Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.Fluid.Examples.FlowSystem.Simplified1.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="Buildings_11_Buildings_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="Buildings_11_Buildings_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001723/0.001723, 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 0.003177/0.003177, allocations: 193.2 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 1.294/1.294, allocations: 222.9 MB / 240.2 MB, free: 4.391 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.502/2.502, allocations: 469.8 MB / 0.7424 GB, free: 7.465 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001743/0.001743, allocations: 70.81 kB / 0.9086 GB, free: 34.31 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2327/0.2345, allocations: 159.2 MB / 1.064 GB, free: 14.24 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.7215/0.956, allocations: 357.7 MB / 1.413 GB, free: 6.473 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.1018/1.058, allocations: 75.88 MB / 1.487 GB, free: 15.71 MB / 1.092 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01167/1.069, allocations: 433.5 kB / 1.488 GB, free: 15.29 MB / 1.092 GB Notification: Performance of NFTyping.typeComponents: time 0.03935/1.109, allocations: 23.47 MB / 1.511 GB, free: 7.766 MB / 1.107 GB Notification: Performance of NFTyping.typeBindings: time 0.03397/1.143, allocations: 14.04 MB / 1.525 GB, free: 9.676 MB / 1.123 GB Notification: Performance of NFTyping.typeClassSections: time 0.02197/1.165, allocations: 10.03 MB / 1.534 GB, free: 15.72 MB / 1.139 GB Notification: Performance of NFFlatten.flatten: time 0.1062/1.271, allocations: 66.79 MB / 1.6 GB, free: 12.89 MB / 1.201 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02586/1.297, allocations: 20.01 MB / 1.619 GB, free: 8.723 MB / 1.217 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03195/1.329, allocations: 16.96 MB / 1.636 GB, free: 7.734 MB / 1.232 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02658/1.356, allocations: 16.38 MB / 1.652 GB, free: 7.297 MB / 1.248 GB Notification: Performance of NFPackage.collectConstants: time 0.006564/1.362, allocations: 1.965 MB / 1.654 GB, free: 5.332 MB / 1.248 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01861/1.381, allocations: 6.639 MB / 1.66 GB, free: 14.69 MB / 1.264 GB Notification: Performance of NFScalarize.scalarize: time 0.009605/1.39, allocations: 6.504 MB / 1.666 GB, free: 8.164 MB / 1.264 GB Notification: Performance of NFVerifyModel.verify: time 0.01973/1.41, allocations: 11.29 MB / 1.677 GB, free: 12.82 MB / 1.279 GB Notification: Performance of NFConvertDAE.convert: time 0.042/1.452, allocations: 31.59 MB / 1.708 GB, free: 13.14 MB / 1.311 GB Notification: Performance of FrontEnd - DAE generated: time 6.723e-06/1.452, allocations: 7.938 kB / 1.708 GB, free: 13.13 MB / 1.311 GB Notification: Performance of FrontEnd: time 1.323e-06/1.452, allocations: 0 / 1.708 GB, free: 13.13 MB / 1.311 GB Notification: Performance of Transformations before backend: time 0.0006751/1.453, allocations: 4 kB / 1.708 GB, free: 13.12 MB / 1.311 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2045 * Number of variables: 2045 Notification: Performance of Generate backend data structure: time 0.05877/1.512, allocations: 24.12 MB / 1.732 GB, free: 4.801 MB / 1.326 GB Notification: Performance of prepare preOptimizeDAE: time 4.065e-05/1.512, allocations: 8.031 kB / 1.732 GB, free: 4.793 MB / 1.326 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002507/1.514, allocations: 1.061 MB / 1.733 GB, free: 3.723 MB / 1.326 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01464/1.529, allocations: 3.193 MB / 1.736 GB, free: 0.5039 MB / 1.326 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04166/1.57, allocations: 21.84 MB / 1.757 GB, free: 10.54 MB / 1.357 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008646/1.571, allocations: 0.6942 MB / 1.758 GB, free: 9.84 MB / 1.357 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004104/1.576, allocations: 0.9449 MB / 1.759 GB, free: 8.895 MB / 1.357 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.7441/2.32, allocations: 17.12 MB / 1.776 GB, free: 497.3 MB / 1.358 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001452/2.32, allocations: 10.12 kB / 1.776 GB, free: 497.3 MB / 1.358 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001168/2.321, allocations: 331.6 kB / 1.776 GB, free: 497.3 MB / 1.358 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002398/2.321, allocations: 371 kB / 1.776 GB, free: 497.3 MB / 1.358 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0349/2.356, allocations: 21.55 MB / 1.797 GB, free: 491.4 MB / 1.358 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.1018/2.458, allocations: 83.98 MB / 1.879 GB, free: 430.4 MB / 1.358 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01599/2.474, allocations: 13.32 MB / 1.892 GB, free: 420.6 MB / 1.358 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.009837/2.484, allocations: 9.803 MB / 1.902 GB, free: 410.8 MB / 1.358 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt evalFunc (simulation): time 0.04457/2.528, allocations: 35.87 MB / 1.937 GB, free: 375.2 MB / 1.358 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01083/2.539, allocations: 10.25 MB / 1.947 GB, free: 364.9 MB / 1.358 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01573/2.555, allocations: 5.83 MB / 1.953 GB, free: 359.8 MB / 1.358 GB Notification: Performance of pre-optimization done (n=588): time 2.209e-05/2.555, allocations: 0 / 1.953 GB, free: 359.8 MB / 1.358 GB Notification: Performance of matching and sorting (n=880): time 0.8533/3.408, allocations: 240 MB / 2.187 GB, free: 118.9 MB / 1.358 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 0.1038/3.512, allocations: 55.31 MB / 2.241 GB, free: 61.96 MB / 1.358 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02342/3.536, allocations: 20.12 MB / 2.261 GB, free: 41.95 MB / 1.358 GB Notification: Performance of collectPreVariables (initialization): time 0.003167/3.539, allocations: 237.6 kB / 2.261 GB, free: 41.71 MB / 1.358 GB Notification: Performance of collectInitialEqns (initialization): time 0.004847/3.544, allocations: 7.765 MB / 2.269 GB, free: 33.96 MB / 1.358 GB Notification: Performance of collectInitialBindings (initialization): time 0.00879/3.552, allocations: 3.19 MB / 2.272 GB, free: 30.8 MB / 1.358 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.007507/3.56, allocations: 4.638 MB / 2.276 GB, free: 26.15 MB / 1.358 GB Notification: Performance of setup shared object (initialization): time 2.929e-05/3.56, allocations: 309.1 kB / 2.276 GB, free: 25.84 MB / 1.358 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.7464/4.306, allocations: 25.97 MB / 2.302 GB, free: 451.4 MB / 1.358 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03709/4.344, allocations: 28.87 MB / 2.33 GB, free: 448.6 MB / 1.358 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0578/4.401, allocations: 47.51 MB / 2.376 GB, free: 432.6 MB / 1.358 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001471/4.402, allocations: 11.91 kB / 2.376 GB, free: 432.6 MB / 1.358 GB Notification: Performance of matching and sorting (n=1700) (initialization): time 0.5617/4.963, allocations: 146.8 MB / 2.52 GB, free: 313.4 MB / 1.358 GB Notification: Performance of prepare postOptimizeDAE: time 9.231e-05/4.963, allocations: 62.56 kB / 2.52 GB, free: 313.4 MB / 1.358 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.635e-05/4.963, allocations: 48 kB / 2.52 GB, free: 313.3 MB / 1.358 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5424/5.506, allocations: 119.9 MB / 2.637 GB, free: 193.8 MB / 1.358 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0179/5.524, allocations: 3.841 MB / 2.641 GB, free: 190 MB / 1.358 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1274/5.651, allocations: 84.31 MB / 2.723 GB, free: 105.6 MB / 1.358 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2007/5.852, allocations: 10.64 MB / 2.733 GB, free: 94.93 MB / 1.358 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005346/5.857, allocations: 1.702 MB / 2.735 GB, free: 93.23 MB / 1.358 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03545/5.893, allocations: 29.37 MB / 2.764 GB, free: 63.83 MB / 1.358 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.02965/5.923, allocations: 28.34 MB / 2.791 GB, free: 34.45 MB / 1.358 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.49/6.413, allocations: 46.45 MB / 2.837 GB, free: 432 MB / 1.358 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.993e-05/6.413, allocations: 13.72 kB / 2.837 GB, free: 432 MB / 1.358 GB Notification: Performance of matching and sorting (n=1700) (initialization_lambda0): time 0.549/6.962, allocations: 145.1 MB / 2.979 GB, free: 344.4 MB / 1.358 GB Notification: Performance of prepare postOptimizeDAE: time 6.094e-05/6.962, allocations: 57.27 kB / 2.979 GB, free: 344.3 MB / 1.358 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.757e-05/6.962, allocations: 52 kB / 2.979 GB, free: 344.3 MB / 1.358 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5308/7.493, allocations: 118.9 MB / 3.095 GB, free: 225.7 MB / 1.358 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01649/7.509, allocations: 3.799 MB / 3.098 GB, free: 221.9 MB / 1.358 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1345/7.644, allocations: 88.21 MB / 3.185 GB, free: 133.7 MB / 1.358 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1927/7.836, allocations: 10.68 MB / 3.195 GB, free: 123 MB / 1.358 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005389/7.842, allocations: 1.664 MB / 3.197 GB, free: 121.3 MB / 1.358 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 0.007649/7.849, allocations: 0.7816 MB / 3.197 GB, free: 120.6 MB / 1.358 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007136/7.857, allocations: 1.626 MB / 3.199 GB, free: 119.8 MB / 1.358 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1867/8.043, allocations: 68.72 MB / 3.266 GB, free: 51.25 MB / 1.358 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.6295/8.673, allocations: 83.21 MB / 3.347 GB, free: 416.3 MB / 1.358 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001258/8.673, allocations: 27.62 kB / 3.347 GB, free: 416.3 MB / 1.358 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.1891/8.862, allocations: 82.07 MB / 3.428 GB, free: 392 MB / 1.358 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3187/9.181, allocations: 216.4 MB / 3.639 GB, free: 177.8 MB / 1.358 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.734e-05/9.181, allocations: 5.125 kB / 3.639 GB, free: 177.8 MB / 1.358 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01158/9.192, allocations: 2.242 MB / 3.641 GB, free: 175.6 MB / 1.358 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5039/9.696, allocations: 144.9 MB / 3.783 GB, free: 30.73 MB / 1.358 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.002857/9.699, allocations: 0.8103 MB / 3.783 GB, free: 29.92 MB / 1.358 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.5045/10.2, allocations: 72.11 MB / 3.854 GB, free: 415.3 MB / 1.358 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]