Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.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_10_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_10_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 0.001634/0.001634, allocations: 105.9 kB / 15.99 MB, free: 6.359 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001623/0.001623, allocations: 199.5 kB / 16.91 MB, free: 6.199 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.473/1.473, allocations: 222.9 MB / 240.6 MB, free: 15.44 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.542/2.542, allocations: 437.1 MB / 0.7107 GB, free: 4.699 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001922/0.001922, allocations: 60.84 kB / 0.8694 GB, free: 2.551 MB / 0.6387 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.311/0.313, allocations: 151.6 MB / 1.018 GB, free: 10.99 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02354/0.3366, allocations: 18.09 MB / 1.035 GB, free: 8.824 MB / 0.8106 GB Notification: Performance of NFInst.instExpressions: time 0.0126/0.3492, allocations: 6.747 MB / 1.042 GB, free: 2.059 MB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001677/0.3509, allocations: 43.88 kB / 1.042 GB, free: 2.016 MB / 0.8106 GB Notification: Performance of NFTyping.typeComponents: time 0.004125/0.3551, allocations: 1.357 MB / 1.043 GB, free: 0.6562 MB / 0.8106 GB Notification: Performance of NFTyping.typeBindings: time 0.003753/0.3588, allocations: 1.308 MB / 1.044 GB, free: 15.34 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.003269/0.3621, allocations: 1.168 MB / 1.046 GB, free: 14.18 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.006975/0.3691, allocations: 5.449 MB / 1.051 GB, free: 8.715 MB / 0.8262 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01294/0.3821, allocations: 8.493 MB / 1.059 GB, free: 124 kB / 0.8262 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003938/0.3861, allocations: 2.364 MB / 1.061 GB, free: 13.75 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005001/0.3911, allocations: 3.128 MB / 1.065 GB, free: 10.61 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.001478/0.3926, allocations: 0.5117 MB / 1.065 GB, free: 10.1 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003133/0.3958, allocations: 1.26 MB / 1.066 GB, free: 8.84 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.003329/0.3991, allocations: 2.238 MB / 1.068 GB, free: 6.598 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.003908/0.4031, allocations: 2.171 MB / 1.071 GB, free: 4.418 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.5144/0.9174, allocations: 6.609 MB / 1.077 GB, free: 28.7 MB / 0.8419 GB Notification: Performance of FrontEnd - DAE generated: time 6.873e-06/0.9175, allocations: 0 / 1.077 GB, free: 28.7 MB / 0.8419 GB Notification: Performance of FrontEnd: time 1.593e-06/0.9175, allocations: 0 / 1.077 GB, free: 28.7 MB / 0.8419 GB Notification: Performance of Transformations before backend: time 0.000227/0.9177, allocations: 0.8125 kB / 1.077 GB, free: 28.7 MB / 0.8419 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01086/0.9286, allocations: 3.786 MB / 1.081 GB, free: 27.41 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 4.304e-05/0.9287, allocations: 11.27 kB / 1.081 GB, free: 27.41 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01416/0.9428, allocations: 2.403 MB / 1.083 GB, free: 27.22 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006176/0.949, allocations: 2.153 MB / 1.085 GB, free: 26.78 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000337/0.9494, allocations: 265.8 kB / 1.085 GB, free: 26.77 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002481/0.9519, allocations: 342.8 kB / 1.086 GB, free: 26.77 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02173/0.9736, allocations: 7.131 MB / 1.093 GB, free: 26.4 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001101/0.9738, allocations: 9.781 kB / 1.093 GB, free: 26.4 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000765/0.9746, allocations: 144.3 kB / 1.093 GB, free: 26.4 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006475/0.9752, allocations: 333.2 kB / 1.093 GB, free: 26.39 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01961/0.9948, allocations: 7.036 MB / 1.1 GB, free: 25.55 MB / 0.8419 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03358/1.028, allocations: 26.61 MB / 1.126 GB, free: 6.582 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007739/1.036, allocations: 4.988 MB / 1.131 GB, free: 3.328 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005706/1.042, allocations: 2.599 MB / 1.133 GB, free: 2.035 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003237/1.042, allocations: 130.7 kB / 1.134 GB, free: 1.93 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.8e-05/1.042, allocations: 68.48 kB / 1.134 GB, free: 1.863 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=208): time 4.248e-06/1.042, allocations: 3.656 kB / 1.134 GB, free: 1.863 MB / 0.8419 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 0.1035/1.146, allocations: 30.9 MB / 1.164 GB, free: 272 kB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001818/1.146, allocations: 238.3 kB / 1.164 GB, free: 15.98 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002439/1.149, allocations: 1.435 MB / 1.165 GB, free: 14.54 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.0006816/1.149, allocations: 69.7 kB / 1.166 GB, free: 14.47 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.001203/1.151, allocations: 1.483 MB / 1.167 GB, free: 12.98 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.001293/1.152, allocations: 0.92 MB / 1.168 GB, free: 12.06 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001276/1.153, allocations: 0.6319 MB / 1.168 GB, free: 11.42 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0001278/1.153, allocations: 305.1 kB / 1.169 GB, free: 11.12 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006378/1.16, allocations: 2.692 MB / 1.171 GB, free: 8.422 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007332/1.167, allocations: 3.571 MB / 1.175 GB, free: 4.492 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0148/1.182, allocations: 6.405 MB / 1.181 GB, free: 13.8 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.596e-05/1.182, allocations: 8 kB / 1.181 GB, free: 13.79 MB / 0.8887 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.0305/1.212, allocations: 11.03 MB / 1.192 GB, free: 2.883 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 4.332e-05/1.212, allocations: 16 kB / 1.192 GB, free: 2.867 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.119e-05/1.213, allocations: 28 kB / 1.192 GB, free: 2.84 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02182/1.234, allocations: 5.565 MB / 1.197 GB, free: 13.27 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004676/1.239, allocations: 0.9878 MB / 1.198 GB, free: 12.31 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04751/1.287, allocations: 28.2 MB / 1.226 GB, free: 15.73 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004925/1.292, allocations: 0.5731 MB / 1.226 GB, free: 15.16 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006003/1.292, allocations: 155.9 kB / 1.227 GB, free: 15 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008901/1.301, allocations: 3.983 MB / 1.231 GB, free: 11.02 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007537/1.309, allocations: 3.536 MB / 1.234 GB, free: 7.117 MB / 0.9356 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09607/1.405, allocations: 24.68 MB / 1.258 GB, free: 14.04 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.975e-05/1.405, allocations: 8 kB / 1.258 GB, free: 14.04 MB / 0.9669 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02935/1.434, allocations: 10.52 MB / 1.268 GB, free: 3.586 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 4.732e-05/1.434, allocations: 16 kB / 1.268 GB, free: 3.57 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.324e-05/1.434, allocations: 28 kB / 1.268 GB, free: 3.543 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01664/1.451, allocations: 4.35 MB / 1.273 GB, free: 15.18 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004986/1.456, allocations: 1.035 MB / 1.274 GB, free: 14.18 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04172/1.498, allocations: 27.12 MB / 1.3 GB, free: 2.43 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004809/1.503, allocations: 0.5614 MB / 1.301 GB, free: 1.867 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000612/1.503, allocations: 151.9 kB / 1.301 GB, free: 1.719 MB / 0.9981 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 0.001101/1.504, allocations: 404.2 kB / 1.301 GB, free: 1.355 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007039/1.505, allocations: 193.7 kB / 1.301 GB, free: 1.164 MB / 0.9981 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 0.02886/1.534, allocations: 10.17 MB / 1.311 GB, free: 6.934 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.087e-05/1.534, allocations: 28 kB / 1.311 GB, free: 6.906 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.713e-05/1.534, allocations: 12 kB / 1.311 GB, free: 6.895 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.332e-05/1.534, allocations: 15.94 kB / 1.311 GB, free: 6.879 MB / 1.014 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 0.04089/1.575, allocations: 16.29 MB / 1.327 GB, free: 6.418 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.356e-05/1.575, allocations: 8 kB / 1.327 GB, free: 6.41 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00359/1.579, allocations: 0.7411 MB / 1.328 GB, free: 5.668 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01975/1.599, allocations: 5.203 MB / 1.333 GB, free: 460 kB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007626/1.599, allocations: 71.95 kB / 1.333 GB, free: 388 kB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04539/1.645, allocations: 27.27 MB / 1.36 GB, free: 4.625 MB / 1.061 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.409e-05/1.645, allocations: 18.19 kB / 1.36 GB, free: 4.609 MB / 1.061 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 0.02861/1.673, allocations: 10.08 MB / 1.37 GB, free: 10.28 MB / 1.076 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002704/1.676, allocations: 0.7172 MB / 1.37 GB, free: 9.543 MB / 1.076 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007231/1.677, allocations: 59.89 kB / 1.37 GB, free: 9.484 MB / 1.076 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003785/1.681, allocations: 0.507 MB / 1.371 GB, free: 8.977 MB / 1.076 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008752/1.682, allocations: 230.3 kB / 1.371 GB, free: 8.75 MB / 1.076 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002698/1.682, allocations: 95.95 kB / 1.371 GB, free: 8.656 MB / 1.076 GB Notification: Performance of sorting global known variables: time 0.00188/1.684, allocations: 0.9684 MB / 1.372 GB, free: 7.684 MB / 1.076 GB Notification: Performance of sort global known variables: time 1.6e-07/1.684, allocations: 0 / 1.372 GB, free: 7.684 MB / 1.076 GB Notification: Performance of remove unused functions: time 0.007314/1.691, allocations: 1.848 MB / 1.374 GB, free: 5.836 MB / 1.076 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 0.0005796/1.692, allocations: 178.9 kB / 1.374 GB, free: 5.652 MB / 1.076 GB Notification: Performance of simCode: created initialization part: time 0.03733/1.729, allocations: 14.4 MB / 1.388 GB, free: 7.152 MB / 1.092 GB Notification: Performance of simCode: created event and clocks part: time 1.495e-05/1.729, allocations: 0 / 1.388 GB, free: 7.152 MB / 1.092 GB Notification: Performance of simCode: created simulation system equations: time 0.01197/1.741, allocations: 4.416 MB / 1.393 GB, free: 2.688 MB / 1.092 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00275/1.744, allocations: 268.6 kB / 1.393 GB, free: 2.434 MB / 1.092 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02589/1.77, allocations: 11.15 MB / 1.404 GB, free: 7.164 MB / 1.107 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004156/1.774, allocations: 2.903 MB / 1.406 GB, free: 4.23 MB / 1.107 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001264/1.775, allocations: 211.2 kB / 1.407 GB, free: 4.027 MB / 1.107 GB Notification: Performance of SimCode: time 1.092e-06/1.775, allocations: 4 kB / 1.407 GB, free: 4.023 MB / 1.107 GB Notification: Performance of Templates: time 0.1656/1.941, allocations: 107 MB / 1.511 GB, free: 9.156 MB / 1.217 GB make -j1 -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)