Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo", uses=false)
Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified3,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3")
translateModel(Buildings.Fluid.Examples.FlowSystem.Simplified3,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pmpNorth.m_flow|pmpSouth.m_flow",fileNamePrefix="Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001484/0.001484, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00178/0.00178, allocations: 195.3 kB / 16.53 MB, free: 6.664 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.425/1.425, allocations: 222.9 MB / 240.2 MB, free: 4.371 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.973/2.973, allocations: 472.6 MB / 0.7451 GB, free: 4.613 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.001263/0.001263, allocations: 58.8 kB / 0.912 GB, free: 33.46 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3303/0.3316, allocations: 159.9 MB / 1.068 GB, free: 10.42 MB / 0.8262 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Simplified3): time 1.047/1.378, allocations: 357.8 MB / 1.418 GB, free: 1.398 MB / 1.014 GB
Notification: Performance of NFInst.instExpressions: time 0.1155/1.494, allocations: 75.87 MB / 1.492 GB, free: 9.871 MB / 1.092 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01664/1.511, allocations: 433.5 kB / 1.492 GB, free: 9.445 MB / 1.092 GB
Notification: Performance of NFTyping.typeComponents: time 0.04263/1.553, allocations: 23.47 MB / 1.515 GB, free: 1.922 MB / 1.107 GB
Notification: Performance of NFTyping.typeBindings: time 0.04822/1.602, allocations: 14.04 MB / 1.529 GB, free: 3.836 MB / 1.123 GB
Notification: Performance of NFTyping.typeClassSections: time 0.02656/1.628, allocations: 10.04 MB / 1.539 GB, free: 9.867 MB / 1.139 GB
Notification: Performance of NFFlatten.flatten: time 0.1014/1.73, allocations: 66.66 MB / 1.604 GB, free: 7.164 MB / 1.201 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.03228/1.762, allocations: 19.98 MB / 1.623 GB, free: 3.027 MB / 1.217 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.03526/1.797, allocations: 16.93 MB / 1.64 GB, free: 2.07 MB / 1.232 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.02776/1.825, allocations: 16.31 MB / 1.656 GB, free: 1.699 MB / 1.248 GB
Notification: Performance of NFPackage.collectConstants: time 0.00833/1.833, allocations: 1.953 MB / 1.658 GB, free: 15.74 MB / 1.264 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.02129/1.855, allocations: 6.616 MB / 1.664 GB, free: 9.125 MB / 1.264 GB
Notification: Performance of NFScalarize.scalarize: time 0.01091/1.866, allocations: 6.484 MB / 1.67 GB, free: 2.621 MB / 1.264 GB
Notification: Performance of NFVerifyModel.verify: time 0.02314/1.889, allocations: 11.19 MB / 1.681 GB, free: 7.375 MB / 1.279 GB
Notification: Performance of NFConvertDAE.convert: time 0.04519/1.934, allocations: 31.27 MB / 1.712 GB, free: 8.016 MB / 1.311 GB
Notification: Performance of FrontEnd - DAE generated: time 6.111e-06/1.934, allocations: 0 / 1.712 GB, free: 8.016 MB / 1.311 GB
Notification: Performance of FrontEnd: time 2.274e-06/1.934, allocations: 0 / 1.712 GB, free: 8.016 MB / 1.311 GB
Notification: Performance of Transformations before backend: time 0.0008548/1.935, allocations: 0 / 1.712 GB, free: 8.016 MB / 1.311 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 0.06776/2.003, allocations: 23.94 MB / 1.735 GB, free: 15.87 MB / 1.342 GB
Notification: Performance of prepare preOptimizeDAE: time 4.513e-05/2.003, allocations: 8.031 kB / 1.735 GB, free: 15.86 MB / 1.342 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01761/2.02, allocations: 3.185 MB / 1.738 GB, free: 12.65 MB / 1.342 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.04327/2.064, allocations: 19.67 MB / 1.757 GB, free: 8.848 MB / 1.357 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000904/2.065, allocations: 0.7058 MB / 1.758 GB, free: 8.141 MB / 1.357 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.004796/2.069, allocations: 0.9372 MB / 1.759 GB, free: 7.203 MB / 1.357 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.6327/2.702, allocations: 17.08 MB / 1.776 GB, free: 499.1 MB / 1.357 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000326/2.703, allocations: 15.5 kB / 1.776 GB, free: 499.1 MB / 1.357 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003505/2.706, allocations: 329.9 kB / 1.776 GB, free: 498.8 MB / 1.357 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003763/2.706, allocations: 370.9 kB / 1.776 GB, free: 498.8 MB / 1.357 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04824/2.755, allocations: 21.52 MB / 1.797 GB, free: 492.1 MB / 1.357 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 0.1502/2.905, allocations: 83.65 MB / 1.879 GB, free: 431.3 MB / 1.357 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0211/2.926, allocations: 13.05 MB / 1.892 GB, free: 422.2 MB / 1.357 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01431/2.94, allocations: 10.04 MB / 1.902 GB, free: 412.2 MB / 1.357 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 0.07001/3.01, allocations: 35.38 MB / 1.936 GB, free: 377 MB / 1.357 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01879/3.029, allocations: 10.16 MB / 1.946 GB, free: 366.8 MB / 1.357 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.02214/3.052, allocations: 5.819 MB / 1.952 GB, free: 361.8 MB / 1.357 GB
Notification: Performance of pre-optimization done (n=567): time 3.519e-05/3.052, allocations: 3.844 kB / 1.952 GB, free: 361.8 MB / 1.357 GB
Notification: Performance of matching and sorting (n=838): time 1.019/4.071, allocations: 217.8 MB / 2.165 GB, free: 143.1 MB / 1.357 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.128/4.199, allocations: 56 MB / 2.219 GB, free: 85.97 MB / 1.357 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.02646/4.225, allocations: 17.42 MB / 2.236 GB, free: 68.65 MB / 1.357 GB
Notification: Performance of collectPreVariables (initialization): time 0.003976/4.229, allocations: 221.7 kB / 2.236 GB, free: 68.43 MB / 1.357 GB
Notification: Performance of collectInitialEqns (initialization): time 0.007057/4.236, allocations: 7.741 MB / 2.244 GB, free: 60.71 MB / 1.357 GB
Notification: Performance of collectInitialBindings (initialization): time 0.007755/4.244, allocations: 2.998 MB / 2.247 GB, free: 57.73 MB / 1.357 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.01378/4.258, allocations: 4.091 MB / 2.251 GB, free: 53.63 MB / 1.357 GB
Notification: Performance of setup shared object (initialization): time 3.546e-05/4.258, allocations: 301.1 kB / 2.251 GB, free: 53.34 MB / 1.357 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02804/4.286, allocations: 20.61 MB / 2.271 GB, free: 32.7 MB / 1.357 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.03153/4.318, allocations: 23.48 MB / 2.294 GB, free: 8.184 MB / 1.357 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.6487/4.966, allocations: 39.27 MB / 2.333 GB, free: 446.8 MB / 1.357 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001362/4.967, allocations: 16.16 kB / 2.333 GB, free: 446.8 MB / 1.357 GB
Notification: Performance of matching and sorting (n=1667) (initialization): time 0.6346/5.601, allocations: 135.3 MB / 2.465 GB, free: 371.9 MB / 1.357 GB
Notification: Performance of prepare postOptimizeDAE: time 8.162e-05/5.601, allocations: 53.7 kB / 2.465 GB, free: 371.8 MB / 1.357 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.569e-05/5.601, allocations: 52 kB / 2.465 GB, free: 371.8 MB / 1.357 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5887/6.19, allocations: 118 MB / 2.58 GB, free: 254.1 MB / 1.357 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01874/6.209, allocations: 3.599 MB / 2.584 GB, free: 250.5 MB / 1.357 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1408/6.35, allocations: 81.91 MB / 2.664 GB, free: 168.5 MB / 1.357 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1/6.45, allocations: 6.461 MB / 2.67 GB, free: 162.1 MB / 1.357 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.007075/6.457, allocations: 1.353 MB / 2.671 GB, free: 160.7 MB / 1.357 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0401/6.497, allocations: 24 MB / 2.695 GB, free: 136.7 MB / 1.357 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03151/6.528, allocations: 22.97 MB / 2.717 GB, free: 112.7 MB / 1.357 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.05741/6.586, allocations: 38.25 MB / 2.755 GB, free: 73.59 MB / 1.357 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.225e-05/6.586, allocations: 16 kB / 2.755 GB, free: 73.58 MB / 1.357 GB
Notification: Performance of matching and sorting (n=1667) (initialization_lambda0): time 1.246/7.832, allocations: 133.7 MB / 2.885 GB, free: 421.4 MB / 1.357 GB
Notification: Performance of prepare postOptimizeDAE: time 7.399e-05/7.832, allocations: 55.8 kB / 2.885 GB, free: 421.3 MB / 1.357 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.893e-05/7.832, allocations: 52.66 kB / 2.885 GB, free: 421.3 MB / 1.357 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.5937/8.426, allocations: 117.7 MB / 3 GB, free: 326.6 MB / 1.357 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01803/8.444, allocations: 3.566 MB / 3.004 GB, free: 323 MB / 1.357 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1491/8.593, allocations: 86.17 MB / 3.088 GB, free: 236.8 MB / 1.357 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.105/8.698, allocations: 6.506 MB / 3.094 GB, free: 230.3 MB / 1.357 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006811/8.705, allocations: 