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 0.001298/0.001298, allocations: 101.4 kB / 15.69 MB, free: 140 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001719/0.001719, allocations: 192.6 kB / 16.63 MB, free: 6.625 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.566/1.566, allocations: 205.1 MB / 222.5 MB, free: 4.551 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 1.808/1.808, allocations: 292.3 MB / 0.549 GB, free: 12.77 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 0.001415/0.001415, allocations: 71.47 kB / 0.6723 GB, free: 25.97 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2569/0.2583, allocations: 114.6 MB / 0.7842 GB, free: 12.73 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02243/0.2808, allocations: 18.15 MB / 0.8019 GB, free: 10.51 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01273/0.2936, allocations: 6.848 MB / 0.8086 GB, free: 3.641 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001783/0.2954, allocations: 55.88 kB / 0.8086 GB, free: 3.586 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003931/0.2994, allocations: 1.465 MB / 0.81 GB, free: 2.117 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.004216/0.3036, allocations: 1.393 MB / 0.8114 GB, free: 0.7188 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.003519/0.3071, allocations: 1.282 MB / 0.8127 GB, free: 15.43 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.006436/0.3136, allocations: 5.437 MB / 0.818 GB, free: 9.984 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0085/0.3221, allocations: 7.084 MB / 0.8249 GB, free: 2.785 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003982/0.3261, allocations: 2.345 MB / 0.8272 GB, free: 444 kB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004578/0.3307, allocations: 2.957 MB / 0.8301 GB, free: 13.47 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.0008062/0.3316, allocations: 0.5156 MB / 0.8306 GB, free: 12.95 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002325/0.3339, allocations: 1.256 MB / 0.8318 GB, free: 11.7 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.002222/0.3361, allocations: 2.238 MB / 0.834 GB, free: 9.453 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.002546/0.3387, allocations: 2.167 MB / 0.8361 GB, free: 7.277 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.00835/0.347, allocations: 7.725 MB / 0.8436 GB, free: 15.53 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 4.739e-06/0.3471, allocations: 0 / 0.8436 GB, free: 15.53 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.222e-06/0.3471, allocations: 8 kB / 0.8436 GB, free: 15.52 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0002132/0.3473, allocations: 0 / 0.8436 GB, free: 15.52 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 0.009127/0.3564, allocations: 3.776 MB / 0.8473 GB, free: 11.69 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.965e-05/0.3565, allocations: 8.031 kB / 0.8473 GB, free: 11.68 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01281/0.3693, allocations: 2.333 MB / 0.8496 GB, free: 9.34 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006237/0.3756, allocations: 2.175 MB / 0.8517 GB, free: 7.121 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00031/0.376, allocations: 263.4 kB / 0.852 GB, free: 6.863 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001548/0.3775, allocations: 355.8 kB / 0.8523 GB, free: 6.516 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01618/0.3937, allocations: 7.103 MB / 0.8593 GB, free: 15.31 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.181e-05/0.3938, allocations: 0 / 0.8593 GB, free: 15.31 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000437/0.3943, allocations: 144 kB / 0.8594 GB, free: 15.17 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004738/0.3947, allocations: 326 kB / 0.8597 GB, free: 14.85 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01629/0.411, allocations: 6.992 MB / 0.8666 GB, free: 7.844 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 0.03919/0.4503, allocations: 26.35 MB / 0.8923 GB, free: 11.32 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008582/0.4589, allocations: 4.988 MB / 0.8972 GB, free: 6.023 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005959/0.4649, allocations: 2.604 MB / 0.8997 GB, free: 3.402 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003181/0.4652, allocations: 127 kB / 0.8998 GB, free: 3.262 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.609e-05/0.4653, allocations: 64.5 kB / 0.8999 GB, free: 3.188 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 4.027e-06/0.4653, allocations: 0 / 0.8999 GB, free: 3.188 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 0.5506/1.016, allocations: 30.89 MB / 0.9301 GB, free: 124 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001643/1.016, allocations: 242.3 kB / 0.9303 GB, free: 123.7 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002713/1.019, allocations: 1.398 MB / 0.9317 GB, free: 123.2 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0007444/1.02, allocations: 72.2 kB / 0.9317 GB, free: 123.1 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.001152/1.021, allocations: 1.484 MB / 0.9332 GB, free: 122 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001289/1.022, allocations: 0.9182 MB / 0.9341 GB, free: 121.3 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001305/1.023, allocations: 0.6336 MB / 0.9347 GB, free: 121 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 9.261e-05/1.023, allocations: 305.9 kB / 0.935 GB, free: 120.7 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006902/1.03, allocations: 2.667 MB / 0.9376 GB, free: 119.9 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008044/1.038, allocations: 3.552 MB / 0.941 GB, free: 118 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01415/1.053, allocations: 6.381 MB / 0.9473 GB, free: 115 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.713e-05/1.053, allocations: 6.844 kB / 0.9473 GB, free: 115 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 0.02961/1.082, allocations: 10.98 MB / 0.958 GB, free: 110 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 7.563e-05/1.083, allocations: 17 kB / 0.958 GB, free: 110 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.119e-05/1.083, allocations: 27.66 kB / 0.9581 GB, free: 110 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01801/1.101, allocations: 5.468 MB / 0.9634 GB, free: 107.4 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004125/1.105, allocations: 0.9847 MB / 0.9644 GB, free: 107.1 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03605/1.141, allocations: 28.13 MB / 0.9918 GB, free: 80.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004375/1.145, allocations: 0.5613 MB / 0.9924 GB, free: 80.23 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006922/1.146, allocations: 151.9 kB / 0.9925 GB, free: 80.09 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007397/1.153, allocations: 3.96 MB / 0.9964 GB, free: 76.12 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005588/1.159, allocations: 3.513 MB / 0.9998 GB, free: 72.23 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07814/1.237, allocations: 24.55 MB / 1.024 GB, free: 47.19 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.625e-05/1.237, allocations: 8 kB / 1.024 GB, free: 47.18 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 0.02305/1.26, allocations: 10.48 MB / 1.034 GB, free: 36.55 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.345e-05/1.26, allocations: 20.5 kB / 1.034 GB, free: 36.53 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.744e-05/1.26, allocations: 29.73 kB / 1.034 GB, free: 36.5 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01373/1.274, allocations: 4.254 MB / 1.038 GB, free: 32.23 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004296/1.278, allocations: 1.029 MB / 1.039 GB, free: 31.21 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02901/1.308, allocations: 27.08 MB / 1.066 GB, free: 3.445 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004277/1.312, allocations: 0.5458 MB / 1.066 GB, free: 2.898 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006502/1.313, allocations: 148 kB / 1.066 GB, free: 2.754 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 0.001241/1.314, allocations: 404.2 kB / 1.067 GB, free: 2.355 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008291/1.315, allocations: 193.7 kB / 1.067 GB, free: 2.164 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 0.027/1.342, allocations: 10.16 MB / 1.077 GB, free: 7.926 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.105e-05/1.342, allocations: 28 kB / 1.077 GB, free: 7.898 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.616e-05/1.342, allocations: 13.83 kB / 1.077 GB, free: 7.887 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.572e-05/1.342, allocations: 15.89 kB / 1.077 GB, free: 7.871 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 0.0406/1.382, allocations: 16.25 MB / 1.093 GB, free: 7.453 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.498e-05/1.383, allocations: 12.19 kB / 1.093 GB, free: 7.441 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003522/1.386, allocations: 0.7371 MB / 1.094 GB, free: 6.703 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01861/1.405, allocations: 5.099 MB / 1.099 GB, free: 1.59 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006216/1.405, allocations: 67.95 kB / 1.099 GB, free: 1.523 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04247/1.448, allocations: 27.21 MB / 1.125 GB, free: 5.836 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.394e-05/1.448, allocations: 12.09 kB / 1.125 GB, free: 5.824 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 0.02647/1.474, allocations: 10.1 MB / 1.135 GB, free: 11.48 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002232/1.477, allocations: 0.7093 MB / 1.136 GB, free: 10.75 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008672/1.478, allocations: 63.98 kB / 1.136 GB, free: 10.68 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003832/1.481, allocations: 0.4953 MB / 1.136 GB, free: 10.19 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000962/1.482, allocations: 230.3 kB / 1.136 GB, free: 9.961 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004114/1.483, allocations: 92.5 kB / 1.137 GB, free: 9.871 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001769/1.485, allocations: 0.9489 MB / 1.137 GB, free: 8.918 MB / 0.8106 GB Notification: Performance of sort global known variables: time 2.71e-07/1.485, allocations: 0 / 1.137 GB, free: 8.918 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.007421/1.492, allocations: 1.84 MB / 1.139 GB, free: 7.078 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 0.0005989/1.493, allocations: 182.6 kB / 1.139 GB, free: 6.895 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.03193/1.525, allocations: 12.4 MB / 1.152 GB, free: 10.39 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.189e-05/1.525, allocations: 4 kB / 1.152 GB, free: 10.39 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.01141/1.536, allocations: 4.43 MB / 1.156 GB, free: 5.922 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00283/1.539, allocations: 275.3 kB / 1.156 GB, free: 5.668 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02381/1.563, allocations: 8.934 MB / 1.165 GB, free: 12.62 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004103/1.567, allocations: 2.833 MB / 1.168 GB, free: 9.758 MB / 0.8419 GB Notification: Performance of simCode: alias equations: time 0.004676/1.572, allocations: 1.649 MB / 1.169 GB, free: 8.117 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007157/1.572, allocations: 167.3 kB / 1.169 GB, free: 7.953 MB / 0.8419 GB Notification: Performance of SimCode: time 7.92e-07/1.572, allocations: 0 / 1.169 GB, free: 7.953 MB / 0.8419 GB Notification: Performance of Templates: time 0.1201/1.692, allocations: 77.14 MB / 1.245 GB, free: 11.02 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)