Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(IBPSA.Fluid.Examples.FlowSystem.Simplified3,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Examples_FlowSystem_Simplified3",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Fluid.Examples.FlowSystem.Simplified3,fileNamePrefix="IBPSA_latest_IBPSA_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 0.001129/0.001129, allocations: 100.1 kB / 16.4 MB, free: 6 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001104/0.001104, allocations: 197.1 kB / 17.34 MB, free: 5.582 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.298/1.298, allocations: 222.9 MB / 241 MB, free: 15.09 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7311/0.7311, allocations: 122.9 MB / 414.1 MB, free: 15.8 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001234/0.001234, allocations: 67.12 kB / 0.568 GB, free: 28.94 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1228/0.1241, allocations: 77.92 MB / 0.6441 GB, free: 9.438 MB / 494.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Simplified3): time 0.591/0.7151, allocations: 357.7 MB / 0.9935 GB, free: 9.547 MB / 0.7481 GB
Notification: Performance of NFInst.instExpressions: time 0.4872/1.202, allocations: 75.85 MB / 1.068 GB, free: 31.13 MB / 0.795 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01462/1.217, allocations: 435.3 kB / 1.068 GB, free: 31.13 MB / 0.795 GB
Notification: Performance of NFTyping.typeComponents: time 0.01743/1.234, allocations: 6.554 MB / 1.074 GB, free: 31.11 MB / 0.795 GB
Notification: Performance of NFTyping.typeBindings: time 0.03636/1.271, allocations: 14.76 MB / 1.089 GB, free: 30.66 MB / 0.795 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02159/1.292, allocations: 10.2 MB / 1.099 GB, free: 30.36 MB / 0.795 GB
Notification: Performance of NFFlatten.flatten: time 0.08485/1.377, allocations: 74.27 MB / 1.171 GB, free: 13.34 MB / 0.795 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.02468/1.402, allocations: 20.06 MB / 1.191 GB, free: 12.32 MB / 0.8106 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03609/1.438, allocations: 17.44 MB / 1.208 GB, free: 11.83 MB / 0.8262 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.03058/1.469, allocations: 16.37 MB / 1.224 GB, free: 12.62 MB / 0.8419 GB
Notification: Performance of NFPackage.collectConstants: time 0.007394/1.476, allocations: 1.957 MB / 1.226 GB, free: 10.66 MB / 0.8419 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01969/1.496, allocations: 6.053 MB / 1.232 GB, free: 4.883 MB / 0.8419 GB
Notification: Performance of NFScalarize.scalarize: time 0.01035/1.506, allocations: 6.489 MB / 1.238 GB, free: 14.62 MB / 0.8575 GB
Notification: Performance of NFVerifyModel.verify: time 0.02268/1.529, allocations: 11.26 MB / 1.249 GB, free: 3.551 MB / 0.8575 GB
Notification: Performance of NFConvertDAE.convert: time 0.04913/1.578, allocations: 31.43 MB / 1.28 GB, free: 5.223 MB / 0.8887 GB
Notification: Performance of FrontEnd - DAE generated: time 4.889e-06/1.578, allocations: 0 / 1.28 GB, free: 5.223 MB / 0.8887 GB
Notification: Performance of FrontEnd: time 1.944e-06/1.578, allocations: 4 kB / 1.28 GB, free: 5.219 MB / 0.8887 GB
Notification: Performance of Transformations before backend: time 0.0008923/1.579, allocations: 0 / 1.28 GB, free: 5.219 MB / 0.8887 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 0.07044/1.65, allocations: 24.7 MB / 1.304 GB, free: 12.63 MB / 0.92 GB
Notification: Performance of prepare preOptimizeDAE: time 4.571e-05/1.65, allocations: 16.56 kB / 1.304 GB, free: 12.62 MB / 0.92 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004356/1.654, allocations: 1.052 MB / 1.305 GB, free: 11.56 MB / 0.92 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01827/1.672, allocations: 3.298 MB / 1.308 GB, free: 8.25 MB / 0.92 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.05067/1.723, allocations: 23.15 MB / 1.331 GB, free: 1.422 MB / 0.9356 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007314/1.724, allocations: 0.6744 MB / 1.331 GB, free: 0.7539 MB / 0.9356 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004451/1.728, allocations: 0.9414 MB / 1.332 GB, free: 15.82 MB / 0.9512 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.03952/1.768, allocations: 17.06 MB / 1.349 GB, free: 14.56 MB / 0.9669 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000254/1.768, allocations: 19.83 kB / 1.349 GB, free: 14.54 MB / 0.9669 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00298/1.771, allocations: 334.7 kB / 1.349 GB, free: 14.22 MB / 0.9669 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003455/1.771, allocations: 363.4 kB / 1.35 GB, free: 13.86 MB / 0.9669 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04069/1.812, allocations: 