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.BalancedStepDown.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.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.644/1.644, allocations: 285.4 MB / 298 MB, free: 5.961 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001244/0.001245, allocations: 180.8 kB / 366.4 MB, free: 2.082 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.514/1.514, allocations: 205.1 MB / 0.6248 GB, free: 7.73 MB / 474.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009743/0.0009743, allocations: 90.23 kB / 0.738 GB, free: 40.26 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 3.351e-05/3.363e-05, allocations: 7.984 kB / 0.8583 GB, free: 13.05 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6702/0.6702, allocations: 115.3 MB / 0.9709 GB, free: 77.91 MB / 0.6667 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.2327/0.903, allocations: 198.4 MB / 1.165 GB, free: 1.32 MB / 0.7605 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003225/0.9033, allocations: 114 kB / 1.165 GB, free: 1.211 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 0.7784/1.682, allocations: 123.4 MB / 1.285 GB, free: 204.1 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 2.535e-06/1.682, allocations: 1.031 kB / 1.285 GB, free: 204.1 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.0002648/1.682, allocations: 74.31 kB / 1.285 GB, free: 204.1 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: 863
 * Number of variables: 863
Notification: Performance of Generate backend data structure: time 0.01233/1.694, allocations: 2.66 MB / 1.288 GB, free: 202.9 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 6.686e-05/1.694, allocations: 9.719 kB / 1.288 GB, free: 202.9 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01461/1.709, allocations: 2.091 MB / 1.29 GB, free: 202.7 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006176/1.715, allocations: 1.993 MB / 1.292 GB, free: 202.3 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003194/1.716, allocations: 231 kB / 1.292 GB, free: 202.3 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001909/1.718, allocations: 308 kB / 1.292 GB, free: 202.3 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01402/1.732, allocations: 5.317 MB / 1.298 GB, free: 201.9 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.53e-05/1.732, allocations: 5.094 kB / 1.298 GB, free: 201.9 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004439/1.732, allocations: 125.7 kB / 1.298 GB, free: 201.9 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000612/1.733, allocations: 289.1 kB / 1.298 GB, free: 201.9 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01025/1.743, allocations: 5.015 MB / 1.303 GB, free: 201.9 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03087/1.774, allocations: 24.75 MB / 1.327 GB, free: 184.4 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004886/1.779, allocations: 4.977 MB / 1.332 GB, free: 181.3 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.002855/1.782, allocations: 2.312 MB / 1.334 GB, free: 180.5 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002428/1.782, allocations: 137.8 kB / 1.334 GB, free: 180.4 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.607e-05/1.782, allocations: 68.78 kB / 1.334 GB, free: 180.3 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=230): time 5.831e-06/1.782, allocations: 4 kB / 1.334 GB, free: 180.3 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=311): time 0.1089/1.891, allocations: 30.95 MB / 1.365 GB, free: 174.3 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.79e-05/1.891, allocations: 239.7 kB / 1.365 GB, free: 174.1 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001692/1.893, allocations: 1.119 MB / 1.366 GB, free: 173.6 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006207/1.893, allocations: 72.86 kB / 1.366 GB, free: 173.5 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005718/1.894, allocations: 1.24 MB / 1.367 GB, free: 172.6 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009332/1.895, allocations: 1.037 MB / 1.368 GB, free: 171.8 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002402/1.895, allocations: 64.91 kB / 1.368 GB, free: 171.7 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.000171/1.895, allocations: 447 kB / 1.369 GB, free: 171.4 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0031/1.899, allocations: 2.237 MB / 1.371 GB, free: 170.5 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003307/1.902, allocations: 2.924 MB / 1.374 GB, free: 167.6 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.003274/1.905, allocations: 2.655 MB / 1.376 GB, free: 165.4 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.239e-05/1.905, allocations: 13.62 kB / 1.376 GB, free: 165.4 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.01413/1.919, allocations: 8.415 MB / 1.385 GB, free: 158.5 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001203/1.921, allocations: 7.322 MB / 1.392 GB, free: 150.6 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.572e-05/1.921, allocations: 16 kB / 1.392 GB, free: 150.6 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02348/1.944, allocations: 6.755 MB / 1.398 GB, free: 143.8 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003988/1.948, allocations: 0.8268 MB / 1.399 GB, free: 143 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02152/1.97, allocations: 16.65 MB / 1.415 GB, free: 126.2 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005359/1.975, allocations: 0.5029 MB / 1.416 GB, free: 125.6 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001085/1.976, allocations: 183.9 kB / 1.416 GB, free: 125.5 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.747e-05/1.976, allocations: 4 kB / 1.416 GB, free: 125.5 MB / 0.8542 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 0.00612/1.982, allocations: 2.716 MB / 1.419 GB, free: 122.7 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated