Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo", uses=false) Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001933/0.001933, allocations: 106.5 kB / 16.35 MB, free: 5.824 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001902/0.001902, allocations: 189.4 kB / 17.29 MB, free: 5.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.451/1.451, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.61/2.61, allocations: 442.6 MB / 0.7165 GB, free: 14.62 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001428/0.001428, allocations: 65.25 kB / 0.8774 GB, free: 10.91 MB / 0.6544 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3006/0.3021, allocations: 153 MB / 1.027 GB, free: 1.984 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02186/0.324, allocations: 18.28 MB / 1.045 GB, free: 15.63 MB / 0.8262 GB Notification: Performance of NFInst.instExpressions: time 0.0116/0.3357, allocations: 6.808 MB / 1.051 GB, free: 8.801 MB / 0.8262 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001484/0.3372, allocations: 55.88 kB / 1.051 GB, free: 8.746 MB / 0.8262 GB Notification: Performance of NFTyping.typeComponents: time 0.003641/0.3409, allocations: 1.465 MB / 1.053 GB, free: 7.277 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.003736/0.3447, allocations: 1.404 MB / 1.054 GB, free: 5.867 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.003329/0.348, allocations: 1.29 MB / 1.055 GB, free: 4.574 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.005988/0.354, allocations: 5.464 MB / 1.061 GB, free: 15.1 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007799/0.3618, allocations: 7.124 MB / 1.068 GB, free: 7.863 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00396/0.3658, allocations: 2.365 MB / 1.07 GB, free: 5.492 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005026/0.3709, allocations: 2.961 MB / 1.073 GB, free: 2.523 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.001273/0.3722, allocations: 0.5195 MB / 1.073 GB, free: 2.004 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002685/0.3749, allocations: 1.268 MB / 1.075 GB, free: 0.7344 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.5934/0.9683, allocations: 2.246 MB / 1.077 GB, free: 25.62 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.005474/0.9738, allocations: 2.189 MB / 1.079 GB, free: 25.34 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.0138/0.9876, allocations: 7.775 MB / 1.087 GB, free: 24.74 MB / 0.8419 GB Notification: Performance of FrontEnd - DAE generated: time 7.274e-06/0.9877, allocations: 0.6875 kB / 1.087 GB, free: 24.74 MB / 0.8419 GB Notification: Performance of FrontEnd: time 3.046e-06/0.9877, allocations: 0 / 1.087 GB, free: 24.74 MB / 0.8419 GB Notification: Performance of Transformations before backend: time 0.0002997/0.988, allocations: 0 / 1.087 GB, free: 24.74 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01889/1.007, allocations: 3.826 MB / 1.09 GB, free: 23.32 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 5.021e-05/1.007, allocations: 9.969 kB / 1.09 GB, free: 23.32 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01529/1.022, allocations: 2.35 MB / 1.093 GB, free: 23.13 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00703/1.029, allocations: 2.181 MB / 1.095 GB, free: 22.68 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002924/1.03, allocations: 272.6 kB / 1.095 GB, free: 22.67 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002323/1.032, allocations: 346.8 kB / 1.095 GB, free: 22.67 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02242/1.054, allocations: 7.132 MB / 1.102 GB, free: 21.06 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001452/1.055, allocations: 7.156 kB / 1.102 GB, free: 21.06 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001356/1.056, allocations: 146.1 kB / 1.102 GB, free: 20.96 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005814/1.057, allocations: 334.5 kB / 1.103 GB, free: 20.92 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01897/1.076, allocations: 7.003 MB / 1.11 GB, free: 18.95 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 0.03845/1.114, allocations: 26.47 MB / 1.135 GB, free: 14.02 MB / 0.8575 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009552/1.124, allocations: 4.989 MB / 1.14 GB, free: 10.61 MB / 0.8575 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006157/1.13, allocations: 2.601 MB / 1.143 GB, free: 9.32 MB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003681/1.13, allocations: 135 kB / 1.143 GB, free: 9.211 MB / 0.8575 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.86e-05/1.13, allocations: 61.34 kB / 1.143 GB, free: 9.152 MB / 0.8575 GB Notification: Performance of pre-optimization done (n=208): time 4.488e-06/1.13, allocations: 0 / 1.143 GB, free: 9.152 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 0.1014/1.232, allocations: 30.96 MB / 1.173 GB, free: 4.949 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001196/1.232, allocations: 239.6 kB / 1.173 GB, free: 4.668 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002129/1.234, allocations: 1.442 MB / 1.175 GB, free: 3.219 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.0006797/1.235, allocations: 69.7 kB / 1.175 GB, free: 3.145 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009602/1.236, allocations: 1.497 MB / 1.176 GB, free: 1.637 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.00103/1.237, allocations: 0.9303 MB / 1.177 GB, free: 0.7148 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001141/1.238, allocations: 0.6241 MB / 1.178 GB, free: 84 kB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0001076/1.238, allocations: 301.1 kB / 1.178 GB, free: 15.79 MB / 0.8887 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005636/1.244, allocations: 2.674 MB / 1.181 GB, free: 13.11 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00637/1.25, allocations: 3.552 MB / 1.184 GB, free: 9.188 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01233/1.262, allocations: 6.384 MB / 1.191 GB, free: 2.512 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.948e-05/1.262, allocations: 8 kB / 1.191 GB, free: 2.504 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 0.02875/1.291, allocations: 10.99 MB / 1.201 GB, free: 7.641 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 4.092e-05/1.291, allocations: 16 kB / 1.201 GB, free: 7.625 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.826e-05/1.291, allocations: 36.02 kB / 1.201 GB, free: 7.59 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02015/1.311, allocations: 5.457 MB / 1.207 GB, free: 2.121 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004739/1.316, allocations: 0.9812 MB / 1.208 GB, free: 1.172 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04432/1.361, allocations: 28.17 MB / 1.235 GB, free: 4.641 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004581/1.365, allocations: 0.5535 MB / 1.236 GB, free: 4.086 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004877/1.366, allocations: 152 kB / 1.236 GB, free: 3.938 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008351/1.374, allocations: 3.96 MB / 1.24 GB, free: 15.97 MB / 0.9512 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006323/1.38, allocations: 3.513 MB / 1.243 GB, free: 12.09 MB / 0.9512 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08924/1.47, allocations: 24.56 MB / 1.267 GB, free: 3.145 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.126e-05/1.47, allocations: 8 kB / 1.267 GB, free: 3.137 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 0.02639/1.496, allocations: 10.49 MB / 1.277 GB, free: 8.719 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 3.456e-05/1.496, allocations: 18.34 kB / 1.277 GB, free: 8.703 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.341e-05/1.496, allocations: 28 kB / 1.277 GB, free: 8.676 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01505/1.511, allocations: 4.25 MB / 1.282 GB, free: 4.41 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00478/1.516, allocations: 1.039 MB / 1.283 GB, free: 3.41 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03985/1.556, allocations: 27.11 MB / 1.309 GB, free: 7.676 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004952/1.561, allocations: 0.5419 MB / 1.31 GB, free: 7.133 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00067/1.562, allocations: 148 kB / 1.31 GB, free: 6.988 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 0.001116/1.563, allocations: 402.3 kB / 1.31 GB, free: 6.629 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006978/1.564, allocations: 205.7 kB / 1.31 GB, free: 6.426 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 0.02715/1.591, allocations: 10.17 MB / 1.32 GB, free: 12.26 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.883e-05/1.591, allocations: 28 kB / 1.32 GB, free: 12.23 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.507e-05/1.591, allocations: 15.94 kB / 1.32 GB, free: 12.22 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.26e-05/1.591, allocations: 15.95 kB / 1.32 GB, free: 12.2 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 0.04062/1.632, allocations: 16.25 MB / 1.336 GB, free: 11.89 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.723e-05/1.632, allocations: 8 kB / 1.336 GB, free: 11.89 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003655/1.635, allocations: 0.736 MB / 1.337 GB, free: 11.17 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01943/1.655, allocations: 5.102 MB / 1.342 GB, free: 6.051 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000869/1.656, allocations: 71.95 kB / 1.342 GB, free: 5.98 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04186/1.698, allocations: 27.23 MB / 1.368 GB, free: 10.32 MB / 1.076 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.326e-05/1.698, allocations: 15.38 kB / 1.369 GB, free: 10.3 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 0.0266/1.724, allocations: 10.1 MB / 1.378 GB, free: 40 kB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002611/1.727, allocations: 0.7248 MB / 1.379 GB, free: 15.29 MB / 1.092 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005959/1.727, allocations: 52 kB / 1.379 GB, free: 15.24 MB / 1.092 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003573/1.731, allocations: 0.507 MB / 1.38 GB, free: 14.73 MB / 1.092 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007949/1.732, allocations: 225.8 kB / 1.38 GB, free: 14.52 MB / 1.092 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002747/1.732, allocations: 91.89 kB / 1.38 GB, free: 14.43 MB / 1.092 GB Notification: Performance of sorting global known variables: time 0.001443/1.734, allocations: 0.9816 MB / 1.381 GB, free: 13.45 MB / 1.092 GB Notification: Performance of sort global known variables: time 1.3e-07/1.734, allocations: 0 / 1.381 GB, free: 13.45 MB / 1.092 GB Notification: Performance of remove unused functions: time 0.006789/1.74, allocations: 1.848 MB / 1.383 GB, free: 11.6 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 0.0004788/1.741, allocations: 184.3 kB / 1.383 GB, free: 11.43 MB / 1.092 GB Notification: Performance of simCode: created initialization part: time 0.02965/1.77, allocations: 12.4 MB / 1.395 GB, free: 14.93 MB / 1.107 GB Notification: Performance of simCode: created event and clocks part: time 1.325e-05/1.771, allocations: 4.5 kB / 1.395 GB, free: 14.93 MB / 1.107 GB Notification: Performance of simCode: created simulation system equations: time 0.011/1.782, allocations: 4.419 MB / 1.399 GB, free: 10.47 MB / 1.107 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002531/1.784, allocations: 289.2 kB / 1.4 GB, free: 10.19 MB / 1.107 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02377/1.808, allocations: 9.48 MB / 1.409 GB, free: 0.582 MB / 1.107 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003115/1.811, allocations: 2.849 MB / 1.412 GB, free: 13.7 MB / 1.123 GB Notification: Performance of simCode: alias equations: time 0.0045/1.816, allocations: 1.649 MB / 1.413 GB, free: 12.04 MB / 1.123 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006657/1.816, allocations: 167.3 kB / 1.413 GB, free: 11.88 MB / 1.123 GB Notification: Performance of SimCode: time 1.123e-06/1.816, allocations: 0 / 1.413 GB, free: 11.88 MB / 1.123 GB Notification: Performance of Templates: time 0.1144/1.931, allocations: 77.71 MB / 1.489 GB, free: 14.43 MB / 1.201 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -s cvode -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)