Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-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.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_9_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_9_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 0.009274/0.009274, allocations: 101.4 kB / 15.73 MB, free: 6.035 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002178/0.002178, allocations: 191.7 kB / 16.67 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.536/1.536, allocations: 222.9 MB / 240.4 MB, free: 4.312 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.509/2.509, allocations: 390.2 MB / 0.6648 GB, free: 232 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001218/0.001218, allocations: 62.3 kB / 0.9509 GB, free: 5.547 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3343/0.3356, allocations: 140.4 MB / 1.088 GB, free: 1.438 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02028/0.3559, allocations: 18.26 MB / 1.106 GB, free: 15.1 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.01169/0.3676, allocations: 6.809 MB / 1.113 GB, free: 8.273 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001937/0.3696, allocations: 55.88 kB / 1.113 GB, free: 8.219 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.003974/0.3736, allocations: 1.477 MB / 1.114 GB, free: 6.738 MB / 0.8731 GB Notification: Performance of NFTyping.typeBindings: time 0.003898/0.3775, allocations: 1.439 MB / 1.115 GB, free: 5.293 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.003389/0.3809, allocations: 1.258 MB / 1.117 GB, free: 4.035 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.006951/0.3879, allocations: 5.457 MB / 1.122 GB, free: 14.57 MB / 0.8887 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008277/0.3962, allocations: 7.12 MB / 1.129 GB, free: 7.336 MB / 0.8887 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004395/0.4006, allocations: 2.361 MB / 1.131 GB, free: 4.969 MB / 0.8887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004567/0.4052, allocations: 2.976 MB / 1.134 GB, free: 1.984 MB / 0.8887 GB Notification: Performance of NFPackage.collectConstants: time 0.0007971/0.406, allocations: 0.5234 MB / 1.135 GB, free: 1.461 MB / 0.8887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002364/0.4083, allocations: 1.264 MB / 1.136 GB, free: 200 kB / 0.8887 GB Notification: Performance of NFScalarize.scalarize: time 0.001977/0.4103, allocations: 2.242 MB / 1.138 GB, free: 13.95 MB / 0.9044 GB Notification: Performance of NFVerifyModel.verify: time 0.002373/0.4127, allocations: 2.19 MB / 1.14 GB, free: 11.75 MB / 0.9044 GB Notification: Performance of NFConvertDAE.convert: time 0.008011/0.4207, allocations: 7.779 MB / 1.148 GB, free: 3.949 MB / 0.9044 GB Notification: Performance of FrontEnd - DAE generated: time 5.16e-06/0.4208, allocations: 0 / 1.148 GB, free: 3.949 MB / 0.9044 GB Notification: Performance of FrontEnd: time 2.174e-06/0.4208, allocations: 0 / 1.148 GB, free: 3.949 MB / 0.9044 GB Notification: Performance of Transformations before backend: time 0.0001951/0.421, allocations: 0 / 1.148 GB, free: 3.949 MB / 0.9044 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 0.009078/0.4301, allocations: 3.831 MB / 1.152 GB, free: 60 kB / 0.9044 GB Notification: Performance of prepare preOptimizeDAE: time 4.274e-05/0.4301, allocations: 16.03 kB / 1.152 GB, free: 44 kB / 0.9044 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01288/0.443, allocations: 2.407 MB / 1.154 GB, free: 13.63 MB / 0.92 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005799/0.4489, allocations: 2.19 MB / 1.156 GB, free: 11.39 MB / 0.92 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002371/0.4491, allocations: 267.5 kB / 1.156 GB, free: 11.13 MB / 0.92 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001333/0.4505, allocations: 355.8 kB / 1.157 GB, free: 10.79 MB / 0.92 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01601/0.4665, allocations: 7.163 MB / 1.164 GB, free: 3.523 MB / 0.92 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.624e-05/0.4666, allocations: 7.875 kB / 1.164 GB, free: 3.516 MB / 0.92 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004671/0.4671, allocations: 148 kB / 1.164 GB, free: 3.371 MB / 0.92 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004508/0.4675, allocations: 334.1 kB / 1.164 GB, free: 3.043 MB / 0.92 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01632/0.4838, allocations: 7.051 MB / 1.171 GB, free: 11.98 MB / 0.9356 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 0.03343/0.5173, allocations: 26.54 MB / 1.197 GB, free: 15.25 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00792/0.5253, allocations: 4.984 MB / 1.202 GB, free: 9.961 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005827/0.5311, allocations: 2.616 MB / 1.204 GB, free: 7.324 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002337/0.5314, allocations: 131 kB / 1.204 GB, free: 7.18 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.425e-05/0.5314, allocations: 64.55 kB / 1.205 GB, free: 7.105 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=208): time 3.397e-06/0.5314, allocations: 0 / 1.205 GB, free: 7.105 MB / 0.9669 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 0.1053/0.6368, allocations: 30.98 MB / 1.235 GB, free: 8.035 MB / 0.9981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001143/0.6369, allocations: 243.6 kB / 1.235 GB, free: 7.75 MB / 0.9981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002314/0.6393, allocations: 1.473 MB / 1.236 GB, free: 6.27 MB / 0.9981 GB Notification: Performance of collectPreVariables (initialization): time 0.0005554/0.6398, allocations: 65.7 kB / 1.237 GB, free: 6.199 MB / 0.9981 GB Notification: Performance of collectInitialEqns (initialization): time 0.000956/0.6408, allocations: 1.493 MB / 1.238 GB, free: 4.684 MB / 0.9981 GB Notification: Performance of collectInitialBindings (initialization): time 0.00102/0.6418, allocations: 0.932 MB / 1.239 GB, free: 3.738 MB / 0.9981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001077/0.6429, allocations: 0.628 MB / 1.24 GB, free: 3.102 MB / 0.9981 GB Notification: Performance of setup shared object (initialization): time 0.0001183/0.643, allocations: 305.1 kB / 1.24 GB, free: 2.801 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006005/0.649, allocations: 2.69 MB / 1.242 GB, free: 104 kB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006701/0.6558, allocations: 3.567 MB / 1.246 GB, free: 12.16 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0127/0.6685, allocations: 6.406 MB / 1.252 GB, free: 5.352 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.783e-05/0.6686, allocations: 8 kB / 1.252 GB, free: 5.344 MB / 1.014 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 0.7529/1.421, allocations: 11.02 MB / 1.263 GB, free: 153.4 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 5.67e-05/1.422, allocations: 16.09 kB / 1.263 GB, free: 153.4 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.464e-05/1.422, allocations: 28.47 kB / 1.263 GB, free: 153.4 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02346/1.445, allocations: 5.54 MB / 1.268 GB, free: 153.1 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00471/1.45, allocations: 0.9886 MB / 1.269 GB, free: 153.1 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04295/1.493, allocations: 28.18 MB / 1.297 GB, free: 138.7 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004954/1.498, allocations: 0.5695 MB / 1.297 GB, free: 138.7 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005185/1.498, allocations: 153.8 kB / 1.298 GB, free: 138.7 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00898/1.507, allocations: 3.983 MB / 1.301 GB, free: 136.9 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006162/1.514, allocations: 3.532 MB / 1.305 GB, free: 134.4 MB / 1.014 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0858/1.599, allocations: 24.62 MB / 1.329 GB, free: 117.1 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.932e-05/1.599, allocations: 8 kB / 1.329 GB, free: 117.1 MB / 1.014 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 0.0239/1.623, allocations: 10.52 MB / 1.339 GB, free: 106.5 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 3.597e-05/1.623, allocations: 21.41 kB / 1.339 GB, free: 106.5 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.167e-05/1.623, allocations: 24.56 kB / 1.339 GB, free: 106.4 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0143/1.638, allocations: 4.331 MB / 1.344 GB, free: 102.1 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004564/1.642, allocations: 1.034 MB / 1.345 GB, free: 101.1 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02893/1.671, allocations: 27.14 MB / 1.371 GB, free: 73.27 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004523/1.676, allocations: 0.5574 MB / 1.372 GB, free: 72.71 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004179/1.676, allocations: 156 kB / 1.372 GB, free: 72.56 MB / 1.014 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 0.0009586/1.677, allocations: 396.2 kB / 1.372 GB, free: 72.18 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000548/1.678, allocations: 197.7 kB / 1.372 GB, free: 71.99 MB / 1.014 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 0.02381/1.702, allocations: 10.17 MB / 1.382 GB, free: 61.75 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.349e-05/1.702, allocations: 31.94 kB / 1.382 GB, free: 61.72 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.156e-05/1.702, allocations: 12 kB / 1.382 GB, free: 61.71 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.546e-05/1.702, allocations: 11.95 kB / 1.382 GB, free: 61.7 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 0.03171/1.734, allocations: 16.28 MB / 1.398 GB, free: 45.23 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.418e-05/1.734, allocations: 8.656 kB / 1.398 GB, free: 45.23 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003339/1.737, allocations: 0.726 MB / 1.399 GB, free: 44.5 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01808/1.755, allocations: 5.181 MB / 1.404 GB, free: 39.3 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005712/1.756, allocations: 71.95 kB / 1.404 GB, free: 39.23 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03307/1.789, allocations: 27.24 MB / 1.431 GB, free: 11.52 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.466e-06/1.789, allocations: 19.97 kB / 1.431 GB, free: 11.5 MB / 1.014 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 0.02308/1.812, allocations: 10.1 MB / 1.44 GB, free: 1.152 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001945/1.814, allocations: 0.7317 MB / 1.441 GB, free: 412 kB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004357/1.814, allocations: 59.98 kB / 1.441 GB, free: 352 kB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003507/1.818, allocations: 0.5031 MB / 1.442 GB, free: 15.84 MB / 1.029 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007433/1.819, allocations: 226.3 kB / 1.442 GB, free: 15.62 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002304/1.819, allocations: 91.95 kB / 1.442 GB, free: 15.53 MB / 1.029 GB Notification: Performance of sorting global known variables: time 0.001511/1.82, allocations: 1.005 MB / 1.443 GB, free: 14.52 MB / 1.029 GB Notification: Performance of sort global known variables: time 1.8e-07/1.82, allocations: 0 / 1.443 GB, free: 14.52 MB / 1.029 GB Notification: Performance of remove unused functions: time 0.006219/1.827, allocations: 1.855 MB / 1.445 GB, free: 12.66 MB / 1.029 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 0.0004438/1.827, allocations: 180.9 kB / 1.445 GB, free: 12.48 MB / 1.029 GB Notification: Performance of simCode: created initialization part: time 0.03237/1.859, allocations: 12.44 MB / 1.457 GB, free: 15.95 MB / 1.045 GB Notification: Performance of simCode: created event and clocks part: time 2.07e-05/1.859, allocations: 0 / 1.457 GB, free: 15.95 MB / 1.045 GB Notification: Performance of simCode: created simulation system equations: time 0.01179/1.871, allocations: 4.429 MB / 1.462 GB, free: 11.47 MB / 1.045 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002779/1.874, allocations: 290.1 kB / 1.462 GB, free: 11.2 MB / 1.045 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02553/1.9, allocations: 9.483 MB / 1.471 GB, free: 1.602 MB / 1.045 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003504/1.903, allocations: 2.853 MB / 1.474 GB, free: 14.71 MB / 1.061 GB Notification: Performance of simCode: alias equations: time 0.004543/1.908, allocations: 1.661 MB / 1.475 GB, free: 13.05 MB / 1.061 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006549/1.908, allocations: 171.3 kB / 1.476 GB, free: 12.88 MB / 1.061 GB Notification: Performance of SimCode: time 7.52e-07/1.908, allocations: 4 kB / 1.476 GB, free: 12.88 MB / 1.061 GB Notification: Performance of Templates: time 0.116/2.024, allocations: 79.29 MB / 1.553 GB, free: 13.75 MB / 1.139 GB make -j1 -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)