Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 7.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.323/2.323, allocations: 251.1 MB / 266.7 MB, free: 11.62 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001417/0.001417, allocations: 179.8 kB / 326.2 MB, free: 2.859 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.408/2.408, allocations: 205.4 MB / 0.5772 GB, free: 20.85 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009775/0.0009764, allocations: 92.23 kB / 0.6817 GB, free: 13.63 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004762/0.0004763, allocations: 11.75 kB / 0.7957 GB, free: 135.6 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2265/0.227, allocations: 106.3 MB / 0.8995 GB, free: 65.5 MB / 0.6042 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.015/1.242, allocations: 193.2 MB / 1.088 GB, free: 54.36 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004078/1.242, allocations: 122.8 kB / 1.088 GB, free: 54.36 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5105/1.753, allocations: 134.8 MB / 1.22 GB, free: 3.066 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 3.146e-06/1.753, allocations: 4 kB / 1.22 GB, free: 3.062 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 0.0002257/1.753, allocations: 74.27 kB / 1.22 GB, free: 2.992 MB / 0.7136 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 0.015/1.768, allocations: 3.102 MB / 1.223 GB, free: 15.84 MB / 0.7292 GB
Notification: Performance of prepare preOptimizeDAE: time 4.829e-05/1.768, allocations: 8.031 kB / 1.223 GB, free: 15.83 MB / 0.7292 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.023/1.791, allocations: 2.123 MB / 1.225 GB, free: 13.7 MB / 0.7292 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008126/1.799, allocations: 2.185 MB / 1.227 GB, free: 11.49 MB / 0.7292 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004593/1.8, allocations: 269.4 kB / 1.227 GB, free: 11.24 MB / 0.7292 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002272/1.802, allocations: 343.5 kB / 1.228 GB, free: 10.91 MB / 0.7292 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02828/1.831, allocations: 6.499 MB / 1.234 GB, free: 4.34 MB / 0.7292 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001708/1.831, allocations: 7.938 kB / 1.234 GB, free: 4.332 MB / 0.7292 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001665/1.832, allocations: 143.3 kB / 1.234 GB, free: 4.203 MB / 0.7292 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009465/1.833, allocations: 306 kB / 1.235 GB, free: 3.902 MB / 0.7292 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02932/1.863, allocations: 6.396 MB / 1.241 GB, free: 13.5 MB / 0.7449 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 0.06184/1.925, allocations: 26.69 MB / 1.267 GB, free: 0.7656 MB / 0.7605 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01612/1.941, allocations: 4.999 MB / 1.272 GB, free: 11.46 MB / 0.7761 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01104/1.952, allocations: 2.534 MB / 1.274 GB, free: 8.906 MB / 0.7761 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004444/1.952, allocations: 130.4 kB / 1.274 GB, free: 8.766 MB / 0.7761 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.38e-05/1.953, allocations: 68.55 kB / 1.274 GB, free: 8.691 MB / 0.7761 GB
Notification: Performance of pre-optimization done (n=208): time 5.18e-06/1.953, allocations: 0 / 1.274 GB, free: 8.691 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=277): time 0.216/2.169, allocations: 30.92 MB / 1.305 GB, free: 9.711 MB / 0.8074 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001618/2.169, allocations: 239.6 kB / 1.305 GB, free: 9.426 MB / 0.8074 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003901/2.173, allocations: 1.427 MB / 1.306 GB, free: 7.988 MB / 0.8074 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009028/2.174, allocations: 69.7 kB / 1.306 GB, free: 7.914 MB / 0.8074 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001823/2.176, allocations: 1.485 MB / 1.308 GB, free: 6.418 MB / 0.8074 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002068/2.178, allocations: 0.9385 MB / 1.309 GB, free: 5.488 MB / 0.8074 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006586/2.178, allocations: 67.94 kB / 1.309 GB, free: 5.422 MB / 0.8074 GB
Notification: Performance of setup shared object (initialization): time 0.000427/2.179, allocations: 444.7 kB / 1.309 GB, free: 4.98 MB / 0.8074 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0115/2.19, allocations: 2.617 MB / 1.312 GB, free: 2.359 MB / 0.8074 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01246/2.203, allocations: 3.525 MB / 1.315 GB, free: 14.45 MB / 0.823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01245/2.215, allocations: 3.072 MB / 1.318 GB, free: 11.36 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.354e-05/2.215, allocations: 8 kB / 1.318 GB, free: 11.35 MB / 0.823 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.04569/2.261, allocations: 9.558 MB / 1.328 GB, free: 1.73 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.000839/2.262, allocations: 0.8875 MB / 1.328 GB, free: 472 kB / 0.823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.486e-05/2.262, allocations: 31.98 kB / 1.328 GB, free: 440 kB / 0.823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05777/2.32, allocations: 7.543 MB / 1.336 GB, free: 8.871 MB / 0.8386 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007731/2.328, allocations: 0.8735 MB / 1.337 GB, free: 7.996 MB / 0.8386 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04599/2.374, allocations: 15.27 MB / 1.352 GB, free: 8.562 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007895/2.382, allocations: 0.5573 MB / 1.352 GB, free: 8.004 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001164/2.383, allocations: 191.9 kB / 1.352 GB, free: 7.816 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.493e-05/2.383, allocations: 4 kB / 1.352 GB, free: 7.812 MB / 0.8542 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.01362/2.397, allocations: 3.141 MB / 1.355 GB, free: 4.645 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated