Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 11.0.0-master/package.mo", uses=false) Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-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: translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified1") translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001096/0.001096, allocations: 104.1 kB / 16.35 MB, free: 5.828 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00103/0.00103, allocations: 190.5 kB / 17.29 MB, free: 5.484 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.355/1.355, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.427/2.427, allocations: 442.5 MB / 0.7165 GB, free: 14.68 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001202/0.001202, allocations: 64.66 kB / 0.8773 GB, free: 11.01 MB / 0.6544 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2718/0.273, allocations: 153 MB / 1.027 GB, free: 2.09 MB / 0.795 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.7645/1.038, allocations: 357.7 MB / 1.376 GB, free: 7.551 MB / 1.076 GB Notification: Performance of NFInst.instExpressions: time 0.09996/1.138, allocations: 75.85 MB / 1.45 GB, free: 11.52 MB / 1.154 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01387/1.151, allocations: 433.5 kB / 1.451 GB, free: 11.1 MB / 1.154 GB Notification: Performance of NFTyping.typeComponents: time 0.03936/1.191, allocations: 23.48 MB / 1.473 GB, free: 3.574 MB / 1.17 GB Notification: Performance of NFTyping.typeBindings: time 0.03714/1.228, allocations: 14.02 MB / 1.487 GB, free: 5.5 MB / 1.186 GB Notification: Performance of NFTyping.typeClassSections: time 0.0231/1.251, allocations: 10.17 MB / 1.497 GB, free: 11.4 MB / 1.201 GB Notification: Performance of NFFlatten.flatten: time 0.6841/1.935, allocations: 74.14 MB / 1.569 GB, free: 101.9 MB / 1.232 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02662/1.962, allocations: 20 MB / 1.589 GB, free: 99.97 MB / 1.232 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03329/1.995, allocations: 17.04 MB / 1.606 GB, free: 99.39 MB / 1.232 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0328/2.028, allocations: 16.38 MB / 1.622 GB, free: 97.26 MB / 1.232 GB Notification: Performance of NFPackage.collectConstants: time 0.008498/2.037, allocations: 1.962 MB / 1.624 GB, free: 97.26 MB / 1.232 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02212/2.059, allocations: 6.044 MB / 1.629 GB, free: 97.2 MB / 1.232 GB Notification: Performance of NFScalarize.scalarize: time 0.01276/2.072, allocations: 6.505 MB / 1.636 GB, free: 96.47 MB / 1.232 GB Notification: Performance of NFVerifyModel.verify: time 0.02511/2.097, allocations: 11.2 MB / 1.647 GB, free: 93.55 MB / 1.232 GB Notification: Performance of NFConvertDAE.convert: time 0.03749/2.134, allocations: 31.07 MB / 1.677 GB, free: 84.82 MB / 1.232 GB Notification: Performance of FrontEnd - DAE generated: time 5.992e-06/2.134, allocations: 0 / 1.677 GB, free: 84.82 MB / 1.232 GB Notification: Performance of FrontEnd: time 1.493e-06/2.134, allocations: 0 / 1.677 GB, free: 84.82 MB / 1.232 GB Notification: Performance of Transformations before backend: time 0.0008123/2.135, allocations: 0 / 1.677 GB, free: 84.82 MB / 1.232 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 0.06025/2.195, allocations: 23.88 MB / 1.7 GB, free: 69.21 MB / 1.232 GB Notification: Performance of prepare preOptimizeDAE: time 3.896e-05/2.195, allocations: 8.75 kB / 1.7 GB, free: 69.2 MB / 1.232 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01709/2.213, allocations: 3.195 MB / 1.704 GB, free: 66 MB / 1.232 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04117/2.254, allocations: 20.37 MB / 1.723 GB, free: 51.62 MB / 1.232 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005716/2.254, allocations: 0.6794 MB / 1.724 GB, free: 51.23 MB / 1.232 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004345/2.259, allocations: 0.9367 MB / 1.725 GB, free: 50.59 MB / 1.232 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03797/2.297, allocations: 17.1 MB / 1.742 GB, free: 38.66 MB / 1.232 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002866/2.297, allocations: 18.59 kB / 1.742 GB, free: 38.65 MB / 1.232 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002712/2.3, allocations: 336.5 kB / 1.742 GB, free: 38.57 MB / 1.232 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002931/2.3, allocations: 369.2 kB / 1.742 GB, free: 38.23 MB / 1.232 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03581/2.336, allocations: 21.53 MB / 1.763 GB, free: 17.69 MB / 1.232 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 0.1483/2.484, allocations: 82.87 MB / 1.844 GB, free: 12.76 MB / 1.311 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02403/2.508, allocations: 13.31 MB / 1.857 GB, free: 15.7 MB / 1.326 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0165/2.525, allocations: 9.795 MB / 1.867 GB, free: 5.887 MB / 1.326 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 0.07911/2.604, allocations: 35.5 MB / 1.902 GB, free: 2.09 MB / 1.357 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01829/2.622, allocations: 10.25 MB / 1.912 GB, free: 7.773 MB / 1.373 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02164/2.644, allocations: 5.818 MB / 1.917 GB, free: 2.113 MB / 1.373 GB Notification: Performance of pre-optimization done (n=588): time 3.851e-05/2.644, allocations: 0 / 1.917 GB, free: 2.113 MB / 1.373 GB Notification: Performance of matching and sorting (n=880): time 1.418/4.062, allocations: 239.8 MB / 2.151 GB, free: 0.6337 GB / 1.529 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 0.1193/4.182, allocations: 55.25 MB / 2.205 GB, free: 0.5991 GB / 1.529 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02742/4.209, allocations: 17.33 MB / 2.222 GB, free: 0.5896 GB / 1.529 GB Notification: Performance of collectPreVariables (initialization): time 0.004343/4.214, allocations: 227 kB / 2.223 GB, free: 0.5893 GB / 1.529 GB Notification: Performance of collectInitialEqns (initialization): time 0.007995/4.222, allocations: 7.721 MB / 2.23 GB, free: 0.5831 GB / 1.529 GB Notification: Performance of collectInitialBindings (initialization): time 0.01305/4.235, allocations: 3.191 MB / 2.233 GB, free: 0.5814 GB / 1.529 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01624/4.251, allocations: 4.548 MB / 2.238 GB, free: 0.5769 GB / 1.529 GB Notification: Performance of setup shared object (initialization): time 5.396e-05/4.251, allocations: 309 kB / 2.238 GB, free: 0.5766 GB / 1.529 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0339/4.285, allocations: 25.64 MB / 2.263 GB, free: 0.5515 GB / 1.529 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03694/4.322, allocations: 28.49 MB / 2.291 GB, free: 0.5227 GB / 1.529 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06523/4.387, allocations: 46.85 MB / 2.337 GB, free: 487.6 MB / 1.529 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.177e-05/4.387, allocations: 15.94 kB / 2.337 GB, free: 487.6 MB / 1.529 GB Notification: Performance of matching and sorting (n=1652) (initialization): time 0.5769/4.964, allocations: 146 MB / 2.479 GB, free: 341.5 MB / 1.529 GB Notification: Performance of prepare postOptimizeDAE: time 9.218e-05/4.964, allocations: 49.7 kB / 2.479 GB, free: 341.4 MB / 1.529 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.762e-05/4.965, allocations: 52 kB / 2.479 GB, free: 341.4 MB / 1.529 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5407/5.505, allocations: 119.8 MB / 2.596 GB, free: 221.6 MB / 1.529 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02012/5.525, allocations: 3.802 MB / 2.6 GB, free: 217.8 MB / 1.529 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1436/5.669, allocations: 84.29 MB / 2.682 GB, free: 133.1 MB / 1.529 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1739/5.843, allocations: 10.61 MB / 2.693 GB, free: 122.4 MB / 1.529 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008019/5.851, allocations: 1.664 MB / 2.694 GB, free: 120.8 MB / 1.529 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0466/5.898, allocations: 29.02 MB / 2.723 GB, free: 91.73 MB / 1.529 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03692/5.935, allocations: 27.96 MB / 2.75 GB, free: 62.73 MB / 1.529 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06533/6, allocations: 45.77 MB / 2.795 GB, free: 16.17 MB / 1.529 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.942e-05/6, allocations: 16 kB / 2.795 GB, free: 16.15 MB / 1.529 GB Notification: Performance of matching and sorting (n=1652) (initialization_lambda0): time 1.167/7.167, allocations: 144.3 MB / 2.936 GB, free: 0.591 GB / 1.529 GB Notification: Performance of prepare postOptimizeDAE: time 7.132e-05/7.167, allocations: 53.69 kB / 2.936 GB, free: 0.5909 GB / 1.529 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.001e-05/7.167, allocations: 52 kB / 2.936 GB, free: 0.5909 GB / 1.529 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.538/7.705, allocations: 118.8 MB / 3.052 GB, free: 486.6 MB / 1.529 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01904/7.725, allocations: 3.751 MB / 3.055 GB, free: 482.9 MB / 1.529 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1454/7.87, allocations: 88.16 MB / 3.141 GB, free: 394.7 MB / 1.529 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1725/8.043, allocations: 10.65 MB / 3.152 GB, free: 384 MB / 1.529 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007392/8.05, allocations: 1.626 MB / 3.153 GB, free: 382.4 MB / 1.529 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 0.008588/8.059, allocations: 0.7754 MB / 3.154 GB, free: 381.6 MB / 1.529 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00763/8.066, allocations: 1.617 MB / 3.156 GB, free: 380.9 MB / 1.529 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2142/8.28, allocations: 68.7 MB / 3.223 GB, free: 312.4 MB / 1.529 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2175/8.498, allocations: 83.18 MB / 3.304 GB, free: 229.2 MB / 1.529 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001495/8.498, allocations: 35.94 kB / 3.304 GB, free: 229.2 MB / 1.529 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2087/8.707, allocations: 82.08 MB / 3.384 GB, free: 147 MB / 1.529 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.8762/9.583, allocations: 216 MB / 3.595 GB, free: 0.5975 GB / 1.529 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.094e-05/9.583, allocations: 3.938 kB / 3.595 GB, free: 0.5975 GB / 1.529 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01311/9.596, allocations: 2.237 MB / 3.597 GB, free: 0.5974 GB / 1.529 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5354/10.13, allocations: 144.7 MB / 3.739 GB, free: 0.4886 GB / 1.529 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004583/10.14, allocations: 0.8103 MB / 3.74 GB, free: 499.5 MB / 1.529 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1199/10.26, allocations: 72.1 MB / 3.81 GB, free: 427.4 MB / 1.529 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:4690:9-4690:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:804:5-804:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]