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 0.007098/0.007098, allocations: 99.56 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 0.001389/0.001389, allocations: 193.2 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.406/1.406, allocations: 222.9 MB / 240.4 MB, free: 4.18 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.603/2.603, allocations: 437 MB / 0.7105 GB, free: 4.875 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.00125/0.00125, allocations: 63.91 kB / 1.019 GB, free: 14.48 MB / 0.7794 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4076/0.4088, allocations: 151.6 MB / 1.167 GB, free: 6.742 MB / 0.92 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 1.201/1.61, allocations: 357.7 MB / 1.516 GB, free: 15.96 MB / 1.186 GB Notification: Performance of NFInst.instExpressions: time 0.1249/1.735, allocations: 75.86 MB / 1.59 GB, free: 3.93 MB / 1.248 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.02092/1.756, allocations: 433.5 kB / 1.59 GB, free: 3.504 MB / 1.248 GB Notification: Performance of NFTyping.typeComponents: time 0.02287/1.779, allocations: 6.556 MB / 1.597 GB, free: 12.91 MB / 1.264 GB Notification: Performance of NFTyping.typeBindings: time 0.04906/1.828, allocations: 14.75 MB / 1.611 GB, free: 14.12 MB / 1.279 GB Notification: Performance of NFTyping.typeClassSections: time 0.02858/1.856, allocations: 10.2 MB / 1.621 GB, free: 3.992 MB / 1.279 GB Notification: Performance of NFFlatten.flatten: time 0.1163/1.973, allocations: 74.39 MB / 1.694 GB, free: 9.461 MB / 1.357 GB Notification: Performance of NFFlatten.resolveConnections: time 0.04231/2.015, allocations: 20.08 MB / 1.713 GB, free: 5.223 MB / 1.373 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0414/2.056, allocations: 17.49 MB / 1.731 GB, free: 3.707 MB / 1.389 GB Notification: Performance of NFSimplifyModel.simplify: time 0.04112/2.098, allocations: 16.43 MB / 1.747 GB, free: 3.211 MB / 1.404 GB Notification: Performance of NFPackage.collectConstants: time 0.01148/2.109, allocations: 1.969 MB / 1.749 GB, free: 1.242 MB / 1.404 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02933/2.138, allocations: 6.066 MB / 1.754 GB, free: 11.17 MB / 1.42 GB Notification: Performance of NFScalarize.scalarize: time 0.01909/2.158, allocations: 6.527 MB / 1.761 GB, free: 4.621 MB / 1.42 GB Notification: Performance of NFVerifyModel.verify: time 0.03/2.188, allocations: 11.22 MB / 1.772 GB, free: 9.352 MB / 1.436 GB Notification: Performance of NFConvertDAE.convert: time 0.0613/2.249, allocations: 31.27 MB / 1.802 GB, free: 9.969 MB / 1.467 GB Notification: Performance of FrontEnd - DAE generated: time 6.862e-06/2.249, allocations: 4 kB / 1.802 GB, free: 9.965 MB / 1.467 GB Notification: Performance of FrontEnd: time 1.312e-06/2.249, allocations: 4 kB / 1.802 GB, free: 9.961 MB / 1.467 GB Notification: Performance of Transformations before backend: time 0.001231/2.25, allocations: 0 / 1.802 GB, free: 9.961 MB / 1.467 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 1.377/3.627, allocations: 24.57 MB / 1.826 GB, free: 0.5056 GB / 1.467 GB Notification: Performance of prepare preOptimizeDAE: time 3.919e-05/3.627, allocations: 9.438 kB / 1.826 GB, free: 0.5056 GB / 1.467 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01991/3.647, allocations: 3.289 MB / 1.83 GB, free: 0.5045 GB / 1.467 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.05699/3.704, allocations: 21.02 MB / 1.85 GB, free: 0.4965 GB / 1.467 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001159/3.705, allocations: 0.672 MB / 1.851 GB, free: 0.4962 GB / 1.467 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00661/3.712, allocations: 0.9439 MB / 1.852 GB, free: 0.4959 GB / 1.467 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04215/3.754, allocations: 17.1 MB / 1.868 GB, free: 499.7 MB / 1.467 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002647/3.754, allocations: 14.28 kB / 1.868 GB, free: 499.7 MB / 1.467 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002497/3.757, allocations: 332.3 kB / 1.869 GB, free: 499.4 MB / 1.467 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005453/3.758, allocations: 370.7 kB / 1.869 GB, free: 499.4 MB / 1.467 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04484/3.802, allocations: 21.55 MB / 1.89 GB, free: 489.4 MB / 1.467 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 0.139/3.941, allocations: 83.01 MB / 1.971 GB, free: 405.6 MB / 1.467 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02462/3.966, allocations: 13.32 MB / 1.984 GB, free: 392.6 MB / 1.467 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01403/3.98, allocations: 9.791 MB / 1.994 GB, free: 382.9 MB / 1.467 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 0.07335/4.054, allocations: 35.54 MB / 2.028 GB, free: 347.3 MB / 1.467 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01624/4.07, allocations: 10.25 MB / 2.038 GB, free: 337 MB / 1.467 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02229/4.092, allocations: 5.841 MB / 2.044 GB, free: 331.5 MB / 1.467 GB Notification: Performance of pre-optimization done (n=588): time 3.87e-05/4.092, allocations: 0 / 2.044 GB, free: 331.5 MB / 1.467 GB Notification: Performance of matching and sorting (n=880): time 0.9648/5.057, allocations: 240.3 MB / 2.279 GB, free: 89.96 MB / 1.467 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 0.1153/5.172, allocations: 55.33 MB / 2.333 GB, free: 32.87 MB / 1.467 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03019/5.203, allocations: 17.79 MB / 2.35 GB, free: 15.17 MB / 1.467 GB Notification: Performance of collectPreVariables (initialization): time 0.004358/5.207, allocations: 225.7 kB / 2.35 GB, free: 14.95 MB / 1.467 GB Notification: Performance of collectInitialEqns (initialization): time 0.007726/5.215, allocations: 7.804 MB / 2.358 GB, free: 7.117 MB / 1.467 GB Notification: Performance of collectInitialBindings (initialization): time 0.01141/5.226, allocations: 3.347 MB / 2.361 GB, free: 3.742 MB / 1.467 GB Notification: Performance of simplifyInitialFunctions (initialization): time 1.204/6.43, allocations: 4.545 MB / 2.366 GB, free: 469.7 MB / 1.467 GB Notification: Performance of setup shared object (initialization): time 4.53e-05/6.43, allocations: 302.3 kB / 2.366 GB, free: 469.4 MB / 1.467 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.04846/6.478, allocations: 25.63 MB / 2.391 GB, free: 467.3 MB / 1.467 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.04693/6.525, allocations: 28.49 MB / 2.419 GB, free: 457.1 MB / 1.467 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.07349/6.599, allocations: 46.84 MB / 2.465 GB, free: 441.3 MB / 1.467 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001147/6.599, allocations: 19.53 kB / 2.465 GB, free: 441.3 MB / 1.467 GB Notification: Performance of matching and sorting (n=1652) (initialization): time 0.6359/7.235, allocations: 146.1 MB / 2.607 GB, free: 305.1 MB / 1.467 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001119/7.235, allocations: 49.7 kB / 2.607 GB, free: 305 MB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.509e-05/7.235, allocations: 52 kB / 2.607 GB, free: 305 MB / 1.467 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.572/7.807, allocations: 119.8 MB / 2.724 GB, free: 185.6 MB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02118/7.828, allocations: 3.798 MB / 2.728 GB, free: 181.8 MB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1701/7.998, allocations: 84.3 MB / 2.81 GB, free: 97.39 MB / 1.467 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2109/8.209, allocations: 10.61 MB / 2.821 GB, free: 86.78 MB / 1.467 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.009317/8.219, allocations: 1.668 MB / 2.822 GB, free: 85.11 MB / 1.467 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.05012/8.269, allocations: 29.03 MB / 2.851 GB, free: 56.05 MB / 1.467 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.04085/8.31, allocations: 27.96 MB / 2.878 GB, free: 27.05 MB / 1.467 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.9085/9.218, allocations: 45.77 MB / 2.923 GB, free: 476.9 MB / 1.498 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.852e-05/9.218, allocations: 14.62 kB / 2.923 GB, free: 476.9 MB / 1.498 GB Notification: Performance of matching and sorting (n=1652) (initialization_lambda0): time 0.6463/9.865, allocations: 144.4 MB / 3.064 GB, free: 430.8 MB / 1.498 GB Notification: Performance of prepare postOptimizeDAE: time 9.076e-05/9.865, allocations: 51.89 kB / 3.064 GB, free: 430.7 MB / 1.498 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001018/9.865, allocations: 56.08 kB / 3.064 GB, free: 430.7 MB / 1.498 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5846/10.45, allocations: 118.8 MB / 3.18 GB, free: 312.2 MB / 1.498 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01923/10.47, allocations: 3.751 MB / 3.184 GB, free: 308.5 MB / 1.498 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.16/10.63, allocations: 88.2 MB / 3.27 GB, free: 220.3 MB / 1.498 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.219/10.85, allocations: 10.66 MB / 3.28 GB, free: 209.6 MB / 1.498 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007156/10.86, allocations: 1.633 MB / 3.282 GB, free: 208 MB / 1.498 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 0.008894/10.86, allocations: 0.7825 MB / 3.283 GB, free: 207.2 MB / 1.498 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009193/10.87, allocations: 1.708 MB / 3.284 GB, free: 206.5 MB / 1.498 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2216/11.09, allocations: 68.69 MB / 3.351 GB, free: 138 MB / 1.498 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.3311/11.43, allocations: 83.19 MB / 3.433 GB, free: 54.93 MB / 1.498 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0002339/11.43, allocations: 32 kB / 3.433 GB, free: 54.9 MB / 1.498 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.027/12.45, allocations: 82.07 MB / 3.513 GB, free: 462 MB / 1.498 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.4028/12.86, allocations: 216.1 MB / 3.724 GB, free: 327.4 MB / 1.498 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001095/12.86, allocations: 7.938 kB / 3.724 GB, free: 327.4 MB / 1.498 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01364/12.87, allocations: 2.234 MB / 3.726 GB, free: 325.2 MB / 1.498 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5657/13.44, allocations: 144.7 MB / 3.867 GB, free: 180.8 MB / 1.498 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.005963/13.44, allocations: 0.8073 MB / 3.868 GB, free: 179.9 MB / 1.498 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1419/13.58, allocations: 72.12 MB / 3.938 GB, free: 107.8 MB / 1.498 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]