Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001141/0.001141, allocations: 114.2 kB / 16.37 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00107/0.00107, allocations: 191.9 kB / 17.31 MB, free: 5.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.344/1.344, allocations: 205.1 MB / 223.2 MB, free: 12.13 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 1.786/1.786, allocations: 292.3 MB / 0.5496 GB, free: 17.55 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 0.001349/0.001349, allocations: 67.89 kB / 0.673 GB, free: 5.844 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2177/0.219, allocations: 114.5 MB / 0.7848 GB, free: 3.176 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.4521/0.6711, allocations: 18.24 MB / 0.8026 GB, free: 40.43 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01111/0.6823, allocations: 6.899 MB / 0.8094 GB, free: 35.77 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002252/0.6846, allocations: 57.62 kB / 0.8094 GB, free: 35.77 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.004136/0.6887, allocations: 1.466 MB / 0.8109 GB, free: 34.9 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004163/0.6929, allocations: 1.423 MB / 0.8122 GB, free: 34.11 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.00404/0.697, allocations: 1.283 MB / 0.8135 GB, free: 33.43 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.0074/0.7044, allocations: 5.468 MB / 0.8188 GB, free: 31.12 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01097/0.7154, allocations: 7.24 MB / 0.8259 GB, free: 28.5 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004706/0.7201, allocations: 2.373 MB / 0.8282 GB, free: 27.43 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005723/0.7259, allocations: 2.975 MB / 0.8311 GB, free: 26.18 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002218/0.7282, allocations: 0.5139 MB / 0.8316 GB, free: 26.18 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004537/0.7327, allocations: 1.268 MB / 0.8329 GB, free: 25.91 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.00499/0.7378, allocations: 2.246 MB / 0.8351 GB, free: 25.04 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.006774/0.7445, allocations: 2.192 MB / 0.8372 GB, free: 23.62 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01488/0.7595, allocations: 7.774 MB / 0.8448 GB, free: 20.59 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 1.206e-05/0.7595, allocations: 0 / 0.8448 GB, free: 20.59 MB / 0.6544 GB Notification: Performance of FrontEnd: time 2.535e-06/0.7595, allocations: 4 kB / 0.8448 GB, free: 20.59 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0003291/0.7599, allocations: 0 / 0.8448 GB, free: 20.59 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 0.01288/0.7728, allocations: 3.824 MB / 0.8485 GB, free: 18.02 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.795e-05/0.7728, allocations: 8.938 kB / 0.8485 GB, free: 18.02 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01386/0.7867, allocations: 2.351 MB / 0.8508 GB, free: 16.9 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005795/0.7925, allocations: 2.189 MB / 0.853 GB, free: 15.53 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000241/0.7928, allocations: 263.2 kB / 0.8532 GB, free: 15.41 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001698/0.7945, allocations: 359.7 kB / 0.8536 GB, free: 15.29 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01682/0.8113, allocations: 7.132 MB / 0.8605 GB, free: 11.22 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.193e-05/0.8114, allocations: 0 / 0.8605 GB, free: 11.22 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000487/0.8119, allocations: 152.7 kB / 0.8607 GB, free: 11.11 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004932/0.8124, allocations: 332.9 kB / 0.861 GB, free: 11.01 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01649/0.8289, allocations: 7.004 MB / 0.8678 GB, free: 5.414 MB / 0.6544 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0357/0.8647, allocations: 26.42 MB / 0.8936 GB, free: 8.812 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009011/0.8737, allocations: 4.987 MB / 0.8985 GB, free: 3.516 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006518/0.8803, allocations: 2.6 MB / 0.9011 GB, free: 0.8945 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003242/0.8806, allocations: 131 kB / 0.9012 GB, free: 0.75 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.985e-05/0.8807, allocations: 60.5 kB / 0.9012 GB, free: 0.6797 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 4.087e-06/0.8807, allocations: 4 kB / 0.9012 GB, free: 0.6758 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.conv2.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.conv2.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 0.1076/0.9883, allocations: 30.95 MB / 0.9315 GB, free: 1.645 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001282/0.9885, allocations: 239.6 kB / 0.9317 GB, free: 1.363 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002232/0.9907, allocations: 1.449 MB / 0.9331 GB, free: 15.91 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0006148/0.9914, allocations: 69.7 kB / 0.9332 GB, free: 15.83 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009567/0.9923, allocations: 1.497 MB / 0.9346 GB, free: 14.31 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001094/0.9934, allocations: 0.9242 MB / 0.9355 GB, free: 13.38 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00116/0.9946, allocations: 0.6163 MB / 0.9361 GB, free: 12.75 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001111/0.9947, allocations: 317 kB / 0.9364 GB, free: 12.44 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006322/1.001, allocations: 2.667 MB / 0.939 GB, free: 9.762 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007283/1.008, allocations: 3.548 MB / 0.9425 GB, free: 5.836 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01378/1.022, allocations: 6.383 MB / 0.9487 GB, free: 15.05 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.759e-05/1.022, allocations: 8 kB / 0.9487 GB, free: 15.05 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.conv2.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.conv2.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 0.0301/1.052, allocations: 10.95 MB / 0.9594 GB, free: 3.988 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.163e-05/1.052, allocations: 18.19 kB / 0.9595 GB, free: 3.973 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.275e-05/1.052, allocations: 24 kB / 0.9595 GB, free: 3.949 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02074/1.073, allocations: 5.482 MB / 0.9648 GB, free: 14.45 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004712/1.078, allocations: 0.9866 MB / 0.9658 GB, free: 13.46 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0444/1.122, allocations: 28.16 MB / 0.9933 GB, free: 0.8516 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004898/1.127, allocations: 0.5541 MB / 0.9938 GB, free: 304 kB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006269/1.128, allocations: 148 kB / 0.994 GB, free: 156 kB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009412/1.137, allocations: 3.964 MB / 0.9978 GB, free: 12.18 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007514/1.145, allocations: 3.513 MB / 1.001 GB, free: 8.289 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09504/1.24, allocations: 24.56 MB / 1.025 GB, free: 15.22 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.41e-05/1.24, allocations: 12 kB / 1.025 GB, free: 15.21 MB / 0.8262 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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] ; -transformer.conv2.V2[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_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_lambda0): time 0.02935/1.269, allocations: 10.49 MB / 1.036 GB, free: 4.578 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 4.578e-05/1.27, allocations: 23.98 kB / 1.036 GB, free: 4.555 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.217e-05/1.27, allocations: 27.94 kB / 1.036 GB, free: 4.527 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01591/1.286, allocations: 4.239 MB / 1.04 GB, free: 276 kB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004986/1.291, allocations: 1.038 MB / 1.041 GB, free: 15.23 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03768/1.328, allocations: 27.13 MB / 1.067 GB, free: 3.371 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00503/1.333, allocations: 0.5342 MB / 1.068 GB, free: 2.836 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000651/1.334, allocations: 148 kB / 1.068 GB, free: 2.691 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.i1[2]) - line2.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[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 0.001088/1.335, allocations: 409.8 kB / 1.068 GB, free: 2.285 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006732/1.336, allocations: 201.6 kB / 1.068 GB, free: 2.086 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[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] ; -transformer.conv2.V2[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] ; -loadRL.load1.v[1] ] 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 wrapFunctionCalls (simulation): time 0.02883/1.365, allocations: 10.16 MB / 1.078 GB, free: 7.848 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.724e-05/1.365, allocations: 35.88 kB / 1.078 GB, free: 7.812 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.01e-05/1.365, allocations: 13.12 kB / 1.078 GB, free: 7.801 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.017e-05/1.365, allocations: 11.95 kB / 1.078 GB, free: 7.789 MB / 0.8731 GB Warning: The linear system: 1 : 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] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : 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] 4 : transformer.conv2.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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; -loadRL.load1.v[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] ; -transformer.conv2.V2[1] ] 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 0.04044/1.405, allocations: 16.3 MB / 1.094 GB, free: 7.238 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.006e-05/1.405, allocations: 8 kB / 1.094 GB, free: 7.23 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003952/1.409, allocations: 0.7337 MB / 1.095 GB, free: 6.496 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01977/1.429, allocations: 5.103 MB / 1.1 GB, free: 1.375 MB / 0.8887 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008655/1.43, allocations: 71.95 kB / 1.1 GB, free: 1.305 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04538/1.475, allocations: 27.18 MB / 1.127 GB, free: 5.625 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.834e-05/1.476, allocations: 15.97 kB / 1.127 GB, free: 5.609 MB / 0.92 GB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.4843/1.96, allocations: 10.13 MB / 1.137 GB, free: 289.2 MB / 0.92 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001906/1.962, allocations: 0.7178 MB / 1.137 GB, free: 289.1 MB / 0.92 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005531/1.962, allocations: 59.81 kB / 1.137 GB, free: 289.1 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003841/1.966, allocations: 0.4972 MB / 1.138 GB, free: 289.1 MB / 0.92 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008792/1.967, allocations: 230 kB / 1.138 GB, free: 289.1 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003025/1.967, allocations: 94.44 kB / 1.138 GB, free: 289.1 MB / 0.92 GB Notification: Performance of sorting global known variables: time 0.001416/1.969, allocations: 0.9772 MB / 1.139 GB, free: 289 MB / 0.92 GB Notification: Performance of sort global known variables: time 1.41e-07/1.969, allocations: 2.719 kB / 1.139 GB, free: 289 MB / 0.92 GB Notification: Performance of remove unused functions: time 0.00767/1.977, allocations: 1.84 MB / 1.141 GB, free: 289 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 0.0006216/1.977, allocations: 181.5 kB / 1.141 GB, free: 288.9 MB / 0.92 GB Notification: Performance of simCode: created initialization part: time 0.03301/2.01, allocations: 12.41 MB / 1.153 GB, free: 287.9 MB / 0.92 GB Notification: Performance of simCode: created event and clocks part: time 1.433e-05/2.01, allocations: 4.406 kB / 1.153 GB, free: 287.9 MB / 0.92 GB Notification: Performance of simCode: created simulation system equations: time 0.01195/2.022, allocations: 4.388 MB / 1.157 GB, free: 287.2 MB / 0.92 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002718/2.025, allocations: 282.8 kB / 1.158 GB, free: 287 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02882/2.054, allocations: 10.06 MB / 1.168 GB, free: 283.5 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003505/2.057, allocations: 2.916 MB / 1.17 GB, free: 282.3 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001238/2.059, allocations: 212.2 kB / 1.171 GB, free: 282.3 MB / 0.92 GB Notification: Performance of SimCode: time 1.162e-06/2.059, allocations: 0.9844 kB / 1.171 GB, free: 282.3 MB / 0.92 GB Notification: Performance of Templates: time 0.09854/2.157, allocations: 107.5 MB / 1.276 GB, free: 195.9 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)