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 0.01003/0.01003, allocations: 97.98 kB / 15.73 MB, free: 5.602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001913/0.001913, allocations: 194.4 kB / 16.68 MB, free: 5.523 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.456/1.456, allocations: 222.9 MB / 240.4 MB, free: 15.09 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.499/2.499, allocations: 437 MB / 0.7105 GB, free: 4.379 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001367/0.001367, allocations: 64.14 kB / 1.019 GB, free: 9.262 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.982/0.9834, allocations: 151.6 MB / 1.167 GB, free: 3.934 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02225/1.006, allocations: 18.28 MB / 1.185 GB, free: 1.59 MB / 0.9044 GB Notification: Performance of NFInst.instExpressions: time 0.01377/1.02, allocations: 6.816 MB / 1.191 GB, free: 10.75 MB / 0.92 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002272/1.022, allocations: 55.88 kB / 1.191 GB, free: 10.7 MB / 0.92 GB Notification: Performance of NFTyping.typeComponents: time 0.004788/1.027, allocations: 1.464 MB / 1.193 GB, free: 9.227 MB / 0.92 GB Notification: Performance of NFTyping.typeBindings: time 0.004918/1.032, allocations: 1.455 MB / 1.194 GB, free: 7.766 MB / 0.92 GB Notification: Performance of NFTyping.typeClassSections: time 0.00415/1.036, allocations: 1.274 MB / 1.195 GB, free: 6.492 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.007146/1.043, allocations: 5.476 MB / 1.201 GB, free: 1.004 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01055/1.054, allocations: 7.109 MB / 1.208 GB, free: 9.785 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004578/1.058, allocations: 2.384 MB / 1.21 GB, free: 7.395 MB / 0.9356 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005449/1.064, allocations: 2.968 MB / 1.213 GB, free: 4.418 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.001883/1.066, allocations: 0.5117 MB / 1.213 GB, free: 3.906 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003868/1.069, allocations: 1.276 MB / 1.215 GB, free: 2.629 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.004118/1.074, allocations: 2.25 MB / 1.217 GB, free: 384 kB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.005542/1.079, allocations: 2.191 MB / 1.219 GB, free: 14.17 MB / 0.9512 GB Notification: Performance of NFConvertDAE.convert: time 0.01165/1.091, allocations: 7.8 MB / 1.227 GB, free: 6.352 MB / 0.9512 GB Notification: Performance of FrontEnd - DAE generated: time 8.887e-06/1.091, allocations: 0 / 1.227 GB, free: 6.352 MB / 0.9512 GB Notification: Performance of FrontEnd: time 2.926e-06/1.091, allocations: 0 / 1.227 GB, free: 6.352 MB / 0.9512 GB Notification: Performance of Transformations before backend: time 0.0002775/1.091, allocations: 0 / 1.227 GB, free: 6.352 MB / 0.9512 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 0.01018/1.101, allocations: 3.911 MB / 1.23 GB, free: 2.375 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 4.919e-05/1.101, allocations: 8.922 kB / 1.23 GB, free: 2.367 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01302/1.114, allocations: 2.433 MB / 1.233 GB, free: 15.93 MB / 0.9669 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00535/1.12, allocations: 2.195 MB / 1.235 GB, free: 13.69 MB / 0.9669 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002326/1.12, allocations: 271.5 kB / 1.235 GB, free: 13.42 MB / 0.9669 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001219/1.121, allocations: 351.9 kB / 1.236 GB, free: 13.08 MB / 0.9669 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01515/1.137, allocations: 7.155 MB / 1.242 GB, free: 5.82 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.487e-05/1.137, allocations: 7.953 kB / 1.243 GB, free: 5.812 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004637/1.137, allocations: 152 kB / 1.243 GB, free: 5.664 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004467/1.138, allocations: 334.1 kB / 1.243 GB, free: 5.336 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01644/1.154, allocations: 7.044 MB / 1.25 GB, free: 14.28 MB / 0.9825 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 0.03912/1.193, allocations: 26.6 MB / 1.276 GB, free: 1.496 MB / 0.9981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008754/1.202, allocations: 4.995 MB / 1.281 GB, free: 12.21 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006053/1.208, allocations: 2.608 MB / 1.283 GB, free: 9.57 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003327/1.208, allocations: 135 kB / 1.283 GB, free: 9.418 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.31e-05/1.208, allocations: 64.5 kB / 1.283 GB, free: 9.348 MB / 1.014 GB Notification: Performance of pre-optimization done (n=208): time 4.689e-06/1.208, allocations: 0 / 1.283 GB, free: 9.348 MB / 1.014 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 0.1039/1.312, allocations: 31.18 MB / 1.314 GB, free: 10.11 MB / 1.045 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000111/1.313, allocations: 243.6 kB / 1.314 GB, free: 9.816 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002165/1.315, allocations: 1.473 MB / 1.316 GB, free: 8.336 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.0004024/1.315, allocations: 65.7 kB / 1.316 GB, free: 8.266 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009105/1.316, allocations: 1.55 MB / 1.317 GB, free: 6.699 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.001123/1.317, allocations: 0.9683 MB / 1.318 GB, free: 5.723 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001427/1.319, allocations: 0.6398 MB / 1.319 GB, free: 5.074 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 9.111e-05/1.319, allocations: 309.1 kB / 1.319 GB, free: 4.77 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006265/1.325, allocations: 2.69 MB / 1.322 GB, free: 2.07 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007146/1.332, allocations: 3.567 MB / 1.325 GB, free: 14.12 MB / 1.061 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01279/1.345, allocations: 6.402 MB / 1.331 GB, free: 7.324 MB / 1.061 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.039e-05/1.345, allocations: 8 kB / 1.331 GB, free: 7.316 MB / 1.061 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 0.02875/1.374, allocations: 11.04 MB / 1.342 GB, free: 12.18 MB / 1.076 GB Notification: Performance of prepare postOptimizeDAE: time 5.431e-05/1.374, allocations: 16 kB / 1.342 GB, free: 12.16 MB / 1.076 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.119e-05/1.374, allocations: 28 kB / 1.342 GB, free: 12.13 MB / 1.076 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01974/1.394, allocations: 5.532 MB / 1.348 GB, free: 6.586 MB / 1.076 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004706/1.398, allocations: 0.9944 MB / 1.349 GB, free: 5.59 MB / 1.076 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04533/1.444, allocations: 28.2 MB / 1.376 GB, free: 8.93 MB / 1.107 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005262/1.449, allocations: 0.5736 MB / 1.377 GB, free: 8.355 MB / 1.107 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000852/1.45, allocations: 151.9 kB / 1.377 GB, free: 8.207 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009155/1.459, allocations: 3.98 MB / 1.381 GB, free: 4.219 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007092/1.466, allocations: 3.544 MB / 1.384 GB, free: 300 kB / 1.107 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08934/1.556, allocations: 24.62 MB / 1.408 GB, free: 7.156 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.784e-05/1.556, allocations: 8 kB / 1.408 GB, free: 7.148 MB / 1.139 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 0.02752/1.583, allocations: 10.54 MB / 1.419 GB, free: 12.47 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 4.805e-05/1.583, allocations: 21.66 kB / 1.419 GB, free: 12.45 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.168e-05/1.583, allocations: 28.19 kB / 1.419 GB, free: 12.43 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01564/1.599, allocations: 4.325 MB / 1.423 GB, free: 8.082 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004933/1.604, allocations: 1.041 MB / 1.424 GB, free: 7.039 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03781/1.642, allocations: 27.15 MB / 1.45 GB, free: 11.15 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004971/1.647, allocations: 0.5537 MB / 1.451 GB, free: 10.6 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007431/1.648, allocations: 148 kB / 1.451 GB, free: 10.45 MB / 1.186 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 0.001355/1.649, allocations: 400.8 kB / 1.451 GB, free: 10.05 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008411/1.65, allocations: 210.7 kB / 1.452 GB, free: 9.848 MB / 1.186 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 0.02743/1.677, allocations: 10.18 MB / 1.462 GB, free: 15.6 MB / 1.201 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.548e-05/1.677, allocations: 28 kB / 1.462 GB, free: 15.57 MB / 1.201 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.127e-05/1.677, allocations: 12 kB / 1.462 GB, free: 15.56 MB / 1.201 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.971e-05/1.678, allocations: 11.95 kB / 1.462 GB, free: 15.55 MB / 1.201 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 0.03961/1.717, allocations: 16.28 MB / 1.477 GB, free: 15.02 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.066e-05/1.717, allocations: 4 kB / 1.477 GB, free: 15.01 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003642/1.721, allocations: 0.7335 MB / 1.478 GB, free: 14.28 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01862/1.74, allocations: 5.177 MB / 1.483 GB, free: 9.086 MB / 1.217 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000741/1.74, allocations: 75.95 kB / 1.483 GB, free: 9.012 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04308/1.783, allocations: 27.26 MB / 1.51 GB, free: 13.25 MB / 1.248 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.594e-05/1.783, allocations: 12.03 kB / 1.51 GB, free: 13.24 MB / 1.248 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 0.02726/1.811, allocations: 10.12 MB / 1.52 GB, free: 2.883 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002128/1.813, allocations: 0.7259 MB / 1.521 GB, free: 2.137 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008835/1.814, allocations: 59.98 kB / 1.521 GB, free: 2.078 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004126/1.818, allocations: 0.507 MB / 1.521 GB, free: 1.57 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001179/1.819, allocations: 230.3 kB / 1.521 GB, free: 1.34 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004099/1.82, allocations: 87.95 kB / 1.521 GB, free: 1.254 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.002042/1.822, allocations: 1.005 MB / 1.522 GB, free: 252 kB / 1.248 GB Notification: Performance of sort global known variables: time 1.71e-07/1.822, allocations: 0.5625 kB / 1.522 GB, free: 252 kB / 1.248 GB Notification: Performance of remove unused functions: time 0.01092/1.833, allocations: 1.852 MB / 1.524 GB, free: 14.39 MB / 1.264 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 0.0007582/1.833, allocations: 182.9 kB / 1.524 GB, free: 14.2 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.0312/1.865, allocations: 12.49 MB / 1.537 GB, free: 1.609 MB / 1.264 GB Notification: Performance of simCode: created event and clocks part: time 1.722e-05/1.865, allocations: 4 kB / 1.537 GB, free: 1.605 MB / 1.264 GB Notification: Performance of simCode: created simulation system equations: time 0.01198/1.877, allocations: 4.441 MB / 1.541 GB, free: 13.12 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004138/1.881, allocations: 282 kB / 1.541 GB, free: 12.86 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02802/1.909, allocations: 9.581 MB / 1.551 GB, free: 3.141 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004517/1.913, allocations: 2.849 MB / 1.553 GB, free: 264 kB / 1.279 GB Notification: Performance of simCode: alias equations: time 0.6941/2.608, allocations: 1.654 MB / 1.555 GB, free: 361 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009407/2.609, allocations: 172.1 kB / 1.555 GB, free: 361 MB / 1.279 GB Notification: Performance of SimCode: time 2.244e-06/2.609, allocations: 0 / 1.555 GB, free: 361 MB / 1.279 GB Notification: Performance of Templates: time 0.107/2.716, allocations: 79.3 MB / 1.633 GB, free: 303.4 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)