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 0.001536/0.001536, allocations: 105.5 kB / 16.41 MB, free: 6.461 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001619/0.001619, allocations: 187 kB / 17.34 MB, free: 5.719 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.372/1.372, allocations: 222.9 MB / 241 MB, free: 15.1 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002313/0.002313, allocations: 285.3 kB / 291.5 MB, free: 14.45 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9852/0.9852, allocations: 169.3 MB / 0.499 GB, free: 4.434 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002173/0.002173, allocations: 91.86 kB / 0.6822 GB, free: 6.855 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4352/0.4374, allocations: 86.98 MB / 0.7672 GB, free: 3.734 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02009/0.4575, allocations: 18.26 MB / 0.785 GB, free: 1.414 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.01081/0.4683, allocations: 6.816 MB / 0.7916 GB, free: 10.58 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001563/0.4699, allocations: 55.88 kB / 0.7917 GB, free: 10.52 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.003837/0.4738, allocations: 1.477 MB / 0.7931 GB, free: 9.043 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.003617/0.4774, allocations: 1.4 MB / 0.7945 GB, free: 7.637 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.003342/0.4808, allocations: 1.29 MB / 0.7958 GB, free: 6.344 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.00719/0.488, allocations: 5.464 MB / 0.8011 GB, free: 0.8672 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009685/0.4977, allocations: 7.106 MB / 0.808 GB, free: 9.652 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003803/0.5016, allocations: 2.376 MB / 0.8104 GB, free: 7.27 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004872/0.5065, allocations: 2.972 MB / 0.8133 GB, free: 4.289 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.001589/0.5081, allocations: 0.5117 MB / 0.8138 GB, free: 3.777 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003409/0.5115, allocations: 1.272 MB / 0.815 GB, free: 2.504 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.003335/0.5149, allocations: 2.254 MB / 0.8172 GB, free: 252 kB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.005189/0.5201, allocations: 2.187 MB / 0.8193 GB, free: 14.05 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.01007/0.5302, allocations: 7.781 MB / 0.8269 GB, free: 6.25 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 7.815e-06/0.5302, allocations: 0 / 0.8269 GB, free: 6.25 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.673e-06/0.5302, allocations: 0 / 0.8269 GB, free: 6.25 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.000246/0.5305, allocations: 0 / 0.8269 GB, free: 6.25 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 0.01156/0.5421, allocations: 3.827 MB / 0.8307 GB, free: 2.363 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 4.875e-05/0.5421, allocations: 12.03 kB / 0.8307 GB, free: 2.352 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01408/0.5562, allocations: 2.345 MB / 0.833 GB, free: 0 / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005902/0.5622, allocations: 2.194 MB / 0.8351 GB, free: 13.76 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003252/0.5625, allocations: 271.5 kB / 0.8354 GB, free: 13.49 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001867/0.5644, allocations: 347.9 kB / 0.8357 GB, free: 13.15 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02028/0.5847, allocations: 7.126 MB / 0.8427 GB, free: 5.926 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001779/0.585, allocations: 3.938 kB / 0.8427 GB, free: 5.922 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001553/0.5865, allocations: 152 kB / 0.8428 GB, free: 5.773 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005904/0.5871, allocations: 330.1 kB / 0.8431 GB, free: 5.449 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02014/0.6073, allocations: 7.005 MB / 0.85 GB, free: 14.43 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 0.04407/0.6514, allocations: 26.49 MB / 0.8758 GB, free: 1.758 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009353/0.6608, allocations: 4.996 MB / 0.8807 GB, free: 12.47 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006382/0.6672, allocations: 2.604 MB / 0.8833 GB, free: 9.844 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003519/0.6676, allocations: 135 kB / 0.8834 GB, free: 9.691 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.336e-05/0.6677, allocations: 64.56 kB / 0.8834 GB, free: 9.621 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.99e-06/0.6677, allocations: 3.938 kB / 0.8835 GB, free: 9.617 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 0.1144/0.7821, allocations: 30.97 MB / 0.9137 GB, free: 10.56 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002084/0.7823, allocations: 243.6 kB / 0.9139 GB, free: 10.27 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002929/0.7853, allocations: 1.446 MB / 0.9153 GB, free: 8.82 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0007298/0.786, allocations: 69.7 kB / 0.9154 GB, free: 8.746 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.001301/0.7873, allocations: 1.497 MB / 0.9169 GB, free: 7.227 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.001563/0.7889, allocations: 0.9165 MB / 0.9178 GB, free: 6.297 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002242/0.7912, allocations: 0.6279 MB / 0.9184 GB, free: 5.66 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001289/0.7913, allocations: 305.1 kB / 0.9187 GB, free: 5.359 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006512/0.7978, allocations: 2.678 MB / 0.9213 GB, free: 2.672 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007078/0.805, allocations: 3.544 MB / 0.9247 GB, free: 14.75 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01416/0.8191, allocations: 6.387 MB / 0.931 GB, free: 7.961 