Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001185/0.001185, allocations: 104.3 kB / 19.72 MB, free: 428 kB / 13.93 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001424/0.001424, allocations: 214.8 kB / 23.02 MB, free: 2.965 MB / 13.93 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.9563/0.9563, allocations: 230.6 MB / 256.8 MB, free: 9.578 MB / 202.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.929/1.929, allocations: 0.5045 GB / 0.8104 GB, free: 2.766 MB / 0.6511 GB
"
[Timeout remaining time 178]
Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo)
Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo)
Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo)
Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="Buildings_13_Buildings_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="Buildings_13_Buildings_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 0.0009398/0.0009398, allocations: 68.02 kB / 1.177 GB, free: 12 MB / 0.9636 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.6837/0.6846, allocations: 180 MB / 1.352 GB, free: 1.707 MB / 1.026 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.FlowSystem.Basic): time 0.1972/0.8819, allocations: 329 MB / 1.674 GB, free: 7.613 MB / 1.354 GB
Notification: Performance of NFInst.instExpressions: time 0.7432/1.625, allocations: 70.66 MB / 1.743 GB, free: 57.65 MB / 1.385 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.01282/1.638, allocations: 0.6001 MB / 1.743 GB, free: 57.65 MB / 1.385 GB
Notification: Performance of NFTyping.typeComponents: time 0.01375/1.652, allocations: 6.376 MB / 1.75 GB, free: 57.63 MB / 1.385 GB
Notification: Performance of NFTyping.typeBindings: time 0.03149/1.683, allocations: 14.98 MB / 1.764 GB, free: 57.1 MB / 1.385 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01605/1.699, allocations: 10.45 MB / 1.774 GB, free: 56.82 MB / 1.385 GB
Notification: Performance of NFFlatten.flatten: time 0.04653/1.746, allocations: 56.46 MB / 1.83 GB, free: 56.44 MB / 1.385 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01717/1.763, allocations: 15.16 MB / 1.844 GB, free: 51.48 MB / 1.385 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.02544/1.788, allocations: 18.56 MB / 1.862 GB, free: 42.17 MB / 1.385 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.02128/1.81, allocations: 16.08 MB / 1.878 GB, free: 31.31 MB / 1.385 GB
Notification: Performance of NFPackage.collectConstants: time 0.006178/1.816, allocations: 1.785 MB / 1.88 GB, free: 29.52 MB / 1.385 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01378/1.83, allocations: 5.16 MB / 1.885 GB, free: 24.57 MB / 1.385 GB
Notification: Performance of NFScalarize.scalarize: time 0.003813/1.833, allocations: 6.175 MB / 1.891 GB, free: 18.63 MB / 1.385 GB
Notification: Performance of NFVerifyModel.verify: time 0.01084/1.844, allocations: 8.881 MB / 1.9 GB, free: 9.961 MB / 1.385 GB
Notification: Performance of NFConvertDAE.convert: time 0.02669/1.871, allocations: 29.99 MB / 1.929 GB, free: 13.12 MB / 1.417 GB
Notification: Performance of FrontEnd - DAE generated: time 6.993e-06/1.871, allocations: 4 kB / 1.929 GB, free: 13.12 MB / 1.417 GB
Notification: Performance of FrontEnd: time 1.783e-06/1.871, allocations: 0 / 1.929 GB, free: 13.12 MB / 1.417 GB
Notification: Performance of Transformations before backend: time 0.000716/1.872, allocations: 0 / 1.929 GB, free: 13.12 MB / 1.417 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 1949
 * Number of variables: 1949
Notification: Performance of Generate backend data structure: time 0.02903/1.901, allocations: 20.96 MB / 1.949 GB, free: 8.262 MB / 1.432 GB
Notification: Performance of prepare preOptimizeDAE: time 4.37e-05/1.901, allocations: 12.92 kB / 1.949 GB, free: 8.25 MB / 1.432 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001209/1.902, allocations: 0.9963 MB / 1.95 GB, free: 7.234 MB / 1.432 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007786/1.91, allocations: 3.235 MB / 1.954 GB, free: 3.984 MB / 1.432 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.02677/1.936, allocations: 21.58 MB / 1.975 GB, free: 14.69 MB / 1.464 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003962/1.937, allocations: 0.6505 MB / 1.975 GB, free: 14.04 MB / 1.464 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002183/1.939, allocations: 0.8974 MB / 1.976 GB, free: 13.14 MB / 1.464 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02132/1.96, allocations: 18.24 MB / 1.994 GB, free: 10.46 MB / 1.479 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001265/1.96, allocations: 11.89 kB / 1.994 GB, free: 10.45 MB / 1.479 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009766/1.961, allocations: 322.9 kB / 1.994 GB, free: 10.13 MB / 1.479 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001293/1.962, allocations: 207.9 kB / 1.994 GB, free: 9.93 MB / 1.479 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02509/1.987, allocations: 21.5 MB / 2.015 GB, free: 4.414 MB / 1.495 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 0.07421/2.061, allocations: 62.29 MB / 2.076 GB, free: 7.207 MB / 1.557 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01462/2.076, allocations: 12.79 MB / 2.089 GB, free: 10.43 MB / 1.573 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.01011/2.086, allocations: 9.365 MB / 2.098 GB, free: 1.035 MB / 1.573 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 0.03893/2.125, allocations: 29.8 MB / 2.127 GB, free: 3.336 MB / 1.604 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0123/2.137, allocations: 11.77 MB / 2.139 GB, free: 7.262 MB / 1.62 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.01694/2.154, allocations: 8.246 MB / 2.147 GB, free: 15.25 MB / 1.635 GB
Notification: Performance of pre-optimization done (n=548): time 1.78e-05/2.154, allocations: 0 / 2.147 GB, free: 15.25 MB / 1.635 GB
Notification: Performance of matching and sorting (n=832): time 0.5488/2.703, allocations: 248.8 MB / 2.39 GB, free: 5.082 MB / 1.87 GB
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 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
[
  -1.0 , -1.0 ;
  1.0 , 1.0
]
  *
[
  tabsSouth1[1].m_flow ;
  tabsSouth1[2].m_flow
]
  =
[
  tabsSouth1[3].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 + (-spl1.res1.m_flow) - valCoo.m_flow - valNorth.res3.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
2 : 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 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1[2].m_flow ;
  tabsSouth1[1].m_flow
]
  =
[
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ;
  tabsSouth1[3].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 + (-spl1.res1.m_flow) - valCoo.m_flow - valNorth.res3.m_flow - valSouth.res3.m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valCoo.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + spl1.res1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + valNorth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + valSouth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsNorth2[8].m_flow.SeedStateSetJac0) - tabsNorth2[7].m_flow.SeedStateSetJac0 - tabsNorth2[6].m_flow.SeedStateSetJac0 - tabsNorth2[5].m_flow.SeedStateSetJac0 - tabsNorth2[4].m_flow.SeedStateSetJac0 - tabsNorth2[3].m_flow.SeedStateSetJac0 - tabsNorth2[2].m_flow.SeedStateSetJac0 - tabsNorth2[1].m_flow.SeedStateSetJac0 - tabsNorth1[4].m_flow.SeedStateSetJac0 - tabsNorth1[3].m_flow.SeedStateSetJac0 - tabsNorth1[2].m_flow.SeedStateSetJac0 - tabsNorth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth2[8].m_flow.SeedStateSetJac0 - tabsSouth2[7].m_flow.SeedStateSetJac0 - tabsSouth2[6].m_flow.SeedStateSetJac0 - tabsSouth2[5].m_flow.SeedStateSetJac0 - tabsSouth2[4].m_flow.SeedStateSetJac0 - tabsSouth2[3].m_flow.SeedStateSetJac0 - tabsSouth2[2].m_flow.SeedStateSetJac0 - tabsSouth2[1].m_flow.SeedStateSetJac0 - tabsSouth1[4].m_flow.SeedStateSetJac0 - tabsSouth1[3].m_flow.SeedStateSetJac0 - tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0
2 : tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0
[
  -1.0 , -1.0 ;
  1.0 , 1.0
]
  *
[
  tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0
]
  =
[
  tabsNorth2[8].m_flow.SeedStateSetJac0 + tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth2[1].m_flow.SeedStateSetJac0 + tabsSouth2[2].m_flow.SeedStateSetJac0 + tabsSouth2[3].m_flow.SeedStateSetJac0 + tabsSouth2[4].m_flow.SeedStateSetJac0 + tabsSouth2[5].m_flow.SeedStateSetJac0 + tabsSouth2[6].m_flow.SeedStateSetJac0 + tabsSouth2[7].m_flow.SeedStateSetJac0 + tabsSouth2[8].m_flow.SeedStateSetJac0 + tabsNorth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsNorth1[2].m_flow.SeedStateSetJac0 + tabsNorth1[3].m_flow.SeedStateSetJac0 + tabsNorth1[4].m_flow.SeedStateSetJac0 + tabsNorth2[1].m_flow.SeedStateSetJac0 + tabsNorth2[2].m_flow.SeedStateSetJac0 + tabsNorth2[3].m_flow.SeedStateSetJac0 + tabsNorth2[4].m_flow.SeedStateSetJac0 + tabsNorth2[5].m_flow.SeedStateSetJac0 + tabsNorth2[6].m_flow.SeedStateSetJac0 + tabsNorth2[7].m_flow.SeedStateSetJac0 + (-spl1.res1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0) - valCoo.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - valSouth.res3.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ;
  pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0
]
 might be structurally or numerically singular for variable tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of inlineWhenForInitialization (initialization): time 0.8127/3.515, allocations: 50.97 MB / 2.439 GB, free: 488.3 MB / 1.885 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01899/3.534, allocations: 19.57 MB / 2.458 GB, free: 487.5 MB / 1.885 GB
Notification: Performance of collectPreVariables (initialization): time 0.003447/3.538, allocations: 230.7 kB / 2.459 GB, free: 487.4 MB / 1.885 GB
Notification: Performance of collectInitialEqns (initialization): time 0.004723/3.542, allocations: 7.564 MB / 2.466 GB, free: 487.3 MB / 1.885 GB
Notification: Performance of collectInitialBindings (initialization): time 0.006776/3.549, allocations: 3.121 MB / 2.469 GB, free: 487 MB / 1.885 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.005417/3.555, allocations: 4.38 MB / 2.473 GB, free: 486.9 MB / 1.885 GB
Notification: Performance of setup shared object (initialization): time 2.457e-05/3.555, allocations: 305.1 kB / 2.474 GB, free: 486.6 MB / 1.885 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.02174/3.576, allocations: 25.12 MB / 2.498 GB, free: 486.5 MB / 1.885 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.02279/3.599, allocations: 30.99 MB / 2.528 GB, free: 480 MB / 1.885 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.04083/3.64, allocations: 46.03 MB / 2.573 GB, free: 467.4 MB / 1.885 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.325e-05/3.64, allocations: 11.06 kB / 2.573 GB, free: 467.4 MB / 1.885 GB
Notification: Performance of matching and sorting (n=1548) (initialization): time 0.3181/3.958, allocations: 145.9 MB / 2.716 GB, free: 330.6 MB / 1.885 GB
Notification: Performance of prepare postOptimizeDAE: time 6.076e-05/3.958, allocations: 57.69 kB / 2.716 GB, free: 330.6 MB / 1.885 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.9e-05/3.958, allocations: 44 kB / 2.716 GB, free: 330.5 MB / 1.885 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.3034/4.262, allocations: 125.3 MB / 2.838 GB, free: 205.4 MB / 1.885 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009675/4.271, allocations: 3.233 MB / 2.842 GB, free: 202.3 MB / 1.885 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.08485/4.356, allocations: 85.96 MB / 2.925 GB, free: 116.1 MB / 1.885 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0931/4.449, allocations: 10.72 MB / 2.936 GB, free: 105.4 MB / 1.885 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003315/4.453, allocations: 1.648 MB / 2.938 GB, free: 103.7 MB / 1.885 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.02568/4.478, allocations: 28.16 MB / 2.965 GB, free: 75.52 MB / 1.885 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.02129/4.5, allocations: 30.35 MB / 2.995 GB, free: 43.43 MB / 1.885 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.03844/4.538, allocations: 44.77 MB / 3.038 GB, free: 14.14 MB / 1.901 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.59e-05/4.538, allocations: 16 kB / 3.038 GB, free: 14.12 MB / 1.901 GB
Notification: Performance of matching and sorting (n=1548) (initialization_lambda0): time 1.055/5.593, allocations: 143.7 MB / 3.179 GB, free: 0.5518 GB / 1.979 GB
Notification: Performance of prepare postOptimizeDAE: time 5.698e-05/5.593, allocations: 48.48 kB / 3.179 GB, free: 0.5518 GB / 1.979 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.786e-05/5.593, allocations: 49.03 kB / 3.179 GB, free: 0.5518 GB / 1.979 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.3265/5.92, allocations: 124 MB / 3.3 GB, free: 0.518 GB / 1.979 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009154/5.929, allocations: 3.181 MB / 3.303 GB, free: 0.5163 GB / 1.979 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.09601/6.025, allocations: 92.51 MB / 3.393 GB, free: 459.9 MB / 1.979 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1116/6.136, allocations: 10.77 MB / 3.404 GB, free: 449.1 MB / 1.979 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002595/6.139, allocations: 1.612 MB / 3.405 GB, free: 447.5 MB / 1.979 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 203
 * 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 (964):
 * Single equations (assignments): 942
 * Array equations: 6
 * Algorithm blocks: 1
 * Record equations: 4
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 8
 * 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): 8 systems
   {1, 1, 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
   {(33,119), (33,119)}
Notification: Performance of prepare postOptimizeDAE: time 0.003363/6.142, allocations: 0.7211 MB / 3.406 GB, free: 446.9 MB / 1.979 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003196/6.145, allocations: 1.651 MB / 3.408 GB, free: 446.2 MB / 1.979 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1114/6.257, allocations: 69.76 MB / 3.476 GB, free: 377.1 MB / 1.979 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.1687/6.426, allocations: 80.88 MB / 3.555 GB, free: 296.6 MB / 1.979 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.609e-05/6.426, allocations: 28 kB / 3.555 GB, free: 296.6 MB / 1.979 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.12/6.546, allocations: 79.77 MB / 3.633 GB, free: 217 MB / 1.979 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2379/6.784, allocations: 162.6 MB / 3.792 GB, free: 55.6 MB / 1.979 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.317e-05/6.784, allocations: 3.984 kB / 3.792 GB, free: 55.59 MB / 1.979 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00713/6.791, allocations: 2.3 MB / 3.794 GB, free: 53.34 MB / 1.979 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.107/7.898, allocations: 142 MB / 3.932 GB, free: 0.5414 GB / 1.995 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003351/7.901, allocations: 0.7819 MB / 3.933 GB, free: 0.5414 GB / 1.995 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.08999/7.991, allocations: 71.09 MB / 4.003 GB, free: 0.5296 GB / 1.995 GB
Warning: The linear system: 
1 : tabsSouth2[4].dp = valSouth2[4].port_b.p - tabsSouth1[1].port_b.p
2 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
3 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
4 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth2[4].port_b.p
[
  -1.0 , 0.0 , 0.0 , 1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , -1.0 , 1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[4].port_b.p ;
  valSouth2[2].port_a.p ;
  valSouth2[8].port_b.p ;
  tabsSouth1[1].port_b.p
]
  =
[
  -tabsSouth2[4].dp ;
  -tabsSouth2[8].dp ;
  -valSouth2[8].dp ;
  -valSouth2[4].dp
]
 might be structurally or numerically singular for variable tabsSouth1[1].port_b.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
2 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse422 - tabsNorth2[8].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 - tabsSouth1[2].m_flow = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1[1].m_flow ;
  tabsSouth1[2].m_flow
]
  =
[
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ;
  tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].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 + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : valSouth2[8].dp = valSouth2[2].port_a.p - valSouth2[8].port_b.p
2 : valSouth2[4].dp = valSouth2[2].port_a.p - valSouth2[4].port_b.p
3 : tabsSouth2[4].dp = valSouth2[4].port_b.p - tabsSouth1[1].port_b.p
4 : tabsSouth2[8].dp = valSouth2[8].port_b.p - tabsSouth1[1].port_b.p
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , 1.0 , -1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  -1.0 , 1.0 , 0.0 , 0.0
]
  *
[
  valSouth2[8].port_b.p ;
  tabsSouth1[1].port_b.p ;
  valSouth2[4].port_b.p ;
  valSouth2[2].port_a.p
]
  =
[
  -valSouth2[8].dp ;
  -valSouth2[4].dp ;
  -tabsSouth2[4].dp ;
  -tabsSouth2[8].dp
]
 might be structurally or numerically singular for variable valSouth2[2].port_a.p since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : spl1.res1.m_flow + valNorth.res3.m_flow + valSouth.res3.m_flow + (-tabsNorth2[7].m_flow) - $cse422 - tabsNorth2[8].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 - tabsSouth1[2].m_flow = 0.0
2 : tabsSouth1[4].m_flow + tabsSouth1[3].m_flow + tabsSouth1[2].m_flow + tabsSouth1[1].m_flow - pipSouth1.m_flow = 0.0
[
  -1.0 , -1.0 ;
  1.0 , 1.0
]
  *
[
  tabsSouth1[1].m_flow ;
  tabsSouth1[2].m_flow
]
  =
[
  tabsNorth2[7].m_flow + tabsSouth1[4].m_flow + tabsSouth1[3].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 + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ;
  pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow
]
 might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ;
  tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
2 : valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
3 : valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
4 : tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
[
  1.0 , 0.0 , 0.0 , -1.0 ;
  0.0 , 0.0 , -1.0 , 1.0 ;
  0.0 , 1.0 , -1.0 , 0.0 ;
  1.0 , -1.0 , 0.0 , 0.0
]
  *
[
  tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  -tabsSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.4.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -valSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  -tabsSouth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable valSouth2.4.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway.
