Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo", uses=false) Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-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.UnbalancedStepDown.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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008877/0.008877, allocations: 100.6 kB / 15.87 MB, free: 5.867 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001758/0.001758, allocations: 192.5 kB / 16.79 MB, free: 5.809 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.479/1.479, allocations: 222.9 MB / 240.5 MB, free: 4.562 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.805/2.805, allocations: 461.8 MB / 0.7348 GB, free: 14.18 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001288/0.001288, allocations: 66.47 kB / 0.8991 GB, free: 36.99 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3336/0.3349, allocations: 157.4 MB / 1.053 GB, free: 8.27 MB / 0.8106 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02143/0.3564, allocations: 18.16 MB / 1.071 GB, free: 6.039 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.01147/0.3679, allocations: 6.859 MB / 1.077 GB, free: 15.16 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002013/0.3699, allocations: 47.88 kB / 1.077 GB, free: 15.12 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.00404/0.3741, allocations: 1.361 MB / 1.079 GB, free: 13.75 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.004059/0.3781, allocations: 1.351 MB / 1.08 GB, free: 12.4 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.003304/0.3815, allocations: 1.152 MB / 1.081 GB, free: 11.25 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.00827/0.3897, allocations: 8.514 MB / 1.089 GB, free: 2.711 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01193/0.4017, allocations: 7.954 MB / 1.097 GB, free: 10.65 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004005/0.4057, allocations: 1.99 MB / 1.099 GB, free: 8.656 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006206/0.412, allocations: 3.062 MB / 1.102 GB, free: 5.586 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.001897/0.4139, allocations: 368 kB / 1.102 GB, free: 5.227 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003871/0.4178, allocations: 1.307 MB / 1.104 GB, free: 3.918 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.003537/0.4214, allocations: 2.086 MB / 1.106 GB, free: 1.828 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.004396/0.4258, allocations: 2.015 MB / 1.108 GB, free: 15.8 MB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.008569/0.4344, allocations: 6.622 MB / 1.114 GB, free: 9.168 MB / 0.8731 GB Notification: Performance of FrontEnd - DAE generated: time 9.848e-06/0.4344, allocations: 4 kB / 1.114 GB, free: 9.164 MB / 0.8731 GB Notification: Performance of FrontEnd: time 2.224e-06/0.4345, allocations: 0 / 1.114 GB, free: 9.164 MB / 0.8731 GB Notification: Performance of Transformations before backend: time 0.0003212/0.4348, allocations: 0 / 1.114 GB, free: 9.164 MB / 0.8731 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01133/0.4461, allocations: 3.827 MB / 1.118 GB, free: 5.277 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 4.555e-05/0.4462, allocations: 11.97 kB / 1.118 GB, free: 5.266 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0136/0.4598, allocations: 2.415 MB / 1.12 GB, free: 2.844 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005019/0.4648, allocations: 2.171 MB / 1.122 GB, free: 0.6289 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002694/0.4651, allocations: 271.5 kB / 1.123 GB, free: 372 kB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001376/0.4665, allocations: 347.9 kB / 1.123 GB, free: 24 kB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01848/0.485, allocations: 7.159 MB / 1.13 GB, free: 8.766 MB / 0.8887 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001513/0.4852, allocations: 7.844 kB / 1.13 GB, free: 8.758 MB / 0.8887 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001319/0.4866, allocations: 152 kB / 1.13 GB, free: 8.609 MB / 0.8887 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005561/0.4871, allocations: 338.1 kB / 1.13 GB, free: 8.277 MB / 0.8887 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01788/0.505, allocations: 7.044 MB / 1.137 GB, free: 1.219 MB / 0.8887 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 0.03917/0.5442, allocations: 26.74 MB / 1.163 GB, free: 4.293 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008746/0.553, allocations: 4.983 MB / 1.168 GB, free: 15 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005992/0.559, allocations: 2.6 MB / 1.171 GB, free: 12.39 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003504/0.5594, allocations: 131 kB / 1.171 GB, free: 12.24 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.739e-05/0.5595, allocations: 68.55 kB / 1.171 GB, free: 12.16 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 5.25e-06/0.5595, allocations: 0 / 1.171 GB, free: 12.16 MB / 0.9356 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 0.105/0.6645, allocations: 30.94 MB / 1.201 GB, free: 13.14 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001334/0.6647, allocations: 247.6 kB / 1.201 GB, free: 12.85 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002294/0.667, allocations: 1.469 MB / 1.203 GB, free: 11.37 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0005567/0.6675, allocations: 69.7 kB / 1.203 GB, free: 11.3 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.000972/0.6685, allocations: 1.497 MB / 1.204 GB, free: 9.777 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001102/0.6696, allocations: 0.9203 MB / 1.205 GB, free: 8.844 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001201/0.6708, allocations: 0.6319 MB / 1.206 GB, free: 8.203 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 9.31e-05/0.6709, allocations: 305.1 kB / 1.206 GB, free: 7.902 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006049/0.677, allocations: 2.69 MB / 1.209 GB, free: 5.203 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006755/0.6838, allocations: 3.571 MB / 1.212 GB, free: 1.25 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01252/0.6963, allocations: 6.402 MB / 1.219 GB, free: 10.45 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.215e-05/0.6964, allocations: 11.94 kB / 1.219 GB, free: 10.44 MB / 0.9825 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 0.02934/0.7258, allocations: 11.02 MB / 1.229 GB, free: 15.31 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 6.216e-05/0.7258, allocations: 16 kB / 1.229 GB, free: 15.3 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.076e-05/0.7259, allocations: 24 kB / 1.229 GB, free: 15.27 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02087/0.7468, allocations: 5.54 MB / 1.235 GB, free: 9.719 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004465/0.7513, allocations: 0.9944 MB / 1.236 GB, free: 8.723 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6212/1.372, allocations: 25.77 MB / 1.261 GB, free: 166.9 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004757/1.377, allocations: 0.5753 MB / 1.262 GB, free: 166.9 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005882/1.378, allocations: 152.6 kB / 1.262 GB, free: 166.9 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009607/1.388, allocations: 3.982 MB / 1.266 GB, free: 166.8 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007764/1.395, allocations: 3.532 MB / 1.269 GB, free: 165.6 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08861/1.484, allocations: 24.62 MB / 1.293 GB, free: 158.3 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.19e-05/1.484, allocations: 11.12 kB / 1.293 GB, free: 158.3 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 0.02374/1.508, allocations: 10.53 MB / 1.303 GB, free: 152.6 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.336e-05/1.508, allocations: 20.2 kB / 1.303 GB, free: 152.6 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.57e-05/1.508, allocations: 26.61 kB / 1.303 GB, free: 152.6 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01402/1.522, allocations: 4.318 MB / 1.308 GB, free: 149.3 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004342/1.526, allocations: 1.039 MB / 1.309 GB, free: 148.2 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02734/1.554, allocations: 24.96 MB / 1.333 GB, free: 122.8 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004416/1.558, allocations: 0.5537 MB / 1.334 GB, free: 122.2 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004581/1.559, allocations: 151.9 kB / 1.334 GB, free: 122 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 0.0009948/1.56, allocations: 398.5 kB / 1.334 GB, free: 121.7 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005907/1.56, allocations: 201.6 kB / 1.334 GB, free: 121.5 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 0.02283/1.583, allocations: 10.17 MB / 1.344 GB, free: 111.2 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.632e-05/1.583, allocations: 28 kB / 1.344 GB, free: 111.2 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.082e-05/1.583, allocations: 12 kB / 1.344 GB, free: 111.2 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.394e-05/1.583, allocations: 15.95 kB / 1.344 GB, free: 111.2 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 0.03079/1.614, allocations: 16.31 MB / 1.36 GB, free: 94.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.574e-05/1.614, allocations: 12.06 kB / 1.36 GB, free: 94.69 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003161/1.617, allocations: 0.7332 MB / 1.361 GB, free: 93.96 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01687/1.634, allocations: 5.165 MB / 1.366 GB, free: 88.77 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006706/1.635, allocations: 75.95 kB / 1.366 GB, free: 88.7 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03094/1.666, allocations: 24.88 MB / 1.39 GB, free: 63.37 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.534e-06/1.666, allocations: 8 kB / 1.39 GB, free: 63.36 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 0.02225/1.688, allocations: 10.09 MB / 1.4 GB, free: 53.02 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001804/1.69, allocations: 0.7202 MB / 1.401 GB, free: 52.29 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004579/1.69, allocations: 63.83 kB / 1.401 GB, free: 52.22 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003174/1.694, allocations: 0.507 MB / 1.401 GB, free: 51.71 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000774/1.694, allocations: 226.4 kB / 1.402 GB, free: 51.5 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002212/1.695, allocations: 95.95 kB / 1.402 GB, free: 51.4 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001318/1.696, allocations: 0.9995 MB / 1.403 GB, free: 50.4 MB / 0.9981 GB Notification: Performance of sort global known variables: time 1.6e-07/1.696, allocations: 0 / 1.403 GB, free: 50.4 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.006337/1.702, allocations: 1.855 MB / 1.405 GB, free: 48.55 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 0.0004627/1.703, allocations: 180.9 kB / 1.405 GB, free: 48.37 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02535/1.728, allocations: 12.39 MB / 1.417 GB, free: 35.88 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.493e-05/1.728, allocations: 8 kB / 1.417 GB, free: 35.87 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.009375/1.738, allocations: 4.409 MB / 1.421 GB, free: 31.42 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002336/1.74, allocations: 291.8 kB / 1.421 GB, free: 31.13 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02124/1.761, allocations: 11.7 MB / 1.433 GB, free: 19.32 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002522/1.764, allocations: 2.924 MB / 1.436 GB, free: 16.36 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00128/1.765, allocations: 211.3 kB / 1.436 GB, free: 16.15 MB / 0.9981 GB Notification: Performance of SimCode: time 2.324e-06/1.765, allocations: 0 / 1.436 GB, free: 16.15 MB / 0.9981 GB Notification: Performance of Templates: time 0.1183/1.883, allocations: 107.8 MB / 1.541 GB, free: 4.367 MB / 1.092 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)