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.507e-05/0.8192, allocations: 8 kB / 0.931 GB, free: 7.953 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 0.03078/0.85, allocations: 10.99 MB / 0.9417 GB, free: 12.86 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 8.459e-05/0.8502, allocations: 16 kB / 0.9417 GB, free: 12.84 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.422e-05/0.8502, allocations: 28 kB / 0.9418 GB, free: 12.81 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.021/0.8713, allocations: 5.459 MB / 0.9471 GB, free: 7.344 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004731/0.876, allocations: 0.9866 MB / 0.9481 GB, free: 6.355 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4685/1.345, allocations: 28.15 MB / 0.9755 GB, free: 177.3 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004946/1.35, allocations: 0.5547 MB / 0.9761 GB, free: 177.3 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009108/1.351, allocations: 153.1 kB / 0.9762 GB, free: 177.3 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009749/1.36, allocations: 3.965 MB / 0.9801 GB, free: 176.8 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006814/1.367, allocations: 3.522 MB / 0.9835 GB, free: 175 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0832/1.45, allocations: 24.55 MB / 1.008 GB, free: 163.7 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.323e-05/1.45, allocations: 12 kB / 1.008 GB, free: 163.7 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 0.02488/1.475, allocations: 10.5 MB / 1.018 GB, free: 153.2 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.12e-05/1.475, allocations: 16 kB / 1.018 GB, free: 153.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.115e-05/1.476, allocations: 25.97 kB / 1.018 GB, free: 153.1 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01381/1.489, allocations: 4.243 MB / 1.022 GB, free: 148.9 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004455/1.494, allocations: 1.026 MB / 1.023 GB, free: 147.8 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03007/1.524, allocations: 27.13 MB / 1.049 GB, free: 120.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004333/1.528, allocations: 0.5317 MB / 1.05 GB, free: 119.7 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000666/1.529, allocations: 155.8 kB / 1.05 GB, free: 119.6 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 0.001413/1.53, allocations: 394.4 kB / 1.05 GB, free: 119.2 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008311/1.531, allocations: 206.3 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 0.02449/1.556, allocations: 10.16 MB / 1.061 GB, free: 108.8 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.473e-05/1.556, allocations: 34.72 kB / 1.061 GB, free: 108.8 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.654e-05/1.556, allocations: 16 kB / 1.061 GB, free: 108.8 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.565e-05/1.556, allocations: 15.95 kB / 1.061 GB, free: 108.8 MB / 0.7325 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 0.03476/1.591, allocations: 16.27 MB / 1.077 GB, free: 92.33 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.956e-05/1.591, allocations: 8 kB / 1.077 GB, free: 92.32 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003413/1.594, allocations: 0.7334 MB / 1.077 GB, free: 91.59 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01649/1.611, allocations: 5.095 MB / 1.082 GB, free: 86.47 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005891/1.611, allocations: 75.89 kB / 1.082 GB, free: 86.4 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03373/1.645, allocations: 27.23 MB / 1.109 GB, free: 58.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.065e-06/1.645, allocations: 20.03 kB / 1.109 GB, free: 58.68 MB / 0.7325 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 0.02304/1.668, allocations: 10.09 MB / 1.119 GB, free: 48.34 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00164/1.67, allocations: 0.7241 MB / 1.12 GB, free: 47.59 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008018/1.671, allocations: 55.98 kB / 1.12 GB, free: 47.54 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003723/1.674, allocations: 0.5069 MB / 1.12 GB, free: 47.03 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009316/1.675, allocations: 222.4 kB / 1.12 GB, free: 46.82 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003488/1.676, allocations: 91.95 kB / 1.12 GB, free: 46.73 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.00148/1.677, allocations: 0.9816 MB / 1.121 GB, free: 45.74 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.8e-07/1.677, allocations: 3.656 kB / 1.121 GB, free: 45.74 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.007035/1.684, allocations: 1.844 MB / 1.123 GB, free: 43.9 MB / 0.7325 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 0.0006514/1.685, allocations: 178 kB / 1.123 GB, free: 43.72 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.02647/1.711, allocations: 12.41 MB / 1.135 GB, free: 31.21 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.243e-05/1.712, allocations: 0 / 1.135 GB, free: 31.21 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.009749/1.721, allocations: 4.421 MB / 1.14 GB, free: 26.75 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002926/1.724, allocations: 285.7 kB / 1.14 GB, free: 26.48 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02373/1.748, allocations: 10.07 MB / 1.15 GB, free: 16.31 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003391/1.751, allocations: 2.916 MB / 1.153 GB, free: 13.36 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001225/1.753, allocations: 211.3 kB / 1.153 GB, free: 13.15 MB / 0.7325 GB Notification: Performance of SimCode: time 9.01e-07/1.753, allocations: 0 / 1.153 GB, free: 13.15 MB / 0.7325 GB Notification: Performance of Templates: time 0.1222/1.875, allocations: 107.7 MB / 1.258 GB, free: 1.406 MB / 0.8262 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)