Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified1.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="Buildings_10_Buildings_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="Buildings_10_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 0.001461/0.001461, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001731/0.001732, allocations: 194.3 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.288/1.288, allocations: 222.9 MB / 240.2 MB, free: 4.41 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.433/2.433, allocations: 437 MB / 0.7104 GB, free: 5.117 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.00126/0.00126, allocations: 67.91 kB / 0.8693 GB, free: 4.617 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5652/0.5664, allocations: 151.6 MB / 1.017 GB, free: 2.555 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.7946/1.361, allocations: 357.7 MB / 1.367 GB, free: 39.91 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.08728/1.448, allocations: 75.85 MB / 1.441 GB, free: 9.262 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01416/1.463, allocations: 433.5 kB / 1.441 GB, free: 8.836 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.04101/1.504, allocations: 23.48 MB / 1.464 GB, free: 1.305 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.03879/1.542, allocations: 14.04 MB / 1.478 GB, free: 3.219 MB / 1.045 GB Notification: Performance of NFTyping.typeClassSections: time 0.02317/1.566, allocations: 10.03 MB / 1.488 GB, free: 9.254 MB / 1.061 GB Notification: Performance of NFFlatten.flatten: time 0.08471/1.65, allocations: 66.79 MB / 1.553 GB, free: 6.43 MB / 1.123 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02801/1.678, allocations: 20.02 MB / 1.572 GB, free: 2.258 MB / 1.139 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03238/1.711, allocations: 16.98 MB / 1.589 GB, free: 1.258 MB / 1.154 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02594/1.737, allocations: 16.37 MB / 1.605 GB, free: 0.8281 MB / 1.17 GB Notification: Performance of NFPackage.collectConstants: time 0.007194/1.744, allocations: 1.969 MB / 1.607 GB, free: 14.86 MB / 1.186 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01956/1.764, allocations: 6.632 MB / 1.613 GB, free: 8.219 MB / 1.186 GB Notification: Performance of NFScalarize.scalarize: time 0.01082/1.774, allocations: 6.511 MB / 1.62 GB, free: 1.688 MB / 1.186 GB Notification: Performance of NFVerifyModel.verify: time 0.02094/1.795, allocations: 11.29 MB / 1.631 GB, free: 6.344 MB / 1.201 GB Notification: Performance of NFConvertDAE.convert: time 0.0401/1.836, allocations: 31.59 MB / 1.662 GB, free: 6.668 MB / 1.232 GB Notification: Performance of FrontEnd - DAE generated: time 1.159e-05/1.836, allocations: 4 kB / 1.662 GB, free: 6.664 MB / 1.232 GB Notification: Performance of FrontEnd: time 1.523e-06/1.836, allocations: 0 / 1.662 GB, free: 6.664 MB / 1.232 GB Notification: Performance of Transformations before backend: time 0.0008406/1.836, allocations: 0 / 1.662 GB, free: 6.664 MB / 1.232 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2045 * Number of variables: 2045 Notification: Performance of Generate backend data structure: time 0.06352/1.9, allocations: 24.12 MB / 1.685 GB, free: 14.34 MB / 1.264 GB Notification: Performance of prepare preOptimizeDAE: time 4.46e-05/1.9, allocations: 8.031 kB / 1.685 GB, free: 14.33 MB / 1.264 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003949/1.904, allocations: 1.049 MB / 1.686 GB, free: 13.27 MB / 1.264 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0174/1.921, allocations: 3.196 MB / 1.689 GB, free: 10.05 MB / 1.264 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04216/1.964, allocations: 21.84 MB / 1.711 GB, free: 4.082 MB / 1.279 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007741/1.964, allocations: 0.702 MB / 1.711 GB, free: 3.379 MB / 1.279 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004419/1.969, allocations: 0.9527 MB / 1.712 GB, free: 2.426 MB / 1.279 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03793/2.007, allocations: 17.13 MB / 1.729 GB, free: 1.082 MB / 1.295 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002238/2.007, allocations: 11.88 kB / 1.729 GB, free: 1.07 MB / 1.295 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002376/2.009, allocations: 332 kB / 1.729 GB, free: 0.7461 MB / 1.295 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003326/2.01, allocations: 367.3 kB / 1.73 GB, free: 396 kB / 1.295 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.5504/2.56, allocations: 21.55 MB / 1.751 GB, free: 0.4886 GB / 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 0.1262/2.686, allocations: 83.97 MB / 1.833 GB, free: 443.3 MB / 1.311 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01936/2.706, allocations: 13.32 MB / 1.846 GB, free: 435.9 MB / 1.311 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01209/2.718, allocations: 9.799 MB / 1.855 GB, free: 429.1 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 evalFunc (simulation): time 0.05964/2.778, allocations: 35.86 MB / 1.89 GB, free: 393.5 MB / 1.311 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01514/2.793, allocations: 10.26 MB / 1.9 GB, free: 383.2 MB / 1.311 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02/2.813, allocations: 5.828 MB / 1.906 GB, free: 378.1 MB / 1.311 GB Notification: Performance of pre-optimization done (n=588): time 3.096e-05/2.813, allocations: 0 / 1.906 GB, free: 378.1 MB / 1.311 GB Notification: Performance of matching and sorting (n=880): time 0.942/3.755, allocations: 240 MB / 2.14 GB, free: 137.2 MB / 1.311 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 0.1071/3.862, allocations: 55.31 MB / 2.194 GB, free: 80.27 MB / 1.311 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02325/3.885, allocations: 20.11 MB / 2.214 GB, free: 60.26 MB / 1.311 GB Notification: Performance of collectPreVariables (initialization): time 0.003714/3.889, allocations: 229.7 kB / 2.214 GB, free: 60.03 MB / 1.311 GB Notification: Performance of collectInitialEqns (initialization): time 0.006328/3.895, allocations: 7.757 MB / 2.222 GB, free: 52.29 MB / 1.311 GB Notification: Performance of collectInitialBindings (initialization): time 0.01064/3.906, allocations: 3.2 MB / 2.225 GB, free: 49.12 MB / 1.311 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01012/3.916, allocations: 4.63 MB / 2.23 GB, free: 44.47 MB / 1.311 GB Notification: Performance of setup shared object (initialization): time 3.418e-05/3.916, allocations: 309.1 kB / 2.23 GB, free: 44.17 MB / 1.311 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03198/3.948, allocations: 25.96 MB / 2.255 GB, free: 18.18 MB / 1.311 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.5464/4.495, allocations: 28.87 MB / 2.283 GB, free: 454.4 MB / 1.311 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.07537/4.57, allocations: 47.51 MB / 2.33 GB, free: 440.4 MB / 1.311 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001211/4.57, allocations: 18.34 kB / 2.33 GB, free: 440.4 MB / 1.311 GB Notification: Performance of matching and sorting (n=1700) (initialization): time 0.6258/5.196, allocations: 146.8 MB / 2.473 GB, free: 325.2 MB / 1.311 GB Notification: Performance of prepare postOptimizeDAE: time 7.97e-05/5.196, allocations: 58.48 kB / 2.473 GB, free: 325.1 MB / 1.311 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.957e-05/5.196, allocations: 52 kB / 2.473 GB, free: 325.1 MB / 1.311 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5957/5.792, allocations: 119.9 MB / 2.59 GB, free: 205.6 MB / 1.311 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01849/5.81, allocations: 3.833 MB / 2.594 GB, free: 201.7 MB / 1.311 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.132/5.942, allocations: 84.32 MB / 2.676 GB, free: 117.3 MB / 1.311 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2363/6.179, allocations: 10.63 MB / 2.687 GB, free: 106.7 MB / 1.311 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006261/6.185, allocations: 1.702 MB / 2.688 GB, free: 105 MB / 1.311 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04086/6.226, allocations: 29.37 MB / 2.717 GB, free: 75.6 MB / 1.311 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03473/6.261, allocations: 28.34 MB / 2.745 GB, free: 46.21 MB / 1.311 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.5717/6.833, allocations: 46.44 MB / 2.79 GB, free: 434.7 MB / 1.311 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.325e-05/6.833, allocations: 15.88 kB / 2.79 GB, free: 434.7 MB / 1.311 GB Notification: Performance of matching and sorting (n=1700) (initialization_lambda0): time 0.6172/7.45, allocations: 145.1 MB / 2.932 GB, free: 342.2 MB / 1.311 GB Notification: Performance of prepare postOptimizeDAE: time 6.282e-05/7.45, allocations: 57.69 kB / 2.932 GB, free: 342.2 MB / 1.311 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.981e-05/7.45, allocations: 52.88 kB / 2.932 GB, free: 342.1 MB / 1.311 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5928/8.043, allocations: 118.9 MB / 3.048 GB, free: 223.6 MB / 1.311 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01832/8.061, allocations: 3.798 MB / 3.052 GB, free: 219.8 MB / 1.311 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1439/8.205, allocations: 88.21 MB / 3.138 GB, free: 131.5 MB / 1.311 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2365/8.442, allocations: 10.69 MB / 3.148 GB, free: 120.8 MB / 1.311 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006945/8.449, allocations: 1.66 MB / 3.15 GB, free: 119.2 MB / 1.311 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 (1196): * Single equations (assignments): 1166 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 12 * 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 0.0064/8.455, allocations: 0.7861 MB / 3.151 GB, free: 118.4 MB / 1.311 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006793/8.462, allocations: 1.629 MB / 3.152 GB, free: 117.7 MB / 1.311 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2243/8.686, allocations: 68.71 MB / 3.219 GB, free: 49.12 MB / 1.311 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.7458/9.432, allocations: 83.2 MB / 3.301 GB, free: 414.5 MB / 1.311 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.956e-05/9.432, allocations: 29.72 kB / 3.301 GB, free: 414.5 MB / 1.311 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2277/9.66, allocations: 82.09 MB / 3.381 GB, free: 368 MB / 1.311 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3675/10.03, allocations: 216.4 MB / 3.592 GB, free: 152 MB / 1.311 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.855e-05/10.03, allocations: 8.031 kB / 3.592 GB, free: 152 MB / 1.311 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01299/10.04, allocations: 2.242 MB / 3.594 GB, free: 149.7 MB / 1.311 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.068/11.11, allocations: 144.9 MB / 3.736 GB, free: 420.7 MB / 1.311 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003805/11.11, allocations: 0.8116 MB / 3.737 GB, free: 420.7 MB / 1.311 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1293/11.24, allocations: 72.11 MB / 3.807 GB, free: 403.6 MB / 1.311 GB Warning: The linear system: 1 : valNorth1[3].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth1[2].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p [ 1.0 , -1.0 ; 1.0 , -1.0 ] * [ valSouth1[1].port_b.p ; valNorth1[2].port_a.p ] = [ -valNorth1[3].dp ; -valNorth1[2].dp ] might be structurally or numerically singular for variable valNorth1[2].port_a.p since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 2 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse374 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1[1].m_flow ; tabsSouth1[2].m_flow ] = [ pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ; tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valNorth1[2].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth1[3].dp = valNorth1[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valNorth1[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valNorth1[2].dp ; -valNorth1[3].dp ] might be structurally or numerically singular for variable valSouth1[1].port_b.p since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 2 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse374 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1[1].m_flow ; tabsSouth1[2].m_flow ] = [ pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ; tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2347:10-2347:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2264:9-2264:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($STATESET1.x[32],$STATESET1.x[31],$STATESET1.x[30],$STATESET1.x[29],$STATESET1.x[28],$STATESET1.x[27],$STATESET1.x[26],$STATESET1.x[25],$STATESET1.x[24],$STATESET1.x[23],$STATESET1.x[22],$STATESET1.x[21],$STATESET1.x[20],$STATESET1.x[19],$STATESET1.x[18],$STATESET1.x[17],$STATESET1.x[16],$STATESET1.x[15],$STATESET1.x[14],$STATESET1.x[13],$STATESET1.x[12],$STATESET1.x[11],$STATESET1.x[10],$STATESET1.x[9],$STATESET1.x[8],$STATESET1.x[7],$STATESET1.x[6],$STATESET1.x[5],$STATESET1.x[4],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpSouth.filter.s[1],pmpNorth.vol.dynBal.U,pmpNorth.filter.s[1],valSouth1[1].filter.s[1],valSouth1[2].filter.s[1],valSouth1[3].filter.s[1],valSouth1[4].filter.s[1],valSouth2[1].filter.s[1],valSouth2[2].filter.s[1],valSouth2[3].filter.s[1],valSouth2[4].filter.s[1],valSouth2[5].filter.s[1],valSouth2[6].filter.s[1],valSouth2[7].filter.s[1],valSouth2[8].filter.s[1],valNorth1[1].filter.s[1],valNorth1[2].filter.s[1],valNorth1[3].filter.s[1],valNorth1[4].filter.s[1],valNorth2[1].filter.s[1],valNorth2[2].filter.s[1],valNorth2[3].filter.s[1],valNorth2[4].filter.s[1],valNorth2[5].filter.s[1],valNorth2[6].filter.s[1],valNorth2[7].filter.s[1],valNorth2[8].filter.s[1],valSouth.vol.dynBal.U,valSouth.filter.s[1],valNorth.vol.dynBal.U,valNorth.filter.s[1],spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,pumpHea.filter.s[1],valHea.filter.s[1],valCoo.filter.s[1],spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U,pumpCoo.filter.s[1]) * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count) * Number of discrete states: 1 (stepValve.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (631): * Single equations (assignments): 608 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 6 systems {1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(28,28,89.3%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(36,81), (1,1), (63,191)} [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4689:9-4689:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:803:5-803:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]