Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.002013/0.002013, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002228/0.002228, allocations: 188 kB / 16.25 MB, free: 6.629 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.43/1.43, allocations: 222.9 MB / 239.9 MB, free: 4.559 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.795/2.795, allocations: 472.6 MB / 0.7448 GB, free: 4.91 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.0012/0.0012, allocations: 70.45 kB / 0.9116 GB, free: 33.59 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3104/0.3116, allocations: 159.9 MB / 1.068 GB, free: 10.79 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02067/0.3323, allocations: 18.06 MB / 1.085 GB, free: 8.664 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.01115/0.3435, allocations: 6.761 MB / 1.092 GB, free: 1.887 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001751/0.3453, allocations: 43.88 kB / 1.092 GB, free: 1.844 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.003757/0.3491, allocations: 1.365 MB / 1.093 GB, free: 488 kB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.003578/0.3527, allocations: 1.316 MB / 1.095 GB, free: 15.16 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.003074/0.3557, allocations: 1.161 MB / 1.096 GB, free: 14 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.005931/0.3617, allocations: 5.468 MB / 1.101 GB, free: 8.516 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0136/0.3753, allocations: 8.462 MB / 1.109 GB, free: 15.95 MB / 0.8731 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003717/0.3791, allocations: 2.372 MB / 1.112 GB, free: 13.57 MB / 0.8731 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005202/0.3843, allocations: 3.128 MB / 1.115 GB, free: 10.43 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.001726/0.3861, allocations: 0.5117 MB / 1.115 GB, free: 9.922 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003579/0.3897, allocations: 1.264 MB / 1.116 GB, free: 8.656 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.004449/0.3942, allocations: 2.23 MB / 1.119 GB, free: 6.422 MB / 0.8731 GB Notification: Performance of NFVerifyModel.verify: time 0.004751/0.3989, allocations: 2.179 MB / 1.121 GB, free: 4.234 MB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.009163/0.4081, allocations: 7.725 MB / 1.128 GB, free: 12.49 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 6.162e-06/0.4082, allocations: 4 kB / 1.128 GB, free: 12.48 MB / 0.8887 GB Notification: Performance of FrontEnd: time 1.844e-06/0.4082, allocations: 0 / 1.128 GB, free: 12.48 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.000212/0.4084, allocations: 4 kB / 1.128 GB, free: 12.48 MB / 0.8887 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 0.01013/0.4185, allocations: 3.788 MB / 1.132 GB, free: 8.633 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 5.136e-05/0.4186, allocations: 8.031 kB / 1.132 GB, free: 8.625 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01349/0.4321, allocations: 2.399 MB / 1.134 GB, free: 6.219 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004696/0.4368, allocations: 2.159 MB / 1.136 GB, free: 4.016 MB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002131/0.4371, allocations: 263.4 kB / 1.137 GB, free: 3.758 MB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001083/0.4382, allocations: 351.8 kB / 1.137 GB, free: 3.414 MB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01573/0.4539, allocations: 7.128 MB / 1.144 GB, free: 12.18 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.436e-05/0.454, allocations: 7.938 kB / 1.144 GB, free: 12.18 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005375/0.4546, allocations: 144 kB / 1.144 GB, free: 12.04 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004714/0.4551, allocations: 330 kB / 1.144 GB, free: 11.71 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01657/0.4716, allocations: 7.032 MB / 1.151 GB, free: 4.668 MB / 0.9044 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 0.03725/0.5089, allocations: 26.63 MB / 1.177 GB, free: 7.863 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008716/0.5177, allocations: 4.988 MB / 1.182 GB, free: 2.57 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006098/0.5238, allocations: 2.6 MB / 1.185 GB, free: 15.95 MB / 0.9512 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003053/0.5241, allocations: 131 kB / 1.185 GB, free: 15.8 MB / 0.9512 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.1e-05/0.5242, allocations: 64.5 kB / 1.185 GB, free: 15.73 MB / 0.9512 GB Notification: Performance of pre-optimization done (n=208): time 3.566e-06/0.5242, allocations: 0 / 1.185 GB, free: 15.73 MB / 0.9512 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 0.1053/0.6296, allocations: 30.89 MB / 1.215 GB, free: 0.7578 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001295/0.6297, allocations: 247.5 kB / 1.215 GB, free: 480 kB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002252/0.632, allocations: 1.427 MB / 1.217 GB, free: 15.03 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 0.0005047/0.6325, allocations: 69.7 kB / 1.217 GB, free: 14.95 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009298/0.6334, allocations: 1.485 MB / 1.218 GB, free: 13.45 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.001082/0.6345, allocations: 0.9165 MB / 1.219 GB, free: 12.52 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001216/0.6358, allocations: 0.6357 MB / 1.22 GB, free: 11.88 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001055/0.6359, allocations: 305.1 kB / 1.22 GB, free: 11.57 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006149/0.642, allocations: 2.694 MB / 1.223 GB, free: 8.871 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006685/0.6487, allocations: 3.571 MB / 1.226 GB, free: 4.922 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0137/0.6625, allocations: 6.41 MB / 1.232 GB, free: 14.11 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.48e-05/0.6625, allocations: 8 kB / 1.232 GB, free: 14.11 MB / 0.9981 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 0.02947/0.692, allocations: 11.02 MB / 1.243 GB, free: 2.973 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.194e-05/0.6921, allocations: 17.25 kB / 1.243 GB, free: 2.957 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.978e-05/0.6921, allocations: 24 kB / 1.243 GB, free: 2.934 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5718/1.264, allocations: 5.563 MB / 1.249 GB, free: 165.3 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004506/1.268, allocations: 0.9921 MB / 1.25 GB, free: 165.3 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04544/1.314, allocations: 28.19 MB / 1.277 GB, free: 153.1 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004833/1.319, allocations: 0.574 MB / 1.278 GB, free: 153 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006411/1.32, allocations: 153.6 kB / 1.278 GB, free: 153 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008597/1.328, allocations: 3.981 MB / 1.282 GB, free: 151.7 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006748/1.335, allocations: 3.535 MB / 1.285 GB, free: 149.8 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08588/1.421, allocations: 24.67 MB / 1.309 GB, free: 139.3 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.746e-05/1.421, allocations: 11.81 kB / 1.309 GB, free: 139.2 MB / 0.9981 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 0.02386/1.445, allocations: 10.53 MB / 1.32 GB, free: 128.9 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 3.558e-05/1.445, allocations: 16 kB / 1.32 GB, free: 128.9 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.436e-05/1.445, allocations: 28 kB / 1.32 GB, free: 128.8 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01466/1.46, allocations: 4.34 MB / 1.324 GB, free: 124.5 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004323/1.464, allocations: 1.034 MB / 1.325 GB, free: 123.4 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02849/1.492, allocations: 27.12 MB / 1.351 GB, free: 95.69 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004471/1.497, allocations: 0.5611 MB / 1.352 GB, free: 95.13 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004423/1.497, allocations: 151.9 kB / 1.352 GB, free: 94.98 MB / 0.9981 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 0.0009436/1.498, allocations: 393.6 kB / 1.352 GB, free: 94.61 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005589/1.499, allocations: 193.7 kB / 1.353 GB, free: 94.41 MB / 0.9981 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 0.02403/1.523, allocations: 10.18 MB / 1.363 GB, free: 84.18 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.099e-05/1.523, allocations: 28 kB / 1.363 GB, free: 84.15 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.838e-05/1.523, allocations: 15.66 kB / 1.363 GB, free: 84.14 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.389e-05/1.523, allocations: 15.94 kB / 1.363 GB, free: 84.12 MB / 0.9981 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 0.03169/1.555, allocations: 16.3 MB / 1.379 GB, free: 67.65 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.945e-05/1.555, allocations: 12.88 kB / 1.379 GB, free: 67.64 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003293/1.558, allocations: 0.7371 MB / 1.379 GB, free: 66.9 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01705/1.575, allocations: 5.196 MB / 1.384 GB, free: 61.69 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006986/1.576, allocations: 79.95 kB / 1.384 GB, free: 61.61 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03269/1.609, allocations: 27.27 MB / 1.411 GB, free: 33.86 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.424e-06/1.609, allocations: 16.03 kB / 1.411 GB, free: 33.84 MB / 0.9981 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 0.02306/1.632, allocations: 10.08 MB / 1.421 GB, free: 23.52 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001447/1.633, allocations: 0.721 MB / 1.422 GB, free: 22.78 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004877/1.634, allocations: 55.98 kB / 1.422 GB, free: 22.72 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003427/1.637, allocations: 0.507 MB / 1.422 GB, free: 22.21 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007666/1.638, allocations: 226.3 kB / 1.422 GB, free: 21.99 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002262/1.638, allocations: 95.95 kB / 1.423 GB, free: 21.9 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001216/1.64, allocations: 0.9723 MB / 1.423 GB, free: 20.92 MB / 0.9981 GB Notification: Performance of sort global known variables: time 1.8e-07/1.64, allocations: 0 / 1.423 GB, free: 20.92 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.005696/1.645, allocations: 1.844 MB / 1.425 GB, free: 19.08 MB / 0.9981 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 0.0004242/1.646, allocations: 182.6 kB / 1.425 GB, free: 18.9 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.03056/1.676, allocations: 14.39 MB / 1.439 GB, free: 4.43 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.192e-05/1.676, allocations: 0 / 1.439 GB, free: 4.43 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.009749/1.686, allocations: 4.421 MB / 1.444 GB, free: 15.97 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002357/1.688, allocations: 271.9 kB / 1.444 GB, free: 15.71 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02098/1.709, allocations: 10.56 MB / 1.454 GB, free: 5.039 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003072/1.713, allocations: 2.833 MB / 1.457 GB, free: 2.172 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.005277/1.718, allocations: 1.656 MB / 1.459 GB, free: 0.5117 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006791/1.719, allocations: 167.3 kB / 1.459 GB, free: 356 kB / 1.014 GB Notification: Performance of SimCode: time 9.52e-07/1.719, allocations: 0 / 1.459 GB, free: 356 kB / 1.014 GB Notification: Performance of Templates: time 0.1298/1.848, allocations: 77.86 MB / 1.535 GB, free: 2.664 MB / 1.092 GB make -j1 -f Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)