 GB, free: 162.6 MB / 0.8575 GB
"
[Timeout remaining time 639]
(rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate  --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 24.43528703800257]
Failed to read output from testmodel.py, exit status != 0:
20.545663164997677 20.555921147 19.922667916
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f23cb12af20>