Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.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 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.605/1.605, allocations: 288.4 MB / 304.3 MB, free: 8.129 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001106/0.001106, allocations: 171.1 kB / 373 MB, free: 10.17 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.602/1.602, allocations: 205.4 MB / 0.6317 GB, free: 9.906 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009694/0.0009693, allocations: 106.3 kB / 0.745 GB, free: 5.816 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004262/0.0004262, allocations: 11.75 kB / 0.8681 GB, free: 141.8 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2323/0.2328, allocations: 115.3 MB / 0.9807 GB, free: 27.4 MB / 0.6198 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.8703/1.103, allocations: 198.5 MB / 1.175 GB, free: 60 kB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004514/1.104, allocations: 126.9 kB / 1.175 GB, free: 15.98 MB / 0.7136 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3133/1.417, allocations: 123.9 MB / 1.296 GB, free: 15.14 MB / 0.823 GB
Notification: Performance of FrontEnd: time 3.006e-06/1.417, allocations: 0 / 1.296 GB, free: 15.14 MB / 0.823 GB
Notification: Performance of Transformations before backend: time 0.0002109/1.417, allocations: 60 kB / 1.296 GB, free: 15.08 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: 863
 * Number of variables: 863
Notification: Performance of Generate backend data structure: time 0.01064/1.428, allocations: 2.805 MB / 1.298 GB, free: 12.21 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.088e-05/1.428, allocations: 12.03 kB / 1.298 GB, free: 12.2 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01308/1.441, allocations: 2.088 MB / 1.3 GB, free: 10.11 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006095/1.447, allocations: 2.025 MB / 1.302 GB, free: 8.035 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003122/1.447, allocations: 235.2 kB / 1.303 GB, free: 7.805 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001996/1.45, allocations: 296 kB / 1.303 GB, free: 7.516 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01955/1.469, allocations: 5.876 MB / 1.309 GB, free: 1.527 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001693/1.469, allocations: 0 / 1.309 GB, free: 1.527 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001586/1.471, allocations: 132 kB / 1.309 GB, free: 1.398 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006501/1.472, allocations: 289.2 kB / 1.309 GB, free: 1.113 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01732/1.489, allocations: 6.012 MB / 1.315 GB, free: 11.09 MB / 0.8386 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04114/1.53, allocations: 24.78 MB / 1.339 GB, free: 252 kB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009988/1.54, allocations: 5.465 MB / 1.345 GB, free: 10.43 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006623/1.547, allocations: 2.806 MB / 1.347 GB, free: 7.613 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004201/1.547, allocations: 139 kB / 1.347 GB, free: 7.457 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.897e-05/1.547, allocations: 64.5 kB / 1.347 GB, free: 7.387 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=230): time 5.029e-06/1.547, allocations: 0 / 1.347 GB, free: 7.387 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=311): time 0.1415/1.689, allocations: 36.52 MB / 1.383 GB, free: 2.75 MB / 0.9011 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002447/1.689, allocations: 243.9 kB / 1.383 GB, free: 2.461 MB / 0.9011 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003739/1.693, allocations: 1.245 MB / 1.385 GB, free: 1.199 MB / 0.9011 GB
Notification: Performance of collectPreVariables (initialization): time 0.001128/1.694, allocations: 77.7 kB / 1.385 GB, free: 1.117 MB / 0.9011 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0014/1.696, allocations: 1.231 MB / 1.386 GB, free: 15.86 MB / 0.9167 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002363/1.698, allocations: 1.043 MB / 1.387 GB, free: 14.8 MB / 0.9167 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008714/1.699, allocations: 67.94 kB / 1.387 GB, free: 14.74 MB / 0.9167 GB
Notification: Performance of setup shared object (initialization): time 0.0003952/1.699, allocations: 444.7 kB / 1.387 GB, free: 14.3 MB / 0.9167 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006987/1.706, allocations: 2.735 MB / 1.39 GB, free: 11.56 MB / 0.9167 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00736/1.714, allocations: 3.434 MB / 1.393 GB, free: 7.852 MB / 0.9167 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01415/1.728, allocations: 6.383 MB / 1.4 GB, free: 1.176 MB / 0.9167 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.984e-05/1.728, allocations: 4 kB / 1.4 GB, free: 1.172 MB / 0.9167 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02783/1.756, allocations: 9.858 MB / 1.409 GB, free: 7.258 MB / 0.9323 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0006394/1.757, allocations: 0.6416 MB / 1.41 GB, free: 6.352 MB / 0.9323 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.075e-05/1.757, allocations: 16 kB / 1.41 GB, free: 6.336 MB / 0.9323 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03132/1.788, allocations: 7.762 MB / 1.417 GB, free: 14.55 MB / 0.948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004482/1.792, allocations: 0.8306 MB / 1.418 GB, free: 13.72 MB / 0.948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6647/2.457, allocations: 17.34 MB / 1.435 GB, free: 269.7 MB / 0.948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004647/2.462, allocations: 0.518 MB / 1.436 GB, free: 269.7 MB / 0.948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007512/2.463, allocations: 182.4 kB / 1.436 GB, free: 269.7 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.658e-05/2.463, allocations: 11.53 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 0.008058/2.471, allocations: 3.206 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