Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_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 0.001295/0.001295, allocations: 99.64 kB / 18.95 MB, free: 2.668 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 0.001494/0.001494, allocations: 215.2 kB / 22.25 MB, free: 5.262 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 1.438/1.438, allocations: 230.6 MB / 256 MB, free: 7.793 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.019/3.019, allocations: 0.4892 GB / 0.7943 GB, free: 35.39 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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_12_Buildings_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="Buildings_12_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 0.001921/0.001921, allocations: 63.84 kB / 1.153 GB, free: 25.69 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2871/0.289, allocations: 176.1 MB / 1.325 GB, free: 2.297 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 1.066/1.355, allocations: 328.9 MB / 1.646 GB, free: 58.64 MB / 1.295 GB
Notification: Performance of NFInst.instExpressions: time 0.08144/1.436, allocations: 70.66 MB / 1.715 GB, free: 55.88 MB / 1.295 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01361/1.45, allocations: 0.5966 MB / 1.716 GB, free: 55.88 MB / 1.295 GB
Notification: Performance of NFTyping.typeComponents: time 0.01554/1.465, allocations: 6.384 MB / 1.722 GB, free: 54.65 MB / 1.295 GB
Notification: Performance of NFTyping.typeBindings: time 0.03447/1.5, allocations: 14.95 MB / 1.737 GB, free: 49.52 MB / 1.295 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02284/1.522, allocations: 10.46 MB / 1.747 GB, free: 44.38 MB / 1.295 GB
Notification: Performance of NFFlatten.flatten: time 0.06012/1.583, allocations: 56.34 MB / 1.802 GB, free: 8.363 MB / 1.295 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02272/1.605, allocations: 15.46 MB / 1.817 GB, free: 9.523 MB / 1.311 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.04152/1.647, allocations: 18.49 MB / 1.835 GB, free: 7.996 MB / 1.326 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03059/1.677, allocations: 16.07 MB / 1.851 GB, free: 8.988 MB / 1.342 GB
Notification: Performance of NFPackage.collectConstants: time 0.007988/1.685, allocations: 1.783 MB / 1.853 GB, free: 7.207 MB / 1.342 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01893/1.704, allocations: 5.158 MB / 1.858 GB, free: 2.262 MB / 1.342 GB
Notification: Performance of NFScalarize.scalarize: time 0.01049/1.715, allocations: 6.165 MB / 1.864 GB, free: 12.33 MB / 1.357 GB
Notification: Performance of NFVerifyModel.verify: time 0.0212/1.736, allocations: 8.851 MB / 1.872 GB, free: 3.684 MB / 1.357 GB
Notification: Performance of NFConvertDAE.convert: time 0.05031/1.786, allocations: 29.93 MB / 1.901 GB, free: 6.91 MB / 1.389 GB
Notification: Performance of FrontEnd - DAE generated: time 5.952e-06/1.786, allocations: 0 / 1.901 GB, free: 6.91 MB / 1.389 GB
Notification: Performance of FrontEnd: time 1.904e-06/1.786, allocations: 0 / 1.901 GB, free: 6.91 MB / 1.389 GB
Notification: Performance of Transformations before backend: time 0.0008733/1.787, allocations: 0 / 1.901 GB, free: 6.91 MB / 1.389 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 0.05994/1.847, allocations: 20.86 MB / 1.922 GB, free: 2.117 MB / 1.404 GB
Notification: Performance of prepare preOptimizeDAE: time 4.437e-05/1.847, allocations: 8.031 kB / 1.922 GB, free: 2.109 MB / 1.404 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003394/1.851, allocations: 1.002 MB / 1.923 GB, free: 1.098 MB / 1.404 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01647/1.867, allocations: 3.228 MB / 1.926 GB, free: 13.86 MB / 1.42 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04738/1.914, allocations: 21.51 MB / 1.947 GB, free: 8.621 MB / 1.436 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007209/1.915, allocations: 0.6577 MB / 1.948 GB, free: 7.965 MB / 1.436 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.003808/1.919, allocations: 0.8931 MB / 1.948 GB, free: 7.074 MB / 1.436 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03853/1.957, allocations: 18.24 MB / 1.966 GB, free: 4.387 MB / 1.451 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002167/1.958, allocations: 11.94 kB / 1.966 GB, free: 4.375 MB / 1.451 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002205/1.96, allocations: 322.7 kB / 1.967 GB, free: 4.062 MB / 1.451 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001991/1.96, allocations: 207.9 kB / 1.967 GB, free: 3.859 MB / 1.451 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04117/2.001, allocations: 21.5 MB / 1.988 GB, free: 14.34 MB / 1.482 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 0.1381/2.139, allocations: 62.26 MB / 2.049 GB, free: 0.5 MB / 1.529 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02603/2.165, allocations: 12.79 MB / 2.061 GB, free: 3.73 MB / 1.545 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0178/2.183, allocations: 9.366 MB / 2.07 GB, free: 10.33 MB / 1.561 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 0.07226/2.255, allocations: 29.81 MB / 2.099 GB, free: 12.59 MB / 1.592 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02261/2.278, allocations: 11.78 MB / 2.111 GB, free: 0.5039 MB / 1.592 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.03074/2.309, allocations: 8.238 MB / 2.119 GB, free: 8.438 MB / 1.607 GB
Notification: Performance of pre-optimization done (n=548): time 3.414e-05/2.309, allocations: 0 / 2.119 GB, free: 8.438 MB / 1.607 GB
Notification: Performance of matching and sorting (n=832): time 1.624/3.933, allocations: 248.7 MB / 2.362 GB, free: 0.6219 GB / 1.748 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 0.09676/4.03, allocations: 50.98 MB / 2.412 GB, free: 0.5717 GB / 1.748 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03327/4.063, allocations: 19.46 MB / 2.431 GB, free: 0.5531 GB / 1.748 GB
Notification: Performance of collectPreVariables (initialization): time 0.005645/4.069, allocations: 225.3 kB / 2.431 GB, free: 0.5528 GB / 1.748 GB
Notification: Performance of collectInitialEqns (initialization): time 0.008313/4.077, allocations: 7.515 MB / 2.438 GB, free: 0.5469 GB / 1.748 GB
Notification: Performance of collectInitialBindings (initialization): time 0.01026/4.088, allocations: 3.123 MB / 2.441 GB, free: 0.5451 GB / 1.748 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01376/4.101, allocations: 4.38 MB / 2.445 GB, free: 0.5408 GB / 1.748 GB
Notification: Performance of setup shared object (initialization): time 3.712e-05/4.101, allocations: 305.1 kB / 2.446 GB, free: 0.5405 GB / 1.748 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.03122/4.133, allocations: 25.11 MB / 2.47 GB, free: 0.5159 GB / 1.748 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03315/4.166, allocations: 30.99 MB / 2.501 GB, free: 495.5 MB / 1.748 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.06103/4.227, allocations: 46.02 MB / 2.546 GB, free: 448.8 MB / 1.748 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.05e-05/4.227, allocations: 19.94 kB / 2.546 GB, free: 448.8 MB / 1.748 GB
Notification: Performance of matching and sorting (n=1548) (initialization): time 0.596/4.823, allocations: 145.8 MB / 2.688 GB, free: 302.8 MB / 1.748 GB
Notification: Performance of prepare postOptimizeDAE: time 8.595e-05/4.823, allocations: 57.69 kB / 2.688 GB, free: 302.8 MB / 1.748 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.811e-05/4.823, allocations: 44 kB / 2.688 GB, free: 302.7 MB / 1.748 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.579/5.402, allocations: 125.3 MB / 2.81 GB, free: 177.5 MB / 1.748 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01653/5.418, allocations: 3.224 MB / 2.814 GB, free: 174.2 MB / 1.748 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1379/5.556, allocations: 85.98 MB / 2.898 GB, free: 87.84 MB / 1.748 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2051/5.761, allocations: 10.7 MB / 2.908 GB, free: 77.12 MB / 1.748 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005826/5.767, allocations: 1.656 MB / 2.91 GB, free: 75.46 MB / 1.748 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03983/5.807, allocations: 28.14 MB / 2.937 GB, free: 47.28 MB / 1.748 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0345/5.842, allocations: 30.36 MB / 2.967 GB, free: 15.15 MB / 1.748 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.684/6.526, allocations: 44.76 MB / 3.01 GB, free: 0.6291 GB / 1.748 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.09e-05/6.526, allocations: 11.81 kB / 3.01 GB, free: 0.6291 GB / 1.748 GB
Notification: Performance of matching and sorting (n=1548) (initialization_lambda0): time 0.5951/7.121, allocations: 143.6 MB / 3.151 GB, free: 0.5357 GB / 1.748 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001193/7.121, allocations: 50.8 kB / 3.151 GB, free: 0.5356 GB / 1.748 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001071/7.121, allocations: 44 kB / 3.151 GB, free: 0.5356 GB / 1.748 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5766/7.697, allocations: 124 MB / 3.272 GB, free: 424.9 MB / 1.748 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01511/7.713, allocations: 3.177 MB / 3.275 GB, free: 421.7 MB / 1.748 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1427/7.855, allocations: 92.5 MB / 3.365 GB, free: 329.5 MB / 1.748 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2058/8.061, allocations: 10.77 MB / 3.376 GB, free: 318.7 MB / 1.748 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005683/8.067, allocations: 1.611 MB / 3.377 GB, free: 317.1 MB / 1.748 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 0.008274/8.075, allocations: 0.7226 MB / 3.378 GB, free: 316.4 MB / 1.748 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007353/8.082, allocations: 1.639 MB / 3.38 GB, free: 315.7 MB / 1.748 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2144/8.297, allocations: 69.74 MB / 3.448 GB, free: 246.2 MB / 1.748 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2317/8.529, allocations: 80.89 MB / 3.527 GB, free: 165.2 MB / 1.748 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001216/8.529, allocations: 28 kB / 3.527 GB, free: 165.2 MB / 1.748 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2259/8.755, allocations: 79.78 MB / 3.605 GB, free: 85.33 MB / 1.748 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.9682/9.723, allocations: 162.5 MB / 3.764 GB, free: 0.5974 GB / 1.748 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001262/9.723, allocations: 6.484 kB / 3.764 GB, free: 0.5974 GB / 1.748 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0126/9.736, allocations: 2.299 MB / 3.766 GB, free: 0.5973 GB / 1.748 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.5377/10.27, allocations: 142 MB / 3.904 GB, free: 480.2 MB / 1.748 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004084/10.28, allocations: 0.783 MB / 3.905 GB, free: 479.4 MB / 1.748 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1248/10.4, allocations: 71.08 MB / 3.975 GB, free: 408.3 MB / 1.748 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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.09133/10.49, allocations: 47.59 MB / 4.021 GB, free: 360.2 MB / 1.748 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2778/10.77, allocations: 117.9 MB / 4.136 GB, free: 243.3 MB / 1.748 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.02368/10.8, allocations: 7.369 MB / 4.143 GB, free: 236.4 MB / 1.748 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.009094/10.8, allocations: 184 kB / 4.144 GB, free: 236.2 MB / 1.748 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.1072/10.91, allocations: 5.328 MB / 4.149 GB, free: 230.9 MB / 1.748 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00542/10.92, allocations: 1.137 MB / 4.15 GB, free: 229.7 MB / 1.748 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.00415/10.92, allocations: 0.8728 MB / 4.151 GB, free: 228.8 MB / 1.748 GB
Notification: Performance of sorting global known variables: time 0.02247/10.94, allocations: 13.52 MB / 4.164 GB, free: 215.4 MB / 1.748 GB
Notification: Performance of sort global known variables: time 7.12e-07/10.94, allocations: 0 / 4.164 GB, free: 215.4 MB / 1.748 GB
Notification: Performance of remove unused functions: time 0.1464/11.09, allocations: 80.22 MB / 4.242 GB, free: 135.2 MB / 1.748 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($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 0.2858/11.38, allocations: 118.7 MB / 4.358 GB, free: 16.37 MB / 1.748 GB
Notification: Performance of simCode: created initialization part: time 0.8431/12.22, allocations: 93.68 MB / 4.45 GB, free: 0.6253 GB / 1.748 GB
Notification: Performance of simCode: created event and clocks part: time 1.392e-05/12.22, allocations: 3.812 kB / 4.45 GB, free: 0.6253 GB / 1.748 GB
Notification: Performance of simCode: created simulation system equations: time 0.07206/12.29, allocations: 31.75 MB / 4.481 GB, free: 0.6049 GB / 1.748 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.07317/12.36, allocations: 8.252 MB / 4.489 GB, free: 0.5976 GB / 1.748 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.53/13.89, allocations: 482.8 MB / 4.96 GB, free: 129 MB / 1.748 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0154/13.91, allocations: 10.58 MB / 4.971 GB, free: 118.4 MB / 1.748 GB
Notification: Performance of simCode: alias equations: time 0.03133/13.94, allocations: 7.745 MB / 4.978 GB, free: 110.6 MB / 1.748 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02185/13.96, allocations: 11.63 MB / 4.99 GB, free: 99.01 MB / 1.748 GB
Notification: Performance of SimCode: time 1.022e-06/13.96, allocations: 0 / 4.99 GB, free: 99.01 MB / 1.748 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 3.047/17.01, allocations: 0.9495 GB / 5.939 GB, free: 0.5014 GB / 1.748 GB
Notification: Performance of buildModelFMU: Generate platform static: time 107.5/124.5, allocations: 8.062 kB / 5.939 GB, free: 0.5014 GB / 1.748 GB
"
[Timeout remaining time 175]
(rm -f Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic_res.csv --start-time 0 --stop-time 1000 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 Buildings_12_Buildings_Fluid_Examples_FlowSystem_Basic.fmu > Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 131.3876295168884]
Failed to read output from testmodel.py, exit status != 0:
125.04535105498508 125.064022497 123.273876385
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f5d5d35afb0>