Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 9.1.2-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/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_9_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_9_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 0.001483/0.001483, allocations: 102.4 kB / 16.35 MB, free: 5.875 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00175/0.001751, allocations: 191 kB / 17.29 MB, free: 5.516 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.476/1.476, allocations: 222.9 MB / 241 MB, free: 14.99 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.222/2.222, allocations: 390.3 MB / 0.6655 GB, free: 0.6484 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001485/0.001486, allocations: 62.08 kB / 0.814 GB, free: 32.68 MB / 0.6231 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2893/0.2908, allocations: 140.4 MB / 0.9511 GB, free: 8.055 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02173/0.3125, allocations: 18.2 MB / 0.9689 GB, free: 5.789 MB / 0.7481 GB Notification: Performance of NFInst.instExpressions: time 0.01149/0.3241, allocations: 6.789 MB / 0.9755 GB, free: 14.98 MB / 0.7637 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001652/0.3257, allocations: 55.88 kB / 0.9756 GB, free: 14.93 MB / 0.7637 GB Notification: Performance of NFTyping.typeComponents: time 0.005172/0.3309, allocations: 1.469 MB / 0.977 GB, free: 13.45 MB / 0.7637 GB Notification: Performance of NFTyping.typeBindings: time 0.004758/0.3357, allocations: 1.397 MB / 0.9784 GB, free: 12.05 MB / 0.7637 GB Notification: Performance of NFTyping.typeClassSections: time 0.003603/0.3393, allocations: 1.275 MB / 0.9796 GB, free: 10.77 MB / 0.7637 GB Notification: Performance of NFFlatten.flatten: time 0.006469/0.3458, allocations: 5.441 MB / 0.985 GB, free: 5.32 MB / 0.7637 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009891/0.3558, allocations: 7.068 MB / 0.9919 GB, free: 14.14 MB / 0.7794 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004363/0.3602, allocations: 2.353 MB / 0.9942 GB, free: 11.79 MB / 0.7794 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005154/0.3653, allocations: 2.961 MB / 0.997 GB, free: 8.816 MB / 0.7794 GB Notification: Performance of NFPackage.collectConstants: time 0.00176/0.3671, allocations: 0.5117 MB / 0.9975 GB, free: 8.305 MB / 0.7794 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003728/0.3709, allocations: 1.252 MB / 0.9988 GB, free: 7.051 MB / 0.7794 GB Notification: Performance of NFScalarize.scalarize: time 0.003782/0.3747, allocations: 2.238 MB / 1.001 GB, free: 4.809 MB / 0.7794 GB Notification: Performance of NFVerifyModel.verify: time 0.004611/0.3793, allocations: 2.167 MB / 1.003 GB, free: 2.633 MB / 0.7794 GB Notification: Performance of NFConvertDAE.convert: time 0.008364/0.3877, allocations: 7.725 MB / 1.011 GB, free: 10.89 MB / 0.795 GB Notification: Performance of FrontEnd - DAE generated: time 6.392e-06/0.3877, allocations: 0 / 1.011 GB, free: 10.89 MB / 0.795 GB Notification: Performance of FrontEnd: time 1.953e-06/0.3878, allocations: 0 / 1.011 GB, free: 10.89 MB / 0.795 GB Notification: Performance of Transformations before backend: time 0.000217/0.388, allocations: 4 kB / 1.011 GB, free: 10.88 MB / 0.795 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 0.008715/0.3967, allocations: 3.78 MB / 1.014 GB, free: 7.043 MB / 0.795 GB Notification: Performance of prepare preOptimizeDAE: time 4.187e-05/0.3968, allocations: 8.031 kB / 1.014 GB, free: 7.035 MB / 0.795 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01195/0.4087, allocations: 2.337 MB / 1.017 GB, free: 4.691 MB / 0.795 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005849/0.4146, allocations: 2.175 MB / 1.019 GB, free: 2.473 MB / 0.795 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002182/0.4148, allocations: 263.4 kB / 1.019 GB, free: 2.215 MB / 0.795 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001287/0.4161, allocations: 351.9 kB / 1.019 GB, free: 1.871 MB / 0.795 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01506/0.4312, allocations: 7.101 MB / 1.026 GB, free: 10.67 MB / 0.8106 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.992e-05/0.4313, allocations: 4 kB / 1.026 GB, free: 10.67 MB / 0.8106 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004419/0.4318, allocations: 147.9 kB / 1.026 GB, free: 10.52 MB / 0.8106 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004372/0.4322, allocations: 338 kB / 1.027 GB, free: 10.19 MB / 0.8106 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01555/0.4478, allocations: 6.981 MB / 1.034 GB, free: 3.195 MB / 0.8106 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 0.03915/0.487, allocations: 26.36 MB / 1.059 GB, free: 6.664 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009047/0.4961, allocations: 4.992 MB / 1.064 GB, free: 1.355 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006609/0.5027, allocations: 2.604 MB / 1.067 GB, free: 14.73 MB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004572/0.5032, allocations: 131 kB / 1.067 GB, free: 14.59 MB / 0.8575 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.442e-05/0.5033, allocations: 68.55 kB / 1.067 GB, free: 14.51 MB / 0.8575 GB Notification: Performance of pre-optimization done (n=208): time 4.359e-06/0.5033, allocations: 0 / 1.067 GB, free: 14.51 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 0.6646/1.168, allocations: 30.89 MB / 1.097 GB, free: 119.7 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001004/1.168, allocations: 235.8 kB / 1.097 GB, free: 119.4 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002412/1.17, allocations: 1.402 MB / 1.099 GB, free: 118.9 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.0006672/1.171, allocations: 72.05 kB / 1.099 GB, free: 118.8 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.001021/1.172, allocations: 1.48 MB / 1.1 GB, free: 117.7 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.001094/1.173, allocations: 0.9181 MB / 1.101 GB, free: 117 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001295/1.175, allocations: 0.6299 MB / 1.102 GB, free: 116.7 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 6.368e-05/1.175, allocations: 309.1 kB / 1.102 GB, free: 116.4 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006147/1.181, allocations: 2.668 MB / 1.105 GB, free: 115.6 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006805/1.188, allocations: 3.551 MB / 1.108 GB, free: 113.7 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01248/1.2, allocations: 6.382 MB / 1.114 GB, free: 110.6 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.419e-05/1.2, allocations: 8.844 kB / 1.114 GB, free: 110.6 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=410) (initialization): time 0.02801/1.228, allocations: 10.99 MB / 1.125 GB, free: 105.9 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 4.747e-05/1.228, allocations: 16.34 kB / 1.125 GB, free: 105.9 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.491e-05/1.228, allocations: 25.66 kB / 1.125 GB, free: 105.9 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01945/1.248, allocations: 5.47 MB / 1.13 GB, free: 103.4 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004066/1.252, allocations: 0.9862 MB / 1.131 GB, free: 103 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03522/1.287, allocations: 28.13 MB / 1.159 GB, free: 78.64 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004388/1.292, allocations: 0.5497 MB / 1.159 GB, free: 78.09 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005901/1.292, allocations: 151.9 kB / 1.16 GB, free: 77.94 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007272/1.3, allocations: 3.96 MB / 1.163 GB, free: 73.97 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005245/1.305, allocations: 3.517 MB / 1.167 GB, free: 70.08 MB / 0.8575 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07899/1.384, allocations: 24.56 MB / 1.191 GB, free: 45.05 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.085e-05/1.384, allocations: 8 kB / 1.191 GB, free: 45.04 MB / 0.8575 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 0.02346/1.407, allocations: 10.49 MB / 1.201 GB, free: 34.4 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 3.3e-05/1.407, allocations: 19.94 kB / 1.201 GB, free: 34.38 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.68e-05/1.407, allocations: 24 kB / 1.201 GB, free: 34.36 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01349/1.421, allocations: 4.242 MB / 1.205 GB, free: 30.1 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004152/1.425, allocations: 1.035 MB / 1.206 GB, free: 29.07 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02869/1.454, allocations: 27.08 MB / 1.233 GB, free: 1.289 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004907/1.459, allocations: 0.5303 MB / 1.233 GB, free: 0.7578 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009539/1.46, allocations: 155.9 kB / 1.233 GB, free: 0.6055 MB / 0.8575 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 0.001883/1.462, allocations: 397.2 kB / 1.234 GB, free: 220 kB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001256/1.463, allocations: 197.7 kB / 1.234 GB, free: 20 kB / 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 postOpt wrapFunctionCalls (simulation): time 0.02791/1.491, allocations: 10.17 MB / 1.244 GB, free: 5.785 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.872e-05/1.491, allocations: 24 kB / 1.244 GB, free: 5.762 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.083e-05/1.491, allocations: 12 kB / 1.244 GB, free: 5.75 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.449e-05/1.491, allocations: 23.94 kB / 1.244 GB, free: 5.727 MB / 0.8731 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 0.03915/1.53, allocations: 16.24 MB / 1.26 GB, free: 5.309 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.742e-05/1.53, allocations: 4 kB / 1.26 GB, free: 5.305 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003515/1.534, allocations: 0.734 MB / 1.26 GB, free: 4.57 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01883/1.553, allocations: 5.1 MB / 1.265 GB, free: 15.46 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007097/1.554, allocations: 75.95 kB / 1.266 GB, free: 15.38 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04429/1.598, allocations: 27.22 MB / 1.292 GB, free: 3.68 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.414e-05/1.598, allocations: 16.03 kB / 1.292 GB, free: 3.664 MB / 0.92 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 0.02777/1.626, allocations: 10.1 MB / 1.302 GB, free: 9.32 MB / 0.9356 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002591/1.628, allocations: 0.7172 MB / 1.303 GB, free: 8.582 MB / 0.9356 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009398/1.629, allocations: 55.98 kB / 1.303 GB, free: 8.527 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003917/1.633, allocations: 0.4992 MB / 1.303 GB, free: 8.027 MB / 0.9356 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009934/1.634, allocations: 230.4 kB / 1.303 GB, free: 7.801 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004267/1.635, allocations: 87.95 kB / 1.304 GB, free: 7.715 MB / 0.9356 GB Notification: Performance of sorting global known variables: time 0.001703/1.636, allocations: 0.9489 MB / 1.304 GB, free: 6.762 MB / 0.9356 GB Notification: Performance of sort global known variables: time 1.1e-07/1.636, allocations: 3.938 kB / 1.304 GB, free: 6.758 MB / 0.9356 GB Notification: Performance of remove unused functions: time 0.007828/1.644, allocations: 1.836 MB / 1.306 GB, free: 4.922 MB / 0.9356 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 0.0006731/1.645, allocations: 178.9 kB / 1.306 GB, free: 4.738 MB / 0.9356 GB Notification: Performance of simCode: created initialization part: time 0.03044/1.675, allocations: 12.4 MB / 1.319 GB, free: 8.234 MB / 0.9512 GB Notification: Performance of simCode: created event and clocks part: time 1.293e-05/1.675, allocations: 4.25 kB / 1.319 GB, free: 8.23 MB / 0.9512 GB Notification: Performance of simCode: created simulation system equations: time 0.01104/1.686, allocations: 4.425 MB / 1.323 GB, free: 3.77 MB / 0.9512 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003062/1.69, allocations: 268.5 kB / 1.323 GB, free: 3.52 MB / 0.9512 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02257/1.712, allocations: 8.934 MB / 1.332 GB, free: 10.47 MB / 0.9669 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004229/1.716, allocations: 2.836 MB / 1.335 GB, free: 7.605 MB / 0.9669 GB Notification: Performance of simCode: alias equations: time 0.004915/1.721, allocations: 1.641 MB / 1.336 GB, free: 5.961 MB / 0.9669 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009057/1.722, allocations: 167.3 kB / 1.336 GB, free: 5.797 MB / 0.9669 GB Notification: Performance of SimCode: time 7.31e-07/1.722, allocations: 0 / 1.336 GB, free: 5.797 MB / 0.9669 GB Notification: Performance of Templates: time 0.1253/1.848, allocations: 77.14 MB / 1.412 GB, free: 8.863 MB / 1.045 GB make -j1 -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=480 -s gbode -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)