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 0.001441/0.001441, allocations: 112.6 kB / 16.37 MB, free: 6 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001471/0.001471, allocations: 196 kB / 17.31 MB, free: 5.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.388/1.388, allocations: 222.9 MB / 241 MB, free: 15.18 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 2.205/2.205, allocations: 390.3 MB / 0.6655 GB, free: 0.5703 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.001329/0.001329, allocations: 68.33 kB / 0.814 GB, free: 32.65 MB / 0.6231 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2438/0.2452, allocations: 140.4 MB / 0.9511 GB, free: 8.059 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.777/1.022, allocations: 355.6 MB / 1.298 GB, free: 3.746 MB / 0.9512 GB Notification: Performance of NFInst.instExpressions: time 0.1004/1.123, allocations: 72.92 MB / 1.37 GB, free: 10.66 MB / 1.029 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01479/1.137, allocations: 425.5 kB / 1.37 GB, free: 10.24 MB / 1.029 GB Notification: Performance of NFTyping.typeComponents: time 0.01533/1.153, allocations: 5.313 MB / 1.375 GB, free: 4.895 MB / 1.029 GB Notification: Performance of NFTyping.typeBindings: time 0.03724/1.19, allocations: 13.52 MB / 1.388 GB, free: 7.328 MB / 1.045 GB Notification: Performance of NFTyping.typeClassSections: time 0.02347/1.214, allocations: 9.779 MB / 1.398 GB, free: 13.62 MB / 1.061 GB Notification: Performance of NFFlatten.flatten: time 0.04368/1.257, allocations: 37.65 MB / 1.435 GB, free: 7.863 MB / 1.092 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02653/1.284, allocations: 19.82 MB / 1.454 GB, free: 3.887 MB / 1.107 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03308/1.317, allocations: 16.77 MB / 1.47 GB, free: 3.098 MB / 1.123 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02732/1.344, allocations: 15.89 MB / 1.486 GB, free: 3.152 MB / 1.139 GB Notification: Performance of NFPackage.collectConstants: time 0.006971/1.351, allocations: 1.875 MB / 1.488 GB, free: 1.277 MB / 1.139 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01905/1.37, allocations: 5.712 MB / 1.493 GB, free: 11.56 MB / 1.154 GB Notification: Performance of NFScalarize.scalarize: time 0.01011/1.381, allocations: 5.802 MB / 1.499 GB, free: 5.738 MB / 1.154 GB Notification: Performance of NFVerifyModel.verify: time 0.0197/1.4, allocations: 10.34 MB / 1.509 GB, free: 11.35 MB / 1.17 GB Notification: Performance of NFConvertDAE.convert: time 1.115/2.515, allocations: 28.83 MB / 1.537 GB, free: 109.1 MB / 1.186 GB Notification: Performance of FrontEnd - DAE generated: time 8.516e-06/2.515, allocations: 1.75 kB / 1.537 GB, free: 109.1 MB / 1.186 GB Notification: Performance of FrontEnd: time 1.914e-06/2.515, allocations: 0 / 1.537 GB, free: 109.1 MB / 1.186 GB Notification: Performance of Transformations before backend: time 0.0009387/2.516, allocations: 1.594 kB / 1.537 GB, free: 109.1 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 0.07131/2.587, allocations: 22.13 MB / 1.559 GB, free: 102.3 MB / 1.186 GB Notification: Performance of prepare preOptimizeDAE: time 4.119e-05/2.587, allocations: 10.44 kB / 1.559 GB, free: 102.3 MB / 1.186 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01643/2.604, allocations: 2.577 MB / 1.561 GB, free: 101.3 MB / 1.186 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04412/2.648, allocations: 15.97 MB / 1.577 GB, free: 98.53 MB / 1.186 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008627/2.649, allocations: 0.6676 MB / 1.578 GB, free: 98.52 MB / 1.186 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005439/2.654, allocations: 0.9346 MB / 1.579 GB, free: 98.5 MB / 1.186 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04403/2.698, allocations: 16.56 MB / 1.595 GB, free: 97.69 MB / 1.186 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0005434/2.699, allocations: 7.625 kB / 1.595 GB, free: 97.69 MB / 1.186 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004609/2.703, allocations: 328.4 kB / 1.595 GB, free: 97.68 MB / 1.186 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003885/2.704, allocations: 367 kB / 1.595 GB, free: 97.67 MB / 1.186 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03733/2.741, allocations: 21.07 MB / 1.616 GB, free: 97.59 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 0.1236/2.865, allocations: 81.08 MB / 1.695 GB, free: 62.17 MB / 1.186 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02061/2.885, allocations: 12.83 MB / 1.708 GB, free: 58.59 MB / 1.186 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01335/2.899, allocations: 9.578 MB / 1.717 GB, free: 52.89 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 0.06693/2.966, allocations: 34.49 MB / 1.751 GB, free: 18.07 MB / 1.186 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0173/2.983, allocations: 9.791 MB / 1.76 GB, free: 8.211 MB / 1.186 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02049/3.004, allocations: 5.767 MB / 1.766 GB, free: 2.602 MB / 1.186 GB Notification: Performance of pre-optimization done (n=572): time 3.344e-05/3.004, allocations: 0 / 1.766 GB, free: 2.602 MB / 1.186 GB Notification: Performance of matching and sorting (n=864): time 0.9807/3.984, allocations: 239 MB / 1.999 GB, free: 3.02 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 0.6591/4.644, allocations: 55.25 MB / 2.053 GB, free: 0.6565 GB / 1.467 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03614/4.68, allocations: 14.91 MB / 2.068 GB, free: 0.6549 GB / 1.467 GB Notification: Performance of collectPreVariables (initialization): time 0.005281/4.685, allocations: 228.8 kB / 2.068 GB, free: 0.6548 GB / 1.467 GB Notification: Performance of collectInitialEqns (initialization): time 0.009964/4.695, allocations: 7.119 MB / 2.075 GB, free: 0.6507 GB / 1.467 GB Notification: Performance of collectInitialBindings (initialization): time 0.01305/4.708, allocations: 3.115 MB / 2.078 GB, free: 0.6502 GB / 1.467 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01928/4.727, allocations: 4.094 MB / 2.082 GB, free: 0.6494 GB / 1.467 GB Notification: Performance of setup shared object (initialization): time 4.41e-05/4.728, allocations: 302.6 kB / 2.082 GB, free: 0.6492 GB / 1.467 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03755/4.765, allocations: 24.33 MB / 2.106 GB, free: 0.6426 GB / 1.467 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03883/4.804, allocations: 26.93 MB / 2.132 GB, free: 0.6333 GB / 1.467 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06383/4.868, allocations: 44.44 MB / 2.176 GB, free: 0.6057 GB / 1.467 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.681e-05/4.868, allocations: 12 kB / 2.176 GB, free: 0.6057 GB / 1.467 GB Notification: Performance of matching and sorting (n=1380) (initialization): time 0.5645/5.432, allocations: 142.9 MB / 2.315 GB, free: 478.4 MB / 1.467 GB Notification: Performance of prepare postOptimizeDAE: time 9.975e-05/5.433, allocations: 54.95 kB / 2.315 GB, free: 478.3 MB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.502e-05/5.433, allocations: 52.88 kB / 2.316 GB, free: 478.2 MB / 1.467 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.542/5.975, allocations: 119.9 MB / 2.433 GB, free: 358.5 MB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01909/5.994, allocations: 3.542 MB / 2.436 GB, free: 354.9 MB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1362/6.13, allocations: 84.02 MB / 2.518 GB, free: 270.5 MB / 1.467 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1743/6.304, allocations: 10.52 MB / 2.528 GB, free: 260 MB / 1.467 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007365/6.312, allocations: 1.634 MB / 2.53 GB, free: 258.3 MB / 1.467 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04012/6.352, allocations: 27.35 MB / 2.557 GB, free: 230.9 MB / 1.467 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03327/6.385, allocations: 26.46 MB / 2.583 GB, free: 203.5 MB / 1.467 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0625/6.448, allocations: 43.51 MB / 2.625 GB, free: 159.1 MB / 1.467 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.897e-05/6.448, allocations: 16 kB / 2.625 GB, free: 159.1 MB / 1.467 GB Notification: Performance of matching and sorting (n=1380) (initialization_lambda0): time 1.072/7.52, allocations: 141.4 MB / 2.763 GB, free: 0.6274 GB / 1.467 GB Notification: Performance of prepare postOptimizeDAE: time 7.605e-05/7.52, allocations: 53.86 kB / 2.763 GB, free: 0.6274 GB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001002/7.52, allocations: 55.72 kB / 2.763 GB, free: 0.6274 GB / 1.467 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5483/8.068, allocations: 118.8 MB / 2.879 GB, free: 0.5967 GB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01805/8.086, allocations: 3.503 MB / 2.883 GB, free: 0.5934 GB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1456/8.232, allocations: 88.22 MB / 2.969 GB, free: 0.5073 GB / 1.467 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.177/8.409, allocations: 10.54 MB / 2.979 GB, free: 0.497 GB / 1.467 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006325/8.415, allocations: 1.609 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 0.005995/8.421, allocations: 0.7275 MB / 2.981 GB, free: 0.4948 GB / 1.467 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006336/8.428, allocations: 1.48 MB / 2.983 GB, free: 0.4941 GB / 1.467 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.199/8.627, allocations: 68.13 MB / 3.049 GB, free: 438 MB / 1.467 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2139/8.841, allocations: 82.8 MB / 3.13 GB, free: 355.4 MB / 1.467 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001073/8.841, allocations: 28 kB / 3.13 GB, free: 355.3 MB / 1.467 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2047/9.046, allocations: 81.68 MB / 3.21 GB, free: 273.6 MB / 1.467 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3274/9.373, allocations: 206.3 MB / 3.411 GB, free: 67.35 MB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.182e-05/9.373, allocations: 0 / 3.411 GB, free: 67.35 MB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01277/9.386, allocations: 2.174 MB / 3.414 GB, free: 65.17 MB / 1.467 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.062/10.45, allocations: 144.7 MB / 3.555 GB, free: 0.5912 GB / 1.467 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004502/10.45, allocations: 0.8018 MB / 3.556 GB, free: 0.5907 GB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1195/10.57, allocations: 71.81 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]