Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD.conf.json
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
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 8.0.0 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_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_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.553/2.553, allocations: 284.8 MB / 297.3 MB, free: 6.359 MB / 234.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00138/0.00138, allocations: 173 kB / 365.7 MB, free: 2.605 MB / 298.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.922/1.922, allocations: 205.1 MB / 0.6241 GB, free: 8.203 MB / 474.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001051/0.001051, allocations: 92.17 kB / 0.7372 GB, free: 40.75 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 3.926e-05/3.941e-05, allocations: 4 kB / 0.8575 GB, free: 13.67 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8193/0.8194, allocations: 115.2 MB / 0.97 GB, free: 78.25 MB / 0.6667 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.3212/1.141, allocations: 198.2 MB / 1.164 GB, free: 2.125 MB / 0.7605 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0005173/1.141, allocations: 118.4 kB / 1.164 GB, free: 2.012 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 1.225/2.366, allocations: 123.4 MB / 1.284 GB, free: 203.8 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 2.264e-06/2.366, allocations: 0 / 1.284 GB, free: 203.8 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.0002013/2.366, allocations: 66.91 kB / 1.284 GB, free: 203.8 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 0.01265/2.379, allocations: 2.673 MB / 1.287 GB, free: 202.6 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 5.221e-05/2.379, allocations: 8.125 kB / 1.287 GB, free: 202.6 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02246/2.402, allocations: 2.086 MB / 1.289 GB, free: 202.4 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007718/2.409, allocations: 1.997 MB / 1.291 GB, free: 202 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000359/2.41, allocations: 230.7 kB / 1.291 GB, free: 202 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002047/2.412, allocations: 298.7 kB / 1.291 GB, free: 202 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0196/2.431, allocations: 5.323 MB / 1.297 GB, free: 201.6 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001474/2.432, allocations: 2.688 kB / 1.297 GB, free: 201.6 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001691/2.433, allocations: 131.7 kB / 1.297 GB, free: 201.6 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.00103/2.434, allocations: 287.4 kB / 1.297 GB, free: 201.6 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01688/2.451, allocations: 5.007 MB / 1.302 GB, free: 201.6 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05201/2.503, allocations: 24.75 MB / 1.326 GB, free: 184.3 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009914/2.513, allocations: 4.978 MB / 1.331 GB, free: 181.2 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005958/2.519, allocations: 2.308 MB / 1.333 GB, free: 180.3 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004425/2.52, allocations: 134.7 kB / 1.333 GB, free: 180.2 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.38e-05/2.52, allocations: 73.14 kB / 1.333 GB, free: 180.2 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=230): time 5.51e-06/2.52, allocations: 0 / 1.333 GB, free: 180.2 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=311): time 0.2127/2.733, allocations: 30.95 MB / 1.364 GB, free: 174.2 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001318/2.733, allocations: 247.4 kB / 1.364 GB, free: 173.9 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002275/2.735, allocations: 1.115 MB / 1.365 GB, free: 173.5 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009424/2.736, allocations: 81.7 kB / 1.365 GB, free: 173.4 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008454/2.737, allocations: 1.232 MB / 1.366 GB, free: 172.5 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001737/2.739, allocations: 1.041 MB / 1.367 GB, free: 171.6 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000495/2.739, allocations: 65.81 kB / 1.367 GB, free: 171.6 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.000264/2.739, allocations: 440.5 kB / 1.368 GB, free: 171.2 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005797/2.745, allocations: 2.235 MB / 1.37 GB, free: 170.4 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006886/2.752, allocations: 2.926 MB / 1.373 GB, free: 168.1 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006901/2.759, allocations: 2.656 MB / 1.375 GB, free: 165.8 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.438e-05/2.759, allocations: 8 kB / 1.375 GB, free: 165.8 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02755/2.787, allocations: 8.414 MB / 1.384 GB, free: 159 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001509/2.788, allocations: 7.318 MB / 1.391 GB, free: 151.2 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.932e-05/2.788, allocations: 23.28 kB / 1.391 GB, free: 151.1 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04407/2.833, allocations: 6.757 MB / 1.397 GB, free: 145 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007199/2.84, allocations: 0.8267 MB / 1.398 GB, free: 144.2 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0385/2.878, allocations: 16.65 MB / 1.414 GB, free: 127.4 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007373/2.886, allocations: 0.5029 MB / 1.415 GB, free: 126.9 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001051/2.887, allocations: 183.9 kB / 1.415 GB, free: 126.7 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.481e-05/2.887, allocations: 4 kB / 1.415 GB, free: 126.7 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 0.007478/2.894, allocations: 2.703 MB / 1.418 GB, free: 124 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated