Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/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 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.605/1.605, allocations: 288.4 MB / 304.3 MB, free: 8.117 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001056/0.001056, allocations: 183 kB / 372.9 MB, free: 10.15 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.386/1.386, allocations: 205.4 MB / 0.6317 GB, free: 9.895 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007754/0.0007754, allocations: 92.91 kB / 0.745 GB, free: 5.809 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003861/0.0003861, allocations: 19.02 kB / 0.8681 GB, free: 141.8 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2438/0.2442, allocations: 115.3 MB / 0.9808 GB, free: 27.38 MB / 0.6198 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7975/1.042, allocations: 199.2 MB / 1.175 GB, free: 15.48 MB / 0.7136 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000375/1.042, allocations: 119 kB / 1.175 GB, free: 15.41 MB / 0.7136 GB
Notification: Performance of FrontEnd - DAE generated: time 0.2976/1.34, allocations: 124.5 MB / 1.297 GB, free: 13.74 MB / 0.823 GB
Notification: Performance of FrontEnd: time 3.005e-06/1.34, allocations: 0 / 1.297 GB, free: 13.74 MB / 0.823 GB
Notification: Performance of Transformations before backend: time 0.0001289/1.34, allocations: 64 kB / 1.297 GB, free: 13.68 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: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.007414/1.347, allocations: 2.833 MB / 1.3 GB, free: 10.78 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.871e-05/1.348, allocations: 8.031 kB / 1.3 GB, free: 10.77 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01234/1.36, allocations: 2.088 MB / 1.302 GB, free: 8.68 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005412/1.365, allocations: 2.045 MB / 1.304 GB, free: 6.586 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002256/1.366, allocations: 235.3 kB / 1.304 GB, free: 6.355 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001032/1.367, allocations: 304 kB / 1.304 GB, free: 6.059 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01326/1.38, allocations: 5.896 MB / 1.31 GB, free: 52 kB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.644e-05/1.38, allocations: 11.84 kB / 1.31 GB, free: 40 kB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000395/1.38, allocations: 132 kB / 1.31 GB, free: 15.91 MB / 0.8386 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004951/1.381, allocations: 281.4 kB / 1.311 GB, free: 15.63 MB / 0.8386 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01473/1.396, allocations: 6.028 MB / 1.316 GB, free: 9.59 MB / 0.8386 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03314/1.429, allocations: 24.85 MB / 1.341 GB, free: 14.68 MB / 0.8698 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008344/1.437, allocations: 5.466 MB / 1.346 GB, free: 8.863 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005571/1.443, allocations: 2.806 MB / 1.349 GB, free: 6.047 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002816/1.443, allocations: 135 kB / 1.349 GB, free: 5.895 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.034e-05/1.443, allocations: 76.48 kB / 1.349 GB, free: 5.812 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=230): time 4.418e-06/1.443, allocations: 0 / 1.349 GB, free: 5.812 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=311): time 0.1276/1.571, allocations: 36.57 MB / 1.385 GB, free: 1.125 MB / 0.9011 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001301/1.571, allocations: 239.9 kB / 1.385 GB, free: 0.8398 MB / 0.9011 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002046/1.573, allocations: 1.299 MB / 1.386 GB, free: 15.52 MB / 0.9167 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007359/1.574, allocations: 77.7 kB / 1.386 GB, free: 15.44 MB / 0.9167 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008059/1.575, allocations: 1.246 MB / 1.387 GB, free: 14.18 MB / 0.9167 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001217/1.576, allocations: 1.047 MB / 1.388 GB, free: 13.12 MB / 0.9167 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002288/1.576, allocations: 64 kB / 1.389 GB, free: 13.05 MB / 0.9167 GB
Notification: Performance of setup shared object (initialization): time 0.000214/1.576, allocations: 448.7 kB / 1.389 GB, free: 12.61 MB / 0.9167 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005643/1.582, allocations: 2.734 MB / 1.392 GB, free: 9.871 MB / 0.9167 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006477/1.589, allocations: 3.434 MB / 1.395 GB, free: 6.164 MB / 0.9167 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01282/1.601, allocations: 6.38 MB / 1.401 GB, free: 15.49 MB / 0.9323 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.252e-05/1.601, allocations: 8 kB / 1.401 GB, free: 15.48 MB / 0.9323 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02424/1.626, allocations: 9.853 MB / 1.411 GB, free: 5.574 MB / 0.9323 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005077/1.626, allocations: 0.6378 MB / 1.411 GB, free: 4.672 MB / 0.9323 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.787e-05/1.626, allocations: 16 kB / 1.411 GB, free: 4.656 MB / 0.9323 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03037/1.657, allocations: 7.77 MB / 1.419 GB, free: 12.87 MB / 0.948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004048/1.661, allocations: 0.8228 MB / 1.42 GB, free: 12.04 MB / 0.948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6155/2.276, allocations: 17.34 MB / 1.437 GB, free: 270.4 MB / 0.948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004758/2.281, allocations: 0.5231 MB / 1.437 GB, free: 270.4 MB / 0.948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006423/2.282, allocations: 187.3 kB / 1.438 GB, free: 270.4 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.36e-05/2.282, allocations: 2.75 kB / 1.438 GB, free: 270.4 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 0.007778/2.29, allocations: 3.199 MB / 1.441 GB, free: 270.3 MB / 0.948 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated