Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
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 7.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_7_0_0_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 7.0.1/package.mo): time 2.417/2.417, allocations: 248.5 MB / 261.1 MB, free: 6.004 MB / 202.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001538/0.001538, allocations: 178.7 kB / 320.4 MB, free: 15.34 MB / 266.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.9/1.9, allocations: 205.2 MB / 0.571 GB, free: 11.83 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001094/0.001093, allocations: 90.48 kB / 0.6754 GB, free: 0.9219 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 3.58e-05/3.626e-05, allocations: 4 kB / 0.787 GB, free: 97.77 MB / 0.5417 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1999/0.2, allocations: 106.2 MB / 0.8907 GB, free: 7.43 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.916/1.116, allocations: 192.6 MB / 1.079 GB, free: 9.172 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004293/1.116, allocations: 114.9 kB / 1.079 GB, free: 9.102 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.536/1.652, allocations: 124.1 MB / 1.2 GB, free: 2.66 MB / 0.8073 GB
Notification: Performance of FrontEnd: time 2.034e-06/1.653, allocations: 3.938 kB / 1.2 GB, free: 2.656 MB / 0.8073 GB
Notification: Performance of Transformations before backend: time 0.0002027/1.653, allocations: 67.98 kB / 1.2 GB, free: 2.59 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: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.01202/1.665, allocations: 2.701 MB / 1.203 GB, free: 15.83 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.334e-05/1.665, allocations: 8.031 kB / 1.203 GB, free: 15.82 MB / 0.823 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002387/1.667, allocations: 488.3 kB / 1.203 GB, free: 15.34 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02275/1.69, allocations: 2.083 MB / 1.205 GB, free: 13.25 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00733/1.697, allocations: 2.013 MB / 1.207 GB, free: 11.19 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003551/1.698, allocations: 238.2 kB / 1.207 GB, free: 10.95 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001721/1.7, allocations: 303.9 kB / 1.208 GB, free: 10.66 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01874/1.718, allocations: 5.343 MB / 1.213 GB, free: 5.203 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001289/1.719, allocations: 7.938 kB / 1.213 GB, free: 5.195 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001117/1.72, allocations: 135.9 kB / 1.213 GB, free: 5.062 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009167/1.721, allocations: 285.3 kB / 1.213 GB, free: 4.781 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01738/1.738, allocations: 5.031 MB / 1.218 GB, free: 15.73 MB / 0.8386 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.07721/1.815, allocations: 24.84 MB / 1.243 GB, free: 4.832 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01812/1.833, allocations: 4.974 MB / 1.247 GB, free: 15.51 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01048/1.844, allocations: 2.302 MB / 1.25 GB, free: 13.19 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0007365/1.845, allocations: 147 kB / 1.25 GB, free: 13.03 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.105e-05/1.845, allocations: 64.5 kB / 1.25 GB, free: 12.96 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=230): time 1.257e-05/1.845, allocations: 3.984 kB / 1.25 GB, free: 12.95 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=311): time 0.9011/2.746, allocations: 30.98 MB / 1.28 GB, free: 244.1 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001329/2.746, allocations: 243.9 kB / 1.28 GB, free: 243.8 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003044/2.749, allocations: 1.149 MB / 1.281 GB, free: 243.6 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009478/2.75, allocations: 79.02 kB / 1.282 GB, free: 243.6 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001234/2.752, allocations: 1.25 MB / 1.283 GB, free: 243.1 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001875/2.753, allocations: 1.049 MB / 1.284 GB, free: 242.5 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005495/2.754, allocations: 63.62 kB / 1.284 GB, free: 242.5 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.0003214/2.754, allocations: 452.3 kB / 1.284 GB, free: 242.2 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006542/2.761, allocations: 2.231 MB / 1.286 GB, free: 242.2 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007615/2.769, allocations: 2.925 MB / 1.289 GB, free: 241.5 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007416/2.776, allocations: 2.65 MB / 1.292 GB, free: 241.4 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.963e-05/2.776, allocations: 5.75 kB / 1.292 GB, free: 241.4 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.03143/2.808, allocations: 8.416 MB / 1.3 GB, free: 241.1 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001745/2.809, allocations: 7.318 MB / 1.307 GB, free: 233.5 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001195/2.81, allocations: 21.78 kB / 1.307 GB, free: 233.5 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04459/2.854, allocations: 6.757 MB / 1.314 GB, free: 233.5 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007271/2.862, allocations: 0.8281 MB / 1.315 GB, free: 233.5 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04193/2.904, allocations: 16.65 MB / 1.331 GB, free: 228.6 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00762/2.911, allocations: 0.5052 MB / 1.331 GB, free: 228.6 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001207/2.913, allocations: 180.8 kB / 1.332 GB, free: 228.5 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.685e-05/2.913, allocations: 6.469 kB / 1.332 GB, free: 228.5 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 0.008308/2.921, allocations: 2.707 MB / 1.334 GB, free: 227.5 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated