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: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified3,fileNamePrefix="Buildings_10_Buildings_Fluid_Examples_FlowSystem_Simplified3",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Simplified3,fileNamePrefix="Buildings_10_Buildings_Fluid_Examples_FlowSystem_Simplified3",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001169/0.001169, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001213/0.001213, allocations: 194.7 kB / 16.53 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 1.368/1.368, allocations: 222.9 MB / 240.2 MB, free: 4.402 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 2.656/2.656, allocations: 437 MB / 0.7104 GB, free: 5.082 MB / 0.5606 GB
Notification: Performance of FrontEnd - loaded program: time 0.001477/0.001477, allocations: 59.91 kB / 0.8693 GB, free: 4.586 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6532/0.6547, allocations: 151.6 MB / 1.017 GB, free: 2.492 MB / 0.7637 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified3): time 0.8217/1.476, allocations: 357.8 MB / 1.367 GB, free: 39.92 MB / 0.9981 GB
Notification: Performance of NFInst.instExpressions: time 0.08695/1.563, allocations: 75.85 MB / 1.441 GB, free: 9.156 MB / 1.014 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0133/1.577, allocations: 433.5 kB / 1.441 GB, free: 8.73 MB / 1.014 GB
Notification: Performance of NFTyping.typeComponents: time 0.03955/1.616, allocations: 23.47 MB / 1.464 GB, free: 1.203 MB / 1.029 GB
Notification: Performance of NFTyping.typeBindings: time 0.03729/1.654, allocations: 14.04 MB / 1.478 GB, free: 3.117 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02296/1.677, allocations: 10.04 MB / 1.488 GB, free: 9.145 MB / 1.061 GB
Notification: Performance of NFFlatten.flatten: time 0.08792/1.765, allocations: 66.67 MB / 1.553 GB, free: 6.449 MB / 1.123 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02767/1.792, allocations: 19.98 MB / 1.572 GB, free: 2.312 MB / 1.139 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03334/1.826, allocations: 16.91 MB / 1.589 GB, free: 1.379 MB / 1.154 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.02795/1.854, allocations: 16.32 MB / 1.605 GB, free: 1 MB / 1.17 GB
Notification: Performance of NFPackage.collectConstants: time 0.007767/1.861, allocations: 1.953 MB / 1.607 GB, free: 15.04 MB / 1.186 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02226/1.884, allocations: 6.616 MB / 1.613 GB, free: 8.422 MB / 1.186 GB
Notification: Performance of NFScalarize.scalarize: time 0.01684/1.901, allocations: 6.488 MB / 1.619 GB, free: 1.914 MB / 1.186 GB
Notification: Performance of NFVerifyModel.verify: time 0.02293/1.924, allocations: 11.25 MB / 1.63 GB, free: 6.605 MB / 1.201 GB
Notification: Performance of NFConvertDAE.convert: time 0.04543/1.969, allocations: 31.51 MB / 1.661 GB, free: 7.012 MB / 1.232 GB
Notification: Performance of FrontEnd - DAE generated: time 9.789e-06/1.969, allocations: 0 / 1.661 GB, free: 7.012 MB / 1.232 GB
Notification: Performance of FrontEnd: time 2.324e-06/1.969, allocations: 0 / 1.661 GB, free: 7.012 MB / 1.232 GB
Notification: Performance of Transformations before backend: time 0.001015/1.97, allocations: 4 kB / 1.661 GB, free: 7.008 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 0.06595/2.036, allocations: 24.08 MB / 1.685 GB, free: 14.72 MB / 1.264 GB
Notification: Performance of prepare preOptimizeDAE: time 4.38e-05/2.036, allocations: 8.031 kB / 1.685 GB, free: 14.71 MB / 1.264 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003999/2.04, allocations: 1.053 MB / 1.686 GB, free: 13.65 MB / 1.264 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01732/2.058, allocations: 3.193 MB / 1.689 GB, free: 10.43 MB / 1.264 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04336/2.101, allocations: 21.84 MB / 1.71 GB, free: 4.465 MB / 1.279 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008059/2.102, allocations: 0.698 MB / 1.711 GB, free: 3.766 MB / 1.279 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004293/2.106, allocations: 0.9449 MB / 1.712 GB, free: 2.82 MB / 1.279 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.04227/2.148, allocations: 17.08 MB / 1.729 GB, free: 1.52 MB / 1.295 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0005228/2.149, allocations: 15.81 kB / 1.729 GB, free: 1.504 MB / 1.295 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005186/2.154, allocations: 328 kB / 1.729 GB, free: 1.184 MB / 1.295 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004298/2.155, allocations: 367.4 kB / 1.729 GB, free: 0.8242 MB / 1.295 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.5725/2.727, allocations: 21.51 MB / 1.75 GB, free: 0.4884 GB / 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 0.1309/2.858, allocations: 84.33 MB / 1.833 GB, free: 442.8 MB / 1.311 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01862/2.877, allocations: 13.04 MB / 1.845 GB, free: 435.5 MB / 1.311 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01266/2.889, allocations: 10.04 MB / 1.855 GB, free: 429.2 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 0.06433/2.954, allocations: 35.64 MB / 1.89 GB, free: 393.8 MB / 1.311 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01575/2.97, allocations: 10.16 MB / 1.9 GB, free: 383.6 MB / 1.311 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02155/2.991, allocations: 5.813 MB / 1.905 GB, free: 378.5 MB / 1.311 GB
Notification: Performance of pre-optimization done (n=567): time 4.711e-05/2.991, allocations: 0 / 1.905 GB, free: 378.5 MB / 1.311 GB
Notification: Performance of matching and sorting (n=838): time 0.9178/3.909, allocations: 217.9 MB / 2.118 GB, free: 159.9 MB / 1.311 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1487/4.058, allocations: 56 MB / 2.173 GB, free: 102.7 MB / 1.311 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0275/4.085, allocations: 20.12 MB / 2.193 GB, free: 82.7 MB / 1.311 GB
Notification: Performance of collectPreVariables (initialization): time 0.003503/4.089, allocations: 225.7 kB / 2.193 GB, free: 82.48 MB / 1.311 GB
Notification: Performance of collectInitialEqns (initialization): time 0.007357/4.096, allocations: 7.786 MB / 2.2 GB, free: 74.71 MB / 1.311 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00722/4.103, allocations: 3.005 MB / 2.203 GB, free: 71.73 MB / 1.311 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01892/4.122, allocations: 4.087 MB / 2.207 GB, free: 67.63 MB / 1.311 GB
Notification: Performance of setup shared object (initialization): time 5.951e-05/4.122, allocations: 309.1 kB / 2.208 GB, free: 67.32 MB / 1.311 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.04424/4.167, allocations: 20.6 MB / 2.228 GB, free: 46.7 MB / 1.311 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.04872/4.215, allocations: 23.48 MB / 2.251 GB, free: 22.17 MB / 1.311 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.6092/4.825, allocations: 39.27 MB / 2.289 GB, free: 454.1 MB / 1.311 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.616e-05/4.825, allocations: 15.09 kB / 2.289 GB, free: 454.1 MB / 1.311 GB
Notification: Performance of matching and sorting (n=1667) (initialization): time 0.6194/5.444, allocations: 135.3 MB / 2.421 GB, free: 376.9 MB / 1.311 GB
Notification: Performance of prepare postOptimizeDAE: time 7.6e-05/5.444, allocations: 57.69 kB / 2.421 GB, free: 376.9 MB / 1.311 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.359e-05/5.444, allocations: 52 kB / 2.421 GB, free: 376.8 MB / 1.311 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6038/6.048, allocations: 118 MB / 2.537 GB, free: 259.2 MB / 1.311 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01858/6.067, allocations: 3.592 MB / 2.54 GB, free: 255.6 MB / 1.311 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1394/6.206, allocations: 81.92 MB / 2.62 GB, free: 173.6 MB / 1.311 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09807/6.304, allocations: 6.471 MB / 2.626 GB, free: 167.1 MB / 1.311 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006786/6.311, allocations: 1.345 MB / 2.628 GB, free: 165.7 MB / 1.311 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03809/6.349, allocations: 24 MB / 2.651 GB, free: 141.7 MB / 1.311 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.02968/6.379, allocations: 22.96 MB / 2.674 GB, free: 117.7 MB / 1.311 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05469/6.434, allocations: 38.26 MB / 2.711 GB, free: 78.63 MB / 1.311 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.059e-05/6.434, allocations: 16 kB / 2.711 GB, free: 78.62 MB / 1.311 GB
Notification: Performance of matching and sorting (n=1667) (initialization_lambda0): time 1.133/7.567, allocations: 133.7 MB / 2.842 GB, free: 421.9 MB / 1.311 GB
Notification: Performance of prepare postOptimizeDAE: time 6.368e-05/7.567, allocations: 58.02 kB / 2.842 GB, free: 421.9 MB / 1.311 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.218e-05/7.567, allocations: 54.78 kB / 2.842 GB, free: 421.9 MB / 1.311 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6044/8.171, allocations: 117.7 MB / 2.957 GB, free: 320.9 MB / 1.311 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01643/8.188, allocations: 3.578 MB / 2.96 GB, free: 317.4 MB / 1.311 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1385/8.326, allocations: 86.17 MB / 3.044 GB, free: 231.1 MB / 1.311 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09979/8.426, allocations: 6.507 MB / 3.051 GB, free: 224.6 MB / 1.311 