Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.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 0.001266/0.001267, allocations: 106.2 kB / 16.52 MB, free: 6.27 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001345/0.001345, allocations: 195.2 kB / 17.44 MB, free: 5.887 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.351/1.351, allocations: 222.9 MB / 241.1 MB, free: 15.46 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7207/0.7207, allocations: 115.3 MB / 406.6 MB, free: 6.375 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001449/0.001449, allocations: 64.12 kB / 493.6 MB, free: 0.75 MB / 398.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3519/0.3534, allocations: 76.17 MB / 0.5564 GB, free: 36.27 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01845/0.3719, allocations: 18.12 MB / 0.5741 GB, free: 24.23 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.01117/0.3831, allocations: 6.864 MB / 0.5808 GB, free: 19.6 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002293/0.3854, allocations: 45.81 kB / 0.5809 GB, free: 19.59 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.004064/0.3896, allocations: 1.356 MB / 0.5822 GB, free: 18.81 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.004397/0.394, allocations: 1.333 MB / 0.5835 GB, free: 18.1 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.004084/0.3981, allocations: 1.173 MB / 0.5846 GB, free: 17.43 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.01062/0.4087, allocations: 8.514 MB / 0.5929 GB, free: 13.71 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01271/0.4215, allocations: 7.957 MB / 0.6007 GB, free: 7.172 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003942/0.4255, allocations: 1.978 MB / 0.6026 GB, free: 5.188 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0048/0.4303, allocations: 3.07 MB / 0.6056 GB, free: 2.109 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001633/0.432, allocations: 368 kB / 0.606 GB, free: 1.75 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003694/0.4357, allocations: 1.307 MB / 0.6073 GB, free: 452 kB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.003788/0.4395, allocations: 2.086 MB / 0.6093 GB, free: 14.35 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.005122/0.4447, allocations: 2.022 MB / 0.6113 GB, free: 12.32 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.007845/0.4526, allocations: 6.622 MB / 0.6177 GB, free: 5.68 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.185e-06/0.4526, allocations: 0 / 0.6177 GB, free: 5.68 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.653e-06/0.4526, allocations: 0 / 0.6177 GB, free: 5.68 MB / 462.1 MB Notification: Performance of Transformations before backend: time 0.0002455/0.4529, allocations: 0 / 0.6177 GB, free: 5.68 MB / 462.1 MB 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 0.01106/0.4639, allocations: 3.827 MB / 0.6215 GB, free: 1.793 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.074e-05/0.464, allocations: 11.97 kB / 0.6215 GB, free: 1.781 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01303/0.477, allocations: 2.345 MB / 0.6238 GB, free: 15.43 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005448/0.4825, allocations: 2.159 MB / 0.6259 GB, free: 13.23 MB / 478.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003134/0.4829, allocations: 267.5 kB / 0.6261 GB, free: 12.96 MB / 478.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001733/0.4847, allocations: 355.8 kB / 0.6265 GB, free: 12.62 MB / 478.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01924/0.5039, allocations: 7.124 MB / 0.6334 GB, free: 5.391 MB / 478.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001728/0.5041, allocations: 7.938 kB / 0.6335 GB, free: 5.383 MB / 478.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00146/0.5056, allocations: 152 kB / 0.6336 GB, free: 5.234 MB / 478.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005566/0.5062, allocations: 330.1 kB / 0.6339 GB, free: 4.91 MB / 478.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01824/0.5244, allocations: 7.001 MB / 0.6407 GB, free: 13.89 MB / 494.1 MB 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 0.05262/0.5771, allocations: 26.69 MB / 0.6668 GB, free: 1.027 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01088/0.588, allocations: 4.992 MB / 0.6717 GB, free: 11.72 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006385/0.5945, allocations: 2.592 MB / 0.6742 GB, free: 9.117 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000419/0.5949, allocations: 127 kB / 0.6743 GB, free: 8.977 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.08e-05/0.595, allocations: 68.5 kB / 0.6744 GB, free: 8.898 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=208): time 5.27e-06/0.595, allocations: 0 / 0.6744 GB, free: 8.898 MB / 0.5137 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 0.1127/0.7077, allocations: 30.94 MB / 0.7046 GB, free: 9.867 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001495/0.7079, allocations: 243.6 kB / 0.7049 GB, free: 9.582 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002495/0.7105, allocations: 1.457 MB / 0.7063 GB, free: 8.117 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 0.0005765/0.711, allocations: 65.7 kB / 0.7063 GB, free: 8.047 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.001108/0.7122, allocations: 1.501 MB / 0.7078 GB, free: 6.523 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.001349/0.7135, allocations: 0.9281 MB / 0.7087 GB, free: 5.582 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001765/0.7153, allocations: 0.628 MB / 0.7093 GB, free: 4.945 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.0001159/0.7154, allocations: 305.1 kB / 0.7096 GB, free: 4.645 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006532/0.722, allocations: 2.67 MB / 0.7122 GB, free: 1.965 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007114/0.7291, allocations: 3.552 MB / 0.7157 GB, free: 14.04 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01367/0.7428, allocations: 6.379 MB / 0.7219 GB, free: 7.262 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.599e-05/0.7429, allocations: 12 kB / 0.7219 GB, free: 7.25 MB / 0.5606 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 0.03136/0.7743, allocations: 10.99 MB / 0.7327 GB, free: 12.15 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.819e-05/0.7744, allocations: 23.92 kB / 0.7327 GB, free: 12.12 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.601e-05/0.7744, allocations: 24 kB / 0.7327 GB, free: 12.1 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02175/0.7962, allocations: 5.458 MB / 0.738 GB, free: 6.629 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004524/0.8008, allocations: 0.9827 MB / 0.739 GB, free: 5.645 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3289/1.13, allocations: 25.75 MB / 0.7641 GB, free: 144.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004475/1.134, allocations: 0.5492 MB / 0.7647 GB, free: 144.4 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005296/1.135, allocations: 154.4 kB / 0.7648 GB, free: 144.4 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008261/1.143, allocations: 3.96 MB / 0.7687 GB, free: 143.1 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006307/1.149, allocations: 3.518 MB / 0.7721 GB, free: 141.2 MB / 0.5762 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0824/1.232, allocations: 24.56 MB / 0.7961 GB, free: 132.1 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.713e-05/1.232, allocations: 8 kB / 0.7961 GB, free: 132.1 MB / 0.5762 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 0.0226/1.255, allocations: 10.5 MB / 0.8064 GB, free: 121.6 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.292e-05/1.255, allocations: 19.94 kB / 0.8064 GB, free: 121.5 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.304e-05/1.255, allocations: 27.98 kB / 0.8064 GB, free: 121.5 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01393/1.269, allocations: 4.247 MB / 0.8106 GB, free: 117.2 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004117/1.273, allocations: 1.03 MB / 0.8116 GB, free: 116.2 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02697/1.3, allocations: 24.95 MB / 0.8359 GB, free: 90.71 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004042/1.304, allocations: 0.5301 MB / 0.8365 GB, free: 90.18 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004367/1.304, allocations: 152 kB / 0.8366 GB, free: 90.04 MB / 0.5762 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 0.0009426/1.305, allocations: 398.9 kB / 0.837 GB, free: 89.65 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005664/1.306, allocations: 197.7 kB / 0.8372 GB, free: 89.46 MB / 0.5762 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 0.02311/1.329, allocations: 10.17 MB / 0.8471 GB, free: 79.21 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.168e-05/1.329, allocations: 28 kB / 0.8471 GB, free: 79.19 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.818e-05/1.329, allocations: 12 kB / 0.8471 GB, free: 79.18 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.103e-05/1.329, allocations: 17.92 kB / 0.8472 GB, free: 79.16 MB / 0.5762 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 0.03163/1.361, allocations: 16.29 MB / 0.8631 GB, free: 62.7 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.862e-05/1.361, allocations: 8 kB / 0.8631 GB, free: 62.69 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003144/1.364, allocations: 0.734 MB / 0.8638 GB, free: 61.96 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0176/1.382, allocations: 5.095 MB / 0.8688 GB, free: 56.84 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000576/1.382, allocations: 79.89 kB / 0.8688 GB, free: 56.77 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03109/1.413, allocations: 24.85 MB / 0.8931 GB, free: 31.46 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.803e-06/1.413, allocations: 8.094 kB / 0.8931 GB, free: 31.45 MB / 0.5762 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 0.02255/1.436, allocations: 10.1 MB / 0.903 GB, free: 21.09 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001712/1.438, allocations: 0.7178 MB / 0.9037 GB, free: 20.36 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005518/1.438, allocations: 55.98 kB / 0.9037 GB, free: 20.3 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003282/1.441, allocations: 0.4992 MB / 0.9042 GB, free: 19.8 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007542/1.442, allocations: 226.3 kB / 0.9044 GB, free: 19.58 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002296/1.442, allocations: 92 kB / 0.9045 GB, free: 19.49 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001208/1.444, allocations: 0.9776 MB / 0.9055 GB, free: 18.51 MB / 0.5762 GB Notification: Performance of sort global known variables: time 2.81e-07/1.444, allocations: 8 kB / 0.9055 GB, free: 18.5 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.006122/1.45, allocations: 1.841 MB / 0.9073 GB, free: 16.66 MB / 0.5762 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 0.000425/1.45, allocations: 182 kB / 0.9075 GB, free: 16.48 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.02544/1.476, allocations: 12.37 MB / 0.9195 GB, free: 4.008 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 1.489e-05/1.476, allocations: 0 / 0.9195 GB, free: 4.008 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.009482/1.485, allocations: 4.395 MB / 0.9238 GB, free: 15.57 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003232/1.489, allocations: 283 kB / 0.9241 GB, free: 15.3 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02826/1.517, allocations: 11.7 MB / 0.9355 GB, free: 3.484 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003799/1.521, allocations: 2.916 MB / 0.9384 GB, free: 0.5312 MB / 0.5919 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001287/1.522, allocations: 207.3 kB / 0.9386 GB, free: 336 kB / 0.5919 GB Notification: Performance of SimCode: time 9.12e-07/1.522, allocations: 0 / 0.9386 GB, free: 336 kB / 0.5919 GB Notification: Performance of Templates: time 0.3947/1.917, allocations: 107.4 MB / 1.044 GB, free: 179.9 MB / 0.6387 GB make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.makefile (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)