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 11.0.0-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.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 0.001504/0.001504, allocations: 100.2 kB / 16.35 MB, free: 5.879 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001622/0.001622, allocations: 198 kB / 17.3 MB, free: 5.52 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.511/1.511, 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 11.0.0-master/package.mo): time 2.492/2.492, allocations: 442.6 MB / 0.7165 GB, free: 14.61 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001315/0.001315, allocations: 63.36 kB / 0.8774 GB, free: 10.9 MB / 0.6544 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3306/0.332, allocations: 153 MB / 1.027 GB, free: 1.996 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02373/0.3558, allocations: 18.19 MB / 1.045 GB, free: 15.73 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.0117/0.3675, allocations: 6.793 MB / 1.051 GB, free: 8.918 MB / 0.8262 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001755/0.3693, allocations: 55.88 kB / 1.051 GB, free: 8.863 MB / 0.8262 GB Notification: Performance of NFTyping.typeComponents: time 0.003866/0.3733, allocations: 1.462 MB / 1.053 GB, free: 7.398 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.003746/0.3771, allocations: 1.397 MB / 1.054 GB, free: 5.996 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.003491/0.3806, allocations: 1.286 MB / 1.055 GB, free: 4.707 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.006599/0.3872, allocations: 5.43 MB / 1.061 GB, free: 15.27 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00867/0.3959, allocations: 7.088 MB / 1.067 GB, free: 8.066 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004115/0.4001, allocations: 2.349 MB / 1.07 GB, free: 5.711 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005363/0.4055, allocations: 2.957 MB / 1.073 GB, free: 2.746 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.002242/0.4078, allocations: 0.5117 MB / 1.073 GB, free: 2.234 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003868/0.4116, allocations: 1.26 MB / 1.074 GB, free: 0.9727 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.6066/1.018, allocations: 2.228 MB / 1.077 GB, free: 25 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.007576/1.026, allocations: 2.167 MB / 1.079 GB, free: 24.76 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.0154/1.041, allocations: 7.726 MB / 1.086 GB, free: 24.18 MB / 0.8419 GB Notification: Performance of FrontEnd - DAE generated: time 7.414e-06/1.041, allocations: 1.312 kB / 1.086 GB, free: 24.18 MB / 0.8419 GB Notification: Performance of FrontEnd: time 2.435e-06/1.041, allocations: 1.5 kB / 1.086 GB, free: 24.18 MB / 0.8419 GB Notification: Performance of Transformations before backend: time 0.0003363/1.042, allocations: 0 / 1.086 GB, free: 24.18 MB / 0.8419 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.02114/1.063, allocations: 3.78 MB / 1.09 GB, free: 22.77 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 5.445e-05/1.063, allocations: 13.25 kB / 1.09 GB, free: 22.77 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01579/1.079, allocations: 2.336 MB / 1.092 GB, free: 22.59 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009286/1.088, allocations: 2.173 MB / 1.094 GB, free: 22.14 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004536/1.089, allocations: 262.7 kB / 1.095 GB, free: 22.14 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003061/1.092, allocations: 343.4 kB / 1.095 GB, free: 22.14 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02519/1.117, allocations: 7.098 MB / 1.102 GB, free: 20.88 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001188/1.117, allocations: 7.031 kB / 1.102 GB, free: 20.88 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008373/1.118, allocations: 152.8 kB / 1.102 GB, free: 20.77 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005016/1.118, allocations: 335.2 kB / 1.102 GB, free: 20.73 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01907/1.137, allocations: 6.98 MB / 1.109 GB, free: 18.77 MB / 0.8419 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04266/1.18, allocations: 26.35 MB / 1.135 GB, free: 14.12 MB / 0.8575 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008785/1.189, allocations: 4.99 MB / 1.14 GB, free: 10.7 MB / 0.8575 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006191/1.195, allocations: 2.6 MB / 1.142 GB, free: 9.41 MB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003215/1.195, allocations: 132.6 kB / 1.142 GB, free: 9.305 MB / 0.8575 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.794e-05/1.196, allocations: 57.25 kB / 1.142 GB, free: 9.25 MB / 0.8575 GB Notification: Performance of pre-optimization done (n=208): time 4.519e-06/1.196, allocations: 0 / 1.142 GB, free: 9.25 MB / 0.8575 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 0.1014/1.297, allocations: 30.9 MB / 1.173 GB, free: 5.348 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001304/1.297, allocations: 246.9 kB / 1.173 GB, free: 5.062 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002226/1.299, allocations: 1.404 MB / 1.174 GB, free: 3.648 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.0007288/1.3, allocations: 69.7 kB / 1.174 GB, free: 3.574 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009542/1.301, allocations: 1.482 MB / 1.176 GB, free: 2.078 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.001216/1.302, allocations: 0.924 MB / 1.177 GB, free: 1.164 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001228/1.303, allocations: 0.628 MB / 1.177 GB, free: 0.5273 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0001499/1.304, allocations: 302.8 kB / 1.178 GB, free: 236 kB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006466/1.31, allocations: 2.666 MB / 1.18 GB, free: 13.55 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006933/1.317, allocations: 3.552 MB / 1.184 GB, free: 9.637 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01259/1.33, allocations: 6.387 MB / 1.19 GB, free: 2.961 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.754e-05/1.33, allocations: 8 kB / 1.19 GB, free: 2.953 MB / 0.8887 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02757/1.357, allocations: 10.98 MB / 1.201 GB, free: 8.098 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 4.193e-05/1.357, allocations: 20 kB / 1.201 GB, free: 8.078 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.907e-05/1.357, allocations: 31.98 kB / 1.201 GB, free: 8.047 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01944/1.377, allocations: 5.461 MB / 1.206 GB, free: 2.574 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004542/1.382, allocations: 0.9898 MB / 1.207 GB, free: 1.621 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04236/1.424, allocations: 28.14 MB / 1.234 GB, free: 5.105 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004824/1.429, allocations: 0.5536 MB / 1.235 GB, free: 4.551 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006616/1.429, allocations: 151.9 kB / 1.235 GB, free: 4.402 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008752/1.438, allocations: 3.96 MB / 1.239 GB, free: 444 kB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006427/1.445, allocations: 3.514 MB / 1.242 GB, free: 12.55 MB / 0.9512 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08534/1.53, allocations: 24.55 MB / 1.266 GB, free: 3.602 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.888e-05/1.53, allocations: 8 kB / 1.266 GB, free: 3.594 MB / 0.9669 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02814/1.558, allocations: 10.5 MB / 1.277 GB, free: 9.172 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 3.773e-05/1.558, allocations: 18.19 kB / 1.277 GB, free: 9.156 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.842e-05/1.558, allocations: 24.56 kB / 1.277 GB, free: 9.133 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01526/1.574, allocations: 4.256 MB / 1.281 GB, free: 4.863 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004853/1.579, allocations: 1.029 MB / 1.282 GB, free: 3.875 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03739/1.616, allocations: 27.08 MB / 1.308 GB, free: 8.172 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004767/1.621, allocations: 0.538 MB / 1.309 GB, free: 7.633 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006599/1.621, allocations: 151.9 kB / 1.309 GB, free: 7.484 MB / 1.014 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 0.001246/1.623, allocations: 405.6 kB / 1.309 GB, free: 7.121 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007123/1.623, allocations: 193.7 kB / 1.31 GB, free: 6.93 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 postOpt wrapFunctionCalls (simulation): time 0.02596/1.649, allocations: 10.17 MB / 1.319 GB, free: 12.77 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.132e-05/1.649, allocations: 24 kB / 1.319 GB, free: 12.74 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.259e-05/1.65, allocations: 16 kB / 1.32 GB, free: 12.73 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.562e-05/1.65, allocations: 15.94 kB / 1.32 GB, free: 12.71 MB / 1.029 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 0.0415/1.691, allocations: 16.24 MB / 1.335 GB, free: 12.41 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.764e-05/1.691, allocations: 12 kB / 1.335 GB, free: 12.4 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.005646/1.697, allocations: 0.7454 MB / 1.336 GB, free: 11.68 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02881/1.726, allocations: 5.087 MB / 1.341 GB, free: 6.57 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0009307/1.727, allocations: 75.95 kB / 1.341 GB, free: 6.496 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04614/1.773, allocations: 27.22 MB / 1.368 GB, free: 10.85 MB / 1.076 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.006e-05/1.773, allocations: 12 kB / 1.368 GB, free: 10.84 MB / 1.076 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 0.02954/1.802, allocations: 10.09 MB / 1.378 GB, free: 0.582 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003062/1.806, allocations: 0.7175 MB / 1.378 GB, free: 15.85 MB / 1.092 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001017/1.807, allocations: 55.98 kB / 1.378 GB, free: 15.79 MB / 1.092 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.006171/1.813, allocations: 0.5031 MB / 1.379 GB, free: 15.29 MB / 1.092 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001301/1.814, allocations: 228.8 kB / 1.379 GB, free: 15.07 MB / 1.092 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004547/1.815, allocations: 87.95 kB / 1.379 GB, free: 14.99 MB / 1.092 GB Notification: Performance of sorting global known variables: time 0.002308/1.817, allocations: 0.9489 MB / 1.38 GB, free: 14.04 MB / 1.092 GB Notification: Performance of sort global known variables: time 2.7e-07/1.817, allocations: 0 / 1.38 GB, free: 14.04 MB / 1.092 GB Notification: Performance of remove unused functions: time 0.0107/1.828, allocations: 1.836 MB / 1.382 GB, free: 12.2 MB / 1.092 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 0.0008034/1.828, allocations: 185.5 kB / 1.382 GB, free: 12.03 MB / 1.092 GB Notification: Performance of simCode: created initialization part: time 0.04277/1.871, allocations: 12.42 MB / 1.394 GB, free: 15.5 MB / 1.107 GB Notification: Performance of simCode: created event and clocks part: time 1.272e-05/1.871, allocations: 0 / 1.394 GB, free: 15.5 MB / 1.107 GB Notification: Performance of simCode: created simulation system equations: time 0.01146/1.883, allocations: 4.416 MB / 1.399 GB, free: 11.05 MB / 1.107 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002648/1.885, allocations: 268.6 kB / 1.399 GB, free: 10.79 MB / 1.107 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02345/1.909, allocations: 8.94 MB / 1.407 GB, free: 1.73 MB / 1.107 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004156/1.913, allocations: 2.836 MB / 1.41 GB, free: 14.86 MB / 1.123 GB Notification: Performance of simCode: alias equations: time 0.005977/1.919, allocations: 1.637 MB / 1.412 GB, free: 13.22 MB / 1.123 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009636/1.92, allocations: 167.3 kB / 1.412 GB, free: 13.05 MB / 1.123 GB Notification: Performance of SimCode: time 1.673e-06/1.92, allocations: 0 / 1.412 GB, free: 13.05 MB / 1.123 GB Notification: Performance of Templates: time 0.1509/2.071, allocations: 77.13 MB / 1.487 GB, free: 172 kB / 1.186 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 -s cvode -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)