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 0.01172/0.01172, allocations: 101.7 kB / 15.73 MB, free: 5.586 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002282/0.002282, allocations: 192.2 kB / 16.67 MB, free: 5.523 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.687/1.687, allocations: 205.1 MB / 222.5 MB, free: 12.21 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.465/1.465, allocations: 251.7 MB / 0.5094 GB, free: 404 kB / 430.1 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 0.00198/0.001981, allocations: 68.42 kB / 0.7259 GB, free: 4.547 MB / 0.5606 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8031/0.8051, allocations: 104.7 MB / 0.8281 GB, free: 2.547 MB / 0.6231 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02312/0.8283, allocations: 18.23 MB / 0.8459 GB, free: 252 kB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.01251/0.8408, allocations: 6.852 MB / 0.8526 GB, free: 9.375 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002296/0.8431, allocations: 55.88 kB / 0.8527 GB, free: 9.32 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.00463/0.8478, allocations: 1.471 MB / 0.8541 GB, free: 7.848 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.005021/0.8528, allocations: 1.436 MB / 0.8555 GB, free: 6.406 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.00481/0.8577, allocations: 1.286 MB / 0.8568 GB, free: 5.117 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.007759/0.8654, allocations: 5.456 MB / 0.8621 GB, free: 15.65 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01214/0.8776, allocations: 7.112 MB / 0.8691 GB, free: 8.426 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005074/0.8827, allocations: 2.373 MB / 0.8714 GB, free: 6.047 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006022/0.8888, allocations: 2.968 MB / 0.8743 GB, free: 3.066 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.002165/0.891, allocations: 0.5156 MB / 0.8748 GB, free: 2.551 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004276/0.8953, allocations: 1.272 MB / 0.876 GB, free: 1.277 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.004733/0.9001, allocations: 2.242 MB / 0.8782 GB, free: 15.03 MB / 0.6856 GB Notification: Performance of NFVerifyModel.verify: time 0.005756/0.9059, allocations: 2.179 MB / 0.8803 GB, free: 12.84 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.01254/0.9184, allocations: 7.777 MB / 0.8879 GB, free: 5.047 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 2.181e-05/0.9185, allocations: 0 / 0.8879 GB, free: 5.047 MB / 0.6856 GB Notification: Performance of FrontEnd: time 3.216e-06/0.9185, allocations: 3.938 kB / 0.8879 GB, free: 5.043 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 0.000386/0.9189, allocations: 4 kB / 0.8879 GB, free: 5.039 MB / 0.6856 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 0.01747/0.9364, allocations: 3.823 MB / 0.8917 GB, free: 1.156 MB / 0.6856 GB Notification: Performance of prepare preOptimizeDAE: time 8.071e-05/0.9365, allocations: 8.031 kB / 0.8917 GB, free: 1.148 MB / 0.6856 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01532/0.9518, allocations: 2.345 MB / 0.894 GB, free: 14.8 MB / 0.7012 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007117/0.959, allocations: 2.19 MB / 0.8961 GB, free: 12.56 MB / 0.7012 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005185/0.9595, allocations: 267.5 kB / 0.8964 GB, free: 12.3 MB / 0.7012 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002399/0.962, allocations: 355.9 kB / 0.8967 GB, free: 11.95 MB / 0.7012 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02522/0.9872, allocations: 7.123 MB / 0.9037 GB, free: 4.727 MB / 0.7012 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000184/0.9874, allocations: 7.906 kB / 0.9037 GB, free: 4.719 MB / 0.7012 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001497/0.9889, allocations: 151.9 kB / 0.9038 GB, free: 4.57 MB / 0.7012 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005983/0.9896, allocations: 334 kB / 0.9041 GB, free: 4.242 MB / 0.7012 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0201/1.01, allocations: 7.001 MB / 0.911 GB, free: 13.23 MB / 0.7169 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 0.04762/1.057, allocations: 26.47 MB / 0.9368 GB, free: 0.5742 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009925/1.067, allocations: 4.979 MB / 0.9417 GB, free: 11.29 MB / 0.7481 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006713/1.074, allocations: 2.616 MB / 0.9442 GB, free: 8.652 MB / 0.7481 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003889/1.074, allocations: 139 kB / 0.9444 GB, free: 8.5 MB / 0.7481 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.149e-05/1.075, allocations: 60.5 kB / 0.9444 GB, free: 8.43 MB / 0.7481 GB Notification: Performance of pre-optimization done (n=208): time 4.278e-06/1.075, allocations: 3.938 kB / 0.9444 GB, free: 8.426 MB / 0.7481 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 0.1209/1.196, allocations: 30.97 MB / 0.9747 GB, free: 9.363 MB / 0.7794 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001636/1.196, allocations: 243.6 kB / 0.9749 GB, free: 9.078 MB / 0.7794 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002314/1.198, allocations: 1.438 MB / 0.9763 GB, free: 7.633 MB / 0.7794 GB Notification: Performance of collectPreVariables (initialization): time 0.0006371/1.199, allocations: 69.7 kB / 0.9764 GB, free: 7.559 MB / 0.7794 GB Notification: Performance of collectInitialEqns (initialization): time 0.001365/1.2, allocations: 1.497 MB / 0.9778 GB, free: 6.043 MB / 0.7794 GB Notification: Performance of collectInitialBindings (initialization): time 0.001705/1.202, allocations: 0.9243 MB / 0.9787 GB, free: 5.105 MB / 0.7794 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001557/1.203, allocations: 0.6279 MB / 0.9794 GB, free: 4.469 MB / 0.7794 GB Notification: Performance of setup shared object (initialization): time 9.676e-05/1.203, allocations: 305.1 kB / 0.9796 GB, free: 4.168 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006136/1.21, allocations: 2.67 MB / 0.9823 GB, free: 1.488 MB / 0.7794 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006955/1.217, allocations: 3.552 MB / 0.9857 GB, free: 13.56 MB / 0.795 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01325/1.23, allocations: 6.387 MB / 0.992 GB, free: 6.773 MB / 0.795 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.608e-05/1.23, allocations: 8 kB / 0.992 GB, free: 6.766 MB / 0.795 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 0.03156/1.261, allocations: 10.98 MB / 1.003 GB, free: 11.68 MB / 0.8106 GB Notification: Performance of prepare postOptimizeDAE: time 8.122e-05/1.262, allocations: 24.05 kB / 1.003 GB, free: 11.66 MB / 0.8106 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.709e-05/1.262, allocations: 28 kB / 1.003 GB, free: 11.63 MB / 0.8106 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02114/1.283, allocations: 5.458 MB / 1.008 GB, free: 6.156 MB / 0.8106 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004683/1.288, allocations: 0.9866 MB / 1.009 GB, free: 5.168 MB / 0.8106 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04851/1.336, allocations: 28.16 MB / 1.037 GB, free: 8.555 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005311/1.341, allocations: 0.5536 MB / 1.037 GB, free: 8 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009355/1.342, allocations: 151.9 kB / 1.037 GB, free: 7.852 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009649/1.352, allocations: 3.968 MB / 1.041 GB, free: 3.875 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00744/1.36, allocations: 3.517 MB / 1.045 GB, free: 15.98 MB / 0.8575 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0929/1.452, allocations: 24.56 MB / 1.069 GB, free: 6.91 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.354e-05/1.453, allocations: 8 kB / 1.069 GB, free: 6.902 MB / 0.8731 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 0.02923/1.482, allocations: 10.49 MB / 1.079 GB, free: 12.26 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 4.34e-05/1.482, allocations: 16 kB / 1.079 GB, free: 12.25 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001318/1.482, allocations: 31.94 kB / 1.079 GB, free: 12.21 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01597/1.498, allocations: 4.237 MB / 1.083 GB, free: 7.965 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005113/1.503, allocations: 1.033 MB / 1.084 GB, free: 6.93 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6233/2.127, allocations: 27.12 MB / 1.11 GB, free: 253.4 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004729/2.131, allocations: 0.5362 MB / 1.111 GB, free: 253.4 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006973/2.132, allocations: 151.6 kB / 1.111 GB, free: 253.4 MB / 0.9044 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 0.000982/2.133, allocations: 393.7 kB / 1.111 GB, free: 253.2 MB / 0.9044 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006475/2.134, allocations: 204.5 kB / 1.112 GB, free: 253.2 MB / 0.9044 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 0.02488/2.159, allocations: 10.17 MB / 1.122 GB, free: 251.1 MB / 0.9044 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.356e-05/2.159, allocations: 29.58 kB / 1.122 GB, free: 251.1 MB / 0.9044 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.029e-05/2.159, allocations: 11.78 kB / 1.122 GB, free: 251.1 MB / 0.9044 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.692e-05/2.159, allocations: 18.08 kB / 1.122 GB, free: 251.1 MB / 0.9044 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 0.03376/2.192, allocations: 16.27 MB / 1.138 GB, free: 243.9 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.653e-05/2.193, allocations: 8 kB / 1.138 GB, free: 243.9 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003474/2.196, allocations: 0.7345 MB / 1.138 GB, free: 243.2 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01743/2.214, allocations: 5.097 MB / 1.143 GB, free: 238.2 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005628/2.214, allocations: 79.94 kB / 1.143 GB, free: 238.1 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03369/2.248, allocations: 27.22 MB / 1.17 GB, free: 210.7 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.284e-06/2.248, allocations: 11.75 kB / 1.17 GB, free: 210.7 MB / 0.9044 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 0.02343/2.271, allocations: 10.1 MB / 1.18 GB, free: 200.4 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001905/2.273, allocations: 0.7228 MB / 1.18 GB, free: 199.6 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004899/2.274, allocations: 53.53 kB / 1.181 GB, free: 199.6 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003435/2.277, allocations: 0.5031 MB / 1.181 GB, free: 199.1 MB / 0.9044 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008773/2.278, allocations: 230.3 kB / 1.181 GB, free: 198.8 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000219/2.278, allocations: 91.95 kB / 1.181 GB, free: 198.8 MB / 0.9044 GB Notification: Performance of sorting global known variables: time 0.001302/2.28, allocations: 0.9777 MB / 1.182 GB, free: 197.8 MB / 0.9044 GB Notification: Performance of sort global known variables: time 1.2e-07/2.28, allocations: 0 / 1.182 GB, free: 197.8 MB / 0.9044 GB Notification: Performance of remove unused functions: time 0.005609/2.285, allocations: 1.835 MB / 1.184 GB, free: 195.9 MB / 0.9044 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 0.0004564/2.286, allocations: 178.6 kB / 1.184 GB, free: 195.8 MB / 0.9044 GB Notification: Performance of simCode: created initialization part: time 0.02675/2.312, allocations: 12.42 MB / 1.196 GB, free: 183.3 MB / 0.9044 GB Notification: Performance of simCode: created event and clocks part: time 1.444e-05/2.313, allocations: 7.938 kB / 1.196 GB, free: 183.2 MB / 0.9044 GB Notification: Performance of simCode: created simulation system equations: time 0.01007/2.323, allocations: 4.417 MB / 1.201 GB, free: 178.8 MB / 0.9044 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002497/2.325, allocations: 280.4 kB / 1.201 GB, free: 178.5 MB / 0.9044 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02185/2.347, allocations: 9.502 MB / 1.21 GB, free: 168.9 MB / 0.9044 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002771/2.35, allocations: 2.849 MB / 1.213 GB, free: 166.1 MB / 0.9044 GB Notification: Performance of simCode: alias equations: time 0.004034/2.354, allocations: 1.641 MB / 1.215 GB, free: 164.4 MB / 0.9044 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006327/2.355, allocations: 171.3 kB / 1.215 GB, free: 164.2 MB / 0.9044 GB Notification: Performance of SimCode: time 1.132e-06/2.355, allocations: 0 / 1.215 GB, free: 164.2 MB / 0.9044 GB Notification: Performance of Templates: time 0.09555/2.45, allocations: 78.84 MB / 1.292 GB, free: 85.61 MB / 0.9044 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)