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 0.001898/0.001898, allocations: 105.9 kB / 16.27 MB, free: 6.348 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001974/0.001974, allocations: 187.6 kB / 17.2 MB, free: 5.949 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.432/1.432, allocations: 222.9 MB / 240.9 MB, free: 15.23 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 2.549/2.549, allocations: 437.1 MB / 0.7111 GB, free: 4.469 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001933/0.001933, allocations: 63.77 kB / 0.8699 GB, free: 2.23 MB / 0.6387 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3372/0.3392, allocations: 151.6 MB / 1.018 GB, free: 10.66 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.8953/1.235, allocations: 357.7 MB / 1.367 GB, free: 3.723 MB / 1.061 GB Notification: Performance of NFInst.instExpressions: time 0.1216/1.356, allocations: 75.87 MB / 1.441 GB, free: 7.684 MB / 1.139 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01549/1.372, allocations: 429.6 kB / 1.442 GB, free: 7.262 MB / 1.139 GB Notification: Performance of NFTyping.typeComponents: time 0.04414/1.416, allocations: 23.47 MB / 1.465 GB, free: 15.74 MB / 1.17 GB Notification: Performance of NFTyping.typeBindings: time 0.04216/1.458, allocations: 14.03 MB / 1.478 GB, free: 1.66 MB / 1.17 GB Notification: Performance of NFTyping.typeClassSections: time 0.02607/1.484, allocations: 10.04 MB / 1.488 GB, free: 7.68 MB / 1.186 GB Notification: Performance of NFFlatten.flatten: time 1.276/2.76, allocations: 66.76 MB / 1.553 GB, free: 101.5 MB / 1.233 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03616/2.797, allocations: 20.01 MB / 1.573 GB, free: 99.74 MB / 1.233 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0393/2.836, allocations: 16.98 MB / 1.59 GB, free: 99.28 MB / 1.233 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03132/2.867, allocations: 16.38 MB / 1.606 GB, free: 97.14 MB / 1.233 GB Notification: Performance of NFPackage.collectConstants: time 0.01103/2.878, allocations: 1.968 MB / 1.607 GB, free: 97.14 MB / 1.233 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02782/2.906, allocations: 6.632 MB / 1.614 GB, free: 97.07 MB / 1.233 GB Notification: Performance of NFScalarize.scalarize: time 0.01713/2.923, allocations: 6.513 MB / 1.62 GB, free: 96.34 MB / 1.233 GB Notification: Performance of NFVerifyModel.verify: time 0.03118/2.955, allocations: 11.22 MB / 1.631 GB, free: 93.43 MB / 1.233 GB Notification: Performance of NFConvertDAE.convert: time 0.05488/3.009, allocations: 31.37 MB / 1.662 GB, free: 88.49 MB / 1.233 GB Notification: Performance of FrontEnd - DAE generated: time 7.263e-06/3.009, allocations: 0 / 1.662 GB, free: 88.49 MB / 1.233 GB Notification: Performance of FrontEnd: time 2.455e-06/3.01, allocations: 0 / 1.662 GB, free: 88.49 MB / 1.233 GB Notification: Performance of Transformations before backend: time 0.001332/3.011, allocations: 0 / 1.662 GB, free: 88.49 MB / 1.233 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 0.0823/3.093, allocations: 23.97 MB / 1.685 GB, free: 76.29 MB / 1.233 GB Notification: Performance of prepare preOptimizeDAE: time 5.172e-05/3.093, allocations: 8.422 kB / 1.685 GB, free: 76.29 MB / 1.233 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02083/3.114, allocations: 3.192 MB / 1.688 GB, free: 74.77 MB / 1.233 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04487/3.159, allocations: 19.7 MB / 1.708 GB, free: 67.32 MB / 1.233 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00089/3.16, allocations: 0.6971 MB / 1.708 GB, free: 66.91 MB / 1.233 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0065/3.166, allocations: 0.9498 MB / 1.709 GB, free: 66.27 MB / 1.233 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04505/3.212, allocations: 17.11 MB / 1.726 GB, free: 54.34 MB / 1.233 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004267/3.212, allocations: 18.08 kB / 1.726 GB, free: 54.32 MB / 1.233 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005299/3.217, allocations: 331.3 kB / 1.726 GB, free: 54.25 MB / 1.233 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003969/3.218, allocations: 366.1 kB / 1.727 GB, free: 53.91 MB / 1.233 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04081/3.259, allocations: 21.56 MB / 1.748 GB, free: 38.71 MB / 1.233 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 0.1497/3.408, allocations: 83.3 MB / 1.829 GB, free: 1.367 MB / 1.279 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02682/3.435, allocations: 13.33 MB / 1.842 GB, free: 4.285 MB / 1.295 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01835/3.454, allocations: 9.798 MB / 1.852 GB, free: 10.48 MB / 1.311 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 0.08755/3.541, allocations: 35.6 MB / 1.886 GB, free: 6.605 MB / 1.342 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02131/3.562, allocations: 10.26 MB / 1.896 GB, free: 12.28 MB / 1.358 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0241/3.587, allocations: 5.823 MB / 1.902 GB, free: 6.609 MB / 1.358 GB Notification: Performance of pre-optimization done (n=588): time 4.134e-05/3.587, allocations: 0 / 1.902 GB, free: 6.609 MB / 1.358 GB Notification: Performance of matching and sorting (n=880): time 1.635/5.221, allocations: 240 MB / 2.136 GB, free: 0.6511 GB / 1.529 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 0.131/5.352, allocations: 55.32 MB / 2.19 GB, free: 0.6164 GB / 1.529 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03738/5.39, allocations: 17.4 MB / 2.207 GB, free: 0.6081 GB / 1.529 GB Notification: Performance of collectPreVariables (initialization): time 0.004966/5.395, allocations: 232.5 kB / 2.208 GB, free: 0.6079 GB / 1.529 GB Notification: Performance of collectInitialEqns (initialization): time 0.009019/5.404, allocations: 7.723 MB / 2.215 GB, free: 0.6027 GB / 1.529 GB Notification: Performance of collectInitialBindings (initialization): time 0.01221/5.416, allocations: 3.198 MB / 2.218 GB, free: 0.6015 GB / 1.529 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01787/5.434, allocations: 4.631 MB / 2.223 GB, free: 0.5992 GB / 1.529 GB Notification: Performance of setup shared object (initialization): time 4.269e-05/5.434, allocations: 301.1 kB / 2.223 GB, free: 0.5989 GB / 1.529 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03577/5.47, allocations: 25.97 MB / 2.249 GB, free: 0.5767 GB / 1.529 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03674/5.507, allocations: 28.88 MB / 2.277 GB, free: 0.5474 GB / 1.529 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06634/5.573, allocations: 47.51 MB / 2.323 GB, free: 0.5003 GB / 1.529 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.409e-05/5.573, allocations: 16 kB / 2.323 GB, free: 0.5002 GB / 1.529 GB Notification: Performance of matching and sorting (n=1700) (initialization): time 0.6214/6.194, allocations: 146.8 MB / 2.466 GB, free: 365.3 MB / 1.529 GB Notification: Performance of prepare postOptimizeDAE: time 7.406e-05/6.195, allocations: 50.67 kB / 2.467 GB, free: 365.3 MB / 1.529 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.284e-05/6.195, allocations: 52 kB / 2.467 GB, free: 365.2 MB / 1.529 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6049/6.8, allocations: 119.9 MB / 2.584 GB, free: 245.4 MB / 1.529 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02076/6.82, allocations: 3.837 MB / 2.587 GB, free: 241.5 MB / 1.529 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1527/6.973, allocations: 84.31 MB / 2.67 GB, free: 156.8 MB / 1.529 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2181/7.191, allocations: 10.63 MB / 2.68 GB, free: 146.2 MB / 1.529 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007641/7.199, allocations: 1.697 MB / 2.682 GB, free: 144.5 MB / 1.529 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04674/7.246, allocations: 29.36 MB / 2.71 GB, free: 115.1 MB / 1.529 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0387/7.285, allocations: 28.33 MB / 2.738 GB, free: 85.7 MB / 1.529 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06802/7.353, allocations: 46.46 MB / 2.783 GB, free: 38.44 MB / 1.529 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.281e-05/7.353, allocations: 16 kB / 2.784 GB, free: 38.43 MB / 1.529 GB Notification: Performance of matching and sorting (n=1700) (initialization_lambda0): time 1.263/8.616, allocations: 145.1 MB / 2.925 GB, free: 0.6121 GB / 1.529 GB Notification: Performance of prepare postOptimizeDAE: time 7.503e-05/8.616, allocations: 52.61 kB / 2.925 GB, free: 0.6121 GB / 1.529 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001049/8.616, allocations: 52.77 kB / 2.925 GB, free: 0.612 GB / 1.529 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5867/9.202, allocations: 118.9 MB / 3.041 GB, free: 0.5018 GB / 1.529 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01918/9.222, allocations: 3.79 MB / 3.045 GB, free: 0.4981 GB / 1.529 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.161/9.383, allocations: 88.21 MB / 3.131 GB, free: 421.8 MB / 1.529 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2235/9.606, allocations: 10.68 MB / 3.142 GB, free: 411.1 MB / 1.529 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008038/9.614, allocations: 1.664 MB / 3.143 GB, free: 409.4 MB / 1.529 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 231 * 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 (1196): * Single equations (assignments): 1166 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 12 * 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 0.01121/9.626, allocations: 0.784 MB / 3.144 GB, free: 408.7 MB / 1.529 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.01093/9.637, allocations: 1.617 MB / 3.146 GB, free: 407.9 MB / 1.529 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2266/9.863, allocations: 68.71 MB / 3.213 GB, free: 339.5 MB / 1.529 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2467/10.11, allocations: 83.2 MB / 3.294 GB, free: 256.3 MB / 1.529 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001728/10.11, allocations: 31.94 kB / 3.294 GB, free: 256.2 MB / 1.529 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.231/10.34, allocations: 82.11 MB / 3.374 GB, free: 174 MB / 1.529 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.9792/11.32, allocations: 216.1 MB / 3.585 GB, free: 0.6093 GB / 1.529 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001056/11.32, allocations: 5.625 kB / 3.585 GB, free: 0.6093 GB / 1.529 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01369/11.33, allocations: 2.243 MB / 3.587 GB, free: 0.6092 GB / 1.529 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.574/11.91, allocations: 144.9 MB / 3.729 GB, free: 0.5206 GB / 1.529 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00515/11.91, allocations: 0.818 MB / 3.73 GB, free: 0.5198 GB / 1.529 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1328/12.05, allocations: 72.11 MB / 3.8 GB, free: 460.1 MB / 1.529 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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2347:10-2347:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2264:9-2264:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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:4689:9-4689:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins1/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]