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 0.001181/0.001181, allocations: 110.4 kB / 18.94 MB, free: 2.949 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 0.001287/0.001287, allocations: 218.4 kB / 22.25 MB, free: 5.125 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 1.299/1.299, allocations: 230.6 MB / 256 MB, free: 7.988 MB / 206.1 MB
"
[Timeout remaining time 179]
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 2.904/2.904, allocations: 0.505 GB / 0.8101 GB, free: 22.03 MB / 0.6231 GB
"
[Timeout remaining time 177]
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 0.001878/0.001878, allocations: 67.02 kB / 1.177 GB, free: 17.04 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2906/0.2925, allocations: 180.2 MB / 1.353 GB, free: 8.422 MB / 1.045 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 1.033/1.325, allocations: 365.3 MB / 1.71 GB, free: 43.46 MB / 1.295 GB
Notification: Performance of NFInst.instExpressions: time 0.08286/1.408, allocations: 76.2 MB / 1.784 GB, free: 22.94 MB / 1.295 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01476/1.423, allocations: 0.5988 MB / 1.785 GB, free: 22.61 MB / 1.295 GB
Notification: Performance of NFTyping.typeComponents: time 0.01533/1.438, allocations: 6.714 MB / 1.791 GB, free: 17.39 MB / 1.295 GB
Notification: Performance of NFTyping.typeBindings: time 0.0327/1.471, allocations: 14.95 MB / 1.806 GB, free: 5.453 MB / 1.295 GB
Notification: Performance of NFTyping.typeClassSections: time 0.022/1.493, allocations: 10.62 MB / 1.816 GB, free: 13.67 MB / 1.311 GB
Notification: Performance of NFFlatten.flatten: time 0.07494/1.568, allocations: 56.56 MB / 1.871 GB, free: 8.387 MB / 1.357 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02229/1.59, allocations: 15.5 MB / 1.886 GB, free: 8.742 MB / 1.373 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03912/1.629, allocations: 17.84 MB / 1.904 GB, free: 6.875 MB / 1.389 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03109/1.66, allocations: 16.4 MB / 1.92 GB, free: 6.418 MB / 1.404 GB
Notification: Performance of NFPackage.collectConstants: time 0.007742/1.668, allocations: 1.898 MB / 1.922 GB, free: 4.52 MB / 1.404 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01976/1.688, allocations: 6.355 MB / 1.928 GB, free: 14.16 MB / 1.42 GB
Notification: Performance of NFScalarize.scalarize: time 0.01024/1.698, allocations: 6.342 MB / 1.934 GB, free: 7.793 MB / 1.42 GB
Notification: Performance of NFVerifyModel.verify: time 0.02164/1.72, allocations: 10.92 MB / 1.945 GB, free: 12.82 MB / 1.436 GB
Notification: Performance of NFConvertDAE.convert: time 0.04847/1.768, allocations: 30.65 MB / 1.975 GB, free: 14.06 MB / 1.467 GB
Notification: Performance of FrontEnd - DAE generated: time 5.52e-06/1.768, allocations: 0 / 1.975 GB, free: 14.06 MB / 1.467 GB
Notification: Performance of FrontEnd: time 1.573e-06/1.768, allocations: 0 / 1.975 GB, free: 14.06 MB / 1.467 GB
Notification: Performance of Transformations before backend: time 0.0007592/1.769, allocations: 0 / 1.975 GB, free: 14.06 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: 1949
 * Number of variables: 1949
Notification: Performance of Generate backend data structure: time 0.05506/1.824, allocations: 21.09 MB / 1.995 GB, free: 8.793 MB / 1.482 GB
Notification: Performance of prepare preOptimizeDAE: time 4.591e-05/1.824, allocations: 12.03 kB / 1.995 GB, free: 8.781 MB / 1.482 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00377/1.828, allocations: 1.004 MB / 1.996 GB, free: 7.766 MB / 1.482 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01701/1.845, allocations: 3.228 MB / 1.999 GB, free: 4.523 MB / 1.482 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0483/1.893, allocations: 22.56 MB / 2.022 GB, free: 13.81 MB / 1.514 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007667/1.894, allocations: 0.6516 MB / 2.022 GB, free: 13.16 MB / 1.514 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004409/1.898, allocations: 0.8944 MB / 2.023 GB, free: 12.26 MB / 1.514 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04017/1.939, allocations: 17.29 MB / 2.04 GB, free: 10.74 MB / 1.529 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002194/1.939, allocations: 11.88 kB / 2.04 GB, free: 10.73 MB / 1.529 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002814/1.942, allocations: 320 kB / 2.04 GB, free: 10.42 MB / 1.529 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002221/1.942, allocations: 204 kB / 2.04 GB, free: 10.22 MB / 1.529 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04286/1.985, allocations: 21.52 MB / 2.061 GB, free: 4.676 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 0.1463/2.131, allocations: 80.58 MB / 2.14 GB, free: 188 kB / 1.623 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02597/2.157, allocations: 12.8 MB / 2.153 GB, free: 3.398 MB / 1.639 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01695/2.174, allocations: 9.379 MB / 2.162 GB, free: 9.992 MB / 1.654 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 0.07078/2.245, allocations: 32.74 MB / 2.194 GB, free: 9.137 MB / 1.686 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02158/2.266, allocations: 10.83 MB / 2.204 GB, free: 14.23 MB / 1.701 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02883/2.295, allocations: 8.231 MB / 2.212 GB, free: 5.992 MB / 1.701 GB
Notification: Performance of pre-optimization done (n=548): time 3.189e-05/2.295, allocations: 0 / 2.212 GB, free: 5.992 MB / 1.701 GB
Notification: Performance of matching and sorting (n=832): time 1.465/3.76, allocations: 248.7 MB / 2.455 GB, free: 0.545 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 0.09748/3.857, allocations: 51.77 MB / 2.506 GB, free: 0.4934 GB / 1.764 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02983/3.887, allocations: 19.69 MB / 2.525 GB, free: 485.7 MB / 1.764 GB
Notification: Performance of collectPreVariables (initialization): time 0.004453/3.892, allocations: 221.7 kB / 2.525 GB, free: 485.5 MB / 1.764 GB
Notification: Performance of collectInitialEqns (initialization): time 0.007156/3.899, allocations: 7.516 MB / 2.533 GB, free: 478.3 MB / 1.764 GB
Notification: Performance of collectInitialBindings (initialization): time 0.01049/3.909, allocations: 3.119 MB / 2.536 GB, free: 475.2 MB / 1.764 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.02079/3.93, allocations: 4.396 MB / 2.54 GB, free: 470.8 MB / 1.764 GB
Notification: Performance of setup shared object (initialization): time 3.819e-05/3.93, allocations: 309.1 kB / 2.54 GB, free: 470.5 MB / 1.764 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.03305/3.963, allocations: 25.08 MB / 2.565 GB, free: 445.3 MB / 1.764 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0353/3.998, allocations: 27.92 MB / 2.592 GB, free: 416.4 MB / 1.764 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.06464/4.063, allocations: 46.01 MB / 2.637 GB, free: 369.7 MB / 1.764 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.774e-05/4.063, allocations: 12 kB / 2.637 GB, free: 369.6 MB / 1.764 GB
Notification: Performance of matching and sorting (n=1548) (initialization): time 0.5494/4.613, allocations: 145.8 MB / 2.779 GB, free: 223.7 MB / 1.764 GB
Notification: Performance of prepare postOptimizeDAE: time 7.759e-05/4.613, allocations: 49.7 kB / 2.779 GB, free: 223.7 MB / 1.764 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.616e-05/4.613, allocations: 44.88 kB / 2.779 GB, free: 223.6 MB / 1.764 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.515/5.128, allocations: 125.4 MB / 2.902 GB, free: 98.26 MB / 1.764 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01506/5.143, allocations: 3.224 MB / 2.905 GB, free: 95.03 MB / 1.764 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6822/5.825, allocations: 86.78 MB / 2.99 GB, free: 0.6044 GB / 1.764 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1703/5.995, allocations: 10.72 MB / 3 GB, free: 0.6044 GB / 1.764 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00735/6.003, allocations: 1.655 MB / 3.002 GB, free: 0.6044 GB / 1.764 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04355/6.046, allocations: 28.11 MB / 3.029 GB, free: 0.6033 GB / 1.764 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03368/6.08, allocations: 27.29 MB / 3.056 GB, free: 0.5938 GB / 1.764 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06154/6.141, allocations: 44.76 MB / 3.1 GB, free: 0.5795 GB / 1.764 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.527e-05/6.141, allocations: 15.06 kB / 3.1 GB, free: 0.5795 GB / 1.764 GB
Notification: Performance of matching and sorting (n=1548) (initialization_lambda0): time 0.5379/6.679, allocations: 143.6 MB / 3.24 GB, free: 460.7 MB / 1.764 GB
Notification: Performance of prepare postOptimizeDAE: time 8.041e-05/6.679, allocations: 53.7 kB / 3.24 GB, free: 460.6 MB / 1.764 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.835e-05/6.679, allocations: 47.84 kB / 3.24 GB, free: 460.6 MB / 1.764 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5124/7.192, allocations: 124.1 MB / 3.361 GB, free: 336.8 MB / 1.764 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01433/7.206, allocations: 3.191 MB / 3.364 GB, free: 333.6 MB / 1.764 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1395/7.346, allocations: 93.71 MB / 3.456 GB, free: 240.2 MB / 1.764 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1669/7.513, allocations: 10.78 MB / 3.466 GB, free: 229.4 MB / 1.764 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00647/7.519, allocations: 1.616 MB / 3.468 GB, free: 227.8 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 0.01127/7.53, allocations: 0.728 MB / 3.469 GB, free: 227.1 MB / 1.764 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008489/7.539, allocations: 1.64 MB / 3.47 GB, free: 226.4 MB / 1.764 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2048/7.744, allocations: 69.73 MB / 3.538 GB, free: 156.8 MB / 1.764 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2103/7.954, allocations: 80.88 MB / 3.617 GB, free: 75.84 MB / 1.764 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001096/7.954, allocations: 31.94 kB / 3.617 GB, free: 75.81 MB / 1.764 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.786/8.74, allocations: 79.78 MB / 3.695 GB, free: 0.5937 GB / 1.764 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3278/9.068, allocations: 207.8 MB / 3.898 GB, free: 480.7 MB / 1.764 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.000106/9.068, allocations: 0 / 3.898 GB, free: 480.7 MB / 1.764 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01198/9.08, allocations: 2.302 MB / 3.9 GB, free: 478.4 MB / 1.764 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.4691/9.549, allocations: 142.1 MB / 4.039 GB, free: 336.4 MB / 1.764 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004374/9.553, allocations: 0.7877 MB / 4.04 GB, free: 335.6 MB / 1.764 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1171/9.67, allocations: 71.63 MB / 4.11 GB, free: 264 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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.07973/9.75, allocations: 48.23 MB / 4.157 GB, free: 215.2 MB / 1.764 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2475/9.998, allocations: 117.9 MB / 4.272 GB, free: 98.15 MB / 1.764 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.02079/10.02, allocations: 7.38 MB / 4.279 GB, free: 91.65 MB / 1.764 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.01073/10.03, allocations: 188 kB / 4.28 GB, free: 91.47 MB / 1.764 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.08951/10.12, allocations: 5.335 MB / 4.285 GB, free: 86.12 MB / 1.764 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005397/10.12, allocations: 1.138 MB / 4.286 GB, free: 84.98 MB / 1.764 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004208/10.13, allocations: 0.8728 MB / 4.287 GB, free: 84.11 MB / 1.764 GB
Notification: Performance of sorting global known variables: time 0.021/10.15, allocations: 13.74 MB / 4.3 GB, free: 70.44 MB / 1.764 GB
Notification: Performance of sort global known variables: time 2e-07/10.15, allocations: 0 / 4.3 GB, free: 70.44 MB / 1.764 GB
Notification: Performance of remove unused functions: time 0.7516/10.9, allocations: 80.27 MB / 4.379 GB, free: 0.5988 GB / 1.764 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($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 0.2521/11.15, allocations: 118.8 MB / 4.495 GB, free: 0.5591 GB / 1.764 GB
Notification: Performance of simCode: created initialization part: time 0.1361/11.29, allocations: 93.72 MB / 4.586 GB, free: 483 MB / 1.764 GB
Notification: Performance of simCode: created event and clocks part: time 9.227e-06/11.29, allocations: 0 / 4.586 GB, free: 483 MB / 1.764 GB
Notification: Performance of simCode: created simulation system equations: time 0.06203/11.35, allocations: 31.76 MB / 4.617 GB, free: 451.9 MB / 1.764 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.06528/11.42, allocations: 8.246 MB / 4.625 GB, free: 444 MB / 1.764 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 2.516/13.93, allocations: 483.4 MB / 5.097 GB, free: 0.575 GB / 1.764 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01434/13.95, allocations: 10.81 MB / 5.108 GB, free: 0.5738 GB / 1.764 GB
Notification: Performance of simCode: alias equations: time 0.03225/13.98, allocations: 7.759 MB / 5.115 GB, free: 0.5731 GB / 1.764 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02287/14, allocations: 11.63 MB / 5.127 GB, free: 0.5723 GB / 1.764 GB
Notification: Performance of SimCode: time 1.052e-06/14, allocations: 3.938 kB / 5.127 GB, free: 0.5723 GB / 1.764 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 1.724/15.73, allocations: 0.9486 GB / 6.075 GB, free: 332.4 MB / 1.764 GB
Notification: Performance of buildModelFMU: Generate platform static: time 102.4/118.1, allocations: 2.812 kB / 6.075 GB, free: 332.4 MB / 1.764 GB
"
[Timeout remaining time 181]
(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: 124.58453875000032]
Failed to read output from testmodel.py, exit status != 0:
118.63353989999996 118.641511062 116.870908118
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fe467966f80>