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 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false)
Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: translateModel(Buildings.Fluid.Examples.FlowSystem.Basic,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,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=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001621/0.001621, allocations: 106.5 kB / 15.99 MB, free: 6.352 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00157/0.00157, allocations: 193 kB / 16.91 MB, free: 6.184 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.411/1.411, allocations: 222.9 MB / 240.6 MB, free: 15.43 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.756/2.756, allocations: 482.4 MB / 0.755 GB, free: 7.188 MB / 0.6231 GB
Notification: Performance of FrontEnd - loaded program: time 0.001903/0.001903, allocations: 64.3 kB / 0.924 GB, free: 396 kB / 0.6856 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.7537/0.7556, allocations: 162.2 MB / 1.082 GB, free: 1.648 MB / 0.8262 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 0.3891/1.145, allocations: 354.3 MB / 1.428 GB, free: 11.79 MB / 1.154 GB
Notification: Performance of NFInst.instExpressions: time 0.119/1.264, allocations: 75.16 MB / 1.502 GB, free: 452 kB / 1.217 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01728/1.281, allocations: 405.4 kB / 1.502 GB, free: 44 kB / 1.217 GB
Notification: Performance of NFTyping.typeComponents: time 0.04583/1.327, allocations: 23.73 MB / 1.525 GB, free: 8.262 MB / 1.248 GB
Notification: Performance of NFTyping.typeBindings: time 0.755/2.082, allocations: 12.9 MB / 1.538 GB, free: 86.19 MB / 1.248 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02483/2.107, allocations: 9.253 MB / 1.547 GB, free: 86.14 MB / 1.248 GB
[/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1089:9-1089:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 8.790436005620001e-06, 0.00277777777778, 0.00556874120956, 0.00776635021097, 0.009788150492260001, 0.0113484528833, 0.0127329465541, 0.013985583685, 0.0154360056259, 0.0185205068313837}[pressure.n] * 0.0‘
[/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1089:9-1089:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.00381944444444, 0.00770833333333, 0.0111111111111, 0.014375, 0.0171527777778, 0.0197916666667, 0.0220138888889, 0.0285371863798742}[pressure.n] * 0.0‘
Notification: Performance of NFFlatten.flatten: time 0.07502/2.182, allocations: 56.11 MB / 1.602 GB, free: 85.77 MB / 1.248 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.03017/2.212, allocations: 19.51 MB / 1.621 GB, free: 83.51 MB / 1.248 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0415/2.254, allocations: 17.17 MB / 1.638 GB, free: 82.56 MB / 1.248 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03128/2.285, allocations: 15.99 MB / 1.653 GB, free: 80.27 MB / 1.248 GB
Notification: Performance of NFPackage.collectConstants: time 0.01007/2.295, allocations: 1.879 MB / 1.655 GB, free: 80.27 MB / 1.248 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02351/2.319, allocations: 5.987 MB / 1.661 GB, free: 76.7 MB / 1.248 GB
Notification: Performance of NFScalarize.scalarize: time 0.01146/2.33, allocations: 6.168 MB / 1.667 GB, free: 73.02 MB / 1.248 GB
Notification: Performance of NFVerifyModel.verify: time 0.02462/2.355, allocations: 10.79 MB / 1.678 GB, free: 66 MB / 1.248 GB
Notification: Performance of NFConvertDAE.convert: time 0.02839/2.383, allocations: 23.34 MB / 1.7 GB, free: 48.26 MB / 1.248 GB
Notification: Performance of FrontEnd - DAE generated: time 8.466e-06/2.383, allocations: 0 / 1.7 GB, free: 48.26 MB / 1.248 GB
Notification: Performance of FrontEnd: time 2.074e-06/2.383, allocations: 3.094 kB / 1.7 GB, free: 48.26 MB / 1.248 GB
Notification: Performance of Transformations before backend: time 0.001027/2.384, allocations: 0 / 1.7 GB, free: 48.26 MB / 1.248 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 0.05939/2.444, allocations: 22.61 MB / 1.722 GB, free: 28.39 MB / 1.248 GB
Notification: Performance of prepare preOptimizeDAE: time 4.097e-05/2.444, allocations: 12.03 kB / 1.722 GB, free: 28.38 MB / 1.248 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01768/2.461, allocations: 3.093 MB / 1.725 GB, free: 25.27 MB / 1.248 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04048/2.502, allocations: 19.27 MB / 1.744 GB, free: 8.496 MB / 1.248 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007702/2.503, allocations: 0.681 MB / 1.745 GB, free: 7.816 MB / 1.248 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004897/2.508, allocations: 0.8934 MB / 1.746 GB, free: 6.926 MB / 1.248 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0452/2.553, allocations: 17.14 MB / 1.763 GB, free: 5.602 MB / 1.264 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002851/2.553, allocations: 17.62 kB / 1.763 GB, free: 5.59 MB / 1.264 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004357/2.558, allocations: 319.1 kB / 1.763 GB, free: 5.281 MB / 1.264 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002452/2.558, allocations: 203.7 kB / 1.763 GB, free: 5.086 MB / 1.264 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04736/2.605, allocations: 21.2 MB / 1.784 GB, free: 15.91 MB / 1.295 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 0.1605/2.766, allocations: 80.95 MB / 1.863 GB, free: 13.05 MB / 1.373 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0299/2.796, allocations: 14.21 MB / 1.877 GB, free: 14.84 MB / 1.389 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.02049/2.816, allocations: 10.53 MB / 1.887 GB, free: 4.285 MB / 1.389 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 0.08644/2.903, allocations: 35.18 MB / 1.921 GB, free: 0.8516 MB / 1.42 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02437/2.927, allocations: 10.71 MB / 1.932 GB, free: 6.062 MB / 1.436 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02817/2.955, allocations: 7.553 MB / 1.939 GB, free: 14.69 MB / 1.451 GB
Notification: Performance of pre-optimization done (n=552): time 3.817e-05/2.955, allocations: 2.906 kB / 1.939 GB, free: 14.69 MB / 1.451 GB
Notification: Performance of matching and sorting (n=836): time 1.527/4.482, allocations: 246.4 MB / 2.18 GB, free: 0.6524 GB / 1.592 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 0.111/4.593, allocations: 52.7 MB / 2.231 GB, free: 0.6184 GB / 1.592 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02835/4.621, allocations: 16.27 MB / 2.247 GB, free: 0.6028 GB / 1.592 GB
Notification: Performance of collectPreVariables (initialization): time 0.004734/4.626, allocations: 226.3 kB / 2.247 GB, free: 0.6026 GB / 1.592 GB
Notification: Performance of collectInitialEqns (initialization): time 0.008502/4.635, allocations: 7.437 MB / 2.255 GB, free: 0.5966 GB / 1.592 GB
Notification: Performance of collectInitialBindings (initialization): time 0.01115/4.646, allocations: 3.002 MB / 2.258 GB, free: 0.5948 GB / 1.592 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0169/4.663, allocations: 4.392 MB / 2.262 GB, free: 0.5905 GB / 1.592 GB
Notification: Performance of setup shared object (initialization): time 4.756e-05/4.663, allocations: 305.1 kB / 2.262 GB, free: 0.5902 GB / 1.592 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0337/4.697, allocations: 25.08 MB / 2.287 GB, free: 0.5657 GB / 1.592 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03692/4.734, allocations: 27.93 MB / 2.314 GB, free: 0.5374 GB / 1.592 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.06665/4.8, allocations: 46.01 MB / 2.359 GB, free: 0.4918 GB / 1.592 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.448e-05/4.8, allocations: 16 kB / 2.359 GB, free: 0.4918 GB / 1.592 GB
Notification: Performance of matching and sorting (n=1552) (initialization): time 0.5779/5.378, allocations: 146.2 MB / 2.502 GB, free: 357.3 MB / 1.592 GB
Notification: Performance of prepare postOptimizeDAE: time 8.293e-05/5.378, allocations: 53.7 kB / 2.502 GB, free: 357.2 MB / 1.592 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.559e-05/5.379, allocations: 44 kB / 2.502 GB, free: 357.2 MB / 1.592 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.551/5.93, allocations: 125.2 MB / 2.624 GB, free: 232 MB / 1.592 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01683/5.946, allocations: 3.23 MB / 2.627 GB, free: 228.8 MB / 1.592 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1479/6.094, allocations: 86.94 MB / 2.712 GB, free: 141.4 MB / 1.592 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1701/6.265, allocations: 11.13 MB / 2.723 GB, free: 130.3 MB / 1.592 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006915/6.272, allocations: 1.66 MB / 2.725 GB, free: 128.6 MB / 1.592 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04372/6.315, allocations: 28.09 MB / 2.752 GB, free: 100.5 MB / 1.592 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03592/6.351, allocations: 27.3 MB / 2.779 GB, free: 72.15 MB / 1.592 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06237/6.414, allocations: 44.76 MB / 2.822 GB, free: 26.67 MB / 1.592 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.949e-05/6.414, allocations: 12 kB / 2.822 GB, free: 26.66 MB / 1.592 GB
Notification: Performance of matching and sorting (n=1552) (initialization_lambda0): time 1.134/7.547, allocations: 144 MB / 2.963 GB, free: 0.6201 GB / 1.592 GB
Notification: Performance of prepare postOptimizeDAE: time 6.218e-05/7.548, allocations: 53.69 kB / 2.963 GB, free: 0.62 GB / 1.592 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.872e-05/7.548, allocations: 44 kB / 2.963 GB, free: 0.62 GB / 1.592 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5488/8.096, allocations: 124.1 MB / 3.084 GB, free: 0.4992 GB / 1.592 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0157/8.112, allocations: 3.201 MB / 3.087 GB, free: 0.496 GB / 1.592 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1577/8.27, allocations: 93.94 MB / 3.179 GB, free: 414.2 MB / 1.592 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1701/8.44, allocations: 11.2 MB / 3.19 GB, free: 403.1 MB / 1.592 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00776/8.448, allocations: 1.617 MB / 3.192 GB, free: 401.4 MB / 1.592 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 (968):
 * Single equations (assignments): 946
 * 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 0.0105/8.458, allocations: 0.7304 MB / 3.192 GB, free: 400.7 MB / 1.592 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0098/8.468, allocations: 1.529 MB / 3.194 GB, free: 400 MB / 1.592 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2133/8.682, allocations: 70.35 MB / 3.263 GB, free: 329.9 MB / 1.592 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2228/8.904, allocations: 82.39 MB / 3.343 GB, free: 247.4 MB / 1.592 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001634/8.905, allocations: 28 kB / 3.343 GB, free: 247.4 MB / 1.592 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.214/9.119, allocations: 81.29 MB / 3.422 GB, free: 166 MB / 1.592 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 1.034/10.15, allocations: 209 MB / 3.627 GB, free: 0.627 GB / 1.592 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.398e-05/10.15, allocations: 6.5 kB / 3.627 GB, free: 0.627 GB / 1.592 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01245/10.17, allocations: 2.31 MB / 3.629 GB, free: 0.627 GB / 1.592 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.5202/10.69, allocations: 142.3 MB / 3.768 GB, free: 0.5346 GB / 1.592 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.005297/10.69, allocations: 0.783 MB / 3.768 GB, free: 0.5338 GB / 1.592 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1178/10.81, allocations: 71.73 MB / 3.839 GB, free: 474.9 MB / 1.592 GB
Warning: The linear system: 
1 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
2 : tabsSouth2[1].dp = valSouth2[1].port_b.p - tabsSouth1[1].port_b.p
3 : valSouth2[1].dp = valSouth2[2].port_a.p - valSouth2[1].port_b.p
4 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[8].port_b.p ;
  valSouth2[2].port_a.p ;
  valSouth2[1].port_b.p ;
  tabsSouth1[1].port_b.p
]
  =
[
  -tabsSouth2[8].dp ;
  -tabsSouth2[1].dp ;
  -valSouth2[1].dp ;
  -valSouth2[8].dp
]
 might be structurally or numerically singular for variable tabsSouth1[1].port_b.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : 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) - $cse423 - 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 + $cse423 + (-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[1].dp = valSouth2[2].port_a.p - valSouth2[1].port_b.p
2 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
3 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
4 : tabsSouth2[1].dp = valSouth2[1].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[1].port_b.p ;
  tabsSouth1[1].port_b.p ;
  valSouth2[8].port_b.p ;
  valSouth2[2].port_a.p
]
  =
[
  -valSouth2[1].dp ;
  -valSouth2[8].dp ;
  -tabsSouth2[8].dp ;
  -tabsSouth2[1].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) - $cse423 - 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 + $cse423 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.1.port_b.p.$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 ;
  valSouth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.8.port_b.p.$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 - $cse423.$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 + $cse423.$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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.1.port_b.p.$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 ;
  valSouth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.8.port_b.p.$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 - $cse423.$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 + $cse423.$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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.086/10.89, allocations: 49.76 MB / 3.887 GB, free: 424.2 MB / 1.592 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2641/11.16, allocations: 119.4 MB / 4.004 GB, free: 305.7 MB / 1.592 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01953/11.18, allocations: 7.048 MB / 4.011 GB, free: 299.1 MB / 1.592 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.009763/11.19, allocations: 184 kB / 4.011 GB, free: 298.9 MB / 1.592 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.09488/11.28, allocations: 5.76 MB / 4.016 GB, free: 293.2 MB / 1.592 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.007288/11.29, allocations: 1.115 MB / 4.017 GB, free: 292 MB / 1.592 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004841/11.3, allocations: 0.8767 MB / 4.018 GB, free: 291.1 MB / 1.592 GB
Notification: Performance of sorting global known variables: time 0.02427/11.32, allocations: 11.06 MB / 4.029 GB, free: 280.2 MB / 1.592 GB
Notification: Performance of sort global known variables: time 1.052e-06/11.32, allocations: 0 / 4.029 GB, free: 280.2 MB / 1.592 GB
Notification: Performance of remove unused functions: time 0.1663/11.49, allocations: 80.5 MB / 4.108 GB, free: 199.8 MB / 1.592 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($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 (546):
 * Single equations (assignments): 523
 * 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 0.007192/11.49, allocations: 1.817 MB / 4.11 GB, free: 198.1 MB / 1.592 GB
Notification: Performance of simCode: created initialization part: time 0.2158/11.71, allocations: 113.5 MB / 4.22 GB, free: 84.5 MB / 1.592 GB
Notification: Performance of simCode: created event and clocks part: time 1.36e-05/11.71, allocations: 0.5 kB / 4.22 GB, free: 84.5 MB / 1.592 GB
Notification: Performance of simCode: created simulation system equations: time 0.07155/11.78, allocations: 35.13 MB / 4.255 GB, free: 49.32 MB / 1.592 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.08202/11.86, allocations: 8.249 MB / 4.263 GB, free: 41.33 MB / 1.592 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.156/13.02, allocations: 64.7 MB / 4.326 GB, free: 0.6185 GB / 1.592 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.02657/13.05, allocations: 10.54 MB / 4.336 GB, free: 0.6174 GB / 1.592 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01707/13.06, allocations: 2.637 MB / 4.339 GB, free: 0.6174 GB / 1.592 GB
Notification: Performance of SimCode: time 1.623e-06/13.06, allocations: 0 / 4.339 GB, free: 0.6174 GB / 1.592 GB
Notification: Performance of Templates: time 3.224/16.29, allocations: 1.68 GB / 6.019 GB, free: 379.5 MB / 1.592 GB
make -j1 -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.makefile
(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=400  -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe 2>&1)