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 0.001449/0.001454, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001416/0.001416, allocations: 193.8 kB / 16.53 MB, free: 6.664 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.366/1.366, allocations: 222.9 MB / 240.2 MB, free: 4.387 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.582/2.582, allocations: 437 MB / 0.7103 GB, free: 5.137 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.001376/0.001376, allocations: 71.88 kB / 0.8692 GB, free: 4.68 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5974/0.5988, allocations: 151.6 MB / 1.017 GB, free: 2.496 MB / 0.7637 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified3): time 0.867/1.466, allocations: 357.8 MB / 1.367 GB, free: 39.95 MB / 0.9981 GB
Notification: Performance of NFInst.instExpressions: time 0.1036/1.57, allocations: 75.84 MB / 1.441 GB, free: 9.137 MB / 1.014 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.017/1.587, allocations: 437.4 kB / 1.441 GB, free: 8.707 MB / 1.014 GB
Notification: Performance of NFTyping.typeComponents: time 0.04193/1.629, allocations: 23.47 MB / 1.464 GB, free: 1.184 MB / 1.029 GB
Notification: Performance of NFTyping.typeBindings: time 0.04148/1.67, allocations: 14.03 MB / 1.478 GB, free: 3.102 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02659/1.697, allocations: 10.04 MB / 1.488 GB, free: 9.133 MB / 1.061 GB
Notification: Performance of NFFlatten.flatten: time 0.09344/1.79, allocations: 66.66 MB / 1.553 GB, free: 6.438 MB / 1.123 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.03131/1.821, allocations: 19.99 MB / 1.572 GB, free: 2.293 MB / 1.139 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03857/1.86, allocations: 16.92 MB / 1.589 GB, free: 1.352 MB / 1.154 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03139/1.892, allocations: 16.31 MB / 1.605 GB, free: 0.9844 MB / 1.17 GB
Notification: Performance of NFPackage.collectConstants: time 0.01106/1.903, allocations: 1.961 MB / 1.607 GB, free: 15.02 MB / 1.186 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02693/1.93, allocations: 6.616 MB / 1.613 GB, free: 8.398 MB / 1.186 GB
Notification: Performance of NFScalarize.scalarize: time 0.01286/1.942, allocations: 6.484 MB / 1.619 GB, free: 1.895 MB / 1.186 GB
Notification: Performance of NFVerifyModel.verify: time 0.02644/1.969, allocations: 11.19 MB / 1.63 GB, free: 6.648 MB / 1.201 GB
Notification: Performance of NFConvertDAE.convert: time 0.05279/2.022, allocations: 31.27 MB / 1.661 GB, free: 7.289 MB / 1.232 GB
Notification: Performance of FrontEnd - DAE generated: time 8.997e-06/2.022, allocations: 0 / 1.661 GB, free: 7.289 MB / 1.232 GB
Notification: Performance of FrontEnd: time 2.184e-06/2.022, allocations: 4 kB / 1.661 GB, free: 7.285 MB / 1.232 GB
Notification: Performance of Transformations before backend: time 0.001414/2.023, allocations: 3.938 kB / 1.661 GB, free: 7.281 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 0.0814/2.105, allocations: 23.92 MB / 1.684 GB, free: 15.15 MB / 1.264 GB
Notification: Performance of prepare preOptimizeDAE: time 5.935e-05/2.105, allocations: 16.02 kB / 1.684 GB, free: 15.14 MB / 1.264 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02095/2.126, allocations: 3.177 MB / 1.687 GB, free: 11.93 MB / 1.264 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.05153/2.177, allocations: 19.69 MB / 1.707 GB, free: 8.113 MB / 1.279 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009936/2.178, allocations: 0.6941 MB / 1.707 GB, free: 7.418 MB / 1.279 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.006535/2.185, allocations: 0.945 MB / 1.708 GB, free: 6.473 MB / 1.279 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04509/2.23, allocations: 17.08 MB / 1.725 GB, free: 5.18 MB / 1.295 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0004269/2.231, allocations: 23.77 kB / 1.725 GB, free: 5.156 MB / 1.295 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004367/2.235, allocations: 332 kB / 1.725 GB, free: 4.832 MB / 1.295 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004444/2.235, allocations: 367.3 kB / 1.725 GB, free: 4.473 MB / 1.295 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 1.078/3.314, allocations: 21.51 MB / 1.746 GB, free: 497.1 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 removeSimpleEquations (simulation): time 0.1425/3.456, allocations: 83.65 MB / 1.828 GB, free: 440.6 MB / 1.311 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02109/3.477, allocations: 13.04 MB / 1.841 GB, free: 433.2 MB / 1.311 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01467/3.492, allocations: 10.04 MB / 1.851 GB, free: 427.6 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 0.07102/3.563, allocations: 35.38 MB / 1.885 GB, free: 393.4 MB / 1.311 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01796/3.581, allocations: 10.15 MB / 1.895 GB, free: 383.2 MB / 1.311 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02074/3.602, allocations: 5.82 MB / 1.901 GB, free: 378.2 MB / 1.311 GB
Notification: Performance of pre-optimization done (n=567): time 3.436e-05/3.602, allocations: 0 / 1.901 GB, free: 378.2 MB / 1.311 GB
Notification: Performance of matching and sorting (n=838): time 0.9348/4.537, allocations: 217.8 MB / 2.114 GB, free: 159.6 MB / 1.311 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1509/4.687, allocations: 55.99 MB / 2.168 GB, free: 102.4 MB / 1.311 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.04283/4.73, allocations: 17.42 MB / 2.185 GB, free: 85.12 MB / 1.311 GB
Notification: Performance of collectPreVariables (initialization): time 0.005143/4.736, allocations: 225.7 kB / 2.186 GB, free: 84.89 MB / 1.311 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0106/4.746, allocations: 7.742 MB / 2.193 GB, free: 77.16 MB / 1.311 GB
Notification: Performance of collectInitialBindings (initialization): time 0.009618/4.756, allocations: 3 MB / 2.196 GB, free: 74.19 MB / 1.311 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01945/4.775, allocations: 4.086 MB / 2.2 GB, free: 70.09 MB / 1.311 GB
Notification: Performance of setup shared object (initialization): time 4.365e-05/4.775, allocations: 305.1 kB / 2.2 GB, free: 69.79 MB / 1.311 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.03186/4.807, allocations: 20.6 MB / 2.22 GB, free: 49.16 MB / 1.311 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03386/4.841, allocations: 23.48 MB / 2.243 GB, free: 24.63 MB / 1.311 GB
Notification: Performance of analyzeInitialSystem (initialization): time 1.158/5.999, allocations: 39.27 MB / 2.282 GB, free: 447.6 MB / 1.311 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001128/5.999, allocations: 14.5 kB / 2.282 GB, free: 447.6 MB / 1.311 GB
Notification: Performance of matching and sorting (n=1667) (initialization): time 0.6216/6.621, allocations: 135.3 MB / 2.414 GB, free: 374.1 MB / 1.311 GB
Notification: Performance of prepare postOptimizeDAE: time 0.000112/6.621, allocations: 54.7 kB / 2.414 GB, free: 374 MB / 1.311 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001084/6.621, allocations: 52 kB / 2.414 GB, free: 374 MB / 1.311 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.596/7.217, allocations: 118 MB / 2.529 GB, free: 256.3 MB / 1.311 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01896/7.236, allocations: 3.602 MB / 2.533 GB, free: 252.7 MB / 1.311 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.142/7.378, allocations: 81.93 MB / 2.613 GB, free: 170.7 MB / 1.311 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09683/7.475, allocations: 6.457 MB / 2.619 GB, free: 164.3 MB / 1.311 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006874/7.482, allocations: 1.341 MB / 2.62 GB, free: 162.9 MB / 1.311 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0395/7.521, allocations: 24 MB / 2.644 GB, free: 138.9 MB / 1.311 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03137/7.553, allocations: 22.96 MB / 2.666 GB, free: 114.9 MB / 1.311 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05648/7.609, allocations: 38.26 MB / 2.704 GB, free: 75.8 MB / 1.311 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 0.0001137/7.61, allocations: 16 kB / 2.704 GB, free: 75.79 MB / 1.311 GB
Notification: Performance of matching and sorting (n=1667) (initialization_lambda0): time 1.233/8.843, allocations: 133.7 MB / 2.834 GB, free: 418.5 MB / 1.311 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001056/8.843, allocations: 57.55 kB / 2.834 GB, free: 418.5 MB / 1.311 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001034/8.843, allocations: 54.75 kB / 2.834 GB, free: 418.5 MB / 1.311 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6043/9.447, allocations: 117.7 MB / 2.949 GB, free: 313.3 MB / 1.311 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01795/9.465, allocations: 3.57 MB / 2.953 GB, free: 309.8 MB / 1.311 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.151/9.616, allocations: 86.18 MB / 3.037 GB, free: 