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: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="Buildings_9_Buildings_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="Buildings_9_Buildings_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004581/0.004582, allocations: 102.4 kB / 15.73 MB, free: 6.008 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00111/0.00111, allocations: 198.5 kB / 16.68 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.262/1.262, allocations: 222.9 MB / 240.4 MB, free: 15.09 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.133/2.133, allocations: 390.3 MB / 0.6648 GB, free: 0.6406 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001221/0.001221, allocations: 67.91 kB / 0.9504 GB, free: 8.133 MB / 0.7325 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7559/0.7571, allocations: 140.4 MB / 1.087 GB, free: 5.266 MB / 0.8575 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.3508/1.108, allocations: 355.6 MB / 1.435 GB, free: 9.672 MB / 1.17 GB Notification: Performance of NFInst.instExpressions: time 0.09943/1.207, allocations: 72.95 MB / 1.506 GB, free: 0.5352 MB / 1.232 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01636/1.224, allocations: 425.5 kB / 1.506 GB, free: 120 kB / 1.232 GB Notification: Performance of NFTyping.typeComponents: time 0.01566/1.24, allocations: 5.311 MB / 1.512 GB, free: 10.77 MB / 1.248 GB Notification: Performance of NFTyping.typeBindings: time 0.04161/1.281, allocations: 13.53 MB / 1.525 GB, free: 13.2 MB / 1.264 GB Notification: Performance of NFTyping.typeClassSections: time 0.02499/1.306, allocations: 9.771 MB / 1.534 GB, free: 3.496 MB / 1.264 GB Notification: Performance of NFFlatten.flatten: time 0.04668/1.353, allocations: 37.67 MB / 1.571 GB, free: 13.73 MB / 1.311 GB Notification: Performance of NFFlatten.resolveConnections: time 1.35/2.703, allocations: 19.81 MB / 1.59 GB, free: 77.39 MB / 1.311 GB Notification: Performance of NFEvalConstants.evaluate: time 0.04145/2.745, allocations: 16.76 MB / 1.607 GB, free: 77.38 MB / 1.311 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0341/2.779, allocations: 15.89 MB / 1.622 GB, free: 75.48 MB / 1.311 GB Notification: Performance of NFPackage.collectConstants: time 0.01086/2.79, allocations: 1.873 MB / 1.624 GB, free: 75.48 MB / 1.311 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02398/2.814, allocations: 5.711 MB / 1.63 GB, free: 75.48 MB / 1.311 GB Notification: Performance of NFScalarize.scalarize: time 0.01148/2.825, allocations: 5.805 MB / 1.635 GB, free: 74.81 MB / 1.311 GB Notification: Performance of NFVerifyModel.verify: time 0.02547/2.851, allocations: 10.41 MB / 1.646 GB, free: 72.13 MB / 1.311 GB Notification: Performance of NFConvertDAE.convert: time 0.04836/2.899, allocations: 29.1 MB / 1.674 GB, free: 68.68 MB / 1.311 GB Notification: Performance of FrontEnd - DAE generated: time 9.508e-06/2.899, allocations: 2.406 kB / 1.674 GB, free: 68.68 MB / 1.311 GB Notification: Performance of FrontEnd: time 1.984e-06/2.899, allocations: 3.281 kB / 1.674 GB, free: 68.68 MB / 1.311 GB Notification: Performance of Transformations before backend: time 0.0009122/2.9, allocations: 0 / 1.674 GB, free: 68.68 MB / 1.311 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 0.07111/2.971, allocations: 22.27 MB / 1.696 GB, free: 60.7 MB / 1.311 GB Notification: Performance of prepare preOptimizeDAE: time 4.381e-05/2.971, allocations: 8.375 kB / 1.696 GB, free: 60.7 MB / 1.311 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.005427/2.977, allocations: 1.045 MB / 1.697 GB, free: 60.61 MB / 1.311 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01617/2.993, allocations: 2.585 MB / 1.699 GB, free: 59.61 MB / 1.311 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04033/3.033, allocations: 18.14 MB / 1.717 GB, free: 55.99 MB / 1.311 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000717/3.034, allocations: 0.6669 MB / 1.718 GB, free: 55.98 MB / 1.311 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.006256/3.04, allocations: 0.9314 MB / 1.719 GB, free: 55.96 MB / 1.311 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03671/3.077, allocations: 16.55 MB / 1.735 GB, free: 50.99 MB / 1.311 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002405/3.077, allocations: 14.33 kB / 1.735 GB, free: 50.99 MB / 1.311 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002178/3.079, allocations: 332.5 kB / 1.735 GB, free: 50.98 MB / 1.311 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002722/3.08, allocations: 367.3 kB / 1.735 GB, free: 50.95 MB / 1.311 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03412/3.114, allocations: 21.07 MB / 1.756 GB, free: 47.77 MB / 1.311 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.1329/3.247, allocations: 81.76 MB / 1.836 GB, free: 9.754 MB / 1.342 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02117/3.268, allocations: 12.82 MB / 1.848 GB, free: 13.18 MB / 1.358 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01517/3.283, allocations: 9.586 MB / 1.858 GB, free: 3.574 MB / 1.358 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 0.08437/3.368, allocations: 34.74 MB / 1.892 GB, free: 0.5625 MB / 1.389 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01899/3.387, allocations: 9.787 MB / 1.901 GB, free: 6.703 MB / 1.404 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02195/3.409, allocations: 5.764 MB / 1.907 GB, free: 1.098 MB / 1.404 GB Notification: Performance of pre-optimization done (n=572): time 3.036e-05/3.409, allocations: 3.094 kB / 1.907 GB, free: 1.098 MB / 1.404 GB Notification: Performance of matching and sorting (n=864): time 1.055/4.463, allocations: 239.1 MB / 2.14 GB, free: 1.012 MB / 1.639 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 0.7128/5.176, allocations: 55.25 MB / 2.194 GB, free: 0.7082 GB / 1.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03756/5.214, allocations: 17.62 MB / 2.211 GB, free: 0.7039 GB / 1.67 GB Notification: Performance of collectPreVariables (initialization): time 0.00484/5.219, allocations: 229.2 kB / 2.212 GB, free: 0.7037 GB / 1.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.01008/5.229, allocations: 7.155 MB / 2.219 GB, free: 0.6996 GB / 1.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.01277/5.242, allocations: 3.114 MB / 2.222 GB, free: 0.6989 GB / 1.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.02196/5.264, allocations: 4.09 MB / 2.226 GB, free: 0.6981 GB / 1.67 GB Notification: Performance of setup shared object (initialization): time 4.756e-05/5.264, allocations: 305.8 kB / 2.226 GB, free: 0.6978 GB / 1.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.04161/5.305, allocations: 24.33 MB / 2.25 GB, free: 0.6913 GB / 1.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.04001/5.345, allocations: 26.94 MB / 2.276 GB, free: 0.6819 GB / 1.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06796/5.413, allocations: 44.42 MB / 2.319 GB, free: 0.6672 GB / 1.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.132e-05/5.413, allocations: 16 kB / 2.319 GB, free: 0.6672 GB / 1.67 GB Notification: Performance of matching and sorting (n=1380) (initialization): time 0.6292/6.043, allocations: 143 MB / 2.459 GB, free: 0.5315 GB / 1.67 GB Notification: Performance of prepare postOptimizeDAE: time 7.859e-05/6.043, allocations: 53.7 kB / 2.459 GB, free: 0.5314 GB / 1.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.487e-05/6.043, allocations: 51.94 kB / 2.459 GB, free: 0.5314 GB / 1.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.617/6.66, allocations: 119.8 MB / 2.576 GB, free: 424.4 MB / 1.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01988/6.68, allocations: 3.544 MB / 2.58 GB, free: 420.8 MB / 1.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1419/6.822, allocations: 84.02 MB / 2.662 GB, free: 336.4 MB / 1.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2279/7.05, allocations: 10.52 MB / 2.672 GB, free: 325.8 MB / 1.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007286/7.057, allocations: 1.637 MB / 2.674 GB, free: 324.2 MB / 1.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04149/7.099, allocations: 27.36 MB / 2.7 GB, free: 296.8 MB / 1.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03377/7.132, allocations: 26.48 MB / 2.726 GB, free: 269.3 MB / 1.67 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06215/7.194, allocations: 43.5 MB / 2.769 GB, free: 225 MB / 1.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.247e-05/7.195, allocations: 20 kB / 2.769 GB, free: 225 MB / 1.67 GB Notification: Performance of matching and sorting (n=1380) (initialization_lambda0): time 0.6379/7.832, allocations: 141.4 MB / 2.907 GB, free: 83.46 MB / 1.67 GB Notification: Performance of prepare postOptimizeDAE: time 6.079e-05/7.833, allocations: 53.7 kB / 2.907 GB, free: 83.4 MB / 1.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.368e-05/7.833, allocations: 52.12 kB / 2.907 GB, free: 83.35 MB / 1.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.15/8.982, allocations: 118.8 MB / 3.023 GB, free: 0.6832 GB / 1.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01924/9.002, allocations: 3.499 MB / 3.026 GB, free: 0.6832 GB / 1.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1543/9.156, allocations: 88.23 MB / 3.112 GB, free: 0.6526 GB / 1.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2335/9.39, allocations: 10.54 MB / 3.123 GB, free: 0.6466 GB / 1.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.01067/9.4, allocations: 1.6 MB / 3.124 GB, free: 0.6456 GB / 1.67 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 0.009882/9.41, allocations: 0.7377 MB / 3.125 GB, free: 0.645 GB / 1.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008848/9.419, allocations: 1.48 MB / 3.127 GB, free: 0.645 GB / 1.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2415/9.661, allocations: 68.15 MB / 3.193 GB, free: 0.5825 GB / 1.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2537/9.914, allocations: 82.79 MB / 3.274 GB, free: 0.5017 GB / 1.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001281/9.915, allocations: 28 kB / 3.274 GB, free: 0.5017 GB / 1.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2422/10.16, allocations: 81.67 MB / 3.354 GB, free: 432.1 MB / 1.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3581/10.51, allocations: 206.5 MB / 3.555 GB, free: 225.6 MB / 1.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.135e-05/10.51, allocations: 0 / 3.555 GB, free: 225.6 MB / 1.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.013/10.53, allocations: 2.181 MB / 3.558 GB, free: 223.4 MB / 1.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.6113/11.14, allocations: 144.7 MB / 3.699 GB, free: 78.63 MB / 1.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00396/11.14, allocations: 0.8064 MB / 3.7 GB, free: 77.82 MB / 1.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.7377/11.88, allocations: 71.8 MB / 3.77 GB, free: 0.6883 GB / 1.67 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]