Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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_11_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_11_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 0.001523/0.001523, allocations: 106.8 kB / 15.99 MB, free: 6.352 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001521/0.001521, allocations: 189.2 kB / 16.91 MB, free: 6.184 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.356/1.356, allocations: 222.9 MB / 240.6 MB, free: 15.45 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.551/2.551, allocations: 469.8 MB / 0.7427 GB, free: 3.621 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001823/0.001823, allocations: 66.66 kB / 0.9088 GB, free: 14.21 MB / 0.6856 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2904/0.2923, allocations: 159.1 MB / 1.064 GB, free: 15.08 MB / 0.8419 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.4283/0.7206, allocations: 18.05 MB / 1.082 GB, free: 12.76 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.008391/0.729, allocations: 6.758 MB / 1.088 GB, free: 11.82 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001043/0.7301, allocations: 44.53 kB / 1.088 GB, free: 11.81 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.002868/0.733, allocations: 1.35 MB / 1.09 GB, free: 11.04 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.003654/0.7367, allocations: 1.314 MB / 1.091 GB, free: 10.32 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.003198/0.7399, allocations: 1.168 MB / 1.092 GB, free: 9.66 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.006202/0.7462, allocations: 5.463 MB / 1.098 GB, free: 7.352 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01144/0.7576, allocations: 8.479 MB / 1.106 GB, free: 3.797 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003564/0.7612, allocations: 2.362 MB / 1.108 GB, free: 2.719 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004097/0.7653, allocations: 3.13 MB / 1.111 GB, free: 1.48 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.0009199/0.7662, allocations: 0.5115 MB / 1.112 GB, free: 1.48 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00248/0.7687, allocations: 1.256 MB / 1.113 GB, free: 1.207 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.002387/0.7711, allocations: 2.241 MB / 1.115 GB, free: 368 kB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.00323/0.7744, allocations: 2.173 MB / 1.117 GB, free: 14.95 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.008366/0.7827, allocations: 6.622 MB / 1.124 GB, free: 13.28 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 6.042e-06/0.7828, allocations: 0 / 1.124 GB, free: 13.28 MB / 0.8575 GB Notification: Performance of FrontEnd: time 1.923e-06/0.7828, allocations: 1.531 kB / 1.124 GB, free: 13.28 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 0.000193/0.783, allocations: 0 / 1.124 GB, free: 13.28 MB / 0.8575 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 0.01016/0.7932, allocations: 3.788 MB / 1.127 GB, free: 11.18 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 3.786e-05/0.7932, allocations: 9.5 kB / 1.127 GB, free: 11.18 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0125/0.8057, allocations: 2.401 MB / 1.13 GB, free: 10.85 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005362/0.8111, allocations: 2.16 MB / 1.132 GB, free: 9.496 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002798/0.8114, allocations: 261.6 kB / 1.132 GB, free: 9.379 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001533/0.8129, allocations: 351.8 kB / 1.132 GB, free: 9.258 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01803/0.831, allocations: 7.126 MB / 1.139 GB, free: 5.195 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.468e-05/0.8311, allocations: 2.25 kB / 1.139 GB, free: 5.195 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006998/0.8318, allocations: 148 kB / 1.14 GB, free: 5.082 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004983/0.8323, allocations: 339.5 kB / 1.14 GB, free: 4.98 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01693/0.8493, allocations: 7.031 MB / 1.147 GB, free: 1.43 MB / 0.8575 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 0.03722/0.8865, allocations: 26.61 MB / 1.173 GB, free: 8.492 MB / 0.8887 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008448/0.895, allocations: 4.999 MB / 1.178 GB, free: 3.184 MB / 0.8887 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005837/0.9009, allocations: 2.596 MB / 1.18 GB, free: 0.5742 MB / 0.8887 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002418/0.9011, allocations: 131 kB / 1.18 GB, free: 440 kB / 0.8887 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.697e-05/0.9012, allocations: 64.48 kB / 1.18 GB, free: 364 kB / 0.8887 GB Notification: Performance of pre-optimization done (n=208): time 3.777e-06/0.9012, allocations: 0 / 1.18 GB, free: 364 kB / 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=271): time 0.1065/1.008, allocations: 30.9 MB / 1.21 GB, free: 1.367 MB / 0.92 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001708/1.008, allocations: 243.6 kB / 1.211 GB, free: 1.082 MB / 0.92 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002838/1.011, allocations: 1.427 MB / 1.212 GB, free: 15.64 MB / 0.9356 GB Notification: Performance of collectPreVariables (initialization): time 0.0006062/1.011, allocations: 69.7 kB / 1.212 GB, free: 15.57 MB / 0.9356 GB Notification: Performance of collectInitialEqns (initialization): time 0.001176/1.013, allocations: 1.485 MB / 1.214 GB, free: 14.06 MB / 0.9356 GB Notification: Performance of collectInitialBindings (initialization): time 0.001333/1.014, allocations: 0.9165 MB / 1.215 GB, free: 13.13 MB / 0.9356 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001594/1.015, allocations: 0.6357 MB / 1.215 GB, free: 12.49 MB / 0.9356 GB Notification: Performance of setup shared object (initialization): time 0.0001152/1.016, allocations: 301.1 kB / 1.215 GB, free: 12.19 MB / 0.9356 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006167/1.022, allocations: 2.69 MB / 1.218 GB, free: 9.492 MB / 0.9356 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006968/1.029, allocations: 3.571 MB / 1.222 GB, free: 5.547 MB / 0.9356 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0131/1.042, allocations: 6.395 MB / 1.228 GB, free: 14.75 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.53e-05/1.042, allocations: 8 kB / 1.228 GB, free: 14.75 MB / 0.9512 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 0.02936/1.071, allocations: 11.03 MB / 1.239 GB, free: 3.605 MB / 0.9512 GB Notification: Performance of prepare postOptimizeDAE: time 4.161e-05/1.071, allocations: 16 kB / 1.239 GB, free: 3.59 MB / 0.9512 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.883e-05/1.071, allocations: 32.92 kB / 1.239 GB, free: 3.559 MB / 0.9512 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02049/1.092, allocations: 5.56 MB / 1.244 GB, free: 13.98 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004318/1.096, allocations: 0.9945 MB / 1.245 GB, free: 12.98 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04469/1.141, allocations: 28.2 MB / 1.273 GB, free: 340 kB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004566/1.146, allocations: 0.577 MB / 1.273 GB, free: 15.75 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006177/1.146, allocations: 151.9 kB / 1.273 GB, free: 15.61 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008593/1.155, allocations: 3.984 MB / 1.277 GB, free: 11.61 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006747/1.162, allocations: 3.532 MB / 1.281 GB, free: 7.699 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0896/1.251, allocations: 24.68 MB / 1.305 GB, free: 14.51 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.242e-05/1.251, allocations: 11.98 kB / 1.305 GB, free: 14.5 MB / 1.029 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 0.02827/1.28, allocations: 10.54 MB / 1.315 GB, free: 3.82 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 3.832e-05/1.28, allocations: 18.34 kB / 1.315 GB, free: 3.805 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.056e-05/1.28, allocations: 28 kB / 1.315 GB, free: 3.777 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01559/1.295, allocations: 4.336 MB / 1.319 GB, free: 15.41 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004687/1.3, allocations: 1.041 MB / 1.32 GB, free: 14.37 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03995/1.34, allocations: 27.13 MB / 1.347 GB, free: 2.52 MB / 1.061 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00465/1.345, allocations: 0.5498 MB / 1.347 GB, free: 1.969 MB / 1.061 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006689/1.345, allocations: 155.9 kB / 1.347 GB, free: 1.816 MB / 1.061 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 0.001237/1.347, allocations: 387.4 kB / 1.348 GB, free: 1.43 MB / 1.061 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006992/1.347, allocations: 197.7 kB / 1.348 GB, free: 1.234 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 postOpt wrapFunctionCalls (simulation): time 0.02796/1.375, allocations: 10.17 MB / 1.358 GB, free: 6.98 MB / 1.076 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.676e-05/1.375, allocations: 32 kB / 1.358 GB, free: 6.949 MB / 1.076 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.343e-05/1.375, allocations: 12 kB / 1.358 GB, free: 6.938 MB / 1.076 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.222e-05/1.375, allocations: 16.33 kB / 1.358 GB, free: 6.922 MB / 1.076 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 0.0358/1.411, allocations: 16.3 MB / 1.374 GB, free: 6.395 MB / 1.092 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.697e-05/1.411, allocations: 8 kB / 1.374 GB, free: 6.387 MB / 1.092 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003367/1.415, allocations: 0.7336 MB / 1.375 GB, free: 5.652 MB / 1.092 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01862/1.433, allocations: 5.204 MB / 1.38 GB, free: 436 kB / 1.092 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005591/1.434, allocations: 71.95 kB / 1.38 GB, free: 364 kB / 1.092 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04183/1.476, allocations: 27.27 MB / 1.406 GB, free: 4.586 MB / 1.123 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.618e-06/1.476, allocations: 8 kB / 1.406 GB, free: 4.578 MB / 1.123 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 0.02586/1.502, allocations: 10.09 MB / 1.416 GB, free: 10.24 MB / 1.139 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00171/1.503, allocations: 0.7172 MB / 1.417 GB, free: 9.5 MB / 1.139 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004415/1.504, allocations: 55.98 kB / 1.417 GB, free: 9.445 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003304/1.507, allocations: 0.507 MB / 1.418 GB, free: 8.938 MB / 1.139 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007147/1.508, allocations: 226.4 kB / 1.418 GB, free: 8.715 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002547/1.508, allocations: 99.92 kB / 1.418 GB, free: 8.617 MB / 1.139 GB Notification: Performance of sorting global known variables: time 0.001498/1.51, allocations: 0.9723 MB / 1.419 GB, free: 7.641 MB / 1.139 GB Notification: Performance of sort global known variables: time 1.41e-07/1.51, allocations: 0 / 1.419 GB, free: 7.641 MB / 1.139 GB Notification: Performance of remove unused functions: time 0.005834/1.515, allocations: 1.848 MB / 1.421 GB, free: 5.793 MB / 1.139 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 0.0004301/1.516, allocations: 178.9 kB / 1.421 GB, free: 5.609 MB / 1.139 GB Notification: Performance of simCode: created initialization part: time 0.03275/1.549, allocations: 14.4 MB / 1.435 GB, free: 7.105 MB / 1.154 GB Notification: Performance of simCode: created event and clocks part: time 1.152e-05/1.549, allocations: 4 kB / 1.435 GB, free: 7.102 MB / 1.154 GB Notification: Performance of simCode: created simulation system equations: time 0.01053/1.559, allocations: 4.411 MB / 1.439 GB, free: 2.637 MB / 1.154 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002065/1.561, allocations: 272.4 kB / 1.439 GB, free: 2.379 MB / 1.154 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02265/1.584, allocations: 11.14 MB / 1.45 GB, free: 7.105 MB / 1.17 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003494/1.587, allocations: 2.907 MB / 1.453 GB, free: 4.168 MB / 1.17 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001137/1.589, allocations: 207.3 kB / 1.453 GB, free: 3.965 MB / 1.17 GB Notification: Performance of SimCode: time 4.51e-07/1.589, allocations: 0 / 1.453 GB, free: 3.965 MB / 1.17 GB Notification: Performance of Templates: time 0.5451/2.134, allocations: 107 MB / 1.558 GB, free: 416.2 MB / 1.264 GB make -j1 -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)