Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001518/0.001518, allocations: 112 kB / 16.41 MB, free: 6.492 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001655/0.001655, allocations: 189.2 kB / 17.34 MB, free: 5.762 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.434/1.434, allocations: 222.9 MB / 241 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002496/0.002496, allocations: 281.6 kB / 291.5 MB, free: 14.46 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.022/1.022, allocations: 169.2 MB / 0.499 GB, free: 4.438 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00273/0.00273, allocations: 96.08 kB / 0.6823 GB, free: 6.797 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4573/0.4601, allocations: 86.97 MB / 0.7672 GB, free: 3.848 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02432/0.4844, allocations: 18.29 MB / 0.7851 GB, free: 1.492 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.01305/0.4974, allocations: 6.84 MB / 0.7917 GB, free: 10.63 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002152/0.4996, allocations: 55.88 kB / 0.7918 GB, free: 10.57 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.004386/0.504, allocations: 1.486 MB / 0.7932 GB, free: 9.086 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.004374/0.5084, allocations: 1.428 MB / 0.7946 GB, free: 7.652 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.003991/0.5123, allocations: 1.296 MB / 0.7959 GB, free: 6.355 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.008175/0.5205, allocations: 5.468 MB / 0.8012 GB, free: 0.875 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007579/0.5281, allocations: 5.164 MB / 0.8063 GB, free: 11.61 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004274/0.5324, allocations: 2.38 MB / 0.8086 GB, free: 9.219 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005662/0.538, allocations: 2.964 MB / 0.8115 GB, free: 6.246 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.001356/0.5394, allocations: 0.5156 MB / 0.812 GB, free: 5.73 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00305/0.5424, allocations: 1.276 MB / 0.8133 GB, free: 4.453 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.00285/0.5453, allocations: 2.307 MB / 0.8155 GB, free: 2.141 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.003294/0.5486, allocations: 2.187 MB / 0.8176 GB, free: 15.94 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.01033/0.5589, allocations: 7.801 MB / 0.8253 GB, free: 8.125 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 5.821e-06/0.5589, allocations: 0 / 0.8253 GB, free: 8.125 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.863e-06/0.5589, allocations: 0 / 0.8253 GB, free: 8.125 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.0001984/0.5591, allocations: 3.938 kB / 0.8253 GB, free: 8.121 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.009593/0.5687, allocations: 3.907 MB / 0.8291 GB, free: 4.148 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 4.924e-05/0.5688, allocations: 8.031 kB / 0.8291 GB, free: 4.141 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01298/0.5817, allocations: 2.366 MB / 0.8314 GB, free: 1.77 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005373/0.5871, allocations: 2.191 MB / 0.8335 GB, free: 15.53 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002477/0.5874, allocations: 275.5 kB / 0.8338 GB, free: 15.26 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001209/0.5886, allocations: 351.9 kB / 0.8341 GB, free: 14.92 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01685/0.6054, allocations: 7.118 MB / 0.8411 GB, free: 7.699 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.446e-05/0.6055, allocations: 7.938 kB / 0.8411 GB, free: 7.691 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004973/0.606, allocations: 152 kB / 0.8412 GB, free: 7.543 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005147/0.6065, allocations: 330.1 kB / 0.8416 GB, free: 7.219 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01792/0.6244, allocations: 7.008 MB / 0.8484 GB, free: 204 kB / 0.6075 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 0.04105/0.6655, allocations: 26.54 MB / 0.8743 GB, free: 3.477 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009486/0.675, allocations: 4.877 MB / 0.8791 GB, free: 14.3 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006516/0.6815, allocations: 2.53 MB / 0.8816 GB, free: 11.75 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003051/0.6818, allocations: 135 kB / 0.8817 GB, free: 11.6 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.017e-05/0.6818, allocations: 56.56 kB / 0.8817 GB, free: 11.54 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.448e-06/0.6819, allocations: 0 / 0.8817 GB, free: 11.54 MB / 0.6544 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 0.1103/0.7921, allocations: 31.11 MB / 0.9121 GB, free: 12.37 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001834/0.7923, allocations: 243.5 kB / 0.9123 GB, free: 12.08 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002379/0.7947, allocations: 1.446 MB / 0.9138 GB, free: 10.62 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0005577/0.7952, allocations: 69.7 kB / 0.9138 GB, free: 10.55 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.001299/0.7965, allocations: 1.554 MB / 0.9153 GB, free: 8.98 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.001227/0.7978, allocations: 0.9606 MB / 0.9163 GB, free: 8.012 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001201/0.799, allocations: 0.636 MB / 0.9169 GB, free: 7.367 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001532/0.7991, allocations: 305.1 kB / 0.9172 GB, free: 7.066 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00605/0.8052, allocations: 2.67 MB / 0.9198 GB, free: 4.387 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007073/0.8122, allocations: 3.552 MB / 0.9233 GB, free: 468 kB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01354/0.8258, allocations: 6.383 MB / 0.9295 GB, free: 9.672 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.254e-05/0.8258, allocations: 11.94 kB / 0.9295 GB, free: 9.66 MB / 0.7012 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 0.02971/0.8555, allocations: 10.91 MB / 0.9402 GB, free: 14.64 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 4.105e-05/0.8556, allocations: 16 kB / 0.9402 GB, free: 14.62 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.778e-05/0.8556, allocations: 32.53 kB / 0.9402 GB, free: 14.59 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02005/0.8757, allocations: 5.47 MB / 0.9456 GB, free: 9.113 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004463/0.8801, allocations: 0.9827 MB / 0.9465 GB, free: 8.129 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4623/1.342, allocations: 28.17 MB / 0.974 GB, free: 178.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005151/1.348, allocations: 0.558 MB / 0.9746 GB, free: 178.2 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006658/1.348, allocations: 150.4 kB / 0.9747 GB, free: 178.2 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008801/1.357, allocations: 3.964 MB / 0.9786 GB, free: 177.9 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006574/1.364, allocations: 3.519 MB / 0.982 GB, free: 176.1 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08272/1.446, allocations: 24.56 MB / 1.006 GB, free: 165.4 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.64e-05/1.446, allocations: 4 kB / 1.006 GB, free: 165.4 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 0.0234/1.47, allocations: 10.44 MB / 1.016 GB, free: 155 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.244e-05/1.47, allocations: 16 kB / 1.016 GB, free: 155 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.313e-05/1.47, allocations: 24 kB / 1.016 GB, free: 155 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01367/1.484, allocations: 4.251 MB / 1.02 GB, free: 150.7 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004258/1.488, allocations: 1.028 MB / 1.021 GB, free: 149.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02855/1.516, allocations: 27.14 MB / 1.048 GB, free: 122.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00415/1.521, allocations: 0.5363 MB / 1.048 GB, free: 121.6 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005429/1.521, allocations: 147.9 kB / 1.049 GB, free: 121.4 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.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001206/1.522, allocations: 400.9 kB / 1.049 GB, free: 121 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006449/1.523, allocations: 214.2 kB / 1.049 GB, free: 120.9 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 0.02318/1.546, allocations: 10.08 MB / 1.059 GB, free: 110.8 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.081e-05/1.546, allocations: 28 kB / 1.059 GB, free: 110.7 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.42e-05/1.546, allocations: 16 kB / 1.059 GB, free: 110.7 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.781e-05/1.546, allocations: 19.94 kB / 1.059 GB, free: 110.7 MB / 0.7325 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 0.03014/1.576, allocations: 16.18 MB / 1.075 GB, free: 94.35 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.306e-05/1.576, allocations: 8 kB / 1.075 GB, free: 94.34 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002949/1.579, allocations: 0.7301 MB / 1.076 GB, free: 93.61 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01638/1.596, allocations: 5.103 MB / 1.081 GB, free: 88.5 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003952/1.596, allocations: 67.95 kB / 1.081 GB, free: 88.43 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03266/1.629, allocations: 27.26 MB / 1.107 GB, free: 60.7 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.562e-06/1.629, allocations: 8 kB / 1.107 GB, free: 60.69 MB / 0.7325 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 0.02299/1.652, allocations: 10.03 MB / 1.117 GB, free: 50.41 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002452/1.654, allocations: 0.7279 MB / 1.118 GB, free: 49.66 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008222/1.655, allocations: 59.98 kB / 1.118 GB, free: 49.6 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003626/1.659, allocations: 0.5027 MB / 1.118 GB, free: 49.1 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008644/1.659, allocations: 226.3 kB / 1.119 GB, free: 48.88 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002689/1.66, allocations: 95.95 kB / 1.119 GB, free: 48.79 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001415/1.661, allocations: 0.9776 MB / 1.12 GB, free: 47.8 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.1e-07/1.661, allocations: 0 / 1.12 GB, free: 47.8 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.006538/1.668, allocations: 1.84 MB / 1.121 GB, free: 45.96 MB / 0.7325 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 0.0004572/1.668, allocations: 185.2 kB / 1.122 GB, free: 45.78 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.0247/1.693, allocations: 11.98 MB / 1.133 GB, free: 33.7 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.083e-05/1.693, allocations: 4.125 kB / 1.133 GB, free: 33.7 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.009119/1.702, allocations: 4.263 MB / 1.137 GB, free: 29.39 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001995/1.704, allocations: 288.1 kB / 1.138 GB, free: 29.12 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02094/1.725, allocations: 9.591 MB / 1.147 GB, free: 19.41 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002507/1.727, allocations: 2.849 MB / 1.15 GB, free: 16.53 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.0039/1.731, allocations: 1.641 MB / 1.151 GB, free: 14.88 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005985/1.732, allocations: 175.3 kB / 1.152 GB, free: 14.71 MB / 0.7325 GB Notification: Performance of SimCode: time 1.222e-06/1.732, allocations: 0 / 1.152 GB, free: 14.71 MB / 0.7325 GB Notification: Performance of Templates: time 0.1166/1.848, allocations: 79.39 MB / 1.229 GB, free: 15.52 MB / 0.8106 GB make -j1 -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)