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.BalancedStepUp.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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.005118/0.005118, allocations: 101.1 kB / 15.73 MB, free: 6.051 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001123/0.001123, allocations: 187.8 kB / 16.67 MB, free: 5.98 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.763/1.763, allocations: 205.1 MB / 222.5 MB, free: 4.387 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 1.636/1.636, allocations: 251.7 MB / 0.5094 GB, free: 3.051 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 0.00149/0.00149, allocations: 75.88 kB / 0.7259 GB, free: 8.977 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.259/0.2605, allocations: 104.7 MB / 0.8281 GB, free: 176 kB / 0.6387 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02266/0.2832, allocations: 18.15 MB / 0.8459 GB, free: 13.95 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.0139/0.2972, allocations: 6.852 MB / 0.8525 GB, free: 7.086 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002334/0.2995, allocations: 55.88 kB / 0.8526 GB, free: 7.031 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.004937/0.3045, allocations: 1.46 MB / 0.854 GB, free: 5.566 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.004818/0.3093, allocations: 1.401 MB / 0.8554 GB, free: 4.16 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.00417/0.3135, allocations: 1.272 MB / 0.8566 GB, free: 2.887 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.007364/0.3209, allocations: 5.426 MB / 0.8619 GB, free: 13.45 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01111/0.3321, allocations: 7.065 MB / 0.8688 GB, free: 6.27 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004224/0.3363, allocations: 2.338 MB / 0.8711 GB, free: 3.926 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005741/0.3421, allocations: 2.949 MB / 0.874 GB, free: 0.9688 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 0.00199/0.3441, allocations: 0.5117 MB / 0.8745 GB, free: 468 kB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003872/0.348, allocations: 1.276 MB / 0.8757 GB, free: 15.18 MB / 0.7012 GB Notification: Performance of NFScalarize.scalarize: time 0.003674/0.3517, allocations: 2.242 MB / 0.8779 GB, free: 12.93 MB / 0.7012 GB Notification: Performance of NFVerifyModel.verify: time 0.004589/0.3563, allocations: 2.167 MB / 0.88 GB, free: 10.76 MB / 0.7012 GB Notification: Performance of NFConvertDAE.convert: time 0.01032/0.3667, allocations: 7.725 MB / 0.8876 GB, free: 3.012 MB / 0.7012 GB Notification: Performance of FrontEnd - DAE generated: time 1.303e-05/0.3668, allocations: 3.938 kB / 0.8876 GB, free: 3.008 MB / 0.7012 GB Notification: Performance of FrontEnd: time 2.545e-06/0.3668, allocations: 0 / 0.8876 GB, free: 3.008 MB / 0.7012 GB Notification: Performance of Transformations before backend: time 0.0003575/0.3671, allocations: 3.984 kB / 0.8876 GB, free: 3.004 MB / 0.7012 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.0127/0.3798, allocations: 3.784 MB / 0.8913 GB, free: 15.16 MB / 0.7169 GB Notification: Performance of prepare preOptimizeDAE: time 5.257e-05/0.3799, allocations: 12.03 kB / 0.8913 GB, free: 15.15 MB / 0.7169 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01293/0.3929, allocations: 2.341 MB / 0.8936 GB, free: 12.8 MB / 0.7169 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005929/0.3988, allocations: 2.178 MB / 0.8957 GB, free: 10.58 MB / 0.7169 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002823/0.3991, allocations: 259.4 kB / 0.896 GB, free: 10.32 MB / 0.7169 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001741/0.4009, allocations: 355.8 kB / 0.8963 GB, free: 9.977 MB / 0.7169 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01888/0.4198, allocations: 7.095 MB / 0.9032 GB, free: 2.777 MB / 0.7169 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.922e-05/0.4199, allocations: 7.938 kB / 0.9032 GB, free: 2.77 MB / 0.7169 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005504/0.4205, allocations: 140 kB / 0.9034 GB, free: 2.633 MB / 0.7169 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005423/0.421, allocations: 334 kB / 0.9037 GB, free: 2.305 MB / 0.7169 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.7163/1.137, allocations: 6.981 MB / 0.9105 GB, free: 68.25 MB / 0.7169 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05234/1.19, allocations: 26.34 MB / 0.9362 GB, free: 49.31 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009867/1.2, allocations: 4.984 MB / 0.9411 GB, free: 46.58 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006878/1.207, allocations: 2.624 MB / 0.9437 GB, free: 45.61 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003765/1.207, allocations: 127.8 kB / 0.9438 GB, free: 45.5 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.845e-05/1.207, allocations: 65.75 kB / 0.9439 GB, free: 45.44 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 5.521e-06/1.207, allocations: 0 / 0.9439 GB, free: 45.44 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.conv2.