223.5 MB / 1.311 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09381/9.71, allocations: 6.505 MB / 3.043 GB, free: 217 MB / 1.311 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005116/9.715, allocations: 1.314 MB / 3.044 GB, free: 215.7 MB / 1.311 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 0.005659/9.721, allocations: 0.7682 MB / 3.045 GB, free: 215 MB / 1.311 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006205/9.727, allocations: 1.605 MB / 3.047 GB, free: 214.2 MB / 1.311 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2114/9.938, allocations: 60.79 MB / 3.106 GB, free: 153.7 MB / 1.311 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2197/10.16, allocations: 67.05 MB / 3.172 GB, free: 86.68 MB / 1.311 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001108/10.16, allocations: 28 kB / 3.172 GB, free: 86.65 MB / 1.311 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.9087/11.07, allocations: 66.38 MB / 3.236 GB, free: 414.9 MB / 1.311 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.314/11.38, allocations: 130.5 MB / 3.364 GB, free: 366.7 MB / 1.311 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001148/11.38, allocations: 0 / 3.364 GB, free: 366.7 MB / 1.311 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0119/11.39, allocations: 1.98 MB / 3.366 GB, free: 366 MB / 1.311 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3295/11.72, allocations: 81.53 MB / 3.445 GB, free: 291.5 MB / 1.311 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004145/11.73, allocations: 0.5768 MB / 3.446 GB, free: 291 MB / 1.311 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1049/11.83, allocations: 58.56 MB / 3.503 GB, free: 232.4 MB / 1.311 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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1133/11.95, allocations: 54.13 MB / 3.556 GB, free: 177.2 MB / 1.311 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2511/12.2, allocations: 96.19 MB / 3.65 GB, free: 81.93 MB / 1.311 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01854/12.22, allocations: 5.941 MB / 3.656 GB, free: 76.59 MB / 1.311 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.009117/12.22, allocations: 215.9 kB / 3.656 GB, free: 76.38 MB / 1.311 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05405/12.28, allocations: 3.311 MB / 3.659 GB, free: 73.07 MB / 1.311 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.007004/12.29, allocations: 0.8655 MB / 3.66 GB, free: 72.2 MB / 1.311 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004428/12.29, allocations: 0.6353 MB / 3.661 GB, free: 71.56 MB / 1.311 GB
Notification: Performance of sorting global known variables: time 0.02496/12.31, allocations: 11.84 MB / 3.672 GB, free: 59.81 MB / 1.311 GB
Notification: Performance of sort global known variables: time 6.01e-07/12.31, allocations: 0 / 3.672 GB, free: 59.81 MB / 1.311 GB
Notification: Performance of remove unused functions: time 0.09956/12.41, allocations: 38.85 MB / 3.71 GB, free: 21.09 MB / 1.311 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.6293/13.04, allocations: 2.037 MB / 3.712 GB, free: 447.9 MB / 1.311 GB
Notification: Performance of simCode: created initialization part: time 0.2101/13.25, allocations: 102.6 MB / 3.812 GB, free: 413.5 MB / 1.311 GB
Notification: Performance of simCode: created event and clocks part: time 1.097e-05/13.25, allocations: 4 kB / 3.812 GB, free: 413.5 MB / 1.311 GB
Notification: Performance of simCode: created simulation system equations: time 0.05627/13.31, allocations: 25.51 MB / 3.837 GB, free: 392.8 MB / 1.311 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.06016/13.37, allocations: 7.902 MB / 3.845 GB, free: 386.7 MB / 1.311 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.09366/13.46, allocations: 54.5 MB / 3.898 GB, free: 333.2 MB / 1.311 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01531/13.48, allocations: 10.46 MB / 3.908 GB, free: 322.9 MB / 1.311 GB
Notification: Performance of simCode: alias equations: time 0.0333/13.51, allocations: 7.938 MB / 3.916 GB, free: 315 MB / 1.311 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01189/13.52, allocations: 2.051 MB / 3.918 GB, free: 312.9 MB / 1.311 GB
Notification: Performance of SimCode: time 8.62e-07/13.52, allocations: 0 / 3.918 GB, free: 312.9 MB / 1.311 GB
Notification: Performance of Templates: time 1.436/14.96, allocations: 0.6462 GB / 4.564 GB, free: 106.7 MB / 1.311 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)