Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 10.1.0-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-maint.10.0.x/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="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_10_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 0.001535/0.001535, allocations: 115.6 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 0.001707/0.001707, allocations: 191.6 kB / 17.31 MB, free: 5.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.405/1.405, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-maint.10.0.x/package.mo): time 2.574/2.574, allocations: 437.1 MB / 0.7112 GB, free: 4.348 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001628/0.001629, allocations: 59.84 kB / 0.8707 GB, free: 1.422 MB / 0.6387 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3184/0.3201, allocations: 151.7 MB / 1.019 GB, free: 9.82 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02264/0.3427, allocations: 18.19 MB / 1.037 GB, free: 7.551 MB / 0.8106 GB Notification: Performance of NFInst.instExpressions: time 0.01205/0.3548, allocations: 6.77 MB / 1.043 GB, free: 0.7617 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002041/0.3569, allocations: 55.88 kB / 1.043 GB, free: 0.707 MB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.004341/0.3613, allocations: 1.472 MB / 1.045 GB, free: 15.23 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.004467/0.3658, allocations: 1.397 MB / 1.046 GB, free: 13.83 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.003882/0.3697, allocations: 1.282 MB / 1.047 GB, free: 12.55 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.007197/0.3769, allocations: 5.434 MB / 1.053 GB, free: 7.102 MB / 0.8262 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008887/0.3858, allocations: 7.08 MB / 1.06 GB, free: 15.91 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003984/0.3898, allocations: 2.361 MB / 1.062 GB, free: 13.55 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004964/0.3948, allocations: 2.957 MB / 1.065 GB, free: 10.58 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.001122/0.396, allocations: 0.5117 MB / 1.065 GB, free: 10.07 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002784/0.3988, allocations: 1.252 MB / 1.066 GB, free: 8.816 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.002611/0.4014, allocations: 2.23 MB / 1.069 GB, free: 6.582 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.003394/0.4048, allocations: 2.175 MB / 1.071 GB, free: 4.398 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.612/1.017, allocations: 7.716 MB / 1.078 GB, free: 29.91 MB / 0.8419 GB Notification: Performance of FrontEnd - DAE generated: time 8.596e-06/1.017, allocations: 0.5312 kB / 1.078 GB, free: 29.91 MB / 0.8419 GB Notification: Performance of FrontEnd: time 2.856e-06/1.017, allocations: 1.531 kB / 1.078 GB, free: 29.91 MB / 0.8419 GB Notification: Performance of Transformations before backend: time 0.000305/1.017, allocations: 0.75 kB / 1.078 GB, free: 29.91 MB / 0.8419 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 0.01636/1.034, allocations: 3.786 MB / 1.082 GB, free: 28.61 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 6.975e-05/1.034, allocations: 10.8 kB / 1.082 GB, free: 28.61 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0138/1.047, allocations: 2.335 MB / 1.084 GB, free: 28.42 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007992/1.055, allocations: 2.172 MB / 1.086 GB, free: 27.98 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004161/1.056, allocations: 267.7 kB / 1.087 GB, free: 27.97 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002613/1.059, allocations: 344.4 kB / 1.087 GB, free: 27.97 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.022/1.081, allocations: 7.096 MB / 1.094 GB, free: 27.61 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001274/1.081, allocations: 9.156 kB / 1.094 GB, free: 27.61 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009017/1.082, allocations: 148.1 kB / 1.094 GB, free: 27.61 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006727/1.082, allocations: 329.2 kB / 1.094 GB, free: 27.6 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02305/1.105, allocations: 6.992 MB / 1.101 GB, free: 26.6 MB / 0.8419 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 0.03998/1.145, allocations: 26.36 MB / 1.127 GB, free: 7.5 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007778/1.153, allocations: 4.982 MB / 1.132 GB, free: 4.09 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005598/1.159, allocations: 2.596 MB / 1.134 GB, free: 2.797 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002843/1.159, allocations: 136 kB / 1.134 GB, free: 2.688 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.787e-05/1.159, allocations: 60.97 kB / 1.135 GB, free: 2.629 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=208): time 3.878e-06/1.159, allocations: 1.219 kB / 1.135 GB, free: 2.629 MB / 0.8419 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 0.1018/1.261, allocations: 30.9 MB / 1.165 GB, free: 0.5781 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002087/1.261, allocations: 242.9 kB / 1.165 GB, free: 304 kB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002802/1.264, allocations: 1.404 MB / 1.166 GB, free: 14.88 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.001025/1.265, allocations: 69.7 kB / 1.166 GB, free: 14.81 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.001322/1.266, allocations: 1.483 MB / 1.168 GB, free: 13.32 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.001477/1.268, allocations: 0.9249 MB / 1.169 GB, free: 12.4 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001223/1.269, allocations: 0.6202 MB / 1.169 GB, free: 11.77 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.000149/1.269, allocations: 305.1 kB / 1.17 GB, free: 11.47 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005937/1.275, allocations: 2.674 MB / 1.172 GB, free: 8.785 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006968/1.282, allocations: 3.548 MB / 1.176 GB, free: 4.879 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01269/1.295, allocations: 6.388 MB / 1.182 GB, free: 14.2 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.834e-05/1.295, allocations: 8 kB / 1.182 GB, free: 14.19 MB / 0.8887 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 0.02842/1.324, allocations: 10.98 MB / 1.193 GB, free: 3.332 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 4.716e-05/1.324, allocations: 16 kB / 1.193 GB, free: 3.316 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.555e-05/1.324, allocations: 27.47 kB / 1.193 GB, free: 3.293 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01996/1.344, allocations: 5.466 MB / 1.198 GB, free: 13.81 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00457/1.348, allocations: 0.9811 MB / 1.199 GB, free: 12.87 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04279/1.391, allocations: 28.16 MB / 1.227 GB, free: 344 kB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004594/1.396, allocations: 0.5535 MB / 1.227 GB, free: 15.79 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005481/1.396, allocations: 151.9 kB / 1.227 GB, free: 15.64 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008038/1.404, allocations: 3.956 MB / 1.231 GB, free: 11.67 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006471/1.411, allocations: 3.52 MB / 1.234 GB, free: 7.789 MB / 0.9356 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08559/1.496, allocations: 24.56 MB / 1.258 GB, free: 14.84 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.769e-05/1.496, allocations: 8 kB / 1.258 GB, free: 14.84 MB / 0.9669 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 0.02585/1.522, allocations: 10.49 MB / 1.269 GB, free: 4.41 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 3.138e-05/1.522, allocations: 16 kB / 1.269 GB, free: 4.395 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.069e-05/1.522, allocations: 31.98 kB / 1.269 GB, free: 4.363 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01478/1.537, allocations: 4.248 MB / 1.273 GB, free: 104 kB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004726/1.542, allocations: 1.038 MB / 1.274 GB, free: 15.1 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03479/1.577, allocations: 27.08 MB / 1.3 GB, free: 3.391 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004405/1.581, allocations: 0.5341 MB / 1.301 GB, free: 2.855 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004552/1.582, allocations: 152 kB / 1.301 GB, free: 2.707 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 0.001098/1.583, allocations: 398.4 kB / 1.301 GB, free: 2.352 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000621/1.584, allocations: 193.7 kB / 1.302 GB, free: 2.16 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 0.02531/1.609, allocations: 10.16 MB / 1.312 GB, free: 8 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.159e-05/1.609, allocations: 28 kB / 1.312 GB, free: 7.973 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.2e-05/1.609, allocations: 12 kB / 1.312 GB, free: 7.961 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.627e-05/1.609, allocations: 11.95 kB / 1.312 GB, free: 7.949 MB / 1.014 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 0.03477/1.644, allocations: 16.24 MB / 1.327 GB, free: 7.656 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.639e-05/1.644, allocations: 8 kB / 1.327 GB, free: 7.648 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003395/1.647, allocations: 0.7382 MB / 1.328 GB, free: 6.93 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01753/1.665, allocations: 5.099 MB / 1.333 GB, free: 1.812 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007543/1.666, allocations: 71.95 kB / 1.333 GB, free: 1.742 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03832/1.704, allocations: 27.23 MB / 1.36 GB, free: 6.035 MB / 1.061 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.124e-05/1.704, allocations: 12.03 kB / 1.36 GB, free: 6.023 MB / 1.061 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 0.02524/1.729, allocations: 10.09 MB / 1.37 GB, free: 11.7 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002537/1.732, allocations: 0.7094 MB / 1.37 GB, free: 10.96 MB / 1.076 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006103/1.732, allocations: 58.06 kB / 1.37 GB, free: 10.91 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003581/1.736, allocations: 0.5031 MB / 1.371 GB, free: 10.41 MB / 1.076 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008363/1.737, allocations: 226.3 kB / 1.371 GB, free: 10.19 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002601/1.737, allocations: 95.94 kB / 1.371 GB, free: 10.09 MB / 1.076 GB Notification: Performance of sorting global known variables: time 0.001429/1.739, allocations: 0.945 MB / 1.372 GB, free: 9.145 MB / 1.076 GB Notification: Performance of sort global known variables: time 1.41e-07/1.739, allocations: 0 / 1.372 GB, free: 9.145 MB / 1.076 GB Notification: Performance of remove unused functions: time 0.007229/1.746, allocations: 1.836 MB / 1.374 GB, free: 7.309 MB / 1.076 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 0.0006353/1.746, allocations: 181.3 kB / 1.374 GB, free: 7.125 MB / 1.076 GB Notification: Performance of simCode: created initialization part: time 0.02905/1.775, allocations: 12.43 MB / 1.386 GB, free: 10.59 MB / 1.092 GB Notification: Performance of simCode: created event and clocks part: time 1.228e-05/1.776, allocations: 4 kB / 1.386 GB, free: 10.59 MB / 1.092 GB Notification: Performance of simCode: created simulation system equations: time 0.01078/1.786, allocations: 4.406 MB / 1.391 GB, free: 6.137 MB / 1.092 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002391/1.789, allocations: 270.3 kB / 1.391 GB, free: 5.879 MB / 1.092 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02066/1.809, allocations: 8.936 MB / 1.4 GB, free: 12.83 MB / 1.107 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003196/1.813, allocations: 2.836 MB / 1.402 GB, free: 9.957 MB / 1.107 GB Notification: Performance of simCode: alias equations: time 0.004361/1.817, allocations: 1.649 MB / 1.404 GB, free: 8.305 MB / 1.107 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006384/1.818, allocations: 171.3 kB / 1.404 GB, free: 8.137 MB / 1.107 GB Notification: Performance of SimCode: time 1.343e-06/1.818, allocations: 0 / 1.404 GB, free: 8.137 MB / 1.107 GB Notification: Performance of Templates: time 0.1151/1.933, allocations: 77.13 MB / 1.479 GB, free: 11.28 MB / 1.186 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -s cvode -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)