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 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-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: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="Buildings_9_Buildings_Fluid_Examples_FlowSystem_Simplified1",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified1,fileNamePrefix="Buildings_9_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 0.001802/0.001802, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001957/0.001957, allocations: 197.5 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.303/1.303, allocations: 222.9 MB / 240.2 MB, free: 4.418 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.308/2.308, allocations: 390.2 MB / 0.6647 GB, free: 444 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001472/0.001472, allocations: 63.91 kB / 0.8126 GB, free: 14.36 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6537/0.6552, allocations: 140.3 MB / 0.9497 GB, free: 9.137 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified1): time 1.008/1.663, allocations: 355.6 MB / 1.297 GB, free: 60.15 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.09991/1.763, allocations: 72.93 MB / 1.368 GB, free: 56.14 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.02392/1.787, allocations: 430.2 kB / 1.369 GB, free: 56.14 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.01798/1.805, allocations: 5.314 MB / 1.374 GB, free: 54.94 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.04434/1.849, allocations: 13.53 MB / 1.387 GB, free: 47.39 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.02802/1.877, allocations: 9.651 MB / 1.396 GB, free: 41.1 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.04652/1.924, allocations: 37.53 MB / 1.433 GB, free: 9.98 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.03185/1.956, allocations: 19.83 MB / 1.452 GB, free: 6.719 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.04197/1.998, allocations: 16.67 MB / 1.469 GB, free: 6.977 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03182/2.03, allocations: 15.89 MB / 1.484 GB, free: 8.184 MB / 1.045 GB Notification: Performance of NFPackage.collectConstants: time 0.01182/2.042, allocations: 1.879 MB / 1.486 GB, free: 6.305 MB / 1.045 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02605/2.068, allocations: 5.705 MB / 1.492 GB, free: 0.8516 MB / 1.045 GB Notification: Performance of NFScalarize.scalarize: time 0.01207/2.08, allocations: 5.801 MB / 1.497 GB, free: 11.27 MB / 1.061 GB Notification: Performance of NFVerifyModel.verify: time 0.03104/2.111, allocations: 10.4 MB / 1.507 GB, free: 1.051 MB / 1.061 GB Notification: Performance of NFConvertDAE.convert: time 0.06523/2.176, allocations: 28.78 MB / 1.536 GB, free: 5.336 MB / 1.092 GB Notification: Performance of FrontEnd - DAE generated: time 8.226e-06/2.176, allocations: 0 / 1.536 GB, free: 5.336 MB / 1.092 GB Notification: Performance of FrontEnd: time 2.424e-06/2.176, allocations: 4 kB / 1.536 GB, free: 5.332 MB / 1.092 GB Notification: Performance of Transformations before backend: time 0.0009338/2.177, allocations: 0 / 1.536 GB, free: 5.332 MB / 1.092 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 0.07271/2.25, allocations: 22.28 MB / 1.557 GB, free: 15.12 MB / 1.123 GB Notification: Performance of prepare preOptimizeDAE: time 4.957e-05/2.25, allocations: 8.031 kB / 1.557 GB, free: 15.11 MB / 1.123 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.005359/2.255, allocations: 1.04 MB / 1.558 GB, free: 14.07 MB / 1.123 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01622/2.272, allocations: 2.586 MB / 1.561 GB, free: 11.46 MB / 1.123 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04532/2.317, allocations: 17.59 MB / 1.578 GB, free: 10.13 MB / 1.139 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008435/2.318, allocations: 0.6725 MB / 1.579 GB, free: 9.465 MB / 1.139 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005467/2.323, allocations: 0.9332 MB / 1.58 GB, free: 8.539 MB / 1.139 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04468/2.368, allocations: 16.57 MB / 1.596 GB, free: 7.777 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0005324/2.369, allocations: 11.94 kB / 1.596 GB, free: 7.766 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0048/2.374, allocations: 331.6 kB / 1.596 GB, free: 7.453 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004888/2.374, allocations: 363.2 kB / 1.596 GB, free: 7.098 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04781/2.422, allocations: 21.07 MB / 1.617 GB, free: 2.008 MB / 1.17 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 0.1649/2.587, allocations: 82.08 MB / 1.697 GB, free: 12.93 MB / 1.264 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02498/2.612, allocations: 12.84 MB / 1.71 GB, free: 336 kB / 1.264 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01791/2.63, allocations: 9.594 MB / 1.719 GB, free: 6.715 MB / 1.279 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 1.12/3.75, allocations: 34.74 MB / 1.753 GB, free: 0.4964 GB / 1.279 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01723/3.767, allocations: 9.789 MB / 1.763 GB, free: 0.4927 GB / 1.279 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.02007/3.787, allocations: 5.768 MB / 1.768 GB, free: 0.491 GB / 1.279 GB Notification: Performance of pre-optimization done (n=572): time 3.552e-05/3.787, allocations: 2.672 kB / 1.768 GB, free: 0.491 GB / 1.279 GB Notification: Performance of matching and sorting (n=864): time 0.9791/4.767, allocations: 239.2 MB / 2.002 GB, free: 281.8 MB / 1.279 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 0.1222/4.889, allocations: 55.34 MB / 2.056 GB, free: 224.9 MB / 1.279 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02737/4.916, allocations: 17.62 MB / 2.073 GB, free: 207.5 MB / 1.279 GB Notification: Performance of collectPreVariables (initialization): time 0.004502/4.921, allocations: 221.7 kB / 2.073 GB, free: 207.2 MB / 1.279 GB Notification: Performance of collectInitialEqns (initialization): time 0.008155/4.929, allocations: 7.201 MB / 2.08 GB, free: 200.1 MB / 1.279 GB Notification: Performance of collectInitialBindings (initialization): time 0.01117/4.94, allocations: 3.12 MB / 2.083 GB, free: 197 MB / 1.279 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01494/4.955, allocations: 4.095 MB / 2.087 GB, free: 192.9 MB / 1.279 GB Notification: Performance of setup shared object (initialization): time 5.339e-05/4.955, allocations: 301.1 kB / 2.088 GB, free: 192.6 MB / 1.279 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03341/4.989, allocations: 24.33 MB / 2.111 GB, free: 168.2 MB / 1.279 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03496/5.024, allocations: 26.93 MB / 2.138 GB, free: 140.3 MB / 1.279 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06651/5.09, allocations: 44.44 MB / 2.181 GB, free: 95.01 MB / 1.279 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.384e-05/5.09, allocations: 19.94 kB / 2.181 GB, free: 94.99 MB / 1.279 GB Notification: Performance of matching and sorting (n=1380) (initialization): time 1.55/6.641, allocations: 143 MB / 2.321 GB, free: 461.9 MB / 1.28 GB Notification: Performance of prepare postOptimizeDAE: time 7.467e-05/6.641, allocations: 58.81 kB / 2.321 GB, free: 461.8 MB / 1.28 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.887e-05/6.641, allocations: 51.34 kB / 2.321 GB, free: 461.8 MB / 1.28 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6145/7.255, allocations: 119.9 MB / 2.438 GB, free: 371.7 MB / 1.28 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01835/7.274, allocations: 3.545 MB / 2.441 GB, free: 368.3 MB / 1.28 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1396/7.413, allocations: 84.06 MB / 2.523 GB, free: 284.1 MB / 1.28 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2187/7.632, allocations: 10.51 MB / 2.534 GB, free: 273.6 MB / 1.28 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006365/7.639, allocations: 1.643 MB / 2.535 GB, free: 272 MB / 1.28 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04012/7.679, allocations: 27.35 MB / 2.562 GB, free: 244.6 MB / 1.28 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0333/7.712, allocations: 26.48 MB / 2.588 GB, free: 217.1 MB / 1.28 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06244/7.775, allocations: 43.5 MB / 2.63 GB, free: 172.8 MB / 1.28 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.453e-05/7.775, allocations: 16 kB / 2.63 GB, free: 172.8 MB / 1.28 GB Notification: Performance of matching and sorting (n=1380) (initialization_lambda0): time 0.6296/8.404, allocations: 141.4 MB / 2.768 GB, free: 32.02 MB / 1.28 GB Notification: Performance of prepare postOptimizeDAE: time 6.872e-05/8.404, allocations: 61.69 kB / 2.768 GB, free: 31.95 MB / 1.28 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.692e-05/8.404, allocations: 51.47 kB / 2.769 GB, free: 31.9 MB / 1.28 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.116/9.52, allocations: 118.9 MB / 2.885 GB, free: 434.9 MB / 1.28 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01851/9.539, allocations: 3.506 MB / 2.888 GB, free: 433.7 MB / 1.28 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1578/9.697, allocations: 88.27 MB / 2.974 GB, free: 346.4 MB / 1.28 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2301/9.927, allocations: 10.55 MB / 2.985 GB, free: 335.8 MB / 1.28 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006608/9.933, allocations: 1.604 MB / 2.986 GB, free: 334.2 MB / 1.28 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 0.008213/9.942, allocations: 0.7228 MB / 2.987 GB, free: 333.5 MB / 1.28 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007854/9.949, allocations: 1.486 MB / 2.988 GB, free: 332.8 MB / 1.28 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.234/10.18, allocations: 68.17 MB / 3.055 GB, free: 264.7 MB / 1.28 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2421/10.43, allocations: 82.79 MB / 3.136 GB, free: 181.9 MB / 1.28 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001365/10.43, allocations: 28 kB / 3.136 GB, free: 181.9 MB / 1.28 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2308/10.66, allocations: 81.69 MB / 3.216 GB, free: 100.1 MB / 1.28 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.7991/11.46, allocations: 206.6 MB / 3.417 GB, free: 414.4 MB / 1.28 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.846e-05/11.46, allocations: 0 / 3.417 GB, free: 414.4 MB / 1.28 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01343/11.47, allocations: 2.168 MB / 3.419 GB, free: 412.3 MB / 1.28 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.5917/12.06, allocations: 144.9 MB / 3.561 GB, free: 268.8 MB / 1.28 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004064/12.07, allocations: 0.8025 MB / 3.562 GB, free: 268 MB / 1.28 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1361/12.2, allocations: 71.82 MB / 3.632 GB, free: 196.1 MB / 1.28 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 + $cse374 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2347:10-2347:88:writable] Error: Internal error function optimizeJacobianMatrix failed [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/BackEnd/SymbolicJacobian.mo:2264:9-2264:79:writable] Error: Internal error function createJacobian failed Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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: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]