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/Complex 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) 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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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) 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/Complex 4.0.0+maint.om/package.mo): time 0.0015/0.0015, allocations: 181.8 kB / 15.98 MB, free: 5.77 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.7414/0.7414, allocations: 133.3 MB / 150.1 MB, free: 11.14 MB / 122.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.375/1.375, allocations: 222.9 MB / 404.7 MB, free: 6.078 MB / 314.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001095/0.001095, allocations: 99.52 kB / 485.9 MB, free: 7.25 MB / 394.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0014/0.0014, allocations: 55.92 kB / 0.5636 GB, free: 69.93 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1703/0.1717, allocations: 80.43 MB / 0.6421 GB, free: 5.438 MB / 442.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.FlowSystem.Simplified1): time 0.9924/1.164, allocations: 353 MB / 0.9868 GB, free: 48.93 MB / 0.6823 GB Notification: Performance of NFInst.instExpressions: time 0.08094/1.245, allocations: 73 MB / 1.058 GB, free: 45.08 MB / 0.6823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01327/1.259, allocations: 396.4 kB / 1.059 GB, free: 45.08 MB / 0.6823 GB Notification: Performance of NFTyping.typeComponents: time 0.01355/1.272, allocations: 4.423 MB / 1.063 GB, free: 43.86 MB / 0.6823 GB Notification: Performance of NFTyping.typeBindings: time 0.03091/1.303, allocations: 12.53 MB / 1.075 GB, free: 36.82 MB / 0.6823 GB Notification: Performance of NFTyping.typeClassSections: time 0.01983/1.323, allocations: 8.888 MB / 1.084 GB, free: 31.33 MB / 0.6823 GB Notification: Performance of NFFlatten.flatten: time 0.04074/1.364, allocations: 48.59 MB / 1.131 GB, free: 3.148 MB / 0.698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02293/1.387, allocations: 17.54 MB / 1.148 GB, free: 2.203 MB / 0.7136 GB Notification: Performance of NFEvalConstants.evaluate: time 0.02871/1.415, allocations: 14.71 MB / 1.163 GB, free: 4.156 MB / 0.7292 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02591/1.441, allocations: 15.76 MB / 1.178 GB, free: 5.582 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.006671/1.448, allocations: 1.215 MB / 1.179 GB, free: 4.367 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01787/1.466, allocations: 4.88 MB / 1.184 GB, free: 15.74 MB / 0.7605 GB Notification: Performance of NFScalarize.scalarize: time 0.008816/1.475, allocations: 5.111 MB / 1.189 GB, free: 10.86 MB / 0.7605 GB Notification: Performance of NFVerifyModel.verify: time 0.02027/1.495, allocations: 9.527 MB / 1.198 GB, free: 1.52 MB / 0.7605 GB Notification: Performance of NFConvertDAE.convert: time 0.04255/1.538, allocations: 27.99 MB / 1.226 GB, free: 6.598 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 5.3e-06/1.538, allocations: 0 / 1.226 GB, free: 6.598 MB / 0.7917 GB Notification: Performance of FrontEnd: time 1.783e-06/1.538, allocations: 0 / 1.226 GB, free: 6.598 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 0.0008255/1.539, allocations: 0 / 1.226 GB, free: 6.598 MB / 0.7917 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 0.06023/1.599, allocations: 22.15 MB / 1.247 GB, free: 0.5234 MB / 0.8073 GB Notification: Performance of prepare preOptimizeDAE: time 3.976e-05/1.599, allocations: 8.031 kB / 1.247 GB, free: 0.5156 MB / 0.8073 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01112/1.61, allocations: 2.239 MB / 1.249 GB, free: 14.25 MB / 0.823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.8595/2.47, allocations: 15.55 MB / 1.265 GB, free: 129.8 MB / 0.823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001121/2.471, allocations: 0.681 MB / 1.265 GB, free: 129.7 MB / 0.823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005803/2.477, allocations: 0.9297 MB / 1.266 GB, free: 129.7 MB / 0.823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04757/2.524, allocations: 16.45 MB / 1.282 GB, free: 129 MB / 0.823 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0006591/2.525, allocations: 15.81 kB / 1.282 GB, free: 129 MB / 0.823 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005618/2.53, allocations: 327.7 kB / 1.283 GB, free: 129 MB / 0.823 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006483/2.531, allocations: 368.9 kB / 1.283 GB, free: 129 MB / 0.823 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04199/2.573, allocations: 20.92 MB / 1.303 GB, free: 128.9 MB / 0.823 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 0.1324/2.706, allocations: 80.48 MB / 1.382 GB, free: 79.9 MB / 0.823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01774/2.723, allocations: 12.71 MB / 1.394 GB, free: 67.46 MB / 0.823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.012/2.735, allocations: 9.499 MB / 1.404 GB, free: 57.95 MB / 0.823 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 0.07037/2.806, allocations: 34.4 MB / 1.437 GB, free: 23.58 MB / 0.823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.016/2.822, allocations: 9.709 MB / 1.447 GB, free: 13.8 MB / 0.823 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02528/2.847, allocations: 8.557 MB / 1.455 GB, free: 5.664 MB / 0.823 GB Notification: Performance of pre-optimization done (n=576): time 3.101e-05/2.847, allocations: 0 / 1.455 GB, free: 5.664 MB / 0.823 GB Notification: Performance of matching and sorting (n=868): time 1.617/4.464, allocations: 236.6 MB / 1.686 GB, free: 439.1 MB / 0.9638 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 0.1254/4.589, allocations: 54.47 MB / 1.739 GB, free: 388.9 MB / 0.9638 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02615/4.615, allocations: 14.8 MB / 1.754 GB, free: 374.3 MB / 0.9638 GB Notification: Performance of collectPreVariables (initialization): time 0.005145/4.621, allocations: 237.6 kB / 1.754 GB, free: 374 MB / 0.9638 GB Notification: Performance of collectInitialEqns (initialization): time 0.007989/4.629, allocations: 7.202 MB / 1.761 GB, free: 368.1 MB / 0.9638 GB Notification: Performance of collectInitialBindings (initialization): time 0.01186/4.641, allocations: 3.128 MB / 1.764 GB, free: 365.5 MB / 0.9638 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0165/4.657, allocations: 4.093 MB / 1.768 GB, free: 361.4 MB / 0.9638 GB Notification: Performance of setup shared object (initialization): time 4.699e-05/4.657, allocations: 301.1 kB / 1.768 GB, free: 361.1 MB / 0.9638 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03239/4.69, allocations: 24.24 MB / 1.792 GB, free: 336.8 MB / 0.9638 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0333/4.723, allocations: 26.86 MB / 1.818 GB, free: 308.9 MB / 0.9638 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06276/4.786, allocations: 44.29 MB / 1.862 GB, free: 263.9 MB / 0.9638 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.186e-05/4.786, allocations: 12 kB / 1.862 GB, free: 263.8 MB / 0.9638 GB Notification: Performance of matching and sorting (n=1384) (initialization): time 0.6353/5.421, allocations: 142.8 MB / 2.001 GB, free: 120.9 MB / 0.9638 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001433/5.421, allocations: 61.73 kB / 2.001 GB, free: 120.8 MB / 0.9638 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001253/5.422, allocations: 52 kB / 2.001 GB, free: 120.8 MB / 0.9638 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.033/6.455, allocations: 119.8 MB / 2.118 GB, free: 444.1 MB / 0.9638 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02018/6.475, allocations: 3.512 MB / 2.122 GB, free: 444.1 MB / 0.9638 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1513/6.627, allocations: 79.99 MB / 2.2 GB, free: 416.2 MB / 0.9638 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2229/6.849, allocations: 10.89 MB / 2.21 GB, free: 410.4 MB / 0.9638 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007039/6.856, allocations: 1.635 MB / 2.212 GB, free: 409.3 MB / 0.9638 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04021/6.897, allocations: 27.27 MB / 2.239 GB, free: 382.5 MB / 0.9638 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03302/6.93, allocations: 26.39 MB / 2.264 GB, free: 355 MB / 0.9638 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06294/6.993, allocations: 43.36 MB / 2.307 GB, free: 310.9 MB / 0.9638 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.728e-05/6.993, allocations: 16 kB / 2.307 GB, free: 310.9 MB / 0.9638 GB Notification: Performance of matching and sorting (n=1384) (initialization_lambda0): time 0.6167/7.61, allocations: 141.2 MB / 2.445 GB, free: 170.4 MB / 0.9638 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001068/7.61, allocations: 57.69 kB / 2.445 GB, free: 170.4 MB / 0.9638 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.52e-05/7.61, allocations: 48 kB / 2.445 GB, free: 170.3 MB / 0.9638 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5832/8.193, allocations: 118.8 MB / 2.561 GB, free: 51.89 MB / 0.9638 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01779/8.211, allocations: 3.474 MB / 2.564 GB, free: 48.41 MB / 0.9638 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4719/8.683, allocations: 83.49 MB / 2.646 GB, free: 424.8 MB / 0.9638 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2244/8.907, allocations: 10.91 MB / 2.656 GB, free: 424.3 MB / 0.9638 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006319/8.914, allocations: 1.605 MB / 2.658 GB, free: 424.2 MB / 0.9638 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 (1024): * Single equations (assignments): 1006 * 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 0.005677/8.919, allocations: 0.7386 MB / 2.659 GB, free: 423.8 MB / 0.9638 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006034/8.925, allocations: 1.47 MB / 2.66 GB, free: 423.8 MB / 0.9638 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2194/9.145, allocations: 67.96 MB / 2.726 GB, free: 381 MB / 0.9638 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2507/9.395, allocations: 82.62 MB / 2.807 GB, free: 298.4 MB / 0.9638 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0003086/9.396, allocations: 31.94 kB / 2.807 GB, free: 298.4 MB / 0.9638 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.227/9.623, allocations: 81.48 MB / 2.887 GB, free: 216.9 MB / 0.9638 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 postOpt removeSimpleEquations (simulation): time 0.7047/10.33, allocations: 206.3 MB / 3.088 GB, free: 425.5 MB / 0.9638 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.994e-05/10.33, allocations: 2.344 kB / 3.088 GB, free: 425.5 MB / 0.9638 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01363/10.34, allocations: 2.141 MB / 3.09 GB, free: 425.4 MB / 0.9638 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.6055/10.95, allocations: 144.7 MB / 3.232 GB, free: 352.2 MB / 0.9638 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00501/10.95, allocations: 0.8026 MB / 3.232 GB, free: 351.5 MB / 0.9638 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1281/11.08, allocations: 69.46 MB / 3.3 GB, free: 282.8 MB / 0.9638 GB Warning: The linear system: 1 : valSouth2[1].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p 2 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valSouth2[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valSouth2[1].dp ; -valSouth2[4].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 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p 2 : valSouth2[1].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valSouth2[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valSouth2[4].dp ; -valSouth2[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 : 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[1].m_flow ; tabsSouth1[2].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[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@2/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2314:10-2314:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2231:9-2231:79:writable] Error: Internal error function createJacobian failed 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@2/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2314:10-2314:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2231:9-2231:79:writable] Error: Internal error function createJacobian failed Error: post-optimization module symbolicJacobian (simulation) failed.