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 0.001248/0.001248, allocations: 101.5 kB / 16.36 MB, free: 6.434 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001221/0.001221, allocations: 193.7 kB / 17.3 MB, free: 5.797 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.387/1.387, allocations: 205.1 MB / 223.2 MB, free: 12.23 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 1.823/1.823, allocations: 292.3 MB / 0.5496 GB, free: 17.51 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 0.002663/0.002663, allocations: 71.89 kB / 0.673 GB, free: 5.809 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2581/0.2607, allocations: 114.5 MB / 0.7848 GB, free: 3.145 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.4316/0.6923, allocations: 18.15 MB / 0.8025 GB, free: 40.38 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01136/0.7038, allocations: 6.828 MB / 0.8092 GB, free: 35.78 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002359/0.7062, allocations: 57.41 kB / 0.8093 GB, free: 35.77 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.003869/0.7101, allocations: 1.463 MB / 0.8107 GB, free: 34.91 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004133/0.7143, allocations: 1.392 MB / 0.8121 GB, free: 34.14 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.004055/0.7183, allocations: 1.282 MB / 0.8133 GB, free: 33.45 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.008313/0.7267, allocations: 5.442 MB / 0.8186 GB, free: 31.16 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009928/0.7366, allocations: 7.197 MB / 0.8257 GB, free: 28.57 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005528/0.7422, allocations: 2.345 MB / 0.8279 GB, free: 27.51 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006102/0.7483, allocations: 2.957 MB / 0.8308 GB, free: 26.27 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002044/0.7504, allocations: 0.5114 MB / 0.8313 GB, free: 26.27 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005152/0.7556, allocations: 1.256 MB / 0.8326 GB, free: 26 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.005061/0.7607, allocations: 2.242 MB / 0.8347 GB, free: 25.14 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.007127/0.7678, allocations: 2.162 MB / 0.8369 GB, free: 23.75 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01356/0.7814, allocations: 7.73 MB / 0.8444 GB, free: 20.73 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 6.923e-06/0.7814, allocations: 0 / 0.8444 GB, free: 20.73 MB / 0.6544 GB Notification: Performance of FrontEnd: time 2.214e-06/0.7815, allocations: 0 / 0.8444 GB, free: 20.73 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002515/0.7817, allocations: 1.719 kB / 0.8444 GB, free: 20.73 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 0.01458/0.7963, allocations: 3.791 MB / 0.8481 GB, free: 18.19 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.627e-05/0.7964, allocations: 13.94 kB / 0.8481 GB, free: 18.18 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01395/0.8103, allocations: 2.334 MB / 0.8504 GB, free: 17.07 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007048/0.8174, allocations: 2.143 MB / 0.8525 GB, free: 15.73 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002831/0.8177, allocations: 265.2 kB / 0.8527 GB, free: 15.61 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002117/0.8199, allocations: 348.3 kB / 0.8531 GB, free: 15.49 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02047/0.8403, allocations: 7.099 MB / 0.86 GB, free: 11.44 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001133/0.8405, allocations: 5.922 kB / 0.86 GB, free: 11.44 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008435/0.8413, allocations: 152.2 kB / 0.8602 GB, free: 11.32 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005022/0.8418, allocations: 329.5 kB / 0.8605 GB, free: 11.23 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01716/0.859, allocations: 6.983 MB / 0.8673 GB, free: 5.883 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 0.03784/0.8969, allocations: 26.36 MB / 0.893 GB, free: 9.348 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009092/0.906, allocations: 4.991 MB / 0.8979 GB, free: 4.047 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006242/0.9123, allocations: 2.6 MB / 0.9004 GB, free: 1.43 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003644/0.9127, allocations: 135 kB / 0.9006 GB, free: 1.281 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.476e-05/0.9128, allocations: 60.56 kB / 0.9006 GB, free: 1.211 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 4.519e-06/0.9128, allocations: 0 / 0.9006 GB, free: 1.211 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 0.1091/1.022, allocations: 30.9 MB / 0.9308 GB, free: 2.227 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001989/1.022, allocations: 235.6 kB / 0.931 GB, free: 1.949 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002542/1.025, allocations: 1.404 MB / 0.9324 GB, free: 0.5352 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0005868/1.025, allocations: 73.7 kB / 0.9325 GB, free: 468 kB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001042/1.026, allocations: 1.486 MB / 0.9339 GB, free: 14.95 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001262/1.028, allocations: 0.9165 MB / 0.9348 GB, free: 14.02 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001713/1.029, allocations: 0.6318 MB / 0.9354 GB, free: 13.38 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 9.57e-05/1.029, allocations: 301.1 kB / 0.9357 GB, free: 13.08 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006104/1.036, allocations: 2.674 MB / 0.9383 GB, free: 10.39 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006584/1.042, allocations: 3.548 MB / 0.9418 GB, free: 6.469 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01251/1.055, allocations: 6.387 MB / 0.948 GB, free: 15.68 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.772e-05/1.055, allocations: 13.91 kB / 0.9481 GB, free: 15.67 MB / 0.7481 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02914/1.084, allocations: 10.98 MB / 0.9588 GB, free: 4.578 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.124e-05/1.084, allocations: 20.09 kB / 0.9588 GB, free: 4.559 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.773e-05/1.084, allocations: 28 kB / 0.9588 GB, free: 4.531 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02055/1.105, allocations: 5.454 MB / 0.9642 GB, free: 15.06 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004944/1.11, allocations: 0.9906 MB / 0.9651 GB, free: 14.07 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04671/1.156, allocations: 28.14 MB / 0.9926 GB, free: 1.477 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004698/1.161, allocations: 0.5536 MB / 0.9931 GB, free: 0.9219 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008209/1.162, allocations: 144 kB / 0.9933 GB, free: 0.7812 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009196/1.171, allocations: 3.964 MB / 0.9971 GB, free: 12.81 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007022/1.178, allocations: 3.513 MB / 1.001 GB, free: 8.918 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09267/1.271, allocations: 24.56 MB / 1.025 GB, free: 15.85 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.942e-05/1.271, allocations: 4 kB / 1.025 GB, free: 15.84 MB / 0.8262 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 0.02743/1.298, allocations: 10.5 MB / 1.035 GB, free: 5.203 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 3.532e-05/1.299, allocations: 20 kB / 1.035 GB, free: 5.184 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.649e-05/1.299, allocations: 24 kB / 1.035 GB, free: 5.16 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01563/1.314, allocations: 4.251 MB / 1.039 GB, free: 0.8906 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004765/1.319, allocations: 1.033 MB / 1.04 GB, free: 15.86 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03848/1.358, allocations: 27.09 MB / 1.066 GB, free: 4.043 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004891/1.362, allocations: 0.538 MB / 1.067 GB, free: 3.504 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007308/1.363, allocations: 148 kB / 1.067 GB, free: 3.359 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 0.001407/1.365, allocations: 396.8 kB / 1.068 GB, free: 2.965 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009504/1.366, allocations: 197.7 kB / 1.068 GB, free: 2.77 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 0.02862/1.394, allocations: 10.15 MB / 1.078 GB, free: 8.535 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.836e-05/1.394, allocations: 32 kB / 1.078 GB, free: 8.504 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.701e-05/1.394, allocations: 12 kB / 1.078 GB, free: 8.492 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.483e-05/1.394, allocations: 15.95 kB / 1.078 GB, free: 8.477 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 0.04001/1.434, allocations: 16.25 MB / 1.094 GB, free: 7.992 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.395e-05/1.434, allocations: 8.969 kB / 1.094 GB, free: 7.984 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003704/1.438, allocations: 0.741 MB / 1.094 GB, free: 7.242 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01911/1.457, allocations: 5.103 MB / 1.099 GB, free: 2.121 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006208/1.458, allocations: 75.94 kB / 1.099 GB, free: 2.047 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04093/1.499, allocations: 27.2 MB / 1.126 GB, free: 6.348 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.165e-05/1.499, allocations: 12.03 kB / 1.126 GB, free: 6.336 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 0.3807/1.88, allocations: 10.1 MB / 1.136 GB, free: 289 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002251/1.882, allocations: 0.709 MB / 1.136 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006334/1.883, allocations: 57.8 kB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003628/1.886, allocations: 0.4991 MB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008229/1.887, allocations: 226.2 kB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000254/1.887, allocations: 93.06 kB / 1.137 GB, free: 288.9 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001308/1.889, allocations: 0.9515 MB / 1.138 GB, free: 288.7 MB / 0.92 GB Notification: Performance of sort global known variables: time 2e-07/1.889, allocations: 0 / 1.138 GB, free: 288.7 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.007148/1.896, allocations: 1.831 MB / 1.14 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 0.0005535/1.896, allocations: 182.5 kB / 1.14 GB, free: 288.7 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.02989/1.926, allocations: 12.41 MB / 1.152 GB, free: 287.6 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.173e-05/1.926, allocations: 1.156 kB / 1.152 GB, free: 287.6 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01126/1.938, allocations: 4.415 MB / 1.157 GB, free: 287 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002456/1.94, allocations: 262.8 kB / 1.157 GB, free: 286.9 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02184/1.962, allocations: 8.944 MB / 1.166 GB, free: 283.7 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003629/1.966, allocations: 2.836 MB / 1.168 GB, free: 282.5 MB / 0.92 GB Notification: Performance of simCode: alias equations: time 0.004946/1.971, allocations: 1.641 MB / 1.17 GB, free: 282.5 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000653/1.971, allocations: 171.5 kB / 1.17 GB, free: 282.5 MB / 0.92 GB Notification: Performance of SimCode: time 9.41e-07/1.971, allocations: 0 / 1.17 GB, free: 282.5 MB / 0.92 GB Notification: Performance of Templates: time 0.09643/2.068, allocations: 77.13 MB / 1.245 GB, free: 226.8 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 -s gbode -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)