Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.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/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false)
Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/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(Buildings.Fluid.Examples.FlowSystem.Simplified3,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3")
translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified3,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00148/0.00148, allocations: 105.7 kB / 16.27 MB, free: 6.414 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001449/0.001449, allocations: 189.8 kB / 17.2 MB, free: 5.953 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.358/1.358, allocations: 222.9 MB / 240.9 MB, free: 15.22 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.44/2.44, allocations: 437 MB / 0.711 GB, free: 4.406 MB / 0.5762 GB
Notification: Performance of FrontEnd - loaded program: time 0.001465/0.001466, allocations: 74.05 kB / 0.8699 GB, free: 2.176 MB / 0.6387 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2968/0.2983, allocations: 151.6 MB / 1.018 GB, free: 10.62 MB / 0.795 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified3): time 0.9564/1.255, allocations: 357.8 MB / 1.367 GB, free: 3.594 MB / 1.061 GB
Notification: Performance of NFInst.instExpressions: time 0.1149/1.37, allocations: 75.86 MB / 1.441 GB, free: 7.566 MB / 1.139 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01848/1.388, allocations: 433.5 kB / 1.442 GB, free: 7.141 MB / 1.139 GB
Notification: Performance of NFTyping.typeComponents: time 0.04298/1.431, allocations: 23.47 MB / 1.465 GB, free: 15.61 MB / 1.17 GB
Notification: Performance of NFTyping.typeBindings: time 0.0418/1.473, allocations: 14.03 MB / 1.478 GB, free: 1.535 MB / 1.17 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02691/1.5, allocations: 10.03 MB / 1.488 GB, free: 7.578 MB / 1.186 GB
Notification: Performance of NFFlatten.flatten: time 1.313/2.813, allocations: 66.65 MB / 1.553 GB, free: 101.5 MB / 1.233 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.03912/2.852, allocations: 19.98 MB / 1.573 GB, free: 99.77 MB / 1.233 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.04401/2.896, allocations: 16.91 MB / 1.589 GB, free: 99.31 MB / 1.233 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03131/2.928, allocations: 16.33 MB / 1.605 GB, free: 97.17 MB / 1.233 GB
Notification: Performance of NFPackage.collectConstants: time 0.01168/2.939, allocations: 1.952 MB / 1.607 GB, free: 97.17 MB / 1.233 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02537/2.965, allocations: 6.622 MB / 1.614 GB, free: 97.1 MB / 1.233 GB
Notification: Performance of NFScalarize.scalarize: time 0.01283/2.978, allocations: 6.485 MB / 1.62 GB, free: 96.37 MB / 1.233 GB
Notification: Performance of NFVerifyModel.verify: time 0.02624/3.004, allocations: 11.19 MB / 1.631 GB, free: 93.45 MB / 1.233 GB
Notification: Performance of NFConvertDAE.convert: time 0.04687/3.051, allocations: 31.28 MB / 1.661 GB, free: 88.53 MB / 1.233 GB
Notification: Performance of FrontEnd - DAE generated: time 6.512e-06/3.051, allocations: 0 / 1.661 GB, free: 88.53 MB / 1.233 GB
Notification: Performance of FrontEnd: time 1.643e-06/3.051, allocations: 4 kB / 1.661 GB, free: 88.53 MB / 1.233 GB
Notification: Performance of Transformations before backend: time 0.001013/3.052, allocations: 0 / 1.661 GB, free: 88.53 MB / 1.233 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 0.07676/3.129, allocations: 23.93 MB / 1.685 GB, free: 76.34 MB / 1.233 GB
Notification: Performance of prepare preOptimizeDAE: time 4.439e-05/3.129, allocations: 10.64 kB / 1.685 GB, free: 76.34 MB / 1.233 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01993/3.149, allocations: 3.189 MB / 1.688 GB, free: 74.82 MB / 1.233 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04397/3.193, allocations: 19.69 MB / 1.707 GB, free: 67.51 MB / 1.233 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008894/3.194, allocations: 0.696 MB / 1.708 GB, free: 67.11 MB / 1.233 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.006573/3.2, allocations: 0.9361 MB / 1.709 GB, free: 66.47 MB / 1.233 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04346/3.244, allocations: 17.08 MB / 1.725 GB, free: 54.55 MB / 1.233 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0003917/3.244, allocations: 18.45 kB / 1.725 GB, free: 54.54 MB / 1.233 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00493/3.249, allocations: 328.3 kB / 1.726 GB, free: 54.47 MB / 1.233 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003757/3.25, allocations: 373 kB / 1.726 GB, free: 54.12 MB / 1.233 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04066/3.29, allocations: 21.52 MB / 1.747 GB, free: 39.09 MB / 1.233 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 0.1517/3.442, allocations: 83.65 MB / 1.829 GB, free: 1.293 MB / 1.279 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02394/3.466, allocations: 13.04 MB / 1.842 GB, free: 4.488 MB / 1.295 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01723/3.483, allocations: 10.03 MB / 1.851 GB, free: 10.45 MB / 1.311 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 0.08116/3.564, allocations: 35.37 MB / 1.886 GB, free: 6.781 MB / 1.342 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02015/3.585, allocations: 10.16 MB / 1.896 GB, free: 12.55 MB / 1.358 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02451/3.609, allocations: 5.829 MB / 1.902 GB, free: 6.879 MB / 1.358 GB
Notification: Performance of pre-optimization done (n=567): time 4.788e-05/3.609, allocations: 4 kB / 1.902 GB, free: 6.875 MB / 1.358 GB
Notification: Performance of matching and sorting (n=838): time 1.49/5.1, allocations: 217.8 MB / 2.114 GB, free: 0.6536 GB / 1.529 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1357/5.235, allocations: 56.01 MB / 2.169 GB, free: 0.6304 GB / 1.529 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03942/5.275, allocations: 17.42 MB / 2.186 GB, free: 0.6221 GB / 1.529 GB
Notification: Performance of collectPreVariables (initialization): time 0.004675/5.279, allocations: 221.4 kB / 2.186 GB, free: 0.6219 GB / 1.529 GB
Notification: Performance of collectInitialEqns (initialization): time 0.01009/5.29, allocations: 7.737 MB / 2.194 GB, free: 0.6167 GB / 1.529 GB
Notification: Performance of collectInitialBindings (initialization): time 0.009407/5.299, allocations: 3.01 MB / 2.197 GB, free: 0.6157 GB / 1.529 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01748/5.317, allocations: 4.081 MB / 2.201 GB, free: 0.6136 GB / 1.529 GB
Notification: Performance of setup shared object (initialization): time 5.409e-05/5.317, allocations: 305 kB / 2.201 GB, free: 0.6133 GB / 1.529 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.03229/5.349, allocations: 20.6 MB / 2.221 GB, free: 0.6034 GB / 1.529 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03202/5.381, allocations: 23.48 MB / 2.244 GB, free: 0.5817 GB / 1.529 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.05893/5.44, allocations: 39.28 MB / 2.282 GB, free: 0.5425 GB / 1.529 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.883e-05/5.44, allocations: 20 kB / 2.282 GB, free: 0.5425 GB / 1.529 GB
Notification: Performance of matching and sorting (n=1667) (initialization): time 0.6008/6.041, allocations: 135.3 MB / 2.415 GB, free: 420.1 MB / 1.529 GB
Notification: Performance of prepare postOptimizeDAE: time 7.382e-05/6.041, allocations: 53.7 kB / 2.415 GB, free: 420 MB / 1.529 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.317e-05/6.041, allocations: 60.11 kB / 2.415 GB, free: 420 MB / 1.529 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.585/6.626, allocations: 118 MB / 2.53 GB, free: 302 MB / 1.529 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0188/6.645, allocations: 3.588 MB / 2.533 GB, free: 298.4 MB / 1.529 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1409/6.786, allocations: 81.94 MB / 2.613 GB, free: 216.1 MB / 1.529 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0988/6.885, allocations: 6.456 MB / 2.62 GB, free: 209.7 MB / 1.529 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007461/6.892, allocations: 1.344 MB / 2.621 GB, free: 208.3 MB / 1.529 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04238/6.935, allocations: 24 MB / 2.644 GB, free: 184.3 MB / 1.529 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03334/6.968, allocations: 22.96 MB / 2.667 GB, free: 160.3 MB / 1.529 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06007/7.028, allocations: 38.27 MB / 2.704 GB, free: 121.2 MB / 1.529 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.703e-05/7.028, allocations: 16 kB / 2.704 GB, free: 121.2 MB / 1.529 GB
Notification: Performance of matching and sorting (n=1667) (initialization_lambda0): time 1.2/8.228, allocations: 133.7 MB / 2.835 GB, free: 0.622 GB / 1.529 GB
Notification: Performance of prepare postOptimizeDAE: time 9.634e-05/8.228, allocations: 61.06 kB / 2.835 GB, free: 0.622 GB / 1.529 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001101/8.228, allocations: 52.62 kB / 2.835 GB, free: 0.622 GB / 1.529 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5988/8.827, allocations: 117.7 MB / 2.95 GB, free: 0.589 GB / 1.529 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01765/8.845, allocations: 3.571 MB / 2.953 GB, free: 0.5856 GB / 1.529 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1565/9.001, allocations: 86.17 MB / 3.038 GB, free: 0.5014 GB / 1.529 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0947/9.096, allocations: 6.512 MB / 3.044 GB, free: 0.4951 GB / 1.529 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006965/9.103, allocations: 1.31 MB / 3.045 GB, free: 0.4938 GB / 1.529 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 241
 * 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 (1203):
 * Single equations (assignments): 1175
 * Array equations: 6
 * Algorithm blocks: 1
 * Record equations: 12
 * 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 0.01143/9.115, allocations: 0.782 MB / 3.046 GB, free: 0.4931 GB / 1.529 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.009483/9.124, allocations: 1.604 MB / 3.047 GB, free: 0.4923 GB / 1.529 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2204/9.345, allocations: 60.79 MB / 3.107 GB, free: 443.7 MB / 1.529 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2255/9.57, allocations: 67.05 MB / 3.172 GB, free: 376.8 MB / 1.529 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001766/9.57, allocations: 28 kB / 3.172 GB, free: 376.8 MB / 1.529 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2183/9.789, allocations: 66.38 MB / 3.237 GB, free: 310.4 MB / 1.529 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.302/10.09, allocations: 130.5 MB / 3.365 GB, free: 180.2 MB / 1.529 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001029/10.09, allocations: 0 / 3.365 GB, free: 180.2 MB / 1.529 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01222/10.1, allocations: 1.985 MB / 3.367 GB, free: 178.2 MB / 1.529 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3337/10.44, allocations: 81.54 MB / 3.446 GB, free: 96.75 MB / 1.529 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00429/10.44, allocations: 0.569 MB / 3.447 GB, free: 96.18 MB / 1.529 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1057/10.55, allocations: 58.56 MB / 3.504 GB, free: 37.55 MB / 1.529 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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.8694/11.42, allocations: 54.12 MB / 3.557 GB, free: 0.6116 GB / 1.529 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2878/11.7, allocations: 96.19 MB / 3.651 GB, free: 0.5892 GB / 1.529 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.02014/11.72, allocations: 5.944 MB / 3.656 GB, free: 0.5877 GB / 1.529 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.01092/11.74, allocations: 212.3 kB / 3.657 GB, free: 0.5876 GB / 1.529 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05726/11.79, allocations: 3.322 MB / 3.66 GB, free: 0.5874 GB / 1.529 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.006818/11.8, allocations: 0.862 MB / 3.661 GB, free: 0.5874 GB / 1.529 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004801/11.8, allocations: 0.6268 MB / 3.661 GB, free: 0.5873 GB / 1.529 GB
Notification: Performance of sorting global known variables: time 0.02992/11.83, allocations: 11.83 MB / 3.673 GB, free: 0.5815 GB / 1.529 GB
Notification: Performance of sort global known variables: time 8.72e-07/11.83, allocations: 3.969 kB / 3.673 GB, free: 0.5815 GB / 1.529 GB
Notification: Performance of remove unused functions: time 0.1045/11.94, allocations: 38.85 MB / 3.711 GB, free: 0.5438 GB / 1.529 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.008973/11.95, allocations: 2.035 MB / 3.713 GB, free: 0.5424 GB / 1.529 GB
Notification: Performance of simCode: created initialization part: time 0.2101/12.16, allocations: 102.6 MB / 3.813 GB, free: 455.2 MB / 1.529 GB
Notification: Performance of simCode: created event and clocks part: time 1.819e-05/12.16, allocations: 0 / 3.813 GB, free: 455.2 MB / 1.529 GB
Notification: Performance of simCode: created simulation system equations: time 0.05928/12.22, allocations: 25.5 MB / 3.838 GB, free: 429.9 MB / 1.529 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.06412/12.28, allocations: 7.905 MB / 3.846 GB, free: 422.4 MB / 1.529 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1113/12.39, allocations: 55.02 MB / 3.899 GB, free: 367.4 MB / 1.529 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01913/12.41, allocations: 10.36 MB / 3.91 GB, free: 357 MB / 1.529 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01389/12.43, allocations: 2.101 MB / 3.912 GB, free: 354.9 MB / 1.529 GB
Notification: Performance of SimCode: time 1.423e-06/12.43, allocations: 0 / 3.912 GB, free: 354.9 MB / 1.529 GB
Notification: Performance of Templates: time 2.799/15.22, allocations: 1.35 GB / 5.262 GB, free: 315.3 MB / 1.529 GB
make -j1 -f Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3.makefile
(rm -f Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe ; mkfifo Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe >> ../files/Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3.sim & ./Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3  -abortSlowSimulation -alarm=480  -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)