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 9.1.2-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-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 0.001469/0.001469, allocations: 105.3 kB / 16.35 MB, free: 5.824 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001673/0.001673, allocations: 190.5 kB / 17.29 MB, free: 5.48 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.395/1.395, allocations: 222.9 MB / 241 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.2-maint.9.1.x/package.mo): time 2.252/2.252, allocations: 390.3 MB / 0.6655 GB, free: 0.6055 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001995/0.001995, allocations: 61.38 kB / 0.814 GB, free: 32.67 MB / 0.6231 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.309/0.3111, allocations: 140.4 MB / 0.9511 GB, free: 8.07 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.9863/1.297, allocations: 355.6 MB / 1.298 GB, free: 3.797 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.1044/1.402, allocations: 72.93 MB / 1.37 GB, free: 10.7 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01816/1.42, allocations: 425.5 kB / 1.37 GB, free: 10.29 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.01795/1.438, allocations: 5.321 MB / 1.375 GB, free: 4.934 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.03873/1.477, allocations: 13.52 MB / 1.388 GB, free: 7.371 MB / 1.045 GB Notification: Performance of NFTyping.typeClassSections: time 0.02549/1.502, allocations: 9.782 MB / 1.398 GB, free: 13.67 MB / 1.061 GB Notification: Performance of NFFlatten.flatten: time 0.0596/1.562, allocations: 37.65 MB / 1.435 GB, free: 7.91 MB / 1.092 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03499/1.597, allocations: 19.82 MB / 1.454 GB, free: 3.938 MB / 1.107 GB Notification: Performance of NFEvalConstants.evaluate: time 0.04071/1.638, allocations: 16.77 MB / 1.47 GB, free: 3.145 MB / 1.123 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03633/1.674, allocations: 15.89 MB / 1.486 GB, free: 3.191 MB / 1.139 GB Notification: Performance of NFPackage.collectConstants: time 0.01108/1.685, allocations: 1.871 MB / 1.488 GB, free: 1.32 MB / 1.139 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02664/1.712, allocations: 5.712 MB / 1.493 GB, free: 11.6 MB / 1.154 GB Notification: Performance of NFScalarize.scalarize: time 0.01382/1.726, allocations: 5.81 MB / 1.499 GB, free: 5.773 MB / 1.154 GB Notification: Performance of NFVerifyModel.verify: time 0.02656/1.752, allocations: 10.33 MB / 1.509 GB, free: 11.39 MB / 1.17 GB Notification: Performance of NFConvertDAE.convert: time 1.461/3.214, allocations: 28.84 MB / 1.537 GB, free: 109.3 MB / 1.186 GB Notification: Performance of FrontEnd - DAE generated: time 9.818e-06/3.214, allocations: 0 / 1.537 GB, free: 109.3 MB / 1.186 GB Notification: Performance of FrontEnd: time 2.715e-06/3.214, allocations: 0.625 kB / 1.537 GB, free: 109.3 MB / 1.186 GB Notification: Performance of Transformations before backend: time 0.001065/3.215, allocations: 0 / 1.537 GB, free: 109.3 MB / 1.186 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 0.08456/3.299, allocations: 22.12 MB / 1.559 GB, free: 102.6 MB / 1.186 GB Notification: Performance of prepare preOptimizeDAE: time 4.984e-05/3.3, allocations: 10.62 kB / 1.559 GB, free: 102.6 MB / 1.186 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01829/3.318, allocations: 2.574 MB / 1.561 GB, free: 101.6 MB / 1.186 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.05313/3.371, allocations: 15.97 MB / 1.577 GB, free: 98.78 MB / 1.186 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001388/3.372, allocations: 0.6615 MB / 1.578 GB, free: 98.76 MB / 1.186 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.006818/3.379, allocations: 0.9362 MB / 1.579 GB, free: 98.74 MB / 1.186 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04305/3.422, allocations: 16.55 MB / 1.595 GB, free: 97.93 MB / 1.186 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0004883/3.423, allocations: 15.2 kB / 1.595 GB, free: 97.93 MB / 1.186 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004472/3.427, allocations: 329 kB / 1.595 GB, free: 97.93 MB / 1.186 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004151/3.428, allocations: 365.7 kB / 1.595 GB, free: 97.91 MB / 1.186 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04386/3.472, allocations: 21.08 MB / 1.616 GB, free: 97.83 MB / 1.186 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 0.1372/3.609, allocations: 81.08 MB / 1.695 GB, free: 62.41 MB / 1.186 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01857/3.628, allocations: 12.82 MB / 1.708 GB, free: 58.76 MB / 1.186 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01275/3.64, allocations: 9.576 MB / 1.717 GB, free: 52.97 MB / 1.186 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 0.07249/3.713, allocations: 34.49 MB / 1.751 GB, free: 18.15 MB / 1.186 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01615/3.729, allocations: 9.795 MB / 1.76 GB, free: 8.289 MB / 1.186 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02002/3.749, allocations: 5.768 MB / 1.766 GB, free: 2.68 MB / 1.186 GB Notification: Performance of pre-optimization done (n=572): time 3.404e-05/3.749, allocations: 0 / 1.766 GB, free: 2.68 MB / 1.186 GB Notification: Performance of matching and sorting (n=864): time 0.9964/4.746, allocations: 239 MB / 1.999 GB, free: 3.102 MB / 1.42 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 0.759/5.505, allocations: 55.25 MB / 2.053 GB, free: 0.6562 GB / 1.467 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.04093/5.546, allocations: 14.91 MB / 2.068 GB, free: 0.6548 GB / 1.467 GB Notification: Performance of collectPreVariables (initialization): time 0.005265/5.551, allocations: 225.9 kB / 2.068 GB, free: 0.6546 GB / 1.467 GB Notification: Performance of collectInitialEqns (initialization): time 0.00995/5.561, allocations: 7.113 MB / 2.075 GB, free: 0.6505 GB / 1.467 GB Notification: Performance of collectInitialBindings (initialization): time 0.01367/5.575, allocations: 3.119 MB / 2.078 GB, free: 0.6501 GB / 1.467 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01825/5.593, allocations: 4.094 MB / 2.082 GB, free: 0.6493 GB / 1.467 GB Notification: Performance of setup shared object (initialization): time 4.423e-05/5.593, allocations: 302.3 kB / 2.082 GB, free: 0.649 GB / 1.467 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03601/5.629, allocations: 24.32 MB / 2.106 GB, free: 0.6425 GB / 1.467 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03633/5.665, allocations: 26.94 MB / 2.132 GB, free: 0.6331 GB / 1.467 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06304/5.728, allocations: 44.43 MB / 2.176 GB, free: 0.6058 GB / 1.467 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.298e-05/5.728, allocations: 22.22 kB / 2.176 GB, free: 0.6058 GB / 1.467 GB Notification: Performance of matching and sorting (n=1380) (initialization): time 0.5558/6.284, allocations: 142.9 MB / 2.315 GB, free: 478.5 MB / 1.467 GB Notification: Performance of prepare postOptimizeDAE: time 8.651e-05/6.284, allocations: 61.73 kB / 2.315 GB, free: 478.4 MB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.774e-05/6.284, allocations: 52 kB / 2.316 GB, free: 478.3 MB / 1.467 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5294/6.814, allocations: 119.8 MB / 2.433 GB, free: 358.6 MB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01898/6.833, allocations: 3.541 MB / 2.436 GB, free: 355 MB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1492/6.982, allocations: 84.03 MB / 2.518 GB, free: 270.6 MB / 1.467 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1717/7.154, allocations: 10.51 MB / 2.528 GB, free: 260.1 MB / 1.467 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008105/7.162, allocations: 1.64 MB / 2.53 GB, free: 258.4 MB / 1.467 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04734/7.209, allocations: 27.34 MB / 2.557 GB, free: 231.1 MB / 1.467 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0363/7.246, allocations: 26.47 MB / 2.583 GB, free: 203.6 MB / 1.467 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06465/7.31, allocations: 43.51 MB / 2.625 GB, free: 159.3 MB / 1.467 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.724e-05/7.311, allocations: 19.98 kB / 2.625 GB, free: 159.2 MB / 1.467 GB Notification: Performance of matching and sorting (n=1380) (initialization_lambda0): time 1.158/8.469, allocations: 141.4 MB / 2.763 GB, free: 0.6272 GB / 1.467 GB Notification: Performance of prepare postOptimizeDAE: time 8.367e-05/8.469, allocations: 59.61 kB / 2.763 GB, free: 0.6272 GB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.91e-05/8.469, allocations: 51.09 kB / 2.763 GB, free: 0.6272 GB / 1.467 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.543/9.012, allocations: 118.8 MB / 2.879 GB, free: 0.5968 GB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01792/9.03, allocations: 3.506 MB / 2.883 GB, free: 0.5935 GB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1421/9.172, allocations: 88.23 MB / 2.969 GB, free: 0.5073 GB / 1.467 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1671/9.339, allocations: 10.53 MB / 2.979 GB, free: 0.497 GB / 1.467 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0068/9.346, allocations: 1.603 MB / 2.981 GB, free: 0.4954 GB / 1.467 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 (1020): * Single equations (assignments): 1002 * 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 0.008012/9.354, allocations: 0.7338 MB / 2.981 GB, free: 0.4948 GB / 1.467 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007261/9.362, allocations: 1.476 MB / 2.983 GB, free: 0.4941 GB / 1.467 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1968/9.558, allocations: 68.13 MB / 3.049 GB, free: 438.1 MB / 1.467 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2164/9.775, allocations: 82.79 MB / 3.13 GB, free: 355.4 MB / 1.467 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001727/9.775, allocations: 28 kB / 3.13 GB, free: 355.4 MB / 1.467 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2042/9.979, allocations: 81.68 MB / 3.21 GB, free: 273.7 MB / 1.467 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3464/10.33, allocations: 206.3 MB / 3.411 GB, free: 67.38 MB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001101/10.33, allocations: 4 kB / 3.411 GB, free: 67.38 MB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0124/10.34, allocations: 2.171 MB / 3.414 GB, free: 65.2 MB / 1.467 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.16/11.5, allocations: 144.7 MB / 3.555 GB, free: 0.591 GB / 1.467 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00463/11.5, allocations: 0.8015 MB / 3.556 GB, free: 0.5905 GB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1192/11.62, allocations: 71.8 MB / 3.626 GB, free: 0.5407 GB / 1.467 GB Warning: The linear system: 1 : valNorth2[3].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth2[1].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ valNorth2[2].port_a.p ; valSouth1[1].port_b.p ] = [ -valNorth2[3].dp ; -valNorth2[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 : 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 : valNorth2[1].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p 2 : valNorth2[3].dp = valNorth2[2].port_a.p - valSouth1[1].port_b.p [ 1.0 , -1.0 ; 1.0 , -1.0 ] * [ valSouth1[1].port_b.p ; valNorth2[2].port_a.p ] = [ -valNorth2[1].dp ; -valNorth2[3].dp ] might be structurally or numerically singular for variable valNorth2[2].port_a.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[2].m_flow ; tabsSouth1[1].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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2348:10-2348:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2265:9-2265:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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 (615): * Single equations (assignments): 592 * 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), (62,192)} [/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]