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 10.1.0-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-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 0.001199/0.001199, allocations: 104.6 kB / 16.35 MB, free: 5.828 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001216/0.001216, allocations: 193.2 kB / 17.29 MB, free: 5.484 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.363/1.363, allocations: 222.9 MB / 241 MB, free: 15.09 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.0-maint.10.0.x/package.mo): time 2.475/2.475, allocations: 437.1 MB / 0.7112 GB, free: 4.367 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.001439/0.001439, allocations: 68.55 kB / 0.8707 GB, free: 1.469 MB / 0.6387 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2893/0.2907, allocations: 151.6 MB / 1.019 GB, free: 9.883 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.7637/1.055, allocations: 357.7 MB / 1.368 GB, free: 3.086 MB / 1.061 GB Notification: Performance of NFInst.instExpressions: time 0.1032/1.158, allocations: 75.87 MB / 1.442 GB, free: 7.043 MB / 1.139 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01669/1.174, allocations: 433.5 kB / 1.443 GB, free: 6.617 MB / 1.139 GB Notification: Performance of NFTyping.typeComponents: time 0.04291/1.217, allocations: 23.47 MB / 1.466 GB, free: 15.1 MB / 1.17 GB Notification: Performance of NFTyping.typeBindings: time 0.0406/1.258, allocations: 14.03 MB / 1.479 GB, free: 1.02 MB / 1.17 GB Notification: Performance of NFTyping.typeClassSections: time 0.0269/1.285, allocations: 10.16 MB / 1.489 GB, free: 6.926 MB / 1.186 GB Notification: Performance of NFFlatten.flatten: time 1.176/2.461, allocations: 74.13 MB / 1.562 GB, free: 104.5 MB / 1.233 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03035/2.491, allocations: 20 MB / 1.581 GB, free: 102.7 MB / 1.233 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03539/2.527, allocations: 17.03 MB / 1.598 GB, free: 102.2 MB / 1.233 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02985/2.557, allocations: 16.39 MB / 1.614 GB, free: 100 MB / 1.233 GB Notification: Performance of NFPackage.collectConstants: time 0.009035/2.566, allocations: 1.963 MB / 1.616 GB, free: 100 MB / 1.233 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02014/2.586, allocations: 6.05 MB / 1.622 GB, free: 99.96 MB / 1.233 GB Notification: Performance of NFScalarize.scalarize: time 0.01167/2.597, allocations: 6.509 MB / 1.628 GB, free: 99.22 MB / 1.233 GB Notification: Performance of NFVerifyModel.verify: time 0.02666/2.624, allocations: 11.2 MB / 1.639 GB, free: 96.31 MB / 1.233 GB Notification: Performance of NFConvertDAE.convert: time 0.04395/2.668, allocations: 31.07 MB / 1.669 GB, free: 89.95 MB / 1.233 GB Notification: Performance of FrontEnd - DAE generated: time 6.322e-06/2.668, allocations: 3.656 kB / 1.669 GB, free: 89.95 MB / 1.233 GB Notification: Performance of FrontEnd: time 1.953e-06/2.668, allocations: 0 / 1.669 GB, free: 89.95 MB / 1.233 GB Notification: Performance of Transformations before backend: time 0.0008755/2.669, allocations: 0 / 1.669 GB, free: 89.95 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 0.07479/2.744, allocations: 23.87 MB / 1.692 GB, free: 77.79 MB / 1.233 GB Notification: Performance of prepare preOptimizeDAE: time 4.145e-05/2.744, allocations: 14.02 kB / 1.693 GB, free: 77.78 MB / 1.233 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01832/2.762, allocations: 3.185 MB / 1.696 GB, free: 76.27 MB / 1.233 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04497/2.807, allocations: 20.38 MB / 1.716 GB, free: 63.39 MB / 1.233 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007472/2.808, allocations: 0.6716 MB / 1.716 GB, free: 63.01 MB / 1.233 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005511/2.814, allocations: 0.9415 MB / 1.717 GB, free: 62.36 MB / 1.233 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04339/2.857, allocations: 17.11 MB / 1.734 GB, free: 50.43 MB / 1.233 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004838/2.858, allocations: 11.56 kB / 1.734 GB, free: 50.43 MB / 1.233 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004676/2.862, allocations: 328.7 kB / 1.734 GB, free: 50.36 MB / 1.233 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003407/2.863, allocations: 377.6 kB / 1.734 GB, free: 50.01 MB / 1.233 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03838/2.901, allocations: 21.54 MB / 1.756 GB, free: 32.5 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 0.1505/3.051, allocations: 82.85 MB / 1.836 GB, free: 11.61 MB / 1.295 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02664/3.078, allocations: 13.31 MB / 1.849 GB, free: 14.55 MB / 1.311 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0174/3.096, allocations: 9.794 MB / 1.859 GB, free: 4.742 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 0.08155/3.177, allocations: 35.51 MB / 1.894 GB, free: 0.957 MB / 1.342 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02101/3.198, allocations: 10.25 MB / 1.904 GB, free: 6.637 MB / 1.358 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02334/3.222, allocations: 5.811 MB / 1.909 GB, free: 0.9844 MB / 1.358 GB Notification: Performance of pre-optimization done (n=588): time 3.748e-05/3.222, allocations: 7.469 kB / 1.909 GB, free: 0.9805 MB / 1.358 GB Notification: Performance of matching and sorting (n=880): time 1.533/4.755, allocations: 239.8 MB / 2.144 GB, free: 0.6479 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 0.1407/4.896, allocations: 55.26 MB / 2.197 GB, free: 0.6133 GB / 1.529 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.04356/4.939, allocations: 17.34 MB / 2.214 GB, free: 0.605 GB / 1.529 GB Notification: Performance of collectPreVariables (initialization): time 0.005771/4.945, allocations: 228.9 kB / 2.215 GB, free: 0.6049 GB / 1.529 GB Notification: Performance of collectInitialEqns (initialization): time 0.01213/4.957, allocations: 7.718 MB / 2.222 GB, free: 0.5997 GB / 1.529 GB Notification: Performance of collectInitialBindings (initialization): time 0.01352/4.971, allocations: 3.193 MB / 2.225 GB, free: 0.5984 GB / 1.529 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.02072/4.992, allocations: 4.541 MB / 2.23 GB, free: 0.5961 GB / 1.529 GB Notification: Performance of setup shared object (initialization): time 4.7e-05/4.992, allocations: 301.1 kB / 2.23 GB, free: 0.5958 GB / 1.529 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03537/5.027, allocations: 25.64 MB / 2.255 GB, free: 0.5724 GB / 1.529 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.04001/5.067, allocations: 28.5 MB / 2.283 GB, free: 0.5436 GB / 1.529 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.07007/5.137, allocations: 46.84 MB / 2.329 GB, free: 0.497 GB / 1.529 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.363e-05/5.137, allocations: 16 kB / 2.329 GB, free: 0.497 GB / 1.529 GB Notification: Performance of matching and sorting (n=1652) (initialization): time 0.58/5.717, allocations: 146 MB / 2.471 GB, free: 362.8 MB / 1.529 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001236/5.718, allocations: 53.7 kB / 2.471 GB, free: 362.7 MB / 1.529 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001003/5.718, allocations: 48.88 kB / 2.471 GB, free: 362.7 MB / 1.529 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5477/6.265, allocations: 119.8 MB / 2.588 GB, free: 242.9 MB / 1.529 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0207/6.286, allocations: 3.798 MB / 2.592 GB, free: 239.1 MB / 1.529 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.165/6.451, allocations: 84.29 MB / 2.674 GB, free: 154.4 MB / 1.529 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1756/6.627, allocations: 10.6 MB / 2.685 GB, free: 143.8 MB / 1.529 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007259/6.634, allocations: 1.665 MB / 2.686 GB, free: 142.1 MB / 1.529 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.044/6.678, allocations: 29.03 MB / 2.715 GB, free: 113.1 MB / 1.529 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03547/6.714, allocations: 27.96 MB / 2.742 GB, free: 84.06 MB / 1.529 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06647/6.78, allocations: 45.77 MB / 2.787 GB, free: 37.49 MB / 1.529 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.64e-05/6.78, allocations: 12 kB / 2.787 GB, free: 37.48 MB / 1.529 GB Notification: Performance of matching and sorting (n=1652) (initialization_lambda0): time 1.156/7.937, allocations: 144.3 MB / 2.928 GB, free: 0.6115 GB / 1.529 GB Notification: Performance of prepare postOptimizeDAE: time 0.000103/7.937, allocations: 53.05 kB / 2.928 GB, free: 0.6114 GB / 1.529 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001295/7.937, allocations: 53.41 kB / 2.928 GB, free: 0.6114 GB / 1.529 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5427/8.48, allocations: 118.8 MB / 3.044 GB, free: 0.5023 GB / 1.529 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01866/8.498, allocations: 3.762 MB / 3.047 GB, free: 0.4986 GB / 1.529 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1636/8.662, allocations: 88.16 MB / 3.134 GB, free: 422.4 MB / 1.529 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1745/8.836, allocations: 10.66 MB / 3.144 GB, free: 411.7 MB / 1.529 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007397/8.844, allocations: 1.633 MB / 3.146 GB, free: 410.1 MB / 1.529 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 0.009465/8.853, allocations: 0.7685 MB / 3.146 GB, free: 409.4 MB / 1.529 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008218/8.862, allocations: 1.62 MB / 3.148 GB, free: 408.6 MB / 1.529 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1988/9.06, allocations: 68.68 MB / 3.215 GB, free: 340.2 MB / 1.529 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2177/9.278, allocations: 83.18 MB / 3.296 GB, free: 257 MB / 1.529 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001109/9.278, allocations: 35.94 kB / 3.296 GB, free: 256.9 MB / 1.529 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.257/9.535, allocations: 82.07 MB / 3.376 GB, free: 174.8 MB / 1.529 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.9295/10.46, allocations: 216 MB / 3.587 GB, free: 0.6099 GB / 1.529 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001071/10.47, allocations: 0 / 3.587 GB, free: 0.6099 GB / 1.529 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01333/10.48, allocations: 2.241 MB / 3.59 GB, free: 0.6098 GB / 1.529 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5307/11.01, allocations: 144.7 MB / 3.731 GB, free: 0.5223 GB / 1.529 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004131/11.01, allocations: 0.8205 MB / 3.732 GB, free: 0.5215 GB / 1.529 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1211/11.13, allocations: 72.09 MB / 3.802 GB, free: 461.9 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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2348:10-2348:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2265:9-2265:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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]