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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.606/1.606, allocations: 285.4 MB / 298 MB, free: 6.012 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001089/0.001089, allocations: 188.2 kB / 366.4 MB, free: 2.117 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.349/1.349, allocations: 205.1 MB / 0.6248 GB, free: 7.77 MB / 474.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007674/0.0007674, allocations: 88.42 kB / 0.738 GB, free: 40.3 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 3.452e-05/3.477e-05, allocations: 7.984 kB / 0.8583 GB, free: 13.08 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5627/0.5628, allocations: 115.3 MB / 0.9709 GB, free: 77.87 MB / 0.6667 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.2161/0.7789, allocations: 199.1 MB / 1.165 GB, free: 0.6094 MB / 0.7605 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000312/0.7793, allocations: 118 kB / 1.165 GB, free: 0.4961 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 0.7675/1.547, allocations: 124.1 MB / 1.287 GB, free: 204.1 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 2.234e-06/1.547, allocations: 1.688 kB / 1.287 GB, free: 204.1 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.0003008/1.547, allocations: 67.94 kB / 1.287 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: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.0101/1.557, allocations: 2.697 MB / 1.289 GB, free: 202.9 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 5.735e-05/1.557, allocations: 8.844 kB / 1.289 GB, free: 202.9 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01375/1.571, allocations: 2.091 MB / 1.291 GB, free: 202.7 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005685/1.577, allocations: 2.006 MB / 1.293 GB, free: 202.3 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002818/1.577, allocations: 234.7 kB / 1.294 GB, free: 202.2 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001573/1.579, allocations: 304.3 kB / 1.294 GB, free: 202.2 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01421/1.593, allocations: 5.355 MB / 1.299 GB, free: 201.9 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.266e-05/1.593, allocations: 2.156 kB / 1.299 GB, free: 201.9 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000492/1.594, allocations: 125.6 kB / 1.299 GB, free: 201.9 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005763/1.594, allocations: 291.1 kB / 1.299 GB, free: 201.9 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009997/1.604, allocations: 5.017 MB / 1.304 GB, free: 201.8 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03081/1.635, allocations: 24.86 MB / 1.329 GB, free: 184.1 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.005661/1.641, allocations: 4.966 MB / 1.333 GB, free: 181 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003293/1.644, allocations: 2.307 MB / 1.336 GB, free: 180.1 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002962/1.644, allocations: 143.8 kB / 1.336 GB, free: 180 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.234e-05/1.644, allocations: 63.06 kB / 1.336 GB, free: 180 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=230): time 5.681e-06/1.644, allocations: 0.8438 kB / 1.336 GB, free: 180 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=311): time 0.1094/1.754, allocations: 31 MB / 1.366 GB, free: 173.9 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.008e-05/1.754, allocations: 247.2 kB / 1.366 GB, free: 173.7 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001591/1.756, allocations: 1.15 MB / 1.368 GB, free: 173.2 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005713/1.756, allocations: 77.05 kB / 1.368 GB, free: 173.2 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005276/1.757, allocations: 1.248 MB / 1.369 GB, free: 172.2 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0008184/1.757, allocations: 1.046 MB / 1.37 GB, free: 171.4 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002384/1.758, allocations: 66.09 kB / 1.37 GB, free: 171.4 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0001479/1.758, allocations: 442.2 kB / 1.37 GB, free: 171 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002908/1.761, allocations: 2.244 MB / 1.373 GB, free: 169.4 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003192/1.764, allocations: 2.92 MB / 1.375 GB, free: 166.5 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.003208/1.767, allocations: 2.653 MB / 1.378 GB, free: 164.3 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.142e-05/1.767, allocations: 4 kB / 1.378 GB, free: 164.3 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.0144/1.782, allocations: 8.418 MB / 1.386 GB, free: 156.9 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002032/1.784, allocations: 7.32 MB / 1.393 GB, free: 149 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.864e-05/1.784, allocations: 20 kB / 1.393 GB, free: 149 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02377/1.808, allocations: 6.758 MB / 1.4 GB, free: 142.2 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004079/1.812, allocations: 0.8189 MB / 1.401 GB, free: 141.4 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02112/1.833, allocations: 16.66 MB / 1.417 GB, free: 124.6 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004331/1.837, allocations: 0.5069 MB / 1.418 GB, free: 124.1 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005801/1.838, allocations: 179.9 kB / 1.418 GB, free: 123.9 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.497e-05/1.838, allocations: 5.094 kB / 1.418 GB, free: 123.9 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 0.003907/1.842, allocations: 2.707 MB / 1.42 GB, free: 121.2 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated