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 0.001237/0.001237, allocations: 108.1 kB / 17.04 MB, free: 6.078 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001195/0.001195, allocations: 196 kB / 17.98 MB, free: 5.16 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.254/1.254, allocations: 222.9 MB / 241.7 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 0.6836/0.6836, allocations: 115.1 MB / 406.9 MB, free: 6.344 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001253/0.001253, allocations: 63.91 kB / 494.8 MB, free: 15.84 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.335/0.3363, allocations: 76.14 MB / 0.5576 GB, free: 36.51 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified3): time 0.5564/0.8927, allocations: 357.7 MB / 0.9069 GB, free: 9.098 MB / 0.6075 GB
Notification: Performance of NFInst.instExpressions: time 0.09894/0.9916, allocations: 75.84 MB / 0.981 GB, free: 13.07 MB / 0.6856 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01359/1.005, allocations: 441.4 kB / 0.9814 GB, free: 12.64 MB / 0.6856 GB
Notification: Performance of NFTyping.typeComponents: time 0.03866/1.044, allocations: 23.47 MB / 1.004 GB, free: 5.117 MB / 0.7012 GB
Notification: Performance of NFTyping.typeBindings: time 0.03698/1.081, allocations: 14.04 MB / 1.018 GB, free: 7.027 MB / 0.7169 GB
Notification: Performance of NFTyping.typeClassSections: time 0.3711/1.452, allocations: 10.15 MB / 1.028 GB, free: 33.75 MB / 0.7169 GB
Notification: Performance of NFFlatten.flatten: time 0.08386/1.536, allocations: 74.03 MB / 1.1 GB, free: 33.02 MB / 0.7169 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0238/1.56, allocations: 19.96 MB / 1.12 GB, free: 23.5 MB / 0.7169 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.02975/1.59, allocations: 16.99 MB / 1.136 GB, free: 12.4 MB / 0.7169 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.02587/1.616, allocations: 16.34 MB / 1.152 GB, free: 0.7734 MB / 0.7169 GB
Notification: Performance of NFPackage.collectConstants: time 0.006984/1.623, allocations: 1.945 MB / 1.154 GB, free: 14.82 MB / 0.7325 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01841/1.641, allocations: 6.028 MB / 1.16 GB, free: 10.46 MB / 0.7325 GB
Notification: Performance of NFScalarize.scalarize: time 0.009637/1.651, allocations: 6.48 MB / 1.166 GB, free: 6.559 MB / 0.7325 GB
Notification: Performance of NFVerifyModel.verify: time 0.02271/1.673, allocations: 11.17 MB / 1.177 GB, free: 14.7 MB / 0.7481 GB
Notification: Performance of NFConvertDAE.convert: time 0.04657/1.72, allocations: 30.99 MB / 1.208 GB, free: 0.9141 MB / 0.7637 GB
Notification: Performance of FrontEnd - DAE generated: time 7.865e-06/1.72, allocations: 0 / 1.208 GB, free: 0.9141 MB / 0.7637 GB
Notification: Performance of FrontEnd: time 1.954e-06/1.72, allocations: 0 / 1.208 GB, free: 0.9141 MB / 0.7637 GB
Notification: Performance of Transformations before backend: time 0.0008786/1.721, allocations: 0 / 1.208 GB, free: 0.9141 MB / 0.7637 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 0.06687/1.788, allocations: 23.86 MB / 1.231 GB, free: 9.207 MB / 0.795 GB
Notification: Performance of prepare preOptimizeDAE: time 4.676e-05/1.788, allocations: 8.031 kB / 1.231 GB, free: 9.199 MB / 0.795 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01798/1.806, allocations: 3.189 MB / 1.234 GB, free: 5.984 MB / 0.795 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04658/1.852, allocations: 20.36 MB / 1.254 GB, free: 2.137 MB / 0.8106 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007516/1.853, allocations: 0.6711 MB / 1.255 GB, free: 1.473 MB / 0.8106 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004769/1.858, allocations: 0.943 MB / 1.255 GB, free: 0.5391 MB / 0.8106 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04123/1.899, allocations: 17.07 MB / 1.272 GB, free: 15.3 MB / 0.8419 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0003912/1.9, allocations: 19.41 kB / 1.272 GB, free: 15.29 MB / 0.8419 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003706/1.903, allocations: 328 kB / 1.272 GB, free: 14.98 MB / 0.8419 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003993/1.904, allocations: 370.7 kB / 1.273 GB, free: 14.62 MB / 0.8419 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03934/1.943, allocations: 21.5 MB / 1.294 GB, free: 9.152 MB / 0.8575 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 0.38/2.323, allocations: 83.23 MB / 1.375 GB, free: 410.4 MB / 0.8887 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01961/2.343, allocations: 13.02 MB / 1.388 GB, free: 404.9 MB / 0.8887 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01519/2.358, allocations: 10.02 MB / 1.398 GB, free: 400.2 MB / 0.8887 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 0.06902/2.427, allocations: 35.28 MB / 1.432 GB, free: 376 MB / 0.8887 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0164/2.444, allocations: 10.16 MB / 1.442 GB, free: 369.8 MB / 0.8887 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.01835/2.462, allocations: 5.809 MB / 1.448 GB, free: 365.4 MB / 0.8887 GB
Notification: Performance of pre-optimization done (n=567): time 3.202e-05/2.462, allocations: 0 / 1.448 GB, free: 365.4 MB / 0.8887 GB
Notification: Performance of matching and sorting (n=838): time 0.7872/3.249, allocations: 217.7 MB / 1.66 GB, free: 149 MB / 0.8887 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.119/3.368, allocations: 55.9 MB / 1.715 GB, free: 92.04 MB / 0.8887 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02405/3.392, allocations: 17.35 MB / 1.732 GB, free: 74.81 MB / 0.8887 GB
Notification: Performance of collectPreVariables (initialization): time 0.003589/3.396, allocations: 229.6 kB / 1.732 GB, free: 74.58 MB / 0.8887 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0067/3.403, allocations: 7.748 MB / 1.739 GB, free: 66.85 MB / 0.8887 GB
Notification: Performance of collectInitialBindings (initialization): time 0.007186/3.41, allocations: 3.003 MB / 1.742 GB, free: 63.87 MB / 0.8887 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01358/3.424, allocations: 3.991 MB / 1.746 GB, free: 59.86 MB / 0.8887 GB
Notification: Performance of setup shared object (initialization): time 3.431e-05/3.424, allocations: 301.1 kB / 1.747 GB, free: 59.57 MB / 0.8887 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02723/3.451, allocations: 20.27 MB / 1.766 GB, free: 39.27 MB / 0.8887 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03137/3.482, allocations: 23.1 MB / 1.789 GB, free: 15.13 MB / 0.8887 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.3792/3.862, allocations: 38.59 MB / 1.827 GB, free: 388.3 MB / 0.8887 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.46e-05/3.862, allocations: 13.81 kB / 1.827 GB, free: 388.3 MB / 0.8887 GB
Notification: Performance of matching and sorting (n=1619) (initialization): time 0.526/4.388, allocations: 134.6 MB / 1.958 GB, free: 313.4 MB / 0.8887 GB
Notification: Performance of prepare postOptimizeDAE: time 7.441e-05/4.388, allocations: 53.7 kB / 1.958 GB, free: 313.4 MB / 0.8887 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.65e-05/4.388, allocations: 52 kB / 1.958 GB, free: 313.3 MB / 0.8887 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.506/4.894, allocations: 117.9 MB / 2.073 GB, free: 195.7 MB / 0.8887 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01694/4.911, allocations: 3.553 MB / 2.077 GB, free: 192.2 MB / 0.8887 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.14/5.051, allocations: 81.9 MB / 2.157 GB, free: 110.2 MB / 0.8887 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.07239/5.123, allocations: 6.434 MB / 2.163 GB, free: 103.7 MB / 0.8887 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007024/5.13, allocations: 1.314 MB / 2.164 GB, free: 102.4 MB / 0.8887 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03363/5.164, allocations: 23.67 MB / 2.187 GB, free: 78.74 MB / 0.8887 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.02707/5.191, allocations: 22.58 MB / 2.21 GB, free: 55.12 MB / 0.8887 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04976/5.241, allocations: 37.59 MB / 2.246 GB, free: 16.72 MB / 0.8887 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.129e-05/5.241, allocations: 16 kB / 2.246 GB, free: 16.71 MB / 0.8887 GB
Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 0.7745/6.015, allocations: 133 MB / 2.376 GB, free: 336.8 MB / 0.8887 GB
Notification: Performance of prepare postOptimizeDAE: time 7.066e-05/6.016, allocations: 53.7 kB / 2.376 GB, free: 336.7 MB / 0.8887 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.853e-05/6.016, allocations: 52 kB / 2.376 GB, free: 336.7 MB / 0.8887 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5061/6.522, allocations: 117.6 MB / 2.491 GB, free: 219.4 MB / 0.8887 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01596/6.538, allocations: 3.529 MB / 2.495 GB, free: 215.9 MB / 0.8887 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1273/6.665, allocations: 86.12 MB / 2.579 GB, free: 129.6 MB / 0.8887 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.07315/6.738, allocations: 6.472 MB / 2.585 GB, free: 123.2 MB / 0.8887 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005666/6.744, allocations: 1.286 MB / 2.586 GB, free: 121.9 MB / 0.8887 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 0.006631/6.751, allocations: 0.7684 MB / 2.587 GB, free: 121.1 MB / 0.8887 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006824/6.757, allocations: 1.61 MB / 2.589 GB, free: 120.4 MB / 0.8887 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1818/6.939, allocations: 60.75 MB / 2.648 GB, free: 59.71 MB / 0.8887 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.4699/7.409, allocations: 67.03 MB / 2.713 GB, free: 362.9 MB / 0.8887 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001252/7.409, allocations: 30.72 kB / 2.713 GB, free: 362.9 MB / 0.8887 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.181/7.59, allocations: 66.37 MB / 2.778 GB, free: 353.1 MB / 0.8887 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2481/7.839, allocations: 130.4 MB / 2.905 GB, free: 244.7 MB / 0.8887 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.528e-05/7.839, allocations: 3.75 kB / 2.905 GB, free: 244.7 MB / 0.8887 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01046/7.849, allocations: 1.973 MB / 2.907 GB, free: 242.8 MB / 0.8887 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.2847/8.134, allocations: 81.4 MB / 2.987 GB, free: 161.5 MB / 0.8887 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003657/8.138, allocations: 0.569 MB / 2.987 GB, free: 160.9 MB / 0.8887 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.08939/8.227, allocations: 58.53 MB / 3.045 GB, free: 102.3 MB / 0.8887 GB
Warning: The linear system: 
1 : valNorth.res1.m_flow + valSouth.res1.m_flow + (-valHea.m_flow) - valCoo.m_flow = 0.0
2 : 0.0 = spl1.res1.m_flow + (-valHea.m_flow) - bou.ports[1].m_flow
3 : valCoo.m_flow + spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsSouth1[2].m_flow) - tabsSouth1[1].m_flow - tabsSouth1[3].m_flow - tabsSouth1[4].m_flow - tabsSouth2[1].m_flow - tabsSouth2[2].m_flow - tabsSouth2[3].m_flow - tabsSouth2[4].m_flow - tabsSouth2[5].m_flow - tabsSouth2[6].m_flow - tabsSouth2[7].m_flow - tabsSouth2[8].m_flow - tabsNorth1[1].m_flow - tabsNorth1[2].m_flow - tabsNorth1[3].m_flow - tabsNorth1[4].m_flow - tabsNorth2[1].m_flow - tabsNorth2[2].m_flow - tabsNorth2[3].m_flow - tabsNorth2[4].m_flow - tabsNorth2[5].m_flow - tabsNorth2[6].m_flow - tabsNorth2[8].m_flow - tabsNorth2[7].m_flow = 0.0
[
  -1.0 , 0.0 , -1.0 ;
  0.0 , -1.0 , 1.0 ;
  1.0 , 1.0 , 0.0
]
  *
[
  valCoo.m_flow ;
  spl1.res1.m_flow ;
  valHea.m_flow
]
  =
[
  (-valNorth.res1.m_flow) - valSouth.res1.m_flow ;
  -bou.ports[1].m_flow ;
  tabsSouth1[2].m_flow + tabsNorth2[8].m_flow + tabsNorth2[7].m_flow + tabsNorth2[6].m_flow + tabsNorth2[5].m_flow + tabsNorth2[4].m_flow + tabsNorth2[3].m_flow + tabsNorth2[2].m_flow + tabsNorth2[1].m_flow + tabsNorth1[4].m_flow + tabsNorth1[3].m_flow + tabsNorth1[2].m_flow + tabsNorth1[1].m_flow + tabsSouth2[8].m_flow + tabsSouth2[7].m_flow + tabsSouth2[6].m_flow + tabsSouth2[5].m_flow + tabsSouth2[4].m_flow + tabsSouth2[3].m_flow + tabsSouth2[2].m_flow + tabsSouth2[1].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[1].m_flow + (-valSouth.res3.m_flow) - valNorth.res3.m_flow
]
 might be structurally or numerically singular for variable valHea.m_flow since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valCoo.m_flow + spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsSouth1[2].m_flow) - tabsSouth1[1].m_flow - tabsSouth1[3].m_flow - tabsSouth1[4].m_flow - tabsSouth2[1].m_flow - tabsSouth2[2].m_flow - tabsSouth2[3].m_flow - tabsSouth2[4].m_flow - tabsSouth2[5].m_flow - tabsSouth2[6].m_flow - tabsSouth2[7].m_flow - tabsSouth2[8].m_flow - tabsNorth1[1].m_flow - tabsNorth1[2].m_flow - tabsNorth1[3].m_flow - tabsNorth1[4].m_flow - tabsNorth2[1].m_flow - tabsNorth2[2].m_flow - tabsNorth2[3].m_flow - tabsNorth2[4].m_flow - tabsNorth2[5].m_flow - tabsNorth2[6].m_flow - tabsNorth2[8].m_flow - tabsNorth2[7].m_flow = 0.0
2 : 0.0 = spl1.res1.m_flow + (-valHea.m_flow) - bou.ports[1].m_flow
3 : valNorth.res1.m_flow + valSouth.res1.m_flow + (-valHea.m_flow) - valCoo.m_flow = 0.0
[
  1.0 , 0.0 , 1.0 ;
  0.0 , 1.0 , -1.0 ;
  -1.0 , -1.0 , 0.0
]
  *
[
  valCoo.m_flow ;
  valHea.m_flow ;
  spl1.res1.m_flow
]
  =
[
  tabsSouth1[2].m_flow + tabsNorth2[8].m_flow + tabsNorth2[7].m_flow + tabsNorth2[6].m_flow + tabsNorth2[5].m_flow + tabsNorth2[4].m_flow + tabsNorth2[3].m_flow + tabsNorth2[2].m_flow + tabsNorth2[1].m_flow + tabsNorth1[4].m_flow + tabsNorth1[3].m_flow + tabsNorth1[2].m_flow + tabsNorth1[1].m_flow + tabsSouth2[8].m_flow + tabsSouth2[7].m_flow + tabsSouth2[6].m_flow + tabsSouth2[5].m_flow + tabsSouth2[4].m_flow + tabsSouth2[3].m_flow + tabsSouth2[2].m_flow + tabsSouth2[1].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[1].m_flow + (-valSouth.res3.m_flow) - valNorth.res3.m_flow ;
  -bou.ports[1].m_flow ;
  (-valNorth.res1.m_flow) - valSouth.res1.m_flow
]
 might be structurally or numerically singular for variable spl1.res1.m_flow since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valNorth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valSouth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-tabsNorth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - tabsNorth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsNorth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 - tabsSouth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 = 0.0
2 : valNorth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + valSouth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 = 0.0
3 : 0.0 = spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - bou.ports.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24
[
  1.0 , 0.0 , 1.0 ;
  0.0 , -1.0 , -1.0 ;
  -1.0 , 1.0 , 0.0
]
  *
[
  spl1.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ;
  valHea.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ;
  valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24
]
  =
[
  tabsNorth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsSouth2.8.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth1.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.2.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.4.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.5.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.6.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + tabsNorth2.7.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 + (-valSouth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valNorth.res3.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ;
  (-valNorth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valSouth.res1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 ;
  -bou.ports.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24
]
 might be structurally or numerically singular for variable valCoo.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1014/8.328, allocations: 54.05 MB / 3.097 GB, free: 47.18 MB / 0.8887 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.5392/8.868, allocations: 96.16 MB / 3.191 GB, free: 359.6 MB / 0.8887 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01609/8.884, allocations: 5.94 MB / 3.197 GB, free: 358 MB / 0.8887 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00704/8.891, allocations: 214.6 kB / 3.197 GB, free: 357.9 MB / 0.8887 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.04245/8.933, allocations: 3.31 MB / 3.201 GB, free: 357.7 MB / 0.8887 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.004536/8.938, allocations: 0.8649 MB / 3.201 GB, free: 357.7 MB / 0.8887 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.002561/8.94, allocations: 0.6266 MB / 3.202 GB, free: 357.6 MB / 0.8887 GB
Notification: Performance of sorting global known variables: time 0.02011/8.961, allocations: 11.81 MB / 3.214 GB, free: 353.7 MB / 0.8887 GB
Notification: Performance of sort global known variables: time 3.7e-07/8.961, allocations: 0 / 3.214 GB, free: 353.7 MB / 0.8887 GB
Notification: Performance of remove unused functions: time 0.08154/9.042, allocations: 38.7 MB / 3.251 GB, free: 340 MB / 0.8887 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.005712/9.048, allocations: 1.933 MB / 3.253 GB, free: 338.7 MB / 0.8887 GB
Notification: Performance of simCode: created initialization part: time 0.1147/9.163, allocations: 77.44 MB / 3.329 GB, free: 271.4 MB / 0.8887 GB
Notification: Performance of simCode: created event and clocks part: time 8.526e-06/9.163, allocations: 3.438 kB / 3.329 GB, free: 271.4 MB / 0.8887 GB
Notification: Performance of simCode: created simulation system equations: time 0.04426/9.207, allocations: 25.49 MB / 3.354 GB, free: 246.4 MB / 0.8887 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.04532/9.252, allocations: 7.975 MB / 3.362 GB, free: 239.1 MB / 0.8887 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0782/9.33, allocations: 54.07 MB / 3.414 GB, free: 185.2 MB / 0.8887 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0135/9.344, allocations: 10.46 MB / 3.425 GB, free: 174.7 MB / 0.8887 GB
Notification: Performance of simCode: alias equations: time 0.02611/9.37, allocations: 7.971 MB / 3.432 GB, free: 166.7 MB / 0.8887 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01125/9.381, allocations: 2.058 MB / 3.434 GB, free: 164.6 MB / 0.8887 GB
Notification: Performance of SimCode: time 1.283e-06/9.381, allocations: 0 / 3.434 GB, free: 164.6 MB / 0.8887 GB
Notification: Performance of Templates: time 1.67/11.05, allocations: 0.6367 GB / 4.071 GB, free: 328.8 MB / 0.8888 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 -s cvode -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)