Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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: translateModel(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Simplified1") translateModel(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Simplified1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001415/0.001415, allocations: 101.9 kB / 16.27 MB, free: 5.988 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0014/0.0014, allocations: 188.9 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 1.263/1.263, allocations: 222.9 MB / 240.9 MB, free: 15.21 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002223/0.002223, allocations: 288.9 kB / 291.3 MB, free: 14.54 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9351/0.9351, allocations: 169.2 MB / 0.4988 GB, free: 4.523 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001754/0.001754, allocations: 101.2 kB / 0.5959 GB, free: 15.19 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1567/0.1585, allocations: 86.98 MB / 0.6808 GB, free: 8.223 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1): time 0.9763/1.135, allocations: 357.7 MB / 1.03 GB, free: 48.12 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.0994/1.234, allocations: 75.87 MB / 1.104 GB, free: 33.52 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01956/1.254, allocations: 437.8 kB / 1.105 GB, free: 33.52 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.03803/1.292, allocations: 23.47 MB / 1.128 GB, free: 13.73 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.04176/1.334, allocations: 14.04 MB / 1.141 GB, free: 1.652 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.02678/1.361, allocations: 10.05 MB / 1.151 GB, free: 8.711 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.09956/1.46, allocations: 66.79 MB / 1.216 GB, free: 8.578 MB / 0.795 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03706/1.497, allocations: 20.02 MB / 1.236 GB, free: 5.074 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.04091/1.538, allocations: 16.96 MB / 1.252 GB, free: 5.043 MB / 0.8262 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03226/1.571, allocations: 16.38 MB / 1.268 GB, free: 5.785 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.009902/1.581, allocations: 1.973 MB / 1.27 GB, free: 3.812 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02454/1.605, allocations: 6.636 MB / 1.277 GB, free: 13.48 MB / 0.8575 GB Notification: Performance of NFScalarize.scalarize: time 0.01213/1.617, allocations: 6.514 MB / 1.283 GB, free: 7.188 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.89/2.507, allocations: 11.21 MB / 1.294 GB, free: 85.31 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.05296/2.56, allocations: 31.38 MB / 1.325 GB, free: 84.5 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 7.454e-06/2.56, allocations: 0 / 1.325 GB, free: 84.5 MB / 0.8575 GB Notification: Performance of FrontEnd: time 1.844e-06/2.56, allocations: 0 / 1.325 GB, free: 84.5 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 0.001029/2.561, allocations: 2.125 kB / 1.325 GB, free: 84.5 MB / 0.8575 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 0.08353/2.645, allocations: 23.96 MB / 1.348 GB, free: 75.98 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 4.476e-05/2.645, allocations: 10.16 kB / 1.348 GB, free: 75.98 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02114/2.666, allocations: 3.188 MB / 1.351 GB, free: 74.94 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04564/2.712, allocations: 19.69 MB / 1.371 GB, free: 72 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008592/2.713, allocations: 0.6948 MB / 1.371 GB, free: 71.98 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.007135/2.72, allocations: 0.9418 MB / 1.372 GB, free: 71.97 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.05075/2.771, allocations: 17.12 MB / 1.389 GB, free: 71.04 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004178/2.771, allocations: 14.75 kB / 1.389 GB, free: 71.04 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005398/2.777, allocations: 336.4 kB / 1.389 GB, free: 71.04 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003476/2.777, allocations: 369.9 kB / 1.39 GB, free: 70.99 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04151/2.818, allocations: 21.55 MB / 1.411 GB, free: 67.74 MB / 0.8575 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 0.1399/2.958, allocations: 83.3 MB / 1.492 GB, free: 7.969 MB / 0.8732 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02409/2.983, allocations: 13.34 MB / 1.505 GB, free: 10.91 MB / 0.8888 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01622/2.999, allocations: 9.803 MB / 1.515 GB, free: 1.09 MB / 0.8888 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 0.08281/3.082, allocations: 35.6 MB / 1.549 GB, free: 13.17 MB / 0.9357 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02085/3.103, allocations: 10.26 MB / 1.559 GB, free: 2.84 MB / 0.9357 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02535/3.128, allocations: 5.825 MB / 1.565 GB, free: 13.17 MB / 0.9513 GB Notification: Performance of pre-optimization done (n=588): time 3.591e-05/3.128, allocations: 0 / 1.565 GB, free: 13.17 MB / 0.9513 GB Notification: Performance of matching and sorting (n=880): time 1.343/4.471, allocations: 240 MB / 1.799 