Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Basic.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo", uses=false) Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Basic,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_Examples_FlowSystem_Basic",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.004699/0.004699, allocations: 100.9 kB / 15.73 MB, free: 6.055 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001268/0.001268, allocations: 195.2 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.375/1.375, allocations: 222.9 MB / 240.4 MB, free: 15.08 MB / 206.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo): time 0.8905/0.8905, allocations: 143.3 MB / 433.8 MB, free: 11.84 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001855/0.001855, allocations: 59.66 kB / 0.5953 GB, free: 12.64 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1419/0.1438, allocations: 82.04 MB / 0.6754 GB, free: 10.65 MB / 0.5137 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Basic): time 0.6945/0.8383, allocations: 358.1 MB / 1.025 GB, free: 7.598 MB / 0.795 GB Notification: Performance of NFInst.instExpressions: time 0.5062/1.345, allocations: 76.13 MB / 1.1 GB, free: 40.54 MB / 0.8262 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01596/1.361, allocations: 438.8 kB / 1.1 GB, free: 40.53 MB / 0.8262 GB Notification: Performance of NFTyping.typeComponents: time 0.01767/1.378, allocations: 6.475 MB / 1.106 GB, free: 40.43 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.03583/1.414, allocations: 14.14 MB / 1.12 GB, free: 39.86 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.02272/1.437, allocations: 10.18 MB / 1.13 GB, free: 39.57 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.08482/1.522, allocations: 74.62 MB / 1.203 GB, free: 13.84 MB / 0.8262 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02588/1.548, allocations: 20.11 MB / 1.223 GB, free: 10.34 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03649/1.584, allocations: 17.19 MB / 1.239 GB, free: 10.1 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.03104/1.615, allocations: 16.56 MB / 1.255 GB, free: 10.71 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.008266/1.623, allocations: 1.996 MB / 1.257 GB, free: 8.719 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02268/1.646, allocations: 6.079 MB / 1.263 GB, free: 2.91 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.01146/1.658, allocations: 6.581 MB / 1.27 GB, free: 12.57 MB / 0.8887 GB Notification: Performance of NFVerifyModel.verify: time 0.02434/1.682, allocations: 11.37 MB / 1.281 GB, free: 1.391 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.05258/1.735, allocations: 33.22 MB / 1.313 GB, free: 1.258 MB / 0.92 GB Notification: Performance of FrontEnd - DAE generated: time 6.603e-06/1.735, allocations: 0 / 1.313 GB, free: 1.258 MB / 0.92 GB Notification: Performance of FrontEnd: time 1.463e-06/1.735, allocations: 4 kB / 1.313 GB, free: 1.254 MB / 0.92 GB Notification: Performance of Transformations before backend: time 0.0009033/1.736, allocations: 0 / 1.313 GB, free: 1.254 MB / 0.92 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2045 * Number of variables: 2045 Notification: Performance of Generate backend data structure: time 0.0737/1.809, allocations: 24.88 MB / 1.338 GB, free: 8.496 MB / 0.9512 GB Notification: Performance of prepare preOptimizeDAE: time 4.898e-05/1.809, allocations: 12.02 kB / 1.338 GB, free: 8.484 MB / 0.9512 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.004851/1.814, allocations: 1.048 MB / 1.339 GB, free: 7.434 MB / 0.9512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01817/1.832, allocations: 3.317 MB / 1.342 GB, free: 4.102 MB / 0.9512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.04854/1.881, allocations: 23.29 MB / 1.365 GB, free: 13.13 MB / 0.9825 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007708/1.882, allocations: 0.6819 MB / 1.365 GB, free: 12.46 MB / 0.9825 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.004256/1.886, allocations: 0.9567 MB / 1.366 GB, free: 11.51 MB / 0.9825 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0397/1.926, allocations: 17.24 MB / 1.383 GB, free: 10.07 MB / 0.9981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002678/1.926, allocations: 7.938 kB / 1.383 GB, free: 10.07 MB / 0.9981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003175/1.929, allocations: 334 kB / 1.383 GB, free: 9.746 MB / 0.9981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004158/1.93, allocations: 375.3 kB / 1.384 GB, free: 9.379 MB / 0.9981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0434/1.973, allocations: 21.63 MB / 1.405 GB, free: 3.738 MB / 1.014 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.7068/2.68, allocations: 83.04 MB / 1.486 GB, free: 459.5 MB / 1.045 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02057/2.701, allocations: 13.6 MB / 1.499 GB, free: 452 MB / 1.045 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01425/2.715, allocations: 10.28 MB / 1.509 GB, free: 446.2 MB / 1.045 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 0.06629/2.781, allocations: 36.51 MB / 1.545 GB, free: 420.2 MB / 1.045 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0173/2.799, allocations: 10.48 MB / 1.555 GB, free: 409.7 MB / 1.045 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.01965/2.818, allocations: 5.839 MB / 1.561 GB, free: 404.7 MB / 1.045 GB Notification: Performance of pre-optimization done (n=612): time 3.666e-05/2.818, allocations: 0 / 1.561 GB, free: 404.7 MB / 1.045 GB Notification: Performance of matching and sorting (n=928): time 0.9849/3.803, allocations: 249.7 MB / 1.805 GB, free: 156 MB / 1.045 GB Warning: The linear system: 1 : valNorth2[7].dp = valNorth2[2].port_a.p - valNorth2[7].port_b.p 2 : valNorth2[5].dp = valNorth2[2].port_a.p - valNorth2[5].port_b.p 3 : tabsNorth2[5].dp = valNorth2[5].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[5].port_b.p ; valNorth2[2].port_a.p ] = [ -valNorth2[7].dp ; -valNorth2[5].dp ; -tabsNorth2[5].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[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 = valNorth2[2].port_a.p - valNorth2[7].port_b.p 2 : tabsNorth2[7].dp = valNorth2[7].port_b.p - tabsSouth1[1].port_b.p 3 : tabsNorth2[5].dp = valNorth2[5].port_b.p - tabsSouth1[1].port_b.p 4 : valNorth2[5].dp = valNorth2[2].port_a.p - valNorth2[5].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[2].port_a.p ; valNorth2[5].port_b.p ; tabsSouth1[1].port_b.p ; valNorth2[7].port_b.p ] = [ -valNorth2[7].dp ; -tabsNorth2[7].dp ; -tabsNorth2[5].dp ; -valNorth2[5].dp ] might be structurally or numerically singular for variable valNorth2[7].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 : 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[1].m_flow ; tabsSouth1[2].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[2].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 : tabsNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.5.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 4 : valNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.5.port_b.p.$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.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.5.port_b.p.$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 ; -tabsNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -valNorth2.5.dp.$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.$pDERStateSetJac0.dummyVarStateSetJac0 = 0.0 [ -1.0 , -1.0 ; 1.0 , 1.0 ] * [ tabsSouth1.1.m_flow.$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. Warning: The linear system: 1 : valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 2 : valNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 - valNorth2.5.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 3 : tabsNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.5.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 4 : tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 = valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 - tabsSouth1.1.port_b.p.$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 ] * [ valNorth2.7.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; tabsSouth1.1.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.5.port_b.p.$pDERStateSetJac0.dummyVarStateSetJac0 ; valNorth2.2.port_a.p.$pDERStateSetJac0.dummyVarStateSetJac0 ] = [ -valNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -valNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -tabsNorth2.5.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ; -tabsNorth2.7.dp.$pDERStateSetJac0.dummyVarStateSetJac0 ] might be structurally or numerically singular for variable valNorth2.2.port_a.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 0.1211/3.924, allocations: 59.35 MB / 1.863 GB, free: 95.12 MB / 1.045 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.03176/3.956, allocations: 20.57 MB / 1.883 GB, free: 74.74 MB / 1.045 GB Notification: Performance of collectPreVariables (initialization): time 0.003914/3.96, allocations: 237.7 kB / 1.883 GB, free: 74.5 MB / 1.045 GB Notification: Performance of collectInitialEqns (initialization): time 0.007634/3.968, allocations: 7.811 MB / 1.891 GB, free: 67.12 MB / 1.045 GB Notification: Performance of collectInitialBindings (initialization): time 0.01071/3.978, allocations: 3.511 MB / 1.894 GB, free: 64.1 MB / 1.045 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.01588/3.994, allocations: 4.598 MB / 1.899 GB, free: 59.48 MB / 1.045 GB Notification: Performance of setup shared object (initialization): time 3.604e-05/3.994, allocations: 305.1 kB / 1.899 GB, free: 59.18 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.03444/4.029, allocations: 25.89 MB / 1.924 GB, free: 33.27 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.03731/4.066, allocations: 28.8 MB / 1.952 GB, free: 3.426 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.711/4.777, allocations: 47.24 MB / 1.998 GB, free: 432.4 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.117e-05/4.777, allocations: 14.19 kB / 1.998 GB, free: 432.4 MB / 1.045 GB Notification: Performance of matching and sorting (n=1676) (initialization): time 0.6371/5.415, allocations: 148.2 MB / 2.143 GB, free: 324.8 MB / 1.045 GB Notification: Performance of prepare postOptimizeDAE: time 9.526e-05/5.415, allocations: 53.69 kB / 2.143 GB, free: 324.7 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.363e-05/5.415, allocations: 44 kB / 2.143 GB, free: 324.7 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6079/6.023, allocations: 125.5 MB / 2.266 GB, free: 199.6 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01884/6.042, allocations: 3.606 MB / 2.269 GB, free: 196 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1419/6.183, allocations: 86.89 MB / 2.354 GB, free: 109 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2151/6.399, allocations: 10.6 MB / 2.365 GB, free: 98.44 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006174/6.405, allocations: 1.664 MB / 2.366 GB, free: 96.77 MB / 1.045 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.03971/6.445, allocations: 29.24 MB / 2.395 GB, free: 67.51 MB / 1.045 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.03305/6.478, allocations: 28.18 MB / 2.422 GB, free: 38.29 MB / 1.045 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.4074/6.885, allocations: 45.99 MB / 2.467 GB, free: 423.7 MB / 1.045 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.176e-05/6.885, allocations: 12.41 kB / 2.467 GB, free: 423.7 MB / 1.045 GB Notification: Performance of matching and sorting (n=1676) (initialization_lambda0): time 0.6279/7.513, allocations: 146 MB / 2.61 GB, free: 333.9 MB / 1.045 GB Notification: Performance of prepare postOptimizeDAE: time 6.015e-05/7.513, allocations: 57.7 kB / 2.61 GB, free: 333.9 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.257e-05/7.513, allocations: 44 kB / 2.61 GB, free: 333.8 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6022/8.116, allocations: 124.2 MB / 2.731 GB, free: 210 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01741/8.133, allocations: 3.568 MB / 2.735 GB, free: 206.5 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1534/8.286, allocations: 93.9 MB / 2.826 GB, free: 112.8 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.2187/8.505, allocations: 10.65 MB / 2.837 GB, free: 102.2 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006111/8.511, allocations: 1.625 MB / 2.838 GB, free: 100.5 MB / 1.045 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 (1092): * Single equations (assignments): 1070 * 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 0.008221/8.52, allocations: 0.7832 MB / 2.839 GB, free: 99.76 MB / 1.045 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008117/8.528, allocations: 1.73 MB / 2.841 GB, free: 99.01 MB / 1.045 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2192/8.747, allocations: 70.64 MB / 2.91 GB, free: 28.64 MB / 1.045 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.5853/9.332, allocations: 84.9 MB / 2.993 GB, free: 399.9 MB / 1.045 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001992/9.332, allocations: 26.66 kB / 2.993 GB, free: 399.9 MB / 1.045 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.2258/9.558, allocations: 83.78 MB / 3.074 GB, free: 344 MB / 1.045 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3542/9.913, allocations: 215.2 MB / 3.285 GB, free: 129.2 MB / 1.045 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.69e-05/9.913, allocations: 0 / 3.285 GB, free: 129.2 MB / 1.045 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01283/9.925, allocations: 2.148 MB / 3.287 GB, free: 127.1 MB / 1.045 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.8989/10.82, allocations: 147.3 MB / 3.431 GB, free: 392.3 MB / 1.045 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.00387/10.83, allocations: 0.8234 MB / 3.431 GB, free: 392.3 MB / 1.045 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.1264/10.95, allocations: 74.52 MB / 3.504 GB, free: 373.3 MB / 1.045 GB Warning: The linear system: 1 : tabsNorth2[3].dp = valNorth2[3].port_b.p - tabsSouth1[1].port_b.p 2 : tabsNorth2[8].dp = valNorth2[8].port_b.p - tabsSouth1[1].port_b.p 3 : valNorth2[8].dp = valNorth2[2].port_a.p - valNorth2[8].port_b.p 4 : valNorth2[3].dp = valNorth2[2].port_a.p - valNorth2[3].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[3].port_b.p ; valNorth2[2].port_a.p ; valNorth2[8].port_b.p ; tabsSouth1[1].port_b.p ] = [ -tabsNorth2[3].dp ; -tabsNorth2[8].dp ; -valNorth2[8].dp ; -valNorth2[3].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 : tabsNorth2[8].dp = valNorth2[8].port_b.p - tabsSouth1[1].port_b.p 2 : valNorth2[8].dp = valNorth2[2].port_a.p - valNorth2[8].port_b.p 3 : valNorth2[3].dp = valNorth2[2].port_a.p - valNorth2[3].port_b.p 4 : tabsNorth2[3].dp = valNorth2[3].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 ] * [ tabsSouth1[1].port_b.p ; valNorth2[3].port_b.p ; valNorth2[2].port_a.p ; valNorth2[8].port_b.p ] = [ -tabsNorth2[8].dp ; -valNorth2[8].dp ; -valNorth2[3].dp ; -tabsNorth2[3].dp ] might be structurally or numerically singular for variable valNorth2[8].port_b.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 + $cse422 + (-valNorth.res3.m_flow) - spl1.res1.m_flow - valSouth.res3.m_flow ; pipSouth1.m_flow + (-tabsSouth1[3].m_flow) - tabsSouth1[4].m_flow ] might be structurally or numerically singular for variable tabsSouth1[2].m_flow since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsNorth2.3.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.3.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 2 : valNorth2.3.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.3.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 3 : valNorth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 4 : tabsNorth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.8.port_b.p.$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 ; valNorth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.3.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ] = [ -tabsNorth2.3.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.3.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -tabsNorth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ] might be structurally or numerically singular for variable valNorth2.3.port_b.p.$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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : tabsNorth2.3.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.3.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 2 : tabsNorth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 - tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 3 : valNorth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 4 : valNorth2.3.dp.$pDERStateSetJac29.dummyVarStateSetJac29 = valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 - valNorth2.3.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ valNorth2.3.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.2.port_a.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; valNorth2.8.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ; tabsSouth1.1.port_b.p.$pDERStateSetJac29.dummyVarStateSetJac29 ] = [ -tabsNorth2.3.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -tabsNorth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.8.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ; -valNorth2.3.dp.$pDERStateSetJac29.dummyVarStateSetJac29 ] might be structurally or numerically singular for variable tabsSouth1.1.port_b.p.$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.$pDERStateSetJac29.dummyVarStateSetJac29 since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.09441/11.05, allocations: 56.69 MB / 3.559 GB, free: 325.6 MB / 1.045 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2934/11.34, allocations: 130.2 MB / 3.687 GB, free: 197 MB / 1.045 GB Notification: Performance of postOpt removeConstants (simulation): time 0.01769/11.36, allocations: 7.891 MB / 3.694 GB, free: 190 MB / 1.045 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.007338/11.37, allocations: 239.9 kB / 3.695 GB, free: 189.8 MB / 1.045 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.1141/11.48, allocations: 5.17 MB / 3.7 GB, free: 184.6 MB / 1.045 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.005378/11.49, allocations: 1.147 MB / 3.701 GB, free: 183.5 MB / 1.045 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.002706/11.49, allocations: 0.8884 MB / 3.702 GB, free: 182.6 MB / 1.045 GB Notification: Performance of sorting global known variables: time 0.02312/11.51, allocations: 14.36 MB / 3.716 GB, free: 168.3 MB / 1.045 GB Notification: Performance of sort global known variables: time 5.41e-07/11.51, allocations: 0 / 3.716 GB, free: 168.3 MB / 1.045 GB Notification: Performance of remove unused functions: time 0.1507/11.66, allocations: 86.82 MB / 3.8 GB, free: 81.66 MB / 1.045 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 74 ($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],$STATESET1.x[1],pmpSouth.vol.dynBal.U,pmpSouth.filter.s[1],pmpNorth.vol.dynBal.U,pmpNorth.filter.s[1],valSouth1[1].filter.s[1],valSouth1[2].filter.s[1],valSouth1[3].filter.s[1],valSouth1[4].filter.s[1],valSouth2[1].filter.s[1],valSouth2[2].filter.s[1],valSouth2[3].filter.s[1],valSouth2[4].filter.s[1],valSouth2[5].filter.s[1],valSouth2[6].filter.s[1],valSouth2[7].filter.s[1],valSouth2[8].filter.s[1],valNorth1[1].filter.s[1],valNorth1[2].filter.s[1],valNorth1[3].filter.s[1],valNorth1[4].filter.s[1],valNorth2[1].filter.s[1],valNorth2[2].filter.s[1],valNorth2[3].filter.s[1],valNorth2[4].filter.s[1],valNorth2[5].filter.s[1],valNorth2[6].filter.s[1],valNorth2[7].filter.s[1],valNorth2[8].filter.s[1],valSouth.vol.dynBal.U,valSouth.filter.s[1],valNorth.vol.dynBal.U,valNorth.filter.s[1],spl.vol.dynBal.U,spl1.vol.dynBal.U,pumpHea.vol.dynBal.U,pumpHea.filter.s[1],valHea.filter.s[1],valCoo.filter.s[1],spl2.vol.dynBal.U,spl3.vol.dynBal.U,pumpCoo.vol.dynBal.U,pumpCoo.filter.s[1]) * Number of discrete variables: 7 ($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 (607): * Single equations (assignments): 584 * 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), (63,215)} Notification: Performance of Backend phase and start with SimCode phase: time 0.6359/12.3, allocations: 131.2 MB / 3.928 GB, free: 398.1 MB / 1.045 GB Notification: Performance of simCode: created initialization part: time 0.154/12.45, allocations: 101.9 MB / 4.028 GB, free: 344.4 MB / 1.045 GB Notification: Performance of simCode: created event and clocks part: time 1.015e-05/12.45, allocations: 3.438 kB / 4.028 GB, free: 344.4 MB / 1.045 GB Notification: Performance of simCode: created simulation system equations: time 0.07255/12.53, allocations: 35.99 MB / 4.063 GB, free: 309.1 MB / 1.045 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.07102/12.6, allocations: 8.188 MB / 4.071 GB, free: 301.5 MB / 1.045 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.937/14.53, allocations: 0.4922 GB / 4.563 GB, free: 269.9 MB / 1.045 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01472/14.55, allocations: 11.41 MB / 4.574 GB, free: 258.5 MB / 1.045 GB Notification: Performance of simCode: alias equations: time 0.03325/14.58, allocations: 8.958 MB / 4.583 GB, free: 249.7 MB / 1.045 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.02348/14.61, allocations: 12.1 MB / 4.595 GB, free: 237.6 MB / 1.045 GB Notification: Performance of SimCode: time 7.22e-07/14.61, allocations: 6.734 kB / 4.595 GB, free: 237.6 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.034/16.64, allocations: 0.9534 GB / 5.548 GB, free: 178.8 MB / 1.045 GB Notification: Performance of buildModelFMU: Generate platform static: time 133.5/150.2, allocations: 11.55 kB / 5.548 GB, free: 178.8 MB / 1.045 GB (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Basic.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Basic.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Basic.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Basic.sim & python3 -m fmpy simulate --output-file BuildSysPro_BuildSysPro.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 BuildSysPro_BuildSysPro_IBPSA_Fluid_Examples_FlowSystem_Basic.fmu > BuildSysPro_BuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Basic.pipe 2>&1)