Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/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 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_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_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.556/2.556, allocations: 287.5 MB / 303.2 MB, free: 8.277 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00132/0.00132, allocations: 184.5 kB / 371.8 MB, free: 10.82 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.124/2.124, allocations: 205.4 MB / 0.6305 GB, free: 10.54 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009259/0.0009257, allocations: 100.5 kB / 0.7438 GB, free: 6.539 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004626/0.0004627, allocations: 11.16 kB / 0.8668 GB, free: 140.7 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2101/0.2106, allocations: 115.3 MB / 0.9793 GB, free: 28.17 MB / 0.6198 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.008/1.218, allocations: 199 MB / 1.174 GB, free: 0.9492 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004467/1.219, allocations: 121.9 kB / 1.174 GB, free: 0.875 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5373/1.756, allocations: 124.5 MB / 1.295 GB, free: 15.34 MB / 0.823 GB
Notification: Performance of FrontEnd: time 2.665e-06/1.756, allocations: 0 / 1.295 GB, free: 15.34 MB / 0.823 GB
Notification: Performance of Transformations before backend: time 0.0002012/1.756, allocations: 67.98 kB / 1.295 GB, free: 15.27 MB / 0.823 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 0.01227/1.769, allocations: 2.821 MB / 1.298 GB, free: 12.39 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.494e-05/1.769, allocations: 12.03 kB / 1.298 GB, free: 12.38 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02248/1.791, allocations: 2.092 MB / 1.3 GB, free: 10.29 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.007295/1.799, allocations: 2.045 MB / 1.302 GB, free: 8.191 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003752/1.799, allocations: 235.3 kB / 1.302 GB, free: 7.961 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001785/1.801, allocations: 304 kB / 1.303 GB, free: 7.664 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02486/1.826, allocations: 5.888 MB / 1.309 GB, free: 1.664 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000169/1.826, allocations: 11.84 kB / 1.309 GB, free: 1.652 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001661/1.828, allocations: 128 kB / 1.309 GB, free: 1.527 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001012/1.829, allocations: 289.3 kB / 1.309 GB, free: 1.242 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02803/1.857, allocations: 6.028 MB / 1.315 GB, free: 11.2 MB / 0.8386 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05666/1.913, allocations: 24.84 MB / 1.339 GB, free: 304 kB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01713/1.931, allocations: 5.477 MB / 1.344 GB, free: 10.47 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01202/1.943, allocations: 2.794 MB / 1.347 GB, free: 7.66 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005756/1.943, allocations: 143 kB / 1.347 GB, free: 7.5 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.063e-05/1.943, allocations: 76.39 kB / 1.347 GB, free: 7.418 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=230): time 6.793e-06/1.944, allocations: 0 / 1.347 GB, free: 7.418 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=311): time 0.2626/2.206, allocations: 36.57 MB / 1.383 GB, free: 2.738 MB / 0.9011 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001688/2.206, allocations: 247.8 kB / 1.383 GB, free: 2.445 MB / 0.9011 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003007/2.209, allocations: 1.295 MB / 1.385 GB, free: 1.137 MB / 0.9011 GB
Notification: Performance of collectPreVariables (initialization): time 0.000849/2.21, allocations: 73.7 kB / 1.385 GB, free: 1.059 MB / 0.9011 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001352/2.212, allocations: 1.254 MB / 1.386 GB, free: 15.78 MB / 0.9167 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002007/2.214, allocations: 1.04 MB / 1.387 GB, free: 14.73 MB / 0.9167 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004876/2.214, allocations: 68 kB / 1.387 GB, free: 14.66 MB / 0.9167 GB
Notification: Performance of setup shared object (initialization): time 0.0003628/2.215, allocations: 444.7 kB / 1.387 GB, free: 14.22 MB / 0.9167 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01162/2.226, allocations: 2.731 MB / 1.39 GB, free: 11.48 MB / 0.9167 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01279/2.239, allocations: 3.434 MB / 1.393 GB, free: 7.781 MB / 0.9167 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.02501/2.264, allocations: 6.38 MB / 1.4 GB, free: 1.109 MB / 0.9167 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.217e-05/2.264, allocations: 8 kB / 1.4 GB, free: 1.102 MB / 0.9167 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.04763/2.312, allocations: 9.857 MB / 1.409 GB, free: 7.188 MB / 0.9323 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006857/2.313, allocations: 0.6377 MB / 1.41 GB, free: 6.285 MB / 0.9323 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.341e-05/2.313, allocations: 20 kB / 1.41 GB, free: 6.266 MB / 0.9323 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05847/2.371, allocations: 7.762 MB / 1.417 GB, free: 14.48 MB / 0.948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007459/2.379, allocations: 0.8228 MB / 1.418 GB, free: 13.66 MB / 0.948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7096/3.088, allocations: 17.34 MB / 1.435 GB, free: 269.7 MB / 0.948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007354/3.096, allocations: 0.524 MB / 1.436 GB, free: 269.7 MB / 0.948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009889/3.097, allocations: 187.6 kB / 1.436 GB, free: 269.7 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.356e-05/3.097, allocations: 2.781 kB / 1.436 GB, free: 269.7 MB / 0.948 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 0.01317/3.11, allocations: 3.201 MB / 1.439 GB, free: 269.6 MB / 0.948 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated