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/Complex 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) 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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/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) Running command: translateModel(IBPSA.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified1") translateModel(IBPSA.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001848/0.001848, allocations: 186.6 kB / 16.63 MB, free: 5.121 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6356/0.6356, allocations: 87.49 MB / 104.9 MB, free: 13.04 MB / 90.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.577/1.577, allocations: 222.9 MB / 349.1 MB, free: 2.738 MB / 282.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001109/0.001109, allocations: 106.5 kB / 420 MB, free: 8.484 MB / 314.7 MB Notification: Performance of FrontEnd - loaded program: time 0.001019/0.001019, allocations: 59.91 kB / 0.4891 GB, free: 7.699 MB / 394.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3855/0.3865, allocations: 70.06 MB / 0.5575 GB, free: 44.59 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified1): time 0.6202/1.007, allocations: 353 MB / 0.9022 GB, free: 10.95 MB / 0.6042 GB Notification: Performance of NFInst.instExpressions: time 0.5756/1.582, allocations: 73.02 MB / 0.9735 GB, free: 19.46 MB / 0.6511 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01952/1.602, allocations: 395.8 kB / 0.9739 GB, free: 19.46 MB / 0.6511 GB Notification: Performance of NFTyping.typeComponents: time 0.01664/1.619, allocations: 4.427 MB / 0.9782 GB, free: 19.46 MB / 0.6511 GB Notification: Performance of NFTyping.typeBindings: time 0.03989/1.659, allocations: 12.54 MB / 0.9905 GB, free: 19.12 MB / 0.6511 GB Notification: Performance of NFTyping.typeClassSections: time 0.02271/1.681, allocations: 8.896 MB / 0.9992 GB, free: 18.9 MB / 0.6511 GB Notification: Performance of NFFlatten.flatten: time 0.05526/1.737, allocations: 48.63 MB / 1.047 GB, free: 13.81 MB / 0.6511 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02495/1.762, allocations: 17.56 MB / 1.064 GB, free: 1.352 MB / 0.6511 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03957/1.801, allocations: 14.72 MB / 1.078 GB, free: 5.508 MB / 0.6667 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03391/1.835, allocations: 15.77 MB / 1.094 GB, free: 8.402 MB / 0.6823 GB Notification: Performance of NFPackage.collectConstants: time 0.008642/1.844, allocations: 1.211 MB / 1.095 GB, free: 7.191 MB / 0.6823 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02304/1.867, allocations: 4.886 MB / 1.1 GB, free: 2.566 MB / 0.6823 GB Notification: Performance of NFScalarize.scalarize: time 0.01145/1.878, allocations: 5.103 MB / 1.105 GB, free: 13.7 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.02601/1.905, allocations: 9.535 MB / 1.114 GB, free: 4.352 MB / 0.698 GB Notification: Performance of NFConvertDAE.convert: time 0.04542/1.95, allocations: 28 MB / 1.141 GB, free: 9.418 MB / 0.7292 GB Notification: Performance of FrontEnd - DAE generated: time 5.74e-06/1.95, allocations: 0 / 1.141 GB, free: 9.418 MB / 0.7292 GB Notification: Performance of FrontEnd: time 1.433e-06/1.95, allocations: 0 / 1.141 GB, free: 9.418 MB / 0.7292 GB Notification: Performance of Transformations before backend: time 0.0009792/1.951, allocations: 0 / 1.141 GB, free: 9.418 MB / 0.7292 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2029 * Number of variables: 2029 Notification: Performance of Generate backend data structure: time 0.06553/2.017, allocations: 22.15 MB / 1.163 GB, free: 3.344 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 4.91e-05/2.017, allocations: 8.031 kB / 1.163 GB, free: 3.336 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01635/2.033, allocations: 2.574 MB / 1.165 GB, free: 0.7383 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04698/2.08, allocations: 15.69 MB / 1.181 GB, free: 1.328 MB / 0.7605 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009485/2.081, allocations: 0.6864 MB / 1.181 GB, free: 0.6523 MB / 0.7605 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005509/2.087, allocations: 0.9253 MB / 1.182 GB, free: 15.73 MB / 0.7761 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04293/2.129, allocations: 16.56 MB / 1.198 GB, free: 14.98 MB / 0.7917 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004383/2.13, allocations: 15.92 kB / 1.198 GB, free: 14.97 MB / 0.7917 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00405/2.134, allocations: 327.5 kB / 1.199 GB, free: 14.66 MB / 0.7917 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004522/2.134, allocations: 371.2 kB / 1.199 GB, free: 14.29 MB / 0.7917 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0428/2.177, allocations: 21.11 MB / 1.22 GB, free: 9.172 MB / 0.8073 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 0.4678/2.645, allocations: 80.74 MB / 1.299 GB, free: 404.3 MB / 0.8386 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02231/2.667, allocations: 12.89 MB / 1.311 GB, free: 397.1 MB / 0.8386 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01581/2.683, allocations: 9.593 MB / 1.321 GB, free: 391.5 MB / 0.8386 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 0.0802/2.764, allocations: 34.48 MB / 1.354 GB, free: 363.3 MB / 0.8386 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01876/2.782, allocations: 9.814 MB / 1.364 GB, free: 353.5 MB / 0.8386 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02773/2.81, allocations: 8.554 MB / 1.372 GB, free: 345.9 MB / 0.8386 GB Notification: Performance of pre-optimization done (n=576): time 5.802e-05/2.81, allocations: 3.938 kB / 1.372 GB, free: 345.9 MB / 0.8386 GB Notification: Performance of matching and sorting (n=868): time 0.9268/3.737, allocations: 237 MB / 1.604 GB, free: 109.5 MB / 0.8386 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 0.1208/3.858, allocations: 54.47 MB / 1.657 GB, free: 53.52 MB / 0.8386 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02232/3.88, allocations: 14.8 MB / 1.671 GB, free: 38.85 MB / 0.8386 GB Notification: Performance of collectPreVariables (initialization): time 0.003678/3.884, allocations: 233.8 kB / 1.671 GB, free: 38.61 MB / 0.8386 GB Notification: Performance of collectInitialEqns (initialization): time 0.005973/3.89, allocations: 7.209 MB / 1.678 GB, free: 31.4 MB / 0.8386 GB Notification: Performance of collectInitialBindings (initialization): time 0.01127/3.901, allocations: 3.133 MB / 1.682 GB, free: 28.29 MB / 0.8386 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01353/3.915, allocations: 4.093 MB / 1.686 GB, free: 24.19 MB / 0.8386 GB Notification: Performance of setup shared object (initialization): time 3.369e-05/3.915, allocations: 305.1 kB / 1.686 GB, free: 23.89 MB / 0.8386 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.298/4.213, allocations: 24.33 MB / 1.71 GB, free: 388.8 MB / 0.8386 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03605/4.249, allocations: 26.94 MB / 1.736 GB, free: 381.7 MB / 0.8386 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06242/4.312, allocations: 44.45 MB / 1.779 GB, free: 366.8 MB / 0.8386 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.243e-05/4.312, allocations: 13.44 kB / 1.779 GB, free: 366.8 MB / 0.8386 GB Notification: Performance of matching and sorting (n=1384) (initialization): time 0.5858/4.897, allocations: 143 MB / 1.919 GB, free: 236.9 MB / 0.8386 GB Notification: Performance of prepare postOptimizeDAE: time 8.885e-05/4.898, allocations: 61.91 kB / 1.919 GB, free: 236.8 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.186e-05/4.898, allocations: 51.66 kB / 1.919 GB, free: 236.8 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5744/5.472, allocations: 119.8 MB / 2.036 GB, free: 117.3 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01871/5.491, allocations: 3.548 MB / 2.04 GB, free: 113.8 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1505/5.641, allocations: 80 MB / 2.118 GB, free: 33.67 MB / 0.8386 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2219/5.863, allocations: 10.92 MB / 2.128 GB, free: 22.77 MB / 0.8386 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006686/5.87, allocations: 1.637 MB / 2.13 GB, free: 21.13 MB / 0.8386 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.3181/6.188, allocations: 27.35 MB / 2.157 GB, free: 376.6 MB / 0.8386 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03582/6.224, allocations: 26.49 MB / 2.182 GB, free: 367.2 MB / 0.8386 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06444/6.288, allocations: 43.51 MB / 2.225 GB, free: 348.4 MB / 0.8386 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 0.0001001/6.289, allocations: 17.97 kB / 2.225 GB, free: 348.3 MB / 0.8386 GB Notification: Performance of matching and sorting (n=1384) (initialization_lambda0): time 0.5965/6.885, allocations: 141.4 MB / 2.363 GB, free: 211.4 MB / 0.8386 GB Notification: Performance of prepare postOptimizeDAE: time 6.789e-05/6.885, allocations: 53.7 kB / 2.363 GB, free: 211.3 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.615e-05/6.885, allocations: 52.88 kB / 2.363 GB, free: 211.2 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5734/7.459, allocations: 118.8 MB / 2.479 GB, free: 92.8 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01776/7.476, allocations: 3.505 MB / 2.483 GB, free: 89.29 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4598/7.936, allocations: 83.48 MB / 2.564 GB, free: 348.1 MB / 0.8386 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2214/8.158, allocations: 10.94 MB / 2.575 GB, free: 348.1 MB / 0.8386 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006323/8.164, allocations: 1.605 MB / 2.576 GB, free: 348.1 MB / 0.8386 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 (1024): * Single equations (assignments): 1006 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 0 * 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 0.006942/8.171, allocations: 0.7365 MB / 2.577 GB, free: 348 MB / 0.8386 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006987/8.178, allocations: 1.474 MB / 2.579 GB, free: 348 MB / 0.8386 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2216/8.4, allocations: 68.15 MB / 2.645 GB, free: 333.7 MB / 0.8386 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2388/8.639, allocations: 82.78 MB / 2.726 GB, free: 262 MB / 0.8386 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.000218/8.639, allocations: 31.94 kB / 2.726 GB, free: 261.9 MB / 0.8386 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2241/8.863, allocations: 81.65 MB / 2.806 GB, free: 180.3 MB / 0.8386 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 postOpt removeSimpleEquations (simulation): time 0.6406/9.504, allocations: 206.5 MB / 3.007 GB, free: 349.5 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.877e-05/9.504, allocations: 7.594 kB / 3.007 GB, free: 349.5 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01293/9.517, allocations: 2.182 MB / 3.01 GB, free: 349.3 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5784/10.1, allocations: 144.7 MB / 3.151 GB, free: 247.2 MB / 0.8386 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.005392/10.1, allocations: 0.8025 MB / 3.152 GB, free: 246.4 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1255/10.23, allocations: 69.46 MB / 3.219 GB, free: 176.9 MB / 0.8386 GB Warning: The linear system: 1 : valSouth2[1].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p 2 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valSouth2[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valSouth2[1].dp ; -valSouth2[4].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. Warning: The linear system: 1 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p 2 : valSouth2[1].dp = valSouth2[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valSouth2[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valSouth2[4].dp ; -valSouth2[1].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 : 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 2 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ tabsSouth1[1].m_flow ; tabsSouth1[2].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 ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2314:10-2314:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2231:9-2231:79:writable] Error: Internal error function createJacobian failed Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2314:10-2314:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork@2/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2231:9-2231:79:writable] Error: Internal error function createJacobian failed Error: post-optimization module symbolicJacobian (simulation) failed.