Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|err_V2.1.|err_V2.2.|err_V2.3.|err_V3.1.|err_V3.2.|err_V3.3.|err_V4.1.|err_V4.2.|err_V4.3.|err_Theta2.1.|err_Theta2.2.|err_Theta2.3.|err_Theta3.1.|err_Theta3.2.|err_Theta3.3.|err_Theta4.1.|err_Theta4.2.|err_Theta4.3.",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.008351/0.00835, allocations: 102.7 kB / 15.73 MB, free: 6.031 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001912/0.001912, allocations: 190.1 kB / 16.67 MB, free: 5.953 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.374/1.374, allocations: 222.9 MB / 240.3 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.599/2.599, allocations: 461.9 MB / 0.7348 GB, free: 11.1 MB / 0.6075 GB Notification: Performance of FrontEnd - loaded program: time 0.001384/0.001384, allocations: 59.91 kB / 1.054 GB, free: 7.613 MB / 0.8262 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.951/0.9524, allocations: 157.4 MB / 1.208 GB, free: 13.61 MB / 0.9356 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02304/0.9754, allocations: 18.28 MB / 1.226 GB, free: 11.27 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.01291/0.9884, allocations: 6.823 MB / 1.232 GB, free: 4.426 MB / 0.9512 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00197/0.9904, allocations: 55.88 kB / 1.232 GB, free: 4.371 MB / 0.9512 GB Notification: Performance of NFTyping.typeComponents: time 0.004253/0.9947, allocations: 1.474 MB / 1.234 GB, free: 2.891 MB / 0.9512 GB Notification: Performance of NFTyping.typeBindings: time 0.004042/0.9987, allocations: 1.428 MB / 1.235 GB, free: 1.457 MB / 0.9512 GB Notification: Performance of NFTyping.typeClassSections: time 0.003525/1.002, allocations: 1.27 MB / 1.236 GB, free: 192 kB / 0.9512 GB Notification: Performance of NFFlatten.flatten: time 0.006558/1.009, allocations: 5.461 MB / 1.242 GB, free: 10.71 MB / 0.9669 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009611/1.018, allocations: 7.112 MB / 1.249 GB, free: 3.492 MB / 0.9669 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004021/1.023, allocations: 2.384 MB / 1.251 GB, free: 1.102 MB / 0.9669 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005171/1.028, allocations: 2.964 MB / 1.254 GB, free: 14.13 MB / 0.9825 GB Notification: Performance of NFPackage.collectConstants: time 0.001401/1.029, allocations: 0.5156 MB / 1.254 GB, free: 13.61 MB / 0.9825 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003058/1.032, allocations: 1.268 MB / 1.256 GB, free: 12.34 MB / 0.9825 GB Notification: Performance of NFScalarize.scalarize: time 0.002944/1.035, allocations: 2.246 MB / 1.258 GB, free: 10.09 MB / 0.9825 GB Notification: Performance of NFVerifyModel.verify: time 0.004028/1.039, allocations: 2.198 MB / 1.26 GB, free: 7.887 MB / 0.9825 GB Notification: Performance of NFConvertDAE.convert: time 0.009522/1.049, allocations: 7.777 MB / 1.268 GB, free: 92 kB / 0.9825 GB Notification: Performance of FrontEnd - DAE generated: time 6.943e-06/1.049, allocations: 0 / 1.268 GB, free: 92 kB / 0.9825 GB Notification: Performance of FrontEnd: time 1.673e-06/1.049, allocations: 4 kB / 1.268 GB, free: 88 kB / 0.9825 GB Notification: Performance of Transformations before backend: time 0.0001943/1.049, allocations: 0 / 1.268 GB, free: 88 kB / 0.9825 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 0.009669/1.059, allocations: 3.823 MB / 1.271 GB, free: 12.2 MB / 0.9981 GB Notification: Performance of prepare preOptimizeDAE: time 4.301e-05/1.059, allocations: 12.03 kB / 1.271 GB, free: 12.19 MB / 0.9981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01358/1.072, allocations: 2.403 MB / 1.274 GB, free: 9.781 MB / 0.9981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006129/1.078, allocations: 2.198 MB / 1.276 GB, free: 7.539 MB / 0.9981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002451/1.079, allocations: 263.5 kB / 1.276 GB, free: 7.281 MB / 0.9981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001151/1.08, allocations: 355.9 kB / 1.276 GB, free: 6.934 MB / 0.9981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01925/1.099, allocations: 7.162 MB / 1.283 GB, free: 15.67 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001232/1.099, allocations: 7.875 kB / 1.283 GB, free: 15.66 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009529/1.1, allocations: 152 kB / 1.284 GB, free: 15.51 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000803/1.101, allocations: 334.1 kB / 1.284 GB, free: 15.18 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02856/1.13, allocations: 7.044 MB / 1.291 GB, free: 8.129 MB / 1.014 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 0.06092/1.191, allocations: 26.55 MB / 1.317 GB, free: 11.39 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01364/1.204, allocations: 4.992 MB / 1.322 GB, free: 6.102 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01052/1.215, allocations: 2.616 MB / 1.324 GB, free: 3.461 MB / 1.045 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004476/1.215, allocations: 127 kB / 1.324 GB, free: 3.32 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.198e-05/1.216, allocations: 60.5 kB / 1.324 GB, free: 3.25 MB / 1.045 GB Notification: Performance of pre-optimization done (n=208): time 7.103e-06/1.216, allocations: 0 / 1.324 GB, free: 3.25 MB / 1.045 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 0.1335/1.349, allocations: 30.96 MB / 1.355 GB, free: 4.195 MB / 1.076 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001293/1.349, allocations: 239.6 kB / 1.355 GB, free: 3.914 MB / 1.076 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002862/1.352, allocations: 1.473 MB / 1.356 GB, free: 2.434 MB / 1.076 GB Notification: Performance of collectPreVariables (initialization): time 0.000692/1.353, allocations: 65.7 kB / 1.356 GB, free: 2.363 MB / 1.076 GB Notification: Performance of collectInitialEqns (initialization): time 0.001085/1.354, allocations: 1.501 MB / 1.358 GB, free: 0.8438 MB / 1.076 GB Notification: Performance of collectInitialBindings (initialization): time 0.001051/1.355, allocations: 0.9204 MB / 1.359 GB, free: 15.91 MB / 1.092 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001153/1.356, allocations: 0.6395 MB / 1.359 GB, free: 15.26 MB / 1.092 GB Notification: Performance of setup shared object (initialization): time 0.0001223/1.356, allocations: 305.1 kB / 1.36 GB, free: 14.96 MB / 1.092 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005982/1.362, allocations: 2.694 MB / 1.362 GB, free: 12.25 MB / 1.092 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006583/1.369, allocations: 3.567 MB / 1.366 GB, free: 8.312 MB / 1.092 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01259/1.381, allocations: 6.395 MB / 1.372 GB, free: 1.52 MB / 1.092 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.798e-05/1.382, allocations: 8 kB / 1.372 GB, free: 1.512 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 matching and sorting (n=410) (initialization): time 0.02868/1.41, allocations: 11.02 MB / 1.383 GB, free: 6.383 MB / 1.107 GB Notification: Performance of prepare postOptimizeDAE: time 4.517e-05/1.41, allocations: 16 kB / 1.383 GB, free: 6.367 MB / 1.107 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.633e-05/1.41, allocations: 32.55 kB / 1.383 GB, free: 6.336 MB / 1.107 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01998/1.43, allocations: 5.54 MB / 1.388 GB, free: 0.7773 MB / 1.107 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004557/1.435, allocations: 0.9944 MB / 1.389 GB, free: 15.78 MB / 1.123 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04244/1.477, allocations: 28.2 MB / 1.417 GB, free: 3.133 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004987/1.482, allocations: 0.573 MB / 1.417 GB, free: 2.559 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005145/1.483, allocations: 152 kB / 1.417 GB, free: 2.41 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008137/1.491, allocations: 3.98 MB / 1.421 GB, free: 14.42 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006524/1.498, allocations: 3.536 MB / 1.425 GB, free: 10.5 MB / 1.154 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09261/1.59, allocations: 24.61 MB / 1.449 GB, free: 1.383 MB / 1.17 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.966e-05/1.59, allocations: 8 kB / 1.449 GB, free: 1.375 MB / 1.17 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 0.02911/1.619, allocations: 10.53 MB / 1.459 GB, free: 6.707 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 4.46e-05/1.62, allocations: 20 kB / 1.459 GB, free: 6.688 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.606e-05/1.62, allocations: 27.94 kB / 1.459 GB, free: 6.66 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01586/1.635, allocations: 4.326 MB / 1.463 GB, free: 2.316 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004951/1.64, allocations: 1.045 MB / 1.464 GB, free: 1.27 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03597/1.676, allocations: 27.12 MB / 1.491 GB, free: 5.406 MB / 1.217 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004967/1.681, allocations: 0.5537 MB / 1.491 GB, free: 4.852 MB / 1.217 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005049/1.682, allocations: 155.9 kB / 1.492 GB, free: 4.699 MB / 1.217 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 0.001074/1.683, allocations: 391.3 kB / 1.492 GB, free: 4.309 MB / 1.217 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005926/1.684, allocations: 197.7 kB / 1.492 GB, free: 4.113 MB / 1.217 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 0.02685/1.711, allocations: 10.17 MB / 1.502 GB, free: 9.875 MB / 1.232 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.765e-05/1.711, allocations: 31.94 kB / 1.502 GB, free: 9.844 MB / 1.232 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.541e-05/1.711, allocations: 12 kB / 1.502 GB, free: 9.832 MB / 1.232 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.958e-05/1.711, allocations: 23.92 kB / 1.502 GB, free: 9.809 MB / 1.232 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 0.0384/1.749, allocations: 16.27 MB / 1.518 GB, free: 9.281 MB / 1.248 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.51e-05/1.749, allocations: 8 kB / 1.518 GB, free: 9.273 MB / 1.248 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00387/1.753, allocations: 0.7334 MB / 1.519 GB, free: 8.539 MB / 1.248 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02014/1.773, allocations: 5.173 MB / 1.524 GB, free: 3.352 MB / 1.248 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007347/1.774, allocations: 75.89 kB / 1.524 GB, free: 3.277 MB / 1.248 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0445/1.819, allocations: 27.25 MB / 1.55 GB, free: 7.527 MB / 1.279 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.119e-05/1.819, allocations: 19.97 kB / 1.55 GB, free: 7.508 MB / 1.279 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 0.7436/2.562, allocations: 10.09 MB / 1.56 GB, free: 324.2 MB / 1.279 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002653/2.565, allocations: 0.7215 MB / 1.561 GB, free: 324.1 MB / 1.279 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000546/2.565, allocations: 54.97 kB / 1.561 GB, free: 324.1 MB / 1.279 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004036/2.569, allocations: 0.512 MB / 1.562 GB, free: 324.1 MB / 1.279 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008719/2.57, allocations: 222.7 kB / 1.562 GB, free: 324.1 MB / 1.279 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002653/2.571, allocations: 92.06 kB / 1.562 GB, free: 324.1 MB / 1.279 GB Notification: Performance of sorting global known variables: time 0.001698/2.572, allocations: 1.004 MB / 1.563 GB, free: 324 MB / 1.279 GB Notification: Performance of sort global known variables: time 3.41e-07/2.572, allocations: 0 / 1.563 GB, free: 324 MB / 1.279 GB Notification: Performance of remove unused functions: time 0.006586/2.579, allocations: 1.856 MB / 1.565 GB, free: 324 MB / 1.279 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 0.0004486/2.579, allocations: 183.7 kB / 1.565 GB, free: 323.9 MB / 1.279 GB Notification: Performance of simCode: created initialization part: time 0.02897/2.608, allocations: 12.46 MB / 1.577 GB, free: 322 MB / 1.279 GB Notification: Performance of simCode: created event and clocks part: time 1.559e-05/2.608, allocations: 3.969 kB / 1.577 GB, free: 322 MB / 1.279 GB Notification: Performance of simCode: created simulation system equations: time 0.01012/2.619, allocations: 4.414 MB / 1.581 GB, free: 320.5 MB / 1.279 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00246/2.621, allocations: 293.7 kB / 1.582 GB, free: 320.3 MB / 1.279 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02176/2.643, allocations: 9.494 MB / 1.591 GB, free: 317.1 MB / 1.279 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002547/2.645, allocations: 2.852 MB / 1.594 GB, free: 315.9 MB / 1.279 GB Notification: Performance of simCode: alias equations: time 0.003939/2.649, allocations: 1.655 MB / 1.595 GB, free: 315.8 MB / 1.279 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006247/2.65, allocations: 177.5 kB / 1.595 GB, free: 315.8 MB / 1.279 GB Notification: Performance of SimCode: time 1.413e-06/2.65, allocations: 0 / 1.595 GB, free: 315.8 MB / 1.279 GB Notification: Performance of Templates: time 0.09639/2.746, allocations: 80.92 MB / 1.674 GB, free: 237.2 MB / 1.279 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)