Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001209/0.001209, allocations: 108.2 kB / 16.46 MB, free: 6.035 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00119/0.00119, allocations: 191.8 kB / 19.41 MB, free: 3.539 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.326/1.326, allocations: 225.6 MB / 247.8 MB, free: 13.93 MB / 206.1 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002392/0.002392, allocations: 295.4 kB / 303 MB, free: 9.496 MB / 238.1 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.14/1.14, allocations: 180.9 MB / 0.5261 GB, free: 14.7 MB / 382.1 MB
"
[Timeout remaining time 179]
Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo)
Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 0.002646/0.002646, allocations: 104 kB / 0.7249 GB, free: 40.18 MB / 0.545 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1455/0.1481, allocations: 94.15 MB / 0.8168 GB, free: 5.352 MB / 0.5606 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.0225/0.1706, allocations: 18.6 MB / 0.835 GB, free: 2.684 MB / 0.5762 GB
Notification: Performance of NFInst.instExpressions: time 0.01293/0.1836, allocations: 6.89 MB / 0.8417 GB, free: 11.77 MB / 0.5919 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001304/0.1849, allocations: 55.88 kB / 0.8418 GB, free: 11.72 MB / 0.5919 GB
Notification: Performance of NFTyping.typeComponents: time 0.004083/0.1889, allocations: 1.51 MB / 0.8432 GB, free: 10.21 MB / 0.5919 GB
Notification: Performance of NFTyping.typeBindings: time 0.003777/0.1927, allocations: 1.455 MB / 0.8447 GB, free: 8.746 MB / 0.5919 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00366/0.1964, allocations: 1.267 MB / 0.8459 GB, free: 7.477 MB / 0.5919 GB
Notification: Performance of NFFlatten.flatten: time 0.007244/0.2036, allocations: 5.464 MB / 0.8512 GB, free: 2 MB / 0.5919 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.008056/0.2117, allocations: 5.176 MB / 0.8563 GB, free: 12.71 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003951/0.2156, allocations: 2.384 MB / 0.8586 GB, free: 10.32 MB / 0.6075 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005182/0.2208, allocations: 3.167 MB / 0.8617 GB, free: 7.145 MB / 0.6075 GB
Notification: Performance of NFPackage.collectConstants: time 0.001446/0.2223, allocations: 0.5156 MB / 0.8622 GB, free: 6.629 MB / 0.6075 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003114/0.2254, allocations: 1.287 MB / 0.8635 GB, free: 5.34 MB / 0.6075 GB
Notification: Performance of NFScalarize.scalarize: time 0.003373/0.2287, allocations: 2.303 MB / 0.8657 GB, free: 3.031 MB / 0.6075 GB
Notification: Performance of NFVerifyModel.verify: time 0.004454/0.2332, allocations: 2.198 MB / 0.8679 GB, free: 0.8242 MB / 0.6075 GB
Notification: Performance of NFConvertDAE.convert: time 0.01044/0.2436, allocations: 7.8 MB / 0.8755 GB, free: 9 MB / 0.6231 GB
Notification: Performance of FrontEnd - DAE generated: time 4.979e-06/0.2436, allocations: 0 / 0.8755 GB, free: 9 MB / 0.6231 GB
Notification: Performance of FrontEnd: time 1.764e-06/0.2436, allocations: 0 / 0.8755 GB, free: 9 MB / 0.6231 GB
Notification: Performance of Transformations before backend: time 0.0002229/0.2439, allocations: 0 / 0.8755 GB, free: 9 MB / 0.6231 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 0.01054/0.2544, allocations: 3.907 MB / 0.8793 GB, free: 5.027 MB / 0.6231 GB
Notification: Performance of prepare preOptimizeDAE: time 4.968e-05/0.2545, allocations: 8.031 kB / 0.8793 GB, free: 5.02 MB / 0.6231 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001604/0.2561, allocations: 0.5503 MB / 0.8798 GB, free: 4.461 MB / 0.6231 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01283/0.2689, allocations: 2.436 MB / 0.8822 GB, free: 2.02 MB / 0.6231 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006346/0.2752, allocations: 2.183 MB / 0.8844 GB, free: 15.79 MB / 0.6387 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003133/0.2755, allocations: 279.2 kB / 0.8846 GB, free: 15.52 MB / 0.6387 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001443/0.277, allocations: 359.9 kB / 0.885 GB, free: 15.17 MB / 0.6387 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0182/0.2952, allocations: 7.155 MB / 0.8919 GB, free: 7.914 MB / 0.6387 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001295/0.2953, allocations: 3.938 kB / 0.892 GB, free: 7.91 MB / 0.6387 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001139/0.2965, allocations: 152 kB / 0.8921 GB, free: 7.762 MB / 0.6387 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005234/0.297, allocations: 334.1 kB / 0.8924 GB, free: 7.434 MB / 0.6387 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01705/0.314, allocations: 7.044 MB / 0.8993 GB, free: 384 kB / 0.6387 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 0.04157/0.3556, allocations: 26.6 MB / 0.9253 GB, free: 3.594 MB / 0.67 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009221/0.3648, allocations: 4.871 MB / 0.93 GB, free: 14.41 MB / 0.6856 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006211/0.371, allocations: 2.526 MB / 0.9325 GB, free: 11.87 MB / 0.6856 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003275/0.3714, allocations: 135 kB / 0.9326 GB, free: 11.72 MB / 0.6856 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.53e-05/0.3714, allocations: 72.42 kB / 0.9327 GB, free: 11.64 MB / 0.6856 GB
Notification: Performance of pre-optimization done (n=208): time 4.167e-06/0.3714, allocations: 0 / 0.9327 GB, free: 11.64 MB / 0.6856 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 0.101/0.4724, allocations: 31.11 MB / 0.9631 GB, free: 12.46 MB / 0.7169 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000153/0.4726, allocations: 239.6 kB / 0.9633 GB, free: 12.18 MB / 0.7169 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0022/0.4748, allocations: 1.473 MB / 0.9647 GB, free: 10.7 MB / 0.7169 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004385/0.4752, allocations: 73.64 kB / 0.9648 GB, free: 10.62 MB / 0.7169 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001076/0.4763, allocations: 1.55 MB / 0.9663 GB, free: 9.059 MB / 0.7169 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001021/0.4773, allocations: 0.9645 MB / 0.9673 GB, free: 8.086 MB / 0.7169 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001121/0.4784, allocations: 0.6398 MB / 0.9679 GB, free: 7.438 MB / 0.7169 GB
Notification: Performance of setup shared object (initialization): time 0.0001237/0.4786, allocations: 305.1 kB / 0.9682 GB, free: 7.137 MB / 0.7169 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005731/0.4843, allocations: 2.69 MB / 0.9708 GB, free: 4.438 MB / 0.7169 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006544/0.4908, allocations: 3.563 MB / 0.9743 GB, free: 0.4922 MB / 0.7169 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01245/0.5033, allocations: 6.406 MB / 0.9805 GB, free: 9.688 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.045e-05/0.5033, allocations: 4 kB / 0.9805 GB, free: 9.684 MB / 0.7325 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 0.0276/0.5309, allocations: 10.95 MB / 0.9912 GB, free: 14.63 MB / 0.7481 GB
Notification: Performance of prepare postOptimizeDAE: time 3.809e-05/0.5309, allocations: 16 kB / 0.9913 GB, free: 14.61 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.516e-05/0.531, allocations: 28 kB / 0.9913 GB, free: 14.59 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01957/0.5506, allocations: 5.54 MB / 0.9967 GB, free: 9.027 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004201/0.5548, allocations: 0.9906 MB / 0.9977 GB, free: 8.035 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3583/0.9131, allocations: 28.19 MB / 1.025 GB, free: 160.4 MB / 0.7481 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003914/0.917, allocations: 0.5727 MB / 1.026 GB, free: 160.3 MB / 0.7481 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003118/0.9173, allocations: 152.2 kB / 1.026 GB, free: 160.3 MB / 0.7481 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006119/0.9235, allocations: 3.979 MB / 1.03 GB, free: 159 MB / 0.7481 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004912/0.9284, allocations: 3.543 MB / 1.033 GB, free: 157.1 MB / 0.7481 GB
Error: Initialization problem is structural singular. Please, check the initial conditions.
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07416/1.003, allocations: 24.62 MB / 1.057 GB, free: 139.4 MB / 0.7481 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.121e-05/1.003, allocations: 8 kB / 1.057 GB, free: 139.3 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 0.02068/1.023, allocations: 10.48 MB / 1.068 GB, free: 128.8 MB / 0.7481 GB
Notification: Performance of prepare postOptimizeDAE: time 2.808e-05/1.023, allocations: 20 kB / 1.068 GB, free: 128.8 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.08e-05/1.023, allocations: 24.56 kB / 1.068 GB, free: 128.8 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01292/1.036, allocations: 4.319 MB / 1.072 GB, free: 124.5 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003921/1.04, allocations: 1.04 MB / 1.073 GB, free: 123.4 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02576/1.066, allocations: 27.15 MB / 1.099 GB, free: 95.71 MB / 0.7481 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003974/1.07, allocations: 0.563 MB / 1.1 GB, free: 95.14 MB / 0.7481 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003046/1.07, allocations: 155.9 kB / 1.1 GB, free: 94.99 MB / 0.7481 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 0.0007568/1.071, allocations: 391.1 kB / 1.1 GB, free: 94.62 MB / 0.7481 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004482/1.071, allocations: 218.7 kB / 1.101 GB, free: 94.41 MB / 0.7481 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 0.02116/1.093, allocations: 10.08 MB / 1.11 GB, free: 84.26 MB / 0.7481 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.514e-05/1.093, allocations: 28 kB / 1.11 GB, free: 84.23 MB / 0.7481 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.511e-05/1.093, allocations: 12 kB / 1.11 GB, free: 84.22 MB / 0.7481 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.665e-05/1.093, allocations: 19.94 kB / 1.11 GB, free: 84.2 MB / 0.7481 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 0.02867/1.121, allocations: 16.18 MB / 1.126 GB, free: 67.84 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.744e-05/1.121, allocations: 12 kB / 1.126 GB, free: 67.83 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002968/1.124, allocations: 0.7416 MB / 1.127 GB, free: 67.09 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01561/1.14, allocations: 5.169 MB / 1.132 GB, free: 61.9 MB / 0.7481 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004067/1.14, allocations: 71.95 kB / 1.132 GB, free: 61.83 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02975/1.17, allocations: 27.27 MB / 1.159 GB, free: 34.08 MB / 0.7481 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.553e-06/1.17, allocations: 12.03 kB / 1.159 GB, free: 34.07 MB / 0.7481 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 0.02074/1.191, allocations: 10.02 MB / 1.169 GB, free: 23.8 MB / 0.7481 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001912/1.193, allocations: 0.7357 MB / 1.169 GB, free: 23.05 MB / 0.7481 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004787/1.193, allocations: 59.98 kB / 1.169 GB, free: 22.99 MB / 0.7481 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003053/1.196, allocations: 0.507 MB / 1.17 GB, free: 22.48 MB / 0.7481 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000612/1.197, allocations: 228.3 kB / 1.17 GB, free: 22.26 MB / 0.7481 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001879/1.197, allocations: 91.95 kB / 1.17 GB, free: 22.17 MB / 0.7481 GB
Notification: Performance of sorting global known variables: time 0.001179/1.198, allocations: 1.005 MB / 1.171 GB, free: 21.16 MB / 0.7481 GB
Notification: Performance of sort global known variables: time 1e-07/1.198, allocations: 4 kB / 1.171 GB, free: 21.16 MB / 0.7481 GB
Notification: Performance of remove unused functions: time 0.004631/1.203, allocations: 1.853 MB / 1.173 GB, free: 19.3 MB / 0.7481 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 0.02047/1.223, allocations: 10.68 MB / 1.183 GB, free: 8.367 MB / 0.7481 GB
Notification: Performance of simCode: created initialization part: time 0.02467/1.248, allocations: 12.02 MB / 1.195 GB, free: 12.25 MB / 0.7637 GB
Notification: Performance of simCode: created event and clocks part: time 1.32e-05/1.248, allocations: 0 / 1.195 GB, free: 12.25 MB / 0.7637 GB
Notification: Performance of simCode: created simulation system equations: time 0.01046/1.258, allocations: 4.263 MB / 1.199 GB, free: 7.938 MB / 0.7637 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002138/1.261, allocations: 295 kB / 1.2 GB, free: 7.66 MB / 0.7637 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.
Warning: The linear system: 
1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2]
2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1]
3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2]
4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1]
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  line2.v1_p[1] ;
  line2.v2_p[1] ;
  line2.v2_n[1] ;
  line2.v1_n[1]
]
  =
[
  line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ;
  -transformer.conv1.V2[1] ;
  line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ;
  -loadRL.load1.v[1]
]
 might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09552/1.356, allocations: 42.33 MB / 1.241 GB, free: 12.04 MB / 0.8106 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003225/1.359, allocations: 2.849 MB / 1.244 GB, free: 9.152 MB / 0.8106 GB
Notification: Performance of simCode: alias equations: time 0.004409/1.364, allocations: 1.665 MB / 1.245 GB, free: 7.484 MB / 0.8106 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001828/1.366, allocations: 1.222 MB / 1.246 GB, free: 6.262 MB / 0.8106 GB
Notification: Performance of SimCode: time 8.52e-07/1.366, allocations: 0 / 1.246 GB, free: 6.262 MB / 0.8106 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.5104/1.876, allocations: 104.2 MB / 1.348 GB, free: 311 MB / 0.9044 GB
Notification: Performance of buildModelFMU: Generate platform static: time 15.44/17.31, allocations: 5.922 kB / 1.348 GB, free: 311 MB / 0.9044 GB
"
[Timeout remaining time 643]
(rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --tempDir=temp_BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 52.5]
[Calling os._exit(0), Time elapsed: 21.18264144472778]
Failed to read output from testmodel.py, exit status != 0:
17.445516780018806 17.459628634 17.213305449
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fc699a4e020>