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 0.001622/0.001622, allocations: 103.6 kB / 18.95 MB, free: 2.66 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 0.001926/0.001926, allocations: 216.6 kB / 22.24 MB, free: 5.258 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 1.422/1.422, allocations: 230.6 MB / 256 MB, free: 7.801 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.013/3.013, allocations: 0.49 GB / 0.7951 GB, free: 35.47 MB / 0.6231 GB
"
[Timeout remaining time 177]
Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="Buildings_12_Buildings_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="Buildings_12_Buildings_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.001987/0.001987, allocations: 66.7 kB / 1.154 GB, free: 25.31 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3055/0.3075, allocations: 176.1 MB / 1.326 GB, free: 1.371 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 1.04/1.348, allocations: 328.9 MB / 1.647 GB, free: 58.61 MB / 1.295 GB
Notification: Performance of NFInst.instExpressions: time 0.09039/1.438, allocations: 70.67 MB / 1.716 GB, free: 55.72 MB / 1.295 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01452/1.452, allocations: 0.5977 MB / 1.717 GB, free: 55.72 MB / 1.295 GB
Notification: Performance of NFTyping.typeComponents: time 0.01621/1.469, allocations: 6.381 MB / 1.723 GB, free: 54.48 MB / 1.295 GB
Notification: Performance of NFTyping.typeBindings: time 0.03752/1.506, allocations: 14.99 MB / 1.738 GB, free: 49.23 MB / 1.295 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02246/1.529, allocations: 10.5 MB / 1.748 GB, free: 43.96 MB / 1.295 GB
Notification: Performance of NFFlatten.flatten: time 0.05966/1.588, allocations: 56.53 MB / 1.803 GB, free: 7.484 MB / 1.295 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02687/1.615, allocations: 15.55 MB / 1.818 GB, free: 8.555 MB / 1.311 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0414/1.657, allocations: 18.49 MB / 1.836 GB, free: 7.027 MB / 1.326 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03103/1.688, allocations: 16.24 MB / 1.852 GB, free: 7.852 MB / 1.342 GB
Notification: Performance of NFPackage.collectConstants: time 0.008273/1.696, allocations: 1.785 MB / 1.854 GB, free: 6.066 MB / 1.342 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02151/1.717, allocations: 5.224 MB / 1.859 GB, free: 1.055 MB / 1.342 GB
Notification: Performance of NFScalarize.scalarize: time 0.01175/1.729, allocations: 6.177 MB / 1.865 GB, free: 11.11 MB / 1.358 GB
Notification: Performance of NFVerifyModel.verify: time 0.02086/1.75, allocations: 8.841 MB / 1.874 GB, free: 2.48 MB / 1.358 GB
Notification: Performance of NFConvertDAE.convert: time 0.04923/1.799, allocations: 29.93 MB / 1.903 GB, free: 5.695 MB / 1.389 GB
Notification: Performance of FrontEnd - DAE generated: time 6.362e-06/1.799, allocations: 0 / 1.903 GB, free: 5.695 MB / 1.389 GB
Notification: Performance of FrontEnd: time 2.064e-06/1.799, allocations: 0 / 1.903 GB, free: 5.695 MB / 1.389 GB
Notification: Performance of Transformations before backend: time 0.0008391/1.8, allocations: 4 kB / 1.903 GB, free: 5.691 MB / 1.389 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 0.05647/1.857, allocations: 20.86 MB / 1.923 GB, free: 0.8984 MB / 1.404 GB
Notification: Performance of prepare preOptimizeDAE: time 4.726e-05/1.857, allocations: 19.97 kB / 1.923 GB, free: 0.8789 MB / 1.404 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004252/1.861, allocations: 1 MB / 1.924 GB, free: 15.88 MB / 1.42 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01664/1.877, allocations: 3.22 MB / 1.927 GB, free: 12.64 MB / 1.42 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04782/1.925, allocations: 21.51 MB / 1.948 GB, free: 7.41 MB / 1.436 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007507/1.926, allocations: 0.6476 MB / 1.949 GB, free: 6.762 MB / 1.436 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004582/1.931, allocations: 0.8969 MB / 1.95 GB, free: 5.867 MB / 1.436 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03859/1.969, allocations: 18.24 MB / 1.968 GB, free: 3.18 MB / 1.451 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002165/1.969, allocations: 15.89 kB / 1.968 GB, free: 3.164 MB / 1.451 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002237/1.972, allocations: 318.6 kB / 1.968 GB, free: 2.855 MB / 1.451 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002118/1.972, allocations: 211.9 kB / 1.968 GB, free: 2.648 MB / 1.451 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04304/2.015, allocations: 21.5 MB / 1.989 GB, free: 13.13 MB / 1.483 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 0.1392/2.154, allocations: 62.25 MB / 2.05 GB, free: 15.29 MB / 1.545 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02547/2.18, allocations: 12.79 MB / 2.062 GB, free: 2.523 MB / 1.545 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01746/2.197, allocations: 9.371 MB / 2.072 GB, free: 9.117 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 0.0738/2.271, allocations: 29.81 MB / 2.101 GB, free: 11.37 MB / 1.592 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02431/2.295, allocations: 11.78 MB / 2.112 GB, free: 15.28 MB / 1.608 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.03089/2.326, allocations: 8.239 MB / 2.12 GB, free: 7.211 MB / 1.608 GB
Notification: Performance of pre-optimization done (n=548): time 3.611e-05/2.326, allocations: 0 / 2.12 GB, free: 7.211 MB / 1.608 GB
Notification: Performance of matching and sorting (n=832): time 2.14/4.466, allocations: 248.7 MB / 2.363 GB, free: 0.6153 GB / 1.748 GB
Warning: The linear system: 
1 : valCoo.m_flow + spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsSouth1[2].m_flow) - tabsSouth1[1].m_flow - tabsSouth1[3].m_flow - tabsSouth1[4].m_flow - tabsSouth2[1].m_flow - tabsSouth2[2].m_flow - tabsSouth2[3].m_flow - tabsSouth2[4].m_flow - tabsSouth2[5].m_flow - tabsSouth2[6].m_flow - tabsSouth2[7].m_flow - tabsSouth2[8].m_flow - tabsNorth1[1].m_flow - tabsNorth1[2].m_flow - tabsNorth1[3].m_flow - tabsNorth1[4].m_flow - tabsNorth2[1].m_flow - tabsNorth2[2].m_flow - tabsNorth2[3].m_flow - tabsNorth2[4].m_flow - tabsNorth2[5].m_flow - tabsNorth2[6].m_flow - tabsNorth2[8].m_flow - tabsNorth2[7].m_flow = 0.0
2 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
[
  -1.0 , -1.0 ;
  1.0 , 1.0
]
  *
[
  tabsSouth1[1].m_flow ;
  tabsSouth1[2].m_flow
]
  =
[
  tabsSouth1[3].m_flow + tabsNorth2[8].m_flow + tabsNorth2[7].m_flow + tabsNorth2[6].m_flow + tabsNorth2[5].m_flow + tabsNorth2[4].m_flow + tabsNorth2[3].m_flow + tabsNorth2[2].m_flow + tabsNorth2[1].m_flow + tabsNorth1[4].m_flow + tabsNorth1[3].m_flow + tabsNorth1[2].m_flow + tabsNorth1[1].m_flow + tabsSouth2[8].m_flow + tabsSouth2[7].m_flow + tabsSouth2[6].m_flow + tabsSouth2[5].m_flow + tabsSouth2[4].m_flow + tabsSouth2[3].m_flow + tabsSouth2[2].m_flow + tabsSouth2[1].m_flow + tabsSouth1[4].m_flow + (-spl1.res1.m_flow) - valCoo.m_flow - valNorth.res3.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
2 : valCoo.m_flow + spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsSouth1[2].m_flow) - tabsSouth1[1].m_flow - tabsSouth1[3].m_flow - tabsSouth1[4].m_flow - tabsSouth2[1].m_flow - tabsSouth2[2].m_flow - tabsSouth2[3].m_flow - tabsSouth2[4].m_flow - tabsSouth2[5].m_flow - tabsSouth2[6].m_flow - tabsSouth2[7].m_flow - tabsSouth2[8].m_flow - tabsNorth1[1].m_flow - tabsNorth1[2].m_flow - tabsNorth1[3].m_flow - tabsNorth1[4].m_flow - tabsNorth2[1].m_flow - tabsNorth2[2].m_flow - tabsNorth2[3].m_flow - tabsNorth2[4].m_flow - tabsNorth2[5].m_flow - tabsNorth2[6].m_flow - tabsNorth2[8].m_flow - tabsNorth2[7].m_flow = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1[2].m_flow ;
  tabsSouth1[1].m_flow
]
  =
[
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ;
  tabsSouth1[3].m_flow + tabsNorth2[8].m_flow + tabsNorth2[7].m_flow + tabsNorth2[6].m_flow + tabsNorth2[5].m_flow + tabsNorth2[4].m_flow + tabsNorth2[3].m_flow + tabsNorth2[2].m_flow + tabsNorth2[1].m_flow + tabsNorth1[4].m_flow + tabsNorth1[3].m_flow + tabsNorth1[2].m_flow + tabsNorth1[1].m_flow + tabsSouth2[8].m_flow + tabsSouth2[7].m_flow + tabsSouth2[6].m_flow + tabsSouth2[5].m_flow + tabsSouth2[4].m_flow + tabsSouth2[3].m_flow + tabsSouth2[2].m_flow + tabsSouth2[1].m_flow + tabsSouth1[4].m_flow + (-spl1.res1.m_flow) - valCoo.m_flow - valNorth.res3.m_flow - valSouth.res3.m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valCoo.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + spl1.res1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + valNorth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + valSouth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsNorth2[8].m_flow.SeedStateSetJac0) - tabsNorth2[7].m_flow.SeedStateSetJac0 - tabsNorth2[6].m_flow.SeedStateSetJac0 - tabsNorth2[5].m_flow.SeedStateSetJac0 - tabsNorth2[4].m_flow.SeedStateSetJac0 - tabsNorth2[3].m_flow.SeedStateSetJac0 - tabsNorth2[2].m_flow.SeedStateSetJac0 - tabsNorth2[1].m_flow.SeedStateSetJac0 - tabsNorth1[4].m_flow.SeedStateSetJac0 - tabsNorth1[3].m_flow.SeedStateSetJac0 - tabsNorth1[2].m_flow.SeedStateSetJac0 - tabsNorth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth2[8].m_flow.SeedStateSetJac0 - tabsSouth2[7].m_flow.SeedStateSetJac0 - tabsSouth2[6].m_flow.SeedStateSetJac0 - tabsSouth2[5].m_flow.SeedStateSetJac0 - tabsSouth2[4].m_flow.SeedStateSetJac0 - tabsSouth2[3].m_flow.SeedStateSetJac0 - tabsSouth2[2].m_flow.SeedStateSetJac0 - tabsSouth2[1].m_flow.SeedStateSetJac0 - tabsSouth1[4].m_flow.SeedStateSetJac0 - tabsSouth1[3].m_flow.SeedStateSetJac0 - tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0
2 : tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0
[
  -1.0 , -1.0 ;
  1.0 , 1.0
]
  *
[
  tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0
]
  =
[
  tabsNorth2[8].m_flow.SeedStateSetJac0 + tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth2[1].m_flow.SeedStateSetJac0 + tabsSouth2[2].m_flow.SeedStateSetJac0 + tabsSouth2[3].m_flow.SeedStateSetJac0 + tabsSouth2[4].m_flow.SeedStateSetJac0 + tabsSouth2[5].m_flow.SeedStateSetJac0 + tabsSouth2[6].m_flow.SeedStateSetJac0 + tabsSouth2[7].m_flow.SeedStateSetJac0 + tabsSouth2[8].m_flow.SeedStateSetJac0 + tabsNorth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsNorth1[2].m_flow.SeedStateSetJac0 + tabsNorth1[3].m_flow.SeedStateSetJac0 + tabsNorth1[4].m_flow.SeedStateSetJac0 + tabsNorth2[1].m_flow.SeedStateSetJac0 + tabsNorth2[2].m_flow.SeedStateSetJac0 + tabsNorth2[3].m_flow.SeedStateSetJac0 + tabsNorth2[4].m_flow.SeedStateSetJac0 + tabsNorth2[5].m_flow.SeedStateSetJac0 + tabsNorth2[6].m_flow.SeedStateSetJac0 + tabsNorth2[7].m_flow.SeedStateSetJac0 + (-spl1.res1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0) - valCoo.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - valSouth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0
]
 might be structurally or numerically singular for variable tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1017/4.568, allocations: 50.98 MB / 2.413 GB, free: 0.5651 GB / 1.748 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02697/4.595, allocations: 19.45 MB / 2.432 GB, free: 0.5465 GB / 1.748 GB
Notification: Performance of collectPreVariables (initialization): time 0.004047/4.599, allocations: 225.9 kB / 2.432 GB, free: 0.5462 GB / 1.748 GB
Notification: Performance of collectInitialEqns (initialization): time 0.007084/4.606, allocations: 7.508 MB / 2.44 GB, free: 0.5403 GB / 1.748 GB
Notification: Performance of collectInitialBindings (initialization): time 0.009646/4.615, allocations: 3.128 MB / 2.443 GB, free: 0.5388 GB / 1.748 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01237/4.628, allocations: 4.376 MB / 2.447 GB, free: 0.5345 GB / 1.748 GB
Notification: Performance of setup shared object (initialization): time 3.459e-05/4.628, allocations: 301.1 kB / 2.447 GB, free: 0.5342 GB / 1.748 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.03119/4.659, allocations: 25.12 MB / 2.472 GB, free: 0.5096 GB / 1.748 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03417/4.693, allocations: 30.99 MB / 2.502 GB, free: 489.1 MB / 1.748 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.06057/4.754, allocations: 46.02 MB / 2.547 GB, free: 442.3 MB / 1.748 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.872e-05/4.754, allocations: 15.94 kB / 2.547 GB, free: 442.3 MB / 1.748 GB
Notification: Performance of matching and sorting (n=1548) (initialization): time 0.5622/5.316, allocations: 145.8 MB / 2.689 GB, free: 296.5 MB / 1.748 GB
Notification: Performance of prepare postOptimizeDAE: time 6.972e-05/5.316, allocations: 53.69 kB / 2.689 GB, free: 296.5 MB / 1.748 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.917e-05/5.316, allocations: 48.78 kB / 2.689 GB, free: 296.4 MB / 1.748 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5447/5.861, allocations: 125.3 MB / 2.812 GB, free: 171.5 MB / 1.748 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01612/5.877, allocations: 3.22 MB / 2.815 GB, free: 168.2 MB / 1.748 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1323/6.009, allocations: 85.98 MB / 2.899 GB, free: 81.89 MB / 1.748 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1957/6.205, allocations: 10.7 MB / 2.909 GB, free: 71.18 MB / 1.748 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005882/6.211, allocations: 1.648 MB / 2.911 GB, free: 69.52 MB / 1.748 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04053/6.251, allocations: 28.14 MB / 2.939 GB, free: 41.34 MB / 1.748 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03433/6.286, allocations: 30.35 MB / 2.968 GB, free: 9.219 MB / 1.748 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 1.295/7.581, allocations: 44.76 MB / 3.012 GB, free: 0.6267 GB / 1.748 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.632e-05/7.581, allocations: 14.88 kB / 3.012 GB, free: 0.6267 GB / 1.748 GB
Notification: Performance of matching and sorting (n=1548) (initialization_lambda0): time 0.5491/8.13, allocations: 143.7 MB / 3.152 GB, free: 0.5252 GB / 1.748 GB
Notification: Performance of prepare postOptimizeDAE: time 6.162e-05/8.13, allocations: 53.69 kB / 3.152 GB, free: 0.5252 GB / 1.748 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.768e-05/8.13, allocations: 44 kB / 3.152 GB, free: 0.5251 GB / 1.748 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5238/8.654, allocations: 124 MB / 3.273 GB, free: 414.2 MB / 1.748 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01458/8.669, allocations: 3.187 MB / 3.276 GB, free: 411 MB / 1.748 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1412/8.81, allocations: 92.5 MB / 3.367 GB, free: 318.8 MB / 1.748 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1929/9.003, allocations: 10.78 MB / 3.377 GB, free: 308 MB / 1.748 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00707/9.01, allocations: 1.609 MB / 3.379 GB, free: 306.4 MB / 1.748 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 203
 * Number of states: 0 ()
 * Number of discrete variables: 10 ($whenCondition1,stepValve.count,$PRE.stepValve.count,stepValve.T_start,$PRE.stepValve.T_start,pumpHea.stage,stepPump.pulseStart,$PRE.stepPump.pulseStart,stepPump.y,$whenCondition2)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (964):
 * Single equations (assignments): 942
 * Array equations: 6
 * Algorithm blocks: 1
 * Record equations: 4
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 8
 * Torn equation systems: 3
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 8 systems
   {1, 1, 1, 1, 1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(28,28,89.3%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 2 systems
   {(33,119), (33,119)}
Notification: Performance of prepare postOptimizeDAE: time 0.008696/9.019, allocations: 0.7175 MB / 3.38 GB, free: 305.7 MB / 1.748 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008119/9.027, allocations: 1.64 MB / 3.381 GB, free: 305 MB / 1.748 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2073/9.234, allocations: 69.75 MB / 3.449 GB, free: 235.5 MB / 1.748 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2166/9.451, allocations: 80.89 MB / 3.528 GB, free: 154.7 MB / 1.748 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001673/9.451, allocations: 32 kB / 3.528 GB, free: 154.6 MB / 1.748 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2043/9.655, allocations: 79.76 MB / 3.606 GB, free: 74.93 MB / 1.748 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 1.004/10.66, allocations: 162.5 MB / 3.765 GB, free: 0.5898 GB / 1.748 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.273e-05/10.66, allocations: 3.75 kB / 3.765 GB, free: 0.5898 GB / 1.748 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01268/10.67, allocations: 2.301 MB / 3.767 GB, free: 0.5885 GB / 1.748 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.5099/11.18, allocations: 142 MB / 3.906 GB, free: 464.7 MB / 1.748 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004673/11.19, allocations: 0.7791 MB / 3.907 GB, free: 463.9 MB / 1.748 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1211/11.31, allocations: 71.08 MB / 3.976 GB, free: 392.8 MB / 1.748 GB
Warning: The linear system: 
1 : tabsSouth2[4].dp = valSouth2[4].port_b.p - tabsSouth1[1].port_b.p
2 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
3 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
4 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth2[4].port_b.p
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[4].port_b.p ;
  valSouth2[2].port_a.p ;
  valSouth2[8].port_b.p ;
  tabsSouth1[1].port_b.p
]
  =
[
  -tabsSouth2[4].dp ;
  -tabsSouth2[8].dp ;
  -valSouth2[8].dp ;
  -valSouth2[4].dp
]
 might be structurally or numerically singular for variable tabsSouth1[1].port_b.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
2 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse422 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1[1].m_flow ;
  tabsSouth1[2].m_flow
]
  =
[
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ;
  tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
2 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth2[4].port_b.p
3 : tabsSouth2[4].dp = valSouth2[4].port_b.p - tabsSouth1[1].port_b.p
4 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[8].port_b.p ;
  tabsSouth1[1].port_b.p ;
  valSouth2[4].port_b.p ;
  valSouth2[2].port_a.p
]
  =
[
  -valSouth2[8].dp ;
  -valSouth2[4].dp ;
  -tabsSouth2[4].dp ;
  -tabsSouth2[8].dp
]
 might be structurally or numerically singular for variable valSouth2[2].port_a.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse422 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0
2 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
[
  -1.0 , -1.0 ;
  1.0 , 1.0
]
  *
[
  tabsSouth1[1].m_flow ;
  tabsSouth1[2].m_flow
]
  =
[
  tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ;
  tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ;
  tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.08298/11.39, allocations: 47.58 MB / 4.022 GB, free: 344.8 MB / 1.748 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2608/11.65, allocations: 117.9 MB / 4.138 GB, free: 227.9 MB / 1.748 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.02676/11.68, allocations: 7.372 MB / 4.145 GB, free: 221 MB / 1.748 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.008266/11.69, allocations: 188 kB / 4.145 GB, free: 220.8 MB / 1.748 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.102/11.79, allocations: 5.33 MB / 4.15 GB, free: 215.5 MB / 1.748 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005481/11.79, allocations: 1.138 MB / 4.151 GB, free: 214.3 MB / 1.748 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003702/11.8, allocations: 0.8689 MB / 4.152 GB, free: 213.4 MB / 1.748 GB
