Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-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.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_10_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_10_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 0.0088/0.0088, allocations: 99.56 kB / 15.73 MB, free: 6.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001783/0.001783, allocations: 189 kB / 16.67 MB, free: 6.367 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.515/1.515, allocations: 222.9 MB / 240.4 MB, free: 4.312 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.966/2.966, allocations: 437 MB / 0.7105 GB, free: 5.031 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.001148/0.001148, allocations: 63.91 kB / 1.019 GB, free: 14.49 MB / 0.7794 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3694/0.3706, allocations: 151.6 MB / 1.167 GB, free: 6.746 MB / 0.92 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02046/0.3911, allocations: 18.27 MB / 1.185 GB, free: 4.402 MB / 0.9356 GB Notification: Performance of NFInst.instExpressions: time 0.01117/0.4023, allocations: 6.816 MB / 1.191 GB, free: 13.57 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002065/0.4044, allocations: 55.88 kB / 1.191 GB, free: 13.51 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.003959/0.4083, allocations: 1.469 MB / 1.193 GB, free: 12.04 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.004331/0.4127, allocations: 1.432 MB / 1.194 GB, free: 10.6 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.004823/0.4175, allocations: 1.271 MB / 1.195 GB, free: 9.328 MB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.009303/0.4268, allocations: 5.461 MB / 1.201 GB, free: 3.855 MB / 0.9512 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00975/0.4366, allocations: 7.112 MB / 1.208 GB, free: 12.63 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004394/0.4411, allocations: 2.372 MB / 1.21 GB, free: 10.25 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006121/0.4472, allocations: 2.968 MB / 1.213 GB, free: 7.277 MB / 0.9669 GB Notification: Performance of NFPackage.collectConstants: time 0.001341/0.4486, allocations: 0.5156 MB / 1.213 GB, free: 6.762 MB / 0.9669 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003207/0.4518, allocations: 1.272 MB / 1.215 GB, free: 5.488 MB / 0.9669 GB Notification: Performance of NFScalarize.scalarize: time 0.003068/0.4549, allocations: 2.25 MB / 1.217 GB, free: 3.234 MB / 0.9669 GB Notification: Performance of NFVerifyModel.verify: time 0.004316/0.4592, allocations: 2.187 MB / 1.219 GB, free: 1.039 MB / 0.9669 GB Notification: Performance of NFConvertDAE.convert: time 0.0102/0.4695, allocations: 7.796 MB / 1.227 GB, free: 9.219 MB / 0.9825 GB Notification: Performance of FrontEnd - DAE generated: time 7.684e-06/0.4695, allocations: 7.938 kB / 1.227 GB, free: 9.211 MB / 0.9825 GB Notification: Performance of FrontEnd: time 1.933e-06/0.4695, allocations: 0 / 1.227 GB, free: 9.211 MB / 0.9825 GB Notification: Performance of Transformations before backend: time 0.0002503/0.4698, allocations: 0 / 1.227 GB, free: 9.211 MB / 0.9825 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 0.01013/0.4799, allocations: 3.915 MB / 1.23 GB, free: 5.23 MB / 0.9825 GB Notification: Performance of prepare preOptimizeDAE: time 5.878e-05/0.48, allocations: 12.03 kB / 1.23 GB, free: 5.219 MB / 0.9825 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01322/0.4932, allocations: 2.421 MB / 1.233 GB, free: 2.793 MB / 0.9825 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007543/0.5008, allocations: 2.199 MB / 1.235 GB, free: 0.5469 MB / 0.9825 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003222/0.5012, allocations: 271.5 kB / 1.235 GB, free: 288 kB / 0.9825 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001723/0.5029, allocations: 355.9 kB / 1.235 GB, free: 15.93 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01887/0.5218, allocations: 7.147 MB / 1.242 GB, free: 8.684 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.152e-05/0.5219, allocations: 7.891 kB / 1.242 GB, free: 8.676 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004929/0.5224, allocations: 152 kB / 1.243 GB, free: 8.527 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004779/0.5229, allocations: 338.1 kB / 1.243 GB, free: 8.195 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01759/0.5405, allocations: 7.047 MB / 1.25 GB, free: 1.137 MB / 0.9981 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 0.843/1.384, allocations: 26.6 MB / 1.276 GB, free: 56.16 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009045/1.393, allocations: 4.982 MB / 1.281 GB, free: 53.43 MB / 0.9981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006724/1.399, allocations: 2.617 MB / 1.283 GB, free: 52.66 MB / 0.9981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003442/1.4, allocations: 128 kB / 1.283 GB, free: 52.57 MB / 0.9981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.536e-05/1.4, allocations: 62.67 kB / 1.283 GB, free: 52.5 MB / 0.9981 GB Notification: Performance of pre-optimization done (n=208): time 4.608e-06/1.4, allocations: 2.594 kB / 1.283 GB, free: 52.5 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 matching and sorting (n=271): time 0.1123/1.512, allocations: 31.19 MB / 1.314 GB, free: 41.48 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001227/1.512, allocations: 238.2 kB / 1.314 GB, free: 41.22 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002743/1.515, allocations: 1.476 MB / 1.316 GB, free: 40.45 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 0.0006959/1.516, allocations: 67.8 kB / 1.316 GB, free: 40.39 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.001087/1.517, allocations: 1.549 MB / 1.317 GB, free: 39.2 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.001038/1.518, allocations: 0.9684 MB / 1.318 GB, free: 38.37 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001146/1.519, allocations: 0.6342 MB / 1.319 GB, free: 38.02 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 6.297e-05/1.519, allocations: 305.1 kB / 1.319 GB, free: 37.72 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00572/1.525, allocations: 2.69 MB / 1.322 GB, free: 36.32 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005564/1.531, allocations: 3.569 MB / 1.325 GB, free: 33.8 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01092/1.541, allocations: 6.403 MB / 1.331 GB, free: 29.75 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.179e-05/1.542, allocations: 7.188 kB / 1.331 GB, free: 29.75 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 0.02509/1.567, allocations: 11.04 MB / 1.342 GB, free: 19.28 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.525e-05/1.567, allocations: 16 kB / 1.342 GB, free: 19.27 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.616e-05/1.567, allocations: 24 kB / 1.342 GB, free: 19.24 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01802/1.585, allocations: 5.54 MB / 1.348 GB, free: 13.69 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004151/1.589, allocations: 0.9906 MB / 1.349 GB, free: 12.7 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04242/1.631, allocations: 28.23 MB / 1.376 GB, free: 40 kB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005875/1.637, allocations: 0.5693 MB / 1.377 GB, free: 15.47 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005746/1.638, allocations: 155.9 kB / 1.377 GB, free: 15.32 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00898/1.647, allocations: 3.984 MB / 1.381 GB, free: 11.32 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006623/1.654, allocations: 3.528 MB / 1.384 GB, free: 7.418 MB / 1.029 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09156/1.745, allocations: 24.62 MB / 1.408 GB, free: 14.28 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.828e-05/1.745, allocations: 8 kB / 1.408 GB, free: 14.27 MB / 1.061 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 0.02705/1.772, allocations: 10.55 MB / 1.418 GB, free: 3.586 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 4.364e-05/1.772, allocations: 17.72 kB / 1.419 GB, free: 3.57 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.686e-05/1.772, allocations: 24.56 kB / 1.419 GB, free: 3.547 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0157/1.788, allocations: 4.326 MB / 1.423 GB, free: 15.21 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004894/1.793, allocations: 1.041 MB / 1.424 GB, free: 14.17 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03691/1.83, allocations: 27.14 MB / 1.45 GB, free: 2.316 MB / 1.092 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005133/1.835, allocations: 0.5499 MB / 1.451 GB, free: 1.766 MB / 1.092 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004805/1.836, allocations: 159.9 kB / 1.451 GB, free: 1.609 MB / 1.092 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.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[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 0.001081/1.837, allocations: 396.8 kB / 1.451 GB, free: 1.215 MB / 1.092 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006962/1.837, allocations: 206.7 kB / 1.452 GB, free: 1.012 MB / 1.092 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 0.02731/1.865, allocations: 10.17 MB / 1.461 GB, free: 6.773 MB / 1.107 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.844e-05/1.865, allocations: 28 kB / 1.461 GB, free: 6.746 MB / 1.107 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.41e-05/1.865, allocations: 12 kB / 1.462 GB, free: 6.734 MB / 1.107 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.073e-05/1.865, allocations: 15.95 kB / 1.462 GB, free: 6.719 MB / 1.107 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 0.03709/1.902, allocations: 16.28 MB / 1.477 GB, free: 6.246 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.131e-05/1.902, allocations: 8 kB / 1.477 GB, free: 6.238 MB / 1.123 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003645/1.906, allocations: 0.7377 MB / 1.478 GB, free: 5.5 MB / 1.123 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01902/1.925, allocations: 5.181 MB / 1.483 GB, free: 312 kB / 1.123 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005519/1.925, allocations: 71.95 kB / 1.483 GB, free: 240 kB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04276/1.968, allocations: 27.28 MB / 1.51 GB, free: 4.469 MB / 1.154 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.292e-05/1.968, allocations: 12.03 kB / 1.51 GB, free: 4.457 MB / 1.154 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 0.02758/1.996, allocations: 10.1 MB / 1.52 GB, free: 10.11 MB / 1.17 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00198/1.998, allocations: 0.7338 MB / 1.521 GB, free: 9.355 MB / 1.17 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005225/1.998, allocations: 55.94 kB / 1.521 GB, free: 9.301 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003711/2.002, allocations: 0.507 MB / 1.521 GB, free: 8.793 MB / 1.17 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008329/2.003, allocations: 226.4 kB / 1.521 GB, free: 8.574 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002512/2.003, allocations: 95.95 kB / 1.521 GB, free: 8.48 MB / 1.17 GB Notification: Performance of sorting global known variables: time 0.001672/2.005, allocations: 0.9972 MB / 1.522 GB, free: 7.48 MB / 1.17 GB Notification: Performance of sort global known variables: time 1.5e-07/2.005, allocations: 0 / 1.522 GB, free: 7.48 MB / 1.17 GB Notification: Performance of remove unused functions: time 0.006879/2.012, allocations: 1.859 MB / 1.524 GB, free: 5.621 MB / 1.17 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 0.0004829/2.012, allocations: 182.8 kB / 1.524 GB, free: 5.43 MB / 1.17 GB Notification: Performance of simCode: created initialization part: time 0.0318/2.044, allocations: 12.48 MB / 1.537 GB, free: 8.836 MB / 1.186 GB Notification: Performance of simCode: created event and clocks part: time 1.456e-05/2.044, allocations: 64 / 1.537 GB, free: 8.836 MB / 1.186 GB Notification: Performance of simCode: created simulation system equations: time 0.01202/2.056, allocations: 4.424 MB / 1.541 GB, free: 4.379 MB / 1.186 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002792/2.059, allocations: 296.1 kB / 1.541 GB, free: 4.094 MB / 1.186 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0265/2.085, allocations: 9.575 MB / 1.55 GB, free: 10.39 MB / 1.201 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003994/2.09, allocations: 2.853 MB / 1.553 GB, free: 7.504 MB / 1.201 GB Notification: Performance of simCode: alias equations: time 0.004967/2.094, allocations: 1.657 MB / 1.555 GB, free: 5.844 MB / 1.201 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006752/2.095, allocations: 171.3 kB / 1.555 GB, free: 5.676 MB / 1.201 GB Notification: Performance of SimCode: time 2.615e-06/2.095, allocations: 4 kB / 1.555 GB, free: 5.672 MB / 1.201 GB Notification: Performance of Templates: time 0.1236/2.219, allocations: 79.31 MB / 1.632 GB, free: 6.539 MB / 1.279 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)