Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/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 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.711/2.711, allocations: 287.5 MB / 303.2 MB, free: 8.266 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00142/0.00142, allocations: 189.8 kB / 371.8 MB, free: 10.81 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.072/2.072, allocations: 205.4 MB / 0.6305 GB, free: 10.55 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009613/0.0009608, allocations: 107.4 kB / 0.7438 GB, free: 6.523 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.000726/0.0007262, allocations: 14.16 kB / 0.8668 GB, free: 140.7 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2388/0.2396, allocations: 115.3 MB / 0.9793 GB, free: 28.16 MB / 0.6198 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9918/1.232, allocations: 198.3 MB / 1.173 GB, free: 1.594 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0005055/1.232, allocations: 127.8 kB / 1.173 GB, free: 1.516 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5039/1.736, allocations: 123.8 MB / 1.294 GB, free: 0.7227 MB / 0.8073 GB
Notification: Performance of FrontEnd: time 5.54e-06/1.736, allocations: 0 / 1.294 GB, free: 0.7227 MB / 0.8073 GB
Notification: Performance of Transformations before backend: time 0.0001725/1.736, allocations: 67.88 kB / 1.294 GB, free: 0.6562 MB / 0.8073 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 863
 * Number of variables: 863
Notification: Performance of Generate backend data structure: time 0.01173/1.748, allocations: 2.809 MB / 1.297 GB, free: 13.79 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.597e-05/1.748, allocations: 12.03 kB / 1.297 GB, free: 13.77 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02227/1.77, allocations: 2.084 MB / 1.299 GB, free: 11.68 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007092/1.778, allocations: 2.029 MB / 1.301 GB, free: 9.605 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002796/1.778, allocations: 227.2 kB / 1.301 GB, free: 9.383 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001334/1.779, allocations: 300 kB / 1.301 GB, free: 9.09 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02132/1.801, allocations: 5.875 MB / 1.307 GB, free: 3.102 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001027/1.801, allocations: 3.906 kB / 1.307 GB, free: 3.098 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006221/1.801, allocations: 124 kB / 1.307 GB, free: 2.977 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008512/1.802, allocations: 297.2 kB / 1.308 GB, free: 2.684 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02618/1.828, allocations: 6.008 MB / 1.313 GB, free: 12.66 MB / 0.8386 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05084/1.879, allocations: 24.78 MB / 1.338 GB, free: 1.816 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01563/1.895, allocations: 5.462 MB / 1.343 GB, free: 12.01 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01105/1.906, allocations: 2.806 MB / 1.346 GB, free: 9.188 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004291/1.907, allocations: 139 kB / 1.346 GB, free: 9.031 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.363e-05/1.907, allocations: 68.44 kB / 1.346 GB, free: 8.957 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=230): time 5.371e-06/1.907, allocations: 0 / 1.346 GB, free: 8.957 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=311): time 0.2542/2.161, allocations: 36.51 MB / 1.381 GB, free: 4.332 MB / 0.9011 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001546/2.161, allocations: 243.9 kB / 1.382 GB, free: 4.043 MB / 0.9011 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002833/2.164, allocations: 1.249 MB / 1.383 GB, free: 2.777 MB / 0.9011 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008803/2.165, allocations: 81.7 kB / 1.383 GB, free: 2.691 MB / 0.9011 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001162/2.166, allocations: 1.235 MB / 1.384 GB, free: 1.438 MB / 0.9011 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001721/2.168, allocations: 1.04 MB / 1.385 GB, free: 392 kB / 0.9011 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000435/2.168, allocations: 64 kB / 1.385 GB, free: 328 kB / 0.9011 GB
Notification: Performance of setup shared object (initialization): time 0.0003223/2.169, allocations: 440.7 kB / 1.386 GB, free: 15.88 MB / 0.9167 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01097/2.18, allocations: 2.735 MB / 1.388 GB, free: 13.14 MB / 0.9167 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01183/2.191, allocations: 3.434 MB / 1.392 GB, free: 9.441 MB / 0.9167 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.02374/2.215, allocations: 6.38 MB / 1.398 GB, free: 2.77 MB / 0.9167 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.282e-05/2.215, allocations: 8 kB / 1.398 GB, free: 2.762 MB / 0.9167 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.04591/2.261, allocations: 9.849 MB / 1.408 GB, free: 8.855 MB / 0.9323 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006912/2.262, allocations: 0.6459 MB / 1.408 GB, free: 7.945 MB / 0.9323 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.833e-05/2.262, allocations: 16 kB / 1.408 GB, free: 7.93 MB / 0.9323 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05914/2.321, allocations: 7.766 MB / 1.416 GB, free: 148 kB / 0.9323 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007506/2.329, allocations: 0.8268 MB / 1.417 GB, free: 15.31 MB / 0.948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.716/3.045, allocations: 17.34 MB / 1.434 GB, free: 270 MB / 0.948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007499/3.052, allocations: 0.5244 MB / 1.434 GB, free: 270 MB / 0.948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001101/3.053, allocations: 187.1 kB / 1.434 GB, free: 270 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.757e-05/3.054, allocations: 9.5 kB / 1.434 GB, free: 270 MB / 0.948 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 0.01351/3.067, allocations: 3.205 MB / 1.437 GB, free: 269.9 MB / 0.948 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated