Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package Buildings with version 10.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_latest_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_latest_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 10.0.0-master/package.mo): time 2.349/2.349, allocations: 390.3 MB / 402.8 MB, free: 6.688 MB / 314.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001148/0.001148, allocations: 164.9 kB / 496.1 MB, free: 12.89 MB / 410.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.531/1.531, allocations: 221.3 MB / 0.7915 GB, free: 5.402 MB / 0.5573 GB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009599/0.0009598, allocations: 91.94 kB / 0.9317 GB, free: 5.723 MB / 0.698 GB
Notification: Performance of FrontEnd - loaded program: time 3.684e-05/3.715e-05, allocations: 4 kB / 1.079 GB, free: 140.4 MB / 0.7292 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3336/0.3337, allocations: 143 MB / 1.219 GB, free: 13.4 MB / 0.7448 GB
Notification: Performance of FrontEnd - scodeFlatten: time 1.085/1.418, allocations: 211.6 MB / 1.426 GB, free: 8.98 MB / 0.8855 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003597/1.419, allocations: 107.3 kB / 1.426 GB, free: 8.918 MB / 0.8855 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3668/1.786, allocations: 141.2 MB / 1.564 GB, free: 392 kB / 1.01 GB
Notification: Performance of FrontEnd: time 2.886e-06/1.786, allocations: 4 kB / 1.564 GB, free: 388 kB / 1.01 GB
Notification: Performance of Transformations before backend: time 0.0001918/1.786, allocations: 63.98 kB / 1.564 GB, free: 324 kB / 1.01 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 0.01014/1.796, allocations: 2.697 MB / 1.566 GB, free: 13.56 MB / 1.026 GB
Notification: Performance of prepare preOptimizeDAE: time 6.168e-05/1.796, allocations: 12.03 kB / 1.566 GB, free: 13.55 MB / 1.026 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002384/1.799, allocations: 492.3 kB / 1.567 GB, free: 13.06 MB / 1.026 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01362/1.812, allocations: 2.091 MB / 1.569 GB, free: 10.96 MB / 1.026 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006318/1.819, allocations: 2.017 MB / 1.571 GB, free: 8.898 MB / 1.026 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003239/1.819, allocations: 230.2 kB / 1.571 GB, free: 8.672 MB / 1.026 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002171/1.821, allocations: 303.9 kB / 1.571 GB, free: 8.375 MB / 1.026 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01605/1.837, allocations: 5.352 MB / 1.576 GB, free: 2.91 MB / 1.026 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001446/1.837, allocations: 7.938 kB / 1.576 GB, free: 2.902 MB / 1.026 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001249/1.839, allocations: 128 kB / 1.577 GB, free: 2.777 MB / 1.026 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006574/1.839, allocations: 285.3 kB / 1.577 GB, free: 2.496 MB / 1.026 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01184/1.851, allocations: 5.019 MB / 1.582 GB, free: 13.46 MB / 1.042 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04083/1.892, allocations: 24.84 MB / 1.606 GB, free: 2.562 MB / 1.057 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007588/1.9, allocations: 4.978 MB / 1.611 GB, free: 13.22 MB / 1.073 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.004166/1.904, allocations: 2.307 MB / 1.613 GB, free: 10.9 MB / 1.073 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003553/1.904, allocations: 143 kB / 1.613 GB, free: 10.75 MB / 1.073 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.936e-05/1.904, allocations: 60.5 kB / 1.613 GB, free: 10.68 MB / 1.073 GB
Notification: Performance of pre-optimization done (n=230): time 4.589e-06/1.904, allocations: 0 / 1.613 GB, free: 10.68 MB / 1.073 GB
Notification: Performance of matching and sorting (n=311): time 0.1181/2.022, allocations: 31 MB / 1.644 GB, free: 11.66 MB / 1.104 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001524/2.023, allocations: 251.9 kB / 1.644 GB, free: 11.36 MB / 1.104 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002232/2.025, allocations: 1.149 MB / 1.645 GB, free: 10.2 MB / 1.104 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005936/2.025, allocations: 77.7 kB / 1.645 GB, free: 10.11 MB / 1.104 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009933/2.026, allocations: 1.246 MB / 1.646 GB, free: 8.852 MB / 1.104 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00147/2.028, allocations: 1.047 MB / 1.647 GB, free: 7.789 MB / 1.104 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004598/2.028, allocations: 64 kB / 1.647 GB, free: 7.727 MB / 1.104 GB
Notification: Performance of setup shared object (initialization): time 0.0003402/2.029, allocations: 440.7 kB / 1.648 GB, free: 7.289 MB / 1.104 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003827/2.033, allocations: 2.243 MB / 1.65 GB, free: 5.043 MB / 1.104 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004519/2.037, allocations: 2.926 MB / 1.653 GB, free: 1.848 MB / 1.104 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.004223/2.041, allocations: 2.647 MB / 1.655 GB, free: 15.18 MB / 1.12 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.194e-05/2.041, allocations: 8 kB / 1.655 GB, free: 15.17 MB / 1.12 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.01792/2.059, allocations: 8.419 MB / 1.664 GB, free: 6.699 MB / 1.12 GB
Notification: Performance of prepare postOptimizeDAE: time 0.004011/2.063, allocations: 7.324 MB / 1.671 GB, free: 14.8 MB / 1.135 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.153e-05/2.063, allocations: 20 kB / 1.671 GB, free: 14.78 MB / 1.135 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02592/2.089, allocations: 6.751 MB / 1.677 GB, free: 8.008 MB / 1.135 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004399/2.094, allocations: 0.8228 MB / 1.678 GB, free: 7.184 MB / 1.135 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0301/2.124, allocations: 16.66 MB / 1.694 GB, free: 6.355 MB / 1.151 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00483/2.129, allocations: 0.4991 MB / 1.695 GB, free: 5.855 MB / 1.151 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001082/2.13, allocations: 183.9 kB / 1.695 GB, free: 5.676 MB / 1.151 GB
Notification: Performance of prepare postOptimizeDAE: time 1.773e-05/2.13, allocations: 5.875 kB / 1.695 GB, free: 5.672 MB / 1.151 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 0.006363/2.136, allocations: 2.719 MB / 1.698 GB, free: 2.938 MB / 1.151 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated