Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.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 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.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.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 0.001124/0.001129, allocations: 102.9 kB / 16.36 MB, free: 6.305 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001102/0.001102, allocations: 188.7 kB / 17.29 MB, free: 5.875 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.45/1.45, allocations: 205.1 MB / 223.2 MB, free: 12.25 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 1.781/1.781, allocations: 292.3 MB / 0.5496 GB, free: 17.46 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001466/0.001467, allocations: 67.91 kB / 0.673 GB, free: 5.812 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2258/0.2273, allocations: 114.5 MB / 0.7848 GB, free: 3.156 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.358/0.5853, allocations: 18.25 MB / 0.8026 GB, free: 40.27 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01054/0.5959, allocations: 6.849 MB / 0.8093 GB, free: 35.65 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00209/0.5981, allocations: 56.38 kB / 0.8094 GB, free: 35.64 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.004207/0.6024, allocations: 1.46 MB / 0.8108 GB, free: 34.78 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004286/0.6067, allocations: 1.404 MB / 0.8122 GB, free: 34 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.00385/0.6106, allocations: 1.298 MB / 0.8134 GB, free: 33.3 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.008012/0.6186, allocations: 5.458 MB / 0.8188 GB, free: 31 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01051/0.6292, allocations: 7.245 MB / 0.8258 GB, free: 28.39 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005207/0.6345, allocations: 2.363 MB / 0.8282 GB, free: 27.32 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005919/0.6404, allocations: 2.963 MB / 0.831 GB, free: 26.09 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.00228/0.6427, allocations: 0.5179 MB / 0.8316 GB, free: 26.08 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004666/0.6474, allocations: 1.275 MB / 0.8328 GB, free: 25.8 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.005387/0.6529, allocations: 2.248 MB / 0.835 GB, free: 24.94 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.007475/0.6604, allocations: 2.191 MB / 0.8371 GB, free: 23.52 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01399/0.6744, allocations: 7.772 MB / 0.8447 GB, free: 20.52 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 8.005e-06/0.6745, allocations: 0 / 0.8447 GB, free: 20.52 MB / 0.6544 GB Notification: Performance of FrontEnd: time 3.407e-06/0.6745, allocations: 1.375 kB / 0.8447 GB, free: 20.52 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002793/0.6748, allocations: 3.938 kB / 0.8447 GB, free: 20.52 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01366/0.6884, allocations: 3.826 MB / 0.8485 GB, free: 17.95 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.789e-05/0.6885, allocations: 10.53 kB / 0.8485 GB, free: 17.95 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01437/0.7029, allocations: 2.349 MB / 0.8508 GB, free: 16.83 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005888/0.7088, allocations: 2.186 MB / 0.8529 GB, free: 15.46 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002886/0.7091, allocations: 272.2 kB / 0.8532 GB, free: 15.34 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00193/0.7111, allocations: 350.6 kB / 0.8535 GB, free: 15.22 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01991/0.731, allocations: 7.127 MB / 0.8605 GB, free: 11.16 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001382/0.7312, allocations: 6.219 kB / 0.8605 GB, free: 11.16 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001315/0.7325, allocations: 152.9 kB / 0.8606 GB, free: 11.04 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005408/0.733, allocations: 326.8 kB / 0.8609 GB, free: 10.95 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01815/0.7512, allocations: 7.006 MB / 0.8678 GB, free: 5.434 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 0.04234/0.7936, allocations: 26.48 MB / 0.8936 GB, free: 8.766 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009755/0.8034, allocations: 4.991 MB / 0.8985 GB, free: 3.465 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006774/0.8102, allocations: 2.596 MB / 0.901 GB, free: 0.8477 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004161/0.8106, allocations: 135 kB / 0.9012 GB, free: 0.6992 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.859e-05/0.8107, allocations: 60.56 kB / 0.9012 GB, free: 0.6289 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 4.809e-06/0.8107, allocations: 1.875 kB / 0.9012 GB, free: 0.6289 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 0.1113/0.9221, allocations: 30.95 MB / 0.9314 GB, free: 1.598 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001554/0.9223, allocations: 247.5 kB / 0.9317 GB, free: 1.309 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002423/0.9247, allocations: 1.446 MB / 0.9331 GB, free: 15.86 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.000761/0.9255, allocations: 69.7 kB / 0.9332 GB, free: 15.78 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.001098/0.9266, allocations: 1.497 MB / 0.9346 GB, free: 14.26 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001365/0.928, allocations: 0.9203 MB / 0.9355 GB, free: 13.33 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00129/0.9293, allocations: 0.6241 MB / 0.9361 GB, free: 12.7 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001161/0.9294, allocations: 309.1 kB / 0.9364 GB, free: 12.39 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006198/0.9356, allocations: 2.666 MB / 0.939 GB, free: 9.715 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007019/0.9426, allocations: 3.552 MB / 0.9425 GB, free: 5.785 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01377/0.9564, allocations: 6.383 MB / 0.9487 GB, free: 15 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.199e-05/0.9565, allocations: 11.94 kB / 0.9487 GB, free: 14.99 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 0.02991/0.9864, allocations: 11 MB / 0.9595 GB, free: 3.887 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.06e-05/0.9865, allocations: 16 kB / 0.9595 GB, free: 3.871 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.505e-05/0.9865, allocations: 31.98 kB / 0.9595 GB, free: 3.84 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02043/1.007, allocations: 5.458 MB / 0.9648 GB, free: 14.37 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004657/1.012, allocations: 0.9827 MB / 0.9658 GB, free: 13.38 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04501/1.057, allocations: 28.15 MB / 0.9933 GB, free: 0.7734 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004732/1.061, allocations: 0.5536 MB / 0.9938 GB, free: 224 kB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005748/1.062, allocations: 148 kB / 0.994 GB, free: 76 kB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008668/1.071, allocations: 3.968 MB / 0.9979 GB, free: 12.1 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007054/1.078, allocations: 3.505 MB / 1.001 GB, free: 8.215 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09102/1.169, allocations: 24.56 MB / 1.025 GB, free: 15.14 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.451e-05/1.169, allocations: 8 kB / 1.025 GB, free: 15.14 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 0.02638/1.195, allocations: 10.48 MB / 1.036 GB, free: 4.508 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 2.931e-05/1.195, allocations: 16 kB / 1.036 GB, free: 4.492 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.585e-05/1.195, allocations: 32.56 kB / 1.036 GB, free: 4.461 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01485/1.21, allocations: 4.258 MB / 1.04 GB, free: 192 kB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004712/1.215, allocations: 1.034 MB / 1.041 GB, free: 15.15 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03488/1.25, allocations: 27.11 MB / 1.067 GB, free: 3.309 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004515/1.254, allocations: 0.5342 MB / 1.068 GB, free: 2.773 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005342/1.255, allocations: 148 kB / 1.068 GB, free: 2.629 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 0.0009177/1.256, allocations: 407.2 kB / 1.068 GB, free: 2.223 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005923/1.257, allocations: 201.6 kB / 1.068 GB, free: 2.023 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 0.02742/1.284, allocations: 10.17 MB / 1.078 GB, free: 7.781 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.633e-05/1.284, allocations: 39.92 kB / 1.078 GB, free: 7.742 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.059e-05/1.284, allocations: 12 kB / 1.078 GB, free: 7.73 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.877e-05/1.284, allocations: 11.95 kB / 1.078 GB, free: 7.719 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 0.03722/1.321, allocations: 16.26 MB / 1.094 GB, free: 7.215 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.945e-05/1.321, allocations: 9 kB / 1.094 GB, free: 7.207 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003624/1.325, allocations: 0.741 MB / 1.095 GB, free: 6.465 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01876/1.344, allocations: 5.091 MB / 1.1 GB, free: 1.355 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006147/1.345, allocations: 71.95 kB / 1.1 GB, free: 1.285 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04016/1.385, allocations: 27.21 MB / 1.127 GB, free: 5.57 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.222e-05/1.385, allocations: 15.97 kB / 1.127 GB, free: 5.555 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 0.3659/1.751, allocations: 10.09 MB / 1.137 GB, free: 289.1 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001807/1.752, allocations: 0.7175 MB / 1.137 GB, free: 289 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005851/1.753, allocations: 56.02 kB / 1.137 GB, free: 289 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003661/1.757, allocations: 0.5053 MB / 1.138 GB, free: 289 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007427/1.758, allocations: 224.7 kB / 1.138 GB, free: 289 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002747/1.758, allocations: 93.09 kB / 1.138 GB, free: 289 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001333/1.759, allocations: 0.978 MB / 1.139 GB, free: 288.9 MB / 0.92 GB Notification: Performance of sort global known variables: time 1.6e-07/1.759, allocations: 0 / 1.139 GB, free: 288.9 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.007412/1.767, allocations: 1.84 MB / 1.141 GB, free: 288.9 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 0.0006914/1.767, allocations: 190.2 kB / 1.141 GB, free: 288.8 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.03341/1.801, allocations: 12.41 MB / 1.153 GB, free: 287.8 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.68e-05/1.801, allocations: 1.281 kB / 1.153 GB, free: 287.8 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01212/1.813, allocations: 4.417 MB / 1.157 GB, free: 286.9 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003556/1.816, allocations: 285 kB / 1.158 GB, free: 286.8 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02805/1.845, allocations: 10.07 MB / 1.168 GB, free: 283.3 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004764/1.849, allocations: 2.914 MB / 1.17 GB, free: 282.1 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001193/1.851, allocations: 212.6 kB / 1.171 GB, free: 282.1 MB / 0.92 GB Notification: Performance of SimCode: time 1.443e-06/1.851, allocations: 0 / 1.171 GB, free: 282.1 MB / 0.92 GB Notification: Performance of Templates: time 0.1112/1.962, allocations: 107.5 MB / 1.276 GB, free: 195.8 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)