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 0.001462/0.001462, allocations: 112.5 kB / 15.99 MB, free: 5.914 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001671/0.001671, allocations: 192 kB / 16.91 MB, free: 5.758 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.468/1.468, allocations: 205.1 MB / 222.8 MB, free: 12.43 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.837/1.837, allocations: 292.3 MB / 0.5492 GB, free: 17.46 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 0.001561/0.001561, allocations: 67.91 kB / 0.6717 GB, free: 6.891 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2608/0.2624, allocations: 114.6 MB / 0.7835 GB, free: 4.223 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.55/0.8124, allocations: 18.04 MB / 0.8012 GB, free: 40.86 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01072/0.8232, allocations: 6.794 MB / 0.8078 GB, free: 36.29 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001911/0.8252, allocations: 45.28 kB / 0.8078 GB, free: 36.28 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.003533/0.8288, allocations: 1.347 MB / 0.8092 GB, free: 35.51 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.003928/0.8327, allocations: 1.293 MB / 0.8104 GB, free: 34.8 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.003382/0.8361, allocations: 1.183 MB / 0.8116 GB, free: 34.14 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.007786/0.8439, allocations: 5.454 MB / 0.8169 GB, free: 31.84 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01269/0.8566, allocations: 8.487 MB / 0.8252 GB, free: 28.51 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005815/0.8625, allocations: 2.364 MB / 0.8275 GB, free: 27.43 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006549/0.8691, allocations: 3.129 MB / 0.8306 GB, free: 26.19 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002197/0.8713, allocations: 0.5132 MB / 0.8311 GB, free: 26.19 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004786/0.8761, allocations: 1.261 MB / 0.8323 GB, free: 25.91 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.004893/0.881, allocations: 2.237 MB / 0.8345 GB, free: 25.06 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.006527/0.8876, allocations: 2.17 MB / 0.8366 GB, free: 23.66 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01199/0.8996, allocations: 6.609 MB / 0.843 GB, free: 21.64 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 9.098e-06/0.8996, allocations: 5.594 kB / 0.843 GB, free: 21.63 MB / 0.6544 GB Notification: Performance of FrontEnd: time 2.625e-06/0.8996, allocations: 0 / 0.843 GB, free: 21.63 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0003138/0.9, allocations: 0 / 0.843 GB, free: 21.63 MB / 0.6544 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 0.01754/0.9175, allocations: 3.792 MB / 0.8468 GB, free: 19.09 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 5.683e-05/0.9176, allocations: 8.5 kB / 0.8468 GB, free: 19.09 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01461/0.9322, allocations: 2.34 MB / 0.849 GB, free: 17.97 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006669/0.9389, allocations: 2.146 MB / 0.8511 GB, free: 16.63 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00038/0.9393, allocations: 265.8 kB / 0.8514 GB, free: 16.51 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002635/0.942, allocations: 352.8 kB / 0.8517 GB, free: 16.39 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02419/0.9662, allocations: 7.088 MB / 0.8587 GB, free: 12.35 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002071/0.9665, allocations: 6.125 kB / 0.8587 GB, free: 12.35 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002185/0.9687, allocations: 147 kB / 0.8588 GB, free: 12.23 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008686/0.9695, allocations: 340 kB / 0.8591 GB, free: 12.13 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02025/0.9898, allocations: 6.988 MB / 0.8659 GB, free: 6.863 MB / 0.6544 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 0.04479/1.035, allocations: 26.54 MB / 0.8919 GB, free: 10.15 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009146/1.044, allocations: 4.992 MB / 0.8967 GB, free: 4.852 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006419/1.05, allocations: 2.6 MB / 0.8993 GB, free: 2.23 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000363/1.051, allocations: 131 kB / 0.8994 GB, free: 2.086 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.005e-05/1.051, allocations: 64.5 kB / 0.8995 GB, free: 2.012 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 4.068e-06/1.051, allocations: 0 / 0.8995 GB, free: 2.012 MB / 0.6856 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 0.109/1.16, allocations: 30.9 MB / 0.9296 GB, free: 3.027 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001422/1.16, allocations: 243.6 kB / 0.9299 GB, free: 2.742 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002819/1.163, allocations: 1.396 MB / 0.9312 GB, free: 1.336 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.000661/1.163, allocations: 65.7 kB / 0.9313 GB, free: 1.266 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001059/1.164, allocations: 1.489 MB / 0.9328 GB, free: 15.75 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.00131/1.166, allocations: 0.9165 MB / 0.9336 GB, free: 14.82 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001781/1.168, allocations: 0.6279 MB / 0.9343 GB, free: 14.18 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001296/1.168, allocations: 305.1 kB / 0.9346 GB, free: 13.88 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006222/1.174, allocations: 2.672 MB / 0.9372 GB, free: 11.2 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006701/1.181, allocations: 3.548 MB / 0.9406 GB, free: 7.273 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01278/1.194, allocations: 6.387 MB / 0.9469 GB, free: 500 kB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.307e-05/1.194, allocations: 8 kB / 0.9469 GB, free: 492 kB / 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 0.02902/1.223, allocations: 10.99 MB / 0.9576 GB, free: 5.387 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.384e-05/1.223, allocations: 20 kB / 0.9576 GB, free: 5.367 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.291e-05/1.223, allocations: 24 kB / 0.9576 GB, free: 5.344 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02104/1.244, allocations: 5.49 MB / 0.963 GB, free: 15.84 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005141/1.249, allocations: 0.9828 MB / 0.964 GB, free: 14.86 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04861/1.298, allocations: 28.16 MB / 0.9915 GB, free: 2.242 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005184/1.303, allocations: 0.558 MB / 0.992 GB, free: 1.684 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001028/1.304, allocations: 159.9 kB / 0.9922 GB, free: 1.527 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01104/1.315, allocations: 3.952 MB / 0.996 GB, free: 13.56 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007507/1.323, allocations: 3.517 MB / 0.9994 GB, free: 9.668 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09131/1.414, allocations: 24.6 MB / 1.023 GB, free: 0.5625 MB / 0.8106 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.373e-05/1.414, allocations: 12 kB / 1.023 GB, free: 0.5508 MB / 0.8106 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 0.02939/1.443, allocations: 10.49 MB / 1.034 GB, free: 5.922 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 4.442e-05/1.444, allocations: 16 kB / 1.034 GB, free: 5.906 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.221e-05/1.444, allocations: 24 kB / 1.034 GB, free: 5.883 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01581/1.459, allocations: 4.264 MB / 1.038 GB, free: 1.598 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004916/1.464, allocations: 1.034 MB / 1.039 GB, free: 0.5664 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03879/1.503, allocations: 27.11 MB / 1.065 GB, free: 4.73 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005031/1.508, allocations: 0.5342 MB / 1.066 GB, free: 4.195 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009737/1.509, allocations: 155.9 kB / 1.066 GB, free: 4.043 MB / 0.8575 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[1] - line2.i3[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001863/1.511, allocations: 391.3 kB / 1.066 GB, free: 3.652 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001022/1.512, allocations: 189.8 kB / 1.067 GB, free: 3.465 MB / 0.8575 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 0.02846/1.541, allocations: 10.17 MB / 1.077 GB, free: 9.211 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.835e-05/1.541, allocations: 28 kB / 1.077 GB, free: 9.184 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.655e-05/1.541, allocations: 12 kB / 1.077 GB, free: 9.172 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.003e-05/1.541, allocations: 15.94 kB / 1.077 GB, free: 9.156 MB / 0.8731 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 0.04243/1.583, allocations: 16.29 MB / 1.093 GB, free: 8.625 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.714e-05/1.583, allocations: 8 kB / 1.093 GB, free: 8.617 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003579/1.587, allocations: 0.734 MB / 1.093 GB, free: 7.883 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01885/1.606, allocations: 5.118 MB / 1.098 GB, free: 2.746 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008582/1.607, allocations: 71.95 kB / 1.098 GB, free: 2.676 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04255/1.649, allocations: 27.23 MB / 1.125 GB, free: 6.949 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.959e-06/1.649, allocations: 12.03 kB / 1.125 GB, free: 6.938 MB / 0.92 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 0.4552/2.105, allocations: 10.09 MB / 1.135 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001803/2.106, allocations: 0.7145 MB / 1.135 GB, free: 288.8 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000586/2.107, allocations: 51.69 kB / 1.136 GB, free: 288.8 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003527/2.111, allocations: 0.5001 MB / 1.136 GB, free: 288.8 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007553/2.111, allocations: 233.6 kB / 1.136 GB, free: 288.8 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002416/2.112, allocations: 86.84 kB / 1.136 GB, free: 288.8 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001249/2.113, allocations: 0.9482 MB / 1.137 GB, free: 288.7 MB / 0.92 GB Notification: Performance of sort global known variables: time 2.2e-07/2.113, allocations: 3.344 kB / 1.137 GB, free: 288.7 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.006376/2.119, allocations: 1.832 MB / 1.139 GB, free: 288.7 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 0.0004739/2.12, allocations: 185.4 kB / 1.139 GB, free: 288.6 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.03609/2.156, allocations: 14.34 MB / 1.153 GB, free: 287.5 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.522e-05/2.156, allocations: 0.9688 kB / 1.153 GB, free: 287.5 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01302/2.169, allocations: 4.433 MB / 1.158 GB, free: 287 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003918/2.173, allocations: 264.7 kB / 1.158 GB, free: 286.9 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02813/2.201, allocations: 11.14 MB / 1.169 GB, free: 281.8 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005429/2.207, allocations: 2.9 MB / 1.172 GB, free: 280.7 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001418/2.208, allocations: 206.1 kB / 1.172 GB, free: 280.7 MB / 0.92 GB Notification: Performance of SimCode: time 9.72e-07/2.208, allocations: 1.094 kB / 1.172 GB, free: 280.7 MB / 0.92 GB Notification: Performance of Templates: time 0.1263/2.334, allocations: 106.6 MB / 1.276 GB, free: 195.3 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)