Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.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/IDEAS 3.0.0/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 IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Examples.FlowSystem.Simplified1") translateModel(IDEAS.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Examples.FlowSystem.Simplified1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00177/0.00177, allocations: 183.2 kB / 15.98 MB, free: 5.77 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7475/0.7475, allocations: 132.2 MB / 148.9 MB, free: 12.14 MB / 122.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.34/1.34, allocations: 222.9 MB / 403.3 MB, free: 7.07 MB / 314.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001015/0.001015, allocations: 99.67 kB / 484.3 MB, free: 8.703 MB / 394.7 MB Notification: Performance of FrontEnd - loaded program: time 0.001094/0.001094, allocations: 51.92 kB / 0.5618 GB, free: 71.04 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.129/0.1301, allocations: 80.2 MB / 0.6402 GB, free: 6.773 MB / 442.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.FlowSystem.Simplified1): time 0.9573/1.087, allocations: 353 MB / 0.9849 GB, free: 48.53 MB / 0.6823 GB Notification: Performance of NFInst.instExpressions: time 0.09023/1.178, allocations: 73 MB / 1.056 GB, free: 45.33 MB / 0.6823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01584/1.194, allocations: 397 kB / 1.057 GB, free: 45.33 MB / 0.6823 GB Notification: Performance of NFTyping.typeComponents: time 0.01394/1.208, allocations: 4.422 MB / 1.061 GB, free: 44.3 MB / 0.6823 GB Notification: Performance of NFTyping.typeBindings: time 0.03422/1.242, allocations: 12.53 MB / 1.073 GB, free: 37.47 MB / 0.6823 GB Notification: Performance of NFTyping.typeClassSections: time 0.02103/1.263, allocations: 8.893 MB / 1.082 GB, free: 31.97 MB / 0.6823 GB Notification: Performance of NFFlatten.flatten: time 0.04472/1.308, allocations: 48.58 MB / 1.129 GB, free: 4.285 MB / 0.698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02893/1.337, allocations: 17.54 MB / 1.146 GB, free: 3.336 MB / 0.7136 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03155/1.368, allocations: 14.71 MB / 1.161 GB, free: 5.293 MB / 0.7292 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0272/1.395, allocations: 15.76 MB / 1.176 GB, free: 6.715 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.007053/1.403, allocations: 1.211 MB / 1.177 GB, free: 5.504 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02258/1.425, allocations: 4.875 MB / 1.182 GB, free: 0.8828 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 0.01086/1.436, allocations: 5.106 MB / 1.187 GB, free: 12.01 MB / 0.7605 GB Notification: Performance of NFVerifyModel.verify: time 0.03064/1.467, allocations: 9.533 MB / 1.196 GB, free: 2.66 MB / 0.7605 GB Notification: Performance of NFConvertDAE.convert: time 0.04064/1.507, allocations: 27.98 MB / 1.224 GB, free: 7.742 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 7.484e-06/1.507, allocations: 0 / 1.224 GB, free: 7.742 MB / 0.7917 GB Notification: Performance of FrontEnd: time 1.493e-06/1.507, allocations: 3.938 kB / 1.224 GB, free: 7.738 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 0.0008012/1.508, allocations: 0 / 1.224 GB, free: 7.738 MB / 0.7917 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 0.06066/1.569, allocations: 22.14 MB / 1.245 GB, free: 1.668 MB / 0.8073 GB Notification: Performance of prepare preOptimizeDAE: time 4.249e-05/1.569, allocations: 8.031 kB / 1.245 GB, free: 1.66 MB / 0.8073 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.011/1.58, allocations: 2.233 MB / 1.248 GB, free: 15.4 MB / 0.823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.03869/1.619, allocations: 15.57 MB / 1.263 GB, free: 112 kB / 0.823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.5106/2.129, allocations: 0.6796 MB / 1.263 GB, free: 365 MB / 0.823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004445/2.134, allocations: 0.9279 MB / 1.264 GB, free: 365 MB / 0.823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04056/2.174, allocations: 16.45 MB / 1.28 GB, free: 359 MB / 0.823 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002448/2.175, allocations: 18.53 kB / 1.28 GB, free: 359 MB / 0.823 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002553/2.177, allocations: 323.1 kB / 1.281 GB, free: 358.8 MB / 0.823 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003405/2.178, allocations: 366.6 kB / 1.281 GB, free: 358.8 MB / 0.823 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03904/2.217, allocations: 20.93 MB / 1.301 GB, free: 350.5 MB / 0.823 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 0.1228/2.34, allocations: 80.47 MB / 1.38 GB, free: 276 MB / 0.823 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01749/2.357, allocations: 12.71 MB / 1.392 GB, free: 263.6 MB / 0.823 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01205/2.369, allocations: 9.511 MB / 1.402 GB, free: 254 MB / 0.823 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 0.06788/2.437, allocations: 34.4 MB / 1.435 GB, free: 219.8 MB / 0.823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01546/2.453, allocations: 9.711 MB / 1.445 GB, free: 210 MB / 0.823 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02502/2.478, allocations: 8.563 MB / 1.453 GB, free: 202.1 MB / 0.823 GB Notification: Performance of pre-optimization done (n=576): time 4.383e-05/2.478, allocations: 0 / 1.453 GB, free: 202.1 MB / 0.823 GB Notification: Performance of matching and sorting (n=868): time 1.526/4.004, allocations: 236.6 MB / 1.684 GB, free: 321.5 MB / 0.8231 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 0.1264/4.13, allocations: 54.46 MB / 1.737 GB, free: 287.3 MB / 0.8231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02903/4.159, allocations: 14.81 MB / 1.752 GB, free: 280.1 MB / 0.8231 GB Notification: Performance of collectPreVariables (initialization): time 0.0047/4.164, allocations: 228.3 kB / 1.752 GB, free: 279.9 MB / 0.8231 GB Notification: Performance of collectInitialEqns (initialization): time 0.008174/4.172, allocations: 7.205 MB / 1.759 GB, free: 274.9 MB / 0.8231 GB Notification: Performance of collectInitialBindings (initialization): time 0.01164/4.184, allocations: 3.135 MB / 1.762 GB, free: 272.9 MB / 0.8231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01571/4.199, allocations: 4.091 MB / 1.766 GB, free: 270.6 MB / 0.8231 GB Notification: Performance of setup shared object (initialization): time 4.608e-05/4.2, allocations: 301.1 kB / 1.766 GB, free: 270.3 MB / 0.8231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03358/4.233, allocations: 24.24 MB / 1.79 GB, free: 246 MB / 0.8231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03507/4.268, allocations: 26.86 MB / 1.816 GB, free: 218.1 MB / 0.8231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06397/4.332, allocations: 44.28 MB / 1.86 GB, free: 173.1 MB / 0.8231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.258e-05/4.332, allocations: 16 kB / 1.86 GB, free: 173 MB / 0.8231 GB Notification: Performance of matching and sorting (n=1384) (initialization): time 0.6169/4.949, allocations: 142.8 MB / 1.999 GB, free: 30.09 MB / 0.8231 GB Notification: Performance of prepare postOptimizeDAE: time 7.98e-05/4.949, allocations: 53.95 kB / 1.999 GB, free: 30.04 MB / 0.8231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.003e-05/4.949, allocations: 52 kB / 1.999 GB, free: 29.98 MB / 0.8231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.9354/5.885, allocations: 119.8 MB / 2.116 GB, free: 274 MB / 0.8231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01917/5.904, allocations: 3.516 MB / 2.12 GB, free: 270.6 MB / 0.8231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1417/6.046, allocations: 79.99 MB / 2.198 GB, free: 190.5 MB / 0.8231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2266/6.272, allocations: 10.88 MB / 2.208 GB, free: 179.7 MB / 0.8231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006796/6.279, allocations: 1.637 MB / 2.21 GB, free: 178 MB / 0.8231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0386/6.318, allocations: 27.27 MB / 2.237 GB, free: 150.7 MB / 0.8231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03187/6.35, allocations: 26.39 MB / 2.262 GB, free: 123.3 MB / 0.8231 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05921/6.409, allocations: 43.37 MB / 2.305 GB, free: 79.15 MB / 0.8231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.59e-05/6.409, allocations: 16 kB / 2.305 GB, free: 79.14 MB / 0.8231 GB Notification: Performance of matching and sorting (n=1384) (initialization_lambda0): time 0.9215/7.331, allocations: 141.2 MB / 2.443 GB, free: 283.5 MB / 0.8231 GB Notification: Performance of prepare postOptimizeDAE: time 7.208e-05/7.331, allocations: 56.95 kB / 2.443 GB, free: 283.5 MB / 0.8231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.654e-05/7.331, allocations: 52.69 kB / 2.443 GB, free: 283.5 MB / 0.8231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5876/7.918, allocations: 118.8 MB / 2.559 GB, free: 175.2 MB / 0.8231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01704/7.935, allocations: 3.474 MB / 2.562 GB, free: 171.8 MB / 0.8231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1415/8.077, allocations: 83.5 MB / 2.644 GB, free: 88.25 MB / 0.8231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2204/8.297, allocations: 10.9 MB / 2.654 GB, free: 77.38 MB / 0.8231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006236/8.304, allocations: 1.601 MB / 2.656 GB, free: 75.78 MB / 0.8231 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 0.007419/8.311, allocations: 0.7303 MB / 2.657 GB, free: 75.04 MB / 0.8231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006596/8.318, allocations: 1.473 MB / 2.658 GB, free: 74.36 MB / 0.8231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.5983/8.916, allocations: 67.96 MB / 2.724 GB, free: 289.3 MB / 0.8231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2394/9.155, allocations: 82.6 MB / 2.805 GB, free: 271.6 MB / 0.8231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001379/9.156, allocations: 36.69 kB / 2.805 GB, free: 271.6 MB / 0.8231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2284/9.384, allocations: 81.49 MB / 2.885 GB, free: 194.3 MB / 0.8231 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 0.6931/10.08, allocations: 206.3 MB / 3.086 GB, free: 277.4 MB / 0.8231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.206e-05/10.08, allocations: 3.938 kB / 3.086 GB, free: 277.4 MB / 0.8231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01294/10.09, allocations: 2.149 MB / 3.088 GB, free: 277.3 MB / 0.8231 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5851/10.68, allocations: 144.7 MB / 3.23 GB, free: 188 MB / 0.8231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004242/10.68, allocations: 0.8025 MB / 3.23 GB, free: 187.2 MB / 0.8231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1316/10.81, allocations: 69.45 MB / 3.298 GB, free: 117.7 MB / 0.8231 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.