Notification: Performance of sorting global known variables: time 0.02267/11.82, allocations: 13.52 MB / 4.165 GB, free: 200 MB / 1.748 GB
Notification: Performance of sort global known variables: time 5.01e-07/11.82, allocations: 4 kB / 4.165 GB, free: 200 MB / 1.748 GB
Notification: Performance of remove unused functions: time 0.1533/11.97, allocations: 80.22 MB / 4.244 GB, free: 119.9 MB / 1.748 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($STATESET1.x[32],$STATESET1.x[31],$STATESET1.x[30],$STATESET1.x[29],$STATESET1.x[28],$STATESET1.x[27],$STATESET1.x[26],$STATESET1.x[25],$STATESET1.x[24],$STATESET1.x[23],$STATESET1.x[22],$STATESET1.x[21],$STATESET1.x[20],$STATESET1.x[19],$STATESET1.x[18],$STATESET1.x[17],$STATESET1.x[16],$STATESET1.x[15],$STATESET1.x[14],$STATESET1.x[13],$STATESET1.x[12],$STATESET1.x[11],$STATESET1.x[10],$STATESET1.x[9],$STATESET1.x[8],$STATESET1.x[7],$STATESET1.x[6],$STATESET1.x[5],$STATESET1.x[4],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpNorth.vol.dynBal.U,valSouth.vol.dynBal.U,valNorth.vol.dynBal.U,spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U)
 * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count)
 * Number of discrete states: 1 (stepValve.count)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (541):
 * Single equations (assignments): 518
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 10
 * When equations: 3
 * If-equations: 0
 * Equation systems (not torn): 6
 * Torn equation systems: 4
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 6 systems
   {1, 1, 1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(28,28,89.3%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 3 systems
   {(33,156), (1,1), (62,186)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.981/12.95, allocations: 118.7 MB / 4.36 GB, free: 0.611 GB / 1.748 GB
Notification: Performance of simCode: created initialization part: time 0.154/13.11, allocations: 93.7 MB / 4.451 GB, free: 0.5909 GB / 1.748 GB
Notification: Performance of simCode: created event and clocks part: time 1.133e-05/13.11, allocations: 6.656 kB / 4.451 GB, free: 0.5909 GB / 1.748 GB
Notification: Performance of simCode: created simulation system equations: time 0.06892/13.18, allocations: 31.76 MB / 4.482 GB, free: 0.5694 GB / 1.748 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.07266/13.25, allocations: 8.25 MB / 4.49 GB, free: 0.563 GB / 1.748 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.459/14.71, allocations: 482.8 MB / 4.962 GB, free: 93.66 MB / 1.748 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01337/14.72, allocations: 10.59 MB / 4.972 GB, free: 83.02 MB / 1.748 GB
Notification: Performance of simCode: alias equations: time 0.02698/14.75, allocations: 7.729 MB / 4.98 GB, free: 75.28 MB / 1.748 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02249/14.77, allocations: 11.63 MB / 4.991 GB, free: 63.64 MB / 1.748 GB
Notification: Performance of SimCode: time 1.463e-06/14.77, allocations: 3.938 kB / 4.991 GB, free: 63.63 MB / 1.748 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 2.479/17.25, allocations: 0.9495 GB / 5.94 GB, free: 455.8 MB / 1.748 GB
Notification: Performance of buildModelFMU: Generate platform static: time 104.7/122, allocations: 6.797 kB / 5.94 GB, free: 455.8 MB / 1.748 GB
"
[Timeout remaining time 178]
(rm -f Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic_res.csv --start-time 0 --stop-time 1000 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 Buildings_12_Buildings_Fluid_Examples_FlowSystem_Basic.fmu > Buildings_12_Buildings.Fluid.Examples.FlowSystem.Basic.pipe 2>&1) [Timeout 420.0]
[Calling os._exit(0), Time elapsed: 128.80764818601892]
Failed to read output from testmodel.py, exit status != 0:
122.4849214819842 122.49473038000001 120.693062472
Calling exit ...
<OMPython.OMCSessionZMQ object at 0x7f793fcaef20>