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.conv2.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 0.1071/1.314, allocations: 30.9 MB / 0.974 GB, free: 24.28 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.938e-05/1.314, allocations: 243.6 kB / 0.9743 GB, free: 23.99 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001853/1.316, allocations: 1.404 MB / 0.9756 GB, free: 22.57 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0007109/1.317, allocations: 65.7 kB / 0.9757 GB, free: 22.5 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006643/1.318, allocations: 1.484 MB / 0.9771 GB, free: 21.01 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009405/1.319, allocations: 0.9221 MB / 0.978 GB, free: 20.09 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009813/1.32, allocations: 0.6317 MB / 0.9787 GB, free: 19.45 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 5.855e-05/1.32, allocations: 305.1 kB / 0.979 GB, free: 19.15 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005322/1.325, allocations: 2.674 MB / 0.9816 GB, free: 16.47 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006578/1.332, allocations: 3.556 MB / 0.985 GB, free: 12.54 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01212/1.344, allocations: 6.387 MB / 0.9913 GB, free: 5.75 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.721e-05/1.344, allocations: 8 kB / 0.9913 GB, free: 5.742 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.conv2.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.conv2.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 0.02914/1.373, allocations: 10.94 MB / 1.002 GB, free: 10.7 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.422e-05/1.373, allocations: 20.03 kB / 1.002 GB, free: 10.68 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.267e-05/1.373, allocations: 28 kB / 1.002 GB, free: 10.66 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02094/1.394, allocations: 5.477 MB / 1.007 GB, free: 5.164 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00465/1.399, allocations: 0.9867 MB / 1.008 GB, free: 4.176 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04713/1.446, allocations: 28.14 MB / 1.036 GB, free: 7.609 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005306/1.451, allocations: 0.5497 MB / 1.036 GB, free: 7.059 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006602/1.452, allocations: 155.9 kB / 1.036 GB, free: 6.906 MB / 0.7637 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009357/1.461, allocations: 3.956 MB / 1.04 GB, free: 2.941 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006913/1.468, allocations: 3.517 MB / 1.044 GB, free: 15.04 MB / 0.7794 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09353/1.562, allocations: 24.56 MB / 1.068 GB, free: 5.973 MB / 0.795 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.002e-05/1.562, allocations: 8 kB / 1.068 GB, free: 5.965 MB / 0.795 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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] ; -transformer.conv2.V2[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_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_lambda0): time 0.02855/1.59, allocations: 10.49 MB / 1.078 GB, free: 11.33 MB / 0.8106 GB Notification: Performance of prepare postOptimizeDAE: time 4.43e-05/1.591, allocations: 19.94 kB / 1.078 GB, free: 11.31 MB / 0.8106 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.666e-05/1.591, allocations: 32.06 kB / 1.078 GB, free: 11.28 MB / 0.8106 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01537/1.606, allocations: 4.243 MB / 1.082 GB, free: 7.02 MB / 0.8106 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004887/1.611, allocations: 1.037 MB / 1.083 GB, free: 5.98 MB / 0.8106 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03713/1.648, allocations: 27.13 MB / 1.11 GB, free: 10.14 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004727/1.653, allocations: 0.5339 MB / 1.11 GB, free: 9.613 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006857/1.654, allocations: 148 kB / 1.11 GB, free: 9.469 MB / 0.8419 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.