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 0.001781/0.001781, allocations: 101.4 kB / 16.4 MB, free: 6.484 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001296/0.001296, allocations: 195.8 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 1.356/1.356, allocations: 222.9 MB / 241 MB, free: 15.16 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7352/0.7352, allocations: 115.3 MB / 406.5 MB, free: 6.203 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.00127/0.001271, allocations: 65.77 kB / 0.5578 GB, free: 32.14 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1777/0.1789, allocations: 76.19 MB / 0.6322 GB, free: 4.344 MB / 478.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified3): time 0.8171/0.9961, allocations: 357.7 MB / 0.9815 GB, free: 10.16 MB / 0.7325 GB
Notification: Performance of NFInst.instExpressions: time 0.6117/1.608, allocations: 75.86 MB / 1.056 GB, free: 28.79 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01813/1.626, allocations: 432.6 kB / 1.056 GB, free: 28.79 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.01993/1.646, allocations: 6.427 MB / 1.062 GB, free: 28.79 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.04498/1.691, allocations: 14.1 MB / 1.076 GB, free: 28.59 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02543/1.716, allocations: 10.19 MB / 1.086 GB, free: 28.31 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.09903/1.816, allocations: 74.18 MB / 1.158 GB, free: 18.86 MB / 0.795 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02811/1.844, allocations: 20.02 MB / 1.178 GB, free: 4.578 MB / 0.795 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03935/1.883, allocations: 17.4 MB / 1.195 GB, free: 7.922 MB / 0.8106 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03522/1.918, allocations: 16.39 MB / 1.211 GB, free: 9.699 MB / 0.8262 GB
Notification: Performance of NFPackage.collectConstants: time 0.01079/1.929, allocations: 1.953 MB / 1.213 GB, free: 7.746 MB / 0.8262 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0224/1.952, allocations: 6.045 MB / 1.219 GB, free: 1.973 MB / 0.8262 GB
Notification: Performance of NFScalarize.scalarize: time 0.01217/1.964, allocations: 6.493 MB / 1.225 GB, free: 11.71 MB / 0.8419 GB
Notification: Performance of NFVerifyModel.verify: time 0.02533/1.989, allocations: 11.19 MB / 1.236 GB, free: 0.6992 MB / 0.8419 GB
Notification: Performance of NFConvertDAE.convert: time 0.05302/2.042, allocations: 31.09 MB / 1.266 GB, free: 2.699 MB / 0.8731 GB
Notification: Performance of FrontEnd - DAE generated: time 5.651e-06/2.042, allocations: 0 / 1.266 GB, free: 2.699 MB / 0.8731 GB
Notification: Performance of FrontEnd: time 2.044e-06/2.042, allocations: 0 / 1.266 GB, free: 2.699 MB / 0.8731 GB
Notification: Performance of Transformations before backend: time 0.0009773/2.043, allocations: 0 / 1.266 GB, free: 2.699 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: 2045
 * Number of variables: 2045
Notification: Performance of Generate backend data structure: time 0.06904/2.112, allocations: 23.9 MB / 1.29 GB, free: 10.85 MB / 0.9044 GB
Notification: Performance of prepare preOptimizeDAE: time 4.393e-05/2.112, allocations: 8.031 kB / 1.29 GB, free: 10.84 MB / 0.9044 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01797/2.13, allocations: 3.193 MB / 1.293 GB, free: 7.621 MB / 0.9044 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.05128/2.182, allocations: 20.86 MB / 1.313 GB, free: 3.062 MB / 0.92 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008437/2.183, allocations: 0.6688 MB / 1.314 GB, free: 2.402 MB / 0.92 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004909/2.187, allocations: 0.9424 MB / 1.315 GB, free: 1.465 MB / 0.92 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04616/2.234, allocations: 17.06 MB / 1.331 GB, free: 212 kB / 0.9356 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0004157/2.234, allocations: 7.938 kB / 1.331 GB, free: 204 kB / 0.9356 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004079/2.238, allocations: 330.5 kB / 1.332 GB, free: 15.88 MB / 0.9512 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004287/2.239, allocations: 375.2 kB / 1.332 GB, free: 15.52 MB / 0.9512 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04893/2.288, allocations: 21.5 MB / 1.353 GB, free: 10 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 0.7697/3.057, allocations: 83.29 MB / 1.434 GB, free: 196.7 MB / 1.014 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02378/3.081, allocations: 13.02 MB / 1.447 GB, free: 196.3 MB / 1.014 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01519/3.096, allocations: 10.08 MB / 1.457 GB, free: 196.3 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 0.07687/3.173, allocations: 35.3 MB / 1.492 GB, free: 188.4 MB / 1.014 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0233/3.197, allocations: 10.15 MB / 1.501 GB, free: 188.2 MB / 1.014 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02323/3.22, allocations: 5.814 MB / 1.507 GB, free: 188.2 MB / 1.014 GB
Notification: Performance of pre-optimization done (n=567): time 5.302e-05/3.22, allocations: 0 / 1.507 GB, free: 188.2 MB / 1.014 GB
Notification: Performance of matching and sorting (n=838): time 0.9519/4.172, allocations: 217.7 MB / 1.72 GB, free: 3.73 MB / 1.014 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1622/4.334, allocations: 55.9 MB / 1.774 GB, free: 10.89 MB / 1.076 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.4888/4.823, allocations: 17.78 MB / 1.792 GB, free: 0.5134 GB / 1.076 GB
Notification: Performance of collectPreVariables (initialization): time 0.004455/4.828, allocations: 223.4 kB / 1.792 GB, free: 0.5133 GB / 1.076 GB
Notification: Performance of collectInitialEqns (initialization): time 0.01185/4.839, allocations: 7.745 MB / 1.799 GB, free: 0.5101 GB / 1.076 GB
Notification: Performance of collectInitialBindings (initialization): time 0.009405/4.849, allocations: 3.01 MB / 1.802 GB, free: 0.5093 GB / 1.076 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01733/4.866, allocations: 3.995 MB / 1.806 GB, free: 0.5084 GB / 1.076 GB
Notification: Performance of setup shared object (initialization): time 4.571e-05/4.866, allocations: 307.3 kB / 1.807 GB, free: 0.5081 GB / 1.076 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.03091/4.897, allocations: 20.27 MB / 1.826 GB, free: 0.5022 GB / 1.076 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03544/4.933, allocations: 23.1 MB / 1.849 GB, free: 0.4933 GB / 1.076 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.06193/4.995, allocations: 38.61 MB / 1.887 GB, free: 490.9 MB / 1.076 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001026/4.995, allocations: 16.47 kB / 1.887 GB, free: 490.9 MB / 1.076 GB
Notification: Performance of matching and sorting (n=1619) (initialization): time 0.6218/5.617, allocations: 134.5 MB / 2.018 GB, free: 359.8 MB / 1.076 GB
Notification: Performance of prepare postOptimizeDAE: time 8.35e-05/5.617, allocations: 53.89 kB / 2.018 GB, free: 359.7 MB / 1.076 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.242e-05/5.617, allocations: 56 kB / 2.018 GB, free: 359.7 MB / 1.076 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6007/6.217, allocations: 117.9 MB / 2.133 GB, free: 241.8 MB / 1.076 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01837/6.236, allocations: 3.549 MB / 2.137 GB, free: 238.2 MB / 1.076 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1385/6.374, allocations: 81.89 MB / 2.217 GB, free: 156 MB / 1.076 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09758/6.472, allocations: 6.436 MB / 2.223 GB, free: 149.5 MB / 1.076 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00707/6.479, allocations: 1.318 MB / 2.224 GB, free: 148.2 MB / 1.076 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03998/6.519, allocations: 23.67 MB / 2.247 GB, free: 124.5 MB / 1.076 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03393/6.553, allocations: 22.58 MB / 2.269 GB, free: 100.9 MB / 1.076 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05852/6.612, allocations: 37.58 MB / 2.306 GB, free: 62.49 MB / 1.076 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.865e-05/6.612, allocations: 19.98 kB / 2.306 GB, free: 62.47 MB / 1.076 GB
Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 1.03/7.641, allocations: 133 MB / 2.436 GB, free: 488.7 MB / 1.076 GB
Notification: Performance of prepare postOptimizeDAE: time 6.793e-05/7.642, allocations: 55.2 kB / 2.436 GB, free: 488.7 MB / 1.076 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.669e-05/7.642, allocations: 51.34 kB / 2.436 GB, free: 488.7 MB / 1.076 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6196/8.261, allocations: 117.6 MB / 2.551 GB, free: 388.9 MB / 1.076 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01693/8.278, allocations: 3.542 MB / 2.555 GB, free: 385.5 MB / 1.076 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.144/8.422, allocations: 86.12 MB / 2.639 GB, free: 299.2 MB / 1.076 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09439/8.517, allocations: 6.49 MB / 2.645 GB, free: 292.7 MB / 1.076 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005738/8.522, allocations: 1.282 MB / 2.646 GB, free: 291.4 MB / 1.076 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 237
 * 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 (1171):
 * Single equations (assignments): 1151
 * Array equations: 6
 * Algorithm blocks: 1
 * Record equations: 4
 * 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 0.008813/8.531, allocations: 0.7681 MB / 2.647 GB, free: 290.7 MB / 1.076 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.01185/8.543, allocations: 1.607 MB / 2.649 GB, free: 289.9 MB / 1.076 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2154/8.759, allocations: 60.74 MB / 2.708 GB, free: 229.3 MB / 1.076 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2169/8.976, allocations: 67.05 MB / 2.773 GB, free: 162.3 MB / 1.076 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001301/8.976, allocations: 35 kB / 2.773 GB, free: 162.2 MB / 1.076 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2053/9.181, allocations: 66.35 MB / 2.838 GB, free: 95.89 MB / 1.076 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.765/9.946, allocations: 130.4 MB / 2.966 GB, free: 486.7 MB / 1.076 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.469e-05/9.946, allocations: 8.906 kB / 2.966 GB, free: 486.7 MB / 1.076 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01189/9.958, allocations: 1.975 MB / 2.967 GB, free: 486.6 MB / 1.076 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3448/10.3, allocations: 81.39 MB / 3.047 GB, free: 456.8 MB / 1.076 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003397/10.31, allocations: 0.5729 MB / 3.047 GB, free: 456.3 MB / 1.076 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1025/10.41, allocations: 58.53 MB / 3.105 GB, free: 397.7 MB / 1.076 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 + (-bou.ports[1].m_flow) - valHea.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 + (-bou.ports[1].m_flow) - valHea.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 + (-bou.ports.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valHea.m_flow.$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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1126/10.52, allocations: 54.04 MB / 3.157 GB, free: 342.6 MB / 1.076 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2494/10.77, allocations: 96.17 MB / 3.251 GB, free: 247.3 MB / 1.076 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01599/10.79, allocations: 5.948 MB / 3.257 GB, free: 242.1 MB / 1.076 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007415/10.79, allocations: 215.9 kB / 3.257 GB, free: 241.9 MB / 1.076 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05474/10.85, allocations: 3.315 MB / 3.261 GB, free: 238.6 MB / 1.076 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005327/10.85, allocations: 0.8733 MB / 3.261 GB, free: 237.7 MB / 1.076 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003124/10.86, allocations: 0.6276 MB / 3.262 GB, free: 237.1 MB / 1.076 GB
Notification: Performance of sorting global known variables: time 0.02372/10.88, allocations: 12.16 MB / 3.274 GB, free: 225 MB / 1.076 GB
Notification: Performance of sort global known variables: time 6.51e-07/10.88, allocations: 0 / 3.274 GB, free: 225 MB / 1.076 GB
Notification: Performance of remove unused functions: time 0.09257/10.97, allocations: 38.69 MB / 3.312 GB, free: 186.4 MB / 1.076 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.006417/10.98, allocations: 1.938 MB / 3.314 GB, free: 184.7 MB / 1.076 GB
Notification: Performance of simCode: created initialization part: time 0.132/11.11, allocations: 77.45 MB / 3.389 GB, free: 107.2 MB / 1.076 GB
Notification: Performance of simCode: created event and clocks part: time 1.002e-05/11.11, allocations: 4.312 kB / 3.389 GB, free: 107.2 MB / 1.076 GB
Notification: Performance of simCode: created simulation system equations: time 0.05629/11.17, allocations: 25.48 MB / 3.414 GB, free: 81.7 MB / 1.076 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05848/11.23, allocations: 7.967 MB / 3.422 GB, free: 74.07 MB / 1.076 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0978/11.33, allocations: 53.83 MB / 3.474 GB, free: 20.13 MB / 1.076 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01966/11.35, allocations: 10.46 MB / 3.485 GB, free: 9.625 MB / 1.076 GB
Notification: Performance of simCode: alias equations: time 0.034/11.38, allocations: 7.971 MB / 3.492 GB, free: 1.641 MB / 1.076 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.3823/11.76, allocations: 2.056 MB / 3.494 GB, free: 476.3 MB / 1.076 GB
Notification: Performance of SimCode: time 1.463e-06/11.76, allocations: 3.828 kB / 3.494 GB, free: 476.3 MB / 1.076 GB
Notification: Performance of Templates: time 1.782/13.54, allocations: 0.6577 GB / 4.152 GB, free: 439.5 MB / 1.076 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)