Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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: translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001028/0.001028, allocations: 115.2 kB / 16.42 MB, free: 6.449 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001141/0.001141, allocations: 183.9 kB / 17.35 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.429/1.429, allocations: 222.9 MB / 241.1 MB, free: 15.18 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002087/0.002087, allocations: 294.4 kB / 291.5 MB, free: 14.48 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9767/0.9767, allocations: 169.2 MB / 0.499 GB, free: 4.445 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001815/0.001815, allocations: 95.86 kB / 0.6822 GB, free: 6.832 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.445/0.4468, allocations: 86.98 MB / 0.7672 GB, free: 3.852 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02244/0.4693, allocations: 18.24 MB / 0.785 GB, free: 1.539 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.01271/0.482, allocations: 6.82 MB / 0.7916 GB, free: 10.7 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002011/0.4841, allocations: 55.88 kB / 0.7917 GB, free: 10.64 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.004302/0.4884, allocations: 1.469 MB / 0.7931 GB, free: 9.172 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.004096/0.4925, allocations: 1.432 MB / 0.7945 GB, free: 7.734 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.003505/0.496, allocations: 1.284 MB / 0.7958 GB, free: 6.449 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.00665/0.5027, allocations: 5.468 MB / 0.8011 GB, free: 0.9688 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008898/0.5116, allocations: 7.116 MB / 0.8081 GB, free: 9.742 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003393/0.515, allocations: 2.38 MB / 0.8104 GB, free: 7.355 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004708/0.5197, allocations: 2.968 MB / 0.8133 GB, free: 4.379 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.001339/0.5211, allocations: 0.5156 MB / 0.8138 GB, free: 3.863 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002955/0.5241, allocations: 1.268 MB / 0.815 GB, free: 2.594 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.003052/0.5271, allocations: 2.25 MB / 0.8172 GB, free: 348 kB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.004516/0.5317, allocations: 2.187 MB / 0.8194 GB, free: 14.14 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.01149/0.5432, allocations: 7.774 MB / 0.827 GB, free: 6.352 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 6.412e-06/0.5432, allocations: 0 / 0.827 GB, free: 6.352 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.773e-06/0.5432, allocations: 4 kB / 0.827 GB, free: 6.348 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.000295/0.5435, allocations: 0 / 0.827 GB, free: 6.348 MB / 0.5919 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 0.0131/0.5566, allocations: 3.827 MB / 0.8307 GB, free: 2.461 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 4.365e-05/0.5567, allocations: 11.97 kB / 0.8307 GB, free: 2.449 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01378/0.5705, allocations: 2.349 MB / 0.833 GB, free: 96 kB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006312/0.5768, allocations: 2.182 MB / 0.8351 GB, free: 13.86 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002822/0.5771, allocations: 275.5 kB / 0.8354 GB, free: 13.59 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001554/0.5787, allocations: 355.9 kB / 0.8357 GB, free: 13.25 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01831/0.597, allocations: 7.122 MB / 0.8427 GB, free: 6.023 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001211/0.5972, allocations: 7.938 kB / 0.8427 GB, free: 6.016 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001138/0.5983, allocations: 152 kB / 0.8428 GB, free: 5.867 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005609/0.5989, allocations: 334.1 kB / 0.8432 GB, free: 5.539 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01742/0.6163, allocations: 7.005 MB / 0.85 GB, free: 14.52 MB / 0.6231 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 0.04104/0.6574, allocations: 26.48 MB / 0.8759 GB, free: 1.852 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009081/0.6665, allocations: 4.996 MB / 0.8807 GB, free: 12.56 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006495/0.673, allocations: 2.604 MB / 0.8833 GB, free: 9.938 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002916/0.6733, allocations: 135 kB / 0.8834 GB, free: 9.785 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.259e-05/0.6734, allocations: 68.48 kB / 0.8835 GB, free: 9.711 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.629e-06/0.6734, allocations: 0 / 0.8835 GB, free: 9.711 MB / 0.6544 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 0.1094/0.7828, allocations: 30.97 MB / 0.9137 GB, free: 10.66 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001673/0.7831, allocations: 243.6 kB / 0.914 GB, free: 10.37 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002609/0.7857, allocations: 1.442 MB / 0.9154 GB, free: 8.918 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0005332/0.7862, allocations: 65.7 kB / 0.9154 GB, free: 8.848 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.001153/0.7874, allocations: 1.505 MB / 0.9169 GB, free: 7.32 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.001199/0.7886, allocations: 0.9165 MB / 0.9178 GB, free: 6.391 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001574/0.7902, allocations: 0.6318 MB / 0.9184 GB, free: 5.75 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001626/0.7904, allocations: 301.1 kB / 0.9187 GB, free: 5.453 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006204/0.7966, allocations: 2.674 MB / 0.9213 GB, free: 2.77 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007241/0.8039, allocations: 3.544 MB / 0.9248 GB, free: 14.85 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01298/0.8169, allocations: 6.391 MB / 0.931 GB, free: 8.055 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.938e-05/0.8169, allocations: 11.94 kB / 0.931 GB, free: 8.043 MB / 0.7012 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 0.02986/0.8468, allocations: 10.99 MB / 0.9418 GB, free: 12.95 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 3.914e-05/0.8468, allocations: 20 kB / 0.9418 GB, free: 12.93 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.854e-05/0.8469, allocations: 28 kB / 0.9418 GB, free: 12.9 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02007/0.867, allocations: 5.454 MB / 0.9471 GB, free: 7.434 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004552/0.8716, allocations: 0.9867 MB / 0.9481 GB, free: 6.445 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4385/1.31, allocations: 28.15 MB / 0.9756 GB, free: 177.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004752/1.315, allocations: 0.5517 MB / 0.9761 GB, free: 177.2 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005094/1.315, allocations: 152.4 kB / 0.9763 GB, free: 177.2 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008322/1.324, allocations: 3.966 MB / 0.9801 GB, free: 176.6 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005839/1.33, allocations: 3.519 MB / 0.9836 GB, free: 174.8 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08199/1.412, allocations: 24.55 MB / 1.008 GB, free: 163.8 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.176e-05/1.412, allocations: 8 kB / 1.008 GB, free: 163.8 MB / 0.7325 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[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[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : 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] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : 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] [ 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.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[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] ] might be structurally or numerically singular for variable line2.v1_n[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_lambda0): time 0.0225/1.434, allocations: 10.49 MB / 1.018 GB, free: 153.2 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.05e-05/1.434, allocations: 20 kB / 1.018 GB, free: 153.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.216e-05/1.434, allocations: 24.88 kB / 1.018 GB, free: 153.2 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01325/1.448, allocations: 4.247 MB / 1.022 GB, free: 149 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004119/1.452, allocations: 1.03 MB / 1.023 GB, free: 147.9 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02811/1.48, allocations: 27.12 MB / 1.049 GB, free: 120.3 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004359/1.484, allocations: 0.5317 MB / 1.05 GB, free: 119.8 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004385/1.485, allocations: 152 kB / 1.05 GB, free: 119.7 MB / 0.7325 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0009093/1.486, allocations: 402.3 kB / 1.051 GB, free: 119.3 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005303/1.486, allocations: 199.4 kB / 1.051 GB, free: 119.1 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 postOpt wrapFunctionCalls (simulation): time 0.02327/1.509, allocations: 10.17 MB / 1.061 GB, free: 108.9 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.837e-05/1.509, allocations: 15.95 kB / 1.061 GB, free: 108.9 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.504e-06/1.509, allocations: 4 kB / 1.061 GB, free: 108.9 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001779/1.511, allocations: 0.7285 MB / 1.061 GB, free: 108.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004062/1.512, allocations: 59.64 kB / 1.061 GB, free: 108.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003296/1.515, allocations: 0.4914 MB / 1.062 GB, free: 107.6 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006208/1.516, allocations: 289.4 kB / 1.062 GB, free: 107.3 MB / 0.7325 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02041/1.536, allocations: 9.416 MB / 1.071 GB, free: 97.95 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.015/1.551, allocations: 8.898 MB / 1.08 GB, free: 88.97 MB / 0.7325 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.004728/1.556, allocations: 2.662 MB / 1.083 GB, free: 86.31 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001168/1.557, allocations: 0.9816 MB / 1.084 GB, free: 85.32 MB / 0.7325 GB Notification: Performance of Backend: time 4.01e-07/1.557, allocations: 0 / 1.084 GB, free: 85.32 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.02312/1.58, allocations: 10.51 MB / 1.094 GB, free: 74.79 MB / 0.7325 GB Notification: Performance of SimCode: time 0.009856/1.59, allocations: 7.28 MB / 1.101 GB, free: 67.48 MB / 0.7325 GB Notification: Performance of Templates: time 0.1117/1.702, allocations: 94.49 MB / 1.193 GB, free: 5.23 MB / 0.7637 GB make -j1 -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)