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.UnbalancedStepDown.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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.753/1.753, allocations: 288.4 MB / 303.3 MB, free: 8.168 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001776/0.001776, allocations: 183 kB / 372 MB, free: 10.25 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.646/1.646, allocations: 205.4 MB / 0.6307 GB, free: 9.859 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007563/0.0007563, allocations: 102.3 kB / 0.7441 GB, free: 5.785 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.000396/0.0003962, allocations: 15.25 kB / 0.8671 GB, free: 141.9 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2319/0.2324, allocations: 115.3 MB / 0.9797 GB, free: 27.49 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.01298/0.2454, allocations: 14.8 MB / 0.9941 GB, free: 12.63 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.008468/0.2539, allocations: 6.142 MB / 1 GB, free: 6.477 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002067/0.256, allocations: 39.88 kB / 1 GB, free: 6.438 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.001164/0.2572, allocations: 325.6 kB / 1 GB, free: 6.117 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.00369/0.2609, allocations: 1.074 MB / 1.002 GB, free: 5.039 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002608/0.2635, allocations: 0.7506 MB / 1.002 GB, free: 4.289 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.005432/0.269, allocations: 5.869 MB / 1.008 GB, free: 14.41 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009438/0.2784, allocations: 6.001 MB / 1.014 GB, free: 8.336 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003141/0.2816, allocations: 1.526 MB / 1.015 GB, free: 6.805 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004262/0.2859, allocations: 2.376 MB / 1.018 GB, free: 4.422 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007119/0.2866, allocations: 216 kB / 1.018 GB, free: 4.211 MB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001918/0.2885, allocations: 0.6595 MB / 1.019 GB, free: 3.551 MB / 0.6355 GB
Notification: Performance of NFScalarize.scalarize: time 0.002146/0.2907, allocations: 1.703 MB / 1.02 GB, free: 1.844 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.001146/0.2919, allocations: 0.6095 MB / 1.021 GB, free: 1.227 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.006557/0.2984, allocations: 5.536 MB / 1.026 GB, free: 11.68 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 5.991e-06/0.2985, allocations: 0 / 1.026 GB, free: 11.68 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 1.933e-06/0.2985, allocations: 3.938 kB / 1.026 GB, free: 11.67 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.000211/0.2987, allocations: 0 / 1.026 GB, free: 11.67 MB / 0.6511 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 0.006916/0.3056, allocations: 2.88 MB / 1.029 GB, free: 8.73 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 6.317e-05/0.3057, allocations: 12.02 kB / 1.029 GB, free: 8.719 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001792/0.3075, allocations: 0.4925 MB / 1.029 GB, free: 8.215 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01252/0.3201, allocations: 2.305 MB / 1.032 GB, free: 5.902 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005276/0.3254, allocations: 1.955 MB / 1.034 GB, free: 3.902 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002465/0.3257, allocations: 234.2 kB / 1.034 GB, free: 3.672 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001199/0.3269, allocations: 307.9 kB / 1.034 GB, free: 3.371 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01724/0.3441, allocations: 6.399 MB / 1.04 GB, free: 12.86 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.434e-05/0.3442, allocations: 7.938 kB / 1.04 GB, free: 12.85 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004792/0.3447, allocations: 132 kB / 1.041 GB, free: 12.72 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005022/0.3452, allocations: 317.4 kB / 1.041 GB, free: 12.41 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01579/0.361, allocations: 6.562 MB / 1.047 GB, free: 5.832 MB / 0.6667 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.569/0.9301, allocations: 24.88 MB / 1.072 GB, free: 75.39 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009898/0.94, allocations: 5.412 MB / 1.077 GB, free: 73.46 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.008505/0.9486, allocations: 2.943 MB / 1.08 GB, free: 72.83 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004939/0.9491, allocations: 137.9 kB / 1.08 GB, free: 72.73 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.672e-05/0.9492, allocations: 64.62 kB / 1.08 GB, free: 72.67 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=230): time 6.753e-06/0.9492, allocations: 0 / 1.08 GB, free: 72.67 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=313): time 0.1429/1.092, allocations: 39.52 MB / 1.119 GB, free: 58.22 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001044/1.092, allocations: 247.2 kB / 1.119 GB, free: 57.96 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001939/1.094, allocations: 1.264 MB / 1.12 GB, free: 57.27 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008109/1.095, allocations: 73.55 kB / 1.12 GB, free: 57.21 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007499/1.096, allocations: 1.252 MB / 1.121 GB, free: 56.11 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001157/1.097, allocations: 1.048 MB / 1.122 GB, free: 55.2 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002342/1.097, allocations: 66.06 kB / 1.122 GB, free: 55.15 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0001671/1.097, allocations: 442.4 kB / 1.123 GB, free: 54.75 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00519/1.103, allocations: 2.737 MB / 1.125 GB, free: 52.86 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005519/1.108, allocations: 3.427 MB / 1.129 GB, free: 49.18 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.005953/1.114, allocations: 3.138 MB / 1.132 GB, free: 46.02 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.047e-05/1.114, allocations: 11.98 kB / 1.132 GB, free: 46.01 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.02619/1.14, allocations: 11 MB / 1.143 GB, free: 34.96 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0003954/1.141, allocations: 0.6239 MB / 1.143 GB, free: 34.08 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.66e-05/1.141, allocations: 16 kB / 1.143 GB, free: 34.06 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02157/1.162, allocations: 6.289 MB / 1.149 GB, free: 27.77 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004277/1.167, allocations: 0.94 MB / 1.15 GB, free: 26.82 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03792/1.205, allocations: 26.38 MB / 1.176 GB, free: 244 kB / 0.6823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004375/1.209, allocations: 0.5295 MB / 1.177 GB, free: 15.71 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006295/1.21, allocations: 139.9 kB / 1.177 GB, free: 15.57 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.521e-05/1.21, allocations: 4 kB / 1.177 GB, free: 15.57 MB / 0.698 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 0.008093/1.218, allocations: 3.078 MB / 1.18 GB, free: 12.47 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated