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 0.0008992/0.0008992, allocations: 80.44 kB / 19.17 MB, free: 0.7422 MB / 13.93 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 0.0008281/0.0008281, allocations: 170.3 kB / 22.46 MB, free: 2.105 MB / 18.57 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 0.9175/0.9175, allocations: 177.1 MB / 202.8 MB, free: 5.742 MB / 186.7 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 1.724/1.724, allocations: 389 MB / 0.633 GB, free: 12.68 MB / 0.6042 GB
"
[Timeout remaining time 178]
Using package Buildings with version 13.0.1 (/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: Performance of FrontEnd - loaded program: time 1.754e-06/1.754e-06, allocations: 0 / 0.9997 GB, free: 13.51 MB / 0.9636 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.703e-05/1.879e-05, allocations: 6.281 kB / 0.9997 GB, free: 13.5 MB / 0.9636 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 0.632/0.632, allocations: 326.1 MB / 1.318 GB, free: 7.238 MB / 1.151 GB
Notification: Performance of NFInst.instExpressions: time 0.0777/0.7097, allocations: 70.66 MB / 1.387 GB, free: 432 kB / 1.214 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01402/0.7237, allocations: 0.5966 MB / 1.388 GB, free: 15.82 MB / 1.229 GB
Notification: Performance of NFTyping.typeComponents: time 0.01603/0.7398, allocations: 6.457 MB / 1.394 GB, free: 9.328 MB / 1.229 GB
Notification: Performance of NFTyping.typeBindings: time 0.03293/0.7727, allocations: 15.37 MB / 1.409 GB, free: 9.895 MB / 1.245 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01848/0.7912, allocations: 10.81 MB / 1.42 GB, free: 15.16 MB / 1.26 GB
Notification: Performance of NFFlatten.flatten: time 0.06086/0.852, allocations: 67.26 MB / 1.485 GB, free: 11.75 MB / 1.323 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02022/0.8722, allocations: 15.23 MB / 1.5 GB, free: 12.39 MB / 1.339 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.04864/0.9209, allocations: 23.87 MB / 1.523 GB, free: 4.496 MB / 1.354 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.02376/0.9446, allocations: 14.86 MB / 1.538 GB, free: 5.605 MB / 1.37 GB
Notification: Performance of NFPackage.collectConstants: time 0.007132/0.9518, allocations: 1.781 MB / 1.54 GB, free: 3.824 MB / 1.37 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01428/0.966, allocations: 4.968 MB / 1.545 GB, free: 14.85 MB / 1.385 GB
Notification: Performance of NFScalarize.scalarize: time 0.008223/0.9743, allocations: 6.33 MB / 1.551 GB, free: 8.496 MB / 1.385 GB
Notification: Performance of NFVerifyModel.verify: time 0.01675/0.991, allocations: 7.536 MB / 1.558 GB, free: 0.9414 MB / 1.385 GB
Notification: Performance of NFConvertDAE.convert: time 1.03/2.021, allocations: 30.78 MB / 1.588 GB, free: 155.7 MB / 1.401 GB
Notification: Performance of FrontEnd - DAE generated: time 7.975e-06/2.021, allocations: 0 / 1.588 GB, free: 155.7 MB / 1.401 GB
Notification: Performance of FrontEnd: time 2.134e-06/2.021, allocations: 0 / 1.588 GB, free: 155.7 MB / 1.401 GB
Notification: Performance of Transformations before backend: time 0.001038/2.022, allocations: 1.656 kB / 1.588 GB, free: 155.7 MB / 1.401 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 0.05775/2.079, allocations: 20.8 MB / 1.608 GB, free: 147.4 MB / 1.401 GB
Notification: Performance of prepare preOptimizeDAE: time 5.017e-05/2.079, allocations: 9.969 kB / 1.608 GB, free: 147.4 MB / 1.401 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.006435/2.086, allocations: 0.9995 MB / 1.609 GB, free: 147.3 MB / 1.401 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01544/2.101, allocations: 3.25 MB / 1.613 GB, free: 146.2 MB / 1.401 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04302/2.144, allocations: 22.32 MB / 1.634 GB, free: 142.9 MB / 1.401 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008331/2.145, allocations: 0.6508 MB / 1.635 GB, free: 142.9 MB / 1.401 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.00615/2.151, allocations: 0.8922 MB / 1.636 GB, free: 142.9 MB / 1.401 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04395/2.195, allocations: 18.24 MB / 1.654 GB, free: 140.9 MB / 1.401 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0004093/2.196, allocations: 23.52 kB / 1.654 GB, free: 140.9 MB / 1.401 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005126/2.201, allocations: 316.9 kB / 1.654 GB, free: 140.9 MB / 1.401 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002437/2.201, allocations: 206.6 kB / 1.654 GB, free: 140.9 MB / 1.401 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.034/2.235, allocations: 21.5 MB / 1.675 GB, free: 140.8 MB / 1.401 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 0.1039/2.339, allocations: 61.94 MB / 1.736 GB, free: 125.4 MB / 1.401 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01605/2.355, allocations: 12.78 MB / 1.748 GB, free: 124 MB / 1.401 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01119/2.366, allocations: 9.369 MB / 1.757 GB, free: 119.7 MB / 1.401 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 0.05182/2.418, allocations: 29.59 MB / 1.786 GB, free: 98.56 MB / 1.401 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01347/2.431, allocations: 11.77 MB / 1.798 GB, free: 86.49 MB / 1.401 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.01838/2.45, allocations: 8.19 MB / 1.806 GB, free: 78.54 MB / 1.401 GB
Notification: Performance of pre-optimization done (n=548): time 3.776e-05/2.45, allocations: 4 kB / 1.806 GB, free: 78.54 MB / 1.401 GB
Notification: Performance of matching and sorting (n=832): time 0.5414/2.991, allocations: 248.8 MB / 2.049 GB, free: 5.129 MB / 1.573 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 0.06475/3.056, allocations: 50.97 MB / 2.099 GB, free: 1.059 MB / 1.62 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02672/3.083, allocations: 19.09 MB / 2.117 GB, free: 14.05 MB / 1.651 GB
Notification: Performance of collectPreVariables (initialization): time 0.004124/3.087, allocations: 221.7 kB / 2.117 GB, free: 13.83 MB / 1.651 GB
Notification: Performance of collectInitialEqns (initialization): time 0.007509/3.094, allocations: 7.807 MB / 2.125 GB, free: 6.035 MB / 1.651 GB
Notification: Performance of collectInitialBindings (initialization): time 0.008406/3.103, allocations: 3.064 MB / 2.128 GB, free: 3.008 MB / 1.651 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.009877/3.113, allocations: 3.923 MB / 2.132 GB, free: 15.07 MB / 1.667 GB
Notification: Performance of setup shared object (initialization): time 6.34e-05/3.113, allocations: 301.1 kB / 2.132 GB, free: 14.78 MB / 1.667 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02613/3.139, allocations: 24.21 MB / 2.156 GB, free: 6.523 MB / 1.682 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.494/3.633, allocations: 29.93 MB / 2.185 GB, free: 0.7022 GB / 1.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.05876/3.692, allocations: 44.36 MB / 2.228 GB, free: 0.694 GB / 1.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.091e-05/3.692, allocations: 13 kB / 2.228 GB, free: 0.694 GB / 1.698 GB
Notification: Performance of matching and sorting (n=1284) (initialization): time 0.3286/4.02, allocations: 143.7 MB / 2.369 GB, free: 0.608 GB / 1.698 GB
Notification: Performance of prepare postOptimizeDAE: time 7.362e-05/4.02, allocations: 55.83 kB / 2.369 GB, free: 0.608 GB / 1.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.042e-05/4.021, allocations: 44.09 kB / 2.369 GB, free: 0.6079 GB / 1.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.291/4.311, allocations: 125.3 MB / 2.491 GB, free: 497.6 MB / 1.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009255/4.321, allocations: 3.026 MB / 2.494 GB, free: 494.6 MB / 1.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.09346/4.414, allocations: 85.96 MB / 2.578 GB, free: 408.6 MB / 1.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09647/4.511, allocations: 10.7 MB / 2.589 GB, free: 397.9 MB / 1.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005559/4.516, allocations: 1.599 MB / 2.59 GB, free: 396.3 MB / 1.698 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03147/4.548, allocations: 27.23 MB / 2.617 GB, free: 369 MB / 1.698 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.02496/4.573, allocations: 29.3 MB / 2.645 GB, free: 338 MB / 1.698 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04329/4.616, allocations: 43.11 MB / 2.687 GB, free: 294.2 MB / 1.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.166e-05/4.616, allocations: 15.94 kB / 2.687 GB, free: 294.1 MB / 1.698 GB
Notification: Performance of matching and sorting (n=1284) (initialization_lambda0): time 0.3213/4.937, allocations: 141.5 MB / 2.826 GB, free: 153.6 MB / 1.698 GB
Notification: Performance of prepare postOptimizeDAE: time 5.607e-05/4.937, allocations: 54.78 kB / 2.826 GB, free: 153.5 MB / 1.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.067e-05/4.937, allocations: 44 kB / 2.826 GB, free: 153.5 MB / 1.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.29/5.227, allocations: 124 MB / 2.947 GB, free: 29.84 MB / 1.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008682/5.236, allocations: 2.979 MB / 2.95 GB, free: 26.86 MB / 1.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6023/5.838, allocations: 92.49 MB / 3.04 GB, free: 0.666 GB / 1.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09669/5.935, allocations: 10.76 MB / 3.051 GB, free: 0.6658 GB / 1.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005613/5.941, allocations: 1.565 MB / 3.052 GB, free: 0.6657 GB / 1.698 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 199
 * 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 (828):
 * Single equations (assignments): 810
 * Array equations: 6
 * Algorithm blocks: 1
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 8
