Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json
Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 7.0.1 (/var/lib/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")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.395/2.395, allocations: 252.6 MB / 265.2 MB, free: 5.602 MB / 202.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001435/0.001435, allocations: 183.5 kB / 324.5 MB, free: 14.34 MB / 266.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.023/2.023, allocations: 205.4 MB / 0.5753 GB, free: 10.45 MB / 426.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001497/0.001497, allocations: 90.64 kB / 0.6797 GB, free: 15.68 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 3.642e-05/3.645e-05, allocations: 4 kB / 0.7912 GB, free: 96.55 MB / 0.5417 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2179/0.218, allocations: 106.2 MB / 0.8949 GB, free: 6.219 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9566/1.175, allocations: 193.1 MB / 1.083 GB, free: 7.902 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004263/1.175, allocations: 114.5 kB / 1.084 GB, free: 7.84 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5468/1.722, allocations: 134.3 MB / 1.215 GB, free: 6.25 MB / 0.823 GB
Notification: Performance of FrontEnd: time 2.605e-06/1.722, allocations: 3.938 kB / 1.215 GB, free: 6.246 MB / 0.823 GB
Notification: Performance of Transformations before backend: time 0.0002231/1.722, allocations: 75.98 kB / 1.215 GB, free: 6.172 MB / 0.823 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 0.01339/1.736, allocations: 2.933 MB / 1.218 GB, free: 3.184 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.648e-05/1.736, allocations: 8.031 kB / 1.218 GB, free: 3.176 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02274/1.758, allocations: 2.126 MB / 1.22 GB, free: 1.043 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008586/1.767, allocations: 2.17 MB / 1.222 GB, free: 14.82 MB / 0.8386 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004429/1.768, allocations: 267 kB / 1.222 GB, free: 14.57 MB / 0.8386 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002238/1.77, allocations: 348 kB / 1.222 GB, free: 14.23 MB / 0.8386 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02217/1.792, allocations: 5.941 MB / 1.228 GB, free: 8.184 MB / 0.8386 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001473/1.792, allocations: 7.938 kB / 1.228 GB, free: 8.176 MB / 0.8386 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001053/1.793, allocations: 147.9 kB / 1.228 GB, free: 8.031 MB / 0.8386 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009164/1.794, allocations: 298 kB / 1.229 GB, free: 7.738 MB / 0.8386 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01915/1.813, allocations: 5.391 MB / 1.234 GB, free: 2.34 MB / 0.8386 GB
Warning: The model contains alias variables with conflicting start and/or 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 0.06058/1.874, allocations: 26.67 MB / 1.26 GB, free: 5.484 MB / 0.8698 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01072/1.885, allocations: 4.498 MB / 1.264 GB, free: 0.6719 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.6348/2.52, allocations: 2.038 MB / 1.266 GB, free: 238 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004334/2.52, allocations: 133.2 kB / 1.267 GB, free: 237.9 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.66e-05/2.52, allocations: 61.72 kB / 1.267 GB, free: 237.9 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=208): time 6.793e-06/2.52, allocations: 0 / 1.267 GB, free: 237.9 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=277): time 0.1873/2.708, allocations: 25.88 MB / 1.292 GB, free: 235.6 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001323/2.708, allocations: 241.6 kB / 1.292 GB, free: 235.3 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004106/2.712, allocations: 1.27 MB / 1.293 GB, free: 235.2 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008885/2.713, allocations: 70.3 kB / 1.293 GB, free: 235.1 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001531/2.714, allocations: 1.482 MB / 1.295 GB, free: 234.5 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00187/2.716, allocations: 0.9431 MB / 1.296 GB, free: 233.9 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000585/2.717, allocations: 65.78 kB / 1.296 GB, free: 233.9 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.0003187/2.717, allocations: 446.2 kB / 1.296 GB, free: 233.6 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00799/2.725, allocations: 2.115 MB / 1.298 GB, free: 233.6 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.009455/2.735, allocations: 3.022 MB / 1.301 GB, free: 232.6 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.008963/2.744, allocations: 2.593 MB / 1.304 GB, free: 232.6 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.15e-05/2.744, allocations: 7.719 kB / 1.304 GB, free: 232.6 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02958/2.774, allocations: 8.11 MB / 1.312 GB, free: 232.3 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002856/2.776, allocations: 10.62 MB / 1.322 GB, free: 221.1 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001306/2.777, allocations: 27.31 kB / 1.322 GB, free: 221.1 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04377/2.82, allocations: 6.528 MB / 1.329 GB, free: 221 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007405/2.828, allocations: 0.8726 MB / 1.329 GB, free: 221 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03627/2.864, allocations: 14.63 MB / 1.344 GB, free: 218 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007707/2.872, allocations: 0.5367 MB / 1.344 GB, free: 217.9 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001145/2.873, allocations: 199.5 kB / 1.344 GB, free: 217.9 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.562e-05/2.873, allocations: 7.938 kB / 1.344 GB, free: 217.9 MB / 0.8698 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singulare and cannot handled because number of unassigned equations is larger than number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.007753/2.881, allocations: 2.645 MB / 1.347 GB, free: 217 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated