Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="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.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001417/0.001417, allocations: 109.9 kB / 16.41 MB, free: 6.453 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001281/0.001281, allocations: 192.4 kB / 17.35 MB, free: 5.734 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.397/1.397, allocations: 222.9 MB / 241 MB, free: 15.17 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.537/2.537, allocations: 461.9 MB / 0.7355 GB, free: 11.1 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.00185/0.00185, allocations: 63.91 kB / 1.055 GB, free: 7.641 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.821/1.823, allocations: 157.4 MB / 1.209 GB, free: 13.64 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.03628/1.859, allocations: 18.2 MB / 1.226 GB, free: 11.38 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.02059/1.88, allocations: 6.796 MB / 1.233 GB, free: 4.566 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003104/1.883, allocations: 59.88 kB / 1.233 GB, free: 4.508 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.006127/1.889, allocations: 1.457 MB / 1.234 GB, free: 3.047 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.006276/1.895, allocations: 1.432 MB / 1.236 GB, free: 1.609 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.005721/1.901, allocations: 1.263 MB / 1.237 GB, free: 356 kB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.01046/1.911, allocations: 5.433 MB / 1.242 GB, free: 10.9 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01427/1.926, allocations: 7.061 MB / 1.249 GB, free: 3.73 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006606/1.932, allocations: 2.373 MB / 1.252 GB, free: 1.352 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.008799/1.941, allocations: 2.953 MB / 1.254 GB, free: 14.39 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.002305/1.944, allocations: 0.5117 MB / 1.255 GB, free: 13.88 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005552/1.949, allocations: 1.26 MB / 1.256 GB, free: 12.62 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 0.005322/1.955, allocations: 2.238 MB / 1.258 GB, free: 10.38 MB / 0.9825 GB Notification: Performance of NFVerifyModel.verify: time 0.006797/1.961, allocations: 2.167 MB / 1.26 GB, free: 8.199 MB / 0.9825 GB Notification: Performance of NFConvertDAE.convert: time 0.01616/1.978, allocations: 7.726 MB / 1.268 GB, free: 464 kB / 0.9825 GB Notification: Performance of FrontEnd - DAE generated: time 9.929e-06/1.978, allocations: 4 kB / 1.268 GB, free: 460 kB / 0.9825 GB Notification: Performance of FrontEnd: time 2.605e-06/1.978, allocations: 0 / 1.268 GB, free: 460 kB / 0.9825 GB Notification: Performance of Transformations before backend: time 0.0002932/1.978, allocations: 0 / 1.268 GB, free: 460 kB / 0.9825 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01846/1.997, allocations: 3.788 MB / 1.272 GB, free: 12.6 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 6.686e-05/1.997, allocations: 8.031 kB / 1.272 GB, free: 12.59 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02178/2.018, allocations: 2.399 MB / 1.274 GB, free: 10.19 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008461/2.027, allocations: 2.175 MB / 1.276 GB, free: 7.969 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004608/2.027, allocations: 267.4 kB / 1.276 GB, free: 7.707 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002374/2.03, allocations: 355.8 kB / 1.277 GB, free: 7.359 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0305/2.06, allocations: 7.127 MB / 1.284 GB, free: 132 kB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002145/2.061, allocations: 7.938 kB / 1.284 GB, free: 124 kB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002298/2.063, allocations: 144 kB / 1.284 GB, free: 15.98 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008303/2.064, allocations: 342 kB / 1.284 GB, free: 15.64 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03012/2.094, allocations: 7.024 MB / 1.291 GB, free: 8.605 MB / 1.014 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 0.06531/2.159, allocations: 26.43 MB / 1.317 GB, free: 12.01 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01553/2.175, allocations: 4.976 MB / 1.322 GB, free: 6.73 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01113/2.186, allocations: 2.624 MB / 1.324 GB, free: 4.082 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005195/2.187, allocations: 131 kB / 1.324 GB, free: 3.938 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.138e-05/2.187, allocations: 52.56 kB / 1.324 GB, free: 3.875 MB / 1.045 GB Notification: Performance of pre-optimization done (n=208): time 7.785e-06/2.187, allocations: 0 / 1.324 GB, free: 3.875 MB / 1.045 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 0.1854/2.372, allocations: 30.92 MB / 1.355 GB, free: 4.871 MB / 1.076 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.00017/2.372, allocations: 239.6 kB / 1.355 GB, free: 4.59 MB / 1.076 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004286/2.377, allocations: 1.435 MB / 1.356 GB, free: 3.145 MB / 1.076 GB Notification: Performance of collectPreVariables (initialization): time 0.0009872/2.378, allocations: 69.64 kB / 1.356 GB, free: 3.07 MB / 1.076 GB Notification: Performance of collectInitialEqns (initialization): time 0.001657/2.379, allocations: 1.482 MB / 1.358 GB, free: 1.566 MB / 1.076 GB Notification: Performance of collectInitialBindings (initialization): time 0.002121/2.382, allocations: 0.9204 MB / 1.359 GB, free: 0.6328 MB / 1.076 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003352/2.385, allocations: 0.6319 MB / 1.359 GB, free: 15.99 MB / 1.092 GB Notification: Performance of setup shared object (initialization): time 0.0001626/2.385, allocations: 309.1 kB / 1.36 GB, free: 15.68 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01057/2.396, allocations: 2.694 MB / 1.362 GB, free: 12.98 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01205/2.408, allocations: 3.571 MB / 1.366 GB, free: 9.031 MB / 1.092 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02256/2.43, allocations: 6.406 MB / 1.372 GB, free: 2.227 MB / 1.092 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.141e-05/2.431, allocations: 11.94 kB / 1.372 GB, free: 2.215 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 matching and sorting (n=410) (initialization): time 0.05428/2.485, allocations: 11.03 MB / 1.383 GB, free: 7.086 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 9.599e-05/2.485, allocations: 16 kB / 1.383 GB, free: 7.07 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001172/2.485, allocations: 28 kB / 1.383 GB, free: 7.043 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03481/2.52, allocations: 5.54 MB / 1.388 GB, free: 1.488 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007225/2.527, allocations: 0.9945 MB / 1.389 GB, free: 0.4922 MB / 1.107 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.07429/2.602, allocations: 28.19 MB / 1.417 GB, free: 3.844 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0081/2.61, allocations: 0.5692 MB / 1.417 GB, free: 3.273 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001234/2.611, allocations: 151.9 kB / 1.417 GB, free: 3.125 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01603/2.627, allocations: 3.984 MB / 1.421 GB, free: 15.13 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.01309/2.64, allocations: 3.54 MB / 1.425 GB, free: 11.21 MB / 1.154 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.1626/2.803, allocations: 24.64 MB / 1.449 GB, free: 2.066 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.906e-05/2.803, allocations: 8.375 kB / 1.449 GB, free: 2.059 MB / 1.17 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 0.04676/2.85, allocations: 10.53 MB / 1.459 GB, free: 7.383 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001179/2.85, allocations: 19.94 kB / 1.459 GB, free: 7.363 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001414/2.85, allocations: 31.94 kB / 1.459 GB, free: 7.332 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02803/2.878, allocations: 4.322 MB / 1.463 GB, free: 2.992 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008184/2.886, allocations: 1.041 MB / 1.464 GB, free: 1.949 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06166/2.948, allocations: 27.1 MB / 1.491 GB, free: 6.113 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008001/2.956, allocations: 0.5614 MB / 1.491 GB, free: 5.551 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001127/2.957, allocations: 147.9 kB / 1.492 GB, free: 5.406 MB / 1.217 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 0.002/2.959, allocations: 402.5 kB / 1.492 GB, free: 5.008 MB / 1.217 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001377/2.961, allocations: 193.7 kB / 1.492 GB, free: 4.816 MB / 1.217 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 0.04727/3.008, allocations: 10.17 MB / 1.502 GB, free: 10.57 MB / 1.232 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001216/3.008, allocations: 11.95 kB / 1.502 GB, free: 10.56 MB / 1.232 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.794e-05/3.008, allocations: 4 kB / 1.502 GB, free: 10.56 MB / 1.232 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003359/3.012, allocations: 0.7288 MB / 1.503 GB, free: 9.809 MB / 1.232 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001306/3.013, allocations: 44 kB / 1.503 GB, free: 9.766 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006456/3.019, allocations: 0.507 MB / 1.503 GB, free: 9.258 MB / 1.232 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001507/3.021, allocations: 285.4 kB / 1.504 GB, free: 8.98 MB / 1.232 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.04315/3.064, allocations: 9.41 MB / 1.513 GB, free: 15.54 MB / 1.248 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.03358/3.098, allocations: 8.89 MB / 1.521 GB, free: 6.574 MB / 1.248 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.01091/3.109, allocations: 2.662 MB / 1.524 GB, free: 3.91 MB / 1.248 GB Notification: Performance of sorting global known variables: time 0.003468/3.112, allocations: 0.9723 MB / 1.525 GB, free: 2.934 MB / 1.248 GB Notification: Performance of Backend: time 9.72e-07/3.112, allocations: 3.938 kB / 1.525 GB, free: 2.93 MB / 1.248 GB Notification: Performance of simCode: created initialization part: time 0.04621/3.159, allocations: 10.56 MB / 1.535 GB, free: 8.258 MB / 1.264 GB Notification: Performance of SimCode: time 0.02237/3.181, allocations: 7.21 MB / 1.542 GB, free: 1.008 MB / 1.264 GB Notification: Performance of Templates: time 1.152/4.333, allocations: 96.97 MB / 1.637 GB, free: 275.3 MB / 1.279 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)