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 8 systems
   {1, 1, 1, 1, 1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(28,28,89.3%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 2 systems
   {(33,119), (33,119)}
Notification: Performance of prepare postOptimizeDAE: time 0.007867/5.949, allocations: 0.6895 MB / 3.053 GB, free: 0.6652 GB / 1.698 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007492/5.956, allocations: 1.666 MB / 3.054 GB, free: 0.6652 GB / 1.698 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1309/6.087, allocations: 69.82 MB / 3.123 GB, free: 0.6398 GB / 1.698 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.1388/6.226, allocations: 80.89 MB / 3.202 GB, free: 0.5609 GB / 1.698 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001181/6.226, allocations: 28 kB / 3.202 GB, free: 0.5608 GB / 1.698 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.128/6.354, allocations: 79.78 MB / 3.279 GB, free: 494.6 MB / 1.698 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.214/6.568, allocations: 162.5 MB / 3.438 GB, free: 332.4 MB / 1.698 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.069e-05/6.568, allocations: 0 / 3.438 GB, free: 332.4 MB / 1.698 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00708/6.575, allocations: 2.303 MB / 3.44 GB, free: 330.1 MB / 1.698 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.2937/6.869, allocations: 142 MB / 3.579 GB, free: 188.3 MB / 1.698 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003704/6.872, allocations: 0.7869 MB / 3.58 GB, free: 187.5 MB / 1.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0817/6.954, allocations: 71.09 MB / 3.649 GB, free: 116.4 MB / 1.698 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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.04957/7.004, allocations: 47.57 MB / 3.696 GB, free: 68.23 MB / 1.698 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.6698/7.673, allocations: 117.9 MB / 3.811 GB, free: 0.668 GB / 1.698 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0173/7.691, allocations: 7.342 MB / 3.818 GB, free: 0.6661 GB / 1.698 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007382/7.698, allocations: 186 kB / 3.818 GB, free: 0.666 GB / 1.698 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05397/7.752, allocations: 5.333 MB / 3.823 GB, free: 0.6659 GB / 1.698 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.004539/7.757, allocations: 1.138 MB / 3.825 GB, free: 0.6658 GB / 1.698 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003279/7.76, allocations: 0.8741 MB / 3.825 GB, free: 0.6657 GB / 1.698 GB
Notification: Performance of sorting global known variables: time 0.02009/7.78, allocations: 13.4 MB / 3.838 GB, free: 0.6613 GB / 1.698 GB
Notification: Performance of sort global known variables: time 4e-08/7.78, allocations: 0 / 3.838 GB, free: 0.6613 GB / 1.698 GB
Notification: Performance of remove unused functions: time 0.1069/7.887, allocations: 79.91 MB / 3.916 GB, free: 0.6192 GB / 1.698 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($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 0.1825/8.069, allocations: 118.7 MB / 4.032 GB, free: 0.5175 GB / 1.698 GB
Notification: Performance of simCode: created initialization part: time 0.111/8.18, allocations: 91.55 MB / 4.122 GB, free: 438.3 MB / 1.698 GB
Notification: Performance of simCode: created event and clocks part: time 8.967e-06/8.18, allocations: 4 kB / 4.122 GB, free: 438.3 MB / 1.698 GB
Notification: Performance of simCode: created simulation system equations: time 0.04289/8.223, allocations: 31.75 MB / 4.153 GB, free: 406.6 MB / 1.698 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05893/8.282, allocations: 8.657 MB / 4.161 GB, free: 398.4 MB / 1.698 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.444/9.727, allocations: 466.8 MB / 4.617 GB, free: 0.657 GB / 1.698 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01647/9.743, allocations: 10.64 MB / 4.628 GB, free: 0.6527 GB / 1.698 GB
Notification: Performance of simCode: alias equations: time 0.02576/9.769, allocations: 7.669 MB / 4.635 GB, free: 0.651 GB / 1.698 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02135/9.79, allocations: 11.71 MB / 4.646 GB, free: 0.6473 GB / 1.698 GB
Notification: Performance of SimCode: time 1.773e-06/9.79, allocations: 0 / 4.646 GB, free: 0.6473 GB / 1.698 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 1.394/11.18, allocations: 0.953 GB / 5.599 GB, free: 496.6 MB / 1.698 GB
Notification: Performance of buildModelFMU: Generate platform static: time 55.37/66.56, allocations: 4.062 kB / 5.599 GB, free: 496.6 MB / 1.698 GB
"
[Timeout remaining time 233]
(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: 71.0573128759861]
Failed to read output from testmodel.py, exit status != 0:
66.9442723756656 66.951022343 64.928600106
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x75c4fcfc44a0>