Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified1.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(IBPSA.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001436/0.001436, allocations: 109.8 kB / 16.41 MB, free: 6.496 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001273/0.001273, allocations: 189.2 kB / 17.34 MB, free: 5.762 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.313/1.313, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7431/0.7431, allocations: 122.9 MB / 414.1 MB, free: 15.84 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001219/0.001219, allocations: 64.02 kB / 0.568 GB, free: 28.92 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1215/0.1228, allocations: 77.94 MB / 0.6441 GB, free: 9.496 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified1): time 0.5882/0.711, allocations: 357.7 MB / 0.9934 GB, free: 9.68 MB / 0.7481 GB Notification: Performance of NFInst.instExpressions: time 0.469/1.18, allocations: 75.84 MB / 1.067 GB, free: 30.97 MB / 0.795 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01277/1.193, allocations: 439.1 kB / 1.068 GB, free: 30.97 MB / 0.795 GB Notification: Performance of NFTyping.typeComponents: time 0.0161/1.209, allocations: 6.557 MB / 1.074 GB, free: 30.96 MB / 0.795 GB Notification: Performance of NFTyping.typeBindings: time 0.03282/1.242, allocations: 14.75 MB / 1.089 GB, free: 30.49 MB / 0.795 GB Notification: Performance of NFTyping.typeClassSections: time 0.0203/1.262, allocations: 10.2 MB / 1.099 GB, free: 30.2 MB / 0.795 GB Notification: Performance of NFFlatten.flatten: time 0.07998/1.342, allocations: 74.4 MB / 1.171 GB, free: 13.2 MB / 0.795 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02204/1.364, allocations: 20.1 MB / 1.191 GB, free: 12.12 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03433/1.399, allocations: 17.47 MB / 1.208 GB, free: 11.62 MB / 0.8262 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02774/1.426, allocations: 16.45 MB / 1.224 GB, free: 12.34 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.006838/1.433, allocations: 1.969 MB / 1.226 GB, free: 10.37 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01862/1.452, allocations: 6.068 MB / 1.232 GB, free: 4.574 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.009561/1.461, allocations: 6.525 MB / 1.238 GB, free: 14.29 MB / 0.8575 GB Notification: Performance of NFVerifyModel.verify: time 0.021/1.482, allocations: 11.29 MB / 1.249 GB, free: 3.188 MB / 0.8575 GB Notification: Performance of NFConvertDAE.convert: time 0.04431/1.527, allocations: 31.52 MB / 1.28 GB, free: 4.758 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 4.278e-06/1.527, allocations: 0 / 1.28 GB, free: 4.758 MB / 0.8887 GB Notification: Performance of FrontEnd: time 1.563e-06/1.527, allocations: 0 / 1.28 GB, free: 4.758 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0007676/1.528, allocations: 0 / 1.28 GB, free: 4.758 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 0.06649/1.594, allocations: 24.73 MB / 1.304 GB, free: 12.14 MB / 0.92 GB Notification: Performance of prepare preOptimizeDAE: time 4.615e-05/1.594, allocations: 16.62 kB / 1.304 GB, free: 12.12 MB / 0.92 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004115/1.598, allocations: 1.047 MB / 1.305 GB, free: 11.07 MB / 0.92 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01796/1.616, allocations: 3.301 MB / 1.308 GB, free: 7.754 MB / 0.92 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04822/1.664, allocations: 23.17 MB / 1.331 GB, free: 0.9102 MB / 0.9356 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006987/1.665, allocations: 0.673 MB / 1.332 GB, free: 248 kB / 0.9356 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004124/1.669, allocations: 0.946 MB / 1.333 GB, free: 15.3 MB / 0.9512 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03238/1.702, allocations: 17.11 MB / 1.349 GB, free: 14 MB / 0.9669 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001561/1.702, allocations: 23.81 kB / 1.349 GB, free: 13.98 MB / 0.9669 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00133/1.703, allocations: 330.6 kB / 1.35 GB, free: 13.66 MB / 0.9669 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003063/1.704, allocations: 367.3 kB / 1.35 GB, free: 13.3 MB / 0.9669 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03339/1.737, allocations: 21.53 MB / 1.371 GB, free: 7.754 MB / 0.9825 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 0.4025/2.139, allocations: 83.69 MB / 1.453 GB, free: 463.1 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01863/2.158, allocations: 13.31 MB / 1.466 GB, free: 456.1 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01282/2.171, allocations: 9.795 MB / 1.475 GB, free: 450.5 MB / 1.014 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 0.05928/2.23, allocations: 35.8 MB / 1.51 GB, free: 425.9 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01338/2.244, allocations: 10.25 MB / 1.52 GB, free: 415.6 MB / 1.014 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0182/2.262, allocations: 5.832 MB / 1.526 GB, free: 410.6 MB / 1.014 GB Notification: Performance of pre-optimization done (n=588): time 2.845e-05/2.262, allocations: 0 / 1.526 GB, free: 410.6 MB / 1.014 GB Notification: Performance of matching and sorting (n=880): time 0.974/3.236, allocations: 240.3 MB / 1.761 GB, free: 171.6 MB / 1.014 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 0.1135/3.349, allocations: 55.3 MB / 1.815 GB, free: 114.8 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02453/3.374, allocations: 20.49 MB / 1.835 GB, free: 94.43 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 0.003684/3.378, allocations: 229.7 kB / 1.835 GB, free: 94.2 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.005914/3.384, allocations: 7.845 MB / 1.843 GB, free: 86.37 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 0.01048/3.394, allocations: 3.341 MB / 1.846 GB, free: 83.07 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.009829/3.404, allocations: 4.551 MB / 1.85 GB, free: 78.5 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 2.917e-05/3.404, allocations: 305.2 kB / 1.851 GB, free: 78.2 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03205/3.436, allocations: 25.64 MB / 1.876 GB, free: 52.53 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03358/3.47, allocations: 28.49 MB / 1.903 GB, free: 23 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.344/3.814, allocations: 46.83 MB / 1.949 GB, free: 437.7 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.591e-05/3.814, allocations: 14.06 kB / 1.949 GB, free: 437.7 MB / 1.014 GB Notification: Performance of matching and sorting (n=1652) (initialization): time 0.626/4.44, allocations: 146.1 MB / 2.092 GB, free: 347.3 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 7.927e-05/4.44, allocations: 53.7 kB / 2.092 GB, free: 347.3 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.615e-05/4.44, allocations: 48 kB / 2.092 GB, free: 347.2 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6085/5.049, allocations: 119.8 MB / 2.209 GB, free: 227.8 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0201/5.069, allocations: 3.79 MB / 2.213 GB, free: 224 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1397/5.208, allocations: 84.32 MB / 2.295 GB, free: 139.6 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2303/5.439, allocations: 10.62 MB / 2.305 GB, free: 129 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005285/5.444, allocations: 1.664 MB / 2.307 GB, free: 127.3 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03804/5.482, allocations: 29.03 MB / 2.335 GB, free: 98.24 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03256/5.515, allocations: 27.96 MB / 2.363 GB, free: 69.24 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05966/5.574, allocations: 45.78 MB / 2.407 GB, free: 22.67 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.793e-05/5.574, allocations: 16 kB / 2.407 GB, free: 22.66 MB / 1.014 GB Notification: Performance of matching and sorting (n=1652) (initialization_lambda0): time 0.9609/6.535, allocations: 144.4 MB / 2.548 GB, free: 373.1 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 6.359e-05/6.535, allocations: 58.66 kB / 2.548 GB, free: 373.1 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.083e-05/6.536, allocations: 55.06 kB / 2.549 GB, free: 373 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6057/7.141, allocations: 118.8 MB / 2.665 GB, free: 254.6 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01896/7.16, allocations: 3.747 MB / 2.668 GB, free: 250.8 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1527/7.313, allocations: 88.2 MB / 2.754 GB, free: 162.6 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2321/7.545, allocations: 10.67 MB / 2.765 GB, free: 151.9 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005952/7.551, allocations: 1.636 MB / 2.766 GB, free: 150.3 MB / 1.014 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 227 * 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 (1164): * Single equations (assignments): 1142 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 4 * 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 0.007394/7.558, allocations: 0.7762 MB / 2.767 GB, free: 149.6 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006872/7.565, allocations: 1.712 MB / 2.769 GB, free: 148.8 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2265/7.792, allocations: 68.69 MB / 2.836 GB, free: 80.23 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.596/8.388, allocations: 83.19 MB / 2.917 GB, free: 409.8 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001723/8.388, allocations: 27.62 kB / 2.917 GB, free: 409.8 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2382/8.626, allocations: 82.07 MB / 2.997 GB, free: 392.9 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.4048/9.031, allocations: 216.3 MB / 3.208 GB, free: 187.3 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.462e-05/9.031, allocations: 0 / 3.208 GB, free: 187.3 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01378/9.045, allocations: 2.249 MB / 3.211 GB, free: 185.1 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.6006/9.646, allocations: 144.7 MB / 3.352 GB, free: 40.39 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004031/9.65, allocations: 0.8103 MB / 3.353 GB, free: 39.58 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.4535/10.1, allocations: 72.12 MB / 3.423 GB, free: 407.9 MB / 1.014 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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2348:10-2348:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2265:9-2265:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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]