Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_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 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.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: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="Buildings_10_Buildings_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="Buildings_10_Buildings_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007232/0.007232, allocations: 96.7 kB / 15.73 MB, free: 6.047 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001703/0.001703, allocations: 194.3 kB / 16.67 MB, free: 5.973 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.329/1.329, allocations: 222.9 MB / 240.4 MB, free: 4.32 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.586/2.586, allocations: 437 MB / 0.7105 GB, free: 5 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.001363/0.001363, allocations: 63.91 kB / 1.018 GB, free: 15.14 MB / 0.7794 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2845/0.2858, allocations: 151.6 MB / 1.166 GB, free: 7.398 MB / 0.92 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 0.9543/1.24, allocations: 357.7 MB / 1.516 GB, free: 428 kB / 1.17 GB Notification: Performance of NFInst.instExpressions: time 0.1119/1.352, allocations: 75.87 MB / 1.59 GB, free: 4.383 MB / 1.248 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01528/1.367, allocations: 433.5 kB / 1.59 GB, free: 3.957 MB / 1.248 GB Notification: Performance of NFTyping.typeComponents: time 0.0198/1.387, allocations: 6.553 MB / 1.596 GB, free: 13.38 MB / 1.264 GB Notification: Performance of NFTyping.typeBindings: time 0.04141/1.429, allocations: 14.76 MB / 1.611 GB, free: 14.56 MB / 1.279 GB Notification: Performance of NFTyping.typeClassSections: time 0.02563/1.454, allocations: 10.19 MB / 1.621 GB, free: 4.441 MB / 1.279 GB Notification: Performance of NFFlatten.flatten: time 0.09745/1.552, allocations: 74.38 MB / 1.693 GB, free: 9.914 MB / 1.357 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02989/1.582, allocations: 20.09 MB / 1.713 GB, free: 5.664 MB / 1.373 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03646/1.618, allocations: 17.48 MB / 1.73 GB, free: 4.152 MB / 1.389 GB Notification: Performance of NFSimplifyModel.simplify: time 0.02944/1.648, allocations: 16.45 MB / 1.746 GB, free: 3.641 MB / 1.404 GB Notification: Performance of NFPackage.collectConstants: time 0.007893/1.656, allocations: 1.969 MB / 1.748 GB, free: 1.672 MB / 1.404 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02031/1.676, allocations: 6.055 MB / 1.754 GB, free: 11.61 MB / 1.42 GB Notification: Performance of NFScalarize.scalarize: time 0.01263/1.689, allocations: 6.519 MB / 1.76 GB, free: 5.07 MB / 1.42 GB Notification: Performance of NFVerifyModel.verify: time 0.0215/1.71, allocations: 11.29 MB / 1.771 GB, free: 9.727 MB / 1.436 GB Notification: Performance of NFConvertDAE.convert: time 0.04639/1.757, allocations: 31.5 MB / 1.802 GB, free: 10.11 MB / 1.467 GB Notification: Performance of FrontEnd - DAE generated: time 7.864e-06/1.757, allocations: 4 kB / 1.802 GB, free: 10.11 MB / 1.467 GB Notification: Performance of FrontEnd: time 1.683e-06/1.757, allocations: 0 / 1.802 GB, free: 10.11 MB / 1.467 GB Notification: Performance of Transformations before backend: time 0.001079/1.758, allocations: 0 / 1.802 GB, free: 10.11 MB / 1.467 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 1.276/3.034, allocations: 24.73 MB / 1.826 GB, free: 0.5056 GB / 1.467 GB Notification: Performance of prepare preOptimizeDAE: time 5.172e-05/3.034, allocations: 9.797 kB / 1.826 GB, free: 0.5056 GB / 1.467 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.006004/3.04, allocations: 1.051 MB / 1.827 GB, free: 0.5051 GB / 1.467 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0225/3.063, allocations: 3.303 MB / 1.831 GB, free: 0.5039 GB / 1.467 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.06484/3.128, allocations: 23.16 MB / 1.853 GB, free: 0.4952 GB / 1.467 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00102/3.129, allocations: 0.6808 MB / 1.854 GB, free: 0.4949 GB / 1.467 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.006482/3.135, allocations: 0.9418 MB / 1.855 GB, free: 0.4946 GB / 1.467 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04897/3.184, allocations: 17.11 MB / 1.871 GB, free: 497.9 MB / 1.467 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0005049/3.185, allocations: 8.812 kB / 1.872 GB, free: 497.9 MB / 1.467 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00508/3.19, allocations: 329.2 kB / 1.872 GB, free: 497.6 MB / 1.467 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.00055/3.191, allocations: 371.7 kB / 1.872 GB, free: 497.6 MB / 1.467 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04312/3.234, allocations: 21.53 MB / 1.893 GB, free: 487.6 MB / 1.467 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 0.1431/3.377, allocations: 83.7 MB / 1.975 GB, free: 401.5 MB / 1.467 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02145/3.398, allocations: 13.32 MB / 1.988 GB, free: 388.5 MB / 1.467 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01432/3.413, allocations: 9.793 MB / 1.998 GB, free: 378.7 MB / 1.467 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 0.07982/3.493, allocations: 35.79 MB / 2.032 GB, free: 342.9 MB / 1.467 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01808/3.511, allocations: 10.25 MB / 2.042 GB, free: 332.6 MB / 1.467 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02206/3.533, allocations: 5.836 MB / 2.048 GB, free: 327.1 MB / 1.467 GB Notification: Performance of pre-optimization done (n=588): time 4.766e-05/3.533, allocations: 0 / 2.048 GB, free: 327.1 MB / 1.467 GB Notification: Performance of matching and sorting (n=880): time 0.9742/4.507, allocations: 240.3 MB / 2.283 GB, free: 85.52 MB / 1.467 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 0.1174/4.625, allocations: 55.31 MB / 2.337 GB, free: 28.45 MB / 1.467 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02712/4.652, allocations: 20.5 MB / 2.357 GB, free: 8.043 MB / 1.467 GB Notification: Performance of collectPreVariables (initialization): time 0.004144/4.656, allocations: 229.7 kB / 2.357 GB, free: 7.812 MB / 1.467 GB Notification: Performance of collectInitialEqns (initialization): time 0.5625/5.219, allocations: 7.842 MB / 2.365 GB, free: 474.6 MB / 1.467 GB Notification: Performance of collectInitialBindings (initialization): time 0.01183/5.23, allocations: 3.337 MB / 2.368 GB, free: 474.6 MB / 1.467 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.02123/5.252, allocations: 4.555 MB / 2.372 GB, free: 474.5 MB / 1.467 GB Notification: Performance of setup shared object (initialization): time 4.319e-05/5.252, allocations: 304.4 kB / 2.373 GB, free: 474.2 MB / 1.467 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.04677/5.298, allocations: 25.63 MB / 2.398 GB, free: 470.9 MB / 1.467 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.04831/5.347, allocations: 28.49 MB / 2.426 GB, free: 460.8 MB / 1.467 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.07447/5.421, allocations: 46.84 MB / 2.471 GB, free: 444.9 MB / 1.467 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001226/5.422, allocations: 14.69 kB / 2.471 GB, free: 444.9 MB / 1.467 GB Notification: Performance of matching and sorting (n=1652) (initialization): time 0.6466/6.068, allocations: 146.1 MB / 2.614 GB, free: 305 MB / 1.467 GB Notification: Performance of prepare postOptimizeDAE: time 8.837e-05/6.068, allocations: 59.78 kB / 2.614 GB, free: 304.9 MB / 1.467 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.295e-05/6.068, allocations: 56 kB / 2.614 GB, free: 304.9 MB / 1.467 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5926/6.661, allocations: 119.8 MB / 2.731 GB, free: 185.4 MB / 1.467 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02147/6.682, allocations: 3.794 MB / 2.735 GB, free: 181.6 MB / 1.467 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1584/6.841, allocations: 84.31 MB / 2.817 GB, free: 97.23 MB / 1.467 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2284/7.069, allocations: 10.62 MB / 2.828 GB, free: 86.61 MB / 1.467 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00846/7.078, allocations: 1.664 MB / 2.829 GB, free: 84.94 MB / 1.467 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0469/7.125, allocations: 29.03 MB / 2.858 GB, free: 55.88 MB / 1.467 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03758/7.162, allocations: 27.97 MB / 2.885 GB, free: 26.88 MB / 1.467 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.7064/7.869, allocations: 45.77 MB / 2.93 GB, free: 466.5 MB / 1.483 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.798e-05/7.869, allocations: 15 kB / 2.93 GB, free: 466.5 MB / 1.483 GB Notification: Performance of matching and sorting (n=1652) (initialization_lambda0): time 0.6344/8.503, allocations: 144.4 MB / 3.071 GB, free: 408.1 MB / 1.483 GB Notification: Performance of prepare postOptimizeDAE: time 7.55e-05/8.503, allocations: 57.69 kB / 3.071 GB, free: 408.1 MB / 1.483 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.047e-05/8.504, allocations: 52 kB / 3.071 GB, free: 408 MB / 1.483 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6073/9.111, allocations: 118.8 MB / 3.187 GB, free: 289.6 MB / 1.483 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0198/9.131, allocations: 3.755 MB / 3.19 GB, free: 285.8 MB / 1.483 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1515/9.282, allocations: 88.21 MB / 3.277 GB, free: 197.6 MB / 1.483 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2296/9.512, allocations: 10.67 MB / 3.287 GB, free: 186.9 MB / 1.483 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008041/9.52, allocations: 1.644 MB / 3.289 GB, free: 185.3 MB / 1.483 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 0.009419/9.529, allocations: 0.7605 MB / 3.289 GB, free: 184.6 MB / 1.483 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00938/9.539, allocations: 1.714 MB / 3.291 GB, free: 183.8 MB / 1.483 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2286/9.767, allocations: 68.7 MB / 3.358 GB, free: 115.4 MB / 1.483 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2487/10.02, allocations: 83.19 MB / 3.439 GB, free: 32.28 MB / 1.483 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.000152/10.02, allocations: 28.88 kB / 3.439 GB, free: 32.25 MB / 1.483 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.9161/10.93, allocations: 82.06 MB / 3.519 GB, free: 465.3 MB / 1.498 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.4153/11.35, allocations: 216.3 MB / 3.731 GB, free: 318.3 MB / 1.498 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.998e-05/11.35, allocations: 3.938 kB / 3.731 GB, free: 318.3 MB / 1.498 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01374/11.36, allocations: 2.247 MB / 3.733 GB, free: 316 MB / 1.498 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5908/11.95, allocations: 144.7 MB / 3.874 GB, free: 171.6 MB / 1.498 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004016/11.96, allocations: 0.8181 MB / 3.875 GB, free: 170.8 MB / 1.498 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1366/12.09, allocations: 72.11 MB / 3.945 GB, free: 98.69 MB / 1.498 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:4689:9-4689:59:writable] Error: Internal error function createStateSetsSets failed. [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:803:5-803:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]