Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 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.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_latest_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_latest_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 0.001448/0.001448, allocations: 106 kB / 16.27 MB, free: 5.992 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001384/0.001384, allocations: 192.5 kB / 17.2 MB, free: 5.602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.321/1.321, allocations: 222.9 MB / 240.9 MB, free: 15.28 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.614/2.614, allocations: 482.4 MB / 0.7553 GB, free: 7.004 MB / 0.6231 GB Notification: Performance of FrontEnd - loaded program: time 0.002463/0.002463, allocations: 63.58 kB / 0.9245 GB, free: 15.96 MB / 0.7012 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.711/0.7135, allocations: 162.2 MB / 1.083 GB, free: 1.68 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02283/0.7364, allocations: 18.18 MB / 1.101 GB, free: 5.57 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.01256/0.749, allocations: 6.804 MB / 1.107 GB, free: 0.9375 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001886/0.7509, allocations: 55.78 kB / 1.107 GB, free: 0.9297 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.003913/0.7549, allocations: 1.455 MB / 1.109 GB, free: 68 kB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.004096/0.759, allocations: 1.422 MB / 1.11 GB, free: 15.27 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.00358/0.7626, allocations: 1.259 MB / 1.111 GB, free: 14.59 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.006795/0.7694, allocations: 5.456 MB / 1.117 GB, free: 12.29 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009334/0.7787, allocations: 7.184 MB / 1.124 GB, free: 9.473 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004647/0.7834, allocations: 2.344 MB / 1.126 GB, free: 8.414 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005236/0.7887, allocations: 2.955 MB / 1.129 GB, free: 7.18 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.001336/0.7901, allocations: 0.5107 MB / 1.129 GB, free: 7.18 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003283/0.7933, allocations: 1.256 MB / 1.131 GB, free: 6.906 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.003329/0.7967, allocations: 2.241 MB / 1.133 GB, free: 5.598 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.004984/0.8017, allocations: 2.174 MB / 1.135 GB, free: 4.055 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.01038/0.8121, allocations: 7.679 MB / 1.142 GB, free: 14.52 MB / 0.8731 GB Notification: Performance of FrontEnd - DAE generated: time 6.062e-06/0.8121, allocations: 0 / 1.142 GB, free: 14.52 MB / 0.8731 GB Notification: Performance of FrontEnd: time 1.804e-06/0.8121, allocations: 1.344 kB / 1.142 GB, free: 14.52 MB / 0.8731 GB Notification: Performance of Transformations before backend: time 0.0001786/0.8123, allocations: 0 / 1.142 GB, free: 14.52 MB / 0.8731 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 0.01244/0.8248, allocations: 3.784 MB / 1.146 GB, free: 11.98 MB / 0.8731 GB Notification: Performance of prepare preOptimizeDAE: time 4.016e-05/0.8248, allocations: 12.89 kB / 1.146 GB, free: 11.98 MB / 0.8731 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01355/0.8384, allocations: 2.404 MB / 1.149 GB, free: 10.83 MB / 0.8731 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005496/0.8439, allocations: 2.148 MB / 1.151 GB, free: 9.375 MB / 0.8731 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002445/0.8442, allocations: 271.4 kB / 1.151 GB, free: 9.109 MB / 0.8731 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001226/0.8454, allocations: 347.8 kB / 1.151 GB, free: 8.77 MB / 0.8731 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01776/0.8632, allocations: 7.134 MB / 1.158 GB, free: 1.535 MB / 0.8731 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001184/0.8634, allocations: 0 / 1.158 GB, free: 1.535 MB / 0.8731 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001339/0.8647, allocations: 152 kB / 1.158 GB, free: 1.387 MB / 0.8731 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005689/0.8653, allocations: 334 kB / 1.159 GB, free: 1.059 MB / 0.8731 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01681/0.8821, allocations: 7.032 MB / 1.166 GB, free: 10.01 MB / 0.8887 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 0.03865/0.9208, allocations: 26.61 MB / 1.192 GB, free: 13.23 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00894/0.9298, allocations: 4.988 MB / 1.196 GB, free: 7.93 MB / 0.92 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00619/0.936, allocations: 2.608 MB / 1.199 GB, free: 5.305 MB / 0.92 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003093/0.9363, allocations: 131 kB / 1.199 GB, free: 5.16 MB / 0.92 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.971e-05/0.9364, allocations: 60.45 kB / 1.199 GB, free: 5.09 MB / 0.92 GB Notification: Performance of pre-optimization done (n=208): time 4.368e-06/0.9364, allocations: 0 / 1.199 GB, free: 5.09 MB / 0.92 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 0.107/1.043, allocations: 30.9 MB / 1.229 GB, free: 6.098 MB / 0.9512 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001471/1.044, allocations: 239.6 kB / 1.23 GB, free: 5.816 MB / 0.9512 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002217/1.046, allocations: 1.431 MB / 1.231 GB, free: 4.375 MB / 0.9512 GB Notification: Performance of collectPreVariables (initialization): time 0.0004595/1.046, allocations: 65.7 kB / 1.231 GB, free: 4.305 MB / 0.9512 GB Notification: Performance of collectInitialEqns (initialization): time 0.001094/1.047, allocations: 1.489 MB / 1.232 GB, free: 2.793 MB / 0.9512 GB Notification: Performance of collectInitialBindings (initialization): time 0.001114/1.049, allocations: 0.9203 MB / 1.233 GB, free: 1.859 MB / 0.9512 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001196/1.05, allocations: 0.6318 MB / 1.234 GB, free: 1.219 MB / 0.9512 GB Notification: Performance of setup shared object (initialization): time 0.0001225/1.05, allocations: 301.1 kB / 1.234 GB, free: 0.9219 MB / 0.9512 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006066/1.056, allocations: 2.694 MB / 1.237 GB, free: 14.22 MB / 0.9669 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006835/1.063, allocations: 3.575 MB / 1.24 GB, free: 10.26 MB / 0.9669 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01298/1.076, allocations: 6.395 MB / 1.247 GB, free: 3.469 MB / 0.9669 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.428e-05/1.076, allocations: 8 kB / 1.247 GB, free: 3.461 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=410) (initialization): time 0.02899/1.105, allocations: 11.03 MB / 1.257 GB, free: 8.324 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 3.728e-05/1.105, allocations: 16 kB / 1.257 GB, free: 8.309 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.444e-05/1.105, allocations: 28 kB / 1.257 GB, free: 8.281 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02001/1.125, allocations: 5.564 MB / 1.263 GB, free: 2.699 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00441/1.129, allocations: 0.9913 MB / 1.264 GB, free: 1.707 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04519/1.175, allocations: 28.19 MB / 1.291 GB, free: 5.062 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004633/1.179, allocations: 0.573 MB / 1.292 GB, free: 4.488 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005624/1.18, allocations: 151.9 kB / 1.292 GB, free: 4.34 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008498/1.188, allocations: 3.988 MB / 1.296 GB, free: 352 kB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007012/1.195, allocations: 3.536 MB / 1.299 GB, free: 12.43 MB / 1.029 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08974/1.285, allocations: 24.67 MB / 1.324 GB, free: 3.246 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.805e-05/1.285, allocations: 8 kB / 1.324 GB, free: 3.238 MB / 1.045 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 0.02701/1.312, allocations: 10.53 MB / 1.334 GB, free: 8.562 MB / 1.061 GB Notification: Performance of prepare postOptimizeDAE: time 3.117e-05/1.312, allocations: 16 kB / 1.334 GB, free: 8.547 MB / 1.061 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.643e-05/1.312, allocations: 28 kB / 1.334 GB, free: 8.52 MB / 1.061 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01527/1.328, allocations: 4.344 MB / 1.338 GB, free: 4.16 MB / 1.061 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00464/1.332, allocations: 1.041 MB / 1.339 GB, free: 3.117 MB / 1.061 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03784/1.37, allocations: 27.11 MB / 1.366 GB, free: 7.281 MB / 1.092 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004538/1.375, allocations: 0.5575 MB / 1.366 GB, free: 6.723 MB / 1.092 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005307/1.375, allocations: 151.9 kB / 1.366 GB, free: 6.574 MB / 1.092 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 0.001079/1.376, allocations: 391.3 kB / 1.367 GB, free: 6.184 MB / 1.092 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006922/1.377, allocations: 213.6 kB / 1.367 GB, free: 5.973 MB / 1.092 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 0.02701/1.404, allocations: 10.16 MB / 1.377 GB, free: 11.73 MB / 1.107 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.639e-05/1.404, allocations: 31.94 kB / 1.377 GB, free: 11.7 MB / 1.107 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.099e-05/1.404, allocations: 12 kB / 1.377 GB, free: 11.68 MB / 1.107 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.456e-05/1.404, allocations: 15.94 kB / 1.377 GB, free: 11.67 MB / 1.107 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 0.03705/1.441, allocations: 16.3 MB / 1.393 GB, free: 11.13 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.46e-05/1.441, allocations: 8 kB / 1.393 GB, free: 11.12 MB / 1.123 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003414/1.445, allocations: 0.7377 MB / 1.393 GB, free: 10.38 MB / 1.123 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01861/1.463, allocations: 5.197 MB / 1.399 GB, free: 5.172 MB / 1.123 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005674/1.464, allocations: 79.89 kB / 1.399 GB, free: 5.094 MB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04183/1.506, allocations: 27.26 MB / 1.425 GB, free: 9.332 MB / 1.154 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.159e-05/1.506, allocations: 16.03 kB / 1.425 GB, free: 9.316 MB / 1.154 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 0.02586/1.532, allocations: 10.09 MB / 1.435 GB, free: 14.97 MB / 1.17 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001782/1.534, allocations: 0.7171 MB / 1.436 GB, free: 14.23 MB / 1.17 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000466/1.534, allocations: 56 kB / 1.436 GB, free: 14.18 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003534/1.538, allocations: 0.507 MB / 1.436 GB, free: 13.67 MB / 1.17 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000691/1.538, allocations: 226.3 kB / 1.437 GB, free: 13.45 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002279/1.538, allocations: 95.95 kB / 1.437 GB, free: 13.35 MB / 1.17 GB Notification: Performance of sorting global known variables: time 0.001506/1.54, allocations: 0.9723 MB / 1.438 GB, free: 12.38 MB / 1.17 GB Notification: Performance of sort global known variables: time 2.71e-07/1.54, allocations: 0 / 1.438 GB, free: 12.38 MB / 1.17 GB Notification: Performance of remove unused functions: time 0.005757/1.546, allocations: 1.844 MB / 1.439 GB, free: 10.53 MB / 1.17 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 0.0003754/1.546, allocations: 178.8 kB / 1.44 GB, free: 10.34 MB / 1.17 GB Notification: Performance of simCode: created initialization part: time 0.03245/1.579, allocations: 14.39 MB / 1.454 GB, free: 11.85 MB / 1.186 GB Notification: Performance of simCode: created event and clocks part: time 9.187e-06/1.579, allocations: 0 / 1.454 GB, free: 11.85 MB / 1.186 GB Notification: Performance of simCode: created simulation system equations: time 0.0107/1.589, allocations: 4.418 MB / 1.458 GB, free: 7.379 MB / 1.186 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002046/1.591, allocations: 275.2 kB / 1.458 GB, free: 7.121 MB / 1.186 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02114/1.613, allocations: 9.588 MB / 1.468 GB, free: 13.41 MB / 1.201 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003278/1.616, allocations: 2.903 MB / 1.47 GB, free: 10.47 MB / 1.201 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001077/1.617, allocations: 211.3 kB / 1.471 GB, free: 10.27 MB / 1.201 GB Notification: Performance of SimCode: time 6.81e-07/1.617, allocations: 0 / 1.471 GB, free: 10.27 MB / 1.201 GB Notification: Performance of Templates: time 0.553/2.17, allocations: 107 MB / 1.575 GB, free: 405.3 MB / 1.264 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1)