Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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: "" <> buildModelFMU(IBPSA.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001303/0.001303, allocations: 109.8 kB / 16.41 MB, free: 6.5 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001306/0.001306, allocations: 189.2 kB / 17.34 MB, free: 5.762 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.375/1.375, allocations: 222.9 MB / 241.1 MB, free: 15.2 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.8173/0.8173, allocations: 126.7 MB / 417.9 MB, free: 12.29 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001986/0.001986, allocations: 63.33 kB / 0.5735 GB, free: 27.16 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1292/0.1312, allocations: 78.87 MB / 0.6506 GB, free: 3.598 MB / 494.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Basic): time 0.6645/0.7957, allocations: 357.7 MB / 0.9998 GB, free: 1.121 MB / 0.7481 GB
Notification: Performance of NFInst.instExpressions: time 0.4811/1.277, allocations: 75.63 MB / 1.074 GB, free: 35.03 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01345/1.29, allocations: 439.1 kB / 1.074 GB, free: 35.02 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.01668/1.307, allocations: 6.405 MB / 1.08 GB, free: 35.01 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.03452/1.342, allocations: 13.97 MB / 1.094 GB, free: 34.52 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02229/1.364, allocations: 10.1 MB / 1.104 GB, free: 34.24 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.06466/1.429, allocations: 55.07 MB / 1.158 GB, free: 28.89 MB / 0.795 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02482/1.453, allocations: 19.6 MB / 1.177 GB, free: 12.21 MB / 0.795 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03631/1.49, allocations: 17.06 MB / 1.193 GB, free: 12.11 MB / 0.8106 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03507/1.525, allocations: 15.58 MB / 1.209 GB, free: 13.62 MB / 0.8262 GB
Notification: Performance of NFPackage.collectConstants: time 0.007551/1.532, allocations: 1.891 MB / 1.211 GB, free: 11.73 MB / 0.8262 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02177/1.554, allocations: 5.944 MB / 1.216 GB, free: 6.059 MB / 0.8262 GB
Notification: Performance of NFScalarize.scalarize: time 0.01096/1.565, allocations: 6.156 MB / 1.222 GB, free: 136 kB / 0.8262 GB
Notification: Performance of NFVerifyModel.verify: time 0.02324/1.589, allocations: 10.86 MB / 1.233 GB, free: 5.465 MB / 0.8419 GB
Notification: Performance of NFConvertDAE.convert: time 0.05055/1.639, allocations: 30.21 MB / 1.262 GB, free: 8.336 MB / 0.8731 GB
Notification: Performance of FrontEnd - DAE generated: time 7.263e-06/1.639, allocations: 0 / 1.262 GB, free: 8.336 MB / 0.8731 GB
Notification: Performance of FrontEnd: time 2.174e-06/1.639, allocations: 0 / 1.262 GB, free: 8.336 MB / 0.8731 GB
Notification: Performance of Transformations before backend: time 0.0008275/1.64, allocations: 0 / 1.262 GB, free: 8.336 MB / 0.8731 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 0.06114/1.701, allocations: 23.42 MB / 1.285 GB, free: 1.023 MB / 0.8887 GB
Notification: Performance of prepare preOptimizeDAE: time 4.44e-05/1.701, allocations: 8.031 kB / 1.285 GB, free: 1.016 MB / 0.8887 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003535/1.705, allocations: 1.002 MB / 1.286 GB, free: 4 kB / 0.8887 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01748/1.722, allocations: 3.208 MB / 1.289 GB, free: 12.78 MB / 0.9044 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04541/1.768, allocations: 22.36 MB / 1.311 GB, free: 6.734 MB / 0.92 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007855/1.769, allocations: 0.6536 MB / 1.312 GB, free: 6.082 MB / 0.92 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0041/1.773, allocations: 0.8967 MB / 1.313 GB, free: 5.188 MB / 0.92 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0385/1.811, allocations: 17.13 MB / 1.33 GB, free: 3.836 MB / 0.9356 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001995/1.811, allocations: 15.83 kB / 1.33 GB, free: 3.82 MB / 0.9356 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001919/1.813, allocations: 321.5 kB / 1.33 GB, free: 3.508 MB / 0.9356 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002028/1.814, allocations: 207.9 kB / 1.33 GB, free: 3.305 MB / 0.9356 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04045/1.854, allocations: 21.15 MB / 1.351 GB, free: 14.14 MB / 0.9669 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 0.4492/2.303, allocations: 82.12 MB / 1.431 GB, free: 467.9 MB / 1.014 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02272/2.326, allocations: 14.12 MB / 1.445 GB, free: 462.1 MB / 1.014 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01387/2.34, allocations: 10.49 MB / 1.455 GB, free: 457.9 MB / 1.014 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 0.05532/2.395, allocations: 35.47 MB / 1.49 GB, free: 434.7 MB / 1.014 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01592/2.411, allocations: 10.68 MB / 1.5 GB, free: 428.2 MB / 1.014 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.01955/2.431, allocations: 5.806 MB / 1.506 GB, free: 426.5 MB / 1.014 GB
Notification: Performance of pre-optimization done (n=548): time 2.677e-05/2.431, allocations: 0 / 1.506 GB, free: 426.5 MB / 1.014 GB
Notification: Performance of matching and sorting (n=832): time 0.9858/3.417, allocations: 249.5 MB / 1.749 GB, free: 180.7 MB / 1.014 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 0.1044/3.521, allocations: 52.74 MB / 1.801 GB, free: 126.6 MB / 1.014 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02805/3.549, allocations: 19.53 MB / 1.82 GB, free: 107.1 MB / 1.014 GB
Notification: Performance of collectPreVariables (initialization): time 0.003666/3.553, allocations: 217.7 kB / 1.82 GB, free: 106.9 MB / 1.014 GB
Notification: Performance of collectInitialEqns (initialization): time 0.006351/3.559, allocations: 7.511 MB / 1.827 GB, free: 99.42 MB / 1.014 GB
Notification: Performance of collectInitialBindings (initialization): time 0.01027/3.569, allocations: 3.123 MB / 1.83 GB, free: 96.34 MB / 1.014 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0164/3.586, allocations: 4.394 MB / 1.835 GB, free: 91.93 MB / 1.014 GB
Notification: Performance of setup shared object (initialization): time 3.821e-05/3.586, allocations: 305.1 kB / 1.835 GB, free: 91.62 MB / 1.014 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0352/3.621, allocations: 25.05 MB / 1.859 GB, free: 66.54 MB / 1.014 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03611/3.657, allocations: 27.9 MB / 1.887 GB, free: 37.59 MB / 1.014 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.3713/4.029, allocations: 45.96 MB / 1.932 GB, free: 434.8 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.627e-05/4.029, allocations: 13.44 kB / 1.932 GB, free: 434.8 MB / 1.014 GB
Notification: Performance of matching and sorting (n=1548) (initialization): time 0.651/4.68, allocations: 146.2 MB / 2.074 GB, free: 359.5 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 6.995e-05/4.68, allocations: 53.7 kB / 2.074 GB, free: 359.4 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.97e-05/4.68, allocations: 47.42 kB / 2.074 GB, free: 359.4 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6408/5.321, allocations: 125.4 MB / 2.197 GB, free: 234.3 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.018/5.339, allocations: 3.228 MB / 2.2 GB, free: 231.1 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.148/5.487, allocations: 86.88 MB / 2.285 GB, free: 144.2 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.222/5.709, allocations: 10.72 MB / 2.295 GB, free: 133.4 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005912/5.715, allocations: 1.652 MB / 2.297 GB, free: 131.8 MB / 1.014 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04109/5.756, allocations: 28.09 MB / 2.324 GB, free: 103.7 MB / 1.014 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03543/5.791, allocations: 27.27 MB / 2.351 GB, free: 75.34 MB / 1.014 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06309/5.854, allocations: 44.7 MB / 2.395 GB, free: 29.91 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.231e-05/5.854, allocations: 12 kB / 2.395 GB, free: 29.9 MB / 1.014 GB
Notification: Performance of matching and sorting (n=1548) (initialization_lambda0): time 0.9794/6.834, allocations: 144 MB / 2.535 GB, free: 381.3 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 5.908e-05/6.834, allocations: 53.7 kB / 2.535 GB, free: 381.3 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.373e-05/6.834, allocations: 44 kB / 2.536 GB, free: 381.2 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6337/7.468, allocations: 124.1 MB / 2.657 GB, free: 257.5 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01653/7.484, allocations: 3.178 MB / 2.66 GB, free: 254.3 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1619/7.646, allocations: 93.92 MB / 2.752 GB, free: 160.6 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2151/7.861, allocations: 10.78 MB / 2.762 GB, free: 149.9 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005952/7.867, allocations: 1.617 MB / 2.764 GB, free: 148.2 MB / 1.014 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 0.00621/7.874, allocations: 0.7281 MB / 2.764 GB, free: 147.5 MB / 1.014 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006277/7.88, allocations: 1.62 MB / 2.766 GB, free: 146.8 MB / 1.014 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2292/8.109, allocations: 70.26 MB / 2.835 GB, free: 76.66 MB / 1.014 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.5532/8.662, allocations: 82.35 MB / 2.915 GB, free: 406.5 MB / 1.014 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001537/8.662, allocations: 29.22 kB / 2.915 GB, free: 406.5 MB / 1.014 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2347/8.897, allocations: 81.23 MB / 2.994 GB, free: 390.9 MB / 1.014 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3505/9.248, allocations: 209.1 MB / 3.199 GB, free: 192 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.492e-05/9.248, allocations: 11.88 kB / 3.199 GB, free: 192 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0126/9.26, allocations: 2.295 MB / 3.201 GB, free: 189.7 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.5811/9.842, allocations: 142.1 MB / 3.34 GB, free: 47.55 MB / 1.014 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003715/9.845, allocations: 0.783 MB / 3.34 GB, free: 46.77 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.4376/10.28, allocations: 71.74 MB / 3.41 GB, free: 405.5 MB / 1.014 GB
Warning: The linear system: 
1 : tabsSouth2[4].dp = valSouth2[4].port_b.p - tabsSouth1[1].port_b.p
2 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
3 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
4 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth2[4].port_b.p
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[4].port_b.p ;
  valSouth2[2].port_a.p ;
  valSouth2[8].port_b.p ;
  tabsSouth1[1].port_b.p
]
  =
[
  -tabsSouth2[4].dp ;
  -tabsSouth2[8].dp ;
  -valSouth2[8].dp ;
  -valSouth2[4].dp
]
 might be structurally or numerically singular for variable tabsSouth1[1].port_b.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
2 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse422 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1[1].m_flow ;
  tabsSouth1[2].m_flow
]
  =
[
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ;
  tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
2 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth2[4].port_b.p
3 : tabsSouth2[4].dp = valSouth2[4].port_b.p - tabsSouth1[1].port_b.p
4 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[8].port_b.p ;
  tabsSouth1[1].port_b.p ;
  valSouth2[4].port_b.p ;
  valSouth2[2].port_a.p
]
  =
[
  -valSouth2[8].dp ;
  -valSouth2[4].dp ;
  -tabsSouth2[4].dp ;
  -tabsSouth2[8].dp
]
 might be structurally or numerically singular for variable valSouth2[2].port_a.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse422 - tabsNorth2[8].m_flow - tabsNorth2[6].m_flow - tabsNorth2[5].m_flow - tabsNorth2[4].m_flow - tabsNorth2[3].m_flow - tabsNorth2[2].m_flow - tabsNorth2[1].m_flow - tabsNorth1[4].m_flow - tabsNorth1[3].m_flow - tabsNorth1[2].m_flow - tabsNorth1[1].m_flow - tabsSouth2[8].m_flow - tabsSouth2[7].m_flow - tabsSouth2[6].m_flow - tabsSouth2[5].m_flow - tabsSouth2[4].m_flow - tabsSouth2[3].m_flow - tabsSouth2[2].m_flow - tabsSouth2[1].m_flow - tabsSouth1[4].m_flow - tabsSouth1[3].m_flow - tabsSouth1[1].m_flow - tabsSouth1[2].m_flow = 0.0
2 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
[
  -1.0 , -1.0 ;
  1.0 , 1.0
]
  *
[
  tabsSouth1[1].m_flow ;
  tabsSouth1[2].m_flow
]
  =
[
  tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth2[1].m_flow + tabsSouth2[2].m_flow + tabsSouth2[3].m_flow + tabsSouth2[4].m_flow + tabsSouth2[5].m_flow + tabsSouth2[6].m_flow + tabsSouth2[7].m_flow + tabsSouth2[8].m_flow + tabsNorth1[1].m_flow + tabsNorth1[2].m_flow + tabsNorth1[3].m_flow + tabsNorth1[4].m_flow + tabsNorth2[1].m_flow + tabsNorth2[2].m_flow + tabsNorth2[3].m_flow + tabsNorth2[4].m_flow + tabsNorth2[5].m_flow + tabsNorth2[6].m_flow + tabsNorth2[8].m_flow + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ;
  tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ;
  tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.08345/10.37, allocations: 49.79 MB / 3.459 GB, free: 381 MB / 1.014 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2685/10.63, allocations: 119.3 MB / 3.576 GB, free: 291.6 MB / 1.014 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01485/10.65, allocations: 7.211 MB / 3.583 GB, free: 285.3 MB / 1.014 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.005266/10.66, allocations: 188 kB / 3.583 GB, free: 285.1 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.1144/10.77, allocations: 5.338 MB / 3.588 GB, free: 280.2 MB / 1.014 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.004617/10.77, allocations: 1.107 MB / 3.589 GB, free: 279.1 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.002383/10.78, allocations: 0.8728 MB / 3.59 GB, free: 278.2 MB / 1.014 GB
Notification: Performance of sorting global known variables: time 0.01666/10.79, allocations: 13.63 MB / 3.603 GB, free: 264.7 MB / 1.014 GB
Notification: Performance of sort global known variables: time 4.11e-07/10.79, allocations: 4 kB / 3.603 GB, free: 264.7 MB / 1.014 GB
Notification: Performance of remove unused functions: time 0.1421/10.94, allocations: 80.26 MB / 3.682 GB, free: 184.6 MB / 1.014 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($STATESET1.x[32],$STATESET1.x[31],$STATESET1.x[30],$STATESET1.x[29],$STATESET1.x[28],$STATESET1.x[27],$STATESET1.x[26],$STATESET1.x[25],$STATESET1.x[24],$STATESET1.x[23],$STATESET1.x[22],$STATESET1.x[21],$STATESET1.x[20],$STATESET1.x[19],$STATESET1.x[18],$STATESET1.x[17],$STATESET1.x[16],$STATESET1.x[15],$STATESET1.x[14],$STATESET1.x[13],$STATESET1.x[12],$STATESET1.x[11],$STATESET1.x[10],$STATESET1.x[9],$STATESET1.x[8],$STATESET1.x[7],$STATESET1.x[6],$STATESET1.x[5],$STATESET1.x[4],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpNorth.vol.dynBal.U,valSouth.vol.dynBal.U,valNorth.vol.dynBal.U,spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U)
 * Number of discrete variables: 7 ($whenCondition2,$whenCondition1,stepPump.y,stepPump.pulseStart,pumpHea.stage,stepValve.T_start,stepValve.count)
 * Number of discrete states: 1 (stepValve.count)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (541):
 * Single equations (assignments): 518
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 10
 * When equations: 3
 * If-equations: 0
 * Equation systems (not torn): 6
 * Torn equation systems: 4
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 6 systems
   {1, 1, 1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(28,28,89.3%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 3 systems
   {(33,156), (1,1), (62,186)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.2634/11.2, allocations: 120.3 MB / 3.799 GB, free: 64.44 MB / 1.014 GB
Notification: Performance of simCode: created initialization part: time 0.449/11.65, allocations: 97.16 MB / 3.894 GB, free: 438.7 MB / 1.014 GB
Notification: Performance of simCode: created event and clocks part: time 8.426e-06/11.65, allocations: 3.969 kB / 3.894 GB, free: 438.7 MB / 1.014 GB
Notification: Performance of simCode: created simulation system equations: time 0.07378/11.72, allocations: 35.12 MB / 3.928 GB, free: 427.9 MB / 1.014 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.06859/11.79, allocations: 8.237 MB / 3.936 GB, free: 425.8 MB / 1.014 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 2.13/13.92, allocations: 483.4 MB / 4.408 GB, free: 401.7 MB / 1.014 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01223/13.93, allocations: 10.78 MB / 4.419 GB, free: 398.9 MB / 1.014 GB
Notification: Performance of simCode: alias equations: time 0.02843/13.96, allocations: 7.75 MB / 4.426 GB, free: 397.1 MB / 1.014 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02269/13.98, allocations: 11.6 MB / 4.438 GB, free: 392.8 MB / 1.014 GB
Notification: Performance of SimCode: time 7.72e-07/13.98, allocations: 0 / 4.438 GB, free: 392.8 MB / 1.014 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 1.899/15.88, allocations: 0.9159 GB / 5.354 GB, free: 392.5 MB / 1.014 GB
Notification: Performance of buildModelFMU: Generate platform static: time 137.9/153.8, allocations: 2.5 kB / 5.354 GB, free: 392.5 MB / 1.014 GB
(rm -f IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.sim & python3 -m fmpy simulate  --output-file IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic_res.csv --start-time 0 --stop-time 1000 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 IBPSA_latest_IBPSA_Fluid_Examples_FlowSystem_Basic.fmu > IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.pipe 2>&1)