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 0.001364/0.001364, allocations: 84.05 kB / 19.76 MB, free: 2.023 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001456/0.001456, allocations: 158.1 kB / 23.01 MB, free: 4.961 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 1.479/1.479, allocations: 177.2 MB / 203.4 MB, free: 8.965 MB / 190.1 MB
"
[Timeout remaining time 178]
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 3.045/3.045, allocations: 394.2 MB / 0.6386 GB, free: 11.95 MB / 0.6075 GB
"
[Timeout remaining time 176]
Using package Buildings with version 13.0.0 (/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: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.002112/0.002112, allocations: 73.58 kB / 1.009 GB, free: 14.49 MB / 0.9669 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.9412/0.9433, allocations: 181.8 MB / 1.187 GB, free: 16.43 MB / 1.076 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 0.3697/1.313, allocations: 328.9 MB / 1.508 GB, free: 12.55 MB / 1.357 GB
Notification: Performance of NFInst.instExpressions: time 0.1186/1.432, allocations: 70.67 MB / 1.577 GB, free: 5.719 MB / 1.42 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01565/1.447, allocations: 0.5965 MB / 1.577 GB, free: 5.117 MB / 1.42 GB
Notification: Performance of NFTyping.typeComponents: time 0.01971/1.467, allocations: 6.367 MB / 1.584 GB, free: 14.71 MB / 1.436 GB
Notification: Performance of NFTyping.typeBindings: time 0.04483/1.512, allocations: 14.96 MB / 1.598 GB, free: 15.7 MB / 1.451 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02653/1.538, allocations: 10.47 MB / 1.608 GB, free: 5.305 MB / 1.451 GB
Notification: Performance of NFFlatten.flatten: time 0.1016/1.64, allocations: 66.91 MB / 1.674 GB, free: 2.246 MB / 1.514 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02735/1.667, allocations: 15.44 MB / 1.689 GB, free: 2.656 MB / 1.529 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.04388/1.711, allocations: 18.5 MB / 1.707 GB, free: 136 kB / 1.545 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03815/1.749, allocations: 16.07 MB / 1.723 GB, free: 4 kB / 1.561 GB
Notification: Performance of NFPackage.collectConstants: time 1.517/3.266, allocations: 1.778 MB / 1.724 GB, free: 131.6 MB / 1.561 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02043/3.286, allocations: 4.926 MB / 1.729 GB, free: 131.6 MB / 1.561 GB
Notification: Performance of NFScalarize.scalarize: time 0.01345/3.3, allocations: 6.152 MB / 1.735 GB, free: 131.6 MB / 1.561 GB
Notification: Performance of NFVerifyModel.verify: time 0.03264/3.332, allocations: 8.778 MB / 1.744 GB, free: 131.6 MB / 1.561 GB
Notification: Performance of NFConvertDAE.convert: time 0.06106/3.393, allocations: 29.53 MB / 1.773 GB, free: 128 MB / 1.561 GB
Notification: Performance of FrontEnd - DAE generated: time 6.192e-06/3.393, allocations: 0 / 1.773 GB, free: 128 MB / 1.561 GB
Notification: Performance of FrontEnd: time 2.014e-06/3.393, allocations: 0 / 1.773 GB, free: 128 MB / 1.561 GB
Notification: Performance of Transformations before backend: time 0.001136/3.394, allocations: 0.6562 kB / 1.773 GB, free: 128 MB / 1.561 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 0.08162/3.476, allocations: 20.72 MB / 1.793 GB, free: 119.4 MB / 1.561 GB
Notification: Performance of prepare preOptimizeDAE: time 4.84e-05/3.476, allocations: 10.28 kB / 1.793 GB, free: 119.4 MB / 1.561 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0222/3.498, allocations: 3.235 MB / 1.796 GB, free: 118.3 MB / 1.561 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0487/3.547, allocations: 20.08 MB / 1.816 GB, free: 115.1 MB / 1.561 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008416/3.548, allocations: 0.6487 MB / 1.816 GB, free: 115.1 MB / 1.561 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.006443/3.554, allocations: 0.8924 MB / 1.817 GB, free: 115.1 MB / 1.561 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04919/3.604, allocations: 18.23 MB / 1.835 GB, free: 113.1 MB / 1.561 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0004229/3.604, allocations: 18.91 kB / 1.835 GB, free: 113.1 MB / 1.561 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005029/3.609, allocations: 320.4 kB / 1.835 GB, free: 113.1 MB / 1.561 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002121/3.609, allocations: 203.5 kB / 1.835 GB, free: 113.1 MB / 1.561 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04143/3.651, allocations: 21.5 MB / 1.856 GB, free: 113 MB / 1.561 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.1481/3.799, allocations: 60.28 MB / 1.915 GB, free: 92.42 MB / 1.561 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02405/3.823, allocations: 12.77 MB / 1.928 GB, free: 89.86 MB / 1.561 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01609/3.839, allocations: 9.379 MB / 1.937 GB, free: 86.1 MB / 1.561 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt evalFunc (simulation): time 0.0713/3.91, allocations: 29.41 MB / 1.966 GB, free: 62.72 MB / 1.561 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01946/3.93, allocations: 11.77 MB / 1.977 GB, free: 50.64 MB / 1.561 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.03049/3.96, allocations: 8.177 MB / 1.985 GB, free: 42.71 MB / 1.561 GB
Notification: Performance of pre-optimization done (n=548): time 3.243e-05/3.96, allocations: 0 / 1.985 GB, free: 42.71 MB / 1.561 GB
Notification: Performance of matching and sorting (n=832): time 1.123/5.083, allocations: 248.8 MB / 2.228 GB, free: 0.9688 MB / 1.764 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 0.1402/5.223, allocations: 50.8 MB / 2.278 GB, free: 13.11 MB / 1.826 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03911/5.262, allocations: 16.15 MB / 2.294 GB, free: 13.03 MB / 1.842 GB
Notification: Performance of collectPreVariables (initialization): time 0.004763/5.267, allocations: 222.9 kB / 2.294 GB, free: 12.8 MB / 1.842 GB
Notification: Performance of collectInitialEqns (initialization): time 0.01212/5.279, allocations: 7.674 MB / 2.301 GB, free: 5.133 MB / 1.842 GB
Notification: Performance of collectInitialBindings (initialization): time 0.01258/5.292, allocations: 3.102 MB / 2.304 GB, free: 2.07 MB / 1.842 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01786/5.31, allocations: 3.947 MB / 2.308 GB, free: 14.11 MB / 1.858 GB
Notification: Performance of setup shared object (initialization): time 0.0001329/5.31, allocations: 305.1 kB / 2.308 GB, free: 13.81 MB / 1.858 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.04729/5.357, allocations: 24.21 MB / 2.332 GB, free: 5.566 MB / 1.873 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.05526/5.412, allocations: 29.93 MB / 2.361 GB, free: 5.902 MB / 1.904 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.09293/5.505, allocations: 44.36 MB / 2.405 GB, free: 9.016 MB / 1.951 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.991e-05/5.505, allocations: 12 kB / 2.405 GB, free: 9.004 MB / 1.951 GB
Notification: Performance of matching and sorting (n=1284) (initialization): time 1.509/7.014, allocations: 143.7 MB / 2.545 GB, free: 0.5081 GB / 1.967 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001181/7.014, allocations: 50.73 kB / 2.545 GB, free: 0.5081 GB / 1.967 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001093/7.014, allocations: 44.97 kB / 2.545 GB, free: 0.5081 GB / 1.967 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6166/7.631, allocations: 125.3 MB / 2.667 GB, free: 428.3 MB / 1.967 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01735/7.648, allocations: 3.031 MB / 2.67 GB, free: 425.4 MB / 1.967 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1613/7.809, allocations: 85.92 MB / 2.754 GB, free: 361.2 MB / 1.967 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2169/8.026, allocations: 10.69 MB / 2.765 GB, free: 350.7 MB / 1.967 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006984/8.033, allocations: 1.603 MB / 2.766 GB, free: 349.2 MB / 1.967 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04393/8.077, allocations: 27.21 MB / 2.793 GB, free: 324.1 MB / 1.967 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03565/8.113, allocations: 29.31 MB / 2.821 GB, free: 293.1 MB / 1.967 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06559/8.179, allocations: 43.1 MB / 2.864 GB, free: 249.5 MB / 1.967 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.385e-05/8.179, allocations: 19.94 kB / 2.864 GB, free: 249.5 MB / 1.967 GB
Notification: Performance of matching and sorting (n=1284) (initialization_lambda0): time 0.6425/8.821, allocations: 141.5 MB / 3.002 GB, free: 109.6 MB / 1.967 GB
Notification: Performance of prepare postOptimizeDAE: time 8.514e-05/8.821, allocations: 55.66 kB / 3.002 GB, free: 109.6 MB / 1.967 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.123e-05/8.821, allocations: 44 kB / 3.002 GB, free: 109.5 MB / 1.967 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6198/9.441, allocations: 124 MB / 3.123 GB, free: 1.992 MB / 1.983 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01754/9.459, allocations: 2.987 MB / 3.126 GB, free: 15.09 MB / 1.998 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.033/10.49, allocations: 92.39 MB / 3.216 GB, free: 0.8168 GB / 2.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2167/10.71, allocations: 10.75 MB / 3.227 GB, free: 0.8166 GB / 2.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00888/10.72, allocations: 1.567 MB / 3.228 GB, free: 0.8165 GB / 2.014 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 199
 * Number of states: 0 ()
 * Number of discrete variables: 10 ($whenCondition1,stepValve.count,$PRE.stepValve.count,stepValve.T_start,$PRE.stepValve.T_start,pumpHea.stage,stepPump.pulseStart,$PRE.stepPump.pulseStart,stepPump.y,$whenCondition2)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (828):
 * Single equations (assignments): 810
 * Array equations: 6
 * Algorithm blocks: 1
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 8
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 8 systems
   {1, 1, 1, 1, 1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(28,28,89.3%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 2 systems
   {(33,119), (33,119)}
Notification: Performance of prepare postOptimizeDAE: time 0.01223/10.73, allocations: 0.6768 MB / 3.229 GB, free: 0.8161 GB / 2.014 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.01148/10.74, allocations: 1.631 MB / 3.23 GB, free: 0.8161 GB / 2.014 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2516/10.99, allocations: 69.8 MB / 3.299 GB, free: 0.7915 GB / 2.014 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2621/11.25, allocations: 80.89 MB / 3.378 GB, free: 0.7127 GB / 2.014 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0002358/11.25, allocations: 28 kB / 3.378 GB, free: 0.7126 GB / 2.014 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2473/11.5, allocations: 79.76 MB / 3.455 GB, free: 0.6348 GB / 2.014 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3615/11.86, allocations: 161.2 MB / 3.613 GB, free: 489.1 MB / 2.014 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.924e-05/11.86, allocations: 4 kB / 3.613 GB, free: 489.1 MB / 2.014 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01264/11.88, allocations: 2.295 MB / 3.615 GB, free: 486.8 MB / 2.014 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.5733/12.45, allocations: 142 MB / 3.754 GB, free: 345 MB / 2.014 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004362/12.45, allocations: 0.7906 MB / 3.755 GB, free: 344.2 MB / 2.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1563/12.61, allocations: 71.04 MB / 3.824 GB, free: 273.2 MB / 2.014 GB
Warning: The linear system: 
1 : tabsSouth2[4].dp = valSouth2[4].port_b.p - tabsSouth1[1].port_b.p
2 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
3 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
4 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth2[4].port_b.p
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[4].port_b.p ;
  valSouth2[2].port_a.p ;
  valSouth2[8].port_b.p ;
  tabsSouth1[1].port_b.p
]
  =
[
  -tabsSouth2[4].dp ;
  -tabsSouth2[8].dp ;
  -valSouth2[8].dp ;
  -valSouth2[4].dp
]
 might be structurally or numerically singular for variable tabsSouth1[1].port_b.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
2 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse422 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1[1].m_flow ;
  tabsSouth1[2].m_flow
]
  =
[
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ;
  tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
2 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth2[4].port_b.p
3 : tabsSouth2[4].dp = valSouth2[4].port_b.p - tabsSouth1[1].port_b.p
4 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[8].port_b.p ;
  tabsSouth1[1].port_b.p ;
  valSouth2[4].port_b.p ;
  valSouth2[2].port_a.p
]
  =
[
  -valSouth2[8].dp ;
  -valSouth2[4].dp ;
  -tabsSouth2[4].dp ;
  -tabsSouth2[8].dp
]
 might be structurally or numerically singular for variable valSouth2[2].port_a.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse422 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0
2 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
[
  -1.0 , -1.0 ;
  1.0 , 1.0
]
  *
[
  tabsSouth1[1].m_flow ;
  tabsSouth1[2].m_flow
]
  =
[
  tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ;
  tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ;
  tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.09027/12.7, allocations: 47.4 MB / 3.87 GB, free: 225.2 MB / 2.014 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2942/12.99, allocations: 117.9 MB / 3.985 GB, free: 107.9 MB / 2.014 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.02197/13.02, allocations: 7.23 MB / 3.992 GB, free: 100.7 MB / 2.014 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0103/13.03, allocations: 188 kB / 3.993 GB, free: 100.5 MB / 2.014 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.115/13.14, allocations: 5.324 MB / 3.998 GB, free: 95.15 MB / 2.014 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00618/13.15, allocations: 1.142 MB / 3.999 GB, free: 94 MB / 2.014 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004837/13.15, allocations: 0.8728 MB / 4 GB, free: 93.13 MB / 2.014 GB
Notification: Performance of sorting global known variables: time 0.02134/13.17, allocations: 11.1 MB / 4.011 GB, free: 82.09 MB / 2.014 GB
Notification: Performance of sort global known variables: time 2e-07/13.17, allocations: 4 kB / 4.011 GB, free: 82.09 MB / 2.014 GB
Notification: Performance of remove unused functions: time 0.935/14.11, allocations: 79.87 MB / 4.089 GB, free: 0.8319 GB / 2.014 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($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 0.009557/14.12, allocations: 1.675 MB / 4.09 GB, free: 0.8318 GB / 2.014 GB
Notification: Performance of simCode: created initialization part: time 0.1995/14.32, allocations: 91.58 MB / 4.18 GB, free: 0.8144 GB / 2.014 GB
Notification: Performance of simCode: created event and clocks part: time 1.167e-05/14.32, allocations: 0 / 4.18 GB, free: 0.8144 GB / 2.014 GB
Notification: Performance of simCode: created simulation system equations: time 0.08123/14.4, allocations: 31.76 MB / 4.211 GB, free: 0.801 GB / 2.014 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0838/14.48, allocations: 8.621 MB / 4.219 GB, free: 0.7949 GB / 2.014 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1026/14.59, allocations: 58.88 MB / 4.277 GB, free: 0.7451 GB / 2.014 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.02049/14.61, allocations: 10.6 MB / 4.287 GB, free: 0.7366 GB / 2.014 GB
Notification: Performance of simCode: alias equations: time 0.03416/14.64, allocations: 7.6 MB / 4.294 GB, free: 0.7292 GB / 2.014 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01533/14.66, allocations: 2.604 MB / 4.297 GB, free: 0.7267 GB / 2.014 GB
Notification: Performance of SimCode: time 1.232e-06/14.66, allocations: 4 kB / 4.297 GB, free: 0.7267 GB / 2.014 GB
Notification: Performance of Templates: time 1.685/16.34, allocations: 0.7556 GB / 5.053 GB, free: 0.8157 GB / 2.014 GB
"
[Timeout remaining time 284]
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=800 -s ida -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe 2>&1) [Timeout 800]
[Calling os._exit(0), Time elapsed: 43.39519106899388]
Failed to read output from testmodel.py, exit status != 0:
16.351887463009916 16.362686359 12.966327384
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7fba4338afe0>