21.5 MB / 1.371 GB, free: 8.352 MB / 0.9825 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 0.7102/2.522, allocations: 84.07 MB / 1.453 GB, free: 459.4 MB / 1.014 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0199/2.542, allocations: 13.02 MB / 1.465 GB, free: 452.1 MB / 1.014 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0149/2.557, allocations: 10.09 MB / 1.475 GB, free: 446.5 MB / 1.014 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 0.06949/2.627, allocations: 35.58 MB / 1.51 GB, free: 420.6 MB / 1.014 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01659/2.643, allocations: 10.15 MB / 1.52 GB, free: 410.4 MB / 1.014 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.0198/2.663, allocations: 5.818 MB / 1.526 GB, free: 405.4 MB / 1.014 GB
Notification: Performance of pre-optimization done (n=567): time 2.901e-05/2.663, allocations: 0 / 1.526 GB, free: 405.4 MB / 1.014 GB
Notification: Performance of matching and sorting (n=838): time 0.9316/3.595, allocations: 218.1 MB / 1.739 GB, free: 188.7 MB / 1.014 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.1313/3.726, allocations: 55.95 MB / 1.793 GB, free: 131.6 MB / 1.014 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02658/3.753, allocations: 20.51 MB / 1.813 GB, free: 111.3 MB / 1.014 GB
Notification: Performance of collectPreVariables (initialization): time 0.003691/3.756, allocations: 217.7 kB / 1.814 GB, free: 111.1 MB / 1.014 GB
Notification: Performance of collectInitialEqns (initialization): time 0.005996/3.762, allocations: 7.874 MB / 1.821 GB, free: 103.7 MB / 1.014 GB
Notification: Performance of collectInitialBindings (initialization): time 0.006987/3.769, allocations: 3.153 MB / 1.824 GB, free: 101 MB / 1.014 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.007985/3.777, allocations: 3.999 MB / 1.828 GB, free: 96.95 MB / 1.014 GB
Notification: Performance of setup shared object (initialization): time 3.163e-05/3.777, allocations: 301.1 kB / 1.828 GB, free: 96.66 MB / 1.014 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02621/3.804, allocations: 20.28 MB / 1.848 GB, free: 76.35 MB / 1.014 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.02851/3.832, allocations: 23.1 MB / 1.871 GB, free: 52.21 MB / 1.014 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.05414/3.886, allocations: 38.6 MB / 1.909 GB, free: 12.8 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.777e-05/3.886, allocations: 20 kB / 1.909 GB, free: 12.78 MB / 1.014 GB
Notification: Performance of matching and sorting (n=1619) (initialization): time 1.225/5.112, allocations: 134.6 MB / 2.04 GB, free: 394 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001024/5.112, allocations: 57.73 kB / 2.04 GB, free: 394 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.226e-05/5.112, allocations: 52 kB / 2.04 GB, free: 393.9 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6182/5.73, allocations: 118 MB / 2.155 GB, free: 276.3 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01873/5.749, allocations: 3.56 MB / 2.159 GB, free: 272.8 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1391/5.888, allocations: 81.9 MB / 2.239 GB, free: 190.8 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09735/5.986, allocations: 6.449 MB / 2.245 GB, free: 184.4 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005016/5.991, allocations: 1.314 MB / 2.246 GB, free: 183 MB / 1.014 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03376/6.024, allocations: 23.67 MB / 2.269 GB, free: 159.4 MB / 1.014 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.02819/6.053, allocations: 22.59 MB / 2.292 GB, free: 135.7 MB / 1.014 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05348/6.106, allocations: 37.57 MB / 2.328 GB, free: 97.34 MB / 1.014 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.106e-05/6.106, allocations: 16 kB / 2.328 GB, free: 97.33 MB / 1.014 GB
Notification: Performance of matching and sorting (n=1619) (initialization_lambda0): time 0.9524/7.059, allocations: 133.1 MB / 2.458 GB, free: 420.7 MB / 1.014 GB
Notification: Performance of prepare postOptimizeDAE: time 9.561e-05/7.059, allocations: 53.14 kB / 2.458 GB, free: 420.7 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.201e-05/7.059, allocations: 53.22 kB / 2.458 GB, free: 420.7 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.6155/7.674, allocations: 117.6 MB / 2.573 GB, free: 339.7 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01738/7.692, allocations: 3.527 MB / 2.577 GB, free: 336.3 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1524/7.844, allocations: 86.17 MB / 2.661 GB, free: 250.1 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.09898/7.943, allocations: 6.501 MB / 2.667 GB, free: 243.6 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005999/7.949, allocations: 1.279 MB / 2.668 GB, free: 242.3 MB / 1.014 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 0.008536/7.958, allocations: 0.7698 MB / 2.669 GB, free: 241.6 MB / 1.014 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008262/7.966, allocations: 1.704 MB / 2.671 GB, free: 240.8 MB / 1.014 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2227/8.189, allocations: 60.76 MB / 2.73 GB, free: 180.4 MB / 1.014 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2288/8.417, allocations: 67.03 MB / 2.796 GB, free: 113.5 MB / 1.014 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001012/8.418, allocations: 31.94 kB / 2.796 GB, free: 113.5 MB / 1.014 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2213/8.639, allocations: 66.36 MB / 2.86 GB, free: 47.3 MB / 1.014 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.6652/9.304, allocations: 130.7 MB / 2.988 GB, free: 394.2 MB / 1.014 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.914e-05/9.304, allocations: 0 / 2.988 GB, free: 394.2 MB / 1.014 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01175/9.316, allocations: 1.97 MB / 2.99 GB, free: 394.1 MB / 1.014 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.354/9.67, allocations: 81.39 MB / 3.069 GB, free: 325.4 MB / 1.014 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003395/9.674, allocations: 0.5729 MB / 3.07 GB, free: 324.9 MB / 1.014 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1051/9.779, allocations: 58.57 MB / 3.127 GB, free: 266.3 MB / 1.014 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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1087/9.887, allocations: 54.08 MB / 3.18 GB, free: 211.2 MB / 1.014 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2652/10.15, allocations: 96.28 MB / 3.274 GB, free: 116.1 MB / 1.014 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01996/10.17, allocations: 6.112 MB / 3.28 GB, free: 110.9 MB / 1.014 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00761/10.18, allocations: 215.9 kB / 3.28 GB, free: 110.7 MB / 1.014 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05562/10.24, allocations: 3.313 MB / 3.283 GB, free: 107.4 MB / 1.014 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.004516/10.24, allocations: 0.8655 MB / 3.284 GB, free: 106.5 MB / 1.014 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.00305/10.24, allocations: 0.6315 MB / 3.285 GB, free: 105.9 MB / 1.014 GB
Notification: Performance of sorting global known variables: time 0.02294/10.27, allocations: 14.29 MB / 3.299 GB, free: 91.67 MB / 1.014 GB
Notification: Performance of sort global known variables: time 4e-07/10.27, allocations: 4 kB / 3.299 GB, free: 91.67 MB / 1.014 GB
Notification: Performance of remove unused functions: time 0.08369/10.35, allocations: 38.73 MB / 3.337 GB, free: 53.11 MB / 1.014 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.6022/10.95, allocations: 97.79 MB / 3.432 GB, free: 404.9 MB / 1.014 GB
Notification: Performance of simCode: created initialization part: time 0.1333/11.09, allocations: 77.47 MB / 3.508 GB, free: 378.2 MB / 1.014 GB
Notification: Performance of simCode: created event and clocks part: time 1.04e-05/11.09, allocations: 4 kB / 3.508 GB, free: 378.2 MB / 1.014 GB
Notification: Performance of simCode: created simulation system equations: time 0.05596/11.14, allocations: 25.5 MB / 3.533 GB, free: 353.5 MB / 1.014 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05743/11.2, allocations: 7.986 MB / 3.541 GB, free: 346.2 MB / 1.014 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.912/13.11, allocations: 444.4 MB / 3.975 GB, free: 380.5 MB / 1.014 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01453/13.13, allocations: 10.46 MB / 3.985 GB, free: 374.2 MB / 1.014 GB
Notification: Performance of simCode: alias equations: time 0.02798/13.15, allocations: 7.99 MB / 3.993 GB, free: 366.4 MB / 1.014 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02101/13.17, allocations: 10.36 MB / 4.003 GB, free: 356.1 MB / 1.014 GB
Notification: Performance of SimCode: time 7.51e-07/13.17, allocations: 0 / 4.003 GB, free: 356.1 MB / 1.014 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 1.667/14.84, allocations: 0.8085 GB / 4.811 GB, free: 354.8 MB / 1.014 GB
Notification: Performance of buildModelFMU: Generate platform static: time 112.1/127, allocations: 3.656 kB / 4.811 GB, free: 354.8 MB / 1.014 GB
(rm -f IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.sim & python3 -m fmpy simulate  --output-file IBPSA_latest_IBPSA.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 IBPSA_latest_IBPSA_Fluid_Examples_FlowSystem_Simplified3.fmu > IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)