Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001325/0.001325, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00167/0.001669, allocations: 187 kB / 16.25 MB, free: 6.586 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.628/1.628, allocations: 205.1 MB / 222.1 MB, free: 4.676 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.733/1.733, allocations: 292.2 MB / 0.5485 GB, free: 13.61 MB / 462.1 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 0.00154/0.00154, allocations: 68.14 kB / 0.671 GB, free: 26.26 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3277/0.3293, allocations: 114.6 MB / 0.7829 GB, free: 13.86 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02033/0.3496, allocations: 18.04 MB / 0.8005 GB, free: 11.76 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01213/0.3618, allocations: 6.802 MB / 0.8071 GB, free: 4.934 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002262/0.3641, allocations: 47.81 kB / 0.8072 GB, free: 4.887 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003515/0.3677, allocations: 1.35 MB / 0.8085 GB, free: 3.535 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.003819/0.3715, allocations: 1.296 MB / 0.8098 GB, free: 2.234 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.00352/0.3751, allocations: 1.173 MB / 0.8109 GB, free: 1.062 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.006486/0.3816, allocations: 5.461 MB / 0.8163 GB, free: 11.59 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0131/0.3947, allocations: 8.479 MB / 0.8245 GB, free: 3.004 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004418/0.3992, allocations: 2.368 MB / 0.8268 GB, free: 0.6289 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00558/0.4048, allocations: 3.128 MB / 0.8299 GB, free: 13.49 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002335/0.4071, allocations: 0.5117 MB / 0.8304 GB, free: 12.98 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004077/0.4112, allocations: 1.256 MB / 0.8316 GB, free: 11.72 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.005345/0.4166, allocations: 2.234 MB / 0.8338 GB, free: 9.484 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.005655/0.4223, allocations: 2.167 MB / 0.8359 GB, free: 7.309 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01111/0.4334, allocations: 7.744 MB / 0.8435 GB, free: 15.54 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 7.904e-06/0.4335, allocations: 0 / 0.8435 GB, free: 15.54 MB / 0.67 GB Notification: Performance of FrontEnd: time 2.415e-06/0.4335, allocations: 0 / 0.8435 GB, free: 15.54 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0002532/0.4337, allocations: 0 / 0.8435 GB, free: 15.54 MB / 0.67 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 0.01103/0.4448, allocations: 3.78 MB / 0.8472 GB, free: 11.7 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 5.771e-05/0.4449, allocations: 8.031 kB / 0.8472 GB, free: 11.7 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01211/0.457, allocations: 2.349 MB / 0.8495 GB, free: 9.34 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005231/0.4623, allocations: 2.147 MB / 0.8516 GB, free: 7.148 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002315/0.4625, allocations: 271.4 kB / 0.8518 GB, free: 6.883 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001077/0.4636, allocations: 347.8 kB / 0.8522 GB, free: 6.543 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01475/0.4784, allocations: 7.095 MB / 0.8591 GB, free: 15.35 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.707e-05/0.4785, allocations: 8 kB / 0.8591 GB, free: 15.34 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004163/0.4789, allocations: 144 kB / 0.8592 GB, free: 15.2 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004498/0.4794, allocations: 342 kB / 0.8596 GB, free: 14.86 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01558/0.495, allocations: 6.981 MB / 0.8664 GB, free: 7.867 MB / 0.6856 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 0.0418/0.5368, allocations: 26.54 MB / 0.8923 GB, free: 11.16 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009275/0.5461, allocations: 4.988 MB / 0.8972 GB, free: 5.863 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006125/0.5523, allocations: 2.593 MB / 0.8997 GB, free: 3.25 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003886/0.5527, allocations: 135 kB / 0.8998 GB, free: 3.102 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.759e-05/0.5528, allocations: 56.5 kB / 0.8999 GB, free: 3.035 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 4.578e-06/0.5528, allocations: 0 / 0.8999 GB, free: 3.035 MB / 0.7169 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.6027/1.156, allocations: 30.9 MB / 0.9301 GB, free: 124.6 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.27e-05/1.156, allocations: 242 kB / 0.9303 GB, free: 124.4 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001992/1.158, allocations: 1.404 MB / 0.9317 GB, free: 123.9 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0005345/1.158, allocations: 65.58 kB / 0.9317 GB, free: 123.8 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007963/1.159, allocations: 1.484 MB / 0.9332 GB, free: 122.7 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.000979/1.16, allocations: 0.9208 MB / 0.9341 GB, free: 121.9 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001132/1.161, allocations: 0.63 MB / 0.9347 GB, free: 121.7 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 5.074e-05/1.161, allocations: 305.1 kB / 0.935 GB, free: 121.4 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00633/1.168, allocations: 2.673 MB / 0.9376 GB, free: 120.5 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007352/1.175, allocations: 3.551 MB / 0.9411 GB, free: 118.7 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01294/1.188, allocations: 6.386 MB / 0.9473 GB, free: 115.6 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.826e-05/1.188, allocations: 8 kB / 0.9473 GB, free: 115.6 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 matching and sorting (n=410) (initialization): time 0.02856/1.217, allocations: 10.99 MB / 0.958 GB, free: 110.5 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.403e-05/1.217, allocations: 15.66 kB / 0.9581 GB, free: 110.5 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.851e-05/1.217, allocations: 27.53 kB / 0.9581 GB, free: 110.5 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01878/1.235, allocations: 5.488 MB / 0.9634 GB, free: 107.9 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003999/1.24, allocations: 0.9787 MB / 0.9644 GB, free: 107.6 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03512/1.275, allocations: 28.17 MB / 0.9919 GB, free: 80.69 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004749/1.279, allocations: 0.5535 MB / 0.9924 GB, free: 80.13 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000595/1.28, allocations: 155.9 kB / 0.9926 GB, free: 79.98 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006818/1.287, allocations: 3.956 MB / 0.9965 GB, free: 76.02 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005297/1.292, allocations: 3.517 MB / 0.9999 GB, free: 72.12 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07788/1.37, allocations: 24.59 MB / 1.024 GB, free: 47.05 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.633e-05/1.37, allocations: 8 kB / 1.024 GB, free: 47.04 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 0.0215/1.392, allocations: 10.5 MB / 1.034 GB, free: 36.41 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.216e-05/1.392, allocations: 24.48 kB / 1.034 GB, free: 36.39 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.978e-05/1.392, allocations: 39.81 kB / 1.034 GB, free: 36.35 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01307/1.405, allocations: 4.257 MB / 1.038 GB, free: 32.09 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004037/1.409, allocations: 1.031 MB / 1.039 GB, free: 31.05 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02678/1.436, allocations: 27.1 MB / 1.066 GB, free: 3.273 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004018/1.44, allocations: 0.5342 MB / 1.066 GB, free: 2.738 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004162/1.44, allocations: 148 kB / 1.067 GB, free: 2.594 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.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0008743/1.441, allocations: 403.2 kB / 1.067 GB, free: 2.191 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005053/1.442, allocations: 197.7 kB / 1.067 GB, free: 1.996 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 0.02538/1.467, allocations: 10.16 MB / 1.077 GB, free: 7.762 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.427e-05/1.467, allocations: 32 kB / 1.077 GB, free: 7.73 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.589e-05/1.467, allocations: 16 kB / 1.077 GB, free: 7.715 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.121e-05/1.467, allocations: 15.95 kB / 1.077 GB, free: 7.699 MB / 0.7481 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 0.03452/1.502, allocations: 16.28 MB / 1.093 GB, free: 7.238 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.178e-05/1.502, allocations: 8 kB / 1.093 GB, free: 7.23 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003418/1.505, allocations: 0.7337 MB / 1.094 GB, free: 6.496 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01789/1.523, allocations: 5.122 MB / 1.099 GB, free: 1.359 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006201/1.524, allocations: 71.95 kB / 1.099 GB, free: 1.289 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0387/1.563, allocations: 27.23 MB / 1.125 GB, free: 5.574 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.989e-06/1.563, allocations: 12.03 kB / 1.125 GB, free: 5.562 MB / 0.795 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 0.02556/1.588, allocations: 10.09 MB / 1.135 GB, free: 11.24 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001679/1.59, allocations: 0.7132 MB / 1.136 GB, free: 10.5 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004247/1.59, allocations: 56 kB / 1.136 GB, free: 10.45 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003275/1.594, allocations: 0.4997 MB / 1.136 GB, free: 9.949 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008729/1.594, allocations: 238.3 kB / 1.137 GB, free: 9.719 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002329/1.595, allocations: 87.95 kB / 1.137 GB, free: 9.633 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001397/1.596, allocations: 0.9489 MB / 1.138 GB, free: 8.68 MB / 0.8106 GB Notification: Performance of sort global known variables: time 3.367e-06/1.596, allocations: 0 / 1.138 GB, free: 8.68 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.006862/1.603, allocations: 1.833 MB / 1.139 GB, free: 6.852 MB / 0.8106 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 0.0004475/1.603, allocations: 190.8 kB / 1.14 GB, free: 6.656 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.03202/1.635, allocations: 14.34 MB / 1.154 GB, free: 8.23 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.533e-05/1.635, allocations: 3.938 kB / 1.154 GB, free: 8.227 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.01065/1.646, allocations: 4.424 MB / 1.158 GB, free: 3.766 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002199/1.648, allocations: 262.8 kB / 1.158 GB, free: 3.512 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02207/1.67, allocations: 10.56 MB / 1.169 GB, free: 8.832 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00307/1.674, allocations: 2.84 MB / 1.171 GB, free: 5.957 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.004962/1.679, allocations: 1.637 MB / 1.173 GB, free: 4.316 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006337/1.679, allocations: 167.3 kB / 1.173 GB, free: 4.152 MB / 0.8419 GB Notification: Performance of SimCode: time 1.062e-06/1.679, allocations: 0 / 1.173 GB, free: 4.152 MB / 0.8419 GB Notification: Performance of Templates: time 0.1133/1.793, allocations: 77.44 MB / 1.249 GB, free: 6.906 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)