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 0.001405/0.001405, allocations: 72.83 kB / 20.72 MB, free: 3.77 MB / 18.57 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 0.001528/0.001528, allocations: 169 kB / 24.14 MB, free: 360 kB / 18.57 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 0.9422/0.9422, allocations: 177.1 MB / 204.6 MB, free: 5.484 MB / 186.7 MB " [Timeout remaining time 179] 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 0.6273/0.6273, allocations: 115 MB / 376 MB, free: 7.48 MB / 346.7 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: translateModel(IBPSA.Fluid.Examples.FlowSystem.Basic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic") translateModel(IBPSA.Fluid.Examples.FlowSystem.Basic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.573e-06/1.573e-06, allocations: 0 / 428.7 MB, free: 2.793 MB / 394.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.326e-05/2.484e-05, allocations: 2.312 kB / 428.7 MB, free: 2.789 MB / 394.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Examples.FlowSystem.Basic): time 0.2519/0.2519, allocations: 75.57 MB / 0.4925 GB, free: 10.43 MB / 442.7 MB Notification: Performance of NFInst.instExpressions: time 0.0617/0.3136, allocations: 33.99 MB / 0.5257 GB, free: 8.715 MB / 474.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0142/0.3278, allocations: 0.6702 MB / 0.5263 GB, free: 8.039 MB / 474.7 MB Notification: Performance of NFTyping.typeComponents: time 0.01174/0.3395, allocations: 4.342 MB / 0.5306 GB, free: 3.68 MB / 474.7 MB Notification: Performance of NFTyping.typeBindings: time 0.02432/0.3639, allocations: 10.6 MB / 0.5409 GB, free: 9.039 MB / 490.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.01969/0.3836, allocations: 11.3 MB / 0.5519 GB, free: 13.76 MB / 0.4948 GB Notification: Performance of NFFlatten.flatten: time 0.06847/0.452, allocations: 67.42 MB / 0.6178 GB, free: 10.2 MB / 0.5573 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02798/0.48, allocations: 16.88 MB / 0.6343 GB, free: 9.152 MB / 0.573 GB Notification: Performance of NFEvalConstants.evaluate: time 0.04544/0.5254, allocations: 22.65 MB / 0.6564 GB, free: 2.555 MB / 0.5886 GB Notification: Performance of NFSimplifyModel.simplify: time 0.4114/0.9369, allocations: 14.68 MB / 0.6707 GB, free: 75.04 MB / 0.5887 GB Notification: Performance of NFPackage.collectConstants: time 0.005531/0.9424, allocations: 1.809 MB / 0.6725 GB, free: 75.04 MB / 0.5887 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00867/0.9511, allocations: 2.757 MB / 0.6752 GB, free: 75.04 MB / 0.5887 GB Notification: Performance of NFScalarize.scalarize: time 0.004327/0.9554, allocations: 6.496 MB / 0.6815 GB, free: 75.04 MB / 0.5887 GB Notification: Performance of NFVerifyModel.verify: time 0.01205/0.9675, allocations: 7.752 MB / 0.6891 GB, free: 75.04 MB / 0.5887 GB Notification: Performance of NFConvertDAE.convert: time 0.02196/0.9894, allocations: 19.83 MB / 0.7085 GB, free: 73.85 MB / 0.5887 GB Notification: Performance of FrontEnd - DAE generated: time 7.514e-06/0.9894, allocations: 0 / 0.7085 GB, free: 73.85 MB / 0.5887 GB Notification: Performance of FrontEnd: time 1.573e-06/0.9894, allocations: 0 / 0.7085 GB, free: 73.85 MB / 0.5887 GB Notification: Performance of Transformations before backend: time 0.000786/0.9902, allocations: 0 / 0.7085 GB, free: 73.85 MB / 0.5887 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 0.0266/1.017, allocations: 20.28 MB / 0.7283 GB, free: 64.61 MB / 0.5887 GB Notification: Performance of prepare preOptimizeDAE: time 4.28e-05/1.017, allocations: 11.66 kB / 0.7283 GB, free: 64.61 MB / 0.5887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01285/1.03, allocations: 2.873 MB / 0.7311 GB, free: 64.54 MB / 0.5887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02778/1.057, allocations: 14.2 MB / 0.7449 GB, free: 60.88 MB / 0.5887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007284/1.058, allocations: 0.7425 MB / 0.7457 GB, free: 60.87 MB / 0.5887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004827/1.063, allocations: 1.042 MB / 0.7467 GB, free: 60.86 MB / 0.5887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0225/1.086, allocations: 10.19 MB / 0.7566 GB, free: 56.54 MB / 0.5887 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002727/1.086, allocations: 17.55 kB / 0.7567 GB, free: 56.53 MB / 0.5887 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002912/1.089, allocations: 318.3 kB / 0.757 GB, free: 56.53 MB / 0.5887 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000134/1.089, allocations: 202.5 kB / 0.7572 GB, free: 56.41 MB / 0.5887 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01191/1.101, allocations: 5.236 MB / 0.7623 GB, free: 51.36 MB / 0.5887 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 0.07091/1.172, allocations: 32.52 MB / 0.794 GB, free: 24.77 MB / 0.5887 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007208/1.179, allocations: 4.992 MB / 0.7989 GB, free: 19.93 MB / 0.5887 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004352/1.183, allocations: 3.342 MB / 0.8022 GB, free: 16.6 MB / 0.5887 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 0.03788/1.221, allocations: 13.06 MB / 0.8149 GB, free: 3.672 MB / 0.5887 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.006996/1.228, allocations: 5.326 MB / 0.8201 GB, free: 14.13 MB / 0.6043 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01825/1.246, allocations: 8.323 MB / 0.8282 GB, free: 6.055 MB / 0.6043 GB Notification: Performance of pre-optimization done (n=548): time 3.506e-05/1.246, allocations: 0 / 0.8282 GB, free: 6.055 MB / 0.6043 GB Notification: Performance of matching and sorting (n=832): time 0.6115/1.858, allocations: 148.7 MB / 0.9735 GB, free: 163.2 MB / 0.6824 GB Warning: The linear system: 1 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p 2 : valNorth2[8].dp = valNorth2[2].port_a.p - valNorth2[8].port_b.p 3 : tabsNorth2[8].dp = valNorth2[8].port_b.p - tabsSouth1[1].port_b.p 4 : tabsNorth2[7].dp = valNorth2[7].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 ] * [ valNorth2[7].port_b.p ; tabsSouth1[1].port_b.p ; valNorth2[8].port_b.p ; valNorth2[2].port_a.p ] = [ -valNorth2[7].dp ; -valNorth2[8].dp ; -tabsNorth2[8].dp ; -tabsNorth2[7].dp ] might be structurally or numerically singular for variable valNorth2[2].port_a.p since U(4,4) = 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 : 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 : tabsNorth2[8].dp = valNorth2[8].port_b.p - tabsSouth1[1].port_b.p 2 : tabsNorth2[7].dp = valNorth2[7].port_b.p - tabsSouth1[1].port_b.p 3 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p 4 : valNorth2[8].dp = valNorth2[2].port_a.p - valNorth2[8].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 ] * [ valNorth2[8].port_b.p ; valNorth2[2].port_a.p ; valNorth2[7].port_b.p ; tabsSouth1[1].port_b.p ] = [ -tabsNorth2[8].dp ; -tabsNorth2[7].dp ; -valNorth2[7].dp ; -valNorth2[8].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 : 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[2].m_flow ; tabsSouth1[1].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[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 2 : tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 3 : tabsNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 4 : valNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 [ -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 ] * [ valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ] = [ -valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -tabsNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -valNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ] might be structurally or numerically singular for variable valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsSouth1[4].m_flow.SeedStateSetJac0 + tabsSouth1[3].m_flow.SeedStateSetJac0 + tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 - pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 2 : 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.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 [ 1.0 , 1.0 ; -1.0 , -1.0 ] * [ tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ] = [ pipSouth1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0 ; 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.$pDERStateSetJac0.dummyVarStateSetJac0 ] might be structurally or numerically singular for variable tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 2 : tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 3 : tabsNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 4 : valNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 [ -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 ] * [ valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.8.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ] = [ -valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -tabsNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -valNorth2.8.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ] might be structurally or numerically singular for variable valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valCoo.m_flow.$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.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ tabsSouth1.2.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.1.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.$pDERStateSetJac0.dummyVarStateSetJac0 + (-tabsSouth1[3].m_flow.SeedStateSetJac0) - tabsSouth1[4].m_flow.SeedStateSetJac0 ] might be structurally or numerically singular for variable tabsSouth1.1.m_flow.$pDERStateSetJac0.dummyVarStateSetJac0 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of inlineWhenForInitialization (initialization): time 0.03452/1.892, allocations: 29.42 MB / 1.002 GB, free: 143.7 MB / 0.6824 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01906/1.911, allocations: 13.97 MB / 1.016 GB, free: 133.8 MB / 0.6824 GB Notification: Performance of collectPreVariables (initialization): time 0.003663/1.915, allocations: 280.1 kB / 1.016 GB, free: 133.7 MB / 0.6824 GB Notification: Performance of collectInitialEqns (initialization): time 0.004796/1.92, allocations: 4.464 MB / 1.02 GB, free: 131.7 MB / 0.6824 GB Notification: Performance of collectInitialBindings (initialization): time 0.008196/1.928, allocations: 3.074 MB / 1.023 GB, free: 129.5 MB / 0.6824 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01195/1.94, allocations: 3.427 MB / 1.027 GB, free: 127.1 MB / 0.6824 GB Notification: Performance of setup shared object (initialization): time 3.269e-05/1.94, allocations: 305.1 kB / 1.027 GB, free: 126.8 MB / 0.6824 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01222/1.952, allocations: 4.028 MB / 1.031 GB, free: 123.2 MB / 0.6824 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01547/1.968, allocations: 11.63 MB / 1.042 GB, free: 109.6 MB / 0.6824 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02706/1.995, allocations: 15.22 MB / 1.057 GB, free: 94.35 MB / 0.6824 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001513/1.995, allocations: 36 kB / 1.057 GB, free: 94.32 MB / 0.6824 GB Notification: Performance of matching and sorting (n=1653) (initialization): time 0.2327/2.228, allocations: 66.36 MB / 1.122 GB, free: 32.59 MB / 0.6824 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001243/2.228, allocations: 87.27 kB / 1.122 GB, free: 32.5 MB / 0.6824 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001594/2.228, allocations: 124 kB / 1.122 GB, free: 32.38 MB / 0.6824 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5879/2.816, allocations: 144.3 MB / 1.263 GB, free: 145.6 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01051/2.826, allocations: 3.381 MB / 1.267 GB, free: 142.6 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04778/2.874, allocations: 28.11 MB / 1.294 GB, free: 118.3 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.03945/2.914, allocations: 4.895 MB / 1.299 GB, free: 113.6 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00343/2.917, allocations: 1.552 MB / 1.3 GB, free: 112.2 MB / 0.698 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.012/2.929, allocations: 4.221 MB / 1.304 GB, free: 108.6 MB / 0.698 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.008696/2.938, allocations: 11.53 MB / 1.316 GB, free: 95.05 MB / 0.698 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.01555/2.953, allocations: 14.61 MB / 1.33 GB, free: 80.19 MB / 0.698 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.738e-05/2.953, allocations: 36 kB / 1.33 GB, free: 80.15 MB / 0.698 GB Notification: Performance of matching and sorting (n=1653) (initialization_lambda0): time 0.2201/3.174, allocations: 65.72 MB / 1.394 GB, free: 15.71 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 9.525e-05/3.174, allocations: 85.7 kB / 1.394 GB, free: 15.62 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.829e-05/3.174, allocations: 124 kB / 1.394 GB, free: 15.5 MB / 0.698 GB Notification: Tearing is skipped for linear strong component 8: solving it torn to 24 iteration variables is estimated at 50592 flops against 19234 for the untorn system of size 147. Notification: Performance of postOpt tearingSystem (initialization): time 0.5616/3.735, allocations: 142.6 MB / 1.534 GB, free: 138.2 MB / 0.7137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01008/3.745, allocations: 3.336 MB / 1.537 GB, free: 135.1 MB / 0.7137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04664/3.792, allocations: 21.88 MB / 1.558 GB, free: 116.6 MB / 0.7137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.04176/3.834, allocations: 4.934 MB / 1.563 GB, free: 111.8 MB / 0.7137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.005998/3.84, allocations: 1.519 MB / 1.565 GB, free: 110.4 MB / 0.7137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 568 * 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 (1207): * Single equations (assignments): 1189 * Array equations: 6 * Algorithm blocks: 1 * Record equations: 0 * 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 {(34,113), (34,113)} Notification: Performance of prepare postOptimizeDAE: time 0.007257/3.847, allocations: 0.9493 MB / 1.565 GB, free: 109.9 MB / 0.7137 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.005422/3.853, allocations: 1.128 MB / 1.567 GB, free: 108.9 MB / 0.7137 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.08709/3.94, allocations: 38.3 MB / 1.604 GB, free: 72.2 MB / 0.7137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.08575/4.025, allocations: 38.73 MB / 1.642 GB, free: 33.93 MB / 0.7137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.909e-05/4.025, allocations: 35.94 kB / 1.642 GB, free: 33.9 MB / 0.7137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.08279/4.108, allocations: 37.81 MB / 1.679 GB, free: 12.49 MB / 0.7293 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.4374/4.546, allocations: 73.88 MB / 1.751 GB, free: 179.6 MB / 0.7293 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.076e-05/4.546, allocations: 6.203 kB / 1.751 GB, free: 179.6 MB / 0.7293 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.007214/4.553, allocations: 2.017 MB / 1.753 GB, free: 179.3 MB / 0.7293 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.3112/4.864, allocations: 167 MB / 1.916 GB, free: 29.62 MB / 0.7293 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003492/4.868, allocations: 0.7438 MB / 1.917 GB, free: 29.01 MB / 0.7293 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.313/5.181, allocations: 26.87 MB / 1.943 GB, free: 189.9 MB / 0.7293 GB Warning: The linear system: 1 : tabsNorth2[1].dp = valNorth2[1].port_b.p - tabsSouth1[1].port_b.p 2 : tabsNorth2[7].dp = valNorth2[7].port_b.p - tabsSouth1[1].port_b.p 3 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p 4 : valNorth2[1].dp = valNorth2[2].port_a.p - valNorth2[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 ] * [ valNorth2[1].port_b.p ; valNorth2[2].port_a.p ; valNorth2[7].port_b.p ; tabsSouth1[1].port_b.p ] = [ -tabsNorth2[1].dp ; -tabsNorth2[7].dp ; -valNorth2[7].dp ; -valNorth2[1].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[2].m_flow ; tabsSouth1[1].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[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p 2 : valNorth2[1].dp = valNorth2[2].port_a.p - valNorth2[1].port_b.p 3 : tabsNorth2[1].dp = valNorth2[1].port_b.p - tabsSouth1[1].port_b.p 4 : tabsNorth2[7].dp = valNorth2[7].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 ] * [ valNorth2[7].port_b.p ; tabsSouth1[1].port_b.p ; valNorth2[1].port_b.p ; valNorth2[2].port_a.p ] = [ -valNorth2[7].dp ; -valNorth2[1].dp ; -tabsNorth2[1].dp ; -tabsNorth2[7].dp ] might be structurally or numerically singular for variable valNorth2[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[2].m_flow ; tabsSouth1[1].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 + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[1].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 2 : valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 3 : valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 4 : tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.7.port_b.p.$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 ; valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ] = [ -tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ] might be structurally or numerically singular for variable valNorth2.1.port_b.p.$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 ] * [ tabsSouth1.1.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 ; tabsSouth1.2.m_flow.$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 tabsSouth1.2.m_flow.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 2 : valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 3 : valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 4 : tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.7.port_b.p.$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 ; valNorth2.7.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ] = [ -tabsNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.1.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -tabsNorth2.7.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ] might be structurally or numerically singular for variable valNorth2.1.port_b.p.$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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.02753/5.208, allocations: 25.69 MB / 1.968 GB, free: 177.8 MB / 0.7293 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.1429/5.351, allocations: 62.8 MB / 2.029 GB, free: 169.4 MB / 0.7293 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01482/5.366, allocations: 3.183 MB / 2.032 GB, free: 168 MB / 0.7293 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007713/5.374, allocations: 183 kB / 2.033 GB, free: 168 MB / 0.7293 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02529/5.399, allocations: 2.24 MB / 2.035 GB, free: 165.9 MB / 0.7293 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005147/5.404, allocations: 1.1 MB / 2.036 GB, free: 164.8 MB / 0.7293 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003681/5.408, allocations: 0.7575 MB / 2.037 GB, free: 164.2 MB / 0.7293 GB Notification: Performance of sorting global known variables: time 0.01157/5.419, allocations: 6.582 MB / 2.043 GB, free: 158.8 MB / 0.7293 GB Notification: Performance of sort global known variables: time 2.91e-07/5.419, allocations: 0 / 2.043 GB, free: 158.8 MB / 0.7293 GB Notification: Performance of remove unused functions: time 0.0667/5.486, allocations: 32.26 MB / 2.075 GB, free: 127.2 MB / 0.7293 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 42 ($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 (547): * Single equations (assignments): 524 * 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 {(35,149), (1,1), (62,185)} Notification: Performance of Backend phase and start with SimCode phase: time 0.004906/5.491, allocations: 0.6139 MB / 2.075 GB, free: 126.8 MB / 0.7293 GB Notification: Performance of simCode: created initialization part: time 0.05941/5.55, allocations: 32.5 MB / 2.107 GB, free: 97.2 MB / 0.7293 GB Notification: Performance of simCode: created event and clocks part: time 0.0003475/5.551, allocations: 183.8 kB / 2.107 GB, free: 97.01 MB / 0.7293 GB Notification: Performance of simCode: created simulation system equations: time 0.02861/5.579, allocations: 15.4 MB / 2.122 GB, free: 82.04 MB / 0.7293 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.03827/5.617, allocations: 11.72 MB / 2.134 GB, free: 72.15 MB / 0.7293 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05253/5.67, allocations: 42.06 MB / 2.175 GB, free: 32.28 MB / 0.7293 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003552/5.674, allocations: 4.343 MB / 2.179 GB, free: 27.91 MB / 0.7293 GB Notification: Performance of simCode: alias equations: time 0.02063/5.694, allocations: 3.405 MB / 2.182 GB, free: 24.5 MB / 0.7293 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02158/5.716, allocations: 7.098 MB / 2.189 GB, free: 17.35 MB / 0.7293 GB Notification: Performance of SimCode: time 2.434e-06/5.716, allocations: 0 / 2.189 GB, free: 17.35 MB / 0.7293 GB Notification: Performance of Templates: time 1.601/7.316, allocations: 0.7768 GB / 2.966 GB, free: 28.41 MB / 0.7449 GB " [Timeout remaining time 653] make -j1 -f IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.makefile [Timeout 660] (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 & ./IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Examples.FlowSystem.Basic.pipe 2>&1) [Timeout 240] [Calling os._exit(0), Time elapsed: 20.31129006203264]