Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 7.0.1 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.397/2.397, allocations: 252.6 MB / 265.2 MB, free: 5.668 MB / 202.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001579/0.001579, allocations: 183.8 kB / 324.5 MB, free: 14.4 MB / 266.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.267/2.267, allocations: 205.4 MB / 0.5754 GB, free: 10.48 MB / 426.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001136/0.001135, allocations: 109.2 kB / 0.6797 GB, free: 15.72 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 4.116e-05/4.135e-05, allocations: 8 kB / 0.7912 GB, free: 96.56 MB / 0.5417 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.207/0.2071, allocations: 106.2 MB / 0.8949 GB, free: 6.234 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.015/1.222, allocations: 191.9 MB / 1.082 GB, free: 9.121 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004607/1.222, allocations: 115.5 kB / 1.082 GB, free: 9.055 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5175/1.74, allocations: 123.4 MB / 1.203 GB, free: 2.578 MB / 0.8073 GB
Notification: Performance of FrontEnd: time 2.054e-06/1.74, allocations: 0 / 1.203 GB, free: 2.578 MB / 0.8073 GB
Notification: Performance of Transformations before backend: time 0.0002127/1.74, allocations: 67.98 kB / 1.203 GB, free: 2.512 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 0.0124/1.753, allocations: 2.67 MB / 1.206 GB, free: 15.79 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.496e-05/1.753, allocations: 8.031 kB / 1.206 GB, free: 15.78 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0225/1.775, allocations: 2.083 MB / 1.208 GB, free: 13.69 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00757/1.783, allocations: 2.001 MB / 1.21 GB, free: 11.64 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003866/1.783, allocations: 230.1 kB / 1.21 GB, free: 11.41 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002141/1.785, allocations: 300 kB / 1.21 GB, free: 11.12 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02011/1.806, allocations: 5.314 MB / 1.215 GB, free: 5.695 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001234/1.806, allocations: 0 / 1.215 GB, free: 5.695 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001322/1.807, allocations: 135.9 kB / 1.215 GB, free: 5.562 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009186/1.808, allocations: 293.2 kB / 1.216 GB, free: 5.273 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01744/1.825, allocations: 5.011 MB / 1.221 GB, free: 256 kB / 0.823 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05527/1.881, allocations: 24.76 MB / 1.245 GB, free: 5.426 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01154/1.892, allocations: 4.971 MB / 1.25 GB, free: 104 kB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006848/1.899, allocations: 2.31 MB / 1.252 GB, free: 13.77 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005596/1.9, allocations: 139 kB / 1.252 GB, free: 13.62 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.625e-05/1.9, allocations: 64.48 kB / 1.252 GB, free: 13.55 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=230): time 6.042e-06/1.9, allocations: 0 / 1.252 GB, free: 13.55 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=311): time 0.8589/2.759, allocations: 30.94 MB / 1.282 GB, free: 244 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001317/2.759, allocations: 250.5 kB / 1.283 GB, free: 243.7 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002826/2.762, allocations: 1.111 MB / 1.284 GB, free: 243.6 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009832/2.763, allocations: 75.92 kB / 1.284 GB, free: 243.5 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001314/2.764, allocations: 1.229 MB / 1.285 GB, free: 243 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002103/2.766, allocations: 1.047 MB / 1.286 GB, free: 242.4 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005251/2.767, allocations: 65.72 kB / 1.286 GB, free: 242.4 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.0003406/2.767, allocations: 450.1 kB / 1.286 GB, free: 242.1 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006857/2.774, allocations: 2.233 MB / 1.289 GB, free: 242.1 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007899/2.782, allocations: 2.927 MB / 1.291 GB, free: 241.4 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007915/2.79, allocations: 2.656 MB / 1.294 GB, free: 241.3 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.595e-05/2.79, allocations: 6.312 kB / 1.294 GB, free: 241.3 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.03214/2.822, allocations: 8.414 MB / 1.302 GB, free: 241.1 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.00194/2.824, allocations: 7.312 MB / 1.309 GB, free: 233.4 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001026/2.825, allocations: 19.59 kB / 1.309 GB, free: 233.4 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04475/2.869, allocations: 6.764 MB / 1.316 GB, free: 233.4 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007217/2.877, allocations: 0.8259 MB / 1.317 GB, free: 233.4 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04032/2.917, allocations: 16.65 MB / 1.333 GB, free: 228.4 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007494/2.925, allocations: 0.5016 MB / 1.334 GB, free: 228.4 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001093/2.926, allocations: 183.6 kB / 1.334 GB, free: 228.3 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.596e-05/2.926, allocations: 3.969 kB / 1.334 GB, free: 228.3 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 0.007689/2.933, allocations: 2.71 MB / 1.336 GB, free: 227.3 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated