Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.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 9.0.0 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 5.104/5.104, allocations: 0.5623 GB / 0.5776 GB, free: 3.328 MB / 474.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.002534/0.002534, allocations: 360.9 kB / 0.6447 GB, free: 185.6 MB / 474.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 4.336/4.336, allocations: 410.7 MB / 1.113 GB, free: 5.906 MB / 0.6042 GB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001864/0.001863, allocations: 188.1 kB / 1.226 GB, free: 6.035 MB / 0.7136 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004992/0.0004997, allocations: 8 kB / 1.349 GB, free: 8.145 MB / 0.8386 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7097/0.7102, allocations: 115.3 MB / 1.461 GB, free: 284.3 MB / 0.8542 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.02122/0.7315, allocations: 14.81 MB / 1.476 GB, free: 269.4 MB / 0.8542 GB
Notification: Performance of NFInst.instExpressions: time 0.01262/0.7442, allocations: 6.118 MB / 1.482 GB, free: 263.3 MB / 0.8542 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001766/0.746, allocations: 39.88 kB / 1.482 GB, free: 263.3 MB / 0.8542 GB
Notification: Performance of NFTyping.typeComponents: time 0.001406/0.7474, allocations: 337.5 kB / 1.482 GB, free: 262.9 MB / 0.8542 GB
Notification: Performance of NFTyping.typeBindings: time 0.004342/0.7518, allocations: 1.116 MB / 1.483 GB, free: 261.8 MB / 0.8542 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00351/0.7554, allocations: 0.7959 MB / 1.484 GB, free: 261 MB / 0.8542 GB
Notification: Performance of NFFlatten.flatten: time 0.007382/0.7628, allocations: 5.885 MB / 1.49 GB, free: 255.1 MB / 0.8542 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01176/0.7746, allocations: 5.976 MB / 1.496 GB, free: 249.4 MB / 0.8542 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003367/0.7781, allocations: 1.498 MB / 1.497 GB, free: 247.9 MB / 0.8542 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.005686/0.7838, allocations: 2.377 MB / 1.499 GB, free: 245.6 MB / 0.8542 GB
Notification: Performance of NFPackage.collectConstants: time 0.001254/0.7851, allocations: 212 kB / 1.5 GB, free: 245.4 MB / 0.8542 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002968/0.7881, allocations: 0.6553 MB / 1.5 GB, free: 244.7 MB / 0.8542 GB
Notification: Performance of NFScalarize.scalarize: time 0.003001/0.7912, allocations: 1.699 MB / 1.502 GB, free: 243 MB / 0.8542 GB
Notification: Performance of NFVerifyModel.verify: time 0.001626/0.7928, allocations: 0.6134 MB / 1.503 GB, free: 242.4 MB / 0.8542 GB
Notification: Performance of NFConvertDAE.convert: time 0.007417/0.8003, allocations: 5.542 MB / 1.508 GB, free: 236.8 MB / 0.8542 GB
Notification: Performance of FrontEnd - DAE generated: time 8.436e-06/0.8004, allocations: 4 kB / 1.508 GB, free: 236.8 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 3.025e-06/0.8004, allocations: 0 / 1.508 GB, free: 236.8 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.0002464/0.8006, allocations: 0 / 1.508 GB, free: 236.8 MB / 0.8542 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 0.009833/0.8105, allocations: 2.876 MB / 1.511 GB, free: 233.9 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 5.615e-05/0.8106, allocations: 8.031 kB / 1.511 GB, free: 233.9 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02254/0.8331, allocations: 2.414 MB / 1.513 GB, free: 231.5 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005713/0.8389, allocations: 1.955 MB / 1.515 GB, free: 229.5 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002785/0.8392, allocations: 230.2 kB / 1.515 GB, free: 229.2 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001471/0.8407, allocations: 310.1 kB / 1.516 GB, free: 228.9 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02134/0.8621, allocations: 6.414 MB / 1.522 GB, free: 222.4 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001239/0.8622, allocations: 4 kB / 1.522 GB, free: 222.4 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008292/0.8631, allocations: 128 kB / 1.522 GB, free: 222.3 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007031/0.8638, allocations: 321.3 kB / 1.522 GB, free: 222 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02518/0.889, allocations: 6.559 MB / 1.529 GB, free: 215.4 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04283/0.9319, allocations: 24.88 MB / 1.553 GB, free: 188.5 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01422/0.9462, allocations: 5.415 MB / 1.558 GB, free: 182.8 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01132/0.9575, allocations: 2.944 MB / 1.561 GB, free: 179.8 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005345/0.9581, allocations: 143 kB / 1.561 GB, free: 179.6 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.63e-05/0.9582, allocations: 60.5 kB / 1.561 GB, free: 179.6 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=230): time 6.312e-06/0.9582, allocations: 0 / 1.561 GB, free: 179.6 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=313): time 0.2849/1.243, allocations: 39.53 MB / 1.6 GB, free: 140 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.862e-05/1.243, allocations: 239.9 kB / 1.6 GB, free: 139.7 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002282/1.246, allocations: 1.267 MB / 1.601 GB, free: 138.4 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007092/1.246, allocations: 77.7 kB / 1.601 GB, free: 138.3 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000847/1.247, allocations: 1.25 MB / 1.603 GB, free: 137.1 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001525/1.249, allocations: 1.055 MB / 1.604 GB, free: 136 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004584/1.249, allocations: 64 kB / 1.604 GB, free: 135.9 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0002313/1.249, allocations: 444.7 kB / 1.604 GB, free: 135.5 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0105/1.26, allocations: 2.735 MB / 1.607 GB, free: 132.7 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01098/1.271, allocations: 3.427 MB / 1.61 GB, free: 129.1 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01134/1.282, allocations: 3.138 MB / 1.613 GB, free: 125.9 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.518e-05/1.282, allocations: 8 kB / 1.613 GB, free: 125.9 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.05117/1.334, allocations: 10.99 MB / 1.624 GB, free: 114.8 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.000383/1.334, allocations: 0.6255 MB / 1.625 GB, free: 114 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.343e-05/1.334, allocations: 20 kB / 1.625 GB, free: 113.9 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04162/1.376, allocations: 6.295 MB / 1.631 GB, free: 107.6 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007702/1.384, allocations: 0.9321 MB / 1.632 GB, free: 106.7 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.07603/1.46, allocations: 26.37 MB / 1.657 GB, free: 80.12 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007354/1.467, allocations: 0.5304 MB / 1.658 GB, free: 79.59 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008896/1.468, allocations: 139.9 kB / 1.658 GB, free: 79.45 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.39e-05/1.468, allocations: 4 kB / 1.658 GB, free: 79.45 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 0.01212/1.48, allocations: 3.077 MB / 1.661 GB, free: 76.35 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated