Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.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_11_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_11_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 0.001281/0.001281, allocations: 98.03 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.01006/0.01006, allocations: 168.9 kB / 16.26 MB, free: 6.656 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.566/1.566, allocations: 223.3 MB / 240.3 MB, free: 5.348 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 3.025/3.025, allocations: 470.6 MB / 0.7442 GB, free: 8.836 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.0003775/0.0003776, allocations: 12.16 kB / 0.9123 GB, free: 34.11 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3907/0.391, allocations: 161.4 MB / 1.07 GB, free: 11.32 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02365/0.4148, allocations: 17.56 MB / 1.087 GB, free: 9.695 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.01367/0.4285, allocations: 6.785 MB / 1.094 GB, free: 2.895 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00229/0.4308, allocations: 43.88 kB / 1.094 GB, free: 2.852 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.001275/0.4321, allocations: 377.3 kB / 1.094 GB, free: 2.48 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.003993/0.4361, allocations: 1.355 MB / 1.095 GB, free: 1.121 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.002894/0.439, allocations: 0.9805 MB / 1.096 GB, free: 144 kB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.01015/0.4492, allocations: 8.518 MB / 1.105 GB, free: 7.605 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01352/0.4628, allocations: 8.333 MB / 1.113 GB, free: 15.18 MB / 0.8731 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003529/0.4663, allocations: 1.662 MB / 1.114 GB, free: 13.51 MB / 0.8731 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004842/0.4712, allocations: 2.648 MB / 1.117 GB, free: 10.85 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.0007863/0.472, allocations: 236 kB / 1.117 GB, free: 10.62 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002733/0.4748, allocations: 1.182 MB / 1.118 GB, free: 9.438 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.002557/0.4773, allocations: 1.894 MB / 1.12 GB, free: 7.539 MB / 0.8731 GB Notification: Performance of NFVerifyModel.verify: time 0.00264/0.48, allocations: 1.805 MB / 1.122 GB, free: 5.719 MB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.00969/0.4897, allocations: 7.418 MB / 1.129 GB, free: 14.28 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 5.26e-06/0.4897, allocations: 0 / 1.129 GB, free: 14.28 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.645e-06/0.4897, allocations: 4 kB / 1.129 GB, free: 14.27 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0002615/0.49, allocations: 0 / 1.129 GB, free: 14.27 MB / 0.8887 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 0.009249/0.4993, allocations: 3.109 MB / 1.132 GB, free: 11.11 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 6.475e-05/0.4993, allocations: 8.031 kB / 1.132 GB, free: 11.1 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01518/0.5145, allocations: 2.423 MB / 1.135 GB, free: 8.668 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004998/0.5196, allocations: 2.167 MB / 1.137 GB, free: 6.457 MB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002574/0.5199, allocations: 267.5 kB / 1.137 GB, free: 6.195 MB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00101/0.5209, allocations: 351.9 kB / 1.137 GB, free: 5.852 MB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01636/0.5373, allocations: 7.155 MB / 1.144 GB, free: 14.6 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.407e-05/0.5374, allocations: 11.88 kB / 1.144 GB, free: 14.59 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000497/0.5379, allocations: 155.9 kB / 1.145 GB, free: 14.43 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005228/0.5384, allocations: 330.1 kB / 1.145 GB, free: 14.11 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01884/0.5573, allocations: 7.055 MB / 1.152 GB, free: 7.039 MB / 0.9044 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 0.0401/0.5974, allocations: 26.78 MB / 1.178 GB, free: 10.08 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009329/0.6067, allocations: 4.992 MB / 1.183 GB, free: 4.781 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00662/0.6134, allocations: 2.596 MB / 1.185 GB, free: 2.164 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003115/0.6137, allocations: 135 kB / 1.185 GB, free: 2.016 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.445e-05/0.6138, allocations: 60.56 kB / 1.186 GB, free: 1.945 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 3.897e-06/0.6138, allocations: 0 / 1.186 GB, free: 1.945 MB / 0.9356 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 0.1168/0.7306, allocations: 31.04 MB / 1.216 GB, free: 2.812 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001732/0.7309, allocations: 235.6 kB / 1.216 GB, free: 2.535 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002493/0.7334, allocations: 1.469 MB / 1.217 GB, free: 1.059 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0005432/0.7339, allocations: 73.7 kB / 1.218 GB, free: 0.9805 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.001195/0.7351, allocations: 1.501 MB / 1.219 GB, free: 15.46 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.001132/0.7363, allocations: 0.9204 MB / 1.22 GB, free: 14.52 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004885/0.7368, allocations: 252.4 kB / 1.22 GB, free: 14.27 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001306/0.7369, allocations: 305.1 kB / 1.22 GB, free: 13.97 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006625/0.7435, allocations: 2.672 MB / 1.223 GB, free: 11.29 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007697/0.7513, allocations: 3.567 MB / 1.227 GB, free: 7.348 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0148/0.7661, allocations: 6.406 MB / 1.233 GB, free: 0.543 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.155e-05/0.7662, allocations: 8 kB / 1.233 GB, free: 0.5352 MB / 0.9825 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 0.03289/0.7991, allocations: 11.1 MB / 1.244 GB, free: 5.328 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 0.0008886/0.8, allocations: 0.8667 MB / 1.244 GB, free: 4.086 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.332e-05/0.8, allocations: 28 kB / 1.245 GB, free: 4.059 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6339/1.434, allocations: 5.952 MB / 1.25 GB, free: 163.8 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00466/1.439, allocations: 0.9931 MB / 1.251 GB, free: 163.8 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04664/1.485, allocations: 25.95 MB / 1.277 GB, free: 153.8 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004965/1.49, allocations: 0.5742 MB / 1.277 GB, free: 153.7 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005968/1.491, allocations: 149.3 kB / 1.277 GB, free: 153.7 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 1.201e-05/1.491, allocations: 7.344 kB / 1.277 GB, free: 153.7 MB / 0.9981 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 0.007333/1.498, allocations: 3.116 MB / 1.28 GB, free: 152.5 MB / 0.9981 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated