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.BalancedStepDown.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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,fileNamePrefix="Buildings_maint_7_0_x_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_maint_7_0_x_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 7.0.3-maint.7.0.x/package.mo): time 1.499/1.499, allocations: 249.3 MB / 261.8 MB, free: 5.891 MB / 202.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001844/0.001844, allocations: 182.7 kB / 321.3 MB, free: 14.65 MB / 266.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.752/1.752, allocations: 205.2 MB / 0.572 GB, free: 10.61 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008989/0.0008986, allocations: 86.52 kB / 0.6764 GB, free: 15.59 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 3.296e-05/3.3e-05, allocations: 4 kB / 0.7881 GB, free: 96.96 MB / 0.5417 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2457/0.2457, allocations: 106.3 MB / 0.8919 GB, free: 6.531 MB / 0.5573 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.8651/1.111, allocations: 192.1 MB / 1.079 GB, free: 9.102 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003947/1.111, allocations: 118.8 kB / 1.08 GB, free: 9.031 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3173/1.429, allocations: 123.4 MB / 1.2 GB, free: 2.578 MB / 0.8073 GB
Notification: Performance of FrontEnd: time 1.963e-06/1.429, allocations: 0 / 1.2 GB, free: 2.578 MB / 0.8073 GB
Notification: Performance of Transformations before backend: time 0.0001482/1.429, allocations: 67.98 kB / 1.2 GB, free: 2.512 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: 863
 * Number of variables: 863
Notification: Performance of Generate backend data structure: time 0.009976/1.439, allocations: 2.677 MB / 1.203 GB, free: 15.78 MB / 0.823 GB
Notification: Performance of prepare preOptimizeDAE: time 6.339e-05/1.439, allocations: 12.03 kB / 1.203 GB, free: 15.77 MB / 0.823 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002087/1.441, allocations: 488 kB / 1.203 GB, free: 15.28 MB / 0.823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01365/1.455, allocations: 2.079 MB / 1.205 GB, free: 13.19 MB / 0.823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006107/1.461, allocations: 1.997 MB / 1.207 GB, free: 11.15 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003017/1.461, allocations: 230.1 kB / 1.207 GB, free: 10.92 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001909/1.463, allocations: 304 kB / 1.208 GB, free: 10.62 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0132/1.476, allocations: 5.314 MB / 1.213 GB, free: 5.199 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.929e-05/1.477, allocations: 7.938 kB / 1.213 GB, free: 5.191 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004338/1.477, allocations: 120 kB / 1.213 GB, free: 5.074 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005989/1.478, allocations: 297.2 kB / 1.213 GB, free: 4.781 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01086/1.488, allocations: 5.015 MB / 1.218 GB, free: 15.75 MB / 0.8386 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04428/1.533, allocations: 24.76 MB / 1.242 GB, free: 4.934 MB / 0.8542 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007703/1.541, allocations: 4.971 MB / 1.247 GB, free: 15.61 MB / 0.8698 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003864/1.545, allocations: 2.313 MB / 1.25 GB, free: 13.27 MB / 0.8698 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003182/1.545, allocations: 143 kB / 1.25 GB, free: 13.12 MB / 0.8698 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.23e-05/1.545, allocations: 64.56 kB / 1.25 GB, free: 13.04 MB / 0.8698 GB
Notification: Performance of pre-optimization done (n=230): time 4.508e-06/1.545, allocations: 0 / 1.25 GB, free: 13.04 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=311): time 0.7811/2.326, allocations: 30.94 MB / 1.28 GB, free: 243.6 MB / 0.8698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001165/2.326, allocations: 241.8 kB / 1.28 GB, free: 243.3 MB / 0.8698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002322/2.329, allocations: 1.114 MB / 1.281 GB, free: 243.2 MB / 0.8698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008657/2.329, allocations: 76.95 kB / 1.281 GB, free: 243.1 MB / 0.8698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001076/2.33, allocations: 1.234 MB / 1.283 GB, free: 242.6 MB / 0.8698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001967/2.332, allocations: 1.047 MB / 1.284 GB, free: 242 MB / 0.8698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002926/2.333, allocations: 63.06 kB / 1.284 GB, free: 242 MB / 0.8698 GB
Notification: Performance of setup shared object (initialization): time 0.0004066/2.333, allocations: 441.3 kB / 1.284 GB, free: 241.7 MB / 0.8698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.004331/2.338, allocations: 2.237 MB / 1.286 GB, free: 241.7 MB / 0.8698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.004705/2.342, allocations: 2.92 MB / 1.289 GB, free: 241 MB / 0.8698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.00464/2.347, allocations: 2.657 MB / 1.292 GB, free: 240.9 MB / 0.8698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.282e-05/2.347, allocations: 9.328 kB / 1.292 GB, free: 240.9 MB / 0.8698 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.01787/2.365, allocations: 8.417 MB / 1.3 GB, free: 240.7 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.001657/2.367, allocations: 7.31 MB / 1.307 GB, free: 233 MB / 0.8698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.685e-05/2.367, allocations: 19.69 kB / 1.307 GB, free: 233 MB / 0.8698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0241/2.391, allocations: 6.757 MB / 1.314 GB, free: 233 MB / 0.8698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004143/2.395, allocations: 0.8259 MB / 1.314 GB, free: 233 MB / 0.8698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02754/2.422, allocations: 16.66 MB / 1.331 GB, free: 228.1 MB / 0.8698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005165/2.428, allocations: 0.4934 MB / 1.331 GB, free: 228 MB / 0.8698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001177/2.429, allocations: 186.7 kB / 1.331 GB, free: 228 MB / 0.8698 GB
Notification: Performance of prepare postOptimizeDAE: time 2.097e-05/2.429, allocations: 4.562 kB / 1.331 GB, free: 228 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 0.006082/2.435, allocations: 2.703 MB / 1.334 GB, free: 227 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated