Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/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: translateModel(IBPSA.Fluid.Examples.FlowSystem.Simplified3,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3")
translateModel(IBPSA.Fluid.Examples.FlowSystem.Simplified3,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001223/0.001223, allocations: 102.8 kB / 16.27 MB, free: 5.984 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00127/0.00127, allocations: 188.4 kB / 17.2 MB, free: 5.613 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.385/1.385, allocations: 222.9 MB / 240.9 MB, free: 15.21 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7842/0.7842, allocations: 122.9 MB / 413.9 MB, free: 15.86 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001295/0.001295, allocations: 67.89 kB / 0.4911 GB, free: 7.41 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4397/0.441, allocations: 77.92 MB / 0.5672 GB, free: 32.56 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified3): time 0.7193/1.16, allocations: 357.7 MB / 0.9165 GB, free: 9.957 MB / 0.6231 GB
Notification: Performance of NFInst.instExpressions: time 0.1286/1.289, allocations: 75.87 MB / 0.9906 GB, free: 13.91 MB / 0.7012 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.02217/1.311, allocations: 433.5 kB / 0.991 GB, free: 13.48 MB / 0.7012 GB
Notification: Performance of NFTyping.typeComponents: time 0.04669/1.358, allocations: 23.46 MB / 1.014 GB, free: 5.965 MB / 0.7169 GB
Notification: Performance of NFTyping.typeBindings: time 0.4879/1.846, allocations: 14.03 MB / 1.028 GB, free: 29.91 MB / 0.7169 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02856/1.875, allocations: 10.04 MB / 1.037 GB, free: 29.83 MB / 0.7169 GB
Notification: Performance of NFFlatten.flatten: time 0.1068/1.981, allocations: 66.66 MB / 1.103 GB, free: 28.14 MB / 0.7169 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0329/2.014, allocations: 19.99 MB / 1.122 GB, free: 15.12 MB / 0.7169 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.04557/2.06, allocations: 16.92 MB / 1.139 GB, free: 3.988 MB / 0.7169 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03456/2.094, allocations: 16.33 MB / 1.155 GB, free: 8.363 MB / 0.7325 GB
Notification: Performance of NFPackage.collectConstants: time 0.0109/2.105, allocations: 1.953 MB / 1.156 GB, free: 6.41 MB / 0.7325 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.03101/2.136, allocations: 6.616 MB / 1.163 GB, free: 1.594 MB / 0.7325 GB
Notification: Performance of NFScalarize.scalarize: time 0.0155/2.152, allocations: 6.488 MB / 1.169 GB, free: 11.45 MB / 0.7481 GB
Notification: Performance of NFVerifyModel.verify: time 0.0314/2.183, allocations: 11.2 MB / 1.18 GB, free: 0.5781 MB / 0.7481 GB
Notification: Performance of NFConvertDAE.convert: time 0.06323/2.247, allocations: 31.27 MB / 1.211 GB, free: 2.504 MB / 0.7794 GB
Notification: Performance of FrontEnd - DAE generated: time 7.734e-06/2.247, allocations: 0 / 1.211 GB, free: 2.504 MB / 0.7794 GB
Notification: Performance of FrontEnd: time 2.905e-06/2.247, allocations: 0 / 1.211 GB, free: 2.504 MB / 0.7794 GB
Notification: Performance of Transformations before backend: time 0.001325/2.248, allocations: 0 / 1.211 GB, free: 2.504 MB / 0.7794 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 0.08212/2.33, allocations: 23.93 MB / 1.234 GB, free: 10.72 MB / 0.8106 GB
Notification: Performance of prepare preOptimizeDAE: time 4.958e-05/2.33, allocations: 8.625 kB / 1.234 GB, free: 10.71 MB / 0.8106 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01974/2.35, allocations: 3.193 MB / 1.237 GB, free: 7.492 MB / 0.8106 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04878/2.399, allocations: 19.69 MB / 1.256 GB, free: 4.324 MB / 0.8262 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009732/2.4, allocations: 0.694 MB / 1.257 GB, free: 3.637 MB / 0.8262 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.006672/2.407, allocations: 0.9452 MB / 1.258 GB, free: 2.699 MB / 0.8262 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04316/2.45, allocations: 17.07 MB / 1.275 GB, free: 1.453 MB / 0.8419 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0002672/2.45, allocations: 18.38 kB / 1.275 GB, free: 1.441 MB / 0.8419 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003327/2.453, allocations: 330.8 kB / 1.275 GB, free: 1.125 MB / 0.8419 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003893/2.454, allocations: 369.6 kB / 1.275 GB, free: 0.7656 MB / 0.8419 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0425/2.496, allocations: 21.51 MB / 1.296 GB, free: 11.29 MB / 0.8731 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 0.4679/2.964, allocations: 83.67 MB / 1.378 GB, free: 419 MB / 0.9044 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02231/2.987, allocations: 13.03 MB / 1.391 GB, free: 413.2 MB / 0.9044 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01646/3.003, allocations: 10.05 MB / 1.401 GB, free: 407.6 MB / 0.9044 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 0.07757/3.081, allocations: 35.38 MB / 1.435 GB, free: 383.2 MB / 0.9044 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01916/3.1, allocations: 10.15 MB / 1.445 GB, free: 377.1 MB / 0.9044 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02297/3.123, allocations: 5.826 MB / 1.451 GB, free: 372.4 MB / 0.9044 GB
Notification: Performance of pre-optimization done (n=567): time 5.226e-05/3.123, allocations: 0 / 1.451 GB, free: 372.4 MB / 0.9044 GB
Notification: Performance of matching and sorting (n=838): time 0.9597/4.083, allocations: 217.8 MB / 1.664 GB, free: 156.2 MB / 0.9044 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.145/4.228, allocations: 55.98 MB / 1.718 GB, free: 99.27 MB / 0.9044 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03476/4.263, allocations: 17.42 MB / 1.735 GB, free: 82 MB / 0.9044 GB
Notification: Performance of collectPreVariables (initialization): time 0.005307/4.268, allocations: 227 kB / 1.735 GB, free: 81.78 MB / 0.9044 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00945/4.277, allocations: 7.736 MB / 1.743 GB, free: 74.06 MB / 0.9044 GB
Notification: Performance of collectInitialBindings (initialization): time 0.01038/4.288, allocations: 3.003 MB / 1.746 GB, free: 71.08 MB / 0.9044 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01677/4.305, allocations: 4.079 MB / 1.75 GB, free: 66.99 MB / 0.9044 GB
Notification: Performance of setup shared object (initialization): time 4.278e-05/4.305, allocations: 305.1 kB / 1.75 GB, free: 66.69 MB / 0.9044 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.03021/4.335, allocations: 20.6 MB / 1.77 GB, free: 46.06 MB / 0.9044 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03345/4.368, allocations: 23.48 MB / 1.793 GB, free: 21.55 MB / 0.9044 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.3827/4.751, allocations: 39.29 MB / 1.832 GB, free: 398.8 MB / 0.9044 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.672e-05/4.751, allocations: 15.75 kB / 1.832 GB, free: 398.8 MB / 0.9044 GB
Notification: Performance of matching and sorting (n=1667) (initialization): time 0.6295/5.381, allocations: 135.3 MB / 1.964 GB, free: 324.2 MB / 0.9044 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001094/5.381, allocations: 54.67 kB / 1.964 GB, free: 324.2 MB / 0.9044 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001158/5.381, allocations: 56 kB / 1.964 GB, free: 324.1 MB / 0.9044 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6009/5.982, allocations: 118 MB / 2.079 GB, free: 206.5 MB / 0.9044 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01939/6.001, allocations: 3.596 MB / 2.083 GB, free: 202.9 MB / 0.9044 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1402/6.142, allocations: 81.92 MB / 2.163 GB, free: 120.8 MB / 0.9044 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09936/6.241, allocations: 6.457 MB / 2.169 GB, free: 114.4 MB / 0.9044 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006166/6.247, allocations: 1.341 MB / 2.17 GB, free: 113 MB / 0.9044 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03804/6.285, allocations: 24 MB / 2.194 GB, free: 89.03 MB / 0.9044 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03103/6.316, allocations: 22.96 MB / 2.216 GB, free: 65.03 MB / 0.9044 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0549/6.371, allocations: 38.27 MB / 2.253 GB, free: 25.94 MB / 0.9044 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.184e-05/6.371, allocations: 16 kB / 2.253 GB, free: 25.93 MB / 0.9044 GB
Notification: Performance of matching and sorting (n=1667) (initialization_lambda0): time 0.96/7.331, allocations: 133.7 MB / 2.384 GB, free: 351 MB / 0.9044 GB
Notification: Performance of prepare postOptimizeDAE: time 8.568e-05/7.331, allocations: 53.7 kB / 2.384 GB, free: 350.9 MB / 0.9044 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.195e-05/7.332, allocations: 52 kB / 2.384 GB, free: 350.9 MB / 0.9044 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5985/7.93, allocations: 117.7 MB / 2.499 GB, free: 233.5 MB / 0.9044 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01662/7.947, allocations: 3.575 MB / 2.503 GB, free: 229.9 MB / 0.9044 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1528/8.1, allocations: 86.16 MB / 2.587 GB, free: 143.7 MB / 0.9044 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09805/8.198, allocations: 6.515 MB / 2.593 GB, free: 137.1 MB / 0.9044 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006358/8.204, allocations: 1.314 MB / 2.594 GB, free: 135.8 MB / 0.9044 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 0.009032/8.213, allocations: 0.7616 MB / 2.595 GB, free: 135.1 MB / 0.9044 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009052/8.222, allocations: 1.613 MB / 2.597 GB, free: 134.3 MB / 0.9044 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2244/8.447, allocations: 60.77 MB / 2.656 GB, free: 73.64 MB / 0.9044 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.5354/8.982, allocations: 67.06 MB / 2.722 GB, free: 365.4 MB / 0.9044 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001313/8.982, allocations: 29.19 kB / 2.722 GB, free: 365.4 MB / 0.9044 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2174/9.2, allocations: 66.38 MB / 2.786 GB, free: 355.7 MB / 0.9044 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3117/9.511, allocations: 130.5 MB / 2.914 GB, free: 263.4 MB / 0.9044 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001221/9.512, allocations: 0 / 2.914 GB, free: 263.4 MB / 0.9044 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01214/9.524, allocations: 1.982 MB / 2.916 GB, free: 261.4 MB / 0.9044 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3408/9.865, allocations: 81.53 MB / 2.995 GB, free: 180.2 MB / 0.9044 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00474/9.869, allocations: 0.569 MB / 2.996 GB, free: 179.6 MB / 0.9044 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1005/9.97, allocations: 58.58 MB / 3.053 GB, free: 120.9 MB / 0.9044 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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1103/10.08, allocations: 54.09 MB / 3.106 GB, free: 65.75 MB / 0.9044 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.6533/10.73, allocations: 96.19 MB / 3.2 GB, free: 361.4 MB / 0.9044 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01732/10.75, allocations: 5.944 MB / 3.206 GB, free: 359.9 MB / 0.9044 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.008936/10.76, allocations: 214.4 kB / 3.206 GB, free: 359.8 MB / 0.9044 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05469/10.81, allocations: 3.313 MB / 3.209 GB, free: 359.6 MB / 0.9044 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.006001/10.82, allocations: 0.8653 MB / 3.21 GB, free: 359.5 MB / 0.9044 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004136/10.82, allocations: 0.628 MB / 3.211 GB, free: 359.5 MB / 0.9044 GB
Notification: Performance of sorting global known variables: time 0.02553/10.85, allocations: 11.83 MB / 3.222 GB, free: 355.6 MB / 0.9044 GB
Notification: Performance of sort global known variables: time 7.12e-07/10.85, allocations: 0 / 3.222 GB, free: 355.6 MB / 0.9044 GB
Notification: Performance of remove unused functions: time 0.0941/10.94, allocations: 38.85 MB / 3.26 GB, free: 353.2 MB / 0.9044 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.006576/10.95, allocations: 2.033 MB / 3.262 GB, free: 351.9 MB / 0.9044 GB
Notification: Performance of simCode: created initialization part: time 0.195/11.15, allocations: 102.6 MB / 3.362 GB, free: 264.1 MB / 0.9044 GB
Notification: Performance of simCode: created event and clocks part: time 1.018e-05/11.15, allocations: 4 kB / 3.362 GB, free: 264.1 MB / 0.9044 GB
Notification: Performance of simCode: created simulation system equations: time 0.05723/11.2, allocations: 25.48 MB / 3.387 GB, free: 243 MB / 0.9044 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.06055/11.26, allocations: 7.913 MB / 3.395 GB, free: 235.8 MB / 0.9044 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09408/11.36, allocations: 54.5 MB / 3.448 GB, free: 182.3 MB / 0.9044 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01447/11.37, allocations: 10.45 MB / 3.458 GB, free: 172 MB / 0.9044 GB
Notification: Performance of simCode: alias equations: time 0.02926/11.4, allocations: 7.931 MB / 3.466 GB, free: 164.1 MB / 0.9044 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01196/11.41, allocations: 2.051 MB / 3.468 GB, free: 162 MB / 0.9044 GB
Notification: Performance of SimCode: time 1.132e-06/11.41, allocations: 0 / 3.468 GB, free: 162 MB / 0.9044 GB
Notification: Performance of Templates: time 2.02/13.43, allocations: 0.6461 GB / 4.114 GB, free: 340.6 MB / 0.9044 GB
make -j1 -f IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.makefile
(rm -f IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.sim & ./IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)