Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.685/1.685, allocations: 292.3 MB / 308.1 MB, free: 4.281 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001256/0.001256, allocations: 184.3 kB / 376.9 MB, free: 1.793 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.63/1.63, allocations: 205.1 MB / 0.6354 GB, free: 9.75 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009813/0.0009814, allocations: 98.56 kB / 0.748 GB, free: 61.33 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.001062/0.001062, allocations: 51.92 kB / 0.8704 GB, free: 13.04 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2718/0.2729, allocations: 114.5 MB / 0.9822 GB, free: 10.33 MB / 0.7136 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02424/0.2972, allocations: 18.11 MB / 0.9999 GB, free: 8.141 MB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.01295/0.3102, allocations: 6.966 MB / 1.007 GB, free: 1.156 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002268/0.3125, allocations: 47.88 kB / 1.007 GB, free: 1.109 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.004341/0.3168, allocations: 1.354 MB / 1.008 GB, free: 15.75 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.005524/0.3224, allocations: 1.339 MB / 1.009 GB, free: 14.41 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.00441/0.3268, allocations: 1.189 MB / 1.011 GB, free: 13.21 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.009386/0.3362, allocations: 8.549 MB / 1.019 GB, free: 4.648 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.5204/0.8567, allocations: 7.912 MB / 1.027 GB, free: 67.85 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004241/0.861, allocations: 2.007 MB / 1.029 GB, free: 67.8 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007475/0.8685, allocations: 3.075 MB / 1.032 GB, free: 67.54 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.00262/0.8712, allocations: 368.8 kB / 1.032 GB, free: 67.54 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004979/0.8762, allocations: 1.303 MB / 1.033 GB, free: 67.54 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 0.004598/0.8808, allocations: 2.093 MB / 1.035 GB, free: 67.41 MB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 0.006626/0.8874, allocations: 2.014 MB / 1.037 GB, free: 66.9 MB / 0.7448 GB Notification: Performance of NFConvertDAE.convert: time 0.01476/0.9022, allocations: 7.671 MB / 1.045 GB, free: 66.27 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 5.891e-06/0.9022, allocations: 0.5625 kB / 1.045 GB, free: 66.27 MB / 0.7448 GB Notification: Performance of FrontEnd: time 1.102e-06/0.9023, allocations: 0 / 1.045 GB, free: 66.27 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 0.0003387/0.9026, allocations: 1.438 kB / 1.045 GB, free: 66.27 MB / 0.7448 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 0.01808/0.9207, allocations: 3.826 MB / 1.048 GB, free: 64.84 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 4.979e-05/0.9208, allocations: 13 kB / 1.048 GB, free: 64.84 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01437/0.9351, allocations: 2.348 MB / 1.051 GB, free: 64.64 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007717/0.9429, allocations: 2.159 MB / 1.053 GB, free: 64.2 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004069/0.9434, allocations: 276.1 kB / 1.053 GB, free: 64.18 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003198/0.9466, allocations: 349.9 kB / 1.053 GB, free: 64.18 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03116/0.9778, allocations: 7.121 MB / 1.06 GB, free: 63.82 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003629/0.9782, allocations: 13.88 kB / 1.06 GB, free: 63.81 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003656/0.9819, allocations: 151.3 kB / 1.061 GB, free: 63.8 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007616/0.9826, allocations: 332.8 kB / 1.061 GB, free: 63.8 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02316/1.006, allocations: 7.002 MB / 1.068 GB, free: 62.84 MB / 0.7448 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0468/1.053, allocations: 26.62 MB / 1.094 GB, free: 43.84 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009198/1.062, allocations: 4.99 MB / 1.099 GB, free: 41.09 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006357/1.068, allocations: 2.595 MB / 1.101 GB, free: 40.33 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004192/1.069, allocations: 132.7 kB / 1.101 GB, free: 40.23 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.195e-05/1.069, allocations: 65.7 kB / 1.101 GB, free: 40.17 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=208): time 4.659e-06/1.069, allocations: 0 / 1.101 GB, free: 40.17 MB / 0.7448 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.conv2.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.conv2.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 0.1143/1.183, allocations: 30.95 MB / 1.132 GB, free: 32.97 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.98e-05/1.183, allocations: 237.5 kB / 1.132 GB, free: 32.72 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002937/1.186, allocations: 1.446 MB / 1.133 GB, free: 32.18 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 0.0007268/1.187, allocations: 71.67 kB / 1.133 GB, free: 32.12 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 0.00115/1.188, allocations: 1.496 MB / 1.135 GB, free: 30.98 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 0.001471/1.19, allocations: 0.9148 MB / 1.136 GB, free: 30.27 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001477/1.191, allocations: 0.6297 MB / 1.136 GB, free: 30 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 7.357e-05/1.191, allocations: 306.9 kB / 1.137 GB, free: 29.7 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007517/1.199, allocations: 2.673 MB / 1.139 GB, free: 28.87 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008099/1.207, allocations: 3.548 MB / 1.143 GB, free: 26.98 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01483/1.222, allocations: 6.383 MB / 1.149 GB, free: 24.04 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.775e-05/1.222, allocations: 7.906 kB / 1.149 GB, free: 24.04 MB / 0.7448 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.conv2.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.conv2.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 0.02968/1.252, allocations: 10.95 MB / 1.16 GB, free: 19.48 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 4.003e-05/1.252, allocations: 14.75 kB / 1.16 GB, free: 19.48 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.005e-05/1.252, allocations: 26.38 kB / 1.16 GB, free: 19.48 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02017/1.272, allocations: 5.482 MB / 1.165 GB, free: 16.91 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005028/1.277, allocations: 0.9863 MB / 1.166 GB, free: 16.64 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0392/1.316, allocations: 25.76 MB / 1.191 GB, free: 7.426 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005541/1.322, allocations: 0.5574 MB / 1.192 GB, free: 6.867 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006897/1.323, allocations: 155.9 kB / 1.192 GB, free: 6.715 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01053/1.333, allocations: 3.96 MB / 1.196 GB, free: 2.746 MB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008474/1.342, allocations: 3.509 MB / 1.199 GB, free: 14.87 MB / 0.7761 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09213/1.434, allocations: 24.55 MB / 1.223 GB, free: 5.918 MB / 0.7917 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.038e-05/1.434, allocations: 8 kB / 1.223 GB, free: 5.91 MB / 0.7917 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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] ; -transformer.conv2.V2[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_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_lambda0): time 0.0304/1.464, allocations: 10.5 MB / 1.233 GB, free: 11.48 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 3.177e-05/1.464, allocations: 16.56 kB / 1.233 GB, free: 11.46 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.573e-05/1.464, allocations: 32 kB / 1.233 GB, free: 11.43 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01584/1.48, allocations: 4.239 MB / 1.237 GB, free: 7.18 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005098/1.485, allocations: 1.036 MB / 1.238 GB, free: 6.184 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03595/1.521, allocations: 24.95 MB / 1.263 GB, free: 12.62 MB / 0.8386 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005339/1.527, allocations: 0.5381 MB / 1.263 GB, free: 12.08 MB / 0.8386 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007608/1.527, allocations: 151 kB / 1.264 GB, free: 11.93 MB / 0.8386 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.i1[2]) - line2.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[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 0.001105/1.529, allocations: 408.9 kB / 1.264 GB, free: 11.57 MB / 0.8386 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007408/1.529, allocations: 197.7 kB / 1.264 GB, free: 11.37 MB / 0.8386 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[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] ; -transformer.conv2.V2[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] ; -loadRL.load1.v[1] ] 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 wrapFunctionCalls (simulation): time 0.02852/1.558, allocations: 10.18 MB / 1.274 GB, free: 1.203 MB / 0.8386 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.877e-05/1.558, allocations: 28 kB / 1.274 GB, free: 1.176 MB / 0.8386 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.856e-05/1.558, allocations: 12 kB / 1.274 GB, free: 1.164 MB / 0.8386 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.436e-05/1.558, allocations: 16.89 kB / 1.274 GB, free: 1.148 MB / 0.8386 GB Warning: The linear system: 1 : 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] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : 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] 4 : transformer.conv2.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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; -loadRL.load1.v[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] ; -transformer.conv2.V2[1] ] 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 0.03925/1.597, allocations: 16.33 MB / 1.29 GB, free: 0.6211 MB / 0.8542 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.23e-05/1.597, allocations: 8 kB / 1.29 GB, free: 0.6133 MB / 0.8542 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003732/1.601, allocations: 0.7341 MB / 1.291 GB, free: 15.88 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01959/1.621, allocations: 5.103 MB / 1.296 GB, free: 10.76 MB / 0.8698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008318/1.622, allocations: 79.89 kB / 1.296 GB, free: 10.68 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04096/1.663, allocations: 24.81 MB / 1.32 GB, free: 1.406 MB / 0.8855 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.113e-05/1.663, allocations: 12.03 kB / 1.32 GB, free: 1.395 MB / 0.8855 GB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03675/1.699, allocations: 14.45 MB / 1.334 GB, free: 2.645 MB / 0.9011 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002769/1.702, allocations: 0.717 MB / 1.335 GB, free: 1.906 MB / 0.9011 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004354/1.703, allocations: 67.89 kB / 1.335 GB, free: 1.84 MB / 0.9011 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003679/1.706, allocations: 0.4992 MB / 1.335 GB, free: 1.34 MB / 0.9011 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008846/1.707, allocations: 226.4 kB / 1.336 GB, free: 1.117 MB / 0.9011 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002547/1.708, allocations: 91.89 kB / 1.336 GB, free: 1.027 MB / 0.9011 GB Notification: Performance of sorting global known variables: time 0.001501/1.709, allocations: 0.9825 MB / 1.337 GB, free: 44 kB / 0.9011 GB Notification: Performance of sort global known variables: time 2.11e-07/1.709, allocations: 0 / 1.337 GB, free: 44 kB / 0.9011 GB Notification: Performance of remove unused functions: time 0.007614/1.717, allocations: 1.844 MB / 1.339 GB, free: 14.2 MB / 0.9167 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 0.0004882/1.717, allocations: 185.8 kB / 1.339 GB, free: 14 MB / 0.9167 GB Notification: Performance of simCode: created initialization part: time 0.03204/1.749, allocations: 12.35 MB / 1.351 GB, free: 1.555 MB / 0.9167 GB Notification: Performance of simCode: created event and clocks part: time 1.273e-05/1.749, allocations: 0 / 1.351 GB, free: 1.555 MB / 0.9167 GB Notification: Performance of simCode: created simulation system equations: time 0.01178/1.761, allocations: 4.382 MB / 1.355 GB, free: 13.14 MB / 0.9323 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003739/1.765, allocations: 276.3 kB / 1.355 GB, free: 12.88 MB / 0.9323 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03208/1.797, allocations: 12.56 MB / 1.368 GB, free: 188 kB / 0.9323 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006009/1.803, allocations: 2.943 MB / 1.37 GB, free: 13.21 MB / 0.948 GB Notification: Performance of simCode: alias equations: time 0.006648/1.81, allocations: 1.641 MB / 1.372 GB, free: 11.56 MB / 0.948 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009734/1.811, allocations: 171.3 kB / 1.372 GB, free: 11.39 MB / 0.948 GB Notification: Performance of SimCode: time 8.21e-07/1.811, allocations: 0 / 1.372 GB, free: 11.39 MB / 0.948 GB Notification: Performance of Templates: time 0.6902/2.501, allocations: 78.04 MB / 1.448 GB, free: 272.2 MB / 0.948 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)