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 0.0009106/0.0009106, allocations: 80.8 kB / 20.75 MB, free: 3.738 MB / 18.57 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 0.0009042/0.0009042, allocations: 165 kB / 24.17 MB, free: 328 kB / 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 0.9379/0.9379, allocations: 177.2 MB / 204.6 MB, free: 5.453 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo): time 1.831/1.831, allocations: 377.9 MB / 0.624 GB, free: 8.359 MB / 0.5886 GB
"
[Timeout remaining time 178]
Using package Buildings with version 12.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-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: translateModel(Buildings.Fluid.Examples.FlowSystem.Basic,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic")
translateModel(Buildings.Fluid.Examples.FlowSystem.Basic,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic") [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.202e-06/1.202e-06, allocations: 0 / 0.76 GB, free: 6.668 MB / 0.7136 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.8e-05/1.921e-05, allocations: 2.844 kB / 0.76 GB, free: 6.664 MB / 0.7136 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 0.05073/0.05075, allocations: 74.2 MB / 0.8325 GB, free: 12.25 MB / 0.7917 GB
Notification: Performance of NFInst.instExpressions: time 0.05391/0.1047, allocations: 31.37 MB / 0.8631 GB, free: 12.98 MB / 0.823 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01385/0.1185, allocations: 0.5965 MB / 0.8637 GB, free: 12.38 MB / 0.823 GB
Notification: Performance of NFTyping.typeComponents: time 0.01072/0.1292, allocations: 4.287 MB / 0.8679 GB, free: 8.07 MB / 0.823 GB
Notification: Performance of NFTyping.typeBindings: time 0.02318/0.1524, allocations: 10.32 MB / 0.878 GB, free: 13.7 MB / 0.8386 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01711/0.1695, allocations: 9.604 MB / 0.8873 GB, free: 4.074 MB / 0.8386 GB
Notification: Performance of NFFlatten.flatten: time 0.06251/0.232, allocations: 65.69 MB / 0.9515 GB, free: 2.223 MB / 0.9011 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.021/0.253, allocations: 16.69 MB / 0.9678 GB, free: 1.328 MB / 0.9167 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.04116/0.2942, allocations: 21.61 MB / 0.9889 GB, free: 11.77 MB / 0.948 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0246/0.3188, allocations: 14.38 MB / 1.003 GB, free: 13.36 MB / 0.9636 GB
Notification: Performance of NFPackage.collectConstants: time 0.006795/0.3256, allocations: 1.754 MB / 1.005 GB, free: 11.6 MB / 0.9636 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01035/0.336, allocations: 2.705 MB / 1.007 GB, free: 8.895 MB / 0.9636 GB
Notification: Performance of NFScalarize.scalarize: time 0.01049/0.3464, allocations: 6.292 MB / 1.013 GB, free: 2.582 MB / 0.9636 GB
Notification: Performance of NFVerifyModel.verify: time 0.01556/0.362, allocations: 7.373 MB / 1.021 GB, free: 11.19 MB / 0.9792 GB
Notification: Performance of NFConvertDAE.convert: time 0.0265/0.3885, allocations: 19.03 MB / 1.039 GB, free: 8.102 MB / 0.9948 GB
Notification: Performance of FrontEnd - DAE generated: time 6.472e-06/0.3885, allocations: 7.938 kB / 1.039 GB, free: 8.094 MB / 0.9948 GB
Notification: Performance of FrontEnd: time 1.292e-06/0.3885, allocations: 4 kB / 1.039 GB, free: 8.09 MB / 0.9948 GB
Notification: Performance of Transformations before backend: time 0.0008012/0.3893, allocations: 0 / 1.039 GB, free: 8.09 MB / 0.9948 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 0.72/1.109, allocations: 18.78 MB / 1.058 GB, free: 177.7 MB / 0.9949 GB
Notification: Performance of prepare preOptimizeDAE: time 3.978e-05/1.109, allocations: 8.719 kB / 1.058 GB, free: 177.7 MB / 0.9949 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008447/1.118, allocations: 2.765 MB / 1.06 GB, free: 177.7 MB / 0.9949 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.02283/1.141, allocations: 13.19 MB / 1.073 GB, free: 175 MB / 0.9949 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005045/1.141, allocations: 0.6521 MB / 1.074 GB, free: 175 MB / 0.9949 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002038/1.143, allocations: 0.9054 MB / 1.075 GB, free: 175 MB / 0.9949 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01015/1.153, allocations: 10.18 MB / 1.085 GB, free: 173 MB / 0.9949 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000118/1.153, allocations: 18.2 kB / 1.085 GB, free: 173 MB / 0.9949 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000828/1.154, allocations: 317 kB / 1.085 GB, free: 173 MB / 0.9949 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001146/1.154, allocations: 210.8 kB / 1.085 GB, free: 173 MB / 0.9949 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006592/1.161, allocations: 5.228 MB / 1.09 GB, free: 172.8 MB / 0.9949 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 0.05376/1.215, allocations: 31.77 MB / 1.121 GB, free: 158.8 MB / 0.9949 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.006273/1.221, allocations: 4.981 MB / 1.126 GB, free: 154.8 MB / 0.9949 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.003824/1.225, allocations: 3.333 MB / 1.129 GB, free: 151.7 MB / 0.9949 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 0.02912/1.254, allocations: 12.39 MB / 1.141 GB, free: 143 MB / 0.9949 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003796/1.258, allocations: 5.326 MB / 1.147 GB, free: 137.6 MB / 0.9949 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.01503/1.273, allocations: 8.131 MB / 1.155 GB, free: 130.5 MB / 0.9949 GB
Notification: Performance of pre-optimization done (n=548): time 2.031e-05/1.273, allocations: 0 / 1.155 GB, free: 130.5 MB / 0.9949 GB
Notification: Performance of matching and sorting (n=832): time 0.3471/1.62, allocations: 148.6 MB / 1.3 GB, free: 14.1 MB / 1.026 GB
Warning: The linear system: 
1 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p
2 : valNorth2[8].dp = valNorth2[2].port_a.p - valNorth2[8].port_b.p
3 : tabsNorth2[8].dp = valNorth2[8].port_b.p - tabsSouth1[1].port_b.p
4 : tabsNorth2[7].dp = valNorth2[7].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
]
  *
[
  valNorth2[7].port_b.p ;
  tabsSouth1[1].port_b.p ;
  valNorth2[8].port_b.p ;
  valNorth2[2].port_a.p
]
  =
[
  -valNorth2[7].dp ;
  -valNorth2[8].dp ;
  -tabsNorth2[8].dp ;
  -tabsNorth2[7].dp
]
 might be structurally or numerically singular for variable valNorth2[2].port_a.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
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 : tabsNorth2[8].dp = valNorth2[8].port_b.p - tabsSouth1[1].port_b.p
2 : tabsNorth2[7].dp = valNorth2[7].port_b.p - tabsSouth1[1].port_b.p
3 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p
4 : valNorth2[8].dp = valNorth2[2].port_a.p - valNorth2[8].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
]
  *
[
  valNorth2[8].port_b.p ;
  valNorth2[2].port_a.p ;
  valNorth2[7].port_b.p ;
  tabsSouth1[1].port_b.p
]
  =
[
  -tabsNorth2[8].dp ;
  -tabsNorth2[7].dp ;
  -valNorth2[7].dp ;
  -valNorth2[8].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 : 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[2].m_flow ;
  tabsSouth1[1].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[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0
2 : tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0
3 : tabsNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0
4 : valNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0
[
  -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
]
  *
[
  valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0
]
  =
[
  -valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  -tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  -tabsNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  -valNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0
]
 might be structurally or numerically singular for variable valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0
2 : 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.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0 ;
  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.$pDERStateSetJac0.dummyVarStateSetJac0
]
 might be structurally or numerically singular for variable tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0
2 : tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0
3 : tabsNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0
4 : valNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0
[
  -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
]
  *
[
  valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0
]
  =
[
  -valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  -tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  -tabsNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  -valNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0
]
 might be structurally or numerically singular for variable valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valCoo.m_flow.$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.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0
[
  -1.0 , -1.0 ;
  1.0 , 1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  tabsSouth1.1.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.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of inlineWhenForInitialization (initialization): time 0.03389/1.654, allocations: 29.43 MB / 1.328 GB, free: 36 kB / 1.042 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01166/1.665, allocations: 12.35 MB / 1.341 GB, free: 5.988 MB / 1.057 GB
Notification: Performance of collectPreVariables (initialization): time 0.002781/1.668, allocations: 224.8 kB / 1.341 GB, free: 5.766 MB / 1.057 GB
Notification: Performance of collectInitialEqns (initialization): time 0.002322/1.671, allocations: 4.109 MB / 1.345 GB, free: 2.344 MB / 1.057 GB
Notification: Performance of collectInitialBindings (initialization): time 0.006923/1.677, allocations: 3.069 MB / 1.348 GB, free: 15.45 MB / 1.073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.004937/1.682, allocations: 2.809 MB / 1.35 GB, free: 12.87 MB / 1.073 GB
Notification: Performance of setup shared object (initialization): time 6.287e-05/1.682, allocations: 308.9 kB / 1.351 GB, free: 12.57 MB / 1.073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.007239/1.69, allocations: 3.736 MB / 1.354 GB, free: 8.809 MB / 1.073 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.009511/1.699, allocations: 9.154 MB / 1.363 GB, free: 14.18 MB / 1.089 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01641/1.716, allocations: 12.08 MB / 1.375 GB, free: 1.805 MB / 1.089 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.683e-05/1.716, allocations: 12 kB / 1.375 GB, free: 1.793 MB / 1.089 GB
Notification: Performance of matching and sorting (n=1284) (initialization): time 0.2335/1.949, allocations: 64.37 MB / 1.438 GB, free: 2.176 MB / 1.151 GB
Notification: Performance of prepare postOptimizeDAE: time 6.851e-05/1.949, allocations: 50.95 kB / 1.438 GB, free: 2.121 MB / 1.151 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.924e-05/1.949, allocations: 44.91 kB / 1.438 GB, free: 2.078 MB / 1.151 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.084/3.033, allocations: 144.2 MB / 1.579 GB, free: 316.7 MB / 1.198 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008995/3.042, allocations: 2.703 MB / 1.582 GB, free: 315 MB / 1.198 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04795/3.09, allocations: 27.94 MB / 1.609 GB, free: 293.5 MB / 1.198 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.04012/3.13, allocations: 4.777 MB / 1.614 GB, free: 288.9 MB / 1.198 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004953/3.135, allocations: 1.381 MB / 1.615 GB, free: 287.6 MB / 1.198 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01874/3.154, allocations: 3.888 MB / 1.619 GB, free: 284.3 MB / 1.198 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.01162/3.165, allocations: 9.07 MB / 1.628 GB, free: 274.1 MB / 1.198 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.02059/3.186, allocations: 11.52 MB / 1.639 GB, free: 263.1 MB / 1.198 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.067e-05/3.186, allocations: 12 kB / 1.639 GB, free: 263.1 MB / 1.198 GB
Notification: Performance of matching and sorting (n=1284) (initialization_lambda0): time 0.2323/3.418, allocations: 63.73 MB / 1.701 GB, free: 203.6 MB / 1.198 GB
Notification: Performance of prepare postOptimizeDAE: time 7.035e-05/3.418, allocations: 51.39 kB / 1.701 GB, free: 203.5 MB / 1.198 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.934e-05/3.418, allocations: 46.08 kB / 1.701 GB, free: 203.5 MB / 1.198 GB
Notification: Tearing is skipped for linear strong component 8: solving it torn to 24 iteration variables is estimated at 50592 flops against 19234 for the untorn system of size 147.
Notification: Performance of postOpt tearingSystem (initialization): time 0.3506/3.769, allocations: 142.5 MB / 1.84 GB, free: 65.29 MB / 1.198 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008904/3.778, allocations: 2.668 MB / 1.843 GB, free: 62.71 MB / 1.198 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04395/3.822, allocations: 21.73 MB / 1.864 GB, free: 41.21 MB / 1.198 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.03947/3.861, allocations: 4.812 MB / 1.869 GB, free: 36.4 MB / 1.198 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005026/3.866, allocations: 1.347 MB / 1.87 GB, free: 35.05 MB / 1.198 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 (838):
 * Single equations (assignments): 820
 * 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
   {(34,113), (34,113)}
Notification: Performance of prepare postOptimizeDAE: time 0.006354/3.873, allocations: 0.6903 MB / 1.871 GB, free: 34.45 MB / 1.198 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006592/3.879, allocations: 1.104 MB / 1.872 GB, free: 33.35 MB / 1.198 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.08671/3.966, allocations: 38.26 MB / 1.909 GB, free: 11.64 MB / 1.214 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.5586/4.525, allocations: 38.72 MB / 1.947 GB, free: 339.8 MB / 1.229 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001489/4.525, allocations: 31.22 kB / 1.947 GB, free: 339.8 MB / 1.229 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.08685/4.612, allocations: 37.82 MB / 1.984 GB, free: 338.3 MB / 1.229 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.1561/4.768, allocations: 73.56 MB / 2.056 GB, free: 315.2 MB / 1.229 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.836e-05/4.768, allocations: 4 kB / 2.056 GB, free: 315.2 MB / 1.229 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.007083/4.775, allocations: 2.031 MB / 2.058 GB, free: 313.2 MB / 1.229 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3298/5.105, allocations: 166.9 MB / 2.221 GB, free: 149.4 MB / 1.229 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003852/5.108, allocations: 0.7398 MB / 2.222 GB, free: 148.8 MB / 1.229 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04712/5.156, allocations: 26.87 MB / 2.248 GB, free: 125.2 MB / 1.229 GB
Warning: The linear system: 
1 : tabsNorth2[1].dp = valNorth2[1].port_b.p - tabsSouth1[1].port_b.p
2 : tabsNorth2[7].dp = valNorth2[7].port_b.p - tabsSouth1[1].port_b.p
3 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p
4 : valNorth2[1].dp = valNorth2[2].port_a.p - valNorth2[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
]
  *
[
  valNorth2[1].port_b.p ;
  valNorth2[2].port_a.p ;
  valNorth2[7].port_b.p ;
  tabsSouth1[1].port_b.p
]
  =
[
  -tabsNorth2[1].dp ;
  -tabsNorth2[7].dp ;
  -valNorth2[7].dp ;
  -valNorth2[1].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[2].m_flow ;
  tabsSouth1[1].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[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p
2 : valNorth2[1].dp = valNorth2[2].port_a.p - valNorth2[1].port_b.p
3 : tabsNorth2[1].dp = valNorth2[1].port_b.p - tabsSouth1[1].port_b.p
4 : tabsNorth2[7].dp = valNorth2[7].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
]
  *
[
  valNorth2[7].port_b.p ;
  tabsSouth1[1].port_b.p ;
  valNorth2[1].port_b.p ;
  valNorth2[2].port_a.p
]
  =
[
  -valNorth2[7].dp ;
  -valNorth2[1].dp ;
  -tabsNorth2[1].dp ;
  -tabsNorth2[7].dp
]
 might be structurally or numerically singular for variable valNorth2[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[2].m_flow ;
  tabsSouth1[1].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 + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.7.port_b.p.$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 ;
  valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valNorth2.1.port_b.p.$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
]
  *
[
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.2.m_flow.$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 tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.7.port_b.p.$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 ;
  valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valNorth2.1.port_b.p.$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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.02484/5.18, allocations: 25.73 MB / 2.273 GB, free: 102.1 MB / 1.229 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.1421/5.322, allocations: 62.77 MB / 2.334 GB, free: 41.18 MB / 1.229 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01285/5.335, allocations: 3.047 MB / 2.337 GB, free: 39.52 MB / 1.229 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.006695/5.342, allocations: 188.5 kB / 2.337 GB, free: 39.47 MB / 1.229 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02578/5.368, allocations: 2.231 MB / 2.34 GB, free: 37.38 MB / 1.229 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.004272/5.372, allocations: 1.098 MB / 2.341 GB, free: 36.34 MB / 1.229 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.002465/5.375, allocations: 0.7573 MB / 2.341 GB, free: 35.65 MB / 1.229 GB
Notification: Performance of sorting global known variables: time 0.01024/5.385, allocations: 5.914 MB / 2.347 GB, free: 30.8 MB / 1.229 GB
Notification: Performance of sort global known variables: time 2.9e-07/5.385, allocations: 0 / 2.347 GB, free: 30.8 MB / 1.229 GB
Notification: Performance of remove unused functions: time 0.05879/5.444, allocations: 31.8 MB / 2.378 GB, free: 15.5 MB / 1.245 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($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 (547):
 * Single equations (assignments): 524
 * 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
   {(35,149), (1,1), (62,185)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.003714/5.447, allocations: 0.6262 MB / 2.379 GB, free: 15.09 MB / 1.245 GB
Notification: Performance of simCode: created initialization part: time 0.4703/5.918, allocations: 30.51 MB / 2.409 GB, free: 387.7 MB / 1.245 GB
Notification: Performance of simCode: created event and clocks part: time 0.0004558/5.918, allocations: 167.1 kB / 2.409 GB, free: 387.7 MB / 1.245 GB
Notification: Performance of simCode: created simulation system equations: time 0.03589/5.954, allocations: 15.38 MB / 2.424 GB, free: 386.6 MB / 1.245 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.04853/6.002, allocations: 11.38 MB / 2.435 GB, free: 385.3 MB / 1.245 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.06915/6.072, allocations: 40.25 MB / 2.474 GB, free: 364.6 MB / 1.245 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.008157/6.08, allocations: 4.115 MB / 2.478 GB, free: 362 MB / 1.245 GB
Notification: Performance of simCode: alias equations: time 0.02392/6.104, allocations: 3.157 MB / 2.481 GB, free: 359.4 MB / 1.245 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0333/6.137, allocations: 6.864 MB / 2.488 GB, free: 355.2 MB / 1.245 GB
Notification: Performance of SimCode: time 2.505e-06/6.137, allocations: 0 / 2.488 GB, free: 355.2 MB / 1.245 GB
Notification: Performance of Templates: time 1.23/7.367, allocations: 0.765 GB / 3.253 GB, free: 14.68 MB / 1.245 GB
"
[Timeout remaining time 293]
make -j1 -f Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.makefile [Timeout 300]
(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 & ./Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic -abortSlowSimulation -alarm=240  -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.pipe 2>&1) [Timeout 240]
[Calling os._exit(0), Time elapsed: 21.954241529572755]