Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.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_9_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_9_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 0.001029/0.001029, allocations: 91.84 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.008556/0.008557, allocations: 170 kB / 16.26 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.454/1.454, allocations: 223.3 MB / 240.3 MB, free: 5.352 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.445/2.445, allocations: 390.9 MB / 0.6663 GB, free: 2.363 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.0004026/0.0004028, allocations: 8 kB / 0.816 GB, free: 13.21 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8285/0.8289, allocations: 142.4 MB / 0.9551 GB, free: 7.754 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01847/0.8475, allocations: 17.56 MB / 0.9722 GB, free: 10.42 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.01277/0.8603, allocations: 6.794 MB / 0.9789 GB, free: 5.094 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002726/0.8631, allocations: 44.47 kB / 0.9789 GB, free: 5.086 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.001543/0.8646, allocations: 375.1 kB / 0.9793 GB, free: 4.77 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.004105/0.8687, allocations: 1.355 MB / 0.9806 GB, free: 3.711 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.003293/0.8721, allocations: 0.9836 MB / 0.9815 GB, free: 2.953 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.0123/0.8844, allocations: 8.514 MB / 0.9899 GB, free: 11.64 MB / 0.7481 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01375/0.8982, allocations: 8.352 MB / 0.998 GB, free: 3.199 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003621/0.9018, allocations: 1.658 MB / 0.9996 GB, free: 1.535 MB / 0.7481 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005143/0.907, allocations: 2.652 MB / 1.002 GB, free: 14.88 MB / 0.7637 GB Notification: Performance of NFPackage.collectConstants: time 0.001148/0.9082, allocations: 236 kB / 1.002 GB, free: 14.64 MB / 0.7637 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003094/0.9113, allocations: 1.178 MB / 1.004 GB, free: 13.46 MB / 0.7637 GB Notification: Performance of NFScalarize.scalarize: time 0.002832/0.9141, allocations: 1.887 MB / 1.005 GB, free: 11.57 MB / 0.7637 GB Notification: Performance of NFVerifyModel.verify: time 0.003358/0.9175, allocations: 1.798 MB / 1.007 GB, free: 9.762 MB / 0.7637 GB Notification: Performance of NFConvertDAE.convert: time 0.009165/0.9267, allocations: 7.435 MB / 1.014 GB, free: 2.305 MB / 0.7637 GB Notification: Performance of FrontEnd - DAE generated: time 6.342e-06/0.9267, allocations: 3.984 kB / 1.014 GB, free: 2.301 MB / 0.7637 GB Notification: Performance of FrontEnd: time 2.755e-06/0.9267, allocations: 0 / 1.014 GB, free: 2.301 MB / 0.7637 GB Notification: Performance of Transformations before backend: time 0.0002072/0.927, allocations: 0 / 1.014 GB, free: 2.301 MB / 0.7637 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 0.007729/0.9347, allocations: 3.099 MB / 1.017 GB, free: 15.14 MB / 0.7794 GB Notification: Performance of prepare preOptimizeDAE: time 4.444e-05/0.9347, allocations: 8.031 kB / 1.017 GB, free: 15.14 MB / 0.7794 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01418/0.9489, allocations: 2.423 MB / 1.02 GB, free: 12.71 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005755/0.9547, allocations: 2.167 MB / 1.022 GB, free: 10.5 MB / 0.7794 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002519/0.955, allocations: 263.5 kB / 1.022 GB, free: 10.24 MB / 0.7794 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001277/0.9563, allocations: 355.9 kB / 1.023 GB, free: 9.891 MB / 0.7794 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01689/0.9732, allocations: 7.159 MB / 1.03 GB, free: 2.633 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.759e-05/0.9733, allocations: 7.938 kB / 1.03 GB, free: 2.625 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005341/0.9739, allocations: 148 kB / 1.03 GB, free: 2.48 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000504/0.9744, allocations: 342 kB / 1.03 GB, free: 2.145 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01755/0.992, allocations: 7.051 MB / 1.037 GB, free: 11.08 MB / 0.795 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 0.04473/1.037, allocations: 26.8 MB / 1.063 GB, free: 14.1 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009102/1.046, allocations: 4.992 MB / 1.068 GB, free: 8.797 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006309/1.052, allocations: 2.593 MB / 1.07 GB, free: 6.184 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003447/1.053, allocations: 131 kB / 1.071 GB, free: 6.039 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.064e-05/1.053, allocations: 64.5 kB / 1.071 GB, free: 5.965 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=208): time 4.869e-06/1.053, allocations: 0 / 1.071 GB, free: 5.965 MB / 0.8262 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 0.1076/1.16, allocations: 31.03 MB / 1.101 GB, free: 6.852 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001219/1.16, allocations: 235.6 kB / 1.101 GB, free: 6.574 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002285/1.163, allocations: 1.473 MB / 1.103 GB, free: 5.094 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.0005494/1.163, allocations: 69.7 kB / 1.103 GB, free: 5.02 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009562/1.164, allocations: 1.501 MB / 1.104 GB, free: 3.496 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.001073/1.165, allocations: 0.9203 MB / 1.105 GB, free: 2.562 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004538/1.166, allocations: 256.4 kB / 1.105 GB, free: 2.305 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 9.598e-05/1.166, allocations: 305.1 kB / 1.106 GB, free: 2.004 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006411/1.172, allocations: 2.676 MB / 1.108 GB, free: 15.32 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007054/1.179, allocations: 3.567 MB / 1.112 GB, free: 11.38 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0135/1.193, allocations: 6.402 MB / 1.118 GB, free: 4.578 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.318e-05/1.193, allocations: 8 kB / 1.118 GB, free: 4.57 MB / 0.8731 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 0.02984/1.223, allocations: 11.09 MB / 1.129 GB, free: 9.371 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 0.0006466/1.223, allocations: 0.876 MB / 1.13 GB, free: 8.121 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.759e-05/1.224, allocations: 24.19 kB / 1.13 GB, free: 8.098 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02337/1.247, allocations: 5.957 MB / 1.135 GB, free: 2.125 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004653/1.252, allocations: 0.9945 MB / 1.136 GB, free: 1.129 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04235/1.294, allocations: 25.93 MB / 1.162 GB, free: 6.758 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004946/1.299, allocations: 0.5731 MB / 1.162 GB, free: 6.184 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004538/1.299, allocations: 159.9 kB / 1.163 GB, free: 6.027 MB / 0.92 GB Notification: Performance of prepare postOptimizeDAE: time 9.678e-06/1.299, allocations: 4 kB / 1.163 GB, free: 6.023 MB / 0.92 GB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.007558/1.307, allocations: 3.118 MB / 1.166 GB, free: 2.879 MB / 0.92 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated