Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 11.0.0-master/package.mo", uses=false)
Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-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(Buildings.Fluid.Examples.FlowSystem.Simplified3,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_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_latest_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 0.001708/0.001708, allocations: 111.5 kB / 16.37 MB, free: 6.012 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001791/0.001791, allocations: 191.9 kB / 17.3 MB, free: 5.613 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.403/1.403, allocations: 222.9 MB / 241 MB, free: 15.17 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.714/2.714, allocations: 442.6 MB / 0.7165 GB, free: 14.62 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001248/0.001248, allocations: 60.83 kB / 0.8773 GB, free: 10.97 MB / 0.6544 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3357/0.337, allocations: 153 MB / 1.027 GB, free: 2.055 MB / 0.795 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified3): time 1.065/1.402, allocations: 357.8 MB / 1.376 GB, free: 7.461 MB / 1.076 GB
Notification: Performance of NFInst.instExpressions: time 0.1326/1.535, allocations: 75.86 MB / 1.45 GB, free: 11.43 MB / 1.154 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01903/1.554, allocations: 433.5 kB / 1.451 GB, free: 11 MB / 1.154 GB
Notification: Performance of NFTyping.typeComponents: time 0.05048/1.604, allocations: 23.47 MB / 1.474 GB, free: 3.477 MB / 1.17 GB
Notification: Performance of NFTyping.typeBindings: time 0.04338/1.648, allocations: 14.03 MB / 1.487 GB, free: 5.395 MB / 1.186 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02986/1.678, allocations: 10.16 MB / 1.497 GB, free: 11.31 MB / 1.201 GB
Notification: Performance of NFFlatten.flatten: time 0.813/2.491, allocations: 74.01 MB / 1.569 GB, free: 101.9 MB / 1.232 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.03106/2.522, allocations: 19.97 MB / 1.589 GB, free: 99.9 MB / 1.232 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0427/2.564, allocations: 16.96 MB / 1.605 GB, free: 99.32 MB / 1.232 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03044/2.595, allocations: 16.33 MB / 1.621 GB, free: 97.19 MB / 1.232 GB
Notification: Performance of NFPackage.collectConstants: time 0.009772/2.605, allocations: 1.945 MB / 1.623 GB, free: 97.19 MB / 1.232 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02287/2.628, allocations: 6.036 MB / 1.629 GB, free: 97.12 MB / 1.232 GB
Notification: Performance of NFScalarize.scalarize: time 0.01311/2.641, allocations: 6.473 MB / 1.636 GB, free: 96.39 MB / 1.232 GB
Notification: Performance of NFVerifyModel.verify: time 0.03209/2.673, allocations: 11.17 MB / 1.646 GB, free: 93.48 MB / 1.232 GB
Notification: Performance of NFConvertDAE.convert: time 0.04377/2.717, allocations: 30.98 MB / 1.677 GB, free: 84.9 MB / 1.232 GB
Notification: Performance of FrontEnd - DAE generated: time 6.071e-06/2.717, allocations: 3.75 kB / 1.677 GB, free: 84.9 MB / 1.232 GB
Notification: Performance of FrontEnd: time 1.613e-06/2.717, allocations: 0 / 1.677 GB, free: 84.9 MB / 1.232 GB
Notification: Performance of Transformations before backend: time 0.001004/2.718, allocations: 0 / 1.677 GB, free: 84.9 MB / 1.232 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 0.07096/2.789, allocations: 23.85 MB / 1.7 GB, free: 69.36 MB / 1.232 GB
Notification: Performance of prepare preOptimizeDAE: time 4.77e-05/2.789, allocations: 12.75 kB / 1.7 GB, free: 69.34 MB / 1.232 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01906/2.808, allocations: 3.195 MB / 1.703 GB, free: 66.14 MB / 1.232 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04293/2.851, allocations: 20.36 MB / 1.723 GB, free: 51.76 MB / 1.232 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006612/2.852, allocations: 0.6754 MB / 1.724 GB, free: 51.38 MB / 1.232 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.005227/2.857, allocations: 0.9359 MB / 1.725 GB, free: 50.73 MB / 1.232 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03867/2.895, allocations: 17.06 MB / 1.741 GB, free: 38.84 MB / 1.232 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0003276/2.896, allocations: 25.83 kB / 1.741 GB, free: 38.82 MB / 1.232 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00374/2.9, allocations: 331.4 kB / 1.742 GB, free: 38.75 MB / 1.232 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003303/2.9, allocations: 367 kB / 1.742 GB, free: 38.41 MB / 1.232 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03754/2.937, allocations: 21.5 MB / 1.763 GB, free: 18.04 MB / 1.232 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 0.1511/3.089, allocations: 83.21 MB / 1.844 GB, free: 12.67 MB / 1.311 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02362/3.112, allocations: 13.03 MB / 1.857 GB, free: 15.87 MB / 1.326 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01706/3.129, allocations: 10.03 MB / 1.867 GB, free: 5.824 MB / 1.326 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 0.07908/3.208, allocations: 35.27 MB / 1.901 GB, free: 2.238 MB / 1.357 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01946/3.228, allocations: 10.16 MB / 1.911 GB, free: 8.016 MB / 1.373 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02128/3.249, allocations: 5.803 MB / 1.917 GB, free: 2.371 MB / 1.373 GB
Notification: Performance of pre-optimization done (n=567): time 3.258e-05/3.249, allocations: 0 / 1.917 GB, free: 2.371 MB / 1.373 GB
Notification: Performance of matching and sorting (n=838): time 1.469/4.719, allocations: 217.7 MB / 2.129 GB, free: 0.6455 GB / 1.529 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1372/4.856, allocations: 55.92 MB / 2.184 GB, free: 0.6124 GB / 1.529 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03413/4.89, allocations: 17.35 MB / 2.201 GB, free: 0.604 GB / 1.529 GB
Notification: Performance of collectPreVariables (initialization): time 0.003821/4.894, allocations: 221.2 kB / 2.201 GB, free: 0.6039 GB / 1.529 GB
Notification: Performance of collectInitialEqns (initialization): time 0.008685/4.903, allocations: 7.742 MB / 2.209 GB, free: 0.5987 GB / 1.529 GB
Notification: Performance of collectInitialBindings (initialization): time 0.008424/4.911, allocations: 3.005 MB / 2.212 GB, free: 0.5976 GB / 1.529 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01388/4.925, allocations: 3.988 MB / 2.216 GB, free: 0.5955 GB / 1.529 GB
Notification: Performance of setup shared object (initialization): time 5.527e-05/4.925, allocations: 309 kB / 2.216 GB, free: 0.5952 GB / 1.529 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02835/4.953, allocations: 20.28 MB / 2.236 GB, free: 0.5802 GB / 1.529 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.02995/4.983, allocations: 23.09 MB / 2.258 GB, free: 0.5567 GB / 1.529 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.05791/5.041, allocations: 38.6 MB / 2.296 GB, free: 0.5182 GB / 1.529 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.057e-05/5.041, allocations: 16 kB / 2.296 GB, free: 0.5182 GB / 1.529 GB
Notification: Performance of matching and sorting (n=1619) (initialization): time 0.5499/5.591, allocations: 134.5 MB / 2.427 GB, free: 395.9 MB / 1.529 GB
Notification: Performance of prepare postOptimizeDAE: time 9.418e-05/5.592, allocations: 69.84 kB / 2.427 GB, free: 395.8 MB / 1.529 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.076e-05/5.592, allocations: 52 kB / 2.427 GB, free: 395.8 MB / 1.529 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5257/6.117, allocations: 118 MB / 2.543 GB, free: 277.9 MB / 1.529 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01876/6.136, allocations: 3.553 MB / 2.546 GB, free: 274.3 MB / 1.529 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.136/6.272, allocations: 81.88 MB / 2.626 GB, free: 192.1 MB / 1.529 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.07816/6.35, allocations: 6.445 MB / 2.632 GB, free: 185.6 MB / 1.529 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006874/6.357, allocations: 1.314 MB / 2.634 GB, free: 184.3 MB / 1.529 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04477/6.402, allocations: 23.66 MB / 2.657 GB, free: 160.6 MB / 1.529 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03374/6.436, allocations: 22.59 MB / 2.679 GB, free: 137 MB / 1.529 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0593/6.495, allocations: 37.58 MB / 2.715 GB, free: 98.62 MB / 1.529 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.457e-05/6.495, allocations: 16 kB / 2.715 GB, free: 98.6 MB / 1.529 GB
Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 1.173/7.668, allocations: 133 MB / 2.845 GB, free: 0.6188 GB / 1.529 GB
Notification: Performance of prepare postOptimizeDAE: time 8.955e-05/7.668, allocations: 58.73 kB / 2.845 GB, free: 0.6187 GB / 1.529 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.123e-05/7.669, allocations: 53.38 kB / 2.845 GB, free: 0.6187 GB / 1.529 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5364/8.205, allocations: 117.6 MB / 2.96 GB, free: 0.562 GB / 1.529 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01708/8.222, allocations: 3.526 MB / 2.964 GB, free: 0.5587 GB / 1.529 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1462/8.368, allocations: 86.14 MB / 3.048 GB, free: 485.9 MB / 1.529 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.07801/8.446, allocations: 6.481 MB / 3.054 GB, free: 479.5 MB / 1.529 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00788/8.454, allocations: 1.29 MB / 3.055 GB, free: 478.2 MB / 1.529 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 0.007208/8.461, allocations: 0.7646 MB / 3.056 GB, free: 477.4 MB / 1.529 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008184/8.47, allocations: 1.609 MB / 3.058 GB, free: 476.7 MB / 1.529 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.197/8.667, allocations: 60.77 MB / 3.117 GB, free: 416.2 MB / 1.529 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.1958/8.863, allocations: 67.03 MB / 3.183 GB, free: 349.4 MB / 1.529 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.000129/8.863, allocations: 31.98 kB / 3.183 GB, free: 349.4 MB / 1.529 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.1869/9.05, allocations: 66.36 MB / 3.247 GB, free: 283 MB / 1.529 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2665/9.316, allocations: 130.4 MB / 3.375 GB, free: 152.7 MB / 1.529 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.031e-05/9.316, allocations: 0 / 3.375 GB, free: 152.7 MB / 1.529 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01154/9.328, allocations: 1.981 MB / 3.377 GB, free: 150.8 MB / 1.529 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.2987/9.627, allocations: 81.39 MB / 3.456 GB, free: 69.47 MB / 1.529 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00466/9.631, allocations: 0.5729 MB / 3.457 GB, free: 68.9 MB / 1.529 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.7474/10.38, allocations: 58.53 MB / 3.514 GB, free: 0.6169 GB / 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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1241/10.5, allocations: 54.06 MB / 3.567 GB, free: 0.5984 GB / 1.529 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2346/10.74, allocations: 96.19 MB / 3.661 GB, free: 0.5681 GB / 1.529 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01932/10.76, allocations: 5.939 MB / 3.666 GB, free: 0.5632 GB / 1.529 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.009311/10.77, allocations: 215.9 kB / 3.667 GB, free: 0.563 GB / 1.529 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.04645/10.81, allocations: 3.307 MB / 3.67 GB, free: 0.5602 GB / 1.529 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005571/10.82, allocations: 0.8694 MB / 3.671 GB, free: 0.5594 GB / 1.529 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004509/10.82, allocations: 0.6276 MB / 3.671 GB, free: 0.5587 GB / 1.529 GB
Notification: Performance of sorting global known variables: time 0.02495/10.85, allocations: 11.81 MB / 3.683 GB, free: 0.5473 GB / 1.529 GB
Notification: Performance of sort global known variables: time 8.32e-07/10.85, allocations: 0 / 3.683 GB, free: 0.5473 GB / 1.529 GB
Notification: Performance of remove unused functions: time 0.08914/10.94, allocations: 38.69 MB / 3.721 GB, free: 0.5097 GB / 1.529 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.007375/10.94, allocations: 1.935 MB / 3.722 GB, free: 0.5081 GB / 1.529 GB
Notification: Performance of simCode: created initialization part: time 0.1262/11.07, allocations: 77.43 MB / 3.798 GB, free: 443 MB / 1.529 GB
Notification: Performance of simCode: created event and clocks part: time 1.37e-05/11.07, allocations: 0 / 3.798 GB, free: 443 MB / 1.529 GB
Notification: Performance of simCode: created simulation system equations: time 0.05142/11.12, allocations: 25.49 MB / 3.823 GB, free: 417.5 MB / 1.529 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05678/11.18, allocations: 7.978 MB / 3.831 GB, free: 409.8 MB / 1.529 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09508/11.27, allocations: 54.07 MB / 3.884 GB, free: 355.7 MB / 1.529 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0182/11.29, allocations: 10.45 MB / 3.894 GB, free: 345.2 MB / 1.529 GB
Notification: Performance of simCode: alias equations: time 0.03183/11.32, allocations: 7.975 MB / 3.902 GB, free: 337.2 MB / 1.529 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01358/11.34, allocations: 2.066 MB / 3.904 GB, free: 335.1 MB / 1.529 GB
Notification: Performance of SimCode: time 1.132e-06/11.34, allocations: 0 / 3.904 GB, free: 335.1 MB / 1.529 GB
Notification: Performance of Templates: time 1.486/12.82, allocations: 0.6368 GB / 4.54 GB, free: 392.8 MB / 1.529 GB
make -j1 -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.makefile
(rm -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe >> ../files/Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.sim & ./Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3  -abortSlowSimulation -alarm=480 -s cvode -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)