GB, free: 418.3 MB / 1.029 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 0.1191/4.59, allocations: 55.36 MB / 1.853 GB, free: 361.5 MB / 1.029 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03434/4.625, allocations: 17.39 MB / 1.87 GB, free: 344.3 MB / 1.029 GB Notification: Performance of collectPreVariables (initialization): time 0.004726/4.63, allocations: 229.7 kB / 1.871 GB, free: 344 MB / 1.029 GB Notification: Performance of collectInitialEqns (initialization): time 0.01014/4.64, allocations: 7.723 MB / 1.878 GB, free: 336.7 MB / 1.029 GB Notification: Performance of collectInitialBindings (initialization): time 0.01249/4.652, allocations: 3.191 MB / 1.881 GB, free: 333.5 MB / 1.029 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.02003/4.672, allocations: 4.635 MB / 1.886 GB, free: 328.8 MB / 1.029 GB Notification: Performance of setup shared object (initialization): time 4.374e-05/4.672, allocations: 301.1 kB / 1.886 GB, free: 328.6 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03558/4.708, allocations: 25.97 MB / 1.911 GB, free: 302.6 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03859/4.747, allocations: 28.88 MB / 1.94 GB, free: 272.6 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.07012/4.817, allocations: 47.51 MB / 1.986 GB, free: 224.3 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.804e-05/4.817, allocations: 17.25 kB / 1.986 GB, free: 224.3 MB / 1.029 GB Notification: Performance of matching and sorting (n=1700) (initialization): time 0.6195/5.437, allocations: 146.8 MB / 2.129 GB, free: 77.37 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 8.396e-05/5.437, allocations: 53.7 kB / 2.129 GB, free: 77.31 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.068e-05/5.437, allocations: 52 kB / 2.13 GB, free: 77.26 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.9941/6.431, allocations: 119.9 MB / 2.247 GB, free: 447.5 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02118/6.452, allocations: 3.838 MB / 2.25 GB, free: 447.5 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1475/6.6, allocations: 84.32 MB / 2.333 GB, free: 404.1 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2244/6.824, allocations: 10.63 MB / 2.343 GB, free: 393.5 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008095/6.832, allocations: 1.699 MB / 2.345 GB, free: 391.8 MB / 1.029 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04978/6.882, allocations: 29.35 MB / 2.373 GB, free: 362.4 MB / 1.029 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03917/6.921, allocations: 28.33 MB / 2.401 GB, free: 333 MB / 1.029 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06962/6.991, allocations: 46.47 MB / 2.446 GB, free: 285.7 MB / 1.029 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.623e-05/6.991, allocations: 12 kB / 2.446 GB, free: 285.7 MB / 1.029 GB Notification: Performance of matching and sorting (n=1700) (initialization_lambda0): time 0.6225/7.613, allocations: 145.1 MB / 2.588 GB, free: 141.6 MB / 1.029 GB Notification: Performance of prepare postOptimizeDAE: time 7.394e-05/7.614, allocations: 53.7 kB / 2.588 GB, free: 141.5 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.047e-05/7.614, allocations: 48 kB / 2.588 GB, free: 141.5 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.9666/8.58, allocations: 118.9 MB / 2.704 GB, free: 440.3 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02195/8.602, allocations: 3.794 MB / 2.708 GB, free: 440.3 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1728/8.775, allocations: 88.21 MB / 2.794 GB, free: 422.7 MB / 1.029 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2273/9.002, allocations: 10.68 MB / 2.805 GB, free: 422.5 MB / 1.029 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00855/9.011, allocations: 1.662 MB / 2.806 GB, free: 422.4 MB / 1.029 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 0.009833/9.021, allocations: 0.7755 MB / 2.807 GB, free: 421.8 MB / 1.029 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009282/9.03, allocations: 1.621 MB / 2.809 GB, free: 421.7 MB / 1.029 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2255/9.256, allocations: 68.72 MB / 2.876 GB, free: 373.4 MB / 1.029 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2444/9.5, allocations: 83.21 MB / 2.957 GB, free: 290.3 MB / 1.029 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001975/9.5, allocations: 28 kB / 2.957 GB, free: 290.3 MB / 1.029 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2313/9.732, allocations: 82.09 MB / 3.037 GB, free: 208.2 MB / 1.029 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.8336/10.57, allocations: 216.1 MB / 3.248 GB, free: 432.7 MB / 1.029 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001307/10.57, allocations: 4.406 kB / 3.248 GB, free: 432.7 MB / 1.029 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01378/10.58, allocations: 2.234 MB / 3.25 GB, free: 432.6 MB / 1.029 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.571/11.15, allocations: 144.9 MB / 3.392 GB, free: 361.2 MB / 1.029 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004811/11.16, allocations: 0.81 MB / 3.393 GB, free: 360.6 MB / 1.029 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1301/11.29, allocations: 72.13 MB / 3.463 GB, free: 293.2 MB / 1.029 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]