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 0.00131/0.00131, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001309/0.001309, allocations: 195.2 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.293/1.293, allocations: 222.9 MB / 240.2 MB, free: 4.426 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002099/0.002099, allocations: 290.5 kB / 290.7 MB, free: 2.023 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.8989/0.8989, allocations: 169.3 MB / 0.4982 GB, free: 13.94 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001705/0.001705, allocations: 94.83 kB / 0.5952 GB, free: 28.06 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1382/0.1399, allocations: 86.98 MB / 0.6802 GB, free: 0.6953 MB / 478.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1): time 0.5848/0.7247, allocations: 357.7 MB / 1.029 GB, free: 4.195 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.4669/1.192, allocations: 75.85 MB / 1.104 GB, free: 35.53 MB / 0.7637 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01608/1.208, allocations: 437.7 kB / 1.104 GB, free: 35.53 MB / 0.7637 GB Notification: Performance of NFTyping.typeComponents: time 0.03866/1.246, allocations: 23.47 MB / 1.127 GB, free: 35.13 MB / 0.7637 GB Notification: Performance of NFTyping.typeBindings: time 0.03716/1.284, allocations: 14.03 MB / 1.141 GB, free: 34.55 MB / 0.7637 GB Notification: Performance of NFTyping.typeClassSections: time 0.02294/1.307, allocations: 10.04 MB / 1.15 GB, free: 33.3 MB / 0.7637 GB Notification: Performance of NFFlatten.flatten: time 0.08439/1.391, allocations: 66.8 MB / 1.216 GB, free: 8.395 MB / 0.7794 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03705/1.428, allocations: 20 MB / 1.235 GB, free: 4.988 MB / 0.795 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0388/1.467, allocations: 16.97 MB / 1.252 GB, free: 4.965 MB / 0.8106 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03048/1.497, allocations: 16.39 MB / 1.268 GB, free: 5.742 MB / 0.8262 GB Notification: Performance of NFPackage.collectConstants: time 0.009122/1.507, allocations: 1.973 MB / 1.27 GB, free: 3.77 MB / 0.8262 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02307/1.53, allocations: 6.625 MB / 1.276 GB, free: 13.45 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.01077/1.54, allocations: 6.516 MB / 1.282 GB, free: 7.168 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.02476/1.565, allocations: 11.22 MB / 1.293 GB, free: 12.13 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.04612/1.611, allocations: 31.38 MB / 1.324 GB, free: 13.89 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 9.928e-06/1.611, allocations: 4 kB / 1.324 GB, free: 13.89 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.194e-06/1.611, allocations: 0 / 1.324 GB, free: 13.89 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0009905/1.612, allocations: 0 / 1.324 GB, free: 13.89 MB / 0.8887 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 0.06707/1.68, allocations: 23.97 MB / 1.348 GB, free: 5.957 MB / 0.9044 GB Notification: Performance of prepare preOptimizeDAE: time 3.953e-05/1.68, allocations: 11.97 kB / 1.348 GB, free: 5.945 MB / 0.9044 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01848/1.698, allocations: 3.185 MB / 1.351 GB, free: 2.734 MB / 0.9044 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.052/1.75, allocations: 19.7 MB / 1.37 GB, free: 15.33 MB / 0.9356 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001166/1.751, allocations: 0.6985 MB / 1.371 GB, free: 14.64 MB / 0.9356 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004937/1.756, allocations: 0.9475 MB / 1.371 GB, free: 13.7 MB / 0.9356 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03673/1.793, allocations: 17.1 MB / 1.388 GB, free: 12.4 MB / 0.9512 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.00018/1.793, allocations: 15.83 kB / 1.388 GB, free: 12.38 MB / 0.9512 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001823/1.795, allocations: 333.3 kB / 1.389 GB, free: 12.07 MB / 0.9512 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003187/1.795, allocations: 371.3 kB / 1.389 GB, free: 11.7 MB / 0.9512 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03878/1.834, allocations: 21.56 MB / 1.41 GB, free: 6.129 MB / 0.9669 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 0.6776/2.512, allocations: 83.28 MB / 1.491 GB, free: 404.3 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02207/2.534, allocations: 13.32 MB / 1.504 GB, free: 396.8 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01443/2.548, allocations: 9.807 MB / 1.514 GB, free: 391.2 MB / 0.9669 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 0.07343/2.622, allocations: 35.6 MB / 1.549 GB, free: 360.2 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01826/2.64, allocations: 10.25 MB / 1.559 GB, free: 349.9 MB / 0.9669 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02036/2.661, allocations: 5.835 MB / 1.564 GB, free: 344.8 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=588): time 3.02e-05/2.661, allocations: 0 / 1.564 GB, free: 344.8 MB / 0.9669 GB Notification: Performance of matching and sorting (n=880): time 0.9785/3.639, allocations: 240 MB / 1.799 GB, free: 104.5 MB / 0.9669 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 0.1245/3.764, allocations: 55.37 MB / 1.853 GB, free: 47.5 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03161/3.795, allocations: 17.4 MB / 1.87 GB, free: 30.2 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.00615/3.801, allocations: 233.7 kB / 1.87 GB, free: 29.97 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.009504/3.811, allocations: 7.718 MB / 1.878 GB, free: 22.28 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.0118/3.823, allocations: 3.196 MB / 1.881 GB, free: 19.11 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0168/3.84, allocations: 4.637 MB / 1.885 GB, free: 14.45 MB / 0.9669 GB Notification: Performance of setup shared object (initialization): time 3.628e-05/3.84, allocations: 305.2 kB / 1.885 GB, free: 14.15 MB / 0.9669 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.6421/4.482, allocations: 25.96 MB / 1.911 GB, free: 414.9 MB / 0.967 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.04275/4.525, allocations: 28.87 MB / 1.939 GB, free: 405.5 MB / 0.967 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.07407/4.599, allocations: 47.51 MB / 1.985 GB, free: 389.4 MB / 0.967 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.000101/4.599, allocations: 15.5 kB / 1.985 GB, free: 389.4 MB / 0.967 GB Notification: Performance of matching and sorting (n=1700) (initialization): time 0.6407/5.24, allocations: 146.8 MB / 2.129 GB, free: 250.6 MB / 0.967 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001399/5.24, allocations: 53.7 kB / 2.129 GB, free: 250.5 MB / 0.967 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001504/5.24, allocations: 52 kB / 2.129 GB, free: 250.5 MB / 0.967 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6056/5.846, allocations: 119.9 MB / 2.246 GB, free: 131 MB / 0.967 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02004/5.866, allocations: 3.842 MB / 2.25 GB, free: 127.1 MB / 0.967 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1564/6.022, allocations: 84.31 MB / 2.332 GB, free: 42.73 MB / 0.967 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.5948/6.617, allocations: 10.63 MB / 2.342 GB, free: 390.5 MB / 0.967 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008233/6.625, allocations: 1.693 MB / 2.344 GB, free: 390.5 MB / 0.967 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04593/6.671, allocations: 29.36 MB / 2.373 GB, free: 388.2 MB / 0.967 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03754/6.709, allocations: 28.34 MB / 2.4 GB, free: 378.1 MB / 0.967 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06628/6.775, allocations: 46.45 MB / 2.446 GB, free: 362.4 MB / 0.967 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 0.0001218/6.775, allocations: 13.56 kB / 2.446 GB, free: 362.4 MB / 0.967 GB Notification: Performance of matching and sorting (n=1700) (initialization_lambda0): time 0.6363/7.412, allocations: 145.1 MB / 2.587 GB, free: 226.5 MB / 0.967 GB Notification: Performance of prepare postOptimizeDAE: time 8.901e-05/7.412, allocations: 62.45 kB / 2.588 GB, free: 226.4 MB / 0.967 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.634e-05/7.412, allocations: 52 kB / 2.588 GB, free: 226.3 MB / 0.967 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6095/8.021, allocations: 118.9 MB / 2.704 GB, free: 107.8 MB / 0.967 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01873/8.04, allocations: 3.798 MB / 2.707 GB, free: 104 MB / 0.967 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4835/8.524, allocations: 88.2 MB / 2.794 GB, free: 374.6 MB / 0.967 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2181/8.742, allocations: 10.68 MB / 2.804 GB, free: 374.6 MB / 0.967 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006042/8.748, allocations: 1.663 MB / 2.806 GB, free: 374.6 MB / 0.967 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 0.008837/8.757, allocations: 0.7788 MB / 2.806 GB, free: 374.4 MB / 0.967 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006737/8.763, allocations: 1.619 MB / 2.808 GB, free: 374.4 MB / 0.967 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.215/8.978, allocations: 68.72 MB / 2.875 GB, free: 359.5 MB / 0.967 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.234/9.213, allocations: 83.21 MB / 2.956 GB, free: 287.6 MB / 0.967 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0002011/9.213, allocations: 28 kB / 2.956 GB, free: 287.6 MB / 0.967 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.223/9.436, allocations: 82.1 MB / 3.036 GB, free: 205.5 MB / 0.967 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.7746/10.21, allocations: 216.1 MB / 3.248 GB, free: 379 MB / 0.967 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.542e-05/10.21, allocations: 3.797 kB / 3.248 GB, free: 379 MB / 0.967 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01324/10.22, allocations: 2.245 MB / 3.25 GB, free: 379 MB / 0.967 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5692/10.79, allocations: 144.9 MB / 3.391 GB, free: 278.6 MB / 0.967 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004069/10.8, allocations: 0.8141 MB / 3.392 GB, free: 277.8 MB / 0.967 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1246/10.92, allocations: 72.11 MB / 3.462 GB, free: 205.6 MB / 0.967 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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2347:10-2347:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2264:9-2264:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4689:9-4689:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins/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]