Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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 0.001752/0.001752, allocations: 109.1 kB / 17.12 MB, free: 5.926 MB / 14.72 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 0.002046/0.002046, allocations: 205 kB / 20.09 MB, free: 2.977 MB / 14.72 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 1.427/1.427, allocations: 230.6 MB / 253.5 MB, free: 15.08 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.9092/0.9092, allocations: 150 MB / 459.5 MB, free: 5.285 MB / 350.1 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/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(IBPSA.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: IBPSA requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.003176/0.003176, allocations: 62.31 kB / 0.6361 GB, free: 30.51 MB / 0.4981 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1658/0.1689, allocations: 89.14 MB / 0.7232 GB, free: 4.004 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Basic): time 0.7321/0.9011, allocations: 361.7 MB / 1.076 GB, free: 13.19 MB / 0.7794 GB Notification: Performance of NFInst.instExpressions: time 0.1262/1.027, allocations: 75.92 MB / 1.151 GB, free: 1.094 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01719/1.044, allocations: 0.5965 MB / 1.151 GB, free: 0.4922 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.02106/1.065, allocations: 6.605 MB / 1.158 GB, free: 9.855 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.04481/1.11, allocations: 14.66 MB / 1.172 GB, free: 11.14 MB / 0.8731 GB Notification: Performance of NFTyping.typeClassSections: time 0.02666/1.137, allocations: 10.37 MB / 1.182 GB, free: 0.8633 MB / 0.8731 GB Notification: Performance of NFFlatten.flatten: time 0.5553/1.692, allocations: 55.25 MB / 1.236 GB, free: 46.4 MB / 0.9044 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02405/1.716, allocations: 17.04 MB / 1.253 GB, free: 45.51 MB / 0.9044 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03769/1.754, allocations: 17.72 MB / 1.27 GB, free: 44.73 MB / 0.9044 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03152/1.785, allocations: 16.35 MB / 1.286 GB, free: 42.61 MB / 0.9044 GB Notification: Performance of NFPackage.collectConstants: time 0.008765/1.794, allocations: 1.903 MB / 1.288 GB, free: 42.6 MB / 0.9044 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02207/1.816, allocations: 6.223 MB / 1.294 GB, free: 42.52 MB / 0.9044 GB Notification: Performance of NFScalarize.scalarize: time 0.01112/1.827, allocations: 6.327 MB / 1.3 GB, free: 41.7 MB / 0.9044 GB Notification: Performance of NFVerifyModel.verify: time 0.02471/1.852, allocations: 10.92 MB / 1.311 GB, free: 38.89 MB / 0.9044 GB Notification: Performance of NFConvertDAE.convert: time 0.04703/1.899, allocations: 30.64 MB / 1.341 GB, free: 29.17 MB / 0.9044 GB Notification: Performance of FrontEnd - DAE generated: time 7.203e-06/1.899, allocations: 3.188 kB / 1.341 GB, free: 29.17 MB / 0.9044 GB Notification: Performance of FrontEnd: time 1.744e-06/1.899, allocations: 0 / 1.341 GB, free: 29.17 MB / 0.9044 GB Notification: Performance of Transformations before backend: time 0.0009884/1.9, allocations: 0 / 1.341 GB, free: 29.17 MB / 0.9044 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 0.05737/1.958, allocations: 21.16 MB / 1.361 GB, free: 12.28 MB / 0.9044 GB Notification: Performance of prepare preOptimizeDAE: time 4.616e-05/1.958, allocations: 8.031 kB / 1.361 GB, free: 12.27 MB / 0.9044 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004379/1.962, allocations: 1.003 MB / 1.362 GB, free: 11.73 MB / 0.9044 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01753/1.98, allocations: 3.222 MB / 1.365 GB, free: 8.508 MB / 0.9044 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04251/2.022, allocations: 22.56 MB / 1.387 GB, free: 8.852 MB / 0.92 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007301/2.023, allocations: 0.6521 MB / 1.388 GB, free: 8.477 MB / 0.92 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004997/2.028, allocations: 0.9051 MB / 1.389 GB, free: 7.855 MB / 0.92 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04548/2.073, allocations: 17.29 MB / 1.406 GB, free: 9.23 MB / 0.9356 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002666/2.073, allocations: 11.03 kB / 1.406 GB, free: 9.227 MB / 0.9356 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003516/2.077, allocations: 319 kB / 1.406 GB, free: 8.918 MB / 0.9356 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002264/2.077, allocations: 204 kB / 1.406 GB, free: 8.719 MB / 0.9356 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0456/2.123, allocations: 21.51 MB / 1.427 GB, free: 3.25 MB / 0.9512 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 0.1614/2.284, allocations: 80.45 MB / 1.506 GB, free: 0.5977 MB / 1.029 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02927/2.314, allocations: 12.94 MB / 1.519 GB, free: 3.652 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01917/2.333, allocations: 9.366 MB / 1.528 GB, free: 10.26 MB / 1.061 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 0.08391/2.417, allocations: 34.18 MB / 1.561 GB, free: 7.738 MB / 1.092 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.02465/2.441, allocations: 10.81 MB / 1.572 GB, free: 12.86 MB / 1.107 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.03341/2.475, allocations: 8.246 MB / 1.58 GB, free: 4.816 MB / 1.107 GB Notification: Performance of pre-optimization done (n=548): time 4.093e-05/2.475, allocations: 0 / 1.58 GB, free: 4.816 MB / 1.107 GB Notification: Performance of matching and sorting (n=832): time 1.359/3.834, allocations: 248.9 MB / 1.823 GB, free: 393 MB / 1.139 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 0.1107/3.945, allocations: 52.71 MB / 1.874 GB, free: 339 MB / 1.139 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03903/3.984, allocations: 19.64 MB / 1.893 GB, free: 319.5 MB / 1.139 GB Notification: Performance of collectPreVariables (initialization): time 0.004879/3.989, allocations: 228.4 kB / 1.894 GB, free: 319.3 MB / 1.139 GB Notification: Performance of collectInitialEqns (initialization): time 0.008994/3.998, allocations: 7.511 MB / 1.901 GB, free: 312.2 MB / 1.139 GB Notification: Performance of collectInitialBindings (initialization): time 0.01121/4.009, allocations: 3.126 MB / 1.904 GB, free: 309.4 MB / 1.139 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0207/4.03, allocations: 4.398 MB / 1.908 GB, free: 305 MB / 1.139 GB Notification: Performance of setup shared object (initialization): time 4.016e-05/4.03, allocations: 301.1 kB / 1.909 GB, free: 304.7 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03519/4.065, allocations: 25.06 MB / 1.933 GB, free: 279.6 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03708/4.102, allocations: 27.9 MB / 1.96 GB, free: 250.7 MB / 1.139 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.06502/4.167, allocations: 45.96 MB / 2.005 GB, free: 204 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.776e-05/4.167, allocations: 12 kB / 2.005 GB, free: 204 MB / 1.139 GB Notification: Performance of matching and sorting (n=1548) (initialization): time 0.6204/4.787, allocations: 145.7 MB / 2.147 GB, free: 58.15 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001139/4.788, allocations: 61.72 kB / 2.148 GB, free: 58.09 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001028/4.788, allocations: 44 kB / 2.148 GB, free: 58.04 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.371/6.158, allocations: 125.4 MB / 2.27 GB, free: 495 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01782/6.176, allocations: 3.23 MB / 2.273 GB, free: 493.8 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1391/6.315, allocations: 86.9 MB / 2.358 GB, free: 421.3 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2072/6.522, allocations: 10.72 MB / 2.369 GB, free: 410.5 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006772/6.529, allocations: 1.656 MB / 2.37 GB, free: 408.9 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.04084/6.57, allocations: 28.09 MB / 2.398 GB, free: 380.7 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03399/6.604, allocations: 27.27 MB / 2.424 GB, free: 352.4 MB / 1.139 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.06098/6.665, allocations: 44.72 MB / 2.468 GB, free: 307 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.388e-05/6.665, allocations: 12 kB / 2.468 GB, free: 307 MB / 1.139 GB Notification: Performance of matching and sorting (n=1548) (initialization_lambda0): time 0.6007/7.266, allocations: 143.5 MB / 2.608 GB, free: 164.4 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 8.635e-05/7.266, allocations: 58.3 kB / 2.608 GB, free: 164.4 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.286e-05/7.266, allocations: 44 kB / 2.608 GB, free: 164.3 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.582/7.848, allocations: 124.1 MB / 2.729 GB, free: 40.6 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01587/7.864, allocations: 3.181 MB / 2.732 GB, free: 37.41 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.5777/8.441, allocations: 93.92 MB / 2.824 GB, free: 473.2 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.21/8.651, allocations: 10.78 MB / 2.835 GB, free: 473 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006926/8.658, allocations: 1.617 MB / 2.836 GB, free: 472.9 MB / 1.139 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 0.007623/8.666, allocations: 0.7332 MB / 2.837 GB, free: 472.5 MB / 1.139 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.006997/8.673, allocations: 1.632 MB / 2.839 GB, free: 472.5 MB / 1.139 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2234/8.896, allocations: 69.7 MB / 2.907 GB, free: 426.7 MB / 1.139 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.2352/9.132, allocations: 80.87 MB / 2.986 GB, free: 345.9 MB / 1.139 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.00019/9.132, allocations: 31.94 kB / 2.986 GB, free: 345.9 MB / 1.139 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2255/9.357, allocations: 79.73 MB / 3.064 GB, free: 266.2 MB / 1.139 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3561/9.713, allocations: 207.7 MB / 3.266 GB, free: 58.68 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.927e-05/9.713, allocations: 0 / 3.266 GB, free: 58.68 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01282/9.726, allocations: 2.305 MB / 3.269 GB, free: 56.37 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.9977/10.72, allocations: 142.1 MB / 3.407 GB, free: 455.6 MB / 1.139 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.004699/10.73, allocations: 0.787 MB / 3.408 GB, free: 455.1 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1357/10.86, allocations: 71.75 MB / 3.478 GB, free: 401.6 MB / 1.139 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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.09098/10.96, allocations: 49.76 MB / 3.527 GB, free: 351 MB / 1.139 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2787/11.23, allocations: 117.8 MB / 3.642 GB, free: 234.2 MB / 1.139 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01908/11.25, allocations: 7.227 MB / 3.649 GB, free: 228 MB / 1.139 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.008592/11.26, allocations: 184 kB / 3.649 GB, free: 227.8 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.1127/11.37, allocations: 5.338 MB / 3.654 GB, free: 222.4 MB / 1.139 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.006023/11.38, allocations: 1.103 MB / 3.655 GB, free: 221.3 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.004283/11.38, allocations: 0.8767 MB / 3.656 GB, free: 220.4 MB / 1.139 GB Notification: Performance of sorting global known variables: time 0.02298/11.41, allocations: 13.7 MB / 3.67 GB, free: 206.8 MB / 1.139 GB Notification: Performance of sort global known variables: time 3.31e-07/11.41, allocations: 3.938 kB / 3.67 GB, free: 206.8 MB / 1.139 GB Notification: Performance of remove unused functions: time 0.1653/11.57, allocations: 80.28 MB / 3.748 GB, free: 126.7 MB / 1.139 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 42 ($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 0.2798/11.85, allocations: 118.7 MB / 3.864 GB, free: 8.211 MB / 1.139 GB Notification: Performance of simCode: created initialization part: time 0.5467/12.4, allocations: 93.66 MB / 3.955 GB, free: 496 MB / 1.139 GB Notification: Performance of simCode: created event and clocks part: time 9.358e-06/12.4, allocations: 0 / 3.955 GB, free: 496 MB / 1.139 GB Notification: Performance of simCode: created simulation system equations: time 0.07424/12.47, allocations: 31.75 MB / 3.986 GB, free: 467.7 MB / 1.139 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.08183/12.56, allocations: 8.245 MB / 3.995 GB, free: 460.1 MB / 1.139 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 2.044/14.6, allocations: 483 MB / 4.466 GB, free: 461 MB / 1.139 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0167/14.62, allocations: 10.82 MB / 4.477 GB, free: 459.8 MB / 1.139 GB Notification: Performance of simCode: alias equations: time 0.03207/14.65, allocations: 7.751 MB / 4.484 GB, free: 459.5 MB / 1.139 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02778/14.68, allocations: 11.63 MB / 4.496 GB, free: 458.8 MB / 1.139 GB Notification: Performance of SimCode: time 1.743e-06/14.68, allocations: 0 / 4.496 GB, free: 458.8 MB / 1.139 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.708/16.38, allocations: 0.9216 GB / 5.417 GB, free: 100.7 MB / 1.139 GB Notification: Performance of buildModelFMU: Generate platform static: time 117.9/134.3, allocations: 7.984 kB / 5.417 GB, free: 100.7 MB / 1.139 GB " [Timeout remaining time 525] (rm -f IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic_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_Basic.fmu > IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 138.58152291807346] Failed to read output from testmodel.py, exit status != 0: 134.7458674889058 134.756840653 132.854745221 Calling exit ...