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 0.001087/0.001087, allocations: 112.4 kB / 17.04 MB, free: 5.797 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001047/0.001047, allocations: 195 kB / 17.98 MB, free: 5.02 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.329/1.329, allocations: 222.9 MB / 241.7 MB, free: 15.18 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.739/0.739, allocations: 115.1 MB / 406.9 MB, free: 6.375 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001255/0.001255, allocations: 68.09 kB / 494.8 MB, free: 15.89 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3288/0.3301, allocations: 76.15 MB / 0.5576 GB, free: 36.64 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified3): time 0.5669/0.8971, allocations: 357.7 MB / 0.9069 GB, free: 9.188 MB / 0.6075 GB
Notification: Performance of NFInst.instExpressions: time 0.1027/0.9999, allocations: 75.84 MB / 0.981 GB, free: 13.16 MB / 0.6856 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01437/1.014, allocations: 433.5 kB / 0.9814 GB, free: 12.74 MB / 0.6856 GB
Notification: Performance of NFTyping.typeComponents: time 0.04021/1.054, allocations: 23.49 MB / 1.004 GB, free: 5.203 MB / 0.7012 GB
Notification: Performance of NFTyping.typeBindings: time 0.03798/1.092, allocations: 14.03 MB / 1.018 GB, free: 7.121 MB / 0.7169 GB
Notification: Performance of NFTyping.typeClassSections: time 0.3703/1.463, allocations: 10.14 MB / 1.028 GB, free: 34.06 MB / 0.7169 GB
Notification: Performance of NFFlatten.flatten: time 0.09993/1.563, allocations: 74.02 MB / 1.1 GB, free: 33.3 MB / 0.7169 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02998/1.593, allocations: 19.97 MB / 1.12 GB, free: 23.82 MB / 0.7169 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03355/1.626, allocations: 16.97 MB / 1.136 GB, free: 12.73 MB / 0.7169 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.02623/1.653, allocations: 16.34 MB / 1.152 GB, free: 1.102 MB / 0.7169 GB
Notification: Performance of NFPackage.collectConstants: time 0.008046/1.661, allocations: 1.945 MB / 1.154 GB, free: 15.15 MB / 0.7325 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02037/1.681, allocations: 6.042 MB / 1.16 GB, free: 10.77 MB / 0.7325 GB
Notification: Performance of NFScalarize.scalarize: time 0.01049/1.692, allocations: 6.474 MB / 1.166 GB, free: 6.875 MB / 0.7325 GB
Notification: Performance of NFVerifyModel.verify: time 0.02555/1.717, allocations: 11.16 MB / 1.177 GB, free: 14.95 MB / 0.7481 GB
Notification: Performance of NFConvertDAE.convert: time 0.0461/1.763, allocations: 31 MB / 1.208 GB, free: 1.156 MB / 0.7637 GB
Notification: Performance of FrontEnd - DAE generated: time 4.989e-06/1.763, allocations: 0 / 1.208 GB, free: 1.156 MB / 0.7637 GB
Notification: Performance of FrontEnd: time 1.563e-06/1.763, allocations: 0 / 1.208 GB, free: 1.156 MB / 0.7637 GB
Notification: Performance of Transformations before backend: time 0.0008264/1.764, allocations: 0 / 1.208 GB, free: 1.156 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 0.06291/1.827, allocations: 23.86 MB / 1.231 GB, free: 9.449 MB / 0.795 GB
Notification: Performance of prepare preOptimizeDAE: time 3.962e-05/1.827, allocations: 8.031 kB / 1.231 GB, free: 9.441 MB / 0.795 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0176/1.845, allocations: 3.189 MB / 1.234 GB, free: 6.227 MB / 0.795 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04666/1.891, allocations: 20.37 MB / 1.254 GB, free: 2.383 MB / 0.8106 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007209/1.892, allocations: 0.6688 MB / 1.254 GB, free: 1.719 MB / 0.8106 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004397/1.897, allocations: 0.9407 MB / 1.255 GB, free: 0.7852 MB / 0.8106 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03862/1.935, allocations: 17.07 MB / 1.272 GB, free: 15.56 MB / 0.8419 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.00036/1.936, allocations: 18.47 kB / 1.272 GB, free: 15.55 MB / 0.8419 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003405/1.939, allocations: 330.7 kB / 1.272 GB, free: 15.23 MB / 0.8419 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003733/1.939, allocations: 367 kB / 1.273 GB, free: 14.88 MB / 0.8419 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04021/1.98, allocations: 21.5 MB / 1.294 GB, free: 9.41 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 0.4879/2.468, allocations: 83.21 MB / 1.375 GB, free: 143.1 MB / 0.8887 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0215/2.489, allocations: 13.02 MB / 1.388 GB, free: 142.7 MB / 0.8887 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01478/2.504, allocations: 10.03 MB / 1.398 GB, free: 142.7 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 0.06294/2.567, allocations: 35.3 MB / 1.432 GB, free: 134.5 MB / 0.8887 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01569/2.583, allocations: 10.15 MB / 1.442 GB, free: 134.3 MB / 0.8887 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.01834/2.601, allocations: 5.805 MB / 1.448 GB, free: 134.2 MB / 0.8887 GB
Notification: Performance of pre-optimization done (n=567): time 2.96e-05/2.601, allocations: 0 / 1.448 GB, free: 134.2 MB / 0.8887 GB
Notification: Performance of matching and sorting (n=838): time 1.279/3.88, allocations: 217.6 MB / 1.66 GB, free: 203.6 MB / 0.9512 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1477/4.027, allocations: 55.91 MB / 1.715 GB, free: 194.7 MB / 0.9512 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03001/4.058, allocations: 17.35 MB / 1.732 GB, free: 193.8 MB / 0.9512 GB
Notification: Performance of collectPreVariables (initialization): time 0.00373/4.061, allocations: 220.6 kB / 1.732 GB, free: 193.8 MB / 0.9512 GB
Notification: Performance of collectInitialEqns (initialization): time 0.007944/4.069, allocations: 7.753 MB / 1.739 GB, free: 193.5 MB / 0.9512 GB
Notification: Performance of collectInitialBindings (initialization): time 0.007419/4.077, allocations: 3.004 MB / 1.742 GB, free: 192.6 MB / 0.9512 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01434/4.091, allocations: 3.987 MB / 1.746 GB, free: 192.5 MB / 0.9512 GB
Notification: Performance of setup shared object (initialization): time 3.871e-05/4.091, allocations: 305.2 kB / 1.747 GB, free: 192.2 MB / 0.9512 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02878/4.12, allocations: 20.27 MB / 1.766 GB, free: 192.1 MB / 0.9512 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03156/4.152, allocations: 23.11 MB / 1.789 GB, free: 188.6 MB / 0.9512 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.05803/4.21, allocations: 38.6 MB / 1.827 GB, free: 157.7 MB / 0.9512 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.616e-05/4.21, allocations: 16 kB / 1.827 GB, free: 157.7 MB / 0.9512 GB
Notification: Performance of matching and sorting (n=1619) (initialization): time 0.5636/4.773, allocations: 134.5 MB / 1.958 GB, free: 23.88 MB / 0.9512 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001187/4.773, allocations: 63.83 kB / 1.958 GB, free: 23.81 MB / 0.9512 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001003/4.774, allocations: 52 kB / 1.958 GB, free: 23.76 MB / 0.9512 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.8391/5.613, allocations: 117.9 MB / 2.073 GB, free: 451.2 MB / 0.9669 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01805/5.631, allocations: 3.555 MB / 2.077 GB, free: 450.1 MB / 0.9669 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1472/5.778, allocations: 81.9 MB / 2.157 GB, free: 379.1 MB / 0.9669 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.07769/5.856, allocations: 6.442 MB / 2.163 GB, free: 372.7 MB / 0.9669 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006288/5.862, allocations: 1.312 MB / 2.164 GB, free: 371.4 MB / 0.9669 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03619/5.898, allocations: 23.66 MB / 2.187 GB, free: 347.7 MB / 0.9669 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.02915/5.927, allocations: 22.58 MB / 2.21 GB, free: 324.1 MB / 0.9669 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05336/5.981, allocations: 37.59 MB / 2.246 GB, free: 285.7 MB / 0.9669 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.507e-05/5.981, allocations: 16 kB / 2.246 GB, free: 285.7 MB / 0.9669 GB
Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 0.5556/6.537, allocations: 133 MB / 2.376 GB, free: 153.6 MB / 0.9669 GB
Notification: Performance of prepare postOptimizeDAE: time 8.152e-05/6.537, allocations: 57.69 kB / 2.376 GB, free: 153.5 MB / 0.9669 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.136e-05/6.537, allocations: 55.98 kB / 2.376 GB, free: 153.4 MB / 0.9669 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5428/7.08, allocations: 117.6 MB / 2.491 GB, free: 35.87 MB / 0.9669 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01747/7.097, allocations: 3.528 MB / 2.495 GB, free: 32.34 MB / 0.9669 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.4542/7.551, allocations: 86.12 MB / 2.579 GB, free: 434.1 MB / 0.9669 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.07749/7.629, allocations: 6.489 MB / 2.585 GB, free: 433.9 MB / 0.9669 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006131/7.635, allocations: 1.286 MB / 2.586 GB, free: 433.8 MB / 0.9669 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 0.008144/7.643, allocations: 0.7627 MB / 2.587 GB, free: 433.3 MB / 0.9669 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007869/7.651, allocations: 1.607 MB / 2.589 GB, free: 433.3 MB / 0.9669 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1965/7.848, allocations: 60.74 MB / 2.648 GB, free: 414.3 MB / 0.9669 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.1997/8.047, allocations: 67.04 MB / 2.713 GB, free: 347.5 MB / 0.9669 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.000185/8.047, allocations: 31.05 kB / 2.713 GB, free: 347.4 MB / 0.9669 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.1918/8.239, allocations: 66.36 MB / 2.778 GB, free: 281.1 MB / 0.9669 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2819/8.521, allocations: 130.4 MB / 2.905 GB, free: 150.8 MB / 0.9669 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.014e-05/8.521, allocations: 0 / 2.905 GB, free: 150.8 MB / 0.9669 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01133/8.533, allocations: 1.973 MB / 2.907 GB, free: 148.9 MB / 0.9669 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3059/8.839, allocations: 81.4 MB / 2.987 GB, free: 67.57 MB / 0.9669 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004254/8.843, allocations: 0.569 MB / 2.987 GB, free: 67 MB / 0.9669 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1032/8.946, allocations: 58.55 MB / 3.045 GB, free: 8.402 MB / 0.9669 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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.4432/9.389, allocations: 54.04 MB / 3.097 GB, free: 443.4 MB / 0.9669 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2345/9.624, allocations: 96.16 MB / 3.191 GB, free: 395.8 MB / 0.9669 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.02014/9.644, allocations: 5.936 MB / 3.197 GB, free: 390.7 MB / 0.9669 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.008458/9.653, allocations: 215.9 kB / 3.197 GB, free: 390.5 MB / 0.9669 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.04481/9.697, allocations: 3.315 MB / 3.201 GB, free: 387.6 MB / 0.9669 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005392/9.703, allocations: 0.8616 MB / 3.201 GB, free: 386.7 MB / 0.9669 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004285/9.707, allocations: 0.6276 MB / 3.202 GB, free: 386.1 MB / 0.9669 GB
Notification: Performance of sorting global known variables: time 0.02273/9.73, allocations: 11.81 MB / 3.214 GB, free: 374.4 MB / 0.9669 GB
Notification: Performance of sort global known variables: time 6.11e-07/9.73, allocations: 4 kB / 3.214 GB, free: 374.4 MB / 0.9669 GB
Notification: Performance of remove unused functions: time 0.08257/9.812, allocations: 38.69 MB / 3.251 GB, free: 335.8 MB / 0.9669 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.006921/9.819, allocations: 1.936 MB / 3.253 GB, free: 334.1 MB / 0.9669 GB
Notification: Performance of simCode: created initialization part: time 0.1308/9.95, allocations: 77.43 MB / 3.329 GB, free: 256.7 MB / 0.9669 GB
Notification: Performance of simCode: created event and clocks part: time 1.191e-05/9.95, allocations: 1 kB / 3.329 GB, free: 256.7 MB / 0.9669 GB
Notification: Performance of simCode: created simulation system equations: time 0.05099/10, allocations: 25.52 MB / 3.354 GB, free: 231.2 MB / 0.9669 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05773/10.06, allocations: 7.971 MB / 3.362 GB, free: 223.6 MB / 0.9669 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09103/10.15, allocations: 54.07 MB / 3.414 GB, free: 169.5 MB / 0.9669 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01692/10.17, allocations: 10.46 MB / 3.425 GB, free: 159 MB / 0.9669 GB
Notification: Performance of simCode: alias equations: time 0.02925/10.2, allocations: 7.967 MB / 3.432 GB, free: 151 MB / 0.9669 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01311/10.21, allocations: 2.051 MB / 3.434 GB, free: 148.9 MB / 0.9669 GB
Notification: Performance of SimCode: time 5.61e-07/10.21, allocations: 3.938 kB / 3.434 GB, free: 148.9 MB / 0.9669 GB
Notification: Performance of Templates: time 1.43/11.64, allocations: 0.6367 GB / 4.071 GB, free: 23.35 MB / 0.9669 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 gbode -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)