Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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_9_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_9_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 0.00146/0.00146, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001855/0.001855, allocations: 190.9 kB / 16.13 MB, free: 6.645 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.431/1.431, allocations: 222.9 MB / 239.8 MB, free: 4.598 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.417/2.417, allocations: 390.2 MB / 0.6642 GB, free: 0.6719 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001367/0.001367, allocations: 59.91 kB / 0.8118 GB, free: 14.91 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7013/0.7027, allocations: 140.4 MB / 0.9489 GB, free: 9.172 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.8809/1.584, allocations: 353.1 MB / 1.294 GB, free: 59.81 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.08485/1.669, allocations: 73.09 MB / 1.365 GB, free: 56.41 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01893/1.688, allocations: 395.8 kB / 1.365 GB, free: 56.41 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.01618/1.704, allocations: 4.425 MB / 1.37 GB, free: 55.42 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.03742/1.741, allocations: 12.56 MB / 1.382 GB, free: 49.06 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.02235/1.764, allocations: 8.911 MB / 1.391 GB, free: 43.54 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.04616/1.81, allocations: 48.4 MB / 1.438 GB, free: 2.453 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0302/1.84, allocations: 17.53 MB / 1.455 GB, free: 1.512 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03159/1.872, allocations: 14.54 MB / 1.469 GB, free: 3.637 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02838/1.9, allocations: 15.77 MB / 1.485 GB, free: 5.043 MB / 1.045 GB Notification: Performance of NFPackage.collectConstants: time 0.007319/1.907, allocations: 1.211 MB / 1.486 GB, free: 3.832 MB / 1.045 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0186/1.926, allocations: 4.874 MB / 1.491 GB, free: 15.21 MB / 1.061 GB Notification: Performance of NFScalarize.scalarize: time 0.00929/1.935, allocations: 5.11 MB / 1.496 GB, free: 10.32 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.02395/1.959, allocations: 9.531 MB / 1.505 GB, free: 0.9766 MB / 1.061 GB Notification: Performance of NFConvertDAE.convert: time 0.03944/1.999, allocations: 27.99 MB / 1.532 GB, free: 6.055 MB / 1.092 GB Notification: Performance of FrontEnd - DAE generated: time 6.442e-06/1.999, allocations: 0 / 1.532 GB, free: 6.055 MB / 1.092 GB Notification: Performance of FrontEnd: time 1.433e-06/1.999, allocations: 0 / 1.532 GB, free: 6.055 MB / 1.092 GB Notification: Performance of Transformations before backend: time 0.000784/2, allocations: 4 kB / 1.532 GB, free: 6.051 MB / 1.092 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 0.06099/2.061, allocations: 22.14 MB / 1.554 GB, free: 15.97 MB / 1.123 GB Notification: Performance of prepare preOptimizeDAE: time 4.351e-05/2.061, allocations: 8.031 kB / 1.554 GB, free: 15.96 MB / 1.123 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01415/2.075, allocations: 2.582 MB / 1.556 GB, free: 13.36 MB / 1.123 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04024/2.115, allocations: 15.69 MB / 1.572 GB, free: 13.95 MB / 1.139 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007682/2.116, allocations: 0.6784 MB / 1.572 GB, free: 13.27 MB / 1.139 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004637/2.121, allocations: 0.9281 MB / 1.573 GB, free: 12.35 MB / 1.139 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04213/2.163, allocations: 16.57 MB / 1.59 GB, free: 11.6 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002978/2.163, allocations: 11.94 kB / 1.59 GB, free: 11.59 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003542/2.167, allocations: 328.4 kB / 1.59 GB, free: 11.27 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004/2.167, allocations: 367.2 kB / 1.59 GB, free: 10.91 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04089/2.208, allocations: 21.11 MB / 1.611 GB, free: 5.793 MB / 1.17 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 0.1488/2.357, allocations: 80.74 MB / 1.69 GB, free: 2.082 MB / 1.248 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02573/2.383, allocations: 12.89 MB / 1.702 GB, free: 5.445 MB / 1.264 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01649/2.399, allocations: 9.593 MB / 1.712 GB, free: 11.84 MB / 1.279 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 1.002/3.401, allocations: 34.49 MB / 1.745 GB, free: 0.4985 GB / 1.279 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02167/3.423, allocations: 9.815 MB / 1.755 GB, free: 0.4952 GB / 1.279 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02923/3.452, allocations: 8.562 MB / 1.763 GB, free: 0.4931 GB / 1.279 GB Notification: Performance of pre-optimization done (n=576): time 5.138e-05/3.452, allocations: 0 / 1.763 GB, free: 0.4931 GB / 1.279 GB Notification: Performance of matching and sorting (n=868): time 0.9405/4.392, allocations: 237.1 MB / 1.995 GB, free: 286.4 MB / 1.279 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 0.1398/4.532, allocations: 54.48 MB / 2.048 GB, free: 230.4 MB / 1.279 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03234/4.565, allocations: 14.82 MB / 2.062 GB, free: 215.7 MB / 1.279 GB Notification: Performance of collectPreVariables (initialization): time 0.005231/4.57, allocations: 221.7 kB / 2.063 GB, free: 215.5 MB / 1.279 GB Notification: Performance of collectInitialEqns (initialization): time 0.008655/4.579, allocations: 7.201 MB / 2.07 GB, free: 208.3 MB / 1.279 GB Notification: Performance of collectInitialBindings (initialization): time 0.01258/4.591, allocations: 3.128 MB / 2.073 GB, free: 205.2 MB / 1.279 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.02073/4.612, allocations: 4.102 MB / 2.077 GB, free: 201.1 MB / 1.279 GB Notification: Performance of setup shared object (initialization): time 5.343e-05/4.612, allocations: 301.1 kB / 2.077 GB, free: 200.8 MB / 1.279 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0371/4.649, allocations: 24.33 MB / 2.101 GB, free: 176.5 MB / 1.279 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0375/4.687, allocations: 26.94 MB / 2.127 GB, free: 148.5 MB / 1.279 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0697/4.757, allocations: 44.45 MB / 2.17 GB, free: 103.2 MB / 1.279 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.329e-05/4.757, allocations: 19.94 kB / 2.171 GB, free: 103.2 MB / 1.279 GB Notification: Performance of matching and sorting (n=1384) (initialization): time 1.58/6.337, allocations: 143 MB / 2.31 GB, free: 465.2 MB / 1.28 GB Notification: Performance of prepare postOptimizeDAE: time 0.000133/6.337, allocations: 54.61 kB / 2.31 GB, free: 465.1 MB / 1.28 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001109/6.337, allocations: 50.78 kB / 2.31 GB, free: 465.1 MB / 1.28 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.562/6.899, allocations: 119.8 MB / 2.427 GB, free: 379.5 MB / 1.28 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0194/6.919, allocations: 3.558 MB / 2.431 GB, free: 376.1 MB / 1.28 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1658/7.085, allocations: 79.99 MB / 2.509 GB, free: 296 MB / 1.28 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1791/7.264, allocations: 10.92 MB / 2.519 GB, free: 285.1 MB / 1.28 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.009432/7.273, allocations: 1.637 MB / 2.521 GB, free: 283.4 MB / 1.28 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04478/7.318, allocations: 27.35 MB / 2.548 GB, free: 256.1 MB / 1.28 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03651/7.355, allocations: 26.48 MB / 2.574 GB, free: 228.6 MB / 1.28 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06542/7.42, allocations: 43.53 MB / 2.616 GB, free: 184.2 MB / 1.28 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.912e-05/7.42, allocations: 12 kB / 2.616 GB, free: 184.2 MB / 1.28 GB Notification: Performance of matching and sorting (n=1384) (initialization_lambda0): time 0.5807/8.001, allocations: 141.4 MB / 2.754 GB, free: 43.46 MB / 1.28 GB Notification: Performance of prepare postOptimizeDAE: time 9.694e-05/8.001, allocations: 53.7 kB / 2.754 GB, free: 43.4 MB / 1.28 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.319e-05/8.001, allocations: 52 kB / 2.754 GB, free: 43.35 MB / 1.28 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.117/9.118, allocations: 118.8 MB / 2.87 GB, free: 440.1 MB / 1.28 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01731/9.135, allocations: 3.508 MB / 2.874 GB, free: 438.9 MB / 1.28 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1792/9.315, allocations: 83.49 MB / 2.955 GB, free: 362.9 MB / 1.28 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1785/9.493, allocations: 10.94 MB / 2.966 GB, free: 352 MB / 1.28 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007483/9.501, allocations: 1.605 MB / 2.968 GB, free: 350.4 MB / 1.28 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 0.01098/9.512, allocations: 0.7367 MB / 2.968 GB, free: 349.7 MB / 1.28 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009364/9.521, allocations: 1.471 MB / 2.97 GB, free: 349 MB / 1.28 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2238/9.745, allocations: 68.16 MB / 3.036 GB, free: 281 MB / 1.28 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.233/9.978, allocations: 82.78 MB / 3.117 GB, free: 198.2 MB / 1.28 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0003213/9.978, allocations: 32 kB / 3.117 GB, free: 198.1 MB / 1.28 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2238/10.2, allocations: 81.66 MB / 3.197 GB, free: 116.4 MB / 1.28 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 0.9422/11.14, allocations: 206.5 MB / 3.399 GB, free: 421.9 MB / 1.28 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001185/11.14, allocations: 0 / 3.399 GB, free: 421.9 MB / 1.28 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01316/11.16, allocations: 2.179 MB / 3.401 GB, free: 421.8 MB / 1.28 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5595/11.72, allocations: 144.7 MB / 3.542 GB, free: 285.6 MB / 1.28 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004375/11.72, allocations: 0.8025 MB / 3.543 GB, free: 284.8 MB / 1.28 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1234/11.84, allocations: 69.45 MB / 3.611 GB, free: 215.3 MB / 1.28 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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2314:10-2314:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2231:9-2231:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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 (619): * Single equations (assignments): 596 * 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), (61,193)} [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4614:9-4614:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:774:5-774:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]