Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0012/0.0012, allocations: 111.7 kB / 16.41 MB, free: 6.465 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001213/0.001213, allocations: 189.5 kB / 17.35 MB, free: 5.711 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.362/1.362, allocations: 222.9 MB / 241.1 MB, free: 15.1 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.778/2.778, allocations: 472.7 MB / 0.746 GB, free: 0.4922 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001362/0.001362, allocations: 64.05 kB / 1.07 GB, free: 9.461 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7903/0.7917, allocations: 159.9 MB / 1.226 GB, free: 13.64 MB / 0.9512 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02197/0.8137, allocations: 18.28 MB / 1.244 GB, free: 11.3 MB / 0.9669 GB Notification: Performance of NFInst.instExpressions: time 0.01175/0.8255, allocations: 6.823 MB / 1.251 GB, free: 4.465 MB / 0.9669 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001926/0.8275, allocations: 55.88 kB / 1.251 GB, free: 4.41 MB / 0.9669 GB Notification: Performance of NFTyping.typeComponents: time 0.00398/0.8316, allocations: 1.465 MB / 1.252 GB, free: 2.941 MB / 0.9669 GB Notification: Performance of NFTyping.typeBindings: time 0.003665/0.8352, allocations: 1.455 MB / 1.254 GB, free: 1.48 MB / 0.9669 GB Notification: Performance of NFTyping.typeClassSections: time 0.003209/0.8385, allocations: 1.282 MB / 1.255 GB, free: 204 kB / 0.9669 GB Notification: Performance of NFFlatten.flatten: time 0.006114/0.8446, allocations: 5.457 MB / 1.26 GB, free: 10.73 MB / 0.9825 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008989/0.8536, allocations: 7.128 MB / 1.267 GB, free: 3.488 MB / 0.9825 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003847/0.8575, allocations: 2.376 MB / 1.27 GB, free: 1.105 MB / 0.9825 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004635/0.8621, allocations: 2.961 MB / 1.273 GB, free: 14.14 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.001355/0.8635, allocations: 0.5195 MB / 1.273 GB, free: 13.62 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003104/0.8666, allocations: 1.272 MB / 1.274 GB, free: 12.34 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.003125/0.8698, allocations: 2.246 MB / 1.277 GB, free: 10.09 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.004032/0.8738, allocations: 2.19 MB / 1.279 GB, free: 7.895 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.009152/0.883, allocations: 7.804 MB / 1.286 GB, free: 68 kB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 5.881e-06/0.883, allocations: 0 / 1.286 GB, free: 68 kB / 0.9981 GB Notification: Performance of FrontEnd: time 1.843e-06/0.883, allocations: 0 / 1.286 GB, free: 68 kB / 0.9981 GB Notification: Performance of Transformations before backend: time 0.0002143/0.8833, allocations: 0 / 1.286 GB, free: 68 kB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01026/0.8935, allocations: 3.911 MB / 1.29 GB, free: 12.09 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 4.64e-05/0.8936, allocations: 8.031 kB / 1.29 GB, free: 12.08 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01333/0.9069, allocations: 2.44 MB / 1.293 GB, free: 9.637 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005312/0.9123, allocations: 2.191 MB / 1.295 GB, free: 7.398 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002963/0.9126, allocations: 271.5 kB / 1.295 GB, free: 7.133 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001636/0.9143, allocations: 359.8 kB / 1.295 GB, free: 6.781 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01758/0.9319, allocations: 7.151 MB / 1.302 GB, free: 15.53 MB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001313/0.932, allocations: 8 kB / 1.302 GB, free: 15.52 MB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001051/0.9331, allocations: 155.9 kB / 1.302 GB, free: 15.37 MB / 1.029 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004703/0.9336, allocations: 334.1 kB / 1.303 GB, free: 15.04 MB / 1.029 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01747/0.951, allocations: 7.044 MB / 1.31 GB, free: 7.98 MB / 1.029 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 0.03956/0.9906, allocations: 26.57 MB / 1.336 GB, free: 11.23 MB / 1.061 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008602/0.9993, allocations: 5 MB / 1.34 GB, free: 5.93 MB / 1.061 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005993/1.005, allocations: 2.608 MB / 1.343 GB, free: 3.297 MB / 1.061 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003212/1.006, allocations: 135 kB / 1.343 GB, free: 3.145 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.858e-05/1.006, allocations: 64.5 kB / 1.343 GB, free: 3.074 MB / 1.061 GB Notification: Performance of pre-optimization done (n=208): time 4.228e-06/1.006, allocations: 0 / 1.343 GB, free: 3.074 MB / 1.061 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 0.104/1.11, allocations: 31.2 MB / 1.374 GB, free: 3.809 MB / 1.092 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001095/1.11, allocations: 239.6 kB / 1.374 GB, free: 3.523 MB / 1.092 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002311/1.112, allocations: 1.473 MB / 1.375 GB, free: 2.043 MB / 1.092 GB Notification: Performance of collectPreVariables (initialization): time 0.0005065/1.113, allocations: 69.7 kB / 1.375 GB, free: 1.969 MB / 1.092 GB Notification: Performance of collectInitialEqns (initialization): time 0.000922/1.114, allocations: 1.55 MB / 1.377 GB, free: 412 kB / 1.092 GB Notification: Performance of collectInitialBindings (initialization): time 0.001113/1.115, allocations: 0.9644 MB / 1.378 GB, free: 15.43 MB / 1.107 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001436/1.116, allocations: 0.6321 MB / 1.378 GB, free: 14.79 MB / 1.107 GB Notification: Performance of setup shared object (initialization): time 8.628e-05/1.116, allocations: 309.1 kB / 1.379 GB, free: 14.48 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005757/1.122, allocations: 2.686 MB / 1.381 GB, free: 11.79 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006638/1.129, allocations: 3.567 MB / 1.385 GB, free: 7.844 MB / 1.107 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01279/1.142, allocations: 6.41 MB / 1.391 GB, free: 1.035 MB / 1.107 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.346e-05/1.142, allocations: 8 kB / 1.391 GB, free: 1.027 MB / 1.107 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 0.02782/1.17, allocations: 11.03 MB / 1.402 GB, free: 5.891 MB / 1.123 GB Notification: Performance of prepare postOptimizeDAE: time 4.812e-05/1.17, allocations: 21.44 kB / 1.402 GB, free: 5.871 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.978e-05/1.17, allocations: 24 kB / 1.402 GB, free: 5.848 MB / 1.123 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01931/1.189, allocations: 5.54 MB / 1.407 GB, free: 300 kB / 1.123 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004259/1.193, allocations: 0.9906 MB / 1.408 GB, free: 15.3 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04405/1.237, allocations: 28.21 MB / 1.436 GB, free: 2.637 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005163/1.243, allocations: 0.5733 MB / 1.436 GB, free: 2.062 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007604/1.243, allocations: 151.9 kB / 1.437 GB, free: 1.914 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008754/1.252, allocations: 3.984 MB / 1.44 GB, free: 13.92 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006771/1.259, allocations: 3.532 MB / 1.444 GB, free: 10 MB / 1.17 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08643/1.345, allocations: 24.62 MB / 1.468 GB, free: 0.8711 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.027e-05/1.346, allocations: 4 kB / 1.468 GB, free: 0.8672 MB / 1.186 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 0.02631/1.372, allocations: 10.55 MB / 1.478 GB, free: 6.172 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 4.053e-05/1.372, allocations: 16 kB / 1.478 GB, free: 6.156 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.808e-05/1.372, allocations: 28.06 kB / 1.478 GB, free: 6.129 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0148/1.387, allocations: 4.325 MB / 1.483 GB, free: 1.781 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004606/1.391, allocations: 1.041 MB / 1.484 GB, free: 0.7383 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03544/1.427, allocations: 27.14 MB / 1.51 GB, free: 4.871 MB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004412/1.431, allocations: 0.5537 MB / 1.511 GB, free: 4.316 MB / 1.232 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006105/1.432, allocations: 148 kB / 1.511 GB, free: 4.172 MB / 1.232 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.001289/1.433, allocations: 417.7 kB / 1.511 GB, free: 3.762 MB / 1.232 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008106/1.434, allocations: 214.7 kB / 1.511 GB, free: 3.551 MB / 1.232 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 0.02655/1.461, allocations: 10.16 MB / 1.521 GB, free: 9.312 MB / 1.248 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.901e-05/1.461, allocations: 15.89 kB / 1.521 GB, free: 9.297 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.656e-06/1.461, allocations: 0 / 1.521 GB, free: 9.297 MB / 1.248 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00178/1.463, allocations: 0.7377 MB / 1.522 GB, free: 8.539 MB / 1.248 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007113/1.463, allocations: 52.36 kB / 1.522 GB, free: 8.488 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003705/1.467, allocations: 0.5069 MB / 1.523 GB, free: 7.98 MB / 1.248 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008202/1.468, allocations: 281.5 kB / 1.523 GB, free: 7.703 MB / 1.248 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02329/1.491, allocations: 9.419 MB / 1.532 GB, free: 14.26 MB / 1.264 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.0179/1.509, allocations: 8.911 MB / 1.541 GB, free: 5.27 MB / 1.264 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.005953/1.515, allocations: 2.665 MB / 1.543 GB, free: 2.598 MB / 1.264 GB Notification: Performance of sorting global known variables: time 0.001882/1.517, allocations: 0.9972 MB / 1.544 GB, free: 1.598 MB / 1.264 GB Notification: Performance of Backend: time 1.393e-06/1.517, allocations: 0 / 1.544 GB, free: 1.598 MB / 1.264 GB Notification: Performance of simCode: created initialization part: time 0.02852/1.546, allocations: 10.59 MB / 1.555 GB, free: 6.914 MB / 1.279 GB Notification: Performance of SimCode: time 0.681/2.227, allocations: 7.399 MB / 1.562 GB, free: 314 MB / 1.279 GB Notification: Performance of Templates: time 0.1247/2.351, allocations: 95.65 MB / 1.655 GB, free: 245.8 MB / 1.279 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)