Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_8_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_8_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.653/2.653, allocations: 287.5 MB / 302.4 MB, free: 8.355 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001401/0.001401, allocations: 174.1 kB / 371 MB, free: 10.84 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.104/2.104, allocations: 205.4 MB / 0.6297 GB, free: 10.57 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009221/0.0009218, allocations: 92.17 kB / 0.743 GB, free: 6.566 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004934/0.0004936, allocations: 16.14 kB / 0.8659 GB, free: 140.9 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2136/0.2141, allocations: 115.3 MB / 0.9785 GB, free: 28.2 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02368/0.2379, allocations: 16.54 MB / 0.9946 GB, free: 11.61 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.01316/0.2511, allocations: 6.485 MB / 1.001 GB, free: 5.105 MB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001893/0.2531, allocations: 43.88 kB / 1.001 GB, free: 5.062 MB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.001504/0.2546, allocations: 369.3 kB / 1.001 GB, free: 4.699 MB / 0.6198 GB Notification: Performance of NFTyping.typeBindings: time 0.004052/0.2587, allocations: 1.132 MB / 1.002 GB, free: 3.562 MB / 0.6198 GB Notification: Performance of NFTyping.typeClassSections: time 0.003351/0.2621, allocations: 0.7769 MB / 1.003 GB, free: 2.785 MB / 0.6198 GB Notification: Performance of NFFlatten.flatten: time 0.009793/0.2719, allocations: 6.485 MB / 1.01 GB, free: 12.29 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0177/0.2897, allocations: 7.463 MB / 1.017 GB, free: 4.77 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004308/0.294, allocations: 1.693 MB / 1.019 GB, free: 3.07 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006455/0.3005, allocations: 2.61 MB / 1.021 GB, free: 464 kB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.001454/0.3021, allocations: 243.9 kB / 1.021 GB, free: 220 kB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003766/0.3058, allocations: 0.6829 MB / 1.022 GB, free: 15.53 MB / 0.6511 GB Notification: Performance of NFScalarize.scalarize: time 0.004379/0.3103, allocations: 1.883 MB / 1.024 GB, free: 13.64 MB / 0.6511 GB Notification: Performance of NFVerifyModel.verify: time 0.002066/0.3124, allocations: 0.6953 MB / 1.024 GB, free: 12.94 MB / 0.6511 GB Notification: Performance of NFConvertDAE.convert: time 0.01093/0.3234, allocations: 6.444 MB / 1.031 GB, free: 6.48 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 9.238e-06/0.3234, allocations: 7.984 kB / 1.031 GB, free: 6.473 MB / 0.6511 GB Notification: Performance of FrontEnd: time 3.487e-06/0.3235, allocations: 0 / 1.031 GB, free: 6.473 MB / 0.6511 GB Notification: Performance of Transformations before backend: time 0.0002825/0.3238, allocations: 0 / 1.031 GB, free: 6.473 MB / 0.6511 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 0.01227/0.336, allocations: 3.132 MB / 1.034 GB, free: 3.281 MB / 0.6511 GB Notification: Performance of prepare preOptimizeDAE: time 6.017e-05/0.3361, allocations: 16.02 kB / 1.034 GB, free: 3.266 MB / 0.6511 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002028/0.3382, allocations: 0.5424 MB / 1.034 GB, free: 2.715 MB / 0.6511 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0225/0.3607, allocations: 2.363 MB / 1.037 GB, free: 352 kB / 0.6511 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007248/0.368, allocations: 2.131 MB / 1.039 GB, free: 14.16 MB / 0.6667 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004119/0.3684, allocations: 267.1 kB / 1.039 GB, free: 13.9 MB / 0.6667 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001758/0.3702, allocations: 348 kB / 1.039 GB, free: 13.56 MB / 0.6667 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02612/0.3964, allocations: 7.096 MB / 1.046 GB, free: 6.363 MB / 0.6667 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001403/0.3966, allocations: 4 kB / 1.046 GB, free: 6.359 MB / 0.6667 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001172/0.3977, allocations: 151.9 kB / 1.046 GB, free: 6.211 MB / 0.6667 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008427/0.3986, allocations: 338.1 kB / 1.047 GB, free: 5.879 MB / 0.6667 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.029/0.4276, allocations: 6.973 MB / 1.054 GB, free: 14.89 MB / 0.6823 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 0.6865/1.114, allocations: 26.69 MB / 1.08 GB, free: 71.11 MB / 0.6823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01528/1.13, allocations: 4.978 MB / 1.084 GB, free: 68.38 MB / 0.6823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01133/1.141, allocations: 2.604 MB / 1.087 GB, free: 67.62 MB / 0.6823 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005362/1.141, allocations: 128.7 kB / 1.087 GB, free: 67.52 MB / 0.6823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5e-05/1.142, allocations: 59.59 kB / 1.087 GB, free: 67.46 MB / 0.6823 GB Notification: Performance of pre-optimization done (n=208): time 6.452e-06/1.142, allocations: 4 kB / 1.087 GB, free: 67.46 MB / 0.6823 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 0.1961/1.338, allocations: 30.97 MB / 1.117 GB, free: 55.68 MB / 0.6823 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001043/1.338, allocations: 245.9 kB / 1.118 GB, free: 55.42 MB / 0.6823 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002841/1.341, allocations: 1.432 MB / 1.119 GB, free: 54.65 MB / 0.6823 GB Notification: Performance of collectPreVariables (initialization): time 0.0006611/1.341, allocations: 65.33 kB / 1.119 GB, free: 54.59 MB / 0.6823 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009963/1.342, allocations: 1.5 MB / 1.121 GB, free: 53.28 MB / 0.6823 GB Notification: Performance of collectInitialBindings (initialization): time 0.001303/1.344, allocations: 0.9213 MB / 1.122 GB, free: 52.48 MB / 0.6823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004333/1.344, allocations: 63.31 kB / 1.122 GB, free: 52.43 MB / 0.6823 GB Notification: Performance of setup shared object (initialization): time 0.000213/1.344, allocations: 446.2 kB / 1.122 GB, free: 52.03 MB / 0.6823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.009867/1.354, allocations: 2.639 MB / 1.125 GB, free: 50.66 MB / 0.6823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01095/1.365, allocations: 3.545 MB / 1.128 GB, free: 48.15 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01072/1.376, allocations: 3.1 MB / 1.131 GB, free: 45.83 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.853e-05/1.376, allocations: 8 kB / 1.131 GB, free: 45.82 MB / 0.6823 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 0.04891/1.425, allocations: 11 MB / 1.142 GB, free: 34.73 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005289/1.426, allocations: 0.8631 MB / 1.143 GB, free: 33.49 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.89e-05/1.426, allocations: 31.84 kB / 1.143 GB, free: 33.46 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03864/1.464, allocations: 5.881 MB / 1.148 GB, free: 27.56 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007764/1.472, allocations: 0.9828 MB / 1.149 GB, free: 26.58 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06465/1.537, allocations: 25.9 MB / 1.175 GB, free: 256 kB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0078/1.545, allocations: 0.5536 MB / 1.175 GB, free: 15.7 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001004/1.546, allocations: 147.9 kB / 1.175 GB, free: 15.55 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 1.3e-05/1.546, allocations: 9.406 kB / 1.175 GB, free: 15.54 MB / 0.698 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 0.01326/1.559, allocations: 3.086 MB / 1.178 GB, free: 12.43 MB / 0.698 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated