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 0.001474/0.001474, allocations: 81.95 kB / 19.87 MB, free: 4.617 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001475/0.001475, allocations: 173.7 kB / 23.28 MB, free: 1.219 MB / 18.57 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.9374/0.9374, allocations: 177.1 MB / 203.7 MB, free: 5.504 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 2.279/2.279, allocations: 438.1 MB / 0.682 GB, free: 14.18 MB / 0.6511 GB
"
[Timeout remaining time 177]
Using package Buildings with version 14.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: translateModel(Buildings.Fluid.Examples.FlowSystem.Basic,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic")
translateModel(Buildings.Fluid.Examples.FlowSystem.Basic,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic") [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.492e-06/1.492e-06, allocations: 0 / 0.8897 GB, free: 9.75 MB / 0.8542 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.157e-05/2.306e-05, allocations: 2.312 kB / 0.8897 GB, free: 9.746 MB / 0.8542 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 0.05317/0.05319, allocations: 75.6 MB / 0.9636 GB, free: 13.86 MB / 0.9323 GB
Notification: Performance of NFInst.instExpressions: time 0.0517/0.1049, allocations: 33.09 MB / 0.9959 GB, free: 12.73 MB / 0.9636 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01314/0.118, allocations: 0.6701 MB / 0.9965 GB, free: 12.05 MB / 0.9636 GB
Notification: Performance of NFTyping.typeComponents: time 0.01135/0.1294, allocations: 4.294 MB / 1.001 GB, free: 7.73 MB / 0.9636 GB
Notification: Performance of NFTyping.typeBindings: time 0.02222/0.1516, allocations: 10.58 MB / 1.011 GB, free: 13.1 MB / 0.9792 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02075/0.1724, allocations: 11.32 MB / 1.022 GB, free: 1.762 MB / 0.9792 GB
Notification: Performance of NFFlatten.flatten: time 0.4804/0.6528, allocations: 68.34 MB / 1.089 GB, free: 81.91 MB / 1.01 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02327/0.676, allocations: 17.12 MB / 1.106 GB, free: 80.49 MB / 1.01 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.05658/0.7326, allocations: 23.03 MB / 1.128 GB, free: 76.99 MB / 1.01 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.02771/0.7603, allocations: 15.12 MB / 1.143 GB, free: 73.2 MB / 1.01 GB
Notification: Performance of NFPackage.collectConstants: time 0.008483/0.7688, allocations: 1.806 MB / 1.145 GB, free: 73.2 MB / 1.01 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01465/0.7835, allocations: 2.754 MB / 1.147 GB, free: 73.01 MB / 1.01 GB
Notification: Performance of NFScalarize.scalarize: time 0.009705/0.7932, allocations: 6.492 MB / 1.154 GB, free: 69.71 MB / 1.01 GB
Notification: Performance of NFVerifyModel.verify: time 0.01864/0.8118, allocations: 7.751 MB / 1.161 GB, free: 66.74 MB / 1.01 GB
Notification: Performance of NFConvertDAE.convert: time 0.03167/0.8435, allocations: 19.83 MB / 1.181 GB, free: 59.58 MB / 1.01 GB
Notification: Performance of FrontEnd - DAE generated: time 6.693e-06/0.8435, allocations: 0 / 1.181 GB, free: 59.58 MB / 1.01 GB
Notification: Performance of FrontEnd: time 1.172e-06/0.8435, allocations: 0 / 1.181 GB, free: 59.58 MB / 1.01 GB
Notification: Performance of Transformations before backend: time 0.0008852/0.8444, allocations: 0 / 1.181 GB, free: 59.58 MB / 1.01 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 0.04346/0.8878, allocations: 22 MB / 1.202 GB, free: 46.15 MB / 1.01 GB
Notification: Performance of prepare preOptimizeDAE: time 4.977e-05/0.8879, allocations: 12.62 kB / 1.202 GB, free: 46.14 MB / 1.01 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01379/0.9017, allocations: 3.803 MB / 1.206 GB, free: 42.32 MB / 1.01 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.02959/0.9313, allocations: 16.96 MB / 1.222 GB, free: 25.86 MB / 1.01 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000592/0.9319, allocations: 0.7404 MB / 1.223 GB, free: 25.12 MB / 1.01 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004476/0.9363, allocations: 1.047 MB / 1.224 GB, free: 24.08 MB / 1.01 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02659/0.9629, allocations: 10.48 MB / 1.234 GB, free: 13.41 MB / 1.01 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002318/0.9632, allocations: 15.08 kB / 1.234 GB, free: 13.4 MB / 1.01 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002749/0.9659, allocations: 322.9 kB / 1.235 GB, free: 13.09 MB / 1.01 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001289/0.966, allocations: 207.5 kB / 1.235 GB, free: 12.89 MB / 1.01 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01415/0.9802, allocations: 6.259 MB / 1.241 GB, free: 6.668 MB / 1.01 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 0.09041/1.071, allocations: 53.68 MB / 1.293 GB, free: 3.504 MB / 1.057 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009085/1.08, allocations: 5.69 MB / 1.299 GB, free: 13.98 MB / 1.073 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006218/1.086, allocations: 3.927 MB / 1.303 GB, free: 10.06 MB / 1.073 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 0.05345/1.139, allocations: 21.65 MB / 1.324 GB, free: 4.562 MB / 1.089 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.009605/1.149, allocations: 5.575 MB / 1.329 GB, free: 14.77 MB / 1.104 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.01969/1.169, allocations: 8.224 MB / 1.337 GB, free: 6.754 MB / 1.104 GB
Notification: Performance of pre-optimization done (n=548): time 3.332e-05/1.169, allocations: 3.984 kB / 1.337 GB, free: 6.75 MB / 1.104 GB
Notification: Performance of matching and sorting (n=832): time 0.4418/1.611, allocations: 153.3 MB / 1.487 GB, free: 12.82 MB / 1.26 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 0.04327/1.654, allocations: 33.24 MB / 1.52 GB, free: 10.96 MB / 1.292 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.4736/2.127, allocations: 15.17 MB / 1.534 GB, free: 315.6 MB / 1.292 GB
Notification: Performance of collectPreVariables (initialization): time 0.004023/2.131, allocations: 278.6 kB / 1.535 GB, free: 315.5 MB / 1.292 GB
Notification: Performance of collectInitialEqns (initialization): time 0.007783/2.139, allocations: 9.234 MB / 1.544 GB, free: 315.2 MB / 1.292 GB
Notification: Performance of collectInitialBindings (initialization): time 0.008484/2.148, allocations: 3.184 MB / 1.547 GB, free: 314.9 MB / 1.292 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01361/2.161, allocations: 4.335 MB / 1.551 GB, free: 314.8 MB / 1.292 GB
Notification: Performance of setup shared object (initialization): time 4.599e-05/2.161, allocations: 476.8 kB / 1.551 GB, free: 314.3 MB / 1.292 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01002/2.171, allocations: 4.375 MB / 1.556 GB, free: 314.2 MB / 1.292 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01333/2.185, allocations: 14.25 MB / 1.57 GB, free: 302.1 MB / 1.292 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.02664/2.211, allocations: 16.48 MB / 1.586 GB, free: 295.2 MB / 1.292 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001682/2.212, allocations: 37.22 kB / 1.586 GB, free: 295.2 MB / 1.292 GB
Notification: Performance of matching and sorting (n=1653) (initialization): time 0.2581/2.47, allocations: 72.28 MB / 1.656 GB, free: 290.3 MB / 1.292 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001366/2.47, allocations: 87.45 kB / 1.656 GB, free: 290.3 MB / 1.292 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002049/2.47, allocations: 124.2 kB / 1.657 GB, free: 290.3 MB / 1.292 GB
Notification: Tearing is skipped for linear strong component 6: solving it torn to 33 iteration variables is estimated at 75436 flops against 19186 for the untorn system of size 152.
Notification: Performance of postOpt tearingSystem (initialization): time 0.3348/2.805, allocations: 150.6 MB / 1.804 GB, free: 172.4 MB / 1.292 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01106/2.816, allocations: 3.47 MB / 1.807 GB, free: 169.1 MB / 1.292 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05426/2.87, allocations: 33.6 MB / 1.84 GB, free: 135.4 MB / 1.292 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.04284/2.913, allocations: 4.893 MB / 1.845 GB, free: 130.5 MB / 1.292 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005594/2.918, allocations: 1.706 MB / 1.846 GB, free: 128.8 MB / 1.292 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01573/2.934, allocations: 4.58 MB / 1.851 GB, free: 124.2 MB / 1.292 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.01249/2.947, allocations: 14.14 MB / 1.864 GB, free: 106.8 MB / 1.292 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.02343/2.97, allocations: 16.76 MB / 1.881 GB, free: 88.36 MB / 1.292 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 0.0001236/2.97, allocations: 36 kB / 1.881 GB, free: 88.32 MB / 1.292 GB
Notification: Performance of matching and sorting (n=1653) (initialization_lambda0): time 0.242/3.212, allocations: 71.07 MB / 1.95 GB, free: 18.33 MB / 1.292 GB
Notification: Performance of prepare postOptimizeDAE: time 9.901e-05/3.212, allocations: 89.7 kB / 1.95 GB, free: 18.23 MB / 1.292 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001979/3.213, allocations: 128 kB / 1.95 GB, free: 18.11 MB / 1.292 GB
Notification: Tearing is skipped for linear strong component 7: solving it torn to 24 iteration variables is estimated at 51168 flops against 19186 for the untorn system of size 152.
Notification: Tearing is skipped for linear strong component 9: solving it torn to 33 iteration variables is estimated at 75436 flops against 19186 for the untorn system of size 152.
Notification: Performance of postOpt tearingSystem (initialization): time 0.8127/4.025, allocations: 148.7 MB / 2.096 GB, free: 337.2 MB / 1.354 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01025/4.036, allocations: 3.428 MB / 2.099 GB, free: 336.9 MB / 1.354 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05256/4.088, allocations: 24.5 MB / 2.123 GB, free: 333.7 MB / 1.354 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.04173/4.13, allocations: 4.939 MB / 2.128 GB, free: 330.4 MB / 1.354 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006054/4.136, allocations: 1.665 MB / 2.129 GB, free: 330.4 MB / 1.354 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 568
 * Number of states: 0 ()
 * Number of discrete variables: 10 ($whenCondition1,stepValve.count,$PRE.stepValve.count,stepValve.T_start,$PRE.stepValve.T_start,pumpHea.stage,stepPump.pulseStart,$PRE.stepPump.pulseStart,stepPump.y,$whenCondition2)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (1197):
 * Single equations (assignments): 1179
 * Array equations: 6
 * Algorithm blocks: 1
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 9
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 1 system
   {(152,1.8%)}
 * 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): 1 system
   {(33,119)}
Notification: Performance of prepare postOptimizeDAE: time 0.008019/4.144, allocations: 1.023 MB / 2.13 GB, free: 330.1 MB / 1.354 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008206/4.152, allocations: 2.015 MB / 2.132 GB, free: 330.1 MB / 1.354 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.09925/4.251, allocations: 40.76 MB / 2.172 GB, free: 327.2 MB / 1.354 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.1/4.351, allocations: 42.29 MB / 2.214 GB, free: 291.8 MB / 1.354 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001723/4.352, allocations: 56 kB / 2.214 GB, free: 291.7 MB / 1.354 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0978/4.449, allocations: 41.37 MB / 2.254 GB, free: 252 MB / 1.354 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.1713/4.621, allocations: 83.47 MB / 2.336 GB, free: 175.9 MB / 1.354 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001442/4.621, allocations: 4 kB / 2.336 GB, free: 175.9 MB / 1.354 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.008641/4.629, allocations: 2.094 MB / 2.338 GB, free: 173.9 MB / 1.354 GB
Notification: Tearing is skipped for linear strong component 13: solving it torn to 33 iteration variables is estimated at 88428 flops against 24582 for the untorn system of size 189.
Notification: Performance of postOpt tearingSystem (simulation): time 0.3279/4.957, allocations: 165.3 MB / 2.499 GB, free: 9.07 MB / 1.354 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003619/4.961, allocations: 0.783 MB / 2.5 GB, free: 8.285 MB / 1.354 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.6135/5.574, allocations: 30.06 MB / 2.529 GB, free: 365.9 MB / 1.37 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 + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac25.dummyVarStateSetJac25 = valSouth2.4.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25 - tabsSouth1.1.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25
2 : valSouth2.4.dp.$pDERStateSetJac25.dummyVarStateSetJac25 = valSouth2.2.port_a.p.$pDERStateSetJac25.dummyVarStateSetJac25 - valSouth2.4.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25
3 : valSouth2.8.dp.$pDERStateSetJac25.dummyVarStateSetJac25 = valSouth2.2.port_a.p.$pDERStateSetJac25.dummyVarStateSetJac25 - valSouth2.8.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25
4 : tabsSouth2.8.dp.$pDERStateSetJac25.dummyVarStateSetJac25 = valSouth2.8.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25 - tabsSouth1.1.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  valSouth2.8.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  valSouth2.2.port_a.p.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  valSouth2.4.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  -valSouth2.4.dp.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  -valSouth2.8.dp.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  -tabsSouth2.8.dp.$pDERStateSetJac25.dummyVarStateSetJac25
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac25 + tabsSouth1[3].m_flow.SeedStateSetJac25 + tabsSouth1.2.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + tabsSouth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 - pipSouth1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + valNorth.res3.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + valSouth.res3.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + (-tabsSouth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25) - tabsSouth1.2.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 - tabsSouth1[3].m_flow.SeedStateSetJac25 - tabsSouth1[4].m_flow.SeedStateSetJac25 - tabsSouth2[1].m_flow.SeedStateSetJac25 - tabsSouth2[2].m_flow.SeedStateSetJac25 - tabsSouth2[3].m_flow.SeedStateSetJac25 - tabsSouth2[4].m_flow.SeedStateSetJac25 - tabsSouth2[5].m_flow.SeedStateSetJac25 - tabsSouth2[6].m_flow.SeedStateSetJac25 - tabsSouth2[7].m_flow.SeedStateSetJac25 - tabsSouth2[8].m_flow.SeedStateSetJac25 - tabsNorth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 - tabsNorth1[2].m_flow.SeedStateSetJac25 - tabsNorth1[3].m_flow.SeedStateSetJac25 - tabsNorth1[4].m_flow.SeedStateSetJac25 - tabsNorth2[1].m_flow.SeedStateSetJac25 - tabsNorth2[2].m_flow.SeedStateSetJac25 - tabsNorth2[3].m_flow.SeedStateSetJac25 - tabsNorth2[4].m_flow.SeedStateSetJac25 - tabsNorth2[5].m_flow.SeedStateSetJac25 - tabsNorth2[6].m_flow.SeedStateSetJac25 - tabsNorth2[8].m_flow.SeedStateSetJac25 - $cse422.$pDERStateSetJac25.dummyVarStateSetJac25 - tabsNorth2[7].m_flow.SeedStateSetJac25 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + (-tabsSouth1[3].m_flow.SeedStateSetJac25) - tabsSouth1[4].m_flow.SeedStateSetJac25 ;
  tabsSouth1[3].m_flow.SeedStateSetJac25 + $cse422.$pDERStateSetJac25.dummyVarStateSetJac25 + tabsNorth2[7].m_flow.SeedStateSetJac25 + tabsNorth2[8].m_flow.SeedStateSetJac25 + tabsNorth2[6].m_flow.SeedStateSetJac25 + tabsNorth2[5].m_flow.SeedStateSetJac25 + tabsNorth2[4].m_flow.SeedStateSetJac25 + tabsNorth2[3].m_flow.SeedStateSetJac25 + tabsNorth2[2].m_flow.SeedStateSetJac25 + tabsNorth2[1].m_flow.SeedStateSetJac25 + tabsNorth1[4].m_flow.SeedStateSetJac25 + tabsNorth1[3].m_flow.SeedStateSetJac25 + tabsNorth1[2].m_flow.SeedStateSetJac25 + tabsNorth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + tabsSouth2[8].m_flow.SeedStateSetJac25 + tabsSouth2[7].m_flow.SeedStateSetJac25 + tabsSouth2[6].m_flow.SeedStateSetJac25 + tabsSouth2[5].m_flow.SeedStateSetJac25 + tabsSouth2[4].m_flow.SeedStateSetJac25 + tabsSouth2[3].m_flow.SeedStateSetJac25 + tabsSouth2[2].m_flow.SeedStateSetJac25 + tabsSouth2[1].m_flow.SeedStateSetJac25 + tabsSouth1[4].m_flow.SeedStateSetJac25 + (-valNorth.res3.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25) - spl1.res1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 - valSouth.res3.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac25.dummyVarStateSetJac25 = valSouth2.4.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25 - tabsSouth1.1.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25
2 : valSouth2.4.dp.$pDERStateSetJac25.dummyVarStateSetJac25 = valSouth2.2.port_a.p.$pDERStateSetJac25.dummyVarStateSetJac25 - valSouth2.4.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25
3 : valSouth2.8.dp.$pDERStateSetJac25.dummyVarStateSetJac25 = valSouth2.2.port_a.p.$pDERStateSetJac25.dummyVarStateSetJac25 - valSouth2.8.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25
4 : tabsSouth2.8.dp.$pDERStateSetJac25.dummyVarStateSetJac25 = valSouth2.8.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25 - tabsSouth1.1.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  valSouth2.8.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  valSouth2.2.port_a.p.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  valSouth2.4.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  -valSouth2.4.dp.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  -valSouth2.8.dp.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  -tabsSouth2.8.dp.$pDERStateSetJac25.dummyVarStateSetJac25
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac25.dummyVarStateSetJac25 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac25 + tabsSouth1[3].m_flow.SeedStateSetJac25 + tabsSouth1.2.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + tabsSouth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 - pipSouth1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + valNorth.res3.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + valSouth.res3.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + (-tabsSouth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25) - tabsSouth1.2.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 - tabsSouth1[3].m_flow.SeedStateSetJac25 - tabsSouth1[4].m_flow.SeedStateSetJac25 - tabsSouth2[1].m_flow.SeedStateSetJac25 - tabsSouth2[2].m_flow.SeedStateSetJac25 - tabsSouth2[3].m_flow.SeedStateSetJac25 - tabsSouth2[4].m_flow.SeedStateSetJac25 - tabsSouth2[5].m_flow.SeedStateSetJac25 - tabsSouth2[6].m_flow.SeedStateSetJac25 - tabsSouth2[7].m_flow.SeedStateSetJac25 - tabsSouth2[8].m_flow.SeedStateSetJac25 - tabsNorth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 - tabsNorth1[2].m_flow.SeedStateSetJac25 - tabsNorth1[3].m_flow.SeedStateSetJac25 - tabsNorth1[4].m_flow.SeedStateSetJac25 - tabsNorth2[1].m_flow.SeedStateSetJac25 - tabsNorth2[2].m_flow.SeedStateSetJac25 - tabsNorth2[3].m_flow.SeedStateSetJac25 - tabsNorth2[4].m_flow.SeedStateSetJac25 - tabsNorth2[5].m_flow.SeedStateSetJac25 - tabsNorth2[6].m_flow.SeedStateSetJac25 - tabsNorth2[8].m_flow.SeedStateSetJac25 - $cse422.$pDERStateSetJac25.dummyVarStateSetJac25 - tabsNorth2[7].m_flow.SeedStateSetJac25 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + (-tabsSouth1[3].m_flow.SeedStateSetJac25) - tabsSouth1[4].m_flow.SeedStateSetJac25 ;
  tabsSouth1[3].m_flow.SeedStateSetJac25 + $cse422.$pDERStateSetJac25.dummyVarStateSetJac25 + tabsNorth2[7].m_flow.SeedStateSetJac25 + tabsNorth2[8].m_flow.SeedStateSetJac25 + tabsNorth2[6].m_flow.SeedStateSetJac25 + tabsNorth2[5].m_flow.SeedStateSetJac25 + tabsNorth2[4].m_flow.SeedStateSetJac25 + tabsNorth2[3].m_flow.SeedStateSetJac25 + tabsNorth2[2].m_flow.SeedStateSetJac25 + tabsNorth2[1].m_flow.SeedStateSetJac25 + tabsNorth1[4].m_flow.SeedStateSetJac25 + tabsNorth1[3].m_flow.SeedStateSetJac25 + tabsNorth1[2].m_flow.SeedStateSetJac25 + tabsNorth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 + tabsSouth2[8].m_flow.SeedStateSetJac25 + tabsSouth2[7].m_flow.SeedStateSetJac25 + tabsSouth2[6].m_flow.SeedStateSetJac25 + tabsSouth2[5].m_flow.SeedStateSetJac25 + tabsSouth2[4].m_flow.SeedStateSetJac25 + tabsSouth2[3].m_flow.SeedStateSetJac25 + tabsSouth2[2].m_flow.SeedStateSetJac25 + tabsSouth2[1].m_flow.SeedStateSetJac25 + tabsSouth1[4].m_flow.SeedStateSetJac25 + (-valNorth.res3.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25) - spl1.res1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 - valSouth.res3.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac25.dummyVarStateSetJac25 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.03183/5.606, allocations: 32.92 MB / 2.561 GB, free: 349.2 MB / 1.37 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.136/5.742, allocations: 51.41 MB / 2.611 GB, free: 347.5 MB / 1.37 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01482/5.757, allocations: 5.194 MB / 2.616 GB, free: 346.7 MB / 1.37 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.006837/5.764, allocations: 187.8 kB / 2.617 GB, free: 346.7 MB / 1.37 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02588/5.79, allocations: 2.231 MB / 2.619 GB, free: 344.9 MB / 1.37 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005305/5.795, allocations: 1.335 MB / 2.62 GB, free: 344.9 MB / 1.37 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.00408/5.799, allocations: 0.8111 MB / 2.621 GB, free: 344.9 MB / 1.37 GB
Notification: Performance of sorting global known variables: time 0.01152/5.811, allocations: 7.507 MB / 2.628 GB, free: 344.4 MB / 1.37 GB
Notification: Performance of sort global known variables: time 1.71e-07/5.811, allocations: 4 kB / 2.628 GB, free: 344.4 MB / 1.37 GB
Notification: Performance of remove unused functions: time 0.06297/5.874, allocations: 32.25 MB / 2.66 GB, free: 344.4 MB / 1.37 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($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): 7
 * 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): 1 system
   {(189,1.5%)}
 * 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): 2 systems
   {(28,28,89.3%), (1,1,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(62,186)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.004599/5.878, allocations: 0.6333 MB / 2.66 GB, free: 344.3 MB / 1.37 GB
Notification: Performance of simCode: created initialization part: time 0.07607/5.954, allocations: 36.27 MB / 2.696 GB, free: 319.4 MB / 1.37 GB
Notification: Performance of simCode: created event and clocks part: time 9.668e-06/5.954, allocations: 4.5 kB / 2.696 GB, free: 319.4 MB / 1.37 GB
Notification: Performance of simCode: created simulation system equations: time 0.03574/5.99, allocations: 16.9 MB / 2.712 GB, free: 306.1 MB / 1.37 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05218/6.042, allocations: 11.81 MB / 2.724 GB, free: 297.6 MB / 1.37 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05957/6.102, allocations: 43.18 MB / 2.766 GB, free: 257.3 MB / 1.37 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.007951/6.11, allocations: 4.661 MB / 2.771 GB, free: 253 MB / 1.37 GB
Notification: Performance of simCode: alias equations: time 0.02223/6.132, allocations: 3.394 MB / 2.774 GB, free: 249.6 MB / 1.37 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.03316/6.165, allocations: 8.07 MB / 2.782 GB, free: 241.8 MB / 1.37 GB
Notification: Performance of SimCode: time 2.395e-06/6.165, allocations: 0 / 2.782 GB, free: 241.8 MB / 1.37 GB
Notification: Performance of Templates: time 2.02/8.185, allocations: 0.7719 GB / 3.554 GB, free: 390 MB / 1.401 GB
"
[Timeout remaining time 292]
make -j1 -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.makefile [Timeout 300]
(rm -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.sim & ./Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic -abortSlowSimulation -alarm=240  -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Basic.pipe 2>&1) [Timeout 240]
[Calling os._exit(0), Time elapsed: 22.344284190796316]