Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(IBPSA.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="IBPSA_latest_IBPSA_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 0.001274/0.001274, allocations: 102.7 kB / 16.27 MB, free: 6 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001213/0.001213, allocations: 186.1 kB / 17.2 MB, free: 5.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.27/1.27, allocations: 222.9 MB / 240.9 MB, free: 15.27 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7166/0.7166, allocations: 122.9 MB / 413.9 MB, free: 15.97 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001248/0.001248, allocations: 63.91 kB / 0.4912 GB, free: 7.434 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2852/0.2865, allocations: 77.92 MB / 0.5673 GB, free: 32.59 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified1): time 0.5287/0.8152, allocations: 357.7 MB / 0.9166 GB, free: 10.16 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.09849/0.9137, allocations: 75.86 MB / 0.9906 GB, free: 14.13 MB / 0.7012 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01342/0.9271, allocations: 437.5 kB / 0.9911 GB, free: 13.7 MB / 0.7012 GB Notification: Performance of NFTyping.typeComponents: time 0.0379/0.9651, allocations: 23.47 MB / 1.014 GB, free: 6.184 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.3628/1.328, allocations: 14.02 MB / 1.028 GB, free: 30.25 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.02095/1.349, allocations: 10.03 MB / 1.037 GB, free: 30.16 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.0724/1.421, allocations: 66.8 MB / 1.103 GB, free: 28.48 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02311/1.444, allocations: 20.01 MB / 1.122 GB, free: 15.5 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.02698/1.471, allocations: 16.97 MB / 1.139 GB, free: 4.332 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02376/1.495, allocations: 16.39 MB / 1.155 GB, free: 8.68 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.007091/1.502, allocations: 1.969 MB / 1.157 GB, free: 6.711 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01883/1.521, allocations: 6.629 MB / 1.163 GB, free: 1.824 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.009/1.53, allocations: 6.512 MB / 1.17 GB, free: 11.66 MB / 0.7481 GB Notification: Performance of NFVerifyModel.verify: time 0.01978/1.55, allocations: 11.29 MB / 1.181 GB, free: 0.6953 MB / 0.7481 GB Notification: Performance of NFConvertDAE.convert: time 0.04043/1.59, allocations: 31.6 MB / 1.211 GB, free: 2.301 MB / 0.7794 GB Notification: Performance of FrontEnd - DAE generated: time 4.388e-06/1.59, allocations: 0 / 1.211 GB, free: 2.301 MB / 0.7794 GB Notification: Performance of FrontEnd: time 1.343e-06/1.59, allocations: 0 / 1.211 GB, free: 2.301 MB / 0.7794 GB Notification: Performance of Transformations before backend: time 0.0007759/1.591, allocations: 0 / 1.211 GB, free: 2.301 MB / 0.7794 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 0.06012/1.651, allocations: 24.12 MB / 1.235 GB, free: 10.32 MB / 0.8106 GB Notification: Performance of prepare preOptimizeDAE: time 3.842e-05/1.651, allocations: 12.62 kB / 1.235 GB, free: 10.31 MB / 0.8106 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003356/1.655, allocations: 1.048 MB / 1.236 GB, free: 9.262 MB / 0.8106 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01572/1.67, allocations: 3.2 MB / 1.239 GB, free: 6.039 MB / 0.8106 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04007/1.711, allocations: 21.85 MB / 1.261 GB, free: 0.7188 MB / 0.8262 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007334/1.711, allocations: 0.7056 MB / 1.261 GB, free: 20 kB / 0.8262 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00396/1.715, allocations: 0.9419 MB / 1.262 GB, free: 15.09 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03359/1.749, allocations: 17.12 MB / 1.279 GB, free: 13.8 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002616/1.749, allocations: 15.41 kB / 1.279 GB, free: 13.79 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002426/1.752, allocations: 324.3 kB / 1.279 GB, free: 13.48 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003411/1.752, allocations: 367.4 kB / 1.28 GB, free: 13.12 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03636/1.788, allocations: 21.57 MB / 1.301 GB, free: 7.59 MB / 0.8731 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 0.3557/2.144, allocations: 83.98 MB / 1.383 GB, free: 420 MB / 0.9044 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01731/2.161, allocations: 13.33 MB / 1.396 GB, free: 412.5 MB / 0.9044 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01182/2.173, allocations: 9.8 MB / 1.405 GB, free: 406.9 MB / 0.9044 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 0.04956/2.223, allocations: 35.86 MB / 1.44 GB, free: 382.3 MB / 0.9044 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01153/2.234, allocations: 10.26 MB / 1.45 GB, free: 373.2 MB / 0.9044 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01743/2.252, allocations: 5.833 MB / 1.456 GB, free: 368.1 MB / 0.9044 GB Notification: Performance of pre-optimization done (n=588): time 2.647e-05/2.252, allocations: 0 / 1.456 GB, free: 368.1 MB / 0.9044 GB Notification: Performance of matching and sorting (n=880): time 0.9407/3.193, allocations: 240 MB / 1.69 GB, free: 129.6 MB / 0.9044 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 0.1122/3.305, allocations: 55.3 MB / 1.744 GB, free: 72.7 MB / 0.9044 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02722/3.332, allocations: 20.11 MB / 1.764 GB, free: 52.68 MB / 0.9044 GB Notification: Performance of collectPreVariables (initialization): time 0.0037/3.336, allocations: 237.7 kB / 1.764 GB, free: 52.45 MB / 0.9044 GB Notification: Performance of collectInitialEqns (initialization): time 0.006693/3.343, allocations: 7.752 MB / 1.772 GB, free: 44.71 MB / 0.9044 GB Notification: Performance of collectInitialBindings (initialization): time 0.01043/3.353, allocations: 3.199 MB / 1.775 GB, free: 41.54 MB / 0.9044 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01308/3.366, allocations: 4.637 MB / 1.779 GB, free: 36.89 MB / 0.9044 GB Notification: Performance of setup shared object (initialization): time 2.808e-05/3.366, allocations: 301.1 kB / 1.78 GB, free: 36.59 MB / 0.9044 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03052/3.397, allocations: 25.97 MB / 1.805 GB, free: 10.59 MB / 0.9044 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.275/3.672, allocations: 28.86 MB / 1.833 GB, free: 403.3 MB / 0.9044 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06208/3.734, allocations: 47.52 MB / 1.88 GB, free: 387.3 MB / 0.9044 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.086e-05/3.734, allocations: 14.78 kB / 1.88 GB, free: 387.3 MB / 0.9044 GB Notification: Performance of matching and sorting (n=1700) (initialization): time 0.6156/4.35, allocations: 146.7 MB / 2.023 GB, free: 265.7 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 0.000129/4.35, allocations: 55.89 kB / 2.023 GB, free: 265.6 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001051/4.35, allocations: 59.75 kB / 2.023 GB, free: 265.6 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6003/4.95, allocations: 119.9 MB / 2.14 GB, free: 146 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01953/4.97, allocations: 3.829 MB / 2.144 GB, free: 142.2 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1371/5.107, allocations: 84.32 MB / 2.226 GB, free: 57.8 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2173/5.324, allocations: 10.63 MB / 2.237 GB, free: 47.17 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00571/5.33, allocations: 1.695 MB / 2.238 GB, free: 45.47 MB / 0.9044 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.2889/5.619, allocations: 29.37 MB / 2.267 GB, free: 392.6 MB / 0.9044 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03693/5.656, allocations: 28.34 MB / 2.295 GB, free: 387.8 MB / 0.9044 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06192/5.718, allocations: 46.46 MB / 2.34 GB, free: 372 MB / 0.9044 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.971e-05/5.718, allocations: 15.56 kB / 2.34 GB, free: 372 MB / 0.9044 GB Notification: Performance of matching and sorting (n=1700) (initialization_lambda0): time 0.608/6.326, allocations: 145.1 MB / 2.482 GB, free: 249.3 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 7.113e-05/6.326, allocations: 57.69 kB / 2.482 GB, free: 249.2 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.91e-05/6.326, allocations: 52 kB / 2.482 GB, free: 249.2 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6052/6.931, allocations: 118.9 MB / 2.598 GB, free: 130.7 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01853/6.95, allocations: 3.797 MB / 2.602 GB, free: 126.9 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1473/7.097, allocations: 88.2 MB / 2.688 GB, free: 38.6 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2221/7.319, allocations: 10.68 MB / 2.698 GB, free: 27.9 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006056/7.325, allocations: 1.668 MB / 2.7 GB, free: 26.23 MB / 0.9044 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 0.007184/7.333, allocations: 0.7789 MB / 2.7 GB, free: 25.45 MB / 0.9044 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006651/7.339, allocations: 1.624 MB / 2.702 GB, free: 24.71 MB / 0.9044 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.5022/7.841, allocations: 68.72 MB / 2.769 GB, free: 382.2 MB / 0.9044 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2408/8.082, allocations: 83.2 MB / 2.85 GB, free: 322.8 MB / 0.9044 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001686/8.082, allocations: 28 kB / 2.85 GB, free: 322.8 MB / 0.9044 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2247/8.307, allocations: 82.09 MB / 2.931 GB, free: 240.8 MB / 0.9044 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.6602/8.967, allocations: 216.4 MB / 3.142 GB, free: 355.8 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.454e-05/8.967, allocations: 1.312 kB / 3.142 GB, free: 355.8 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01352/8.981, allocations: 2.249 MB / 3.144 GB, free: 355.8 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5865/9.568, allocations: 144.9 MB / 3.286 GB, free: 306.5 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003963/9.571, allocations: 0.8071 MB / 3.286 GB, free: 306 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1243/9.696, allocations: 72.11 MB / 3.357 GB, free: 245.3 MB / 0.9044 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]