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001177/1.655, allocations: 392 kB / 1.111 GB, free: 9.078 MB / 0.8419 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007069/1.655, allocations: 205.7 kB / 1.111 GB, free: 8.875 MB / 0.8419 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[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] ; -transformer.conv2.V2[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] ; -loadRL.load1.v[1] ] 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 wrapFunctionCalls (simulation): time 0.0282/1.684, allocations: 10.16 MB / 1.121 GB, free: 14.63 MB / 0.8575 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.942e-05/1.684, allocations: 28 kB / 1.121 GB, free: 14.61 MB / 0.8575 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.25e-05/1.684, allocations: 12 kB / 1.121 GB, free: 14.59 MB / 0.8575 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.219e-05/1.684, allocations: 19.95 kB / 1.121 GB, free: 14.57 MB / 0.8575 GB Warning: The linear system: 1 : 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] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : 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] 4 : transformer.conv2.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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; -loadRL.load1.v[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] ; -transformer.conv2.V2[1] ] 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 0.04053/1.724, allocations: 16.29 MB / 1.137 GB, free: 14.1 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.966e-05/1.725, allocations: 8.938 kB / 1.137 GB, free: 14.09 MB / 0.8731 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003888/1.728, allocations: 0.741 MB / 1.138 GB, free: 13.35 MB / 0.8731 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01925/1.748, allocations: 5.099 MB / 1.143 GB, free: 8.23 MB / 0.8731 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000633/1.748, allocations: 67.95 kB / 1.143 GB, free: 8.164 MB / 0.8731 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04191/1.79, allocations: 27.19 MB / 1.169 GB, free: 12.5 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.08e-05/1.79, allocations: 12.03 kB / 1.169 GB, free: 12.48 MB / 0.9044 GB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02708/1.817, allocations: 10.12 MB / 1.179 GB, free: 2.109 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002341/1.82, allocations: 0.7133 MB / 1.18 GB, free: 1.375 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005252/1.82, allocations: 63.83 kB / 1.18 GB, free: 1.312 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003667/1.824, allocations: 0.5031 MB / 1.18 GB, free: 0.8086 MB / 0.9044 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008291/1.825, allocations: 230.3 kB / 1.181 GB, free: 0.582 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002325/1.825, allocations: 87.95 kB / 1.181 GB, free: 0.4961 MB / 0.9044 GB Notification: Performance of sorting global known variables: time 0.001527/1.827, allocations: 0.9538 MB / 1.182 GB, free: 15.54 MB / 0.92 GB Notification: Performance of sort global known variables: time 1.7e-07/1.827, allocations: 0 / 1.182 GB, free: 15.54 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.007501/1.834, allocations: 1.82 MB / 1.183 GB, free: 13.72 MB / 0.92 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 0.0004556/1.835, allocations: 182.9 kB / 1.184 GB, free: 13.53 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.02957/1.864, allocations: 12.41 MB / 1.196 GB, free: 1.027 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.189e-05/1.864, allocations: 4.062 kB / 1.196 GB, free: 1.023 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01104/1.875, allocations: 4.404 MB / 1.2 GB, free: 12.58 MB / 0.9356 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003812/1.879, allocations: 283.6 kB / 1.2 GB, free: 12.32 MB / 0.9356 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02611/1.905, allocations: 9.416 MB / 1.209 GB, free: 2.793 MB / 0.9356 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003576/1.909, allocations: 2.84 MB / 1.212 GB, free: 15.92 MB / 0.9512 GB Notification: Performance of simCode: alias equations: time 0.004519/1.913, allocations: 1.637 MB / 1.214 GB, free: 14.28 MB / 0.9512 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006542/1.914, allocations: 175.3 kB / 1.214 GB, free: 14.11 MB / 0.9512 GB Notification: Performance of SimCode: time 4.21e-07/1.914, allocations: 0 / 1.214 GB, free: 14.11 MB / 0.9512 GB Notification: Performance of Templates: time 0.5981/2.512, allocations: 78.31 MB / 1.29 GB, free: 346 MB / 1.014 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)