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 0.008118/0.008118, allocations: 95.98 kB / 15.73 MB, free: 6.496 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002008/0.002008, allocations: 191.9 kB / 16.67 MB, free: 6.391 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.447/1.447, allocations: 222.9 MB / 240.4 MB, free: 4.332 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 2.59/2.59, allocations: 437 MB / 0.7105 GB, free: 5.031 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.001211/0.001211, allocations: 71.84 kB / 1.019 GB, free: 14.46 MB / 0.7794 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2977/0.2989, allocations: 151.6 MB / 1.167 GB, free: 6.723 MB / 0.92 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified3): time 0.9191/1.218, allocations: 357.8 MB / 1.516 GB, free: 15.87 MB / 1.186 GB
Notification: Performance of NFInst.instExpressions: time 0.1078/1.326, allocations: 75.86 MB / 1.59 GB, free: 3.836 MB / 1.248 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01834/1.344, allocations: 433.5 kB / 1.591 GB, free: 3.41 MB / 1.248 GB
Notification: Performance of NFTyping.typeComponents: time 0.02122/1.366, allocations: 6.425 MB / 1.597 GB, free: 12.96 MB / 1.264 GB
Notification: Performance of NFTyping.typeBindings: time 0.04706/1.413, allocations: 14.1 MB / 1.611 GB, free: 14.81 MB / 1.279 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0254/1.438, allocations: 10.18 MB / 1.621 GB, free: 4.703 MB / 1.279 GB
Notification: Performance of NFFlatten.flatten: time 0.1116/1.55, allocations: 74.18 MB / 1.693 GB, free: 10.38 MB / 1.357 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.03312/1.583, allocations: 20.01 MB / 1.713 GB, free: 6.215 MB / 1.373 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.04288/1.626, allocations: 17.03 MB / 1.729 GB, free: 5.16 MB / 1.389 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0347/1.66, allocations: 16.37 MB / 1.745 GB, free: 4.73 MB / 1.404 GB
Notification: Performance of NFPackage.collectConstants: time 0.009142/1.67, allocations: 1.957 MB / 1.747 GB, free: 2.77 MB / 1.404 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02323/1.693, allocations: 6.035 MB / 1.753 GB, free: 12.73 MB / 1.42 GB
Notification: Performance of NFScalarize.scalarize: time 0.01249/1.705, allocations: 6.508 MB / 1.759 GB, free: 6.199 MB / 1.42 GB
Notification: Performance of NFVerifyModel.verify: time 0.03051/1.736, allocations: 11.18 MB / 1.77 GB, free: 10.96 MB / 1.436 GB
Notification: Performance of NFConvertDAE.convert: time 0.05973/1.796, allocations: 31.19 MB / 1.801 GB, free: 11.66 MB / 1.467 GB
Notification: Performance of FrontEnd - DAE generated: time 1.148e-05/1.796, allocations: 4 kB / 1.801 GB, free: 11.66 MB / 1.467 GB
Notification: Performance of FrontEnd: time 1.973e-06/1.796, allocations: 3.938 kB / 1.801 GB, free: 11.66 MB / 1.467 GB
Notification: Performance of Transformations before backend: time 0.00119/1.797, allocations: 0 / 1.801 GB, free: 11.66 MB / 1.467 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 1.408/3.205, allocations: 24.53 MB / 1.825 GB, free: 0.5056 GB / 1.467 GB
Notification: Performance of prepare preOptimizeDAE: time 5.875e-05/3.205, allocations: 9.375 kB / 1.825 GB, free: 0.5056 GB / 1.467 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02248/3.228, allocations: 3.287 MB / 1.828 GB, free: 0.5045 GB / 1.467 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.05337/3.281, allocations: 21 MB / 1.848 GB, free: 0.4965 GB / 1.467 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009341/3.282, allocations: 0.6701 MB / 1.849 GB, free: 0.4962 GB / 1.467 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.006677/3.289, allocations: 0.9383 MB / 1.85 GB, free: 0.4959 GB / 1.467 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04834/3.337, allocations: 17.06 MB / 1.867 GB, free: 0.4886 GB / 1.467 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0004351/3.337, allocations: 12.19 kB / 1.867 GB, free: 0.4886 GB / 1.467 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004806/3.342, allocations: 334 kB / 1.867 GB, free: 0.4883 GB / 1.467 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004736/3.343, allocations: 370.1 kB / 1.867 GB, free: 0.4883 GB / 1.467 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04417/3.387, allocations: 21.5 MB / 1.888 GB, free: 490.1 MB / 1.467 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 0.135/3.522, allocations: 83.39 MB / 1.97 GB, free: 406.8 MB / 1.467 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02108/3.543, allocations: 13.02 MB / 1.982 GB, free: 394.1 MB / 1.467 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01511/3.558, allocations: 10.07 MB / 1.992 GB, free: 384 MB / 1.467 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 0.07628/3.635, allocations: 35.32 MB / 2.027 GB, free: 348.7 MB / 1.467 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01816/3.653, allocations: 10.15 MB / 2.037 GB, free: 338.5 MB / 1.467 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02433/3.677, allocations: 5.825 MB / 2.042 GB, free: 333.1 MB / 1.467 GB
Notification: Performance of pre-optimization done (n=567): time 4.485e-05/3.677, allocations: 0 / 2.042 GB, free: 333.1 MB / 1.467 GB
Notification: Performance of matching and sorting (n=838): time 0.9011/4.578, allocations: 218.1 MB / 2.255 GB, free: 113.9 MB / 1.467 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.14/4.718, allocations: 55.97 MB / 2.31 GB, free: 56.59 MB / 1.467 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03746/4.756, allocations: 17.8 MB / 2.327 GB, free: 38.89 MB / 1.467 GB
Notification: Performance of collectPreVariables (initialization): time 0.004954/4.761, allocations: 233.7 kB / 2.328 GB, free: 38.66 MB / 1.467 GB
Notification: Performance of collectInitialEqns (initialization): time 0.01043/4.771, allocations: 7.838 MB / 2.335 GB, free: 30.79 MB / 1.467 GB
Notification: Performance of collectInitialBindings (initialization): time 0.009503/4.781, allocations: 3.146 MB / 2.338 GB, free: 27.62 MB / 1.467 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01877/4.8, allocations: 4 MB / 2.342 GB, free: 23.61 MB / 1.467 GB
Notification: Performance of setup shared object (initialization): time 4.986e-05/4.8, allocations: 309 kB / 2.343 GB, free: 23.3 MB / 1.467 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0313/4.831, allocations: 20.27 MB / 2.362 GB, free: 3.004 MB / 1.467 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.8869/5.718, allocations: 23.1 MB / 2.385 GB, free: 470.4 MB / 1.467 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.08266/5.801, allocations: 38.6 MB / 2.423 GB, free: 456.7 MB / 1.467 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.000209/5.801, allocations: 11.78 kB / 2.423 GB, free: 456.7 MB / 1.467 GB
Notification: Performance of matching and sorting (n=1619) (initialization): time 0.6105/6.411, allocations: 134.6 MB / 2.554 GB, free: 365.2 MB / 1.467 GB
Notification: Performance of prepare postOptimizeDAE: time 9.993e-05/6.412, allocations: 65.66 kB / 2.554 GB, free: 365.2 MB / 1.467 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.332e-05/6.412, allocations: 55.94 kB / 2.554 GB, free: 365.1 MB / 1.467 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5856/6.997, allocations: 117.9 MB / 2.669 GB, free: 247.5 MB / 1.467 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01845/7.016, allocations: 3.549 MB / 2.673 GB, free: 244 MB / 1.467 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1344/7.15, allocations: 81.92 MB / 2.753 GB, free: 162 MB / 1.467 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09658/7.247, allocations: 6.445 MB / 2.759 GB, free: 155.5 MB / 1.467 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007524/7.254, allocations: 1.318 MB / 2.76 GB, free: 154.2 MB / 1.467 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04065/7.295, allocations: 23.66 MB / 2.784 GB, free: 130.5 MB / 1.467 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03225/7.327, allocations: 22.59 MB / 2.806 GB, free: 106.9 MB / 1.467 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06008/7.387, allocations: 37.57 MB / 2.842 GB, free: 68.53 MB / 1.467 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.486e-05/7.388, allocations: 16 kB / 2.842 GB, free: 68.52 MB / 1.467 GB
Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 1.513/8.901, allocations: 133.1 MB / 2.972 GB, free: 462.5 MB / 1.483 GB
Notification: Performance of prepare postOptimizeDAE: time 8.687e-05/8.901, allocations: 56.05 kB / 2.972 GB, free: 462.4 MB / 1.483 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.853e-05/8.901, allocations: 53.19 kB / 2.972 GB, free: 462.4 MB / 1.483 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5864/9.487, allocations: 117.6 MB / 3.087 GB, free: 393.4 MB / 1.483 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01748/9.505, allocations: 3.532 MB / 3.091 GB, free: 390 MB / 1.483 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1462/9.651, allocations: 86.17 MB / 3.175 GB, free: 303.8 MB / 1.483 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1059/9.757, allocations: 6.498 MB / 3.181 GB, free: 297.3 MB / 1.483 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.01036/9.768, allocations: 1.282 MB / 3.182 GB, free: 296 MB / 1.483 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 0.01395/9.782, allocations: 0.7634 MB / 3.183 GB, free: 295.3 MB / 1.483 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.01044/9.792, allocations: 1.69 MB / 3.185 GB, free: 294.5 MB / 1.483 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2192/10.01, allocations: 60.76 MB / 3.244 GB, free: 234.1 MB / 1.483 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.216/10.23, allocations: 67.04 MB / 3.31 GB, free: 167.2 MB / 1.483 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.000195/10.23, allocations: 31.94 kB / 3.31 GB, free: 167.2 MB / 1.483 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2106/10.44, allocations: 66.36 MB / 3.374 GB, free: 101 MB / 1.483 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 1.239/11.68, allocations: 130.4 MB / 3.502 GB, free: 465.4 MB / 1.498 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001271/11.68, allocations: 1.25 kB / 3.502 GB, free: 465.4 MB / 1.498 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01284/11.69, allocations: 1.981 MB / 3.504 GB, free: 465.4 MB / 1.498 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3345/12.02, allocations: 81.39 MB / 3.583 GB, free: 449.9 MB / 1.498 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004509/12.03, allocations: 0.5709 MB / 3.584 GB, free: 449.5 MB / 1.498 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1099/12.14, allocations: 58.56 MB / 3.641 GB, free: 410.6 MB / 1.498 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 + (-bou.ports[1].m_flow) - valHea.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 + (-bou.ports[1].m_flow) - valHea.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 + (-bou.ports.1.m_flow.$pDERStateSetJac24.dummyVarStateSetJac24) - valHea.m_flow.$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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1132/12.25, allocations: 54.13 MB / 3.694 GB, free: 355.5 MB / 1.498 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2481/12.5, allocations: 96.27 MB / 3.788 GB, free: 260.4 MB / 1.498 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01616/12.52, allocations: 6.033 MB / 3.794 GB, free: 255.3 MB / 1.498 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.008772/12.52, allocations: 208 kB / 3.794 GB, free: 255.1 MB / 1.498 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05342/12.58, allocations: 3.317 MB / 3.797 GB, free: 251.8 MB / 1.498 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005561/12.58, allocations: 0.8719 MB / 3.798 GB, free: 250.9 MB / 1.498 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003649/12.59, allocations: 0.6275 MB / 3.799 GB, free: 250.3 MB / 1.498 GB
Notification: Performance of sorting global known variables: time 0.02175/12.61, allocations: 12.16 MB / 3.811 GB, free: 238.2 MB / 1.498 GB
Notification: Performance of sort global known variables: time 5.11e-07/12.61, allocations: 0 / 3.811 GB, free: 238.2 MB / 1.498 GB
Notification: Performance of remove unused functions: time 0.08712/12.7, allocations: 38.71 MB / 3.848 GB, free: 199.6 MB / 1.498 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.006954/12.7, allocations: 1.941 MB / 3.85 GB, free: 198 MB / 1.498 GB
Notification: Performance of simCode: created initialization part: time 0.1324/12.84, allocations: 77.46 MB / 3.926 GB, free: 120.6 MB / 1.498 GB
Notification: Performance of simCode: created event and clocks part: time 1.394e-05/12.84, allocations: 8.312 kB / 3.926 GB, free: 120.6 MB / 1.498 GB
Notification: Performance of simCode: created simulation system equations: time 0.05295/12.89, allocations: 25.52 MB / 3.951 GB, free: 95.1 MB / 1.498 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05886/12.95, allocations: 7.977 MB / 3.959 GB, free: 87.38 MB / 1.498 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.08581/13.03, allocations: 54.49 MB / 4.012 GB, free: 32.92 MB / 1.498 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01731/13.05, allocations: 10.45 MB / 4.022 GB, free: 22.43 MB / 1.498 GB
Notification: Performance of simCode: alias equations: time 0.0312/13.08, allocations: 7.975 MB / 4.03 GB, free: 14.44 MB / 1.498 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01371/13.1, allocations: 2.062 MB / 4.032 GB, free: 12.37 MB / 1.498 GB
Notification: Performance of SimCode: time 1.061e-06/13.1, allocations: 0 / 4.032 GB, free: 12.37 MB / 1.498 GB
Notification: Performance of Templates: time 2.35/15.45, allocations: 0.6414 GB / 4.673 GB, free: 449.3 MB / 1.514 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)