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 0.0013/0.0013, allocations: 104 kB / 16.4 MB, free: 6.508 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001297/0.001297, allocations: 196 kB / 17.34 MB, free: 5.742 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.259/1.259, allocations: 222.9 MB / 241 MB, free: 15.13 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.662/0.662, allocations: 115.3 MB / 406.5 MB, free: 6.141 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001123/0.001123, allocations: 70.47 kB / 0.5578 GB, free: 32.12 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1167/0.1179, allocations: 76.17 MB / 0.6321 GB, free: 4.316 MB / 478.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified3): time 0.618/0.7359, allocations: 357.7 MB / 0.9815 GB, free: 10.12 MB / 0.7325 GB
Notification: Performance of NFInst.instExpressions: time 0.5138/1.25, allocations: 75.86 MB / 1.056 GB, free: 28.89 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01708/1.267, allocations: 433.9 kB / 1.056 GB, free: 28.89 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.01889/1.286, allocations: 6.422 MB / 1.062 GB, free: 28.89 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.03762/1.324, allocations: 14.09 MB / 1.076 GB, free: 28.69 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02819/1.352, allocations: 10.19 MB / 1.086 GB, free: 28.41 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.09914/1.451, allocations: 74.19 MB / 1.158 GB, free: 18.87 MB / 0.795 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02782/1.479, allocations: 20 MB / 1.178 GB, free: 4.594 MB / 0.795 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03653/1.515, allocations: 17.41 MB / 1.195 GB, free: 7.926 MB / 0.8106 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03141/1.547, allocations: 16.39 MB / 1.211 GB, free: 9.645 MB / 0.8262 GB
Notification: Performance of NFPackage.collectConstants: time 0.008458/1.555, allocations: 1.953 MB / 1.213 GB, free: 7.691 MB / 0.8262 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02095/1.576, allocations: 6.049 MB / 1.219 GB, free: 1.914 MB / 0.8262 GB
Notification: Performance of NFScalarize.scalarize: time 0.01046/1.587, allocations: 6.499 MB / 1.225 GB, free: 11.65 MB / 0.8419 GB
Notification: Performance of NFVerifyModel.verify: time 0.02359/1.61, allocations: 11.19 MB / 1.236 GB, free: 0.6406 MB / 0.8419 GB
Notification: Performance of NFConvertDAE.convert: time 0.04618/1.657, allocations: 31.08 MB / 1.266 GB, free: 2.648 MB / 0.8731 GB
Notification: Performance of FrontEnd - DAE generated: time 4.709e-06/1.657, allocations: 0 / 1.266 GB, free: 2.648 MB / 0.8731 GB
Notification: Performance of FrontEnd: time 1.492e-06/1.657, allocations: 0 / 1.266 GB, free: 2.648 MB / 0.8731 GB
Notification: Performance of Transformations before backend: time 0.000944/1.658, allocations: 0 / 1.266 GB, free: 2.648 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 0.06741/1.725, allocations: 23.91 MB / 1.29 GB, free: 10.79 MB / 0.9044 GB
Notification: Performance of prepare preOptimizeDAE: time 3.976e-05/1.725, allocations: 8.031 kB / 1.29 GB, free: 10.79 MB / 0.9044 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01705/1.742, allocations: 3.2 MB / 1.293 GB, free: 7.559 MB / 0.9044 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04408/1.786, allocations: 20.85 MB / 1.313 GB, free: 3.012 MB / 0.92 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000674/1.787, allocations: 0.6684 MB / 1.314 GB, free: 2.352 MB / 0.92 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004087/1.791, allocations: 0.9422 MB / 1.315 GB, free: 1.414 MB / 0.92 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03562/1.827, allocations: 17.06 MB / 1.331 GB, free: 160 kB / 0.9356 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000277/1.827, allocations: 7.938 kB / 1.331 GB, free: 152 kB / 0.9356 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002815/1.83, allocations: 337.1 kB / 1.332 GB, free: 15.84 MB / 0.9512 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003606/1.83, allocations: 375.3 kB / 1.332 GB, free: 15.47 MB / 0.9512 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03773/1.868, allocations: 21.5 MB / 1.353 GB, free: 9.953 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 0.5951/2.463, allocations: 83.27 MB / 1.434 GB, free: 197 MB / 1.014 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02758/2.491, allocations: 13.02 MB / 1.447 GB, free: 196.7 MB / 1.014 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01401/2.505, allocations: 10.09 MB / 1.457 GB, free: 196.7 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 0.0621/2.567, allocations: 35.3 MB / 1.491 GB, free: 188.8 MB / 1.014 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0151/2.582, allocations: 10.15 MB / 1.501 GB, free: 188.6 MB / 1.014 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.01915/2.601, allocations: 5.813 MB / 1.507 GB, free: 188.6 MB / 1.014 GB
Notification: Performance of pre-optimization done (n=567): time 3.52e-05/2.601, allocations: 0 / 1.507 GB, free: 188.6 MB / 1.014 GB
Notification: Performance of matching and sorting (n=838): time 0.8672/3.468, allocations: 217.7 MB / 1.72 GB, free: 3.832 MB / 1.014 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1505/3.619, allocations: 55.89 MB / 1.774 GB, free: 11.03 MB / 1.076 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.4228/4.042, allocations: 17.79 MB / 1.792 GB, free: 0.5137 GB / 1.076 GB
Notification: Performance of collectPreVariables (initialization): time 0.004755/4.047, allocations: 227.4 kB / 1.792 GB, free: 0.5136 GB / 1.076 GB
Notification: Performance of collectInitialEqns (initialization): time 0.009704/4.056, allocations: 7.742 MB / 1.799 GB, free: 0.5104 GB / 1.076 GB
Notification: Performance of collectInitialBindings (initialization): time 0.008497/4.065, allocations: 3.007 MB / 1.802 GB, free: 0.5097 GB / 1.076 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01273/4.078, allocations: 3.992 MB / 1.806 GB, free: 0.5087 GB / 1.076 GB
Notification: Performance of setup shared object (initialization): time 4.173e-05/4.078, allocations: 302.2 kB / 1.807 GB, free: 0.5084 GB / 1.076 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02775/4.105, allocations: 20.28 MB / 1.826 GB, free: 0.5025 GB / 1.076 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03249/4.138, allocations: 23.1 MB / 1.849 GB, free: 0.4937 GB / 1.076 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.05903/4.197, allocations: 38.61 MB / 1.887 GB, free: 491.2 MB / 1.076 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001167/4.197, allocations: 14.19 kB / 1.887 GB, free: 491.2 MB / 1.076 GB
Notification: Performance of matching and sorting (n=1619) (initialization): time 0.6053/4.802, allocations: 134.5 MB / 2.018 GB, free: 359.9 MB / 1.076 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001163/4.803, allocations: 57.92 kB / 2.018 GB, free: 359.8 MB / 1.076 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001077/4.803, allocations: 57.31 kB / 2.018 GB, free: 359.8 MB / 1.076 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5616/5.364, allocations: 117.9 MB / 2.133 GB, free: 241.9 MB / 1.076 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01765/5.382, allocations: 3.553 MB / 2.137 GB, free: 238.3 MB / 1.076 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1376/5.52, allocations: 81.89 MB / 2.217 GB, free: 156.1 MB / 1.076 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0884/5.608, allocations: 6.444 MB / 2.223 GB, free: 149.6 MB / 1.076 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005774/5.614, allocations: 1.314 MB / 2.224 GB, free: 148.3 MB / 1.076 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03458/5.648, allocations: 23.66 MB / 2.247 GB, free: 124.6 MB / 1.076 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.02949/5.678, allocations: 22.59 MB / 2.269 GB, free: 101 MB / 1.076 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0502/5.728, allocations: 37.58 MB / 2.306 GB, free: 62.61 MB / 1.076 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.885e-05/5.728, allocations: 16 kB / 2.306 GB, free: 62.59 MB / 1.076 GB
Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 0.9853/6.714, allocations: 133 MB / 2.436 GB, free: 489.2 MB / 1.076 GB
Notification: Performance of prepare postOptimizeDAE: time 7.918e-05/6.714, allocations: 59.88 kB / 2.436 GB, free: 489.2 MB / 1.076 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.841e-05/6.714, allocations: 54.52 kB / 2.436 GB, free: 489.2 MB / 1.076 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5666/7.28, allocations: 117.6 MB / 2.551 GB, free: 389.1 MB / 1.076 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01783/7.298, allocations: 3.53 MB / 2.554 GB, free: 385.6 MB / 1.076 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1415/7.44, allocations: 86.13 MB / 2.639 GB, free: 299.4 MB / 1.076 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.08832/7.528, allocations: 6.485 MB / 2.645 GB, free: 292.9 MB / 1.076 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005769/7.534, allocations: 1.286 MB / 2.646 GB, free: 291.6 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 0.007522/7.542, allocations: 0.7667 MB / 2.647 GB, free: 290.8 MB / 1.076 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007349/7.549, allocations: 1.607 MB / 2.649 GB, free: 290.1 MB / 1.076 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2103/7.759, allocations: 60.75 MB / 2.708 GB, free: 229.4 MB / 1.076 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2131/7.972, allocations: 67.04 MB / 2.773 GB, free: 162.4 MB / 1.076 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001572/7.973, allocations: 31.94 kB / 2.773 GB, free: 162.4 MB / 1.076 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2064/8.179, allocations: 66.35 MB / 2.838 GB, free: 96.05 MB / 1.076 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.6629/8.842, allocations: 130.4 MB / 2.966 GB, free: 487 MB / 1.076 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.167e-05/8.842, allocations: 0 / 2.966 GB, free: 487 MB / 1.076 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01104/8.853, allocations: 1.985 MB / 2.967 GB, free: 486.9 MB / 1.076 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3222/9.175, allocations: 81.39 MB / 3.047 GB, free: 457 MB / 1.076 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0033/9.179, allocations: 0.5729 MB / 3.047 GB, free: 456.5 MB / 1.076 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.09478/9.273, allocations: 58.54 MB / 3.105 GB, free: 397.9 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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1002/9.374, allocations: 54.04 MB / 3.157 GB, free: 342.8 MB / 1.076 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2386/9.612, allocations: 96.18 MB / 3.251 GB, free: 247.5 MB / 1.076 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01471/9.627, allocations: 5.948 MB / 3.257 GB, free: 242.3 MB / 1.076 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007787/9.635, allocations: 215.9 kB / 3.257 GB, free: 242.1 MB / 1.076 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05031/9.685, allocations: 3.311 MB / 3.261 GB, free: 238.8 MB / 1.076 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005217/9.69, allocations: 0.8694 MB / 3.261 GB, free: 237.9 MB / 1.076 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003409/9.694, allocations: 0.6276 MB / 3.262 GB, free: 237.3 MB / 1.076 GB
Notification: Performance of sorting global known variables: time 0.02261/9.716, allocations: 12.16 MB / 3.274 GB, free: 225.2 MB / 1.076 GB
Notification: Performance of sort global known variables: time 9.92e-07/9.716, allocations: 6.672 kB / 3.274 GB, free: 225.2 MB / 1.076 GB
Notification: Performance of remove unused functions: time 0.08358/9.8, allocations: 38.69 MB / 3.312 GB, free: 186.6 MB / 1.076 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.006119/9.806, allocations: 1.934 MB / 3.314 GB, free: 184.8 MB / 1.076 GB
Notification: Performance of simCode: created initialization part: time 0.1157/9.922, allocations: 77.43 MB / 3.389 GB, free: 107.4 MB / 1.076 GB
Notification: Performance of simCode: created event and clocks part: time 1.069e-05/9.922, allocations: 0 / 3.389 GB, free: 107.4 MB / 1.076 GB
Notification: Performance of simCode: created simulation system equations: time 0.05002/9.972, allocations: 25.49 MB / 3.414 GB, free: 81.89 MB / 1.076 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05311/10.03, allocations: 7.979 MB / 3.422 GB, free: 74.26 MB / 1.076 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.07584/10.1, allocations: 53.83 MB / 3.474 GB, free: 20.32 MB / 1.076 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01166/10.11, allocations: 10.46 MB / 3.485 GB, free: 9.816 MB / 1.076 GB
Notification: Performance of simCode: alias equations: time 0.02385/10.14, allocations: 7.971 MB / 3.492 GB, free: 1.832 MB / 1.076 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.6236/10.76, allocations: 2.06 MB / 3.494 GB, free: 476.5 MB / 1.076 GB
Notification: Performance of SimCode: time 1.553e-06/10.76, allocations: 0 / 3.494 GB, free: 476.5 MB / 1.076 GB
Notification: Performance of Templates: time 1.128/11.89, allocations: 0.6412 GB / 4.136 GB, free: 448.6 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)