Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) 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) 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 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001127/0.001126, allocations: 90.75 kB / 15.06 MB, free: 1.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001549/0.001549, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.712/1.712, allocations: 205.4 MB / 222.1 MB, free: 5.465 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.861/1.861, allocations: 292.7 MB / 0.5499 GB, free: 14.54 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.0005141/0.0005141, allocations: 14.34 kB / 0.6739 GB, free: 26.06 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.252/0.2526, allocations: 116.3 MB / 0.7874 GB, free: 11.79 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01774/0.2703, allocations: 16.55 MB / 0.8036 GB, free: 11.18 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01245/0.2829, allocations: 6.504 MB / 0.81 GB, free: 4.656 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001965/0.2849, allocations: 47.81 kB / 0.81 GB, free: 4.609 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.0009753/0.2859, allocations: 377.3 kB / 0.8104 GB, free: 4.238 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.003038/0.2889, allocations: 1.136 MB / 0.8115 GB, free: 3.098 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.00216/0.2911, allocations: 0.7719 MB / 0.8122 GB, free: 2.324 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.007209/0.2983, allocations: 6.493 MB / 0.8186 GB, free: 11.82 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01047/0.3088, allocations: 7.454 MB / 0.8258 GB, free: 4.297 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003254/0.3121, allocations: 1.717 MB / 0.8275 GB, free: 2.574 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004017/0.3161, allocations: 2.602 MB / 0.8301 GB, free: 15.96 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.0006378/0.3168, allocations: 240 kB / 0.8303 GB, free: 15.73 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001869/0.3187, allocations: 0.6906 MB / 0.831 GB, free: 15.04 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.002144/0.3208, allocations: 1.875 MB / 0.8328 GB, free: 13.16 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.001185/0.322, allocations: 0.6991 MB / 0.8335 GB, free: 12.45 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.006703/0.3287, allocations: 6.452 MB / 0.8398 GB, free: 5.984 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 4.439e-06/0.3287, allocations: 0 / 0.8398 GB, free: 5.984 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.784e-06/0.3288, allocations: 0 / 0.8398 GB, free: 5.984 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002025/0.329, allocations: 4 kB / 0.8398 GB, free: 5.98 MB / 0.6544 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.007848/0.3368, allocations: 3.128 MB / 0.8428 GB, free: 2.793 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.156e-05/0.3369, allocations: 12.03 kB / 0.8428 GB, free: 2.781 MB / 0.6544 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00169/0.3386, allocations: 0.5424 MB / 0.8434 GB, free: 2.23 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01148/0.3501, allocations: 2.359 MB / 0.8457 GB, free: 15.86 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004448/0.3545, allocations: 2.123 MB / 0.8478 GB, free: 13.69 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000214/0.3548, allocations: 275.1 kB / 0.848 GB, free: 13.42 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001017/0.3558, allocations: 351.9 kB / 0.8484 GB, free: 13.08 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01571/0.3715, allocations: 7.093 MB / 0.8553 GB, free: 5.883 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.153e-05/0.3716, allocations: 11.88 kB / 0.8553 GB, free: 5.871 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004781/0.3721, allocations: 152 kB / 0.8554 GB, free: 5.723 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004681/0.3726, allocations: 334.1 kB / 0.8558 GB, free: 5.395 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01615/0.3888, allocations: 6.981 MB / 0.8626 GB, free: 14.4 MB / 0.6856 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 0.04314/0.4319, allocations: 26.71 MB / 0.8887 GB, free: 1.516 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008711/0.4407, allocations: 4.979 MB / 0.8935 GB, free: 12.23 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005746/0.4465, allocations: 2.596 MB / 0.8961 GB, free: 9.613 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000342/0.4469, allocations: 143 kB / 0.8962 GB, free: 9.453 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.185e-05/0.4469, allocations: 60.5 kB / 0.8962 GB, free: 9.387 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 3.927e-06/0.4469, allocations: 0 / 0.8962 GB, free: 9.387 MB / 0.7169 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 0.6006/1.047, allocations: 30.96 MB / 0.9265 GB, free: 123.7 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.809e-05/1.048, allocations: 247.8 kB / 0.9267 GB, free: 123.4 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002333/1.05, allocations: 1.428 MB / 0.9281 GB, free: 123.3 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0006311/1.051, allocations: 71.58 kB / 0.9282 GB, free: 123.3 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009547/1.052, allocations: 1.503 MB / 0.9296 GB, free: 122.8 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.000988/1.053, allocations: 0.9164 MB / 0.9305 GB, free: 122.1 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002344/1.053, allocations: 66.69 kB / 0.9306 GB, free: 122.1 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0002037/1.053, allocations: 438.4 kB / 0.931 GB, free: 121.7 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005827/1.059, allocations: 2.646 MB / 0.9336 GB, free: 120.9 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006457/1.065, allocations: 3.54 MB / 0.9371 GB, free: 119 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006967/1.072, allocations: 3.092 MB / 0.9401 GB, free: 117.9 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.227e-05/1.072, allocations: 7.875 kB / 0.9401 GB, free: 117.9 MB / 0.7325 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 0.02935/1.102, allocations: 11 MB / 0.9508 GB, free: 114 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005804/1.102, allocations: 0.8675 MB / 0.9517 GB, free: 112.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.512e-05/1.102, allocations: 27.28 kB / 0.9517 GB, free: 112.8 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02008/1.123, allocations: 5.881 MB / 0.9574 GB, free: 110 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004155/1.127, allocations: 0.9864 MB / 0.9584 GB, free: 109.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03629/1.163, allocations: 25.89 MB / 0.9837 GB, free: 89.68 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003989/1.167, allocations: 0.5574 MB / 0.9842 GB, free: 89.12 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006775/1.168, allocations: 155.9 kB / 0.9844 GB, free: 88.96 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 9.557e-06/1.168, allocations: 4 kB / 0.9844 GB, free: 88.96 MB / 0.7325 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 0.006801/1.175, allocations: 3.079 MB / 0.9874 GB, free: 85.86 MB / 0.7325 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated