Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00106/0.00106, allocations: 102.6 kB / 15.98 MB, free: 6.344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001069/0.001069, allocations: 199.5 kB / 16.91 MB, free: 6.184 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.457/1.457, allocations: 205.1 MB / 222.8 MB, free: 4.684 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.816/1.816, allocations: 292.3 MB / 0.5492 GB, free: 13.62 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 0.001364/0.001364, allocations: 70.12 kB / 0.6717 GB, free: 26.37 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2058/0.2072, allocations: 114.5 MB / 0.7836 GB, free: 13.88 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.01995/0.2272, allocations: 18.04 MB / 0.8012 GB, free: 11.77 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01069/0.2379, allocations: 6.802 MB / 0.8078 GB, free: 4.949 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001564/0.2395, allocations: 43.88 kB / 0.8079 GB, free: 4.906 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003693/0.2433, allocations: 1.346 MB / 0.8092 GB, free: 3.555 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.003605/0.2469, allocations: 1.3 MB / 0.8104 GB, free: 2.25 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.003654/0.2506, allocations: 1.169 MB / 0.8116 GB, free: 1.082 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.006446/0.257, allocations: 5.468 MB / 0.8169 GB, free: 11.6 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01241/0.2695, allocations: 8.482 MB / 0.8252 GB, free: 3.016 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003735/0.2733, allocations: 2.368 MB / 0.8275 GB, free: 0.6406 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005592/0.2789, allocations: 3.121 MB / 0.8306 GB, free: 13.51 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.001426/0.2804, allocations: 0.5117 MB / 0.8311 GB, free: 13 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003105/0.2835, allocations: 1.28 MB / 0.8323 GB, free: 11.72 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.003079/0.2866, allocations: 2.23 MB / 0.8345 GB, free: 9.484 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.004097/0.2907, allocations: 2.179 MB / 0.8366 GB, free: 7.297 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.007772/0.2985, allocations: 6.622 MB / 0.8431 GB, free: 0.6602 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 6.552e-06/0.2985, allocations: 0 / 0.8431 GB, free: 0.6602 MB / 0.6544 GB Notification: Performance of FrontEnd: time 2.515e-06/0.2985, allocations: 0 / 0.8431 GB, free: 0.6602 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002282/0.2988, allocations: 0 / 0.8431 GB, free: 0.6602 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 0.01016/0.309, allocations: 3.788 MB / 0.8468 GB, free: 12.81 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 6.703e-05/0.309, allocations: 12.03 kB / 0.8468 GB, free: 12.8 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01276/0.3218, allocations: 2.349 MB / 0.8491 GB, free: 10.45 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005875/0.3277, allocations: 2.14 MB / 0.8512 GB, free: 8.262 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002608/0.328, allocations: 267.4 kB / 0.8514 GB, free: 8 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001438/0.3295, allocations: 351.8 kB / 0.8518 GB, free: 7.656 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01691/0.3464, allocations: 7.095 MB / 0.8587 GB, free: 472 kB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.243e-05/0.3465, allocations: 7.938 kB / 0.8587 GB, free: 464 kB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000532/0.3471, allocations: 148 kB / 0.8588 GB, free: 316 kB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004993/0.3476, allocations: 326.1 kB / 0.8592 GB, free: 15.98 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0169/0.3645, allocations: 6.989 MB / 0.866 GB, free: 8.984 MB / 0.6856 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04029/0.4048, allocations: 26.54 MB / 0.8919 GB, free: 12.27 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009605/0.4145, allocations: 4.992 MB / 0.8968 GB, free: 6.973 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006443/0.421, allocations: 2.596 MB / 0.8993 GB, free: 4.355 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003727/0.4214, allocations: 139 kB / 0.8994 GB, free: 4.203 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.09e-05/0.4215, allocations: 52.56 kB / 0.8995 GB, free: 4.141 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 4.308e-06/0.4215, allocations: 0 / 0.8995 GB, free: 4.141 MB / 0.7169 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.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 0.5592/0.9807, allocations: 30.89 MB / 0.9297 GB, free: 124.7 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.223e-05/0.9809, allocations: 241.9 kB / 0.9299 GB, free: 124.4 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002001/0.9829, allocations: 1.397 MB / 0.9313 GB, free: 123.9 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0005206/0.9834, allocations: 71.02 kB / 0.9313 GB, free: 123.9 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008287/0.9842, allocations: 1.483 MB / 0.9328 GB, free: 122.7 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009112/0.9852, allocations: 0.9276 MB / 0.9337 GB, free: 122 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00104/0.9862, allocations: 0.6314 MB / 0.9343 GB, free: 121.7 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 5.371e-05/0.9863, allocations: 306 kB / 0.9346 GB, free: 121.4 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00599/0.9923, allocations: 2.669 MB / 0.9372 GB, free: 120.6 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007037/0.9993, allocations: 3.547 MB / 0.9407 GB, free: 118.7 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01284/1.012, allocations: 6.386 MB / 0.9469 GB, free: 115.7 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.765e-05/1.012, allocations: 7.438 kB / 0.9469 GB, free: 115.7 MB / 0.7325 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.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 0.02712/1.039, allocations: 10.95 MB / 0.9576 GB, free: 110.8 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.918e-05/1.039, allocations: 16.28 kB / 0.9576 GB, free: 110.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.384e-05/1.04, allocations: 27.62 kB / 0.9576 GB, free: 110.8 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01775/1.057, allocations: 5.505 MB / 0.963 GB, free: 108.2 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003831/1.061, allocations: 0.9899 MB / 0.964 GB, free: 107.9 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0332/1.094, allocations: 28.15 MB / 0.9915 GB, free: 81.84 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004198/1.099, allocations: 0.5536 MB / 0.992 GB, free: 81.29 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004123/1.099, allocations: 159.9 kB / 0.9922 GB, free: 81.13 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006492/1.106, allocations: 3.956 MB / 0.996 GB, free: 77.16 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005071/1.111, allocations: 3.513 MB / 0.9995 GB, free: 73.28 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07802/1.189, allocations: 24.6 MB / 1.023 GB, free: 48.2 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.641e-05/1.189, allocations: 8 kB / 1.023 GB, free: 48.19 MB / 0.7325 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 0.02215/1.211, allocations: 10.49 MB / 1.034 GB, free: 37.55 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 3.39e-05/1.211, allocations: 19.94 kB / 1.034 GB, free: 37.54 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.642e-05/1.211, allocations: 24.75 kB / 1.034 GB, free: 37.51 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01356/1.225, allocations: 4.259 MB / 1.038 GB, free: 33.24 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004224/1.229, allocations: 1.034 MB / 1.039 GB, free: 32.21 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02872/1.258, allocations: 27.14 MB / 1.065 GB, free: 4.379 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004187/1.262, allocations: 0.5341 MB / 1.066 GB, free: 3.844 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006603/1.263, allocations: 148 kB / 1.066 GB, free: 3.699 MB / 0.7325 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.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 0.001303/1.264, allocations: 404.5 kB / 1.066 GB, free: 3.297 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008592/1.265, allocations: 193.7 kB / 1.067 GB, free: 3.105 MB / 0.7325 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : 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 0.02609/1.291, allocations: 10.16 MB / 1.077 GB, free: 8.867 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.803e-05/1.291, allocations: 28 kB / 1.077 GB, free: 8.84 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.491e-05/1.291, allocations: 12 kB / 1.077 GB, free: 8.828 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.861e-05/1.291, allocations: 14.77 kB / 1.077 GB, free: 8.816 MB / 0.7481 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 0.03749/1.329, allocations: 16.33 MB / 1.093 GB, free: 8.316 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.283e-05/1.329, allocations: 8 kB / 1.093 GB, free: 8.309 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003382/1.332, allocations: 0.7411 MB / 1.093 GB, free: 7.566 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01871/1.351, allocations: 5.115 MB / 1.098 GB, free: 2.434 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006235/1.351, allocations: 79.94 kB / 1.098 GB, free: 2.355 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04147/1.393, allocations: 27.2 MB / 1.125 GB, free: 6.684 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.542e-05/1.393, allocations: 20.02 kB / 1.125 GB, free: 6.664 MB / 0.795 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 0.02666/1.42, allocations: 10.13 MB / 1.135 GB, free: 12.29 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002025/1.422, allocations: 0.7093 MB / 1.136 GB, free: 11.56 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009161/1.423, allocations: 63.92 kB / 1.136 GB, free: 11.5 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003841/1.426, allocations: 0.4953 MB / 1.136 GB, free: 11 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001135/1.428, allocations: 230.3 kB / 1.136 GB, free: 10.78 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005191/1.428, allocations: 91.95 kB / 1.136 GB, free: 10.69 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.002164/1.43, allocations: 0.945 MB / 1.137 GB, free: 9.738 MB / 0.8106 GB Notification: Performance of sort global known variables: time 1.5e-07/1.43, allocations: 4 kB / 1.137 GB, free: 9.734 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.009069/1.439, allocations: 1.836 MB / 1.139 GB, free: 7.898 MB / 0.8106 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0006528/1.44, allocations: 178.9 kB / 1.139 GB, free: 7.715 MB / 0.8106 GB Notification: Performance of simCode: created initialization part: time 0.0346/1.475, allocations: 14.33 MB / 1.153 GB, free: 9.289 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 1.682e-05/1.475, allocations: 1.812 kB / 1.153 GB, free: 9.289 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.01105/1.486, allocations: 4.41 MB / 1.158 GB, free: 4.844 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003037/1.489, allocations: 262.4 kB / 1.158 GB, free: 4.59 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02734/1.516, allocations: 11.64 MB / 1.169 GB, free: 8.836 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004397/1.521, allocations: 2.903 MB / 1.172 GB, free: 5.898 MB / 0.8419 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001264/1.522, allocations: 211.3 kB / 1.172 GB, free: 5.691 MB / 0.8419 GB Notification: Performance of SimCode: time 6.81e-07/1.522, allocations: 0 / 1.172 GB, free: 5.691 MB / 0.8419 GB Notification: Performance of Templates: time 0.5437/2.066, allocations: 106.6 MB / 1.276 GB, free: 304.8 MB / 0.9356 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)