Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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.7.0.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.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.365/1.365, allocations: 252 MB / 267.9 MB, free: 10.93 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009759/0.000976, allocations: 180.2 kB / 327.6 MB, free: 2.168 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.569/1.569, allocations: 205.4 MB / 0.5785 GB, free: 20.23 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008018/0.0008019, allocations: 86.44 kB / 0.6831 GB, free: 12.84 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.000434/0.0004338, allocations: 12.94 kB / 0.7974 GB, free: 135.2 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2171/0.2176, allocations: 106.3 MB / 0.9013 GB, free: 63.67 MB / 0.6042 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.7244/0.942, allocations: 192.2 MB / 1.089 GB, free: 52.27 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003225/0.9424, allocations: 116.3 kB / 1.089 GB, free: 52.27 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.2786/1.221, allocations: 123.9 MB / 1.21 GB, free: 11.89 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 5.751e-06/1.221, allocations: 0 / 1.21 GB, free: 11.89 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 0.0002946/1.221, allocations: 64 kB / 1.21 GB, free: 11.83 MB / 0.7136 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 0.01268/1.234, allocations: 2.8 MB / 1.213 GB, free: 9.172 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 5.078e-05/1.234, allocations: 11.97 kB / 1.213 GB, free: 9.16 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01282/1.247, allocations: 2.087 MB / 1.215 GB, free: 7.07 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006703/1.254, allocations: 2.035 MB / 1.217 GB, free: 5.445 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003807/1.254, allocations: 229.4 kB / 1.217 GB, free: 5.23 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002367/1.257, allocations: 301.1 kB / 1.217 GB, free: 4.945 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02198/1.279, allocations: 5.862 MB / 1.223 GB, free: 15 MB / 0.7292 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001914/1.279, allocations: 11.94 kB / 1.223 GB, free: 14.99 MB / 0.7292 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001887/1.281, allocations: 126.6 kB / 1.223 GB, free: 14.88 MB / 0.7292 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007082/1.281, allocations: 285.2 kB / 1.223 GB, free: 14.59 MB / 0.7292 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01931/1.301, allocations: 6.012 MB / 1.229 GB, free: 8.566 MB / 0.7292 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04952/1.35, allocations: 24.79 MB / 1.254 GB, free: 13.84 MB / 0.7605 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01057/1.361, allocations: 5.46 MB / 1.259 GB, free: 8.023 MB / 0.7605 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006142/1.367, allocations: 2.801 MB / 1.262 GB, free: 5.215 MB / 0.7605 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003617/1.368, allocations: 141.7 kB / 1.262 GB, free: 5.066 MB / 0.7605 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.156e-05/1.368, allocations: 72.45 kB / 1.262 GB, free: 4.988 MB / 0.7605 GB
Notification: Performance of pre-optimization done (n=230): time 6.262e-06/1.368, allocations: 7.875 kB / 1.262 GB, free: 4.98 MB / 0.7605 GB
Notification: Performance of matching and sorting (n=311): time 0.1226/1.49, allocations: 36.5 MB / 1.297 GB, free: 444 kB / 0.7917 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000127/1.491, allocations: 247.8 kB / 1.298 GB, free: 144 kB / 0.7917 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002029/1.493, allocations: 1.249 MB / 1.299 GB, free: 14.88 MB / 0.8073 GB
Notification: Performance of collectPreVariables (initialization): time 0.000716/1.493, allocations: 73.7 kB / 1.299 GB, free: 14.8 MB / 0.8073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007525/1.494, allocations: 1.234 MB / 1.3 GB, free: 13.55 MB / 0.8073 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001163/1.495, allocations: 1.05 MB / 1.301 GB, free: 12.51 MB / 0.8073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002365/1.496, allocations: 64 kB / 1.301 GB, free: 12.45 MB / 0.8073 GB
Notification: Performance of setup shared object (initialization): time 0.0002329/1.496, allocations: 440.7 kB / 1.302 GB, free: 12.01 MB / 0.8073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005389/1.501, allocations: 2.727 MB / 1.304 GB, free: 9.281 MB / 0.8073 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005892/1.507, allocations: 3.441 MB / 1.308 GB, free: 5.57 MB / 0.8073 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01165/1.519, allocations: 6.383 MB / 1.314 GB, free: 14.89 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.197e-05/1.519, allocations: 4 kB / 1.314 GB, free: 14.89 MB / 0.823 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02251/1.541, allocations: 9.861 MB / 1.324 GB, free: 4.977 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005398/1.542, allocations: 0.6322 MB / 1.324 GB, free: 4.078 MB / 0.823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.965e-05/1.542, allocations: 20 kB / 1.324 GB, free: 4.059 MB / 0.823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0279/1.57, allocations: 7.767 MB / 1.332 GB, free: 12.28 MB / 0.8386 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003737/1.574, allocations: 0.8267 MB / 1.333 GB, free: 11.45 MB / 0.8386 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02676/1.6, allocations: 17.33 MB / 1.35 GB, free: 9.949 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004243/1.605, allocations: 0.5302 MB / 1.35 GB, free: 9.418 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005776/1.605, allocations: 179.9 kB / 1.35 GB, free: 9.242 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.264e-05/1.605, allocations: 5.719 kB / 1.35 GB, free: 9.238 MB / 0.8542 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.006647/1.612, allocations: 3.212 MB / 1.353 GB, free: 6.004 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated