Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
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 9.0.0 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_master_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 4.876/4.876, allocations: 0.5623 GB / 0.5775 GB, free: 3.297 MB / 474.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.002494/0.002494, allocations: 358.9 kB / 0.6446 GB, free: 185.6 MB / 474.7 MB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 4.197/4.197, allocations: 410.7 MB / 1.113 GB, free: 5.973 MB / 0.6042 GB
Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001807/0.001807, allocations: 178.8 kB / 1.226 GB, free: 6.133 MB / 0.7136 GB
Notification: Performance of FrontEnd - loaded program: time 0.0005012/0.0005015, allocations: 19.98 kB / 1.349 GB, free: 8.219 MB / 0.8386 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7404/0.7409, allocations: 115.3 MB / 1.461 GB, free: 284.3 MB / 0.8542 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.2682/1.009, allocations: 200 MB / 1.657 GB, free: 84.09 MB / 0.8542 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000434/1.01, allocations: 116.9 kB / 1.657 GB, free: 83.98 MB / 0.8542 GB
Notification: Performance of FrontEnd - DAE generated: time 1.169/2.179, allocations: 135.2 MB / 1.789 GB, free: 225 MB / 0.8542 GB
Notification: Performance of FrontEnd: time 3.156e-06/2.179, allocations: 0 / 1.789 GB, free: 225 MB / 0.8542 GB
Notification: Performance of Transformations before backend: time 0.0002508/2.179, allocations: 73.59 kB / 1.789 GB, free: 225 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: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.01531/2.195, allocations: 3.128 MB / 1.792 GB, free: 223.4 MB / 0.8542 GB
Notification: Performance of prepare preOptimizeDAE: time 4.743e-05/2.195, allocations: 15.12 kB / 1.792 GB, free: 223.4 MB / 0.8542 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0225/2.217, allocations: 2.131 MB / 1.794 GB, free: 223.2 MB / 0.8542 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008684/2.226, allocations: 2.196 MB / 1.796 GB, free: 221.8 MB / 0.8542 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003703/2.226, allocations: 268.7 kB / 1.796 GB, free: 221.7 MB / 0.8542 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002303/2.229, allocations: 349.2 kB / 1.797 GB, free: 221.6 MB / 0.8542 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02658/2.255, allocations: 6.539 MB / 1.803 GB, free: 215.9 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002017/2.256, allocations: 0 / 1.803 GB, free: 215.9 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001886/2.257, allocations: 145.8 kB / 1.803 GB, free: 215.7 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009924/2.259, allocations: 314 kB / 1.804 GB, free: 215.4 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02671/2.285, allocations: 6.408 MB / 1.81 GB, free: 209 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05259/2.338, allocations: 26.73 MB / 1.836 GB, free: 180.3 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01389/2.352, allocations: 5.006 MB / 1.841 GB, free: 175.1 MB / 0.8542 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00982/2.362, allocations: 2.531 MB / 1.843 GB, free: 172.5 MB / 0.8542 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004127/2.362, allocations: 134.6 kB / 1.843 GB, free: 172.4 MB / 0.8542 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.124e-05/2.362, allocations: 68.5 kB / 1.843 GB, free: 172.3 MB / 0.8542 GB
Notification: Performance of pre-optimization done (n=208): time 5.02e-06/2.362, allocations: 0 / 1.843 GB, free: 172.3 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=277): time 0.2035/2.566, allocations: 30.99 MB / 1.874 GB, free: 141.3 MB / 0.8542 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.914e-05/2.566, allocations: 239.6 kB / 1.874 GB, free: 141 MB / 0.8542 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002838/2.569, allocations: 1.465 MB / 1.875 GB, free: 139.5 MB / 0.8542 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007923/2.57, allocations: 73.7 kB / 1.875 GB, free: 139.4 MB / 0.8542 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001055/2.571, allocations: 1.499 MB / 1.877 GB, free: 137.9 MB / 0.8542 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001442/2.572, allocations: 0.9382 MB / 1.878 GB, free: 137 MB / 0.8542 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004689/2.573, allocations: 68 kB / 1.878 GB, free: 136.9 MB / 0.8542 GB
Notification: Performance of setup shared object (initialization): time 0.0002557/2.573, allocations: 440.8 kB / 1.878 GB, free: 136.5 MB / 0.8542 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01009/2.583, allocations: 2.617 MB / 1.881 GB, free: 133.9 MB / 0.8542 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01092/2.594, allocations: 3.527 MB / 1.884 GB, free: 129.9 MB / 0.8542 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01102/2.605, allocations: 3.074 MB / 1.887 GB, free: 126.9 MB / 0.8542 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.003e-05/2.605, allocations: 8 kB / 1.887 GB, free: 126.8 MB / 0.8542 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.04187/2.647, allocations: 9.552 MB / 1.897 GB, free: 117.2 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006331/2.648, allocations: 0.8814 MB / 1.898 GB, free: 116 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.695e-05/2.648, allocations: 33.41 kB / 1.898 GB, free: 115.9 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.05542/2.703, allocations: 7.541 MB / 1.905 GB, free: 108.4 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007311/2.711, allocations: 0.8657 MB / 1.906 GB, free: 107.5 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04081/2.751, allocations: 15.32 MB / 1.921 GB, free: 92.05 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007685/2.759, allocations: 0.5534 MB / 1.921 GB, free: 91.5 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001101/2.76, allocations: 195.9 kB / 1.921 GB, free: 91.3 MB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.349e-05/2.76, allocations: 4 kB / 1.921 GB, free: 91.3 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 0.01214/2.773, allocations: 3.148 MB / 1.925 GB, free: 88.12 MB / 0.8542 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated