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 0.001349/0.001349, allocations: 106.4 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 0.001445/0.001445, 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 1.47/1.47, 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 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 3.034/3.034, allocations: 0.49 GB / 0.7916 GB, free: 33.46 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 0.001954/0.001954, allocations: 77.2 kB / 1.149 GB, free: 26.33 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3013/0.3033, allocations: 176.1 MB / 1.321 GB, free: 3.352 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 1.083/1.386, allocations: 361.8 MB / 1.674 GB, free: 53.58 MB / 1.295 GB
Notification: Performance of NFInst.instExpressions: time 0.08584/1.472, allocations: 75.92 MB / 1.748 GB, free: 45.47 MB / 1.295 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01523/1.487, allocations: 0.597 MB / 1.749 GB, free: 45.47 MB / 1.295 GB
Notification: Performance of NFTyping.typeComponents: time 0.01599/1.503, allocations: 6.603 MB / 1.755 GB, free: 43.8 MB / 1.295 GB
Notification: Performance of NFTyping.typeBindings: time 0.03561/1.539, allocations: 14.67 MB / 1.77 GB, free: 34.64 MB / 1.295 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02205/1.561, allocations: 10.36 MB / 1.78 GB, free: 28.18 MB / 1.295 GB
Notification: Performance of NFFlatten.flatten: time 0.06308/1.624, allocations: 55.26 MB / 1.834 GB, free: 14.8 MB / 1.326 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.03072/1.655, allocations: 17.04 MB / 1.85 GB, free: 14.3 MB / 1.342 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03671/1.691, allocations: 17.71 MB / 1.868 GB, free: 13.54 MB / 1.357 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.02981/1.721, allocations: 16.38 MB / 1.884 GB, free: 14.23 MB / 1.373 GB
Notification: Performance of NFPackage.collectConstants: time 0.008153/1.729, allocations: 1.898 MB / 1.885 GB, free: 12.33 MB / 1.373 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02036/1.75, allocations: 6.213 MB / 1.892 GB, free: 6.387 MB / 1.373 GB
Notification: Performance of NFScalarize.scalarize: time 0.01111/1.761, allocations: 6.328 MB / 1.898 GB, free: 288 kB / 1.373 GB
Notification: Performance of NFVerifyModel.verify: time 0.02214/1.783, allocations: 10.92 MB / 1.908 GB, free: 5.555 MB / 1.389 GB
Notification: Performance of NFConvertDAE.convert: time 0.05302/1.836, allocations: 30.63 MB / 1.938 GB, free: 8.098 MB / 1.42 GB
Notification: Performance of FrontEnd - DAE generated: time 6.823e-06/1.836, allocations: 7.938 kB / 1.938 GB, free: 8.09 MB / 1.42 GB
Notification: Performance of FrontEnd: time 1.893e-06/1.836, allocations: 0 / 1.938 GB, free: 8.09 MB / 1.42 GB
Notification: Performance of Transformations before backend: time 0.0008751/1.837, allocations: 0 / 1.938 GB, free: 8.09 MB / 1.42 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 0.06134/1.898, allocations: 21.15 MB / 1.959 GB, free: 2.961 MB / 1.436 GB
Notification: Performance of prepare preOptimizeDAE: time 5.318e-05/1.898, allocations: 12.03 kB / 1.959 GB, free: 2.949 MB / 1.436 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003925/1.902, allocations: 1 MB / 1.96 GB, free: 1.938 MB / 1.436 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01768/1.92, allocations: 3.226 MB / 1.963 GB, free: 14.7 MB / 1.451 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04521/1.965, allocations: 22.55 MB / 1.985 GB, free: 8.465 MB / 1.467 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007644/1.966, allocations: 0.6519 MB / 1.986 GB, free: 7.816 MB / 1.467 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004119/1.97, allocations: 0.9008 MB / 1.987 GB, free: 6.918 MB / 1.467 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04301/2.013, allocations: 17.28 MB / 2.003 GB, free: 5.406 MB / 1.482 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002905/2.013, allocations: 15.89 kB / 2.004 GB, free: 5.391 MB / 1.482 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002955/2.016, allocations: 321.4 kB / 2.004 GB, free: 5.078 MB / 1.482 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002162/2.016, allocations: 207.9 kB / 2.004 GB, free: 4.875 MB / 1.482 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0427/2.059, allocations: 21.51 MB / 2.025 GB, free: 15.35 MB / 1.514 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 0.1426/2.202, allocations: 80.45 MB / 2.104 GB, free: 11.6 MB / 1.592 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0275/2.229, allocations: 12.95 MB / 2.116 GB, free: 14.62 MB / 1.607 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01752/2.247, allocations: 9.372 MB / 2.125 GB, free: 5.219 MB / 1.607 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 0.0717/2.318, allocations: 34.16 MB / 2.159 GB, free: 2.664 MB / 1.639 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02202/2.34, allocations: 10.81 MB / 2.169 GB, free: 7.773 MB / 1.654 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.03028/2.371, allocations: 8.243 MB / 2.177 GB, free: 15.7 MB / 1.67 GB
Notification: Performance of pre-optimization done (n=548): time 2.562e-05/2.371, allocations: 0 / 2.177 GB, free: 15.7 MB / 1.67 GB
Notification: Performance of matching and sorting (n=832): time 1.665/4.036, allocations: 249 MB / 2.42 GB, free: 0.5744 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 0.1007/4.137, allocations: 52.73 MB / 2.472 GB, free: 0.5216 GB / 1.748 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02791/4.165, allocations: 19.63 MB / 2.491 GB, free: 0.5026 GB / 1.748 GB
Notification: Performance of collectPreVariables (initialization): time 0.004651/4.169, allocations: 229 kB / 2.491 GB, free: 0.5024 GB / 1.748 GB
Notification: Performance of collectInitialEqns (initialization): time 0.007022/4.176, allocations: 7.507 MB / 2.499 GB, free: 0.4953 GB / 1.748 GB
Notification: Performance of collectInitialBindings (initialization): time 0.01109/4.187, allocations: 3.13 MB / 2.502 GB, free: 0.4923 GB / 1.748 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01587/4.203, allocations: 4.396 MB / 2.506 GB, free: 499.7 MB / 1.748 GB
Notification: Performance of setup shared object (initialization): time 3.175e-05/4.203, allocations: 301.1 kB / 2.506 GB, free: 499.4 MB / 1.748 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.03411/4.237, allocations: 25.06 MB / 2.531 GB, free: 474.3 MB / 1.748 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03775/4.275, allocations: 27.9 MB / 2.558 GB, free: 445.4 MB / 1.748 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.06598/4.341, allocations: 45.95 MB / 2.603 GB, free: 398.7 MB / 1.748 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.286e-05/4.341, allocations: 19.94 kB / 2.603 GB, free: 398.7 MB / 1.748 GB
Notification: Performance of matching and sorting (n=1548) (initialization): time 0.6362/4.977, allocations: 145.7 MB / 2.745 GB, free: 252.8 MB / 1.748 GB
Notification: Performance of prepare postOptimizeDAE: time 6.322e-05/4.978, allocations: 53.7 kB / 2.745 GB, free: 252.8 MB / 1.748 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.577e-05/4.978, allocations: 52.06 kB / 2.745 GB, free: 252.7 MB / 1.748 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6117/5.589, allocations: 125.4 MB / 2.868 GB, free: 127.4 MB / 1.748 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01786/5.607, allocations: 3.228 MB / 2.871 GB, free: 124.1 MB / 1.748 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1409/5.748, allocations: 86.9 MB / 2.956 GB, free: 36.81 MB / 1.748 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2222/5.97, allocations: 10.73 MB / 2.966 GB, free: 26.07 MB / 1.748 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007089/5.977, allocations: 1.648 MB / 2.968 GB, free: 24.42 MB / 1.748 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.6684/6.646, allocations: 28.09 MB / 2.995 GB, free: 0.6306 GB / 1.748 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03799/6.684, allocations: 27.27 MB / 3.022 GB, free: 0.6229 GB / 1.748 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06537/6.749, allocations: 44.72 MB / 3.066 GB, free: 0.6085 GB / 1.748 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.799e-05/6.749, allocations: 10.5 kB / 3.066 GB, free: 0.6085 GB / 1.748 GB
Notification: Performance of matching and sorting (n=1548) (initialization_lambda0): time 0.6301/7.379, allocations: 143.5 MB / 3.206 GB, free: 492.3 MB / 1.748 GB
Notification: Performance of prepare postOptimizeDAE: time 6.419e-05/7.379, allocations: 56.31 kB / 3.206 GB, free: 492.3 MB / 1.748 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.29e-05/7.379, allocations: 44 kB / 3.206 GB, free: 492.2 MB / 1.748 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5981/7.977, allocations: 124.1 MB / 3.327 GB, free: 368.5 MB / 1.748 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01608/7.994, allocations: 3.187 MB / 3.33 GB, free: 365.3 MB / 1.748 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1496/8.143, allocations: 93.9 MB / 3.422 GB, free: 271.6 MB / 1.748 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2341/8.377, allocations: 10.78 MB / 3.433 GB, free: 260.9 MB / 1.748 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006995/8.384, allocations: 1.613 MB / 3.434 GB, free: 259.2 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 0.008665/8.393, allocations: 0.7298 MB / 3.435 GB, free: 258.5 MB / 1.748 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008431/8.401, allocations: 1.637 MB / 3.436 GB, free: 257.7 MB / 1.748 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2345/8.636, allocations: 69.71 MB / 3.504 GB, free: 188.1 MB / 1.748 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2447/8.881, allocations: 80.86 MB / 3.583 GB, free: 107.1 MB / 1.748 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001259/8.881, allocations: 36 kB / 3.583 GB, free: 107.1 MB / 1.748 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2303/9.111, allocations: 79.74 MB / 3.661 GB, free: 27.25 MB / 1.748 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 1.063/10.17, allocations: 207.7 MB / 3.864 GB, free: 0.5023 GB / 1.748 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.046e-05/10.17, allocations: 4 kB / 3.864 GB, free: 0.5023 GB / 1.748 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01319/10.19, allocations: 2.297 MB / 3.866 GB, free: 0.5001 GB / 1.748 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.5838/10.77, allocations: 142.1 MB / 4.005 GB, free: 370.9 MB / 1.748 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004756/10.78, allocations: 0.783 MB / 4.006 GB, free: 370.1 MB / 1.748 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1264/10.9, allocations: 71.74 MB / 4.076 GB, free: 298.4 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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.08057/10.98, allocations: 49.82 MB / 4.125 GB, free: 247.6 MB / 1.748 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2829/11.27, allocations: 117.8 MB / 4.24 GB, free: 130.6 MB / 1.748 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01938/11.29, allocations: 7.217 MB / 4.247 GB, free: 123.5 MB / 1.748 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007635/11.29, allocations: 188 kB / 4.247 GB, free: 123.4 MB / 1.748 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.1178/11.41, allocations: 5.347 MB / 4.252 GB, free: 118 MB / 1.748 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.007446/11.42, allocations: 1.107 MB / 4.253 GB, free: 116.9 MB / 1.748 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.005047/11.42, allocations: 0.8806 MB / 4.254 GB, free: 116 MB / 1.748 GB
Notification: Performance of sorting global known variables: time 0.02086/11.44, allocations: 13.7 MB / 4.268 GB, free: 102.4 MB / 1.748 GB
Notification: Performance of sort global known variables: time 2.01e-07/11.44, allocations: 0 / 4.268 GB, free: 102.4 MB / 1.748 GB
Notification: Performance of remove unused functions: time 0.1716/11.62, allocations: 80.27 MB / 4.346 GB, free: 22.1 MB / 1.748 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($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 1.017/12.63, allocations: 118.7 MB / 4.462 GB, free: 0.5862 GB / 1.748 GB
Notification: Performance of simCode: created initialization part: time 0.1622/12.8, allocations: 93.66 MB / 4.553 GB, free: 0.5057 GB / 1.748 GB
Notification: Performance of simCode: created event and clocks part: time 1.189e-05/12.8, allocations: 4 kB / 4.553 GB, free: 0.5057 GB / 1.748 GB
Notification: Performance of simCode: created simulation system equations: time 0.07679/12.87, allocations: 31.73 MB / 4.584 GB, free: 486.7 MB / 1.748 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.08388/12.96, allocations: 8.247 MB / 4.592 GB, free: 478.9 MB / 1.748 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 3.024/15.98, allocations: 483 MB / 5.064 GB, free: 0.579 GB / 1.748 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01732/16, allocations: 10.82 MB / 5.075 GB, free: 0.5778 GB / 1.748 GB
Notification: Performance of simCode: alias equations: time 0.03407/16.03, allocations: 7.758 MB / 5.082 GB, free: 0.5775 GB / 1.748 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02938/16.06, allocations: 11.64 MB / 5.094 GB, free: 0.5768 GB / 1.748 GB
Notification: Performance of SimCode: time 1.012e-06/16.06, allocations: 0 / 5.094 GB, free: 0.5768 GB / 1.748 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 1.861/17.92, allocations: 0.9218 GB / 6.015 GB, free: 397.2 MB / 1.748 GB
Notification: Performance of buildModelFMU: Generate platform static: time 127.2/145.2, allocations: 3.984 kB / 6.015 GB, free: 397.2 MB / 1.748 GB
"
[Timeout remaining time 154]
(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: 152.22656947397627]
Failed to read output from testmodel.py, exit status != 0:
145.66345191700384 145.679212772 143.839776377
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f22050f2ce0>