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.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 7.0.3-maint.7.0.x/package.mo", uses=false) 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) 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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.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 0.00135/0.00135, allocations: 103.4 kB / 15.33 MB, free: 0.5078 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001649/0.001649, allocations: 187.3 kB / 16.25 MB, free: 6.617 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.427/1.427, allocations: 205.1 MB / 222.1 MB, free: 4.746 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.555/1.555, allocations: 251.7 MB / 0.5089 GB, free: 3.266 MB / 414.1 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 0.001285/0.001285, allocations: 67.91 kB / 0.6218 GB, free: 1.836 MB / 0.5137 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5669/0.5682, allocations: 104.7 MB / 0.724 GB, free: 13.08 MB / 0.545 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02006/0.5883, allocations: 18.12 MB / 0.7417 GB, free: 10.89 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01106/0.5994, allocations: 6.81 MB / 0.7484 GB, free: 4.059 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002279/0.6017, allocations: 43.88 kB / 0.7484 GB, free: 4.016 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.004097/0.6059, allocations: 1.361 MB / 0.7497 GB, free: 2.652 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.004133/0.6101, allocations: 1.3 MB / 0.751 GB, free: 1.348 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.003339/0.6134, allocations: 1.185 MB / 0.7522 GB, free: 164 kB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.006413/0.6198, allocations: 5.476 MB / 0.7575 GB, free: 10.67 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01192/0.6318, allocations: 8.52 MB / 0.7658 GB, free: 2.051 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003302/0.6351, allocations: 2.372 MB / 0.7681 GB, free: 15.67 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004573/0.6397, allocations: 3.132 MB / 0.7712 GB, free: 12.53 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.00142/0.6412, allocations: 0.5156 MB / 0.7717 GB, free: 12.02 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003322/0.6445, allocations: 1.28 MB / 0.773 GB, free: 10.73 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.003386/0.6479, allocations: 2.242 MB / 0.7751 GB, free: 8.488 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.004747/0.6527, allocations: 2.19 MB / 0.7773 GB, free: 6.289 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.009376/0.6621, allocations: 7.783 MB / 0.7849 GB, free: 14.48 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 6.692e-06/0.6621, allocations: 0 / 0.7849 GB, free: 14.48 MB / 0.6075 GB Notification: Performance of FrontEnd: time 1.473e-06/0.6621, allocations: 0 / 0.7849 GB, free: 14.48 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 0.0002306/0.6624, allocations: 0 / 0.7849 GB, free: 14.48 MB / 0.6075 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 0.009792/0.6722, allocations: 3.827 MB / 0.7886 GB, free: 10.6 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 5.429e-05/0.6722, allocations: 8.031 kB / 0.7886 GB, free: 10.59 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01253/0.6848, allocations: 2.349 MB / 0.7909 GB, free: 8.234 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005573/0.6904, allocations: 2.167 MB / 0.793 GB, free: 6.023 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002767/0.6907, allocations: 263.5 kB / 0.7933 GB, free: 5.766 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00155/0.6923, allocations: 355.9 kB / 0.7936 GB, free: 5.418 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.017/0.7093, allocations: 7.127 MB / 0.8006 GB, free: 14.19 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.946e-05/0.7094, allocations: 7.938 kB / 0.8006 GB, free: 14.18 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006404/0.7101, allocations: 144 kB / 0.8007 GB, free: 14.04 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005023/0.7106, allocations: 330.1 kB / 0.8011 GB, free: 13.72 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01588/0.7265, allocations: 7.001 MB / 0.8079 GB, free: 6.703 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 0.03708/0.7636, allocations: 26.66 MB / 0.8339 GB, free: 9.855 MB / 0.6544 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007888/0.7715, allocations: 4.995 MB / 0.8388 GB, free: 4.555 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005626/0.7772, allocations: 2.6 MB / 0.8413 GB, free: 1.941 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002816/0.7775, allocations: 127 kB / 0.8415 GB, free: 1.801 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.864e-05/0.7775, allocations: 68.48 kB / 0.8415 GB, free: 1.723 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.068e-06/0.7775, allocations: 4 kB / 0.8415 GB, free: 1.719 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 0.1017/0.8793, allocations: 30.95 MB / 0.8718 GB, free: 2.676 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001673/0.8795, allocations: 235.6 kB / 0.872 GB, free: 2.398 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002136/0.8816, allocations: 1.442 MB / 0.8734 GB, free: 0.9492 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0006523/0.8823, allocations: 69.7 kB / 0.8735 GB, free: 0.875 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.001131/0.8834, allocations: 1.501 MB / 0.8749 GB, free: 15.35 MB / 0.7012 GB Notification: Performance of collectInitialBindings (initialization): time 0.001422/0.8849, allocations: 0.9242 MB / 0.8758 GB, free: 14.41 MB / 0.7012 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001188/0.8861, allocations: 0.6279 MB / 0.8764 GB, free: 13.77 MB / 0.7012 GB Notification: Performance of setup shared object (initialization): time 0.0001256/0.8862, allocations: 309.1 kB / 0.8767 GB, free: 13.47 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005877/0.8921, allocations: 2.67 MB / 0.8793 GB, free: 10.79 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00683/0.8989, allocations: 3.548 MB / 0.8828 GB, free: 6.863 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01245/0.9114, allocations: 6.375 MB / 0.889 GB, free: 92 kB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.525e-05/0.9115, allocations: 8 kB / 0.889 GB, free: 84 kB / 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 0.02976/0.9412, allocations: 10.99 MB / 0.8998 GB, free: 4.988 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 5.384e-05/0.9413, allocations: 16 kB / 0.8998 GB, free: 4.973 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.241e-05/0.9414, allocations: 28 kB / 0.8998 GB, free: 4.945 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.4857/1.427, allocations: 5.481 MB / 0.9052 GB, free: 163 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004804/1.432, allocations: 0.985 MB / 0.9061 GB, free: 163 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04592/1.478, allocations: 28.17 MB / 0.9336 GB, free: 149.2 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00452/1.482, allocations: 0.5494 MB / 0.9342 GB, free: 149.1 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000553/1.483, allocations: 156.1 kB / 0.9343 GB, free: 149.1 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007419/1.49, allocations: 3.966 MB / 0.9382 GB, free: 147.8 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005221/1.496, allocations: 3.517 MB / 0.9416 GB, free: 145.6 MB / 0.7169 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07949/1.575, allocations: 24.6 MB / 0.9657 GB, free: 120.5 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.352e-05/1.575, allocations: 8 kB / 0.9657 GB, free: 120.5 MB / 0.7169 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 0.02522/1.601, allocations: 10.49 MB / 0.9759 GB, free: 110 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 4.717e-05/1.601, allocations: 16 kB / 0.9759 GB, free: 110 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.701e-05/1.601, allocations: 24 kB / 0.9759 GB, free: 110 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01402/1.615, allocations: 4.257 MB / 0.9801 GB, free: 105.7 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004502/1.619, allocations: 1.037 MB / 0.9811 GB, free: 104.7 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0303/1.65, allocations: 27.15 MB / 1.008 GB, free: 76.85 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004581/1.654, allocations: 0.5303 MB / 1.008 GB, free: 76.32 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001028/1.655, allocations: 152 kB / 1.008 GB, free: 76.17 MB / 0.7169 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.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[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 0.001863/1.657, allocations: 392.4 kB / 1.009 GB, free: 75.79 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001011/1.658, allocations: 201.7 kB / 1.009 GB, free: 75.59 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 postOpt wrapFunctionCalls (simulation): time 0.02537/1.684, allocations: 10.17 MB / 1.019 GB, free: 65.35 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.451e-05/1.684, allocations: 28 kB / 1.019 GB, free: 65.32 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.817e-05/1.684, allocations: 12 kB / 1.019 GB, free: 65.31 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.214e-05/1.684, allocations: 15.95 kB / 1.019 GB, free: 65.3 MB / 0.7169 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : 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] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : 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] [ -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_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -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] ; 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] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0338/1.718, allocations: 16.32 MB / 1.035 GB, free: 48.8 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.434e-05/1.718, allocations: 11.94 kB / 1.035 GB, free: 48.79 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003367/1.721, allocations: 0.7332 MB / 1.035 GB, free: 48.05 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01749/1.739, allocations: 5.115 MB / 1.04 GB, free: 42.93 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008054/1.74, allocations: 71.95 kB / 1.041 GB, free: 42.86 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03507/1.775, allocations: 27.23 MB / 1.067 GB, free: 15.15 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.197e-05/1.775, allocations: 16.03 kB / 1.067 GB, free: 15.13 MB / 0.7169 GB 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 postOpt symbolicJacobian (simulation): time 0.02481/1.799, allocations: 10.1 MB / 1.077 GB, free: 4.781 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00213/1.802, allocations: 0.7197 MB / 1.078 GB, free: 4.043 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009409/1.803, allocations: 55.84 kB / 1.078 GB, free: 3.992 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00372/1.806, allocations: 0.4992 MB / 1.078 GB, free: 3.492 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009806/1.807, allocations: 226.3 kB / 1.078 GB, free: 3.273 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004225/1.808, allocations: 91.95 kB / 1.079 GB, free: 3.184 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.001452/1.809, allocations: 0.9893 MB / 1.08 GB, free: 2.191 MB / 0.7169 GB Notification: Performance of sort global known variables: time 1.8e-07/1.809, allocations: 0 / 1.08 GB, free: 2.191 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.007498/1.817, allocations: 1.832 MB / 1.081 GB, free: 368 kB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * 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 simulation (165): * Single equations (assignments): 162 * 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 {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of Backend phase and start with SimCode phase: time 0.000612/1.817, allocations: 177 kB / 1.082 GB, free: 188 kB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.03521/1.853, allocations: 14.35 MB / 1.096 GB, free: 1.738 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 2.309e-05/1.853, allocations: 1.938 kB / 1.096 GB, free: 1.738 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.01196/1.865, allocations: 4.416 MB / 1.1 GB, free: 13.3 MB / 0.7481 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003874/1.869, allocations: 286.5 kB / 1.1 GB, free: 13.02 MB / 0.7481 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02677/1.895, allocations: 11.13 MB / 1.111 GB, free: 1.777 MB / 0.7481 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00426/1.9, allocations: 2.846 MB / 1.114 GB, free: 14.89 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.006381/1.906, allocations: 1.641 MB / 1.115 GB, free: 13.25 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001225/1.907, allocations: 171.3 kB / 1.116 GB, free: 13.08 MB / 0.7637 GB Notification: Performance of SimCode: time 2.745e-06/1.907, allocations: 0 / 1.116 GB, free: 13.08 MB / 0.7637 GB Notification: Performance of Templates: time 0.1147/2.022, allocations: 77.96 MB / 1.192 GB, free: 15.35 MB / 0.8419 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)