Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.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: translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_9_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_9_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 0.001457/0.001457, allocations: 103.4 kB / 15.33 MB, free: 0.5078 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002371/0.00237, allocations: 195.9 kB / 16.26 MB, free: 6.625 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.495/1.495, allocations: 222.9 MB / 239.9 MB, free: 4.457 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.493/2.493, allocations: 390.2 MB / 0.6644 GB, free: 0.5352 MB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001391/0.001391, allocations: 67.89 kB / 0.812 GB, free: 14.76 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6656/0.667, allocations: 140.4 MB / 0.9491 GB, free: 9.359 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.9068/1.574, allocations: 352.2 MB / 1.293 GB, free: 59.7 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.09779/1.672, allocations: 72.44 MB / 1.364 GB, free: 56.73 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01868/1.69, allocations: 395.8 kB / 1.364 GB, free: 56.73 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.01723/1.708, allocations: 4.634 MB / 1.369 GB, free: 55.61 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.0369/1.745, allocations: 12.59 MB / 1.381 GB, free: 49.57 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.02441/1.769, allocations: 9.009 MB / 1.39 GB, free: 44.01 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.0421/1.811, allocations: 37.89 MB / 1.427 GB, free: 13.53 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0322/1.843, allocations: 19.77 MB / 1.446 GB, free: 10.35 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.04168/1.885, allocations: 16.93 MB / 1.463 GB, free: 10.34 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03095/1.916, allocations: 16.33 MB / 1.479 GB, free: 11.18 MB / 1.045 GB Notification: Performance of NFPackage.collectConstants: time 0.00823/1.924, allocations: 1.871 MB / 1.48 GB, free: 9.305 MB / 1.045 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0205/1.945, allocations: 5.755 MB / 1.486 GB, free: 3.801 MB / 1.045 GB Notification: Performance of NFScalarize.scalarize: time 0.0114/1.956, allocations: 5.842 MB / 1.492 GB, free: 14.18 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.02482/1.981, allocations: 10.35 MB / 1.502 GB, free: 4.016 MB / 1.061 GB Notification: Performance of NFConvertDAE.convert: time 0.04994/2.031, allocations: 28.64 MB / 1.53 GB, free: 8.445 MB / 1.092 GB Notification: Performance of FrontEnd - DAE generated: time 6.182e-06/2.031, allocations: 0 / 1.53 GB, free: 8.445 MB / 1.092 GB Notification: Performance of FrontEnd: time 2.184e-06/2.031, allocations: 0 / 1.53 GB, free: 8.445 MB / 1.092 GB Notification: Performance of Transformations before backend: time 0.0009838/2.032, allocations: 0 / 1.53 GB, free: 8.445 MB / 1.092 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 0.06952/2.102, allocations: 22.15 MB / 1.551 GB, free: 2.363 MB / 1.107 GB Notification: Performance of prepare preOptimizeDAE: time 4.575e-05/2.102, allocations: 8.031 kB / 1.551 GB, free: 2.355 MB / 1.107 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01515/2.117, allocations: 2.574 MB / 1.554 GB, free: 15.75 MB / 1.123 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.03924/2.156, allocations: 15.69 MB / 1.569 GB, free: 352 kB / 1.123 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007894/2.157, allocations: 0.6833 MB / 1.57 GB, free: 15.66 MB / 1.139 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004557/2.162, allocations: 0.9345 MB / 1.571 GB, free: 14.74 MB / 1.139 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04027/2.202, allocations: 16.57 MB / 1.587 GB, free: 13.99 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003081/2.202, allocations: 7.938 kB / 1.587 GB, free: 13.98 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003275/2.206, allocations: 326.5 kB / 1.587 GB, free: 13.67 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004297/2.206, allocations: 371.2 kB / 1.588 GB, free: 13.3 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0416/2.248, allocations: 21.1 MB / 1.608 GB, free: 8.188 MB / 1.17 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 0.1395/2.387, allocations: 80.75 MB / 1.687 GB, free: 4.484 MB / 1.248 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02317/2.41, allocations: 12.89 MB / 1.7 GB, free: 7.84 MB / 1.264 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01575/2.426, allocations: 9.595 MB / 1.709 GB, free: 14.23 MB / 1.279 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 1.071/3.497, allocations: 34.5 MB / 1.743 GB, free: 0.5003 GB / 1.279 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02025/3.518, allocations: 9.807 MB / 1.752 GB, free: 0.497 GB / 1.279 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02631/3.544, allocations: 7.526 MB / 1.76 GB, free: 0.4954 GB / 1.279 GB Notification: Performance of pre-optimization done (n=576): time 4.24e-05/3.544, allocations: 0 / 1.76 GB, free: 0.4954 GB / 1.279 GB Notification: Performance of matching and sorting (n=868): time 0.9401/4.484, allocations: 237.1 MB / 1.991 GB, free: 289.9 MB / 1.279 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 0.1221/4.606, allocations: 55.27 MB / 2.045 GB, free: 233.1 MB / 1.279 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02304/4.629, allocations: 14.81 MB / 2.06 GB, free: 218.4 MB / 1.279 GB Notification: Performance of collectPreVariables (initialization): time 0.004186/4.634, allocations: 225.4 kB / 2.06 GB, free: 218.2 MB / 1.279 GB Notification: Performance of collectInitialEqns (initialization): time 0.006603/4.64, allocations: 7.212 MB / 2.067 GB, free: 211.1 MB / 1.279 GB Notification: Performance of collectInitialBindings (initialization): time 0.01181/4.652, allocations: 3.132 MB / 2.07 GB, free: 207.9 MB / 1.279 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01491/4.667, allocations: 4.095 MB / 2.074 GB, free: 203.8 MB / 1.279 GB Notification: Performance of setup shared object (initialization): time 4.02e-05/4.667, allocations: 301.1 kB / 2.074 GB, free: 203.5 MB / 1.279 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03049/4.698, allocations: 24.35 MB / 2.098 GB, free: 179.2 MB / 1.279 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0337/4.731, allocations: 26.94 MB / 2.124 GB, free: 151.2 MB / 1.279 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06365/4.795, allocations: 44.47 MB / 2.168 GB, free: 105.9 MB / 1.279 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.819e-05/4.795, allocations: 12 kB / 2.168 GB, free: 105.9 MB / 1.279 GB Notification: Performance of matching and sorting (n=1384) (initialization): time 1.686/6.481, allocations: 143 MB / 2.307 GB, free: 467 MB / 1.28 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001139/6.482, allocations: 55.89 kB / 2.307 GB, free: 466.9 MB / 1.28 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.689e-05/6.482, allocations: 53.36 kB / 2.308 GB, free: 466.9 MB / 1.28 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5641/7.046, allocations: 119.9 MB / 2.425 GB, free: 382.9 MB / 1.28 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0187/7.065, allocations: 3.56 MB / 2.428 GB, free: 379.4 MB / 1.28 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1564/7.221, allocations: 84.02 MB / 2.51 GB, free: 295.3 MB / 1.28 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1723/7.393, allocations: 10.92 MB / 2.521 GB, free: 284.4 MB / 1.28 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008148/7.401, allocations: 1.637 MB / 2.522 GB, free: 282.8 MB / 1.28 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04405/7.446, allocations: 27.36 MB / 2.549 GB, free: 255.4 MB / 1.28 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03523/7.481, allocations: 26.48 MB / 2.575 GB, free: 227.9 MB / 1.28 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06369/7.545, allocations: 43.53 MB / 2.617 GB, free: 183.5 MB / 1.28 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.942e-05/7.545, allocations: 16 kB / 2.618 GB, free: 183.5 MB / 1.28 GB Notification: Performance of matching and sorting (n=1384) (initialization_lambda0): time 0.6614/8.206, allocations: 141.4 MB / 2.756 GB, free: 42.77 MB / 1.28 GB Notification: Performance of prepare postOptimizeDAE: time 6.25e-05/8.206, allocations: 53.7 kB / 2.756 GB, free: 42.71 MB / 1.28 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.046e-05/8.206, allocations: 52 kB / 2.756 GB, free: 42.66 MB / 1.28 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.134/9.34, allocations: 118.9 MB / 2.872 GB, free: 439.9 MB / 1.28 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01823/9.359, allocations: 3.509 MB / 2.875 GB, free: 438.7 MB / 1.28 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1773/9.536, allocations: 88.27 MB / 2.961 GB, free: 357.5 MB / 1.28 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1776/9.714, allocations: 10.94 MB / 2.972 GB, free: 346.6 MB / 1.28 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007423/9.721, allocations: 1.609 MB / 2.974 GB, free: 345 MB / 1.28 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 0.009748/9.731, allocations: 0.7274 MB / 2.974 GB, free: 344.3 MB / 1.28 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008214/9.739, allocations: 1.476 MB / 2.976 GB, free: 343.6 MB / 1.28 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2118/9.951, allocations: 68.24 MB / 3.042 GB, free: 275.5 MB / 1.28 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2377/10.19, allocations: 82.71 MB / 3.123 GB, free: 192.7 MB / 1.28 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001896/10.19, allocations: 28 kB / 3.123 GB, free: 192.7 MB / 1.28 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2122/10.4, allocations: 81.61 MB / 3.203 GB, free: 111 MB / 1.28 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 1.028/11.43, allocations: 206.3 MB / 3.404 GB, free: 420.3 MB / 1.28 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001074/11.43, allocations: 8.625 kB / 3.404 GB, free: 420.3 MB / 1.28 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01286/11.44, allocations: 2.178 MB / 3.407 GB, free: 420.2 MB / 1.28 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5493/11.99, allocations: 144.9 MB / 3.548 GB, free: 280.4 MB / 1.28 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004557/12, allocations: 0.8064 MB / 3.549 GB, free: 279.6 MB / 1.28 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1299/12.13, allocations: 71.91 MB / 3.619 GB, free: 207.6 MB / 1.28 GB Warning: The linear system: 1 : valSouth1[3].dp = valSouth1[2].port_a.p - valSouth1[1].port_b.p 2 : valSouth1[4].dp = valSouth1[2].port_a.p - valSouth1[1].port_b.p [ 1.0 , -1.0 ; 1.0 , -1.0 ] * [ valSouth1[1].port_b.p ; valSouth1[2].port_a.p ] = [ -valSouth1[3].dp ; -valSouth1[4].dp ] might be structurally or numerically singular for variable valSouth1[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) - $cse375 - 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 + $cse375 + (-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 : valSouth1[4].dp = valSouth1[2].port_a.p - valSouth1[1].port_b.p 2 : valSouth1[3].dp = valSouth1[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valSouth1[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valSouth1[4].dp ; -valSouth1[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) - $cse375 - 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 + $cse375 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2347:10-2347:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2264:9-2264:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($STATESET1.x[32],$STATESET1.x[31],$STATESET1.x[30],$STATESET1.x[29],$STATESET1.x[28],$STATESET1.x[27],$STATESET1.x[26],$STATESET1.x[25],$STATESET1.x[24],$STATESET1.x[23],$STATESET1.x[22],$STATESET1.x[21],$STATESET1.x[20],$STATESET1.x[19],$STATESET1.x[18],$STATESET1.x[17],$STATESET1.x[16],$STATESET1.x[15],$STATESET1.x[14],$STATESET1.x[13],$STATESET1.x[12],$STATESET1.x[11],$STATESET1.x[10],$STATESET1.x[9],$STATESET1.x[8],$STATESET1.x[7],$STATESET1.x[6],$STATESET1.x[5],$STATESET1.x[4],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpSouth.filter.s[1],pmpNorth.vol.dynBal.U,pmpNorth.filter.s[1],valSouth1[1].filter.s[1],valSouth1[2].filter.s[1],valSouth1[3].filter.s[1],valSouth1[4].filter.s[1],valSouth2[1].filter.s[1],valSouth2[2].filter.s[1],valSouth2[3].filter.s[1],valSouth2[4].filter.s[1],valSouth2[5].filter.s[1],valSouth2[6].filter.s[1],valSouth2[7].filter.s[1],valSouth2[8].filter.s[1],valNorth1[1].filter.s[1],valNorth1[2].filter.s[1],valNorth1[3].filter.s[1],valNorth1[4].filter.s[1],valNorth2[1].filter.s[1],valNorth2[2].filter.s[1],valNorth2[3].filter.s[1],valNorth2[4].filter.s[1],valNorth2[5].filter.s[1],valNorth2[6].filter.s[1],valNorth2[7].filter.s[1],valNorth2[8].filter.s[1],valSouth.vol.dynBal.U,valSouth.filter.s[1],valNorth.vol.dynBal.U,valNorth.filter.s[1],spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,pumpHea.filter.s[1],valHea.filter.s[1],valCoo.filter.s[1],spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U,pumpCoo.filter.s[1]) * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count) * Number of discrete states: 1 (stepValve.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (620): * Single equations (assignments): 597 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 3 * If-equations: 0 * Equation systems (not torn): 6 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 6 systems {1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(28,28,89.3%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(36,81), (1,1), (63,191)} [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4638:9-4638:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:798:5-798:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]