1.317 MB / 3.095 GB, free: 229 MB / 1.357 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 0.007542/8.713, allocations: 0.7742 MB / 3.096 GB, free: 228.2 MB / 1.357 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.007553/8.72, allocations: 1.602 MB / 3.098 GB, free: 227.5 MB / 1.357 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2264/8.947, allocations: 60.79 MB / 3.157 GB, free: 166.9 MB / 1.357 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2264/9.173, allocations: 67.06 MB / 3.223 GB, free: 99.91 MB / 1.357 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001524/9.174, allocations: 28 kB / 3.223 GB, free: 99.88 MB / 1.357 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2201/9.394, allocations: 66.38 MB / 3.287 GB, free: 33.5 MB / 1.357 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.9831/10.38, allocations: 130.5 MB / 3.415 GB, free: 394 MB / 1.357 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.00012/10.38, allocations: 0 / 3.415 GB, free: 394 MB / 1.357 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01172/10.39, allocations: 1.982 MB / 3.417 GB, free: 393.2 MB / 1.357 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.3393/10.73, allocations: 81.53 MB / 3.496 GB, free: 327.3 MB / 1.357 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003998/10.73, allocations: 0.569 MB / 3.497 GB, free: 326.7 MB / 1.357 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1035/10.84, allocations: 58.57 MB / 3.554 GB, free: 268.1 MB / 1.357 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.$pDERStateSetJac24.dummyVarStateSetJac24 since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1079/10.94, allocations: 54.13 MB / 3.607 GB, free: 213 MB / 1.357 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2592/11.2, allocations: 96.19 MB / 3.701 GB, free: 117.8 MB / 1.357 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01912/11.22, allocations: 5.937 MB / 3.707 GB, free: 112.5 MB / 1.357 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.008913/11.23, allocations: 215.9 kB / 3.707 GB, free: 112.2 MB / 1.357 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05438/11.29, allocations: 3.307 MB / 3.71 GB, free: 108.9 MB / 1.357 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005949/11.29, allocations: 0.8655 MB / 3.711 GB, free: 108.1 MB / 1.357 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003935/11.3, allocations: 0.6276 MB / 3.712 GB, free: 107.4 MB / 1.357 GB
Notification: Performance of sorting global known variables: time 0.02584/11.32, allocations: 11.84 MB / 3.723 GB, free: 95.68 MB / 1.357 GB
Notification: Performance of sort global known variables: time 1.022e-06/11.32, allocations: 0 / 3.723 GB, free: 95.68 MB / 1.357 GB
Notification: Performance of remove unused functions: time 0.09739/11.42, allocations: 38.84 MB / 3.761 GB, free: 56.92 MB / 1.357 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 74 ($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 0.00812/11.43, allocations: 2.051 MB / 3.763 GB, free: 55.01 MB / 1.357 GB
Notification: Performance of simCode: created initialization part: time 0.7789/12.21, allocations: 102.6 MB / 3.863 GB, free: 433.8 MB / 1.357 GB
Notification: Performance of simCode: created event and clocks part: time 1.34e-05/12.21, allocations: 3.438 kB / 3.863 GB, free: 433.8 MB / 1.357 GB
Notification: Performance of simCode: created simulation system equations: time 0.05289/12.26, allocations: 25.5 MB / 3.888 GB, free: 425.8 MB / 1.357 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.05576/12.31, allocations: 7.909 MB / 3.896 GB, free: 423.8 MB / 1.357 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.07842/12.39, allocations: 54.49 MB / 3.949 GB, free: 382.2 MB / 1.357 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01092/12.4, allocations: 10.46 MB / 3.959 GB, free: 371.9 MB / 1.357 GB
Notification: Performance of simCode: alias equations: time 0.02953/12.43, allocations: 7.943 MB / 3.967 GB, free: 364.1 MB / 1.357 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0115/12.44, allocations: 2.051 MB / 3.969 GB, free: 362 MB / 1.357 GB
Notification: Performance of SimCode: time 9.52e-07/12.44, allocations: 0 / 3.969 GB, free: 362 MB / 1.357 GB
Notification: Performance of Templates: time 2.123/14.57, allocations: 0.6462 GB / 4.615 GB, free: 180.4 MB / 1.358 GB
make -j1 -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.makefile
(rm -f Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe >> ../files/Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.sim & ./Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3  -abortSlowSimulation -alarm=480  -emit_protected -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Examples.FlowSystem.Simplified3.pipe 2>&1)