Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001415/0.001415, allocations: 107.9 kB / 16.45 MB, free: 6.453 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001634/0.001634, allocations: 213.7 kB / 19.43 MB, free: 3.625 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.473/1.473, allocations: 230.6 MB / 252.8 MB, free: 8.949 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 3.219/3.219, allocations: 0.505 GB / 0.8066 GB, free: 23.05 MB / 0.6231 GB
"
[Timeout remaining time 176]
Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="Buildings_latest_Buildings_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="Buildings_latest_Buildings_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.00192/0.00192, allocations: 71.98 kB / 1.172 GB, free: 17.42 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3131/0.315, allocations: 180.2 MB / 1.348 GB, free: 9.922 MB / 1.045 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 1.047/1.362, allocations: 361.7 MB / 1.701 GB, free: 46.79 MB / 1.295 GB
Notification: Performance of NFInst.instExpressions: time 0.08494/1.447, allocations: 75.91 MB / 1.775 GB, free: 28.73 MB / 1.295 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01465/1.462, allocations: 0.5983 MB / 1.776 GB, free: 28.41 MB / 1.295 GB
Notification: Performance of NFTyping.typeComponents: time 0.01659/1.479, allocations: 6.6 MB / 1.782 GB, free: 23.28 MB / 1.295 GB
Notification: Performance of NFTyping.typeBindings: time 0.04026/1.519, allocations: 14.67 MB / 1.797 GB, free: 11.56 MB / 1.295 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02346/1.542, allocations: 10.37 MB / 1.807 GB, free: 4.023 MB / 1.295 GB
Notification: Performance of NFFlatten.flatten: time 0.07608/1.618, allocations: 55.27 MB / 1.861 GB, free: 304 kB / 1.342 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.03379/1.652, allocations: 17.05 MB / 1.877 GB, free: 15.1 MB / 1.373 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03803/1.69, allocations: 17.71 MB / 1.895 GB, free: 13.36 MB / 1.389 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03041/1.721, allocations: 16.37 MB / 1.911 GB, free: 12.93 MB / 1.404 GB
Notification: Performance of NFPackage.collectConstants: time 0.008229/1.729, allocations: 1.898 MB / 1.912 GB, free: 11.04 MB / 1.404 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01994/1.749, allocations: 6.219 MB / 1.918 GB, free: 4.809 MB / 1.404 GB
Notification: Performance of NFScalarize.scalarize: time 0.01045/1.759, allocations: 6.327 MB / 1.925 GB, free: 14.46 MB / 1.42 GB
Notification: Performance of NFVerifyModel.verify: time 0.02314/1.782, allocations: 10.92 MB / 1.935 GB, free: 3.492 MB / 1.42 GB
Notification: Performance of NFConvertDAE.convert: time 0.05233/1.835, allocations: 30.64 MB / 1.965 GB, free: 4.738 MB / 1.451 GB
Notification: Performance of FrontEnd - DAE generated: time 5.691e-06/1.835, allocations: 0 / 1.965 GB, free: 4.738 MB / 1.451 GB
Notification: Performance of FrontEnd: time 1.753e-06/1.835, allocations: 0 / 1.965 GB, free: 4.738 MB / 1.451 GB
Notification: Performance of Transformations before backend: time 0.0007975/1.835, allocations: 0 / 1.965 GB, free: 4.738 MB / 1.451 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1949
 * Number of variables: 1949
Notification: Performance of Generate backend data structure: time 0.06281/1.898, allocations: 21.15 MB / 1.986 GB, free: 15.39 MB / 1.482 GB
Notification: Performance of prepare preOptimizeDAE: time 5.24e-05/1.898, allocations: 12.03 kB / 1.986 GB, free: 15.38 MB / 1.482 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004714/1.903, allocations: 0.9963 MB / 1.987 GB, free: 14.37 MB / 1.482 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.019/1.922, allocations: 3.224 MB / 1.99 GB, free: 11.13 MB / 1.482 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.05067/1.973, allocations: 22.56 MB / 2.012 GB, free: 4.473 MB / 1.498 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008217/1.974, allocations: 0.6516 MB / 2.013 GB, free: 3.82 MB / 1.498 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004568/1.978, allocations: 0.9022 MB / 2.014 GB, free: 2.918 MB / 1.498 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04303/2.021, allocations: 17.27 MB / 2.03 GB, free: 1.414 MB / 1.514 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0003615/2.021, allocations: 11.89 kB / 2.03 GB, free: 1.402 MB / 1.514 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003527/2.025, allocations: 324 kB / 2.031 GB, free: 1.086 MB / 1.514 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002494/2.025, allocations: 211.9 kB / 2.031 GB, free: 0.8789 MB / 1.514 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04497/2.07, allocations: 21.51 MB / 2.052 GB, free: 11.35 MB / 1.545 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 0.1518/2.222, allocations: 80.44 MB / 2.131 GB, free: 7.066 MB / 1.623 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02843/2.25, allocations: 12.96 MB / 2.143 GB, free: 10.09 MB / 1.639 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01929/2.27, allocations: 9.356 MB / 2.152 GB, free: 0.707 MB / 1.639 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 0.07461/2.344, allocations: 34.18 MB / 2.186 GB, free: 13.96 MB / 1.686 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02184/2.366, allocations: 10.81 MB / 2.196 GB, free: 3.078 MB / 1.686 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.03057/2.397, allocations: 8.247 MB / 2.204 GB, free: 10.82 MB / 1.701 GB
Notification: Performance of pre-optimization done (n=548): time 2.486e-05/2.397, allocations: 0 / 2.204 GB, free: 10.82 MB / 1.701 GB
Notification: Performance of matching and sorting (n=832): time 1.634/4.031, allocations: 248.9 MB / 2.447 GB, free: 0.5501 GB / 1.764 GB
Warning: The linear system: 
1 : 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
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[1].m_flow ;
  tabsSouth1[2].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 ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].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 + 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 : 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.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0
2 : tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0
[
  -1.0 , -1.0 ;
  1.0 , 1.0
]
  *
[
  tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0
]
  =
[
  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.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0
]
 might be structurally or numerically singular for variable tabsSouth1.2.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 0.1058/4.137, allocations: 52.74 MB / 2.499 GB, free: 0.4974 GB / 1.764 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0332/4.17, allocations: 19.64 MB / 2.518 GB, free: 489.8 MB / 1.764 GB
Notification: Performance of collectPreVariables (initialization): time 0.005577/4.176, allocations: 221.7 kB / 2.518 GB, free: 489.6 MB / 1.764 GB
Notification: Performance of collectInitialEqns (initialization): time 0.008776/4.184, allocations: 7.504 MB / 2.526 GB, free: 482.4 MB / 1.764 GB
Notification: Performance of collectInitialBindings (initialization): time 0.01148/4.196, allocations: 3.131 MB / 2.529 GB, free: 479.3 MB / 1.764 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01906/4.215, allocations: 4.388 MB / 2.533 GB, free: 474.9 MB / 1.764 GB
Notification: Performance of setup shared object (initialization): time 4.345e-05/4.215, allocations: 309.2 kB / 2.533 GB, free: 474.6 MB / 1.764 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0347/4.25, allocations: 25.06 MB / 2.558 GB, free: 449.5 MB / 1.764 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0359/4.285, allocations: 27.9 MB / 2.585 GB, free: 420.5 MB / 1.764 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.06678/4.352, allocations: 45.96 MB / 2.63 GB, free: 373.9 MB / 1.764 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.322e-05/4.352, allocations: 15.94 kB / 2.63 GB, free: 373.8 MB / 1.764 GB
Notification: Performance of matching and sorting (n=1548) (initialization): time 0.6234/4.976, allocations: 145.7 MB / 2.772 GB, free: 228 MB / 1.764 GB
Notification: Performance of prepare postOptimizeDAE: time 7e-05/4.976, allocations: 53.7 kB / 2.772 GB, free: 227.9 MB / 1.764 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.121e-05/4.976, allocations: 44 kB / 2.772 GB, free: 227.9 MB / 1.764 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6029/5.579, allocations: 125.4 MB / 2.895 GB, free: 102.5 MB / 1.764 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01752/5.596, allocations: 3.224 MB / 2.898 GB, free: 99.28 MB / 1.764 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1436/5.74, allocations: 86.89 MB / 2.983 GB, free: 11.96 MB / 1.764 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.8236/6.564, allocations: 10.72 MB / 2.993 GB, free: 0.6089 GB / 1.764 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.008782/6.572, allocations: 1.654 MB / 2.995 GB, free: 0.6089 GB / 1.764 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04687/6.619, allocations: 28.1 MB / 3.022 GB, free: 0.6074 GB / 1.764 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03479/6.654, allocations: 27.28 MB / 3.049 GB, free: 0.5979 GB / 1.764 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06542/6.719, allocations: 44.71 MB / 3.093 GB, free: 0.5836 GB / 1.764 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 0.0001004/6.72, allocations: 15.41 kB / 3.093 GB, free: 0.5836 GB / 1.764 GB
Notification: Performance of matching and sorting (n=1548) (initialization_lambda0): time 0.6214/7.341, allocations: 143.5 MB / 3.233 GB, free: 466.1 MB / 1.764 GB
Notification: Performance of prepare postOptimizeDAE: time 7.066e-05/7.341, allocations: 53.7 kB / 3.233 GB, free: 466 MB / 1.764 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.591e-05/7.341, allocations: 44 kB / 3.233 GB, free: 466 MB / 1.764 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5922/7.933, allocations: 124.1 MB / 3.354 GB, free: 342.2 MB / 1.764 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01596/7.949, allocations: 3.174 MB / 3.357 GB, free: 339.1 MB / 1.764 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1523/8.101, allocations: 93.92 MB / 3.449 GB, free: 245.4 MB / 1.764 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2243/8.326, allocations: 10.78 MB / 3.459 GB, free: 234.6 MB / 1.764 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006519/8.332, allocations: 1.617 MB / 3.461 GB, free: 233 MB / 1.764 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 203
 * 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 (964):
 * Single equations (assignments): 942
 * 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
   {(33,119), (33,119)}
Notification: Performance of prepare postOptimizeDAE: time 0.009699/8.342, allocations: 0.7266 MB / 3.462 GB, free: 232.3 MB / 1.764 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007108/8.349, allocations: 1.637 MB / 3.463 GB, free: 231.5 MB / 1.764 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.228/8.577, allocations: 69.71 MB / 3.531 GB, free: 161.8 MB / 1.764 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2383/8.815, allocations: 80.87 MB / 3.61 GB, free: 80.89 MB / 1.764 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.37e-05/8.815, allocations: 32 kB / 3.61 GB, free: 80.86 MB / 1.764 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.8433/9.659, allocations: 79.73 MB / 3.688 GB, free: 0.5948 GB / 1.764 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3635/10.02, allocations: 207.7 MB / 3.891 GB, free: 484.8 MB / 1.764 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.901e-05/10.02, allocations: 4 kB / 3.891 GB, free: 484.8 MB / 1.764 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01314/10.04, allocations: 2.292 MB / 3.893 GB, free: 482.5 MB / 1.764 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.5661/10.6, allocations: 142.1 MB / 4.032 GB, free: 340.6 MB / 1.764 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004743/10.61, allocations: 0.7906 MB / 4.033 GB, free: 339.8 MB / 1.764 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1334/10.74, allocations: 71.74 MB / 4.103 GB, free: 268 MB / 1.764 GB
Warning: The linear system: 
1 : tabsSouth2[4].dp = valSouth2[4].port_b.p - tabsSouth1[1].port_b.p
2 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
3 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
4 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth2[4].port_b.p
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[4].port_b.p ;
  valSouth2[2].port_a.p ;
  valSouth2[8].port_b.p ;
  tabsSouth1[1].port_b.p
]
  =
[
  -tabsSouth2[4].dp ;
  -tabsSouth2[8].dp ;
  -valSouth2[8].dp ;
  -valSouth2[4].dp
]
 might be structurally or numerically singular for variable tabsSouth1[1].port_b.p since U(4,4) = 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) - $cse422 - 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 + $cse422 + (-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 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
2 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth2[4].port_b.p
3 : tabsSouth2[4].dp = valSouth2[4].port_b.p - tabsSouth1[1].port_b.p
4 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[8].port_b.p ;
  tabsSouth1[1].port_b.p ;
  valSouth2[4].port_b.p ;
  valSouth2[2].port_a.p
]
  =
[
  -valSouth2[8].dp ;
  -valSouth2[4].dp ;
  -tabsSouth2[4].dp ;
  -tabsSouth2[8].dp
]
 might be structurally or numerically singular for variable valSouth2[2].port_a.p since U(4,4) = 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) - $cse422 - 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[1].m_flow ;
  tabsSouth1[2].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 + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ;
  tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ;
  tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.0855/10.83, allocations: 49.81 MB / 4.152 GB, free: 217.2 MB / 1.764 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2844/11.11, allocations: 117.8 MB / 4.267 GB, free: 100.2 MB / 1.764 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01791/11.13, allocations: 7.222 MB / 4.274 GB, free: 93.12 MB / 1.764 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007737/11.14, allocations: 191.9 kB / 4.274 GB, free: 92.93 MB / 1.764 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.1166/11.25, allocations: 5.339 MB / 4.279 GB, free: 87.58 MB / 1.764 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.006557/11.26, allocations: 1.099 MB / 4.28 GB, free: 86.48 MB / 1.764 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004673/11.26, allocations: 0.8767 MB / 4.281 GB, free: 85.6 MB / 1.764 GB
Notification: Performance of sorting global known variables: time 0.02039/11.28, allocations: 13.71 MB / 4.294 GB, free: 71.96 MB / 1.764 GB
Notification: Performance of sort global known variables: time 2.3e-07/11.28, allocations: 0 / 4.294 GB, free: 71.96 MB / 1.764 GB
Notification: Performance of remove unused functions: time 0.8261/12.11, allocations: 80.26 MB / 4.373 GB, free: 0.6003 GB / 1.764 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($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],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpNorth.vol.dynBal.U,valSouth.vol.dynBal.U,valNorth.vol.dynBal.U,spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U)
 * Number of discrete variables: 7 ($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 (541):
 * Single equations (assignments): 518
 * 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
   {(33,156), (1,1), (62,186)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.2824/12.39, allocations: 118.7 MB / 4.489 GB, free: 0.5608 GB / 1.764 GB
Notification: Performance of simCode: created initialization part: time 0.1673/12.56, allocations: 93.65 MB / 4.58 GB, free: 485.1 MB / 1.764 GB
Notification: Performance of simCode: created event and clocks part: time 1.154e-05/12.56, allocations: 4 kB / 4.58 GB, free: 485.1 MB / 1.764 GB
Notification: Performance of simCode: created simulation system equations: time 0.07719/12.64, allocations: 31.74 MB / 4.611 GB, free: 454.1 MB / 1.764 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.07868/12.72, allocations: 8.244 MB / 4.619 GB, free: 446.3 MB / 1.764 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 3.038/15.75, allocations: 483 MB / 5.091 GB, free: 0.5767 GB / 1.764 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01916/15.77, allocations: 10.82 MB / 5.102 GB, free: 0.5755 GB / 1.764 GB
Notification: Performance of simCode: alias equations: time 0.04178/15.81, allocations: 7.773 MB / 5.109 GB, free: 0.5749 GB / 1.764 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.03086/15.85, allocations: 11.63 MB / 5.121 GB, free: 0.5734 GB / 1.764 GB
Notification: Performance of SimCode: time 1.633e-06/15.85, allocations: 0 / 5.121 GB, free: 0.5734 GB / 1.764 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 1.974/17.82, allocations: 0.9217 GB / 6.042 GB, free: 359.2 MB / 1.764 GB
Notification: Performance of buildModelFMU: Generate platform static: time 132.3/150.1, allocations: 13.72 kB / 6.042 GB, free: 359.2 MB / 1.764 GB
"
[Timeout remaining time 149]
(rm -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.sim & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic_res.csv --start-time 0 --stop-time 1000 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 Buildings_latest_Buildings_Fluid_Examples_FlowSystem_Basic.fmu > Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe 2>&1) [Timeout 840.0]
[Calling os._exit(0), Time elapsed: 157.35209111403674]
Failed to read output from testmodel.py, exit status != 0:
150.61876146006398 150.628365896 148.791119498
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f417f9f6ce0>