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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.494/1.494, allocations: 249.3 MB / 261.8 MB, free: 5.859 MB / 202.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00105/0.00105, allocations: 174.7 kB / 321.3 MB, free: 14.66 MB / 266.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.338/1.338, allocations: 205.2 MB / 0.572 GB, free: 10.6 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009803/0.0009802, allocations: 100.6 kB / 0.6764 GB, free: 15.57 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 3.811e-05/3.854e-05, allocations: 4 kB / 0.788 GB, free: 97.06 MB / 0.5417 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1662/0.1662, allocations: 106.3 MB / 0.8918 GB, free: 6.641 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.6754/0.8417, allocations: 192.8 MB / 1.08 GB, free: 8.418 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003387/0.8421, allocations: 117.3 kB / 1.08 GB, free: 8.348 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3003/1.142, allocations: 124.1 MB / 1.201 GB, free: 1.27 MB / 0.8073 GB
Notification: Performance of FrontEnd: time 1.162e-06/1.142, allocations: 0 / 1.201 GB, free: 1.27 MB / 0.8073 GB
Notification: Performance of Transformations before backend: time 0.0001081/1.143, allocations: 67.98 kB / 1.201 GB, free: 1.203 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 0.005824/1.148, allocations: 2.697 MB / 1.204 GB, free: 14.45 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 4.897e-05/1.148, allocations: 16.02 kB / 1.204 GB, free: 14.43 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01243/1.161, allocations: 2.087 MB / 1.206 GB, free: 12.34 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004944/1.166, allocations: 2.005 MB / 1.208 GB, free: 10.29 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001954/1.166, allocations: 234.2 kB / 1.208 GB, free: 10.06 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001003/1.167, allocations: 303.9 kB / 1.209 GB, free: 9.762 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01081/1.178, allocations: 5.351 MB / 1.214 GB, free: 4.301 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.805e-05/1.178, allocations: 0 / 1.214 GB, free: 4.301 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004012/1.178, allocations: 132 kB / 1.214 GB, free: 4.172 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005401/1.179, allocations: 293.3 kB / 1.214 GB, free: 3.883 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009389/1.188, allocations: 5.031 MB / 1.219 GB, free: 14.84 MB / 0.8386 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03036/1.219, allocations: 24.84 MB / 1.243 GB, free: 3.938 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.006046/1.225, allocations: 4.974 MB / 1.248 GB, free: 14.61 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003356/1.228, allocations: 2.302 MB / 1.25 GB, free: 12.29 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002767/1.228, allocations: 139 kB / 1.251 GB, free: 12.14 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.209e-05/1.229, allocations: 72.45 kB / 1.251 GB, free: 12.05 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=230): time 3.727e-06/1.229, allocations: 0 / 1.251 GB, free: 12.05 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=311): time 0.5618/1.79, allocations: 30.98 MB / 1.281 GB, free: 243.3 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001114/1.79, allocations: 244.9 kB / 1.281 GB, free: 243.1 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002737/1.793, allocations: 1.154 MB / 1.282 GB, free: 242.9 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0006166/1.794, allocations: 76.95 kB / 1.282 GB, free: 242.9 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001045/1.795, allocations: 1.253 MB / 1.284 GB, free: 242.3 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001505/1.796, allocations: 1.049 MB / 1.285 GB, free: 241.8 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000543/1.797, allocations: 64.28 kB / 1.285 GB, free: 241.8 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.0003093/1.797, allocations: 438 kB / 1.285 GB, free: 241.4 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00418/1.801, allocations: 2.236 MB / 1.287 GB, free: 241.4 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00466/1.806, allocations: 2.922 MB / 1.29 GB, free: 240.7 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.004778/1.811, allocations: 2.658 MB / 1.293 GB, free: 240.7 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.145e-05/1.811, allocations: 9.734 kB / 1.293 GB, free: 240.7 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.01914/1.83, allocations: 8.419 MB / 1.301 GB, free: 240.4 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001557/1.832, allocations: 7.32 MB / 1.308 GB, free: 232.8 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.689e-05/1.832, allocations: 19.41 kB / 1.308 GB, free: 232.8 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02424/1.856, allocations: 6.75 MB / 1.315 GB, free: 232.7 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003912/1.86, allocations: 0.8275 MB / 1.316 GB, free: 232.7 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02292/1.883, allocations: 16.65 MB / 1.332 GB, free: 227.7 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004329/1.887, allocations: 0.5097 MB / 1.332 GB, free: 227.7 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005016/1.888, allocations: 181.3 kB / 1.332 GB, free: 227.6 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.255e-05/1.888, allocations: 4.281 kB / 1.332 GB, free: 227.6 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 0.003886/1.892, allocations: 2.706 MB / 1.335 GB, free: 226.6 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated