Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.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 0.001063/0.001063, allocations: 116 kB / 17.09 MB, free: 5.977 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001065/0.001065, allocations: 198.8 kB / 18.03 MB, free: 5.051 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.322/1.322, allocations: 222.9 MB / 241.7 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7261/0.7261, allocations: 115.3 MB / 407.2 MB, free: 6.164 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001326/0.001326, allocations: 66.03 kB / 0.5584 GB, free: 32.32 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1871/0.1884, allocations: 76.19 MB / 0.6328 GB, free: 4.309 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02352/0.212, allocations: 18.16 MB / 0.6506 GB, free: 2.078 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.01339/0.2254, allocations: 6.793 MB / 0.6572 GB, free: 11.27 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00232/0.2278, allocations: 55.88 kB / 0.6573 GB, free: 11.21 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.004735/0.2325, allocations: 1.461 MB / 0.6587 GB, free: 9.746 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.005299/0.2378, allocations: 1.428 MB / 0.6601 GB, free: 8.312 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.004547/0.2424, allocations: 1.254 MB / 0.6613 GB, free: 7.059 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.007937/0.2504, allocations: 5.445 MB / 0.6666 GB, free: 1.602 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009395/0.2598, allocations: 7.076 MB / 0.6735 GB, free: 10.41 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00469/0.2646, allocations: 2.369 MB / 0.6759 GB, free: 8.039 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005752/0.2704, allocations: 2.949 MB / 0.6787 GB, free: 5.082 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001921/0.2723, allocations: 0.5078 MB / 0.6792 GB, free: 4.574 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004035/0.2764, allocations: 1.256 MB / 0.6805 GB, free: 3.316 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.003593/0.28, allocations: 2.242 MB / 0.6826 GB, free: 1.07 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.004524/0.2846, allocations: 2.167 MB / 0.6848 GB, free: 14.89 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.01154/0.2961, allocations: 7.736 MB / 0.6923 GB, free: 7.137 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 1.085e-05/0.2962, allocations: 0 / 0.6923 GB, free: 7.137 MB / 0.5294 GB Notification: Performance of FrontEnd: time 4.378e-06/0.2962, allocations: 0 / 0.6923 GB, free: 7.137 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.0003788/0.2966, allocations: 0 / 0.6923 GB, free: 7.137 MB / 0.5294 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 0.01359/0.3102, allocations: 3.788 MB / 0.696 GB, free: 3.289 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 6.44e-05/0.3103, allocations: 8.031 kB / 0.696 GB, free: 3.281 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01396/0.3243, allocations: 2.407 MB / 0.6984 GB, free: 0.8672 MB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005944/0.3303, allocations: 2.175 MB / 0.7005 GB, free: 14.64 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002717/0.3306, allocations: 263.4 kB / 0.7007 GB, free: 14.38 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001595/0.3322, allocations: 351.6 kB / 0.7011 GB, free: 14.04 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01913/0.3514, allocations: 7.126 MB / 0.708 GB, free: 6.812 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.807e-05/0.3515, allocations: 8 kB / 0.7081 GB, free: 6.805 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007021/0.3522, allocations: 152 kB / 0.7082 GB, free: 6.656 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005732/0.3528, allocations: 326 kB / 0.7085 GB, free: 6.336 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02024/0.373, allocations: 7.035 MB / 0.7154 GB, free: 15.29 MB / 0.5606 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 0.04127/0.4144, allocations: 26.42 MB / 0.7412 GB, free: 2.695 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009257/0.4237, allocations: 4.988 MB / 0.746 GB, free: 13.41 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006734/0.4305, allocations: 2.612 MB / 0.7486 GB, free: 10.77 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003954/0.4309, allocations: 127 kB / 0.7487 GB, free: 10.62 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.939e-05/0.431, allocations: 68.48 kB / 0.7488 GB, free: 10.55 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=208): time 7.213e-06/0.431, allocations: 0 / 0.7488 GB, free: 10.55 MB / 0.5919 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 0.5795/1.01, allocations: 30.91 MB / 0.779 GB, free: 110.7 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001091/1.011, allocations: 243.1 kB / 0.7792 GB, free: 110.4 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002167/1.013, allocations: 1.427 MB / 0.7806 GB, free: 109.6 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.0006286/1.013, allocations: 69.55 kB / 0.7807 GB, free: 109.6 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007974/1.014, allocations: 1.483 MB / 0.7821 GB, free: 108.3 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.001026/1.015, allocations: 0.9252 MB / 0.783 GB, free: 107.5 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001028/1.016, allocations: 0.6369 MB / 0.7836 GB, free: 107.1 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 7.709e-05/1.016, allocations: 306.2 kB / 0.7839 GB, free: 106.8 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005613/1.022, allocations: 2.693 MB / 0.7866 GB, free: 105.4 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006103/1.028, allocations: 3.57 MB / 0.79 GB, free: 102.9 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01162/1.04, allocations: 6.413 MB / 0.7963 GB, free: 97.07 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.285e-05/1.04, allocations: 7.984 kB / 0.7963 GB, free: 97.06 MB / 0.5919 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 0.02678/1.067, allocations: 11.03 MB / 0.8071 GB, free: 85.92 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.966e-05/1.067, allocations: 16.78 kB / 0.8071 GB, free: 85.91 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.313e-05/1.067, allocations: 24 kB / 0.8071 GB, free: 85.88 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01885/1.086, allocations: 5.54 MB / 0.8125 GB, free: 80.32 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004306/1.09, allocations: 1.002 MB / 0.8135 GB, free: 79.32 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03813/1.128, allocations: 28.18 MB / 0.841 GB, free: 50.75 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005186/1.133, allocations: 0.5693 MB / 0.8416 GB, free: 50.18 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006352/1.134, allocations: 147.9 kB / 0.8417 GB, free: 50.04 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007941/1.142, allocations: 3.991 MB / 0.8456 GB, free: 46.04 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005941/1.148, allocations: 3.532 MB / 0.8491 GB, free: 42.12 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08308/1.231, allocations: 24.64 MB / 0.8731 GB, free: 17.01 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.786e-05/1.231, allocations: 8 kB / 0.8731 GB, free: 17 MB / 0.5919 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 0.02422/1.255, allocations: 10.52 MB / 0.8834 GB, free: 6.336 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.319e-05/1.256, allocations: 24.03 kB / 0.8834 GB, free: 6.312 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.619e-05/1.256, allocations: 27.94 kB / 0.8835 GB, free: 6.285 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01347/1.269, allocations: 4.323 MB / 0.8877 GB, free: 1.945 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004224/1.273, allocations: 1.037 MB / 0.8887 GB, free: 0.9062 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03541/1.309, allocations: 27.1 MB / 0.9152 GB, free: 5.117 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004844/1.314, allocations: 0.5614 MB / 0.9157 GB, free: 4.555 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006084/1.314, allocations: 151.9 kB / 0.9159 GB, free: 4.406 MB / 0.6231 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001149/1.315, allocations: 404 kB / 0.9162 GB, free: 4.008 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007923/1.316, allocations: 209.6 kB / 0.9164 GB, free: 3.801 MB / 0.6231 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 0.02619/1.342, allocations: 10.15 MB / 0.9264 GB, free: 9.574 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.748e-05/1.343, allocations: 31.72 kB / 0.9264 GB, free: 9.547 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.644e-06/1.343, allocations: 0 / 0.9264 GB, free: 9.547 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00175/1.344, allocations: 0.725 MB / 0.9271 GB, free: 8.801 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000498/1.345, allocations: 51.91 kB / 0.9271 GB, free: 8.75 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003599/1.348, allocations: 0.4992 MB / 0.9276 GB, free: 8.25 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006909/1.349, allocations: 281.5 kB / 0.9279 GB, free: 7.977 MB / 0.6387 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02324/1.372, allocations: 9.417 MB / 0.9371 GB, free: 14.61 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01791/1.39, allocations: 8.883 MB / 0.9458 GB, free: 5.641 MB / 0.6544 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.005558/1.396, allocations: 2.669 MB / 0.9484 GB, free: 2.973 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.001491/1.397, allocations: 0.9761 MB / 0.9493 GB, free: 1.992 MB / 0.6544 GB Notification: Performance of Backend: time 4.71e-07/1.397, allocations: 4 kB / 0.9493 GB, free: 1.988 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.02631/1.424, allocations: 10.56 MB / 0.9596 GB, free: 7.387 MB / 0.67 GB Notification: Performance of SimCode: time 0.01146/1.435, allocations: 7.207 MB / 0.9667 GB, free: 156 kB / 0.67 GB Notification: Performance of Templates: time 0.47/1.905, allocations: 95.07 MB / 1.06 GB, free: 250.9 MB / 0.7481 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)