Warning: The linear system: 
1 : tabsSouth1[4].m_flow.SeedStateSetJac29 + tabsSouth1[3].m_flow.SeedStateSetJac29 + tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 = 0.0
2 : spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1[3].m_flow.SeedStateSetJac29 - tabsSouth1[4].m_flow.SeedStateSetJac29 - tabsSouth2[1].m_flow.SeedStateSetJac29 - tabsSouth2[2].m_flow.SeedStateSetJac29 - tabsSouth2[3].m_flow.SeedStateSetJac29 - tabsSouth2[4].m_flow.SeedStateSetJac29 - tabsSouth2[5].m_flow.SeedStateSetJac29 - tabsSouth2[6].m_flow.SeedStateSetJac29 - tabsSouth2[7].m_flow.SeedStateSetJac29 - tabsSouth2[8].m_flow.SeedStateSetJac29 - tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth1[2].m_flow.SeedStateSetJac29 - tabsNorth1[3].m_flow.SeedStateSetJac29 - tabsNorth1[4].m_flow.SeedStateSetJac29 - tabsNorth2[1].m_flow.SeedStateSetJac29 - tabsNorth2[2].m_flow.SeedStateSetJac29 - tabsNorth2[3].m_flow.SeedStateSetJac29 - tabsNorth2[4].m_flow.SeedStateSetJac29 - tabsNorth2[5].m_flow.SeedStateSetJac29 - tabsNorth2[6].m_flow.SeedStateSetJac29 - tabsNorth2[8].m_flow.SeedStateSetJac29 - $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsNorth2[7].m_flow.SeedStateSetJac29 = 0.0
[
  1.0 , 1.0 ;
  -1.0 , -1.0
]
  *
[
  tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ;
  tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
  =
[
  pipSouth1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + (-tabsSouth1[3].m_flow.SeedStateSetJac29) - tabsSouth1[4].m_flow.SeedStateSetJac29 ;
  tabsSouth1[3].m_flow.SeedStateSetJac29 + $cse422.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsNorth2[7].m_flow.SeedStateSetJac29 + tabsNorth2[8].m_flow.SeedStateSetJac29 + tabsNorth2[6].m_flow.SeedStateSetJac29 + tabsNorth2[5].m_flow.SeedStateSetJac29 + tabsNorth2[4].m_flow.SeedStateSetJac29 + tabsNorth2[3].m_flow.SeedStateSetJac29 + tabsNorth2[2].m_flow.SeedStateSetJac29 + tabsNorth2[1].m_flow.SeedStateSetJac29 + tabsNorth1[4].m_flow.SeedStateSetJac29 + tabsNorth1[3].m_flow.SeedStateSetJac29 + tabsNorth1[2].m_flow.SeedStateSetJac29 + tabsNorth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 + tabsSouth2[8].m_flow.SeedStateSetJac29 + tabsSouth2[7].m_flow.SeedStateSetJac29 + tabsSouth2[6].m_flow.SeedStateSetJac29 + tabsSouth2[5].m_flow.SeedStateSetJac29 + tabsSouth2[4].m_flow.SeedStateSetJac29 + tabsSouth2[3].m_flow.SeedStateSetJac29 + tabsSouth2[2].m_flow.SeedStateSetJac29 + tabsSouth2[1].m_flow.SeedStateSetJac29 + tabsSouth1[4].m_flow.SeedStateSetJac29 + (-valNorth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29) - spl1.res1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 - valSouth.res3.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29
]
 might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.04469/8.036, allocations: 47.57 MB / 4.049 GB, free: 0.5089 GB / 1.995 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.1527/8.188, allocations: 117.9 MB / 4.164 GB, free: 417.7 MB / 1.995 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.01467/8.203, allocations: 7.39 MB / 4.171 GB, free: 410.8 MB / 1.995 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003831/8.207, allocations: 188 kB / 4.172 GB, free: 410.6 MB / 1.995 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.05098/8.258, allocations: 5.32 MB / 4.177 GB, free: 405.3 MB / 1.995 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.003324/8.261, allocations: 1.138 MB / 4.178 GB, free: 404.1 MB / 1.995 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001562/8.263, allocations: 0.8767 MB / 4.179 GB, free: 403.2 MB / 1.995 GB
Notification: Performance of sorting global known variables: time 0.01267/8.276, allocations: 13.59 MB / 4.192 GB, free: 389.7 MB / 1.995 GB
Notification: Performance of sort global known variables: time 1.8e-07/8.276, allocations: 0 / 4.192 GB, free: 389.7 MB / 1.995 GB
Notification: Performance of remove unused functions: time 0.09877/8.374, allocations: 80.24 MB / 4.27 GB, free: 309.6 MB / 1.995 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 42 ($STATESET1.x[32],$STATESET1.x[31],$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],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpNorth.vol.dynBal.U,valSouth.vol.dynBal.U,valNorth.vol.dynBal.U,spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U)
 * Number of discrete variables: 7 ($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 (541):
 * Single equations (assignments): 518
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 10
 * When equations: 3
 * If-equations: 0
 * Equation systems (not torn): 6
 * 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): 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): 3 systems
   {(33,156), (1,1), (62,186)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.1593/8.534, allocations: 118.7 MB / 4.386 GB, free: 191.1 MB / 1.995 GB
Notification: Performance of simCode: created initialization part: time 0.1027/8.636, allocations: 93.7 MB / 4.478 GB, free: 97.71 MB / 1.995 GB
Notification: Performance of simCode: created event and clocks part: time 9.188e-06/8.636, allocations: 0 / 4.478 GB, free: 97.71 MB / 1.995 GB
Notification: Performance of simCode: created simulation system equations: time 0.04013/8.676, allocations: 31.77 MB / 4.509 GB, free: 66.02 MB / 1.995 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.04596/8.722, allocations: 8.243 MB / 4.517 GB, free: 57.99 MB / 1.995 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 2.247/10.97, allocations: 483.3 MB / 4.989 GB, free: 315.7 MB / 1.995 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01355/10.98, allocations: 10.63 MB / 4.999 GB, free: 305 MB / 1.995 GB
Notification: Performance of simCode: alias equations: time 0.02487/11.01, allocations: 7.766 MB / 5.007 GB, free: 297.4 MB / 1.995 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02056/11.03, allocations: 11.68 MB / 5.018 GB, free: 285.7 MB / 1.995 GB
Notification: Performance of SimCode: time 1.784e-06/11.03, allocations: 0 / 5.018 GB, free: 285.7 MB / 1.995 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 1.81/12.84, allocations: 0.9504 GB / 5.969 GB, free: 11.06 MB / 2.011 GB
Notification: Performance of buildModelFMU: Generate platform static: time 43.42/56.26, allocations: 7.875 kB / 5.969 GB, free: 11.05 MB / 2.011 GB
"
[Timeout remaining time 243]
(rm -f Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic.sim & (cd run_OMSimulator && /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --stripRoot --tempDir=temp_Buildings_13_Buildings_Fluid_Examples_FlowSystem_Basic_fmu --startTime=0 --stopTime=1000 --stepSize=0.4 --timeout=50 --tolerance=1e-06 ../Buildings_13_Buildings_Fluid_Examples_FlowSystem_Basic.fmu) > Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic.pipe 2>&1) [Timeout 52.5]
OMSimulator failed or timed out simulating it; the others still get to run it
(rm -f Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic_fmpy.pipe ; mkfifo Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic_fmpy.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic_fmpy.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic_fmpy.sim & (cd run_fmpy && python3 -m fmpy simulate --output-file ../Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic_fmpy_res.csv --start-time 0 --stop-time 1000 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 ../Buildings_13_Buildings_Fluid_Examples_FlowSystem_Basic.fmu) > Buildings_13_Buildings.Fluid.Examples.FlowSystem.Basic_fmpy.pipe 2>&1) [Timeout 52.5]
fmpy timed out simulating the FMU
[Calling sys.exit(0), Time elapsed: 62.93887808639556]