Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.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/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.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.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified1") translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007919/0.007919, allocations: 99.34 kB / 15.73 MB, free: 6.059 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001823/0.001823, allocations: 195 kB / 16.67 MB, free: 5.977 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.515/1.515, allocations: 222.9 MB / 240.4 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.482/2.482, allocations: 437 MB / 0.7105 GB, free: 4.438 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001371/0.001371, allocations: 63.91 kB / 1.019 GB, free: 9.398 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.9918/0.9932, allocations: 151.6 MB / 1.167 GB, free: 3.871 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.3489/1.342, allocations: 357.7 MB / 1.516 GB, free: 12.97 MB / 1.248 GB Notification: Performance of NFInst.instExpressions: time 0.9909/2.333, allocations: 75.84 MB / 1.59 GB, free: 61.85 MB / 1.279 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01884/2.352, allocations: 432.8 kB / 1.59 GB, free: 61.85 MB / 1.279 GB Notification: Performance of NFTyping.typeComponents: time 0.01993/2.372, allocations: 6.431 MB / 1.597 GB, free: 61.84 MB / 1.279 GB Notification: Performance of NFTyping.typeBindings: time 0.04667/2.419, allocations: 14.09 MB / 1.61 GB, free: 61.3 MB / 1.279 GB Notification: Performance of NFTyping.typeClassSections: time 0.03138/2.45, allocations: 10.19 MB / 1.62 GB, free: 60.96 MB / 1.279 GB Notification: Performance of NFFlatten.flatten: time 0.1171/2.567, allocations: 74.31 MB / 1.693 GB, free: 53.2 MB / 1.279 GB Notification: Performance of NFFlatten.resolveConnections: time 0.04112/2.608, allocations: 20.04 MB / 1.713 GB, free: 37.89 MB / 1.279 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0421/2.65, allocations: 17.08 MB / 1.729 GB, free: 22.24 MB / 1.279 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03054/2.681, allocations: 16.43 MB / 1.745 GB, free: 6.973 MB / 1.279 GB Notification: Performance of NFPackage.collectConstants: time 0.01064/2.692, allocations: 1.969 MB / 1.747 GB, free: 5.004 MB / 1.279 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02554/2.717, allocations: 6.059 MB / 1.753 GB, free: 15.22 MB / 1.295 GB Notification: Performance of NFScalarize.scalarize: time 0.0135/2.731, allocations: 6.525 MB / 1.76 GB, free: 8.926 MB / 1.295 GB Notification: Performance of NFVerifyModel.verify: time 0.02949/2.76, allocations: 11.21 MB / 1.77 GB, free: 13.89 MB / 1.311 GB Notification: Performance of NFConvertDAE.convert: time 0.0577/2.818, allocations: 31.29 MB / 1.801 GB, free: 15.69 MB / 1.342 GB Notification: Performance of FrontEnd - DAE generated: time 7.164e-06/2.818, allocations: 4 kB / 1.801 GB, free: 15.69 MB / 1.342 GB Notification: Performance of FrontEnd: time 2.034e-06/2.818, allocations: 0 / 1.801 GB, free: 15.69 MB / 1.342 GB Notification: Performance of Transformations before backend: time 0.001049/2.819, allocations: 0 / 1.801 GB, free: 15.69 MB / 1.342 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 0.06876/2.888, allocations: 24.57 MB / 1.825 GB, free: 7.262 MB / 1.357 GB Notification: Performance of prepare preOptimizeDAE: time 3.937e-05/2.888, allocations: 8.922 kB / 1.825 GB, free: 7.254 MB / 1.357 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01759/2.906, allocations: 3.305 MB / 1.828 GB, free: 3.934 MB / 1.357 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04961/2.955, allocations: 21.01 MB / 1.849 GB, free: 15.24 MB / 1.389 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007286/2.956, allocations: 0.6707 MB / 1.849 GB, free: 14.58 MB / 1.389 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004884/2.961, allocations: 0.9469 MB / 1.85 GB, free: 13.64 MB / 1.389 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04418/3.005, allocations: 17.1 MB / 1.867 GB, free: 12.34 MB / 1.404 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003383/3.005, allocations: 19.83 kB / 1.867 GB, free: 12.32 MB / 1.404 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003428/3.009, allocations: 329.8 kB / 1.867 GB, free: 12 MB / 1.404 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003959/3.009, allocations: 371.4 kB / 1.868 GB, free: 11.64 MB / 1.404 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04472/3.054, allocations: 21.53 MB / 1.889 GB, free: 6.094 MB / 1.42 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 0.1509/3.205, allocations: 83.02 MB / 1.97 GB, free: 0.6133 MB / 1.498 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02515/3.23, allocations: 13.3 MB / 1.983 GB, free: 3.562 MB / 1.514 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01717/3.247, allocations: 9.808 MB / 1.992 GB, free: 9.746 MB / 1.529 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 0.07687/3.324, allocations: 35.54 MB / 2.027 GB, free: 5.855 MB / 1.561 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01916/3.344, allocations: 10.25 MB / 2.037 GB, free: 11.54 MB / 1.576 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02154/3.365, allocations: 5.844 MB / 2.043 GB, free: 5.855 MB / 1.576 GB Notification: Performance of pre-optimization done (n=588): time 2.981e-05/3.365, allocations: 0 / 2.043 GB, free: 5.855 MB / 1.576 GB Notification: Performance of matching and sorting (n=880): time 1.666/5.031, allocations: 240.3 MB / 2.277 GB, free: 0.6748 GB / 1.701 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 0.117/5.148, allocations: 55.31 MB / 2.331 GB, free: 0.62 GB / 1.701 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02861/5.177, allocations: 17.78 MB / 2.349 GB, free: 0.603 GB / 1.701 GB Notification: Performance of collectPreVariables (initialization): time 0.004414/5.181, allocations: 233.7 kB / 2.349 GB, free: 0.6027 GB / 1.701 GB Notification: Performance of collectInitialEqns (initialization): time 0.008376/5.189, allocations: 7.809 MB / 2.357 GB, free: 0.5966 GB / 1.701 GB Notification: Performance of collectInitialBindings (initialization): time 0.01123/5.201, allocations: 3.345 MB / 2.36 GB, free: 0.5945 GB / 1.701 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01632/5.217, allocations: 4.551 MB / 2.364 GB, free: 0.5901 GB / 1.701 GB Notification: Performance of setup shared object (initialization): time 4.169e-05/5.217, allocations: 301.1 kB / 2.365 GB, free: 0.5898 GB / 1.701 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0361/5.253, allocations: 25.64 MB / 2.39 GB, free: 0.5647 GB / 1.701 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03681/5.29, allocations: 28.5 MB / 2.418 GB, free: 0.5359 GB / 1.701 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06799/5.358, allocations: 46.83 MB / 2.463 GB, free: 0.4894 GB / 1.701 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001007/5.358, allocations: 16 kB / 2.463 GB, free: 0.4894 GB / 1.701 GB Notification: Performance of matching and sorting (n=1652) (initialization): time 0.6053/5.964, allocations: 146.1 MB / 2.606 GB, free: 354.9 MB / 1.701 GB Notification: Performance of prepare postOptimizeDAE: time 8.296e-05/5.964, allocations: 57.7 kB / 2.606 GB, free: 354.8 MB / 1.701 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.928e-05/5.964, allocations: 52 kB / 2.606 GB, free: 354.8 MB / 1.701 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5801/6.544, allocations: 119.8 MB / 2.723 GB, free: 235 MB / 1.701 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01984/6.564, allocations: 3.794 MB / 2.727 GB, free: 231.2 MB / 1.701 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1479/6.712, allocations: 84.32 MB / 2.809 GB, free: 146.5 MB / 1.701 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2118/6.924, allocations: 10.62 MB / 2.82 GB, free: 135.8 MB / 1.701 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008028/6.932, allocations: 1.669 MB / 2.821 GB, free: 134.2 MB / 1.701 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04826/6.98, allocations: 29.03 MB / 2.849 GB, free: 105.1 MB / 1.701 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03774/7.018, allocations: 27.96 MB / 2.877 GB, free: 76.11 MB / 1.701 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0733/7.091, allocations: 45.79 MB / 2.922 GB, free: 29.53 MB / 1.701 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.668e-05/7.091, allocations: 16 kB / 2.922 GB, free: 29.52 MB / 1.701 GB Notification: Performance of matching and sorting (n=1652) (initialization_lambda0): time 1.444/8.535, allocations: 144.4 MB / 3.063 GB, free: 0.6452 GB / 1.701 GB Notification: Performance of prepare postOptimizeDAE: time 7.814e-05/8.535, allocations: 61.69 kB / 3.063 GB, free: 0.6451 GB / 1.701 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.294e-05/8.536, allocations: 48 kB / 3.063 GB, free: 0.6451 GB / 1.701 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5738/9.109, allocations: 118.8 MB / 3.179 GB, free: 0.5294 GB / 1.701 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01853/9.128, allocations: 3.759 MB / 3.182 GB, free: 0.5258 GB / 1.701 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1447/9.273, allocations: 88.2 MB / 3.268 GB, free: 450.2 MB / 1.701 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2158/9.488, allocations: 10.66 MB / 3.279 GB, free: 439.5 MB / 1.701 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.009527/9.498, allocations: 1.637 MB / 3.28 GB, free: 437.9 MB / 1.701 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 0.009361/9.507, allocations: 0.7599 MB / 3.281 GB, free: 437.1 MB / 1.701 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009957/9.517, allocations: 1.708 MB / 3.283 GB, free: 436.4 MB / 1.701 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2181/9.735, allocations: 68.7 MB / 3.35 GB, free: 367.9 MB / 1.701 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2308/9.966, allocations: 83.19 MB / 3.431 GB, free: 284.8 MB / 1.701 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001183/9.966, allocations: 28 kB / 3.431 GB, free: 284.8 MB / 1.701 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.22/10.19, allocations: 82.07 MB / 3.511 GB, free: 202.7 MB / 1.701 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 1.32/11.51, allocations: 216 MB / 3.722 GB, free: 0.6724 GB / 1.701 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.833e-05/11.51, allocations: 7.641 kB / 3.722 GB, free: 0.6724 GB / 1.701 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01303/11.52, allocations: 2.238 MB / 3.725 GB, free: 0.6724 GB / 1.701 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5714/12.09, allocations: 144.7 MB / 3.866 GB, free: 0.5826 GB / 1.701 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00628/12.1, allocations: 0.8117 MB / 3.867 GB, free: 0.5819 GB / 1.701 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1267/12.22, allocations: 72.13 MB / 3.937 GB, free: 0.5122 GB / 1.701 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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2348:10-2348:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2265:9-2265:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4689:9-4689:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:803:5-803:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]