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 0.001008/0.001008, allocations: 77.09 kB / 20.66 MB, free: 3.844 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 0.000999/0.000999, allocations: 169 kB / 24.06 MB, free: 456 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 0.9334/0.9334, allocations: 177.1 MB / 204.5 MB, free: 5.512 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 2.015/2.015, allocations: 429.5 MB / 0.6743 GB, free: 3.922 MB / 0.6355 GB
"
[Timeout remaining time 177]
Using package Buildings with version 14.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: translateModel(Buildings.Fluid.Examples.FlowSystem.Basic,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_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_latest_Buildings.Fluid.Examples.FlowSystem.Basic") [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.062e-06/1.062e-06, allocations: 0 / 0.8794 GB, free: 6.047 MB / 0.8386 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.728e-05/1.834e-05, allocations: 5.688 kB / 0.8794 GB, free: 6.043 MB / 0.8386 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 0.05781/0.05782, allocations: 75.6 MB / 0.9532 GB, free: 10.2 MB / 0.9167 GB
Notification: Performance of NFInst.instExpressions: time 0.0503/0.1081, allocations: 33.09 MB / 0.9855 GB, free: 9.062 MB / 0.948 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01199/0.1201, allocations: 0.6663 MB / 0.9862 GB, free: 8.391 MB / 0.948 GB
Notification: Performance of NFTyping.typeComponents: time 0.009377/0.1295, allocations: 4.294 MB / 0.9904 GB, free: 4.07 MB / 0.948 GB
Notification: Performance of NFTyping.typeBindings: time 0.01974/0.1492, allocations: 10.59 MB / 1.001 GB, free: 9.426 MB / 0.9636 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01754/0.1668, allocations: 11.3 MB / 1.012 GB, free: 14.1 MB / 0.9792 GB
Notification: Performance of NFFlatten.flatten: time 0.7706/0.9374, allocations: 68.35 MB / 1.079 GB, free: 88.67 MB / 1.011 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02042/0.9578, allocations: 17.12 MB / 1.095 GB, free: 87.78 MB / 1.011 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.05287/1.011, allocations: 23.02 MB / 1.118 GB, free: 86.7 MB / 1.011 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03134/1.042, allocations: 15.12 MB / 1.132 GB, free: 85.04 MB / 1.011 GB
Notification: Performance of NFPackage.collectConstants: time 0.008947/1.051, allocations: 1.807 MB / 1.134 GB, free: 85.04 MB / 1.011 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01253/1.063, allocations: 2.759 MB / 1.137 GB, free: 84.86 MB / 1.011 GB
Notification: Performance of NFScalarize.scalarize: time 0.008676/1.072, allocations: 6.498 MB / 1.143 GB, free: 81.55 MB / 1.011 GB
Notification: Performance of NFVerifyModel.verify: time 0.01677/1.089, allocations: 7.746 MB / 1.151 GB, free: 78.58 MB / 1.011 GB
Notification: Performance of NFConvertDAE.convert: time 0.01888/1.108, allocations: 19.82 MB / 1.17 GB, free: 71.43 MB / 1.011 GB
Notification: Performance of FrontEnd - DAE generated: time 4.348e-06/1.108, allocations: 0 / 1.17 GB, free: 71.43 MB / 1.011 GB
Notification: Performance of FrontEnd: time 1.173e-06/1.108, allocations: 0 / 1.17 GB, free: 71.43 MB / 1.011 GB
Notification: Performance of Transformations before backend: time 0.0005887/1.108, allocations: 3.938 kB / 1.17 GB, free: 71.43 MB / 1.011 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 0.02695/1.135, allocations: 21.99 MB / 1.192 GB, free: 59.64 MB / 1.011 GB
Notification: Performance of prepare preOptimizeDAE: time 3.803e-05/1.135, allocations: 9.875 kB / 1.192 GB, free: 59.64 MB / 1.011 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008135/1.144, allocations: 3.811 MB / 1.195 GB, free: 58.08 MB / 1.011 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.02422/1.168, allocations: 16.97 MB / 1.212 GB, free: 46.7 MB / 1.011 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004157/1.168, allocations: 0.7414 MB / 1.213 GB, free: 45.96 MB / 1.011 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002207/1.17, allocations: 1.045 MB / 1.214 GB, free: 44.92 MB / 1.011 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01049/1.181, allocations: 10.47 MB / 1.224 GB, free: 34.25 MB / 1.011 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001139/1.181, allocations: 21.34 kB / 1.224 GB, free: 34.24 MB / 1.011 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008116/1.182, allocations: 312 kB / 1.224 GB, free: 33.94 MB / 1.011 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.535e-05/1.182, allocations: 204 kB / 1.224 GB, free: 33.74 MB / 1.011 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00662/1.189, allocations: 6.271 MB / 1.231 GB, free: 27.51 MB / 1.011 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 0.06144/1.25, allocations: 53.7 MB / 1.283 GB, free: 8.32 MB / 1.042 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.007992/1.258, allocations: 5.691 MB / 1.289 GB, free: 2.793 MB / 1.042 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005386/1.263, allocations: 3.923 MB / 1.292 GB, free: 14.89 MB / 1.057 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 0.03642/1.3, allocations: 21.56 MB / 1.313 GB, free: 9.457 MB / 1.073 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.005132/1.305, allocations: 5.581 MB / 1.319 GB, free: 3.656 MB / 1.073 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.01685/1.322, allocations: 8.211 MB / 1.327 GB, free: 11.66 MB / 1.089 GB
Notification: Performance of pre-optimization done (n=548): time 2.923e-05/1.322, allocations: 0 / 1.327 GB, free: 11.66 MB / 1.089 GB
Notification: Performance of matching and sorting (n=832): time 0.4048/1.727, allocations: 153.4 MB / 1.477 GB, free: 1.59 MB / 1.229 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 0.0398/1.766, allocations: 33.07 MB / 1.509 GB, free: 15.91 MB / 1.276 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01562/1.782, allocations: 15.17 MB / 1.524 GB, free: 3.402 MB / 1.276 GB
Notification: Performance of collectPreVariables (initialization): time 0.003708/1.786, allocations: 273.7 kB / 1.524 GB, free: 3.129 MB / 1.276 GB
Notification: Performance of collectInitialEqns (initialization): time 0.4168/2.203, allocations: 9.257 MB / 1.533 GB, free: 317.9 MB / 1.276 GB
Notification: Performance of collectInitialBindings (initialization): time 0.007989/2.211, allocations: 3.183 MB / 1.536 GB, free: 317.8 MB / 1.276 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.00617/2.217, allocations: 4.332 MB / 1.541 GB, free: 317.6 MB / 1.276 GB
Notification: Performance of setup shared object (initialization): time 3.271e-05/2.217, allocations: 476.8 kB / 1.541 GB, free: 317.1 MB / 1.276 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.007316/2.224, allocations: 4.376 MB / 1.545 GB, free: 317 MB / 1.276 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.009309/2.233, allocations: 14.25 MB / 1.559 GB, free: 304.9 MB / 1.276 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01958/2.253, allocations: 16.48 MB / 1.575 GB, free: 298 MB / 1.276 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.000116/2.253, allocations: 35.97 kB / 1.575 GB, free: 298 MB / 1.276 GB
Notification: Performance of matching and sorting (n=1653) (initialization): time 0.2728/2.526, allocations: 72.14 MB / 1.646 GB, free: 293 MB / 1.276 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001309/2.526, allocations: 90.52 kB / 1.646 GB, free: 293 MB / 1.276 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001846/2.526, allocations: 124.6 kB / 1.646 GB, free: 293 MB / 1.276 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.3535/2.88, allocations: 150.6 MB / 1.793 GB, free: 170.7 MB / 1.276 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01177/2.891, allocations: 3.465 MB / 1.796 GB, free: 167.5 MB / 1.276 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05932/2.951, allocations: 36.33 MB / 1.832 GB, free: 133.5 MB / 1.276 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.05298/3.004, allocations: 4.897 MB / 1.837 GB, free: 128.6 MB / 1.276 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006891/3.011, allocations: 1.699 MB / 1.838 GB, free: 126.9 MB / 1.276 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01799/3.029, allocations: 4.584 MB / 1.843 GB, free: 122.3 MB / 1.276 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.01327/3.042, allocations: 14.14 MB / 1.857 GB, free: 104.9 MB / 1.276 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.02282/3.065, allocations: 16.77 MB / 1.873 GB, free: 86.45 MB / 1.276 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 0.000125/3.065, allocations: 36 kB / 1.873 GB, free: 86.42 MB / 1.276 GB
Notification: Performance of matching and sorting (n=1653) (initialization_lambda0): time 0.2438/3.309, allocations: 71.18 MB / 1.943 GB, free: 16.35 MB / 1.276 GB
Notification: Performance of prepare postOptimizeDAE: time 9.426e-05/3.309, allocations: 93.69 kB / 1.943 GB, free: 16.25 MB / 1.276 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001283/3.309, allocations: 124 kB / 1.943 GB, free: 16.13 MB / 1.276 GB
Notification: Tearing is skipped for linear strong component 7: solving it torn to 24 iteration variables is estimated at 51168 flops against 19186 for the untorn system of size 152.
Notification: Performance of postOpt tearingSystem (initialization): time 0.8116/4.12, allocations: 148.8 MB / 2.088 GB, free: 335.1 MB / 1.339 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01033/4.131, allocations: 3.43 MB / 2.091 GB, free: 334.8 MB / 1.339 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05495/4.186, allocations: 27.24 MB / 2.118 GB, free: 330.7 MB / 1.339 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.05554/4.241, allocations: 4.937 MB / 2.123 GB, free: 327.5 MB / 1.339 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004812/4.246, allocations: 1.664 MB / 2.124 GB, free: 327.5 MB / 1.339 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 568
 * 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 (1197):
 * Single equations (assignments): 1179
 * 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 0.004907/4.251, allocations: 1.028 MB / 2.125 GB, free: 327.2 MB / 1.339 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006218/4.257, allocations: 2.01 MB / 2.127 GB, free: 327.2 MB / 1.339 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.09663/4.354, allocations: 40.92 MB / 2.167 GB, free: 321 MB / 1.339 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.1018/4.456, allocations: 42.45 MB / 2.209 GB, free: 280.8 MB / 1.339 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 9.985e-05/4.456, allocations: 28 kB / 2.209 GB, free: 280.8 MB / 1.339 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.09723/4.553, allocations: 41.54 MB / 2.249 GB, free: 240.9 MB / 1.339 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.1404/4.693, allocations: 83.64 MB / 2.331 GB, free: 165.2 MB / 1.339 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.172e-05/4.693, allocations: 3.984 kB / 2.331 GB, free: 165.2 MB / 1.339 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00748/4.701, allocations: 2.095 MB / 2.333 GB, free: 163.1 MB / 1.339 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.351/5.052, allocations: 165.3 MB / 2.495 GB, free: 14.28 MB / 1.354 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003369/5.055, allocations: 0.7791 MB / 2.495 GB, free: 13.5 MB / 1.354 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.5056/5.561, allocations: 31.86 MB / 2.526 GB, free: 357 MB / 1.354 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 + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac28.dummyVarStateSetJac28 = valSouth2.4.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28 - tabsSouth1.1.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28
2 : valSouth2.4.dp.$pDERStateSetJac28.dummyVarStateSetJac28 = valSouth2.2.port_a.p.$pDERStateSetJac28.dummyVarStateSetJac28 - valSouth2.4.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28
3 : valSouth2.8.dp.$pDERStateSetJac28.dummyVarStateSetJac28 = valSouth2.2.port_a.p.$pDERStateSetJac28.dummyVarStateSetJac28 - valSouth2.8.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28
4 : tabsSouth2.8.dp.$pDERStateSetJac28.dummyVarStateSetJac28 = valSouth2.8.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28 - tabsSouth1.1.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  valSouth2.8.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  valSouth2.2.port_a.p.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  valSouth2.4.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  -valSouth2.4.dp.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  -valSouth2.8.dp.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  -tabsSouth2.8.dp.$pDERStateSetJac28.dummyVarStateSetJac28
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac28 + tabsSouth1[3].m_flow.SeedStateSetJac28 + tabsSouth1.2.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + tabsSouth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 - pipSouth1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + valNorth.res3.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + valSouth.res3.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + (-tabsSouth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28) - tabsSouth1.2.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 - tabsSouth1[3].m_flow.SeedStateSetJac28 - tabsSouth1[4].m_flow.SeedStateSetJac28 - tabsSouth2[1].m_flow.SeedStateSetJac28 - tabsSouth2[2].m_flow.SeedStateSetJac28 - tabsSouth2[3].m_flow.SeedStateSetJac28 - tabsSouth2[4].m_flow.SeedStateSetJac28 - tabsSouth2[5].m_flow.SeedStateSetJac28 - tabsSouth2[6].m_flow.SeedStateSetJac28 - tabsSouth2[7].m_flow.SeedStateSetJac28 - tabsSouth2[8].m_flow.SeedStateSetJac28 - tabsNorth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 - tabsNorth1[2].m_flow.SeedStateSetJac28 - tabsNorth1[3].m_flow.SeedStateSetJac28 - tabsNorth1[4].m_flow.SeedStateSetJac28 - tabsNorth2[1].m_flow.SeedStateSetJac28 - tabsNorth2[2].m_flow.SeedStateSetJac28 - tabsNorth2[3].m_flow.SeedStateSetJac28 - tabsNorth2[4].m_flow.SeedStateSetJac28 - tabsNorth2[5].m_flow.SeedStateSetJac28 - tabsNorth2[6].m_flow.SeedStateSetJac28 - tabsNorth2[8].m_flow.SeedStateSetJac28 - $cse422.$pDERStateSetJac28.dummyVarStateSetJac28 - tabsNorth2[7].m_flow.SeedStateSetJac28 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + (-tabsSouth1[3].m_flow.SeedStateSetJac28) - tabsSouth1[4].m_flow.SeedStateSetJac28 ;
  tabsSouth1[3].m_flow.SeedStateSetJac28 + $cse422.$pDERStateSetJac28.dummyVarStateSetJac28 + tabsNorth2[7].m_flow.SeedStateSetJac28 + tabsNorth2[8].m_flow.SeedStateSetJac28 + tabsNorth2[6].m_flow.SeedStateSetJac28 + tabsNorth2[5].m_flow.SeedStateSetJac28 + tabsNorth2[4].m_flow.SeedStateSetJac28 + tabsNorth2[3].m_flow.SeedStateSetJac28 + tabsNorth2[2].m_flow.SeedStateSetJac28 + tabsNorth2[1].m_flow.SeedStateSetJac28 + tabsNorth1[4].m_flow.SeedStateSetJac28 + tabsNorth1[3].m_flow.SeedStateSetJac28 + tabsNorth1[2].m_flow.SeedStateSetJac28 + tabsNorth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + tabsSouth2[8].m_flow.SeedStateSetJac28 + tabsSouth2[7].m_flow.SeedStateSetJac28 + tabsSouth2[6].m_flow.SeedStateSetJac28 + tabsSouth2[5].m_flow.SeedStateSetJac28 + tabsSouth2[4].m_flow.SeedStateSetJac28 + tabsSouth2[3].m_flow.SeedStateSetJac28 + tabsSouth2[2].m_flow.SeedStateSetJac28 + tabsSouth2[1].m_flow.SeedStateSetJac28 + tabsSouth1[4].m_flow.SeedStateSetJac28 + (-valNorth.res3.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28) - spl1.res1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 - valSouth.res3.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac28.dummyVarStateSetJac28 = valSouth2.4.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28 - tabsSouth1.1.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28
2 : valSouth2.4.dp.$pDERStateSetJac28.dummyVarStateSetJac28 = valSouth2.2.port_a.p.$pDERStateSetJac28.dummyVarStateSetJac28 - valSouth2.4.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28
3 : valSouth2.8.dp.$pDERStateSetJac28.dummyVarStateSetJac28 = valSouth2.2.port_a.p.$pDERStateSetJac28.dummyVarStateSetJac28 - valSouth2.8.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28
4 : tabsSouth2.8.dp.$pDERStateSetJac28.dummyVarStateSetJac28 = valSouth2.8.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28 - tabsSouth1.1.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  valSouth2.8.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  valSouth2.2.port_a.p.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  valSouth2.4.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  -valSouth2.4.dp.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  -valSouth2.8.dp.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  -tabsSouth2.8.dp.$pDERStateSetJac28.dummyVarStateSetJac28
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac28.dummyVarStateSetJac28 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac28 + tabsSouth1[3].m_flow.SeedStateSetJac28 + tabsSouth1.2.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + tabsSouth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 - pipSouth1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + valNorth.res3.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + valSouth.res3.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + (-tabsSouth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28) - tabsSouth1.2.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 - tabsSouth1[3].m_flow.SeedStateSetJac28 - tabsSouth1[4].m_flow.SeedStateSetJac28 - tabsSouth2[1].m_flow.SeedStateSetJac28 - tabsSouth2[2].m_flow.SeedStateSetJac28 - tabsSouth2[3].m_flow.SeedStateSetJac28 - tabsSouth2[4].m_flow.SeedStateSetJac28 - tabsSouth2[5].m_flow.SeedStateSetJac28 - tabsSouth2[6].m_flow.SeedStateSetJac28 - tabsSouth2[7].m_flow.SeedStateSetJac28 - tabsSouth2[8].m_flow.SeedStateSetJac28 - tabsNorth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 - tabsNorth1[2].m_flow.SeedStateSetJac28 - tabsNorth1[3].m_flow.SeedStateSetJac28 - tabsNorth1[4].m_flow.SeedStateSetJac28 - tabsNorth2[1].m_flow.SeedStateSetJac28 - tabsNorth2[2].m_flow.SeedStateSetJac28 - tabsNorth2[3].m_flow.SeedStateSetJac28 - tabsNorth2[4].m_flow.SeedStateSetJac28 - tabsNorth2[5].m_flow.SeedStateSetJac28 - tabsNorth2[6].m_flow.SeedStateSetJac28 - tabsNorth2[8].m_flow.SeedStateSetJac28 - $cse422.$pDERStateSetJac28.dummyVarStateSetJac28 - tabsNorth2[7].m_flow.SeedStateSetJac28 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + (-tabsSouth1[3].m_flow.SeedStateSetJac28) - tabsSouth1[4].m_flow.SeedStateSetJac28 ;
  tabsSouth1[3].m_flow.SeedStateSetJac28 + $cse422.$pDERStateSetJac28.dummyVarStateSetJac28 + tabsNorth2[7].m_flow.SeedStateSetJac28 + tabsNorth2[8].m_flow.SeedStateSetJac28 + tabsNorth2[6].m_flow.SeedStateSetJac28 + tabsNorth2[5].m_flow.SeedStateSetJac28 + tabsNorth2[4].m_flow.SeedStateSetJac28 + tabsNorth2[3].m_flow.SeedStateSetJac28 + tabsNorth2[2].m_flow.SeedStateSetJac28 + tabsNorth2[1].m_flow.SeedStateSetJac28 + tabsNorth1[4].m_flow.SeedStateSetJac28 + tabsNorth1[3].m_flow.SeedStateSetJac28 + tabsNorth1[2].m_flow.SeedStateSetJac28 + tabsNorth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 + tabsSouth2[8].m_flow.SeedStateSetJac28 + tabsSouth2[7].m_flow.SeedStateSetJac28 + tabsSouth2[6].m_flow.SeedStateSetJac28 + tabsSouth2[5].m_flow.SeedStateSetJac28 + tabsSouth2[4].m_flow.SeedStateSetJac28 + tabsSouth2[3].m_flow.SeedStateSetJac28 + tabsSouth2[2].m_flow.SeedStateSetJac28 + tabsSouth2[1].m_flow.SeedStateSetJac28 + tabsSouth1[4].m_flow.SeedStateSetJac28 + (-valNorth.res3.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28) - spl1.res1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 - valSouth.res3.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac28.dummyVarStateSetJac28 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.02944/5.59, allocations: 32.8 MB / 2.559 GB, free: 340.2 MB / 1.354 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.1288/5.719, allocations: 51.59 MB / 2.609 GB, free: 338.1 MB / 1.354 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01624/5.735, allocations: 5.188 MB / 2.614 GB, free: 337.3 MB / 1.354 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.005021/5.74, allocations: 180.5 kB / 2.614 GB, free: 337.3 MB / 1.354 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02525/5.766, allocations: 2.236 MB / 2.616 GB, free: 335.6 MB / 1.354 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.003217/5.769, allocations: 1.142 MB / 2.617 GB, free: 335.6 MB / 1.354 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.002109/5.771, allocations: 0.8221 MB / 2.618 GB, free: 335.6 MB / 1.354 GB
Notification: Performance of sorting global known variables: time 0.008851/5.78, allocations: 7.505 MB / 2.626 GB, free: 335 MB / 1.354 GB
Notification: Performance of sort global known variables: time 2.7e-07/5.78, allocations: 0.9062 kB / 2.626 GB, free: 335 MB / 1.354 GB
Notification: Performance of remove unused functions: time 0.0627/5.842, allocations: 32.25 MB / 2.657 GB, free: 329.2 MB / 1.354 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($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 0.00386/5.846, allocations: 0.6286 MB / 2.658 GB, free: 328.8 MB / 1.354 GB
Notification: Performance of simCode: created initialization part: time 0.06589/5.912, allocations: 35.81 MB / 2.693 GB, free: 303.1 MB / 1.354 GB
Notification: Performance of simCode: created event and clocks part: time 1.115e-05/5.912, allocations: 0 / 2.693 GB, free: 303.1 MB / 1.354 GB
Notification: Performance of simCode: created simulation system equations: time 0.0338/5.946, allocations: 16.52 MB / 2.709 GB, free: 289.4 MB / 1.354 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.04368/5.99, allocations: 11.8 MB / 2.72 GB, free: 279.1 MB / 1.354 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05458/6.044, allocations: 43.31 MB / 2.763 GB, free: 238.7 MB / 1.354 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00413/6.048, allocations: 4.662 MB / 2.767 GB, free: 234.5 MB / 1.354 GB
Notification: Performance of simCode: alias equations: time 0.02041/6.069, allocations: 3.409 MB / 2.77 GB, free: 231.1 MB / 1.354 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02396/6.093, allocations: 8.055 MB / 2.778 GB, free: 223.2 MB / 1.354 GB
Notification: Performance of SimCode: time 1.382e-06/6.093, allocations: 0 / 2.778 GB, free: 223.2 MB / 1.354 GB
Notification: Performance of Templates: time 1.703/7.796, allocations: 0.7922 GB / 3.571 GB, free: 386 MB / 1.386 GB
"
[Timeout remaining time 292]
make -j1 -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.makefile [Timeout 300]
(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 & ./Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic -abortSlowSimulation -alarm=240  -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe 2>&1) [Timeout 240]
[Calling os._exit(0), Time elapsed: 26.552527741063386]