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) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001808/0.001808, allocations: 113.5 kB / 17.08 MB, free: 5.988 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002096/0.002096, allocations: 193.2 kB / 20.03 MB, free: 3.059 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.45/1.45, allocations: 222.9 MB / 245.7 MB, free: 4.219 MB / 190.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 3.08/3.08, allocations: 489.3 MB / 0.7687 GB, free: 3.773 MB / 0.6075 GB " [Timeout remaining time 176] Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,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=2500,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") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002/0.002, allocations: 63.91 kB / 1.103 GB, free: 0.6523 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.117/1.119, allocations: 163.8 MB / 1.263 GB, free: 7.98 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02338/1.142, allocations: 18.26 MB / 1.281 GB, free: 11.85 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.01411/1.156, allocations: 6.832 MB / 1.287 GB, free: 7.191 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002874/1.159, allocations: 56.88 kB / 1.287 GB, free: 7.184 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.00467/1.164, allocations: 1.465 MB / 1.289 GB, free: 6.312 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.0054/1.169, allocations: 1.427 MB / 1.29 GB, free: 5.512 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.004583/1.174, allocations: 1.269 MB / 1.291 GB, free: 4.828 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.009773/1.184, allocations: 5.464 MB / 1.297 GB, free: 2.52 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0124/1.196, allocations: 7.132 MB / 1.304 GB, free: 15.7 MB / 1.029 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005639/1.202, allocations: 2.364 MB / 1.306 GB, free: 14.63 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006883/1.209, allocations: 2.964 MB / 1.309 GB, free: 13.39 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.002232/1.211, allocations: 0.5174 MB / 1.309 GB, free: 13.39 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004727/1.216, allocations: 1.268 MB / 1.311 GB, free: 13.11 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.006077/1.222, allocations: 2.248 MB / 1.313 GB, free: 12.25 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.008346/1.23, allocations: 2.192 MB / 1.315 GB, free: 10.83 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.01649/1.247, allocations: 7.796 MB / 1.322 GB, free: 8.414 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 8.957e-06/1.247, allocations: 1.688 kB / 1.323 GB, free: 8.414 MB / 1.029 GB Notification: Performance of FrontEnd: time 2.134e-06/1.247, allocations: 0 / 1.323 GB, free: 8.414 MB / 1.029 GB Notification: Performance of Transformations before backend: time 0.0003742/1.247, allocations: 0 / 1.323 GB, free: 8.414 MB / 1.029 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 0.01837/1.266, allocations: 3.92 MB / 1.326 GB, free: 6.199 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 5.341e-05/1.266, allocations: 12.53 kB / 1.326 GB, free: 6.195 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0159/1.282, allocations: 2.438 MB / 1.329 GB, free: 5.797 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007606/1.289, allocations: 2.19 MB / 1.331 GB, free: 4.426 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005569/1.29, allocations: 275.6 kB / 1.331 GB, free: 4.297 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002799/1.293, allocations: 351 kB / 1.331 GB, free: 4.18 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02611/1.319, allocations: 7.158 MB / 1.338 GB, free: 104 kB / 1.029 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002486/1.319, allocations: 5.344 kB / 1.338 GB, free: 100 kB / 1.029 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002244/1.321, allocations: 151.2 kB / 1.339 GB, free: 15.98 MB / 1.045 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006993/1.322, allocations: 330.5 kB / 1.339 GB, free: 15.89 MB / 1.045 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02198/1.344, allocations: 7.052 MB / 1.346 GB, free: 12.33 MB / 1.045 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 0.05055/1.395, allocations: 26.58 MB / 1.372 GB, free: 5.32 MB / 1.061 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0105/1.405, allocations: 4.998 MB / 1.377 GB, free: 1.055 MB / 1.061 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007125/1.412, allocations: 2.604 MB / 1.379 GB, free: 14.43 MB / 1.076 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004409/1.413, allocations: 135 kB / 1.379 GB, free: 14.27 MB / 1.076 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.433e-05/1.413, allocations: 68.5 kB / 1.379 GB, free: 14.2 MB / 1.076 GB Notification: Performance of pre-optimization done (n=208): time 6.964e-06/1.413, allocations: 0 / 1.379 GB, free: 14.2 MB / 1.076 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 0.1165/1.529, allocations: 31.19 MB / 1.41 GB, free: 14.94 MB / 1.107 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000174/1.53, allocations: 243.6 kB / 1.41 GB, free: 14.65 MB / 1.107 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002633/1.532, allocations: 1.473 MB / 1.412 GB, free: 13.17 MB / 1.107 GB Notification: Performance of collectPreVariables (initialization): time 0.0007342/1.533, allocations: 65.7 kB / 1.412 GB, free: 13.1 MB / 1.107 GB Notification: Performance of collectInitialEqns (initialization): time 0.001248/1.534, allocations: 1.55 MB / 1.413 GB, free: 11.54 MB / 1.107 GB Notification: Performance of collectInitialBindings (initialization): time 0.001463/1.536, allocations: 0.9683 MB / 1.414 GB, free: 10.56 MB / 1.107 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001335/1.537, allocations: 0.636 MB / 1.415 GB, free: 9.914 MB / 1.107 GB Notification: Performance of setup shared object (initialization): time 0.0001393/1.537, allocations: 309 kB / 1.415 GB, free: 9.609 MB / 1.107 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006724/1.544, allocations: 2.69 MB / 1.418 GB, free: 6.91 MB / 1.107 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007852/1.552, allocations: 3.567 MB / 1.421 GB, free: 2.965 MB / 1.107 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01487/1.567, allocations: 6.402 MB / 1.427 GB, free: 12.16 MB / 1.123 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.041e-05/1.567, allocations: 8 kB / 1.427 GB, free: 12.15 MB / 1.123 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 0.0323/1.599, allocations: 11.04 MB / 1.438 GB, free: 1.012 MB / 1.123 GB Notification: Performance of prepare postOptimizeDAE: time 4.979e-05/1.599, allocations: 16 kB / 1.438 GB, free: 0.9961 MB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.071e-05/1.599, allocations: 31.94 kB / 1.438 GB, free: 0.9648 MB / 1.123 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02136/1.621, allocations: 5.536 MB / 1.444 GB, free: 11.41 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004901/1.626, allocations: 0.9944 MB / 1.445 GB, free: 10.42 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0509/1.677, allocations: 28.2 MB / 1.472 GB, free: 13.77 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005392/1.682, allocations: 0.5694 MB / 1.473 GB, free: 13.2 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009547/1.683, allocations: 152.3 kB / 1.473 GB, free: 13.05 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01038/1.693, allocations: 3.988 MB / 1.477 GB, free: 9.051 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008224/1.702, allocations: 3.54 MB / 1.48 GB, free: 5.133 MB / 1.17 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09375/1.795, allocations: 24.61 MB / 1.504 GB, free: 12.01 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.727e-05/1.796, allocations: 15.94 kB / 1.504 GB, free: 12 MB / 1.201 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 0.02912/1.825, allocations: 10.54 MB / 1.514 GB, free: 1.305 MB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 3.833e-05/1.825, allocations: 16 kB / 1.514 GB, free: 1.289 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.672e-05/1.825, allocations: 31.94 kB / 1.514 GB, free: 1.258 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01607/1.841, allocations: 4.322 MB / 1.519 GB, free: 12.92 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005081/1.846, allocations: 1.03 MB / 1.52 GB, free: 11.89 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03954/1.886, allocations: 27.15 MB / 1.546 GB, free: 16 kB / 1.232 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005142/1.891, allocations: 0.5576 MB / 1.547 GB, free: 15.46 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006943/1.891, allocations: 155.9 kB / 1.547 GB, free: 15.3 MB / 1.248 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 0.001054/1.893, allocations: 399.4 kB / 1.547 GB, free: 14.91 MB / 1.248 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007328/1.893, allocations: 214.7 kB / 1.548 GB, free: 14.7 MB / 1.248 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 0.02842/1.922, allocations: 10.17 MB / 1.557 GB, free: 4.449 MB / 1.248 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.034e-05/1.922, allocations: 31.94 kB / 1.557 GB, free: 4.418 MB / 1.248 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.623e-05/1.922, allocations: 12 kB / 1.557 GB, free: 4.406 MB / 1.248 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.227e-05/1.922, allocations: 11.95 kB / 1.557 GB, free: 4.395 MB / 1.248 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 0.03922/1.961, allocations: 16.27 MB / 1.573 GB, free: 3.859 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.287e-05/1.961, allocations: 4 kB / 1.573 GB, free: 3.855 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003649/1.965, allocations: 0.7337 MB / 1.574 GB, free: 3.121 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01964/1.985, allocations: 5.177 MB / 1.579 GB, free: 13.93 MB / 1.279 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007281/1.985, allocations: 75.95 kB / 1.579 GB, free: 13.86 MB / 1.279 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04385/2.029, allocations: 27.26 MB / 1.606 GB, free: 2.098 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.585e-05/2.029, allocations: 15.97 kB / 1.606 GB, free: 2.082 MB / 1.295 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 0.02779/2.057, allocations: 10.12 MB / 1.616 GB, free: 7.715 MB / 1.311 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002212/2.059, allocations: 0.7376 MB / 1.616 GB, free: 6.957 MB / 1.311 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006451/2.06, allocations: 56 kB / 1.617 GB, free: 6.902 MB / 1.311 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003913/2.064, allocations: 0.507 MB / 1.617 GB, free: 6.395 MB / 1.311 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008693/2.065, allocations: 234.3 kB / 1.617 GB, free: 6.164 MB / 1.311 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002814/2.065, allocations: 87.95 kB / 1.617 GB, free: 6.078 MB / 1.311 GB Notification: Performance of sorting global known variables: time 0.001815/2.067, allocations: 1.001 MB / 1.618 GB, free: 5.074 MB / 1.311 GB Notification: Performance of sort global known variables: time 2.71e-07/2.067, allocations: 0 / 1.618 GB, free: 5.074 MB / 1.311 GB Notification: Performance of remove unused functions: time 0.007224/2.074, allocations: 1.856 MB / 1.62 GB, free: 3.219 MB / 1.311 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 0.0004926/2.075, allocations: 182.9 kB / 1.62 GB, free: 3.031 MB / 1.311 GB Notification: Performance of simCode: created initialization part: time 0.03205/2.107, allocations: 12.47 MB / 1.632 GB, free: 6.453 MB / 1.326 GB Notification: Performance of simCode: created event and clocks part: time 1.849e-05/2.107, allocations: 8.375 kB / 1.632 GB, free: 6.445 MB / 1.326 GB Notification: Performance of simCode: created simulation system equations: time 0.01185/2.119, allocations: 4.433 MB / 1.637 GB, free: 1.973 MB / 1.326 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00281/2.121, allocations: 281.8 kB / 1.637 GB, free: 1.703 MB / 1.326 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0293/2.151, allocations: 10.17 MB / 1.647 GB, free: 7.391 MB / 1.342 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003934/2.155, allocations: 2.912 MB / 1.65 GB, free: 4.445 MB / 1.342 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001314/2.156, allocations: 215.3 kB / 1.65 GB, free: 4.234 MB / 1.342 GB Notification: Performance of SimCode: time 6.72e-07/2.156, allocations: 0 / 1.65 GB, free: 4.234 MB / 1.342 GB Notification: Performance of Templates: time 0.148/2.304, allocations: 108.1 MB / 1.756 GB, free: 8.133 MB / 1.451 GB " [Timeout remaining time 298] make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile [Timeout 300] (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=800 -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1) [Timeout 800] [Calling os._exit(0), Time elapsed: 18.75999551289715] Failed to read output from testmodel.py, exit status != 0: 2.3118154369294643 2.325138231 1.075605961 Calling exit ...