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.UnbalancedStepDown.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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.628/1.628, allocations: 249.3 MB / 261.8 MB, free: 5.832 MB / 202.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001395/0.001395, allocations: 174.5 kB / 321.3 MB, free: 14.64 MB / 266.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.635/1.635, allocations: 205.2 MB / 0.572 GB, free: 10.7 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008842/0.0008843, allocations: 92.31 kB / 0.6764 GB, free: 15.66 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 4.142e-05/4.145e-05, allocations: 0 / 0.7881 GB, free: 96.98 MB / 0.5417 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2349/0.235, allocations: 106.3 MB / 0.8919 GB, free: 6.539 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.8529/1.088, allocations: 192.8 MB / 1.08 GB, free: 8.438 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003645/1.088, allocations: 119.8 kB / 1.08 GB, free: 8.367 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3225/1.411, allocations: 124.1 MB / 1.201 GB, free: 1.207 MB / 0.8073 GB
Notification: Performance of FrontEnd: time 2.094e-06/1.411, allocations: 0 / 1.201 GB, free: 1.207 MB / 0.8073 GB
Notification: Performance of Transformations before backend: time 0.0001545/1.411, allocations: 68 kB / 1.202 GB, free: 1.141 MB / 0.8073 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 0.009254/1.42, allocations: 2.701 MB / 1.204 GB, free: 14.38 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.831e-05/1.42, allocations: 8.031 kB / 1.204 GB, free: 14.38 MB / 0.823 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002082/1.423, allocations: 0.4885 MB / 1.205 GB, free: 13.88 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01417/1.437, allocations: 2.087 MB / 1.207 GB, free: 11.78 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0069/1.444, allocations: 2.001 MB / 1.209 GB, free: 9.734 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002961/1.444, allocations: 234.2 kB / 1.209 GB, free: 9.504 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002049/1.446, allocations: 304 kB / 1.209 GB, free: 9.207 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01361/1.46, allocations: 5.347 MB / 1.214 GB, free: 3.75 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.032e-05/1.46, allocations: 7.984 kB / 1.214 GB, free: 3.742 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004461/1.46, allocations: 128 kB / 1.214 GB, free: 3.617 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005866/1.461, allocations: 289.3 kB / 1.215 GB, free: 3.332 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01147/1.472, allocations: 5.031 MB / 1.22 GB, free: 14.29 MB / 0.8386 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04358/1.516, allocations: 24.86 MB / 1.244 GB, free: 3.363 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.006945/1.523, allocations: 4.95 MB / 1.249 GB, free: 14.06 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003995/1.527, allocations: 2.313 MB / 1.251 GB, free: 11.73 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003213/1.527, allocations: 139 kB / 1.251 GB, free: 11.57 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.272e-05/1.527, allocations: 72.5 kB / 1.251 GB, free: 11.49 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=230): time 5.12e-06/1.527, allocations: 0 / 1.251 GB, free: 11.49 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=311): time 0.9096/2.437, allocations: 30.98 MB / 1.281 GB, free: 243 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000107/2.437, allocations: 251.3 kB / 1.282 GB, free: 242.7 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002314/2.44, allocations: 1.15 MB / 1.283 GB, free: 242.6 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009154/2.44, allocations: 75.84 kB / 1.283 GB, free: 242.5 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001021/2.442, allocations: 1.244 MB / 1.284 GB, free: 242 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001737/2.443, allocations: 1.052 MB / 1.285 GB, free: 241.4 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000265/2.444, allocations: 64.53 kB / 1.285 GB, free: 241.4 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.000254/2.444, allocations: 443.5 kB / 1.286 GB, free: 241.1 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003891/2.448, allocations: 2.233 MB / 1.288 GB, free: 241.1 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004374/2.452, allocations: 2.921 MB / 1.291 GB, free: 240.4 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.004301/2.456, allocations: 2.654 MB / 1.293 GB, free: 240.3 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.992e-05/2.456, allocations: 12.83 kB / 1.293 GB, free: 240.3 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.01898/2.475, allocations: 8.42 MB / 1.302 GB, free: 240.1 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001785/2.477, allocations: 7.314 MB / 1.309 GB, free: 232.4 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.168e-05/2.477, allocations: 19.78 kB / 1.309 GB, free: 232.4 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02362/2.501, allocations: 6.756 MB / 1.315 GB, free: 232.3 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003956/2.505, allocations: 0.8241 MB / 1.316 GB, free: 232.3 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02289/2.528, allocations: 16.66 MB / 1.332 GB, free: 227.4 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00471/2.533, allocations: 0.5028 MB / 1.333 GB, free: 227.3 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007069/2.533, allocations: 186.3 kB / 1.333 GB, free: 227.3 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.534e-05/2.533, allocations: 4 kB / 1.333 GB, free: 227.3 MB / 0.8698 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 0.00422/2.538, allocations: 2.707 MB / 1.336 GB, free: 226.3 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated