Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Simplified1") translateModel(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Examples.FlowSystem.Simplified1") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001439/0.001439, allocations: 104.2 kB / 16.41 MB, free: 6.492 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001593/0.001593, allocations: 193.4 kB / 17.34 MB, free: 5.762 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.311/1.311, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002338/0.002338, allocations: 285.2 kB / 291.5 MB, free: 14.46 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.018/1.018, allocations: 169.3 MB / 0.499 GB, free: 4.449 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001897/0.001897, allocations: 99.84 kB / 0.6821 GB, free: 6.957 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4489/0.4509, allocations: 86.97 MB / 0.7671 GB, free: 3.949 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Examples.FlowSystem.Simplified1): time 0.7424/1.193, allocations: 357.7 MB / 1.116 GB, free: 12.17 MB / 0.7481 GB Notification: Performance of NFInst.instExpressions: time 0.1078/1.301, allocations: 75.87 MB / 1.19 GB, free: 140 kB / 0.8106 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01804/1.319, allocations: 433.6 kB / 1.191 GB, free: 15.71 MB / 0.8262 GB Notification: Performance of NFTyping.typeComponents: time 0.01904/1.338, allocations: 6.427 MB / 1.197 GB, free: 9.246 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.04315/1.382, allocations: 14.1 MB / 1.211 GB, free: 11.1 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.02639/1.408, allocations: 10.18 MB / 1.221 GB, free: 0.9844 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.1061/1.514, allocations: 74.33 MB / 1.293 GB, free: 6.508 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03233/1.546, allocations: 20.05 MB / 1.313 GB, free: 2.301 MB / 0.9356 GB Notification: Performance of NFEvalConstants.evaluate: time 1.044/2.591, allocations: 17.44 MB / 1.33 GB, free: 66.06 MB / 0.9357 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03131/2.622, allocations: 16.43 MB / 1.346 GB, free: 64.23 MB / 0.9357 GB Notification: Performance of NFPackage.collectConstants: time 0.01016/2.632, allocations: 1.97 MB / 1.348 GB, free: 64.23 MB / 0.9357 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02295/2.655, allocations: 6.065 MB / 1.354 GB, free: 64.23 MB / 0.9357 GB Notification: Performance of NFScalarize.scalarize: time 0.0133/2.669, allocations: 6.521 MB / 1.36 GB, free: 63.5 MB / 0.9357 GB Notification: Performance of NFVerifyModel.verify: time 0.02845/2.697, allocations: 11.22 MB / 1.371 GB, free: 60.58 MB / 0.9357 GB Notification: Performance of NFConvertDAE.convert: time 0.04997/2.747, allocations: 31.18 MB / 1.402 GB, free: 57.28 MB / 0.9357 GB Notification: Performance of FrontEnd - DAE generated: time 7.795e-06/2.747, allocations: 0 / 1.402 GB, free: 57.28 MB / 0.9357 GB Notification: Performance of FrontEnd: time 2.264e-06/2.747, allocations: 0 / 1.402 GB, free: 57.28 MB / 0.9357 GB Notification: Performance of Transformations before backend: time 0.001147/2.748, allocations: 0 / 1.402 GB, free: 57.28 MB / 0.9357 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 0.07997/2.828, allocations: 23.94 MB / 1.425 GB, free: 48.72 MB / 0.9357 GB Notification: Performance of prepare preOptimizeDAE: time 4.963e-05/2.828, allocations: 11.34 kB / 1.425 GB, free: 48.72 MB / 0.9357 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02007/2.848, allocations: 3.195 MB / 1.428 GB, free: 47.67 MB / 0.9357 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04985/2.898, allocations: 20.85 MB / 1.449 GB, free: 42.75 MB / 0.9357 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008394/2.899, allocations: 0.6679 MB / 1.449 GB, free: 42.73 MB / 0.9357 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.006531/2.906, allocations: 0.953 MB / 1.45 GB, free: 42.71 MB / 0.9357 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04565/2.951, allocations: 17.1 MB / 1.467 GB, free: 32.96 MB / 0.9357 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0006203/2.952, allocations: 15.81 kB / 1.467 GB, free: 32.95 MB / 0.9357 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005576/2.958, allocations: 331.2 kB / 1.467 GB, free: 32.88 MB / 0.9357 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004389/2.958, allocations: 368.4 kB / 1.468 GB, free: 32.54 MB / 0.9357 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04317/3.001, allocations: 21.53 MB / 1.489 GB, free: 17.68 MB / 0.9357 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 0.1676/3.169, allocations: 82.94 MB / 1.57 GB, free: 12.84 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02658/3.196, allocations: 13.31 MB / 1.583 GB, free: 15.78 MB / 1.029 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01805/3.214, allocations: 9.803 MB / 1.592 GB, free: 5.953 MB / 1.029 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 0.08808/3.302, allocations: 35.53 MB / 1.627 GB, free: 2.059 MB / 1.061 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02157/3.323, allocations: 10.24 MB / 1.637 GB, free: 7.75 MB / 1.076 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02369/3.347, allocations: 5.813 MB / 1.643 GB, free: 2.094 MB / 1.076 GB Notification: Performance of pre-optimization done (n=588): time 3.962e-05/3.347, allocations: 0 / 1.643 GB, free: 2.094 MB / 1.076 GB Notification: Performance of matching and sorting (n=880): time 1.39/4.737, allocations: 239.9 MB / 1.877 GB, free: 456.8 MB / 1.154 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 0.1313/4.869, allocations: 55.28 MB / 1.931 GB, free: 400 MB / 1.154 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03859/4.907, allocations: 17.78 MB / 1.948 GB, free: 382.5 MB / 1.154 GB Notification: Performance of collectPreVariables (initialization): time 0.004881/4.912, allocations: 233.7 kB / 1.948 GB, free: 382.2 MB / 1.154 GB Notification: Performance of collectInitialEqns (initialization): time 0.008809/4.921, allocations: 7.714 MB / 1.956 GB, free: 374.8 MB / 1.154 GB Notification: Performance of collectInitialBindings (initialization): time 0.01234/4.933, allocations: 3.191 MB / 1.959 GB, free: 371.6 MB / 1.154 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01766/4.951, allocations: 4.545 MB / 1.963 GB, free: 367.1 MB / 1.154 GB Notification: Performance of setup shared object (initialization): time 4.69e-05/4.951, allocations: 301.1 kB / 1.964 GB, free: 366.8 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0337/4.985, allocations: 25.65 MB / 1.989 GB, free: 341.1 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03722/5.022, allocations: 28.49 MB / 2.017 GB, free: 311.6 MB / 1.154 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06571/5.088, allocations: 46.84 MB / 2.062 GB, free: 264 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.267e-05/5.088, allocations: 16 kB / 2.062 GB, free: 264 MB / 1.154 GB Notification: Performance of matching and sorting (n=1652) (initialization): time 0.6175/5.705, allocations: 146 MB / 2.205 GB, free: 117.8 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001015/5.706, allocations: 57.64 kB / 2.205 GB, free: 117.7 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.04e-05/5.706, allocations: 55.98 kB / 2.205 GB, free: 117.7 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.043/6.749, allocations: 119.8 MB / 2.322 GB, free: 0.4983 GB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02059/6.77, allocations: 3.799 MB / 2.326 GB, free: 0.4983 GB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1556/6.926, allocations: 84.28 MB / 2.408 GB, free: 487.3 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2115/7.137, allocations: 10.61 MB / 2.418 GB, free: 481.2 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008444/7.146, allocations: 1.668 MB / 2.42 GB, free: 479.5 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04828/7.194, allocations: 29.03 MB / 2.448 GB, free: 450.4 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03605/7.23, allocations: 27.96 MB / 2.476 GB, free: 421.5 MB / 1.154 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06472/7.295, allocations: 45.77 MB / 2.52 GB, free: 374.9 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.848e-05/7.295, allocations: 12 kB / 2.52 GB, free: 374.9 MB / 1.154 GB Notification: Performance of matching and sorting (n=1652) (initialization_lambda0): time 0.59/7.885, allocations: 144.3 MB / 2.661 GB, free: 231.5 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001109/7.885, allocations: 50.67 kB / 2.661 GB, free: 231.4 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001038/7.885, allocations: 52 kB / 2.661 GB, free: 231.4 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5651/8.45, allocations: 118.8 MB / 2.778 GB, free: 112.9 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0193/8.47, allocations: 3.751 MB / 2.781 GB, free: 109.2 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1745/8.644, allocations: 88.16 MB / 2.867 GB, free: 20.94 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.7202/9.364, allocations: 10.66 MB / 2.878 GB, free: 497.4 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008663/9.373, allocations: 1.634 MB / 2.879 GB, free: 497.4 MB / 1.154 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 0.01164/9.385, allocations: 0.7711 MB / 2.88 GB, free: 497.2 MB / 1.154 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0112/9.396, allocations: 1.613 MB / 2.882 GB, free: 497.2 MB / 1.154 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2281/9.624, allocations: 68.7 MB / 2.949 GB, free: 491.9 MB / 1.154 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2304/9.854, allocations: 83.19 MB / 3.03 GB, free: 430.8 MB / 1.154 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0002263/9.855, allocations: 30.5 kB / 3.03 GB, free: 430.7 MB / 1.154 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2239/10.08, allocations: 82.07 MB / 3.11 GB, free: 348.7 MB / 1.154 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3988/10.48, allocations: 216.1 MB / 3.321 GB, free: 132.7 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001/10.48, allocations: 7.922 kB / 3.321 GB, free: 132.6 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01371/10.49, allocations: 2.238 MB / 3.323 GB, free: 130.4 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.035/11.53, allocations: 144.7 MB / 3.465 GB, free: 484.1 MB / 1.154 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.005195/11.53, allocations: 0.8132 MB / 3.465 GB, free: 484.1 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1297/11.66, allocations: 72.1 MB / 3.536 GB, free: 465.6 MB / 1.154 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]