Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Simplified1.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Simplified1") translateModel(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Simplified1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001016/0.001016, allocations: 104.3 kB / 16.35 MB, free: 5.824 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.000982/0.000982, allocations: 190.1 kB / 17.29 MB, free: 5.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.244/1.244, allocations: 222.9 MB / 241 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002073/0.002072, allocations: 300.7 kB / 291.4 MB, free: 14.46 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.8995/0.8995, allocations: 169.3 MB / 0.4989 GB, free: 4.461 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001652/0.001652, allocations: 90.08 kB / 0.5967 GB, free: 14.45 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1441/0.1458, allocations: 86.97 MB / 0.6816 GB, free: 7.465 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1): time 0.8843/1.03, allocations: 357.7 MB / 1.031 GB, free: 48.2 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.08534/1.116, allocations: 75.87 MB / 1.105 GB, free: 33.54 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01448/1.13, allocations: 432.2 kB / 1.105 GB, free: 33.54 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.03343/1.164, allocations: 23.48 MB / 1.128 GB, free: 13.59 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.0338/1.197, allocations: 14.03 MB / 1.142 GB, free: 1.512 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.02557/1.223, allocations: 10.16 MB / 1.152 GB, free: 8.504 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.09343/1.316, allocations: 74.16 MB / 1.224 GB, free: 1.195 MB / 0.795 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02458/1.341, allocations: 19.99 MB / 1.244 GB, free: 13.72 MB / 0.8262 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03316/1.374, allocations: 17.05 MB / 1.261 GB, free: 13.61 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02669/1.401, allocations: 16.39 MB / 1.277 GB, free: 14.35 MB / 0.8575 GB Notification: Performance of NFPackage.collectConstants: time 0.007093/1.408, allocations: 1.965 MB / 1.278 GB, free: 12.38 MB / 0.8575 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01837/1.427, allocations: 6.048 MB / 1.284 GB, free: 6.609 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.0096/1.436, allocations: 6.504 MB / 1.291 GB, free: 328 kB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.8596/2.296, allocations: 11.2 MB / 1.302 GB, free: 91.74 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.05254/2.348, allocations: 31.07 MB / 1.332 GB, free: 88.65 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 6.012e-06/2.348, allocations: 0 / 1.332 GB, free: 88.65 MB / 0.8575 GB Notification: Performance of FrontEnd: time 1.904e-06/2.348, allocations: 0 / 1.332 GB, free: 88.65 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 0.001231/2.35, allocations: 0 / 1.332 GB, free: 88.65 MB / 0.8575 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2045 * Number of variables: 2045 Notification: Performance of Generate backend data structure: time 0.07293/2.423, allocations: 23.89 MB / 1.355 GB, free: 80.09 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 3.818e-05/2.423, allocations: 8.75 kB / 1.355 GB, free: 80.09 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01863/2.441, allocations: 3.19 MB / 1.358 GB, free: 79.05 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04387/2.485, allocations: 20.37 MB / 1.378 GB, free: 76.07 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006853/2.486, allocations: 0.6781 MB / 1.379 GB, free: 76.06 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.006045/2.492, allocations: 0.9448 MB / 1.38 GB, free: 76.05 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04261/2.535, allocations: 17.1 MB / 1.397 GB, free: 74.57 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004481/2.535, allocations: 21.05 kB / 1.397 GB, free: 74.56 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005263/2.54, allocations: 328.9 kB / 1.397 GB, free: 74.56 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003406/2.541, allocations: 364.1 kB / 1.397 GB, free: 74.52 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04/2.581, allocations: 21.54 MB / 1.418 GB, free: 71.28 MB / 0.8575 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 0.1307/2.711, allocations: 82.86 MB / 1.499 GB, free: 7.668 MB / 0.8732 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02365/2.735, allocations: 13.31 MB / 1.512 GB, free: 10.62 MB / 0.8888 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01505/2.75, allocations: 9.794 MB / 1.522 GB, free: 0.8086 MB / 0.8888 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 evalFunc (simulation): time 0.07536/2.826, allocations: 35.5 MB / 1.556 GB, free: 12.95 MB / 0.9357 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01902/2.845, allocations: 10.25 MB / 1.566 GB, free: 2.633 MB / 0.9357 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0214/2.866, allocations: 5.815 MB / 1.572 GB, free: 12.98 MB / 0.9513 GB Notification: Performance of pre-optimization done (n=588): time 3.454e-05/2.866, allocations: 0 / 1.572 GB, free: 12.98 MB / 0.9513 GB Notification: Performance of matching and sorting (n=880): time 1.183/4.049, allocations: 239.8 MB / 1.806 GB, free: 388.8 MB / 1.014 GB Warning: The linear system: 1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 2 : valCoo.m_flow + spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsSouth1[2].m_flow) - tabsSouth1[1].m_flow - tabsSouth1[3].m_flow - tabsSouth1[4].m_flow - tabsSouth2[1].m_flow - tabsSouth2[2].m_flow - tabsSouth2[3].m_flow - tabsSouth2[4].m_flow - tabsSouth2[5].m_flow - tabsSouth2[6].m_flow - tabsSouth2[7].m_flow - tabsSouth2[8].m_flow - tabsNorth1[1].m_flow - tabsNorth1[2].m_flow - tabsNorth1[3].m_flow - tabsNorth1[4].m_flow - tabsNorth2[1].m_flow - tabsNorth2[2].m_flow - tabsNorth2[3].m_flow - tabsNorth2[4].m_flow - tabsNorth2[5].m_flow - tabsNorth2[6].m_flow - tabsNorth2[8].m_flow - tabsNorth2[7].m_flow = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1[2].m_flow ; tabsSouth1[1].m_flow ] = [ pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ; tabsSouth1[3].m_flow + tabsNorth2[8].m_flow + tabsNorth2[7].m_flow + tabsNorth2[6].m_flow + tabsNorth2[5].m_flow + tabsNorth2[4].m_flow + tabsNorth2[3].m_flow + tabsNorth2[2].m_flow + tabsNorth2[1].m_flow + tabsNorth1[4].m_flow + tabsNorth1[3].m_flow + tabsNorth1[2].m_flow + tabsNorth1[1].m_flow + tabsSouth2[8].m_flow + tabsSouth2[7].m_flow + tabsSouth2[6].m_flow + tabsSouth2[5].m_flow + tabsSouth2[4].m_flow + tabsSouth2[3].m_flow + tabsSouth2[2].m_flow + tabsSouth2[1].m_flow + tabsSouth1[4].m_flow + (-spl1.res1.m_flow) - valCoo.m_flow - valNorth.res3.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 2 : valCoo.m_flow + spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsSouth1[2].m_flow) - tabsSouth1[1].m_flow - tabsSouth1[3].m_flow - tabsSouth1[4].m_flow - tabsSouth2[1].m_flow - tabsSouth2[2].m_flow - tabsSouth2[3].m_flow - tabsSouth2[4].m_flow - tabsSouth2[5].m_flow - tabsSouth2[6].m_flow - tabsSouth2[7].m_flow - tabsSouth2[8].m_flow - tabsNorth1[1].m_flow - tabsNorth1[2].m_flow - tabsNorth1[3].m_flow - tabsNorth1[4].m_flow - tabsNorth2[1].m_flow - tabsNorth2[2].m_flow - tabsNorth2[3].m_flow - tabsNorth2[4].m_flow - tabsNorth2[5].m_flow - tabsNorth2[6].m_flow - tabsNorth2[8].m_flow - tabsNorth2[7].m_flow = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1[1].m_flow ; tabsSouth1[2].m_flow ] = [ pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ; tabsSouth1[3].m_flow + tabsNorth2[8].m_flow + tabsNorth2[7].m_flow + tabsNorth2[6].m_flow + tabsNorth2[5].m_flow + tabsNorth2[4].m_flow + tabsNorth2[3].m_flow + tabsNorth2[2].m_flow + tabsNorth2[1].m_flow + tabsNorth1[4].m_flow + tabsNorth1[3].m_flow + tabsNorth1[2].m_flow + tabsNorth1[1].m_flow + tabsSouth2[8].m_flow + tabsSouth2[7].m_flow + tabsSouth2[6].m_flow + tabsSouth2[5].m_flow + tabsSouth2[4].m_flow + tabsSouth2[3].m_flow + tabsSouth2[2].m_flow + tabsSouth2[1].m_flow + tabsSouth1[4].m_flow + (-spl1.res1.m_flow) - valCoo.m_flow - valNorth.res3.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 2 : valCoo.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + spl1.res1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + valNorth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + valSouth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsNorth2[8].m_flow.SeedStateSetJac0) - tabsNorth2[7].m_flow.SeedStateSetJac0 - tabsNorth2[6].m_flow.SeedStateSetJac0 - tabsNorth2[5].m_flow.SeedStateSetJac0 - tabsNorth2[4].m_flow.SeedStateSetJac0 - tabsNorth2[3].m_flow.SeedStateSetJac0 - tabsNorth2[2].m_flow.SeedStateSetJac0 - tabsNorth2[1].m_flow.SeedStateSetJac0 - tabsNorth1[4].m_flow.SeedStateSetJac0 - tabsNorth1[3].m_flow.SeedStateSetJac0 - tabsNorth1[2].m_flow.SeedStateSetJac0 - tabsNorth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth2[8].m_flow.SeedStateSetJac0 - tabsSouth2[7].m_flow.SeedStateSetJac0 - tabsSouth2[6].m_flow.SeedStateSetJac0 - tabsSouth2[5].m_flow.SeedStateSetJac0 - tabsSouth2[4].m_flow.SeedStateSetJac0 - tabsSouth2[3].m_flow.SeedStateSetJac0 - tabsSouth2[2].m_flow.SeedStateSetJac0 - tabsSouth2[1].m_flow.SeedStateSetJac0 - tabsSouth1[4].m_flow.SeedStateSetJac0 - tabsSouth1[3].m_flow.SeedStateSetJac0 - tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ] = [ pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0 ; tabsNorth2[8].m_flow.SeedStateSetJac0 + tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth2[1].m_flow.SeedStateSetJac0 + tabsSouth2[2].m_flow.SeedStateSetJac0 + tabsSouth2[3].m_flow.SeedStateSetJac0 + tabsSouth2[4].m_flow.SeedStateSetJac0 + tabsSouth2[5].m_flow.SeedStateSetJac0 + tabsSouth2[6].m_flow.SeedStateSetJac0 + tabsSouth2[7].m_flow.SeedStateSetJac0 + tabsSouth2[8].m_flow.SeedStateSetJac0 + tabsNorth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsNorth1[2].m_flow.SeedStateSetJac0 + tabsNorth1[3].m_flow.SeedStateSetJac0 + tabsNorth1[4].m_flow.SeedStateSetJac0 + tabsNorth2[1].m_flow.SeedStateSetJac0 + tabsNorth2[2].m_flow.SeedStateSetJac0 + tabsNorth2[3].m_flow.SeedStateSetJac0 + tabsNorth2[4].m_flow.SeedStateSetJac0 + tabsNorth2[5].m_flow.SeedStateSetJac0 + tabsNorth2[6].m_flow.SeedStateSetJac0 + tabsNorth2[7].m_flow.SeedStateSetJac0 + (-spl1.res1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0) - valCoo.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - valSouth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ] might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of inlineWhenForInitialization (initialization): time 0.1074/4.157, allocations: 55.29 MB / 1.86 GB, free: 332.1 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02341/4.18, allocations: 17.33 MB / 1.877 GB, free: 314.9 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 0.004978/4.185, allocations: 236.3 kB / 1.878 GB, free: 314.7 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.006074/4.191, allocations: 7.715 MB / 1.885 GB, free: 307.3 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 0.01157/4.203, allocations: 3.188 MB / 1.888 GB, free: 304.2 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01696/4.22, allocations: 4.548 MB / 1.893 GB, free: 299.6 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 3.894e-05/4.22, allocations: 305.2 kB / 1.893 GB, free: 299.3 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03365/4.253, allocations: 25.64 MB / 1.918 GB, free: 273.6 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03722/4.291, allocations: 28.48 MB / 1.946 GB, free: 244.1 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06777/4.358, allocations: 46.84 MB / 1.992 GB, free: 196.5 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.363e-05/4.359, allocations: 16 kB / 1.992 GB, free: 196.5 MB / 1.014 GB Notification: Performance of matching and sorting (n=1652) (initialization): time 0.5486/4.907, allocations: 146 MB / 2.134 GB, free: 50.28 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 6.938e-05/4.907, allocations: 53.7 kB / 2.134 GB, free: 50.22 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.544e-05/4.907, allocations: 52.12 kB / 2.134 GB, free: 50.17 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.8688/5.776, allocations: 119.8 MB / 2.251 GB, free: 429.7 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0192/5.795, allocations: 3.801 MB / 2.255 GB, free: 429 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1315/5.927, allocations: 84.29 MB / 2.337 GB, free: 361.4 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1732/6.1, allocations: 10.61 MB / 2.348 GB, free: 350.8 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.009987/6.11, allocations: 1.662 MB / 2.349 GB, free: 349.1 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04796/6.158, allocations: 29.02 MB / 2.378 GB, free: 320.1 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03721/6.195, allocations: 27.97 MB / 2.405 GB, free: 291.1 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0657/6.261, allocations: 45.78 MB / 2.45 GB, free: 244.5 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.517e-05/6.261, allocations: 12 kB / 2.45 GB, free: 244.5 MB / 1.014 GB Notification: Performance of matching and sorting (n=1652) (initialization_lambda0): time 0.5485/6.81, allocations: 144.3 MB / 2.591 GB, free: 101.1 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 5.756e-05/6.81, allocations: 49.7 kB / 2.591 GB, free: 101 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.321e-05/6.81, allocations: 56.89 kB / 2.591 GB, free: 101 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.8221/7.632, allocations: 118.8 MB / 2.707 GB, free: 418.1 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01937/7.651, allocations: 3.751 MB / 2.71 GB, free: 418.1 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1487/7.8, allocations: 88.15 MB / 2.796 GB, free: 396.7 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1675/7.968, allocations: 10.66 MB / 2.807 GB, free: 388.6 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008111/7.976, allocations: 1.633 MB / 2.808 GB, free: 387 MB / 1.014 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 227 * Number of states: 0 () * Number of discrete variables: 10 ($whenCondition1,stepValve.count,$PRE.stepValve.count,stepValve.T_start,$PRE.stepValve.T_start,pumpHea.stage,stepPump.pulseStart,$PRE.stepPump.pulseStart,stepPump.y,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1164): * Single equations (assignments): 1142 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 8 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 8 systems {1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(28,28,89.3%)} * Non-linear torn systems (#iteration vars, #inner vars): 2 systems {(39,65), (39,65)} Notification: Performance of prepare postOptimizeDAE: time 0.009924/7.986, allocations: 0.772 MB / 2.809 GB, free: 386.2 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008801/7.995, allocations: 1.618 MB / 2.811 GB, free: 385.5 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2065/8.201, allocations: 68.7 MB / 2.878 GB, free: 317.1 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2157/8.417, allocations: 83.18 MB / 2.959 GB, free: 234 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.364e-05/8.417, allocations: 28 kB / 2.959 GB, free: 234 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2049/8.622, allocations: 82.08 MB / 3.039 GB, free: 151.9 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.766/9.388, allocations: 216 MB / 3.25 GB, free: 409.5 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.033e-05/9.388, allocations: 0 / 3.25 GB, free: 409.5 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01298/9.401, allocations: 2.236 MB / 3.252 GB, free: 409.4 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5057/9.907, allocations: 144.7 MB / 3.394 GB, free: 295.6 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.006178/9.913, allocations: 0.8108 MB / 3.395 GB, free: 294.8 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1174/10.03, allocations: 72.1 MB / 3.465 GB, free: 222.6 MB / 1.014 GB Warning: The linear system: 1 : valNorth1[3].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth1[2].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p [ 1.0 , -1.0 ; 1.0 , -1.0 ] * [ valSouth1[1].port_b.p ; valNorth1[2].port_a.p ] = [ -valNorth1[3].dp ; -valNorth1[2].dp ] might be structurally or numerically singular for variable valNorth1[2].port_a.p since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 2 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse374 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1[1].m_flow ; tabsSouth1[2].m_flow ] = [ pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ; tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valNorth1[2].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth1[3].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valNorth1[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valNorth1[2].dp ; -valNorth1[3].dp ] might be structurally or numerically singular for variable valSouth1[1].port_b.p since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 2 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse374 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1[1].m_flow ; tabsSouth1[2].m_flow ] = [ pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ; tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2348:10-2348:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2265:9-2265:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($STATESET1.x[32],$STATESET1.x[31],$STATESET1.x[30],$STATESET1.x[29],$STATESET1.x[28],$STATESET1.x[27],$STATESET1.x[26],$STATESET1.x[25],$STATESET1.x[24],$STATESET1.x[23],$STATESET1.x[22],$STATESET1.x[21],$STATESET1.x[20],$STATESET1.x[19],$STATESET1.x[18],$STATESET1.x[17],$STATESET1.x[16],$STATESET1.x[15],$STATESET1.x[14],$STATESET1.x[13],$STATESET1.x[12],$STATESET1.x[11],$STATESET1.x[10],$STATESET1.x[9],$STATESET1.x[8],$STATESET1.x[7],$STATESET1.x[6],$STATESET1.x[5],$STATESET1.x[4],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpSouth.filter.s[1],pmpNorth.vol.dynBal.U,pmpNorth.filter.s[1],valSouth1[1].filter.s[1],valSouth1[2].filter.s[1],valSouth1[3].filter.s[1],valSouth1[4].filter.s[1],valSouth2[1].filter.s[1],valSouth2[2].filter.s[1],valSouth2[3].filter.s[1],valSouth2[4].filter.s[1],valSouth2[5].filter.s[1],valSouth2[6].filter.s[1],valSouth2[7].filter.s[1],valSouth2[8].filter.s[1],valNorth1[1].filter.s[1],valNorth1[2].filter.s[1],valNorth1[3].filter.s[1],valNorth1[4].filter.s[1],valNorth2[1].filter.s[1],valNorth2[2].filter.s[1],valNorth2[3].filter.s[1],valNorth2[4].filter.s[1],valNorth2[5].filter.s[1],valNorth2[6].filter.s[1],valNorth2[7].filter.s[1],valNorth2[8].filter.s[1],valSouth.vol.dynBal.U,valSouth.filter.s[1],valNorth.vol.dynBal.U,valNorth.filter.s[1],spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,pumpHea.filter.s[1],valHea.filter.s[1],valCoo.filter.s[1],spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U,pumpCoo.filter.s[1]) * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count) * Number of discrete states: 1 (stepValve.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (631): * Single equations (assignments): 608 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 6 systems {1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(28,28,89.3%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(36,81), (1,1), (63,191)} [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4690:9-4690:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:804:5-804:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]