Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/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 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_8_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_8_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.818/2.818, allocations: 287.5 MB / 302.4 MB, free: 8.242 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001289/0.001289, allocations: 174.1 kB / 371 MB, free: 10.88 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.235/2.235, allocations: 205.4 MB / 0.6297 GB, free: 10.65 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001015/0.001015, allocations: 97.27 kB / 0.743 GB, free: 6.633 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0006654/0.0006656, allocations: 11.72 kB / 0.8659 GB, free: 140.2 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2278/0.2285, allocations: 115.3 MB / 0.9785 GB, free: 28.25 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.024/0.2526, allocations: 16.46 MB / 0.9946 GB, free: 11.73 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.01371/0.2663, allocations: 6.466 MB / 1.001 GB, free: 5.254 MB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002063/0.2685, allocations: 47.81 kB / 1.001 GB, free: 5.207 MB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.001467/0.2699, allocations: 365.4 kB / 1.001 GB, free: 4.848 MB / 0.6198 GB Notification: Performance of NFTyping.typeBindings: time 0.004115/0.2741, allocations: 1.128 MB / 1.002 GB, free: 3.715 MB / 0.6198 GB Notification: Performance of NFTyping.typeClassSections: time 0.003616/0.2778, allocations: 0.7654 MB / 1.003 GB, free: 2.949 MB / 0.6198 GB Notification: Performance of NFFlatten.flatten: time 0.01002/0.2878, allocations: 6.462 MB / 1.009 GB, free: 12.47 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01791/0.3058, allocations: 7.439 MB / 1.017 GB, free: 4.973 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004483/0.3103, allocations: 1.701 MB / 1.018 GB, free: 3.266 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006508/0.3169, allocations: 2.602 MB / 1.021 GB, free: 0.6562 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.001362/0.3183, allocations: 240 kB / 1.021 GB, free: 432 kB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003406/0.3217, allocations: 0.6711 MB / 1.022 GB, free: 15.75 MB / 0.6511 GB Notification: Performance of NFScalarize.scalarize: time 0.004083/0.3259, allocations: 1.887 MB / 1.024 GB, free: 13.86 MB / 0.6511 GB Notification: Performance of NFVerifyModel.verify: time 0.00192/0.3278, allocations: 0.6875 MB / 1.024 GB, free: 13.16 MB / 0.6511 GB Notification: Performance of NFConvertDAE.convert: time 0.01116/0.339, allocations: 6.409 MB / 1.031 GB, free: 6.738 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 6.402e-06/0.3391, allocations: 4 kB / 1.031 GB, free: 6.734 MB / 0.6511 GB Notification: Performance of FrontEnd: time 2.364e-06/0.3391, allocations: 0 / 1.031 GB, free: 6.734 MB / 0.6511 GB Notification: Performance of Transformations before backend: time 0.0002306/0.3393, allocations: 0 / 1.031 GB, free: 6.734 MB / 0.6511 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01211/0.3515, allocations: 3.105 MB / 1.034 GB, free: 3.57 MB / 0.6511 GB Notification: Performance of prepare preOptimizeDAE: time 5.949e-05/0.3515, allocations: 12.02 kB / 1.034 GB, free: 3.559 MB / 0.6511 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002332/0.3539, allocations: 0.5382 MB / 1.034 GB, free: 3.012 MB / 0.6511 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02249/0.3764, allocations: 2.344 MB / 1.036 GB, free: 0.6602 MB / 0.6511 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007449/0.3839, allocations: 2.119 MB / 1.038 GB, free: 14.49 MB / 0.6667 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004259/0.3844, allocations: 267 kB / 1.039 GB, free: 14.23 MB / 0.6667 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001883/0.3863, allocations: 344 kB / 1.039 GB, free: 13.89 MB / 0.6667 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02633/0.4126, allocations: 7.064 MB / 1.046 GB, free: 6.727 MB / 0.6667 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001205/0.4128, allocations: 7.938 kB / 1.046 GB, free: 6.719 MB / 0.6667 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009137/0.4137, allocations: 148 kB / 1.046 GB, free: 6.574 MB / 0.6667 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008628/0.4146, allocations: 330 kB / 1.046 GB, free: 6.25 MB / 0.6667 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02965/0.4443, allocations: 6.965 MB / 1.053 GB, free: 15.27 MB / 0.6823 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.7149/1.159, allocations: 26.56 MB / 1.079 GB, free: 71.64 MB / 0.6823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01657/1.176, allocations: 4.981 MB / 1.084 GB, free: 68.93 MB / 0.6823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01194/1.188, allocations: 2.606 MB / 1.087 GB, free: 68.16 MB / 0.6823 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005885/1.189, allocations: 128.6 kB / 1.087 GB, free: 68.06 MB / 0.6823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.268e-05/1.189, allocations: 64.72 kB / 1.087 GB, free: 68 MB / 0.6823 GB Notification: Performance of pre-optimization done (n=208): time 5.811e-06/1.189, allocations: 0 / 1.087 GB, free: 68 MB / 0.6823 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.2038/1.392, allocations: 30.92 MB / 1.117 GB, free: 56.29 MB / 0.6823 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.922e-05/1.393, allocations: 237.9 kB / 1.117 GB, free: 56.04 MB / 0.6823 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002936/1.396, allocations: 1.396 MB / 1.119 GB, free: 55.28 MB / 0.6823 GB Notification: Performance of collectPreVariables (initialization): time 0.0007348/1.396, allocations: 72.95 kB / 1.119 GB, free: 55.21 MB / 0.6823 GB Notification: Performance of collectInitialEqns (initialization): time 0.001091/1.397, allocations: 1.479 MB / 1.12 GB, free: 53.91 MB / 0.6823 GB Notification: Performance of collectInitialBindings (initialization): time 0.001598/1.399, allocations: 0.9209 MB / 1.121 GB, free: 53.12 MB / 0.6823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004708/1.4, allocations: 62.88 kB / 1.121 GB, free: 53.07 MB / 0.6823 GB Notification: Performance of setup shared object (initialization): time 0.0002359/1.4, allocations: 441.3 kB / 1.121 GB, free: 52.67 MB / 0.6823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01028/1.41, allocations: 2.641 MB / 1.124 GB, free: 51.3 MB / 0.6823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01114/1.421, allocations: 3.545 MB / 1.127 GB, free: 48.79 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01118/1.433, allocations: 3.095 MB / 1.131 GB, free: 46.55 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.494e-05/1.433, allocations: 8 kB / 1.131 GB, free: 46.54 MB / 0.6823 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.04999/1.483, allocations: 10.99 MB / 1.141 GB, free: 35.45 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005738/1.483, allocations: 0.8649 MB / 1.142 GB, free: 34.21 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.839e-05/1.483, allocations: 32 kB / 1.142 GB, free: 34.18 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03884/1.522, allocations: 5.888 MB / 1.148 GB, free: 28.28 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008017/1.53, allocations: 0.9828 MB / 1.149 GB, free: 27.29 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06466/1.595, allocations: 25.88 MB / 1.174 GB, free: 0.9883 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007624/1.603, allocations: 0.5535 MB / 1.175 GB, free: 444 kB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009342/1.604, allocations: 167.8 kB / 1.175 GB, free: 276 kB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 1.352e-05/1.604, allocations: 5.719 kB / 1.175 GB, free: 272 kB / 0.6823 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.0132/1.617, allocations: 3.086 MB / 1.178 GB, free: 13.16 MB / 0.698 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated