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 0.001241/0.001241, allocations: 104.5 kB / 16.4 MB, free: 6.461 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001225/0.001225, allocations: 197.8 kB / 17.34 MB, free: 5.715 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.43/1.43, allocations: 222.9 MB / 241 MB, free: 15.08 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7574/0.7574, allocations: 122.9 MB / 414.1 MB, free: 15.72 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001276/0.001276, allocations: 58.48 kB / 0.5686 GB, free: 28.54 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1741/0.1754, allocations: 77.94 MB / 0.6447 GB, free: 8.91 MB / 494.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified3): time 0.8883/1.064, allocations: 357.7 MB / 0.994 GB, free: 9.25 MB / 0.7481 GB
Notification: Performance of NFInst.instExpressions: time 0.7398/1.804, allocations: 75.83 MB / 1.068 GB, free: 31.62 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.02551/1.829, allocations: 432.2 kB / 1.068 GB, free: 31.62 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.02501/1.854, allocations: 6.438 MB / 1.075 GB, free: 31.61 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.04954/1.904, allocations: 14.09 MB / 1.089 GB, free: 31.15 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02761/1.931, allocations: 10.19 MB / 1.098 GB, free: 30.86 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.111/2.042, allocations: 74.2 MB / 1.171 GB, free: 14.21 MB / 0.795 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.03765/2.08, allocations: 20.01 MB / 1.19 GB, free: 13.48 MB / 0.8106 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.04732/2.128, allocations: 17.02 MB / 1.207 GB, free: 13.41 MB / 0.8262 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03481/2.162, allocations: 16.38 MB / 1.223 GB, free: 14.19 MB / 0.8419 GB
Notification: Performance of NFPackage.collectConstants: time 0.01105/2.173, allocations: 1.957 MB / 1.225 GB, free: 12.23 MB / 0.8419 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02894/2.202, allocations: 6.042 MB / 1.231 GB, free: 6.461 MB / 0.8419 GB
Notification: Performance of NFScalarize.scalarize: time 0.01516/2.218, allocations: 6.492 MB / 1.237 GB, free: 204 kB / 0.8419 GB
Notification: Performance of NFVerifyModel.verify: time 0.03308/2.251, allocations: 11.19 MB / 1.248 GB, free: 5.188 MB / 0.8575 GB
Notification: Performance of NFConvertDAE.convert: time 0.06791/2.319, allocations: 31.2 MB / 1.279 GB, free: 7.074 MB / 0.8887 GB
Notification: Performance of FrontEnd - DAE generated: time 7.283e-06/2.319, allocations: 0 / 1.279 GB, free: 7.074 MB / 0.8887 GB
Notification: Performance of FrontEnd: time 2.494e-06/2.319, allocations: 0 / 1.279 GB, free: 7.074 MB / 0.8887 GB
Notification: Performance of Transformations before backend: time 0.001141/2.32, allocations: 4 kB / 1.279 GB, free: 7.07 MB / 0.8887 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 0.08251/2.402, allocations: 24.55 MB / 1.303 GB, free: 14.63 MB / 0.92 GB
Notification: Performance of prepare preOptimizeDAE: time 4.759e-05/2.403, allocations: 8.625 kB / 1.303 GB, free: 14.62 MB / 0.92 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02457/2.427, allocations: 3.293 MB / 1.306 GB, free: 11.32 MB / 0.92 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0539/2.481, allocations: 21 MB / 1.326 GB, free: 6.629 MB / 0.9356 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009628/2.482, allocations: 0.6744 MB / 1.327 GB, free: 5.961 MB / 0.9356 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.006639/2.489, allocations: 0.9375 MB / 1.328 GB, free: 5.031 MB / 0.9356 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04832/2.537, allocations: 17.07 MB / 1.345 GB, free: 3.766 MB / 0.9512 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000276/2.537, allocations: 11.88 kB / 1.345 GB, free: 3.754 MB / 0.9512 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003705/2.541, allocations: 333.3 kB / 1.345 GB, free: 3.438 MB / 0.9512 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003895/2.542, allocations: 363.4 kB / 1.345 GB, free: 3.082 MB / 0.9512 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04527/2.587, allocations: 21.5 MB / 1.366 GB, free: 13.57 MB / 0.9825 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 0.5972/3.184, allocations: 83.39 MB / 1.448 GB, free: 460.8 MB / 1.014 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01994/3.204, allocations: 13.02 MB / 1.46 GB, free: 455.3 MB / 1.014 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01478/3.219, allocations: 10.08 MB / 1.47 GB, free: 450.9 MB / 1.014 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt evalFunc (simulation): time 0.06601/3.285, allocations: 35.33 MB / 1.505 GB, free: 426.6 MB / 1.014 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01637/3.301, allocations: 10.15 MB / 1.515 GB, free: 420.4 MB / 1.014 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02023/3.322, allocations: 5.825 MB / 1.52 GB, free: 416.9 MB / 1.014 GB
Notification: Performance of pre-optimization done (n=567): time 3.444e-05/3.322, allocations: 0 / 1.52 GB, free: 416.9 MB / 1.014 GB
Notification: Performance of matching and sorting (n=838): time 0.8986/4.22, allocations: 218.1 MB / 1.733 GB, free: 200.5 MB / 1.014 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1271/4.347, allocations: 55.96 MB / 1.788 GB, free: 143.5 MB / 1.014 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03035/4.378, allocations: 17.81 MB / 1.805 GB, free: 125.8 MB / 1.014 GB
Notification: Performance of collectPreVariables (initialization): time 0.003979/4.382, allocations: 227.3 kB / 1.806 GB, free: 125.6 MB / 1.014 GB
Notification: Performance of collectInitialEqns (initialization): time 0.008149/4.39, allocations: 7.839 MB / 1.813 GB, free: 117.8 MB / 1.014 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0081/4.398, allocations: 3.145 MB / 1.816 GB, free: 114.6 MB / 1.014 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0141/4.412, allocations: 4.003 MB / 1.82 GB, free: 110.6 MB / 1.014 GB
Notification: Performance of setup shared object (initialization): time 4.156e-05/4.412, allocations: 301.1 kB / 1.821 GB, free: 110.3 MB / 1.014 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02853/4.441, allocations: 20.27 MB / 1.84 GB, free: 90.04 MB / 1.014 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03256/4.473, allocations: 23.1 MB / 1.863 GB, free: 65.9 MB / 1.014 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0619/4.535, allocations: 38.59 MB / 1.901 GB, free: 26.5 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.422e-05/4.535, allocations: 23.94 kB / 1.901 GB, free: 26.47 MB / 1.014 GB
Notification: Performance of matching and sorting (n=1619) (initialization): time 1.025/5.561, allocations: 134.6 MB / 2.032 GB, free: 412.3 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001045/5.561, allocations: 61.62 kB / 2.032 GB, free: 412.3 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001185/5.561, allocations: 52 kB / 2.032 GB, free: 412.2 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5974/6.158, allocations: 118 MB / 2.147 GB, free: 294.6 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01874/6.177, allocations: 3.553 MB / 2.151 GB, free: 291.1 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1427/6.32, allocations: 81.9 MB / 2.231 GB, free: 209.1 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09289/6.413, allocations: 6.452 MB / 2.237 GB, free: 202.7 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006514/6.419, allocations: 1.314 MB / 2.238 GB, free: 201.4 MB / 1.014 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04093/6.46, allocations: 23.67 MB / 2.262 GB, free: 177.7 MB / 1.014 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03268/6.493, allocations: 22.59 MB / 2.284 GB, free: 154.1 MB / 1.014 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05816/6.551, allocations: 37.58 MB / 2.32 GB, free: 115.7 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.76e-05/6.551, allocations: 16 kB / 2.32 GB, free: 115.6 MB / 1.014 GB
Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 1.013/7.564, allocations: 133.1 MB / 2.45 GB, free: 420.8 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 6.935e-05/7.564, allocations: 61.53 kB / 2.45 GB, free: 420.7 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.091e-05/7.565, allocations: 51.06 kB / 2.45 GB, free: 420.7 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.589/8.154, allocations: 117.6 MB / 2.565 GB, free: 363.5 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01765/8.171, allocations: 3.534 MB / 2.569 GB, free: 360.1 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1418/8.313, allocations: 86.16 MB / 2.653 GB, free: 273.9 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09417/8.407, allocations: 6.487 MB / 2.659 GB, free: 267.5 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006464/8.414, allocations: 1.295 MB / 2.66 GB, free: 266.2 MB / 1.014 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 0.0085/8.422, allocations: 0.7559 MB / 2.661 GB, free: 265.4 MB / 1.014 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009482/8.432, allocations: 1.698 MB / 2.663 GB, free: 264.7 MB / 1.014 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2162/8.648, allocations: 60.76 MB / 2.722 GB, free: 204.2 MB / 1.014 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.213/8.861, allocations: 67.03 MB / 2.788 GB, free: 137.2 MB / 1.014 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001288/8.861, allocations: 31.94 kB / 2.788 GB, free: 137.2 MB / 1.014 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2003/9.062, allocations: 66.36 MB / 2.852 GB, free: 70.85 MB / 1.014 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.7256/9.787, allocations: 130.4 MB / 2.98 GB, free: 407.2 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001026/9.787, allocations: 6.25 kB / 2.98 GB, free: 407.2 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01157/9.799, allocations: 1.974 MB / 2.982 GB, free: 407.1 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3345/10.13, allocations: 81.4 MB / 3.061 GB, free: 354.9 MB / 1.014 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003714/10.14, allocations: 0.5651 MB / 3.062 GB, free: 354.3 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1011/10.24, allocations: 58.56 MB / 3.119 GB, free: 295.8 MB / 1.014 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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1055/10.34, allocations: 54.1 MB / 3.172 GB, free: 240.7 MB / 1.014 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2449/10.59, allocations: 96.27 MB / 3.266 GB, free: 145.4 MB / 1.014 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01646/10.61, allocations: 6.035 MB / 3.272 GB, free: 140.3 MB / 1.014 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.008231/10.61, allocations: 208 kB / 3.272 GB, free: 140.1 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05317/10.67, allocations: 3.317 MB / 3.275 GB, free: 136.8 MB / 1.014 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.004918/10.67, allocations: 0.8616 MB / 3.276 GB, free: 135.9 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.002957/10.67, allocations: 0.6276 MB / 3.277 GB, free: 135.3 MB / 1.014 GB
Notification: Performance of sorting global known variables: time 0.02307/10.7, allocations: 12.16 MB / 3.288 GB, free: 123.2 MB / 1.014 GB
Notification: Performance of sort global known variables: time 3.21e-07/10.7, allocations: 0 / 3.288 GB, free: 123.2 MB / 1.014 GB
Notification: Performance of remove unused functions: time 0.08675/10.78, allocations: 38.71 MB / 3.326 GB, free: 84.54 MB / 1.014 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.007177/10.79, allocations: 1.956 MB / 3.328 GB, free: 82.72 MB / 1.014 GB
Notification: Performance of simCode: created initialization part: time 0.1293/10.92, allocations: 77.47 MB / 3.404 GB, free: 5.273 MB / 1.014 GB
Notification: Performance of simCode: created event and clocks part: time 1.004e-05/10.92, allocations: 4 kB / 3.404 GB, free: 5.27 MB / 1.014 GB
Notification: Performance of simCode: created simulation system equations: time 0.428/11.35, allocations: 25.49 MB / 3.429 GB, free: 438 MB / 1.014 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.06042/11.41, allocations: 7.988 MB / 3.437 GB, free: 437.2 MB / 1.014 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09318/11.5, allocations: 54.49 MB / 3.49 GB, free: 416.7 MB / 1.014 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01747/11.52, allocations: 10.46 MB / 3.5 GB, free: 414.4 MB / 1.014 GB
Notification: Performance of simCode: alias equations: time 0.0327/11.55, allocations: 7.974 MB / 3.508 GB, free: 410.3 MB / 1.014 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01363/11.57, allocations: 2.055 MB / 3.51 GB, free: 409.1 MB / 1.014 GB
Notification: Performance of SimCode: time 1.783e-06/11.57, allocations: 0 / 3.51 GB, free: 409.1 MB / 1.014 GB
Notification: Performance of Templates: time 1.644/13.21, allocations: 0.6413 GB / 4.151 GB, free: 229.4 MB / 1.014 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)