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005582/8.432, allocations: 1.31 MB / 3.052 GB, free: 223.3 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 0.006606/8.438, allocations: 0.7703 MB / 3.053 GB, free: 222.6 MB / 1.311 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006833/8.445, allocations: 1.618 MB / 3.054 GB, free: 221.8 MB / 1.311 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2193/8.664, allocations: 60.78 MB / 3.114 GB, free: 161.2 MB / 1.311 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2184/8.883, allocations: 67.07 MB / 3.179 GB, free: 94.2 MB / 1.311 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.00027/8.883, allocations: 28 kB / 3.179 GB, free: 94.17 MB / 1.311 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.7268/9.61, allocations: 66.37 MB / 3.244 GB, free: 414.7 MB / 1.311 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3076/9.918, allocations: 130.7 MB / 3.371 GB, free: 371.5 MB / 1.311 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.472e-05/9.918, allocations: 0 / 3.371 GB, free: 371.5 MB / 1.311 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01219/9.93, allocations: 1.982 MB / 3.373 GB, free: 370.7 MB / 1.311 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3437/10.27, allocations: 81.54 MB / 3.453 GB, free: 303.1 MB / 1.311 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003641/10.28, allocations: 0.5651 MB / 3.454 GB, free: 302.6 MB / 1.311 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1055/10.38, allocations: 58.56 MB / 3.511 GB, free: 244 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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1056/10.49, allocations: 54.13 MB / 3.564 GB, free: 188.8 MB / 1.311 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2545/10.74, allocations: 96.2 MB / 3.658 GB, free: 93.55 MB / 1.311 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01541/10.76, allocations: 6.023 MB / 3.663 GB, free: 88.16 MB / 1.311 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007445/10.77, allocations: 212 kB / 3.664 GB, free: 87.96 MB / 1.311 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05542/10.82, allocations: 3.327 MB / 3.667 GB, free: 84.62 MB / 1.311 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005119/10.83, allocations: 0.8655 MB / 3.668 GB, free: 83.75 MB / 1.311 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003269/10.83, allocations: 0.6276 MB / 3.668 GB, free: 83.12 MB / 1.311 GB
Notification: Performance of sorting global known variables: time 0.02289/10.85, allocations: 13.97 MB / 3.682 GB, free: 69.25 MB / 1.311 GB
Notification: Performance of sort global known variables: time 4.2e-07/10.85, allocations: 0 / 3.682 GB, free: 69.25 MB / 1.311 GB
Notification: Performance of remove unused functions: time 0.08472/10.94, allocations: 38.87 MB / 3.72 GB, free: 30.46 MB / 1.311 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.7467/11.68, allocations: 97.81 MB / 3.816 GB, free: 411.6 MB / 1.311 GB
Notification: Performance of simCode: created initialization part: time 0.1931/11.88, allocations: 102.6 MB / 3.916 GB, free: 332.4 MB / 1.311 GB
Notification: Performance of simCode: created event and clocks part: time 1.039e-05/11.88, allocations: 4 kB / 3.916 GB, free: 332.4 MB / 1.311 GB
Notification: Performance of simCode: created simulation system equations: time 0.05406/11.93, allocations: 25.52 MB / 3.941 GB, free: 307.3 MB / 1.311 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0528/11.98, allocations: 7.906 MB / 3.948 GB, free: 300.2 MB / 1.311 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 2.665/14.65, allocations: 0.5496 GB / 4.498 GB, free: 244.9 MB / 1.311 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01223/14.66, allocations: 10.46 MB / 4.508 GB, free: 234.4 MB / 1.311 GB
Notification: Performance of simCode: alias equations: time 0.02894/14.69, allocations: 7.969 MB / 4.516 GB, free: 226.7 MB / 1.311 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02082/14.71, allocations: 10.35 MB / 4.526 GB, free: 216.3 MB / 1.311 GB
Notification: Performance of SimCode: time 1.383e-06/14.71, allocations: 4 kB / 4.526 GB, free: 216.3 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 2.115/16.83, allocations: 0.8126 GB / 5.339 GB, free: 348.1 MB / 1.311 GB
Notification: Performance of buildModelFMU: Generate platform static: time 30.74/47.57, allocations: 0 / 5.339 GB, free: 348.1 MB / 1.311 GB
(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 & python3 -m fmpy simulate  --output-file Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3_res.csv --start-time 0 --stop-time 1000 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 Buildings_10_Buildings_Fluid_Examples_FlowSystem_Simplified3.fmu > Buildings_10_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)