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 0.001538/0.001538, allocations: 110.2 kB / 16.37 MB, free: 6.012 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001778/0.001779, allocations: 194.6 kB / 17.31 MB, free: 5.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.447/1.447, 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 9.1.2-maint.9.1.x/package.mo): time 2.308/2.308, allocations: 390.3 MB / 0.6655 GB, free: 0.5898 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.00131/0.00131, allocations: 64.97 kB / 0.8141 GB, free: 32.69 MB / 0.6231 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3244/0.3257, allocations: 140.4 MB / 0.9512 GB, free: 8.004 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02296/0.3487, allocations: 18.19 MB / 0.9689 GB, free: 5.742 MB / 0.7481 GB Notification: Performance of NFInst.instExpressions: time 0.01436/0.3631, allocations: 6.793 MB / 0.9756 GB, free: 14.93 MB / 0.7637 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002354/0.3655, allocations: 55.88 kB / 0.9756 GB, free: 14.88 MB / 0.7637 GB Notification: Performance of NFTyping.typeComponents: time 0.004346/0.3699, allocations: 1.474 MB / 0.977 GB, free: 13.4 MB / 0.7637 GB Notification: Performance of NFTyping.typeBindings: time 0.005495/0.3754, allocations: 1.393 MB / 0.9784 GB, free: 12 MB / 0.7637 GB Notification: Performance of NFTyping.typeClassSections: time 0.004432/0.3798, allocations: 1.278 MB / 0.9797 GB, free: 10.72 MB / 0.7637 GB Notification: Performance of NFFlatten.flatten: time 0.007624/0.3875, allocations: 5.437 MB / 0.985 GB, free: 5.27 MB / 0.7637 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008527/0.396, allocations: 7.068 MB / 0.9919 GB, free: 14.09 MB / 0.7794 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004022/0.4001, allocations: 2.349 MB / 0.9942 GB, free: 11.74 MB / 0.7794 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005069/0.4052, allocations: 2.961 MB / 0.9971 GB, free: 8.77 MB / 0.7794 GB Notification: Performance of NFPackage.collectConstants: time 0.001288/0.4065, allocations: 0.5117 MB / 0.9976 GB, free: 8.258 MB / 0.7794 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002998/0.4095, allocations: 1.252 MB / 0.9988 GB, free: 7.004 MB / 0.7794 GB Notification: Performance of NFScalarize.scalarize: time 0.002637/0.4122, allocations: 2.246 MB / 1.001 GB, free: 4.754 MB / 0.7794 GB Notification: Performance of NFVerifyModel.verify: time 0.00364/0.4158, allocations: 2.167 MB / 1.003 GB, free: 2.578 MB / 0.7794 GB Notification: Performance of NFConvertDAE.convert: time 0.0079/0.4237, allocations: 7.717 MB / 1.011 GB, free: 10.84 MB / 0.795 GB Notification: Performance of FrontEnd - DAE generated: time 6.311e-06/0.4238, allocations: 0 / 1.011 GB, free: 10.84 MB / 0.795 GB Notification: Performance of FrontEnd: time 1.823e-06/0.4238, allocations: 4 kB / 1.011 GB, free: 10.84 MB / 0.795 GB Notification: Performance of Transformations before backend: time 0.0002154/0.424, allocations: 4 kB / 1.011 GB, free: 10.83 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 0.009102/0.4331, allocations: 3.784 MB / 1.014 GB, free: 6.988 MB / 0.795 GB Notification: Performance of prepare preOptimizeDAE: time 4.64e-05/0.4332, allocations: 8.031 kB / 1.014 GB, free: 6.98 MB / 0.795 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01241/0.4456, allocations: 2.329 MB / 1.017 GB, free: 4.645 MB / 0.795 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007362/0.453, allocations: 2.178 MB / 1.019 GB, free: 2.422 MB / 0.795 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002556/0.4533, allocations: 267.4 kB / 1.019 GB, free: 2.16 MB / 0.795 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001721/0.455, allocations: 347.9 kB / 1.019 GB, free: 1.82 MB / 0.795 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01571/0.4707, allocations: 7.098 MB / 1.026 GB, free: 10.62 MB / 0.8106 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.358e-05/0.4708, allocations: 7.922 kB / 1.026 GB, free: 10.62 MB / 0.8106 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004855/0.4713, allocations: 152 kB / 1.026 GB, free: 10.47 MB / 0.8106 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004367/0.4718, allocations: 326 kB / 1.027 GB, free: 10.15 MB / 0.8106 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01559/0.4874, allocations: 6.989 MB / 1.034 GB, free: 3.145 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 0.03851/0.5259, allocations: 26.36 MB / 1.059 GB, free: 6.609 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00851/0.5345, allocations: 4.984 MB / 1.064 GB, free: 1.309 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005928/0.5404, allocations: 2.608 MB / 1.067 GB, free: 14.68 MB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003277/0.5408, allocations: 131 kB / 1.067 GB, free: 14.54 MB / 0.8575 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.421e-05/0.5409, allocations: 64.5 kB / 1.067 GB, free: 14.46 MB / 0.8575 GB Notification: Performance of pre-optimization done (n=208): time 4.348e-06/0.5409, allocations: 0 / 1.067 GB, free: 14.46 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 0.6716/1.213, allocations: 30.89 MB / 1.097 GB, free: 119.6 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000143/1.213, allocations: 242.9 kB / 1.097 GB, free: 119.3 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003157/1.216, allocations: 1.403 MB / 1.099 GB, free: 118.8 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.0008193/1.217, allocations: 70.7 kB / 1.099 GB, free: 118.7 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.001283/1.218, allocations: 1.485 MB / 1.1 GB, free: 117.6 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.001223/1.219, allocations: 0.9162 MB / 1.101 GB, free: 116.9 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001284/1.221, allocations: 0.6293 MB / 1.102 GB, free: 116.6 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 5.977e-05/1.221, allocations: 306.9 kB / 1.102 GB, free: 116.3 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006326/1.227, allocations: 2.671 MB / 1.105 GB, free: 115.5 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007876/1.235, allocations: 3.547 MB / 1.108 GB, free: 113.6 MB / 0.8575 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01358/1.248, allocations: 6.387 MB / 1.114 GB, free: 110.5 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.111e-05/1.249, allocations: 11.81 kB / 1.114 GB, free: 110.5 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 0.03047/1.279, allocations: 10.99 MB / 1.125 GB, free: 105.9 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 6.575e-05/1.279, allocations: 16.16 kB / 1.125 GB, free: 105.9 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.834e-05/1.279, allocations: 26.31 kB / 1.125 GB, free: 105.9 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01853/1.298, allocations: 5.465 MB / 1.13 GB, free: 103.3 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004192/1.302, allocations: 0.9846 MB / 1.131 GB, free: 103 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03517/1.337, allocations: 28.14 MB / 1.159 GB, free: 78.57 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00477/1.342, allocations: 0.5536 MB / 1.159 GB, free: 78.02 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00069/1.343, allocations: 151.9 kB / 1.16 GB, free: 77.87 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006888/1.35, allocations: 3.956 MB / 1.163 GB, free: 73.91 MB / 0.8575 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00517/1.355, allocations: 3.517 MB / 1.167 GB, free: 70.01 MB / 0.8575 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07547/1.43, allocations: 24.55 MB / 1.191 GB, free: 44.98 MB / 0.8575 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.866e-05/1.43, allocations: 8 kB / 1.191 GB, free: 44.98 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 0.02221/1.453, allocations: 10.49 MB / 1.201 GB, free: 34.34 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 3.545e-05/1.453, allocations: 19.94 kB / 1.201 GB, free: 34.32 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.196e-05/1.453, allocations: 28.53 kB / 1.201 GB, free: 34.3 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01306/1.466, allocations: 4.249 MB / 1.205 GB, free: 30.04 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004066/1.47, allocations: 1.028 MB / 1.206 GB, free: 29.01 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02826/1.498, allocations: 27.08 MB / 1.233 GB, free: 1.23 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004292/1.503, allocations: 0.5303 MB / 1.233 GB, free: 0.6992 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000488/1.503, allocations: 148 kB / 1.233 GB, free: 0.5547 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 0.001017/1.504, allocations: 408.8 kB / 1.234 GB, free: 152 kB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000713/1.505, allocations: 193.8 kB / 1.234 GB, free: 15.95 MB / 0.8731 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 0.02622/1.531, allocations: 10.17 MB / 1.244 GB, free: 5.715 MB / 0.8731 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.343e-05/1.531, allocations: 29.97 kB / 1.244 GB, free: 5.688 MB / 0.8731 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.509e-05/1.531, allocations: 15.72 kB / 1.244 GB, free: 5.676 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.661e-05/1.531, allocations: 11.95 kB / 1.244 GB, free: 5.664 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 0.03653/1.568, allocations: 16.24 MB / 1.26 GB, free: 5.246 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.66e-05/1.568, allocations: 8 kB / 1.26 GB, free: 5.238 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00339/1.571, allocations: 0.734 MB / 1.261 GB, free: 4.504 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0182/1.589, allocations: 5.095 MB / 1.265 GB, free: 15.39 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006787/1.59, allocations: 75.95 kB / 1.266 GB, free: 15.32 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04049/1.631, allocations: 27.23 MB / 1.292 GB, free: 3.613 MB / 0.92 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.771e-05/1.631, allocations: 16.03 kB / 1.292 GB, free: 3.598 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 0.02605/1.657, allocations: 10.09 MB / 1.302 GB, free: 9.262 MB / 0.9356 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00242/1.659, allocations: 0.7172 MB / 1.303 GB, free: 8.523 MB / 0.9356 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005696/1.66, allocations: 54.44 kB / 1.303 GB, free: 8.473 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003551/1.663, allocations: 0.4992 MB / 1.303 GB, free: 7.973 MB / 0.9356 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008656/1.664, allocations: 226.3 kB / 1.303 GB, free: 7.75 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002699/1.664, allocations: 99.94 kB / 1.304 GB, free: 7.652 MB / 0.9356 GB Notification: Performance of sorting global known variables: time 0.001449/1.666, allocations: 0.945 MB / 1.304 GB, free: 6.703 MB / 0.9356 GB Notification: Performance of sort global known variables: time 4.11e-07/1.666, allocations: 0 / 1.304 GB, free: 6.703 MB / 0.9356 GB Notification: Performance of remove unused functions: time 0.006952/1.673, allocations: 1.836 MB / 1.306 GB, free: 4.867 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 0.0005606/1.673, allocations: 174.9 kB / 1.306 GB, free: 4.688 MB / 0.9356 GB Notification: Performance of simCode: created initialization part: time 0.02893/1.702, allocations: 12.41 MB / 1.319 GB, free: 8.176 MB / 0.9512 GB Notification: Performance of simCode: created event and clocks part: time 1.444e-05/1.702, allocations: 4 kB / 1.319 GB, free: 8.172 MB / 0.9512 GB Notification: Performance of simCode: created simulation system equations: time 0.01127/1.714, allocations: 4.425 MB / 1.323 GB, free: 3.711 MB / 0.9512 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002523/1.716, allocations: 270.2 kB / 1.323 GB, free: 3.457 MB / 0.9512 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02038/1.737, allocations: 8.944 MB / 1.332 GB, free: 10.41 MB / 0.9669 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003198/1.74, allocations: 2.833 MB / 1.335 GB, free: 7.543 MB / 0.9669 GB Notification: Performance of simCode: alias equations: time 0.004375/1.744, allocations: 1.645 MB / 1.336 GB, free: 5.895 MB / 0.9669 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006751/1.745, allocations: 171.3 kB / 1.336 GB, free: 5.727 MB / 0.9669 GB Notification: Performance of SimCode: time 1.343e-06/1.745, allocations: 0 / 1.336 GB, free: 5.727 MB / 0.9669 GB Notification: Performance of Templates: time 0.123/1.868, allocations: 77.12 MB / 1.412 GB, free: 8.805 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 cvode -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)