Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.707/1.707, allocations: 289.7 MB / 302.2 MB, free: 2.184 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001172/0.001172, allocations: 180.7 kB / 371.6 MB, free: 3.379 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.72/1.72, allocations: 205.1 MB / 0.6309 GB, free: 11.75 MB / 474.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008818/0.0008819, allocations: 87.98 kB / 0.745 GB, free: 54.66 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 3.606e-05/3.608e-05, allocations: 4 kB / 0.8664 GB, free: 14.94 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3048/0.3049, allocations: 116.3 MB / 0.9799 GB, free: 10.47 MB / 0.7136 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9575/1.262, allocations: 199.4 MB / 1.175 GB, free: 15.44 MB / 0.7605 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003656/1.263, allocations: 115.3 kB / 1.175 GB, free: 15.38 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3621/1.625, allocations: 132.6 MB / 1.304 GB, free: 5.922 MB / 0.8698 GB
Notification: Performance of FrontEnd: time 2.194e-06/1.625, allocations: 0 / 1.304 GB, free: 5.922 MB / 0.8698 GB
Notification: Performance of Transformations before backend: time 0.0002379/1.625, allocations: 68 kB / 1.304 GB, free: 5.855 MB / 0.8698 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 0.01234/1.638, allocations: 2.67 MB / 1.307 GB, free: 3.129 MB / 0.8698 GB
Notification: Performance of prepare preOptimizeDAE: time 6.612e-05/1.638, allocations: 12.03 kB / 1.307 GB, free: 3.117 MB / 0.8698 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002959/1.641, allocations: 495.3 kB / 1.307 GB, free: 2.625 MB / 0.8698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01421/1.655, allocations: 2.083 MB / 1.309 GB, free: 0.5352 MB / 0.8698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006784/1.662, allocations: 2.001 MB / 1.311 GB, free: 14.49 MB / 0.8855 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003515/1.662, allocations: 230.1 kB / 1.312 GB, free: 14.26 MB / 0.8855 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002052/1.664, allocations: 296 kB / 1.312 GB, free: 13.97 MB / 0.8855 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01959/1.684, allocations: 5.33 MB / 1.317 GB, free: 8.531 MB / 0.8855 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000176/1.684, allocations: 3.906 kB / 1.317 GB, free: 8.527 MB / 0.8855 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001648/1.686, allocations: 128 kB / 1.317 GB, free: 8.402 MB / 0.8855 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007333/1.686, allocations: 289.1 kB / 1.317 GB, free: 8.117 MB / 0.8855 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01363/1.7, allocations: 5.008 MB / 1.322 GB, free: 3.098 MB / 0.8855 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04643/1.747, allocations: 24.77 MB / 1.347 GB, free: 8.27 MB / 0.9167 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007828/1.754, allocations: 4.959 MB / 1.351 GB, free: 2.953 MB / 0.9167 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00443/1.759, allocations: 2.303 MB / 1.354 GB, free: 0.6367 MB / 0.9167 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004266/1.759, allocations: 143 kB / 1.354 GB, free: 492 kB / 0.9167 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.489e-05/1.76, allocations: 64.5 kB / 1.354 GB, free: 416 kB / 0.9167 GB
Notification: Performance of pre-optimization done (n=230): time 5.09e-06/1.76, allocations: 4 kB / 1.354 GB, free: 412 kB / 0.9167 GB
Notification: Performance of matching and sorting (n=311): time 0.1181/1.878, allocations: 30.95 MB / 1.384 GB, free: 1.449 MB / 0.948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001447/1.878, allocations: 243.8 kB / 1.384 GB, free: 1.16 MB / 0.948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001982/1.88, allocations: 1.115 MB / 1.385 GB, free: 28 kB / 0.948 GB
Notification: Performance of collectPreVariables (initialization): time 0.7677/2.648, allocations: 73.77 kB / 1.385 GB, free: 215.7 MB / 0.948 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001075/2.649, allocations: 1.231 MB / 1.387 GB, free: 215.5 MB / 0.948 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001307/2.65, allocations: 1.045 MB / 1.388 GB, free: 215 MB / 0.948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003124/2.65, allocations: 64.44 kB / 1.388 GB, free: 215 MB / 0.948 GB
Notification: Performance of setup shared object (initialization): time 0.0002382/2.651, allocations: 442.6 kB / 1.388 GB, free: 214.7 MB / 0.948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004145/2.655, allocations: 2.234 MB / 1.39 GB, free: 214.7 MB / 0.948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004393/2.659, allocations: 2.928 MB / 1.393 GB, free: 214 MB / 0.948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.004822/2.664, allocations: 2.648 MB / 1.396 GB, free: 213.9 MB / 0.948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.922e-05/2.664, allocations: 6.156 kB / 1.396 GB, free: 213.9 MB / 0.948 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02078/2.685, allocations: 8.417 MB / 1.404 GB, free: 213.7 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001843/2.687, allocations: 7.322 MB / 1.411 GB, free: 206 MB / 0.948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.303e-05/2.687, allocations: 18.75 kB / 1.411 GB, free: 206 MB / 0.948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02559/2.712, allocations: 6.761 MB / 1.418 GB, free: 206 MB / 0.948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004203/2.717, allocations: 0.8235 MB / 1.419 GB, free: 206 MB / 0.948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0239/2.741, allocations: 16.64 MB / 1.435 GB, free: 204 MB / 0.948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004993/2.746, allocations: 0.5105 MB / 1.435 GB, free: 204 MB / 0.948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007493/2.746, allocations: 185 kB / 1.436 GB, free: 204 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 2.037e-05/2.746, allocations: 6.844 kB / 1.436 GB, free: 204 MB / 0.948 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 0.004805/2.751, allocations: 2.709 MB / 1.438 GB, free: 203.8 MB / 0.948 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated