Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.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 11.0.1-master/package.mo", uses=false)
Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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.Simplified3,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3")
translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified3,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001444/0.001444, allocations: 103.2 kB / 16.27 MB, free: 6 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001429/0.001429, allocations: 194.2 kB / 17.2 MB, free: 5.609 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.3/1.3, allocations: 222.9 MB / 240.9 MB, free: 15.26 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.635/2.635, allocations: 469.4 MB / 0.7427 GB, free: 3.648 MB / 0.6075 GB
Notification: Performance of FrontEnd - loaded program: time 0.001436/0.001436, allocations: 58.53 kB / 0.9088 GB, free: 14.14 MB / 0.6856 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.328/0.3294, allocations: 159.1 MB / 1.064 GB, free: 15.03 MB / 0.8419 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified3): time 0.9698/1.299, allocations: 357.8 MB / 1.414 GB, free: 2.992 MB / 1.123 GB
Notification: Performance of NFInst.instExpressions: time 0.13/1.429, allocations: 75.87 MB / 1.488 GB, free: 6.949 MB / 1.201 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.02365/1.453, allocations: 433.5 kB / 1.488 GB, free: 6.523 MB / 1.201 GB
Notification: Performance of NFTyping.typeComponents: time 0.04664/1.5, allocations: 23.48 MB / 1.511 GB, free: 14.99 MB / 1.232 GB
Notification: Performance of NFTyping.typeBindings: time 0.05545/1.555, allocations: 14.03 MB / 1.525 GB, free: 0.9141 MB / 1.232 GB
Notification: Performance of NFTyping.typeClassSections: time 0.03267/1.588, allocations: 10.04 MB / 1.535 GB, free: 6.953 MB / 1.248 GB
Notification: Performance of NFFlatten.flatten: time 1.248/2.836, allocations: 66.65 MB / 1.6 GB, free: 102.6 MB / 1.264 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.04389/2.88, allocations: 19.97 MB / 1.619 GB, free: 100.6 MB / 1.264 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.04809/2.928, allocations: 16.92 MB / 1.636 GB, free: 99.87 MB / 1.264 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03688/2.965, allocations: 16.31 MB / 1.652 GB, free: 97.74 MB / 1.264 GB
Notification: Performance of NFPackage.collectConstants: time 0.01236/2.977, allocations: 1.956 MB / 1.653 GB, free: 97.74 MB / 1.264 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.03095/3.008, allocations: 6.619 MB / 1.66 GB, free: 97.69 MB / 1.264 GB
Notification: Performance of NFScalarize.scalarize: time 0.01581/3.024, allocations: 6.489 MB / 1.666 GB, free: 96.95 MB / 1.264 GB
Notification: Performance of NFVerifyModel.verify: time 0.0361/3.06, allocations: 11.19 MB / 1.677 GB, free: 94.04 MB / 1.264 GB
Notification: Performance of NFConvertDAE.convert: time 0.06131/3.122, allocations: 31.28 MB / 1.708 GB, free: 80.63 MB / 1.264 GB
Notification: Performance of FrontEnd - DAE generated: time 7.855e-06/3.122, allocations: 0 / 1.708 GB, free: 80.63 MB / 1.264 GB
Notification: Performance of FrontEnd: time 1.894e-06/3.122, allocations: 0 / 1.708 GB, free: 80.63 MB / 1.264 GB
Notification: Performance of Transformations before backend: time 0.001302/3.123, allocations: 0 / 1.708 GB, free: 80.63 MB / 1.264 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 2045
 * Number of variables: 2045
Notification: Performance of Generate backend data structure: time 0.07984/3.203, allocations: 23.93 MB / 1.731 GB, free: 59.6 MB / 1.264 GB
Notification: Performance of prepare preOptimizeDAE: time 5.444e-05/3.203, allocations: 16.38 kB / 1.731 GB, free: 59.59 MB / 1.264 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02142/3.225, allocations: 3.188 MB / 1.734 GB, free: 56.39 MB / 1.264 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.05363/3.278, allocations: 19.69 MB / 1.753 GB, free: 42.63 MB / 1.264 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001195/3.28, allocations: 0.6976 MB / 1.754 GB, free: 42.22 MB / 1.264 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.007372/3.287, allocations: 0.9463 MB / 1.755 GB, free: 41.57 MB / 1.264 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.05125/3.338, allocations: 17.07 MB / 1.772 GB, free: 26.79 MB / 1.264 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0007/3.339, allocations: 22.73 kB / 1.772 GB, free: 26.77 MB / 1.264 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00564/3.345, allocations: 327.9 kB / 1.772 GB, free: 26.46 MB / 1.264 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004164/3.345, allocations: 366.4 kB / 1.772 GB, free: 26.1 MB / 1.264 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04636/3.391, allocations: 21.52 MB / 1.793 GB, free: 4.625 MB / 1.264 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 0.1788/3.57, allocations: 83.66 MB / 1.875 GB, free: 14.92 MB / 1.357 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02901/3.599, allocations: 13.04 MB / 1.888 GB, free: 2.125 MB / 1.357 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.02039/3.62, allocations: 10.03 MB / 1.898 GB, free: 8.082 MB / 1.373 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 0.09394/3.714, allocations: 35.38 MB / 1.932 GB, free: 4.406 MB / 1.404 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02435/3.738, allocations: 10.15 MB / 1.942 GB, free: 10.18 MB / 1.42 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02581/3.764, allocations: 5.821 MB / 1.948 GB, free: 4.516 MB / 1.42 GB
Notification: Performance of pre-optimization done (n=567): time 5.41e-05/3.764, allocations: 0 / 1.948 GB, free: 4.516 MB / 1.42 GB
Notification: Performance of matching and sorting (n=838): time 1.56/5.324, allocations: 217.8 MB / 2.161 GB, free: 0.6619 GB / 1.576 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1344/5.459, allocations: 56 MB / 2.215 GB, free: 0.6289 GB / 1.576 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03519/5.494, allocations: 17.41 MB / 2.232 GB, free: 0.6206 GB / 1.576 GB
Notification: Performance of collectPreVariables (initialization): time 0.00483/5.499, allocations: 226.9 kB / 2.232 GB, free: 0.6204 GB / 1.576 GB
Notification: Performance of collectInitialEqns (initialization): time 0.01019/5.509, allocations: 7.755 MB / 2.24 GB, free: 0.6152 GB / 1.576 GB
Notification: Performance of collectInitialBindings (initialization): time 0.009046/5.518, allocations: 3.006 MB / 2.243 GB, free: 0.6142 GB / 1.576 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01707/5.535, allocations: 4.085 MB / 2.247 GB, free: 0.6121 GB / 1.576 GB
Notification: Performance of setup shared object (initialization): time 4.836e-05/5.535, allocations: 301.1 kB / 2.247 GB, free: 0.6118 GB / 1.576 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02943/5.565, allocations: 20.6 MB / 2.267 GB, free: 0.5992 GB / 1.576 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03169/5.597, allocations: 23.48 MB / 2.29 GB, free: 0.5753 GB / 1.576 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.05824/5.655, allocations: 39.28 MB / 2.329 GB, free: 0.5361 GB / 1.576 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.242e-05/5.655, allocations: 16 kB / 2.329 GB, free: 0.5361 GB / 1.576 GB
Notification: Performance of matching and sorting (n=1667) (initialization): time 0.599/6.254, allocations: 135.3 MB / 2.461 GB, free: 413.5 MB / 1.576 GB
Notification: Performance of prepare postOptimizeDAE: time 8.206e-05/6.254, allocations: 54.33 kB / 2.461 GB, free: 413.4 MB / 1.576 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.353e-05/6.254, allocations: 52 kB / 2.461 GB, free: 413.4 MB / 1.576 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.583/6.837, allocations: 118 MB / 2.576 GB, free: 295.4 MB / 1.576 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01822/6.856, allocations: 3.584 MB / 2.58 GB, free: 291.8 MB / 1.576 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1687/7.024, allocations: 81.93 MB / 2.66 GB, free: 209.5 MB / 1.576 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09406/7.118, allocations: 6.464 MB / 2.666 GB, free: 203.1 MB / 1.576 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007053/7.126, allocations: 1.347 MB / 2.667 GB, free: 201.7 MB / 1.576 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04634/7.172, allocations: 24 MB / 2.691 GB, free: 177.7 MB / 1.576 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03337/7.205, allocations: 22.96 MB / 2.713 GB, free: 153.7 MB / 1.576 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06139/7.267, allocations: 38.25 MB / 2.751 GB, free: 114.6 MB / 1.576 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 0.0001007/7.267, allocations: 16 kB / 2.751 GB, free: 114.6 MB / 1.576 GB
Notification: Performance of matching and sorting (n=1667) (initialization_lambda0): time 1.238/8.505, allocations: 133.7 MB / 2.881 GB, free: 0.6312 GB / 1.576 GB
Notification: Performance of prepare postOptimizeDAE: time 7.669e-05/8.505, allocations: 55.44 kB / 2.881 GB, free: 0.6311 GB / 1.576 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.602e-05/8.505, allocations: 52.69 kB / 2.881 GB, free: 0.6311 GB / 1.576 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6009/9.106, allocations: 117.7 MB / 2.996 GB, free: 0.5938 GB / 1.576 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01749/9.123, allocations: 3.568 MB / 3 GB, free: 0.5904 GB / 1.576 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1671/9.29, allocations: 86.15 MB / 3.084 GB, free: 0.5062 GB / 1.576 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09459/9.385, allocations: 6.509 MB / 3.09 GB, free: 0.4999 GB / 1.576 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006986/9.392, allocations: 1.314 MB / 3.091 GB, free: 0.4986 GB / 1.576 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 241
 * 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 (1203):
 * Single equations (assignments): 1175
 * Array equations: 6
 * Algorithm blocks: 1
 * Record equations: 12
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 6
 * 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): 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): 2 systems
   {(5,80), (5,80)}
Notification: Performance of prepare postOptimizeDAE: time 0.0106/9.403, allocations: 0.7769 MB / 3.092 GB, free: 0.4979 GB / 1.576 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009828/9.413, allocations: 1.607 MB / 3.094 GB, free: 0.4971 GB / 1.576 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2216/9.634, allocations: 60.78 MB / 3.153 GB, free: 448.6 MB / 1.576 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2212/9.856, allocations: 67.06 MB / 3.219 GB, free: 381.7 MB / 1.576 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.000249/9.856, allocations: 28 kB / 3.219 GB, free: 381.7 MB / 1.576 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2141/10.07, allocations: 66.37 MB / 3.283 GB, free: 315.4 MB / 1.576 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2945/10.36, allocations: 130.5 MB / 3.411 GB, free: 185.1 MB / 1.576 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.009e-05/10.36, allocations: 4 kB / 3.411 GB, free: 185.1 MB / 1.576 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01174/10.38, allocations: 1.985 MB / 3.413 GB, free: 183.1 MB / 1.576 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3261/10.7, allocations: 81.55 MB / 3.492 GB, free: 101.6 MB / 1.576 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00391/10.71, allocations: 0.569 MB / 3.493 GB, free: 101.1 MB / 1.576 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1069/10.81, allocations: 58.57 MB / 3.55 GB, free: 42.45 MB / 1.576 GB
Warning: The linear system: 
1 : valNorth.res1.m_flow + valSouth.res1.m_flow + (-valHea.m_flow) - valCoo.m_flow = 0.0
2 : 0.0 = spl1.res1.m_flow + (-valHea.m_flow) - bou.ports[1].m_flow
3 : 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 , 0.0 , -1.0 ;
  0.0 , -1.0 , 1.0 ;
  1.0 , 1.0 , 0.0
]
  *
[
  valCoo.m_flow ;
  spl1.res1.m_flow ;
  valHea.m_flow
]
  =
[
  (-valNorth.res1.m_flow) - valSouth.res1.m_flow ;
  -bou.ports[1].m_flow ;
  tabsSouth1[2].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 + tabsSouth1[3].m_flow + tabsSouth1[1].m_flow + (-valSouth.res3.m_flow) - valNorth.res3.m_flow
]
 might be structurally or numerically singular for variable valHea.m_flow since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
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 : 0.0 = spl1.res1.m_flow + (-valHea.m_flow) - bou.ports[1].m_flow
3 : valNorth.res1.m_flow + valSouth.res1.m_flow + (-valHea.m_flow) - valCoo.m_flow = 0.0
[
  1.0 , 0.0 , 1.0 ;
  0.0 , 1.0 , -1.0 ;
  -1.0 , -1.0 , 0.0
]
  *
[
  valCoo.m_flow ;
  valHea.m_flow ;
  spl1.res1.m_flow
]
  =
[
  tabsSouth1[2].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 + tabsSouth1[3].m_flow + tabsSouth1[1].m_flow + (-valSouth.res3.m_flow) - valNorth.res3.m_flow ;
  -bou.ports[1].m_flow ;
  (-valNorth.res1.m_flow) - valSouth.res1.m_flow
]
 might be structurally or numerically singular for variable spl1.res1.m_flow since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valNorth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valSouth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-tabsNorth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - tabsNorth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 = 0.0
2 : valNorth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valSouth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 = 0.0
3 : 0.0 = spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - bou.ports.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24
[
  1.0 , 0.0 , 1.0 ;
  0.0 , -1.0 , -1.0 ;
  -1.0 , 1.0 , 0.0
]
  *
[
  spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ;
  valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ;
  valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24
]
  =
[
  tabsNorth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-valSouth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valNorth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ;
  (-valNorth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valSouth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ;
  -bou.ports.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24
]
 might be structurally or numerically singular for variable valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.6947/11.51, allocations: 54.11 MB / 3.603 GB, free: 0.6192 GB / 1.576 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2821/11.79, allocations: 96.19 MB / 3.697 GB, free: 0.5984 GB / 1.576 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0187/11.81, allocations: 5.944 MB / 3.703 GB, free: 0.5968 GB / 1.576 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.009304/11.82, allocations: 221.1 kB / 3.703 GB, free: 0.5967 GB / 1.576 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05757/11.88, allocations: 3.315 MB / 3.706 GB, free: 0.5966 GB / 1.576 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.007343/11.88, allocations: 0.871 MB / 3.707 GB, free: 0.5965 GB / 1.576 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.005524/11.89, allocations: 0.6326 MB / 3.708 GB, free: 0.5964 GB / 1.576 GB
Notification: Performance of sorting global known variables: time 0.02935/11.92, allocations: 11.82 MB / 3.719 GB, free: 0.5927 GB / 1.576 GB
Notification: Performance of sort global known variables: time 5.91e-07/11.92, allocations: 0 / 3.719 GB, free: 0.5927 GB / 1.576 GB
Notification: Performance of remove unused functions: time 0.09603/12.01, allocations: 38.85 MB / 3.757 GB, free: 0.5579 GB / 1.576 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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,pmpSouth.filter.s[1],pmpNorth.vol.dynBal.U,pmpNorth.filter.s[1],valSouth1[1].filter.s[1],valSouth1[2].filter.s[1],valSouth1[3].filter.s[1],valSouth1[4].filter.s[1],valSouth2[1].filter.s[1],valSouth2[2].filter.s[1],valSouth2[3].filter.s[1],valSouth2[4].filter.s[1],valSouth2[5].filter.s[1],valSouth2[6].filter.s[1],valSouth2[7].filter.s[1],valSouth2[8].filter.s[1],valNorth1[1].filter.s[1],valNorth1[2].filter.s[1],valNorth1[3].filter.s[1],valNorth1[4].filter.s[1],valNorth2[1].filter.s[1],valNorth2[2].filter.s[1],valNorth2[3].filter.s[1],valNorth2[4].filter.s[1],valNorth2[5].filter.s[1],valNorth2[6].filter.s[1],valNorth2[7].filter.s[1],valNorth2[8].filter.s[1],valSouth.vol.dynBal.U,valSouth.filter.s[1],valNorth.vol.dynBal.U,valNorth.filter.s[1],spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,pumpHea.filter.s[1],valHea.filter.s[1],valCoo.filter.s[1],spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U,pumpCoo.filter.s[1],vol.p)
 * 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 (621):
 * Single equations (assignments): 600
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 10
 * When equations: 3
 * If-equations: 0
 * Equation systems (not torn): 4
 * 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): 4 systems
   {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
   {(7,83), (1,1), (38,197)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.008014/12.02, allocations: 2.036 MB / 3.759 GB, free: 0.5565 GB / 1.576 GB
Notification: Performance of simCode: created initialization part: time 0.1984/12.22, allocations: 102.6 MB / 3.859 GB, free: 471.3 MB / 1.576 GB
Notification: Performance of simCode: created event and clocks part: time 1.406e-05/12.22, allocations: 4 kB / 3.859 GB, free: 471.3 MB / 1.576 GB
Notification: Performance of simCode: created simulation system equations: time 0.05657/12.28, allocations: 25.48 MB / 3.884 GB, free: 446.1 MB / 1.576 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.06554/12.34, allocations: 7.911 MB / 3.892 GB, free: 438.6 MB / 1.576 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1111/12.45, allocations: 55.01 MB / 3.946 GB, free: 383.7 MB / 1.576 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.02226/12.48, allocations: 10.35 MB / 3.956 GB, free: 373.3 MB / 1.576 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01516/12.49, allocations: 2.113 MB / 3.958 GB, free: 371.1 MB / 1.576 GB
Notification: Performance of SimCode: time 1.282e-06/12.49, allocations: 0 / 3.958 GB, free: 371.1 MB / 1.576 GB
Notification: Performance of Templates: time 3.316/15.81, allocations: 1.35 GB / 5.308 GB, free: 401.6 MB / 1.576 GB
make -j1 -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.makefile
(rm -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe >> ../files/Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.sim & ./Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3  -abortSlowSimulation -alarm=480  -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)