Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(IDEAS.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified1") translateModel(IDEAS.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001262/0.001262, allocations: 100.3 kB / 16.35 MB, free: 5.824 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001245/0.001245, allocations: 193.2 kB / 17.29 MB, free: 5.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.282/1.282, allocations: 222.9 MB / 241 MB, free: 14.97 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.7752/0.7752, allocations: 135.1 MB / 426.3 MB, free: 4.094 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001477/0.001477, allocations: 63.91 kB / 0.5067 GB, free: 7.648 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3606/0.3621, allocations: 80.91 MB / 0.5858 GB, free: 25.51 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.FlowSystem.Simplified1): time 0.618/0.9801, allocations: 355.5 MB / 0.9329 GB, free: 0.6133 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.0979/1.078, allocations: 72.84 MB / 1.004 GB, free: 7.602 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01331/1.091, allocations: 429.5 kB / 1.004 GB, free: 7.18 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.01555/1.107, allocations: 5.313 MB / 1.01 GB, free: 1.84 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.03565/1.143, allocations: 13.5 MB / 1.023 GB, free: 4.293 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.3988/1.541, allocations: 9.734 MB / 1.032 GB, free: 24.11 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.04686/1.588, allocations: 37.62 MB / 1.069 GB, free: 24.05 MB / 0.7325 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02937/1.618, allocations: 19.83 MB / 1.088 GB, free: 21.96 MB / 0.7325 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0385/1.656, allocations: 16.77 MB / 1.105 GB, free: 20.66 MB / 0.7325 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02972/1.686, allocations: 15.89 MB / 1.12 GB, free: 18.2 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.008215/1.694, allocations: 1.871 MB / 1.122 GB, free: 16.32 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02201/1.716, allocations: 5.715 MB / 1.128 GB, free: 12.77 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.009821/1.726, allocations: 5.804 MB / 1.133 GB, free: 10.27 MB / 0.7325 GB Notification: Performance of NFVerifyModel.verify: time 0.02073/1.747, allocations: 10.34 MB / 1.144 GB, free: 3.52 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.04158/1.789, allocations: 28.84 MB / 1.172 GB, free: 13.55 MB / 0.7637 GB Notification: Performance of FrontEnd - DAE generated: time 6.382e-06/1.789, allocations: 4 kB / 1.172 GB, free: 13.55 MB / 0.7637 GB Notification: Performance of FrontEnd: time 2.044e-06/1.789, allocations: 0 / 1.172 GB, free: 13.55 MB / 0.7637 GB Notification: Performance of Transformations before backend: time 0.0009295/1.79, allocations: 0 / 1.172 GB, free: 13.55 MB / 0.7637 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2029 * Number of variables: 2029 Notification: Performance of Generate backend data structure: time 0.06839/1.858, allocations: 22.12 MB / 1.193 GB, free: 7.598 MB / 0.7794 GB Notification: Performance of prepare preOptimizeDAE: time 4.879e-05/1.858, allocations: 13.11 kB / 1.193 GB, free: 7.586 MB / 0.7794 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01423/1.872, allocations: 2.227 MB / 1.195 GB, free: 5.336 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04341/1.916, allocations: 15.85 MB / 1.211 GB, free: 5.965 MB / 0.795 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007953/1.917, allocations: 0.6687 MB / 1.212 GB, free: 5.305 MB / 0.795 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005781/1.922, allocations: 0.9249 MB / 1.213 GB, free: 4.387 MB / 0.795 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04668/1.969, allocations: 16.45 MB / 1.229 GB, free: 3.762 MB / 0.8106 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003797/1.969, allocations: 18.75 kB / 1.229 GB, free: 3.75 MB / 0.8106 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004623/1.974, allocations: 326.6 kB / 1.229 GB, free: 3.438 MB / 0.8106 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004285/1.975, allocations: 367.1 kB / 1.229 GB, free: 3.082 MB / 0.8106 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04207/2.017, allocations: 20.89 MB / 1.25 GB, free: 14.23 MB / 0.8419 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 0.1397/2.156, allocations: 80.8 MB / 1.329 GB, free: 11.08 MB / 0.92 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02082/2.177, allocations: 12.65 MB / 1.341 GB, free: 14.68 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01505/2.192, allocations: 9.484 MB / 1.35 GB, free: 5.176 MB / 0.9356 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 0.6678/2.86, allocations: 34.4 MB / 1.384 GB, free: 458.9 MB / 0.9357 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01548/2.876, allocations: 9.692 MB / 1.393 GB, free: 454 MB / 0.9357 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01899/2.895, allocations: 5.763 MB / 1.399 GB, free: 452.2 MB / 0.9357 GB Notification: Performance of pre-optimization done (n=572): time 3.913e-05/2.895, allocations: 0 / 1.399 GB, free: 452.2 MB / 0.9357 GB Notification: Performance of matching and sorting (n=864): time 0.8776/3.772, allocations: 238.6 MB / 1.632 GB, free: 224.2 MB / 0.9357 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 0.1232/3.896, allocations: 55.24 MB / 1.686 GB, free: 167.4 MB / 0.9357 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02733/3.923, allocations: 14.91 MB / 1.7 GB, free: 152.6 MB / 0.9357 GB Notification: Performance of collectPreVariables (initialization): time 0.004303/3.927, allocations: 236.6 kB / 1.701 GB, free: 152.4 MB / 0.9357 GB Notification: Performance of collectInitialEqns (initialization): time 0.006812/3.934, allocations: 7.115 MB / 1.708 GB, free: 145.3 MB / 0.9357 GB Notification: Performance of collectInitialBindings (initialization): time 0.01079/3.945, allocations: 3.114 MB / 1.711 GB, free: 142.2 MB / 0.9357 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01432/3.959, allocations: 4.086 MB / 1.715 GB, free: 138.2 MB / 0.9357 GB Notification: Performance of setup shared object (initialization): time 3.651e-05/3.959, allocations: 305.1 kB / 1.715 GB, free: 137.9 MB / 0.9357 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03039/3.99, allocations: 24.24 MB / 1.739 GB, free: 113.6 MB / 0.9357 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03188/4.022, allocations: 26.85 MB / 1.765 GB, free: 85.71 MB / 0.9357 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06141/4.083, allocations: 44.26 MB / 1.808 GB, free: 40.64 MB / 0.9357 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.59e-05/4.083, allocations: 16 kB / 1.808 GB, free: 40.62 MB / 0.9357 GB Notification: Performance of matching and sorting (n=1380) (initialization): time 1.157/5.24, allocations: 142.8 MB / 1.947 GB, free: 381.3 MB / 0.9358 GB Notification: Performance of prepare postOptimizeDAE: time 6.612e-05/5.24, allocations: 53.7 kB / 1.947 GB, free: 381.2 MB / 0.9358 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.254e-05/5.24, allocations: 52 kB / 1.948 GB, free: 381.2 MB / 0.9358 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5376/5.777, allocations: 119.8 MB / 2.065 GB, free: 261.7 MB / 0.9358 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01797/5.795, allocations: 3.509 MB / 2.068 GB, free: 258.2 MB / 0.9358 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1325/5.928, allocations: 84.02 MB / 2.15 GB, free: 174 MB / 0.9358 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1699/6.098, allocations: 10.47 MB / 2.16 GB, free: 163.5 MB / 0.9358 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005884/6.104, allocations: 1.641 MB / 2.162 GB, free: 161.9 MB / 0.9358 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03771/6.142, allocations: 27.26 MB / 2.188 GB, free: 134.6 MB / 0.9358 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03155/6.173, allocations: 26.39 MB / 2.214 GB, free: 107.2 MB / 0.9358 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06196/6.235, allocations: 43.34 MB / 2.257 GB, free: 63.07 MB / 0.9358 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.881e-05/6.235, allocations: 16 kB / 2.257 GB, free: 63.05 MB / 0.9358 GB Notification: Performance of matching and sorting (n=1380) (initialization_lambda0): time 0.8662/7.101, allocations: 141.2 MB / 2.394 GB, free: 389.5 MB / 0.9358 GB Notification: Performance of prepare postOptimizeDAE: time 9.027e-05/7.102, allocations: 52.33 kB / 2.395 GB, free: 389.5 MB / 0.9358 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.178e-05/7.102, allocations: 50.5 kB / 2.395 GB, free: 389.5 MB / 0.9358 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5417/7.643, allocations: 118.8 MB / 2.511 GB, free: 272.8 MB / 0.9358 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01753/7.661, allocations: 3.47 MB / 2.514 GB, free: 269.3 MB / 0.9358 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1545/7.815, allocations: 88.24 MB / 2.6 GB, free: 181 MB / 0.9358 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.17/7.986, allocations: 10.51 MB / 2.61 GB, free: 170.5 MB / 0.9358 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006372/7.992, allocations: 1.606 MB / 2.612 GB, free: 168.8 MB / 0.9358 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 (1020): * Single equations (assignments): 1002 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 0 * 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 0.007538/7.999, allocations: 0.7311 MB / 2.613 GB, free: 168.1 MB / 0.9358 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007218/8.007, allocations: 1.472 MB / 2.614 GB, free: 167.4 MB / 0.9358 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1914/8.198, allocations: 67.94 MB / 2.681 GB, free: 99.53 MB / 0.9358 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.5343/8.732, allocations: 82.62 MB / 2.761 GB, free: 381.8 MB / 0.9358 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001124/8.733, allocations: 29.06 kB / 2.761 GB, free: 381.8 MB / 0.9358 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2109/8.944, allocations: 81.51 MB / 2.841 GB, free: 369 MB / 0.9358 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.334/9.278, allocations: 206.1 MB / 3.042 GB, free: 191.3 MB / 0.9358 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001305/9.278, allocations: 0 / 3.042 GB, free: 191.3 MB / 0.9358 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01225/9.29, allocations: 2.146 MB / 3.044 GB, free: 189.2 MB / 0.9358 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5179/9.808, allocations: 144.7 MB / 3.185 GB, free: 44.66 MB / 0.9358 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004034/9.812, allocations: 0.8064 MB / 3.186 GB, free: 43.85 MB / 0.9358 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.452/10.26, allocations: 71.79 MB / 3.256 GB, free: 392.4 MB / 0.9358 GB Warning: The linear system: 1 : valNorth2[3].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth2[1].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valNorth2[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valNorth2[3].dp ; -valNorth2[1].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. Warning: The linear system: 1 : valNorth2[1].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth2[3].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p [ 1.0 , -1.0 ; 1.0 , -1.0 ] * [ valSouth1[1].port_b.p ; valNorth2[2].port_a.p ] = [ -valNorth2[1].dp ; -valNorth2[3].dp ] might be structurally or numerically singular for variable valNorth2[2].port_a.p since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : 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 2 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ tabsSouth1[2].m_flow ; tabsSouth1[1].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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2348:10-2348:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2265:9-2265:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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 (615): * Single equations (assignments): 592 * 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), (62,192)} [/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]