Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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 10.0.0-master/package.mo", uses=false) Using package Buildings with version 10.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001131/0.001131, allocations: 91.61 kB / 15.06 MB, free: 1.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001476/0.001476, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.48/1.48, allocations: 223.3 MB / 240 MB, free: 5.414 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo): time 2.64/2.64, allocations: 409.4 MB / 0.684 GB, free: 0.875 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.0003404/0.0003404, allocations: 8 kB / 0.8378 GB, free: 6.473 MB / 0.6856 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8153/0.8157, allocations: 146.8 MB / 0.9812 GB, free: 6.234 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02532/0.841, allocations: 16.57 MB / 0.9974 GB, free: 5.609 MB / 0.7481 GB Notification: Performance of NFInst.instExpressions: time 0.01155/0.8526, allocations: 6.496 MB / 1.004 GB, free: 15.1 MB / 0.7637 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002562/0.8552, allocations: 43.88 kB / 1.004 GB, free: 15.05 MB / 0.7637 GB Notification: Performance of NFTyping.typeComponents: time 0.001938/0.8572, allocations: 373.3 kB / 1.004 GB, free: 14.69 MB / 0.7637 GB Notification: Performance of NFTyping.typeBindings: time 0.004726/0.862, allocations: 1.144 MB / 1.005 GB, free: 13.54 MB / 0.7637 GB Notification: Performance of NFTyping.typeClassSections: time 0.003119/0.8651, allocations: 0.7796 MB / 1.006 GB, free: 12.76 MB / 0.7637 GB Notification: Performance of NFFlatten.flatten: time 0.008401/0.8735, allocations: 6.493 MB / 1.012 GB, free: 6.25 MB / 0.7637 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01437/0.8879, allocations: 7.464 MB / 1.02 GB, free: 14.72 MB / 0.7794 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004132/0.8921, allocations: 1.713 MB / 1.021 GB, free: 13 MB / 0.7794 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005253/0.8974, allocations: 2.617 MB / 1.024 GB, free: 10.38 MB / 0.7794 GB Notification: Performance of NFPackage.collectConstants: time 0.001406/0.8988, allocations: 240 kB / 1.024 GB, free: 10.14 MB / 0.7794 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002757/0.9016, allocations: 0.6751 MB / 1.025 GB, free: 9.469 MB / 0.7794 GB Notification: Performance of NFScalarize.scalarize: time 0.003386/0.905, allocations: 1.89 MB / 1.027 GB, free: 7.574 MB / 0.7794 GB Notification: Performance of NFVerifyModel.verify: time 0.001975/0.907, allocations: 0.6991 MB / 1.027 GB, free: 6.867 MB / 0.7794 GB Notification: Performance of NFConvertDAE.convert: time 0.008168/0.9152, allocations: 6.443 MB / 1.034 GB, free: 420 kB / 0.7794 GB Notification: Performance of FrontEnd - DAE generated: time 6.722e-06/0.9152, allocations: 4 kB / 1.034 GB, free: 416 kB / 0.7794 GB Notification: Performance of FrontEnd: time 3.377e-06/0.9152, allocations: 4 kB / 1.034 GB, free: 412 kB / 0.7794 GB Notification: Performance of Transformations before backend: time 0.0002933/0.9155, allocations: 0 / 1.034 GB, free: 412 kB / 0.7794 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 0.009683/0.9252, allocations: 3.128 MB / 1.037 GB, free: 13.21 MB / 0.795 GB Notification: Performance of prepare preOptimizeDAE: time 5.556e-05/0.9253, allocations: 15.97 kB / 1.037 GB, free: 13.2 MB / 0.795 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002486/0.9278, allocations: 0.5463 MB / 1.037 GB, free: 12.64 MB / 0.795 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01245/0.9402, allocations: 2.359 MB / 1.039 GB, free: 10.28 MB / 0.795 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006328/0.9466, allocations: 2.131 MB / 1.042 GB, free: 8.098 MB / 0.795 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003726/0.947, allocations: 263.1 kB / 1.042 GB, free: 7.84 MB / 0.795 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001893/0.9489, allocations: 355.9 kB / 1.042 GB, free: 7.492 MB / 0.795 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02041/0.9694, allocations: 7.096 MB / 1.049 GB, free: 300 kB / 0.795 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001824/0.9696, allocations: 7.938 kB / 1.049 GB, free: 292 kB / 0.795 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00147/0.9711, allocations: 144 kB / 1.049 GB, free: 148 kB / 0.795 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005945/0.9717, allocations: 334.1 kB / 1.05 GB, free: 15.82 MB / 0.8106 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01791/0.9896, allocations: 6.985 MB / 1.056 GB, free: 8.82 MB / 0.8106 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04337/1.033, allocations: 26.65 MB / 1.082 GB, free: 11.99 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009189/1.042, allocations: 4.98 MB / 1.087 GB, free: 6.715 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005837/1.048, allocations: 2.596 MB / 1.09 GB, free: 4.09 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003814/1.049, allocations: 131 kB / 1.09 GB, free: 3.941 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.151e-05/1.049, allocations: 60.5 kB / 1.09 GB, free: 3.875 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=208): time 4.248e-06/1.049, allocations: 0 / 1.09 GB, free: 3.875 MB / 0.8419 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.conv2.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.conv2.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 0.1008/1.15, allocations: 30.96 MB / 1.12 GB, free: 4.832 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001505/1.15, allocations: 243.5 kB / 1.12 GB, free: 4.543 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00273/1.152, allocations: 1.438 MB / 1.122 GB, free: 3.098 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.000644/1.153, allocations: 65.7 kB / 1.122 GB, free: 3.027 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.001162/1.154, allocations: 1.501 MB / 1.123 GB, free: 1.504 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.001443/1.156, allocations: 0.9242 MB / 1.124 GB, free: 0.5664 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005386/1.156, allocations: 71.94 kB / 1.124 GB, free: 0.4961 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0003311/1.157, allocations: 436.7 kB / 1.125 GB, free: 64 kB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006063/1.163, allocations: 2.645 MB / 1.127 GB, free: 13.41 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006717/1.169, allocations: 3.54 MB / 1.131 GB, free: 9.496 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006202/1.176, allocations: 3.087 MB / 1.134 GB, free: 6.387 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.206e-05/1.176, allocations: 8 kB / 1.134 GB, free: 6.379 MB / 0.8887 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.conv2.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.conv2.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 0.02655/1.202, allocations: 11 MB / 1.145 GB, free: 11.27 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 0.000786/1.203, allocations: 0.8634 MB / 1.145 GB, free: 10.03 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.512e-05/1.203, allocations: 28 kB / 1.145 GB, free: 10 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02048/1.224, allocations: 5.883 MB / 1.151 GB, free: 4.105 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004534/1.228, allocations: 0.9828 MB / 1.152 GB, free: 3.121 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0422/1.271, allocations: 25.88 MB / 1.177 GB, free: 8.801 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004162/1.275, allocations: 0.5535 MB / 1.178 GB, free: 8.246 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006691/1.275, allocations: 148 kB / 1.178 GB, free: 8.102 MB / 0.9356 GB Notification: Performance of prepare postOptimizeDAE: time 1.525e-05/1.275, allocations: 10.33 kB / 1.178 GB, free: 8.094 MB / 0.9356 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 0.007517/1.283, allocations: 3.087 MB / 1.181 GB, free: 4.98 